UK Implant

MEP Works

Technical Specification

REV 1 October 2023

 UK Implant

Table of Contents

Reference Division 13
13851 Fire Alarm.
Reference Division 15
15050 Basic mechanical materials and methods.
15060 Hangers and supports.
15071 Mechanical vibration controls and seismic restraints.
15075 Mechanical identification.
15081 Duct Insulation.
15671 Condensing Units.
15726 Hygienic Central Station Air Handling Units.
15736 Axial Fans.
15737 Centrifugal Fans.
15738 Split Room Air Conditioners.
15815 Metal ducts.
15820 Duct accessories.
15855 Diffusers, Registers and Grilles.
15890 Air Duct Cleaning.
15990 Testing, adjusting and balancing.
Reference Division 16
16050 Basic electrical materials and methods.
16120 Conductors and cables.
16130 Raceways and boxes.
16139 Cable Tray
16140 Wiring devices.
16242 Static uninterrupted power supply.
16442 Panel boards.
16482 Motor control centers.
16511 Interior lighting.
16543 Underground Ducts and Raceways
16721 Telephone equipment.
16850 Television equipment.
16988 IP Access Control
16988 Structural cabling.

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SECTION 13851 - FIRE ALARM

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes fire alarm systems with manual stations, detectors, signal equipment, controls, and
devices.

1.3 DEFINITIONS

A. FCC: Fire command center.

B. MFAC: Main fire alarm control panel.

C. SFAC: Satellite fire alarm panel (referred to by some manufacturers as data gathering panel or
transponder).

D. LED: Light-emitting diode.

1.4 SYSTEM DESCRIPTION

A. General: Non-coded, UL Listed/FM approved, addressable system, with multiplexed signal transmission,
dedicated to fire-alarm service only.

B. Non-coded addressable system, with automatic sensitivity control of certain smoke detectors and
multiplexed signal transmission, dedicated to fire-alarm service only.

C. Scope of Work: Provide the following:

1. Fire-alarm control unit.

2. Manual fire-alarm boxes.
3. System smoke detectors.
4. Nonsystem smoke detectors.
5. Heat detectors.
6. Notification appliances.
7. Remote annunciator.
8. Addressable interface device.
9. Digital alarm communicator transmitter.
10. Radio alarm transmitter.
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11. System printer.

1.5 SUBMITTALS

A. Product Data: For each type of product indicated.

1. Detectors characteristic curves of coverage area against ceiling height and air movement speed.
2. Personal computer including dual processor type and speed, auxiliaries, software-package, printer
and the like.

B. Shop Drawings: Include dimensioned plans and elevation views of components. Show access and
workspace requirements. Include at least the following:

1. Detailed floor layouts showing all outlets with label reference and exact routing of cabling and
wireways.
2. Detailed system schematic diagram. Differentiate between manufacturer-installed and field-
installed wiring. Include diagrams for equipment and for system with all terminals and
interconnections identified.
3. Detailed equipment layout in rooms and closets including elevations and typical installation
details.
4. Show details of graphic annunciator.
5. Battery: Sizing calculations.
6. Device Address List: Coordinate with final system programming and labeling.
7. System Operation Description: Detailed description for this Project, including method of
operation and supervision of each type of circuit and sequence of operations for manually and
automatically initiated system inputs and outputs. Manufacturer's standard descriptions for
generic systems are not acceptable.
8. Cause and Effect Matrix: Show in a matrix format, the effect of every initiating device on the
MFAC, notification devices and all system peripherals.

C. Coordination Drawings: Plans, sections, and elevations drawn to scale and coordinating installation of
smoke detectors in ducts and access to them. Show the following near each duct smoke provision of
detector installation:

1. Size and location of ducts, including lining.

2. Size and location of piping.
3. Size and arrangement of structural elements.
4. Size and location of duct smoke detector, including air-sampling elements.

D. Qualification Data: For firms and persons specified in "Quality Assurance" Article to demonstrate their
capabilities and experience. Include lists of completed projects with project names and addresses, names
and addresses of architects/engineers and owners, and other information specified or required by
Engineer.

E. Operating Instructions: For mounting at the [MFAC].

F. Product Certificates: Signed by manufacturers of system components certifying that products furnished
comply with requirements.

G. Installer Certificates: Signed by manufacturer certifying that installers comply with requirements.
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H. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.

I. Maintenance Data: For fire alarm systems to include in maintenance manuals specified in Division 1.

J. Submissions to Authorities Having Jurisdiction: In addition to distribution requirements for Submittals

specified in Division 1 Section "Submittal Procedures," make an identical submission to authorities
having jurisdiction. Include copies of annotated Contract Drawings as needed to depict component
locations to facilitate review. Resubmit if required to make clarifications or revisions to obtain approval.
On receipt of comments from authorities having jurisdiction, submit them to Engineer for review.

K. Sound Levels: Measure and submit audible sound levels. Verify that 15 decibels (dB) above ambient
noise levels or 5 dB above the maximum sound level that occurs at the location for 60 seconds or more,
but not greater than 120 dB, are achieved.

L. Test Results and Certificate of Completion: Comply with specified Standard.

1.6 QUALITY ASSURANCE

A. Installer Qualifications: An experienced installer who is an authorized representative of the fire alarm
system manufacturer for both installation and maintenance of units required for this Project.

1. Experience: Minimum 5 years.

2. Demonstrate that installer has satisfactorily completed at least two system installations similar in
design and extent to that indicated for this Project, and with a record of successful in-service
performance.

B. Manufacturer Qualifications: A firm experienced in manufacturing systems similar to those indicated for
this Project and with a record of successful in-service performance.

C. Source Limitations: Obtain fire alarm system components through one source from a single
manufacturer.

D. Compliance with Local Requirements: Comply with applicable building code, local ordinances and
regulations, and requirements of authorities having jurisdiction.

E. Codes and Standards: Comply with the following:

1. NFPA 70, "National Electrical Code".

2. NFPA 72, "National Fire Alarm Code".
3. NFPA 101, "Code for Safety to Life from Fire in Buildings and Structures".
4. BS 5839-1, "Fire Detection and Alarm Systems for Buildings".
5.
6. EN 60849, Specification for Sound Systems for Emergency Purposes.
7. EN 54 Fire detection and fire alarm systems.
8. UL 864 9th Edition

1.7 EXTRA MATERIALS

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A. Furnish extra materials described below that match product installed and that are packaged with
protective covering for storage and identified with labels describing contents.

1. Lamps for Remote Indicating Lamp Units: Quantity equal to 2 percent of amount installed, but
not less than one unit.
2. Lamps for Strobe Units: Quantity equal to 2 percent of amount installed, but not less than one
unit.
3. Smoke Detectors, Fire Detectors, and Flame Detectors: Quantity equal to 2 percent of amount of
each type installed, but not less than one unit of each type.
4. Detector Bases: Quantity equal to 1 percent of amount of each type installed, but not less than one
unit of each type.
5. Printer Ribbons: Six spares.
6. Keys and Tools: One extra set for access to locked and tamper-proofed components.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 SYSTEMS OPERATIONAL DESCRIPTION

A. Fire-alarm signal initiation shall be by one or more of the following devices and systems:

1. Manual stations.
2. Heat detectors.
3. Flame detectors.
4. Smoke detectors.
5. Duct smoke detectors.
6. Verified automatic alarm operation of smoke detectors.
7. Automatic sprinkler system water flow.
8. Fire-extinguishing system operation.
9. Fire standpipe system.

B. Fire-alarm signal shall initiate the following actions:

1. Continuously operate alarm notification appliances.

2. Identify alarm at fire-alarm control unit and remote annunciators.
3. Transmit an alarm signal to the remote alarm receiving station.
4. Unlock electric door locks in designated egress paths.
5. Release fire and smoke doors held open by magnetic door holders.
6. Activate voice/alarm communication system.
7. Switch heating, ventilating, and air-conditioning equipment controls to fire-alarm mode.
8. Close smoke dampers in air ducts of designated air-conditioning duct systems.
9. Activate emergency lighting control.
10. Activate emergency shutoffs for gas and fuel supplies.
11. Record events in the system memory.
12. Record events by the system printer.
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C. Supervisory signal initiation shall be by one or more of the following devices and actions:

1. Valve supervisory switch.

D. System trouble signal initiation shall be by one or more of the following devices and actions:

1. Open circuits, shorts, and grounds in designated circuits.

2. Opening, tampering with, or removing alarm-initiating and supervisory signal-initiating devices.
3. Loss of primary power at fire-alarm control unit.
4. Ground or a single break in fire-alarm control unit internal circuits.
5. Abnormal ac voltage at fire-alarm control unit.
6. Break in standby battery circuitry.
7. Failure of battery charging.
8. Abnormal position of any switch at fire-alarm control unit or annunciator.
9. Fire-pump power failure, including a dead-phase or phase-reversal condition.

E. System Trouble and Supervisory Signal Actions: Initiate notification appliance and annunciate at fire-
alarm control unit and remote annunciators. Record the event on system printer.

2.3 FUNCTIONAL DESCRIPTION OF SYSTEM

A. Control of System: By the [MFAC] [MFAC/SFAC].

B. System Supervision: Automatically detect and report open circuit, short circuit, and ground fault of
wiring for initiating device, signaling line, and notification-appliance circuits.

C. Priority of Signals: Automatic alarm response functions resulting from an alarm signal from one zone or
device are not altered by subsequent alarm, supervisory, or trouble signals. An alarm signal is the highest
priority. Supervisory and trouble signals have second- and third-level priority. Higher-priority signals
take precedence over signals of lower priority, even when the lower-priority condition occurs first.
Annunciate and display all alarm, supervisory, and trouble signals regardless of priority or order received.

D. Noninterference: A signal on one zone shall not prevent the receipt of signals from other zones.

E. System Reset: All zones are manually re-settable from the [MFAC] [MFAC/SFAC] after initiating
devices are restored to normal.

F. Transmission to Remote Alarm Receiving Station: Automatically route alarm, supervisory, and trouble
signals to a remote alarm station by means of a digital alarm communicator transmitter and telephone
lines.

G. Transmission to Remote Alarm Receiving Station: Automatically route alarm, supervisory, and trouble
signals to a remote alarm receiving station by means of a radio alarm transmitter.

H. System Alarm Capability during Circuit Fault Conditions: System wiring and circuit arrangement
prevent alarm capability reduction when a single ground occurs in an initiating device circuit, signal line
circuit, or notification-appliance circuit.

1. Initiating Device Circuits (IDC) System Wiring: Class B, Style C.

2. Signaling Line Circuits (SLC) System Wiring: Class B, Style 4.
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3. Notification Appliance Circuits (NAC): Class B, Style Y.

I. System Alarm Capability during Circuit Fault Conditions: System wiring and circuit arrangement
prevent alarm capability reduction when a single ground or open circuit occurs in an initiating device
circuit, signal line circuit, or notification-appliance circuit.

1. Initiating Device Circuits (IDC) System Wiring: Class A, Style D.

2. Signaling Line Circuits (SLC) System Wiring: Class A, Style 6.
3. Notification Appliance Circuits (NAC): Class A, Style Z.

J. System Alarm Capability during Circuit Fault Conditions: System wiring and circuit arrangement
prevent alarm capability reduction when an open circuit, ground or wire-to-wire short occurs, or an open
circuit and a ground occur at the same time in an initiating device circuit, signal line circuit, or
notification-appliance circuit.

1. Initiating Device Circuits (IDC) System Wiring: Class A, Style D or E.

2. Signaling Line Circuits (SLC) System Wiring: Class A, Style 7.
3. Notification Appliance Circuits (NAC): Class A, Style Z.

K. Loss of primary power at the [MFAC] [MFAC/SFAC] initiates a trouble signal at the [MFAC]
[MFAC/SFAC]. The [MFAC] [MFAC/SFAC] indicates when the fire alarm system is operating on the
secondary power supply.

L. Loss of primary power at the [MFAC] [MFAC/SFAC] initiates a trouble signal at the [MFAC]
[MFAC/SFAC] and the annunciator. An emergency power light is illuminated at both locations when
the system is operating on the secondary power supply.

M. Basic Alarm Performance Requirements: Unless otherwise indicated, operation of a manual station,
automatic alarm operation of a smoke or flame or heat detector[, or operation of a sprinkler flow
device] initiates the following:

1. Activation of presignal at [MFAC] [MFAC/SFAC].

a. Local alarm in the control unit for the period of a programmable time T1.
b. During this delay time (T1), an internal (staff) alarm (stage 1) only is to be given. If the
alarm is not acknowledged before timer T1 runs out, this is to result in notification-
appliance operation (stage 2) as detailed in subparagraph 2.2M.2 below.
c. If the alarm is acknowledged while T1 is still running, T1 is to be reset and a
programmable timer T2 is to be started. T2 is to delay the notification-appliance operation
(stage2) further, and so provide time for human investigation of the alarm cause.
d. If no reset action takes place before T2 runs out, notification-appliance operation (stage 2)
is to be given.

2. Notification-appliance operation.

a. Alarm signal in floor of incidence floors above and below; alert signal in remaining parts
of building.
b. Alarm throughout the building.
c. Activation of visual strobes.

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3. Identification at the [MFAC] [MFAC/SFAC] [and the remote annunciator(s)] of the zone
originating the alarm.
4. Identification at the [MFAC] [MFAC/SFAC] [and the remote annunciator(s)] of the device
originating the alarm.
5. Transmission of an alarm signal to the remote alarm receiving station.
6. Unlocking of electric door locks in designated egress paths.
7. Release of fire and smoke doors held open by magnetic door holders.
8. Recall of elevators.
9. Shut off public address and music equipment.
10. Shutdown of fans and other air-handling equipment serving zone when alarm was initiated.
11. Closing of smoke dampers in air ducts of system serving zone where alarm was initiated.
12. Recording of the event in the system memory.
13. Recording of the event by the system printer.

N. Alarm Silencing, System Reset and Indication: Controlled by switches in the [MFAC] [MFAC/SFAC]
[and the remote annunciator(s)].

1. Silencing-switch operation halts alarm operation of notification appliances and activate an "alarm
silence" light. Display of identity of the alarm zone or device is retained.
2. Subsequent alarm signals, from other devices or zones, shall reactivate notification appliances,
until silencing switch is operated again.
3. When alarm-initiating devices return to normal and system reset switch is operated, notification
appliances operate again until alarm silence switch is reset.

O. Water-flow alarm switch operation initiates the following:

1. Notification-appliance operation.
2. Flashing of the device location indicating light for the device that has operated.

P. Operating a heat detector in the elevator shaft shuts down elevator power by operating a shunt trip in a
circuit breaker feeding the elevator.

Q. Water-flow alarm for connection to sprinkler in an elevator shaft and elevator machine room shuts down
elevators associated with the location without time delay.

1. A field-mounted relay actuated by the fire detector or the [MFAC] [MFAC/SFAC] closes the
shunt trip circuit and operates building notification appliances and annunciator.

R. Smoke detection for zones or detectors with alarm verification initiates the following:

1. Audible and visible indication of an "alarm verification" signal at the [MFAC] [MFAC/SFAC] .
2. Activation of a listed and approved "alarm verification" sequence at the [MFAC] [MFAC/SFAC]
and the detector.
3. Recording of the event by the system printer.
4. General alarm if the alarm is verified.
5. Cancellation of the [MFAC] [MFAC/SFAC] indication and system reset if the alarm is not
verified.

S. Sprinkler valve-tamper switch operation initiates the following:

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1. A supervisory, audible, and visible "valve-tamper" signal indication at the [MFAC]

[MFAC/SFAC] and the annunciator.
2. Flashing of the device location-indicating light for the device that has operated.
3. Recording of the event by the system printer.
4. Transmission of supervisory signal to remote alarm receiving station.

T. Fire-pump power failure, including a dead-phase or phase-reversal condition, initiates the following:

1. A supervisory, audible, and visible "fire-pump power failure" signal indication at the [MFAC]
[MFAC/SFAC] and the annunciator.
2. Recording of the event by the system printer.
3. Transmission of trouble signal to remote alarm receiving station.

U. Low-air-pressure switch operation on a dry-pipe or preaction sprinkler system initiates the following:

1. A supervisory, audible, and visible "sprinkler trouble" signal indication at the [MFAC]
[MFAC/SFAC] and the annunciator.
2. Flashing of the device location indicating light for the device that has operated.
3. Recording of the event by the system printer.
4. Transmission of trouble signal to remote central station.

V. Remote Detector Sensitivity Adjustment: Manipulation of controls at the [MFAC] [MFAC/SFAC]

causes the selection of specific addressable smoke detectors for adjustment, display of their current status
and sensitivity settings, and control of changes in those settings. Same controls can be used to program
repetitive, scheduled, automated changes in sensitivity of specific detectors. Sensitivity adjustments and
sensitivity-adjustment schedule changes are recorded in system memory and are printed out by the system
printer.

W. Removal of an alarm-initiating device or a notification appliance initiates the following:

1. A "trouble" signal indication at the [MFAC] [MFAC/SFAC] and the annunciator for the device
or zone involved.
2. Recording of the event by the system printer.
3. Transmission of trouble signal to remote alarm receiving station.

X. Printout of Events: On receipt of the signal, print alarm, supervisory, and trouble events. Identify zone,
device, and function. Include type of signal (alarm, supervisory, or trouble), and date and time of
occurrence. Differentiate alarm signals from all other printed indications. Also print system-reset event,
including the same information for device, location, date, and time. Commands initiate the printout of a
list of existing alarm, supervisory, and trouble conditions in the system and a historical log of events.

Y. [MFAC] [MFAC/SFAC] Alphanumeric Display: Plain-English-language descriptions of alarm,

supervisory, and trouble events; and addresses and locations of alarm-initiating or supervisory devices
originating the report. Display monitoring actions, system and component status, system commands,
programming information, and data from the system's historical memory.

2.4 FIRE-ALARM CONTROL UNIT

A. General Requirements for Fire-Alarm Control Unit:

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1. Field-programmable, microprocessor-based, modular, power-limited design with electronic

modules, complying with UL 864 and listed and labeled by an NRTL.

a. System software and programs shall be held in flash electrically erasable programmable
read-only memory (EEPROM), retaining the information through failure of primary and
secondary power supplies.
b. Include a real-time clock for time annotation of events on the event recorder and printer.

2. Addressable initiation devices that communicate device identity and status.

a. Smoke sensors shall additionally communicate sensitivity setting and allow for adjustment
of sensitivity at fire-alarm control unit.
b. Temperature sensors shall additionally test for and communicate the sensitivity range of the
device.

3. Addressable control circuits for operation of mechanical equipment.

B. Alphanumeric Display and System Controls: Arranged for interface between human operator at fire-
alarm control unit and addressable system components including annunciation and supervision. Display
alarm, supervisory, and component status messages and the programming and control menu.

1. Annunciator and Display: Liquid-crystal type, [1] [2] [3] line(s) of [40] [80] characters,
minimum.

C. Circuits:

1. Initiating Device, Notification Appliance, and Signaling Line Circuits: NFPA 72, Class A.

a. Initiating Device Circuits: Style E.

b. Notification Appliance Circuits: Style Z.
c. Signaling Line Circuits: Style 2
d. Install no more than 100 addressable devices on each signaling line circuit.

D. Smoke-Alarm Verification:

1. Initiate audible and visible indication of an "alarm-verification" signal at fire-alarm control unit.
2. Activate an NRTL-listed and -approved "alarm-verification" sequence at fire-alarm control unit
and detector.
3. Record events by the system printer.
4. Sound general alarm if the alarm is verified.
5. Cancel fire-alarm control unit indication and system reset if the alarm is not verified.

E. Notification Appliance Circuit: Operation shall sound in a 300 seconds.

F. Remote Smoke-Detector Sensitivity Adjustment: Controls shall select specific addressable smoke
detectors for adjustment, display their current status and sensitivity settings, and change those settings.
Allow controls to be used to program repetitive, time-scheduled, and automated changes in sensitivity of
specific detector groups. Record sensitivity adjustments and sensitivity-adjustment schedule changes in
system memory, and print out the final adjusted values on system printer.

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G. Transmission to Remote Alarm Receiving Station: Automatically transmit alarm, supervisory, and
trouble signals to a remote alarm station.

H. Voice/Alarm Signaling Service: Central emergency communication system with redundant microphones,
preamplifiers, amplifiers, and tone generators provided in a separate cabinet located in the fire command
center.

1. Indicated number of alarm channels for automatic, simultaneous transmission of different

announcements to different zones or for manual transmission of announcements by use of the
central-control microphone. Amplifiers shall comply with UL 1711 and be listed by an NRTL.

a. Allow the application of and evacuation signal to indicated number of zones and, at same
time, allow voice paging to the other zones selectively or in any combination.
b. Programmable tone and message sequence selection.
c. Standard digitally recorded messages for "Evacuation" and "All Clear."
d. Generate tones to be sequenced with audio messages of type recommended by NFPA 72
and that are compatible with tone patterns of notification appliance circuits of fire-alarm
control unit.

2. Status Annunciator: Indicate the status of various voice/alarm speaker zones and the status of
firefighters' two-way telephone communication zones.
3. Preamplifiers, amplifiers, and tone generators shall automatically transfer to backup units, on
primary equipment failure.

I. Printout of Events: On receipt of signal, print alarm, supervisory, and trouble events. Identify zone,
device, and function. Include type of signal (alarm, supervisory, or trouble) and date and time of
occurrence. Differentiate alarm signals from all other printed indications. Also print system reset event,
including same information for device, location, date, and time. Commands initiate the printing of a list
of existing alarm, supervisory, and trouble conditions in the system and a historical log of events.

J. Primary Power: 24-V dc obtained from 120-V ac service and a power-supply module. Initiating devices,
notification appliances, signaling lines, trouble signals, [supervisory signals] [supervisory and digital
alarm communicator transmitters] [and] [digital alarm radio transmitters] shall be powered by 24-V dc
source.

1. Alarm current draw of entire fire-alarm system shall not exceed 80 percent of the power-supply
module rating.

K. Secondary Power: 24-V dc supply system with batteries, automatic battery charger, and automatic
transfer switch.

1. Batteries: Sealed lead calcium.

L. Instructions: Computer printout or typewritten instruction card mounted behind a plastic or glass cover in
a stainless-steel or aluminum frame. Include interpretation and describe appropriate response for displays
and signals. Briefly describe the functional operation of the system under normal, alarm, and trouble
conditions.

2.5 CAUSE AND EFFECT MATRIX

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A. The MFACP and ICU’s immediately performs life safety control-by-event functions upon system alarm
condition:
1. Remote annunciators are activated in each ________ and mechanical equipment room, drawing
attention to the alarm condition.
2. All Buildings (unless otherwise specified): Private and public mode audible alarm notification
appliances within the building in which the alarm condition is initiated sounds a continuous alarm
signal throughout the building.
3. Specific Buildings: Audible alarm notification appliances within the building in which the alarm
condition is initiated do not automatically sound upon receipt of an alarm condition thru actuation
of an automatic initiating device. A buzzer sounds and visible indicators illuminate in each remote
annunciator in the building in which the alarm condition is initiated. Visible indicator labels state
“Fire-Automatic Devices”. A switch at the remote annunciator allows silencing the buzzer, but
visual indicators remain illuminated until the system is reset.
a. Each remote annunciator contains the indicators listed above for all floors in the building.
b. All private and public mode audible alarm notification appliances (all bells throughout the
building) are controlled by selector switches located in a separate surface mounted
enclosure (RA/CC) adjacent to the MFACP. A selector switch (on, off) for each zone
controls the bells in that zone. In the “Off” position the notification appliances within the
building or floor will not sound (no trouble indication for the notification appliances). In
the “On” position the notification appliances within the building or floor sound, and an
alarm condition is sent to the MFACP indicating actuation of a manual initiating device.
4. Private mode audible signals have a sound level of not less than 45 dBA at 10 Feet, nor more than
120 dBA at the minimum hearing distance from the audible appliance. Also, the audible signal
has a sound level at least 10 dBA above the average ambient sound level or 5 dBA above the
maximum sound level having a duration of at least 60 seconds, whichever is greater, measured 5
feet above the floor in the occupiable area.
a. Unless otherwise indicated, 45 dBA private mode audible signals sound in:
1) Security office.
2) Elevator cars.
3) Public restrooms.
4) Sleeping areas (if applicable).
5. Private mode audible signals in mechanical equipment rooms have a sound level of not less than
100 dBA at 10 feet, nor more than 120 dBA at the minimum hearing distance from the audible
appliance. Also, the audible signal has a sound level at least 10 dBA above the average ambient
sound level or 5 dBA above the maximum sound level having a duration of at least 60 seconds,
whichever is greater, measured 5 feet above the floor.
6. Public mode audible alarm signals have a sound level of not less than 75 dBA at 10 feet nor more
than 120 dBA at the minimum hearing distance from the audible appliance. Also, the audible
signal has a sound level at least 15 dBA above the average ambient sound level or 5 dBA above
the maximum sound level having a duration of at least 60 seconds (whichever is greater) measured
5 feet above the floor in each occupiable area.
7. The system allows an authorized person to:
a. Silence any alarm signal in progress through a silence command, but subsequent actuation
of initiating devices on other initiating device circuits or subsequent actuation of
addressable initiating devices on signaling line circuits causes the system to resound the
alarm.
1) Silencing of an audible alarm does not cancel any visible zone alarm indicators.
2) A silencing means that it is left in the “off” position when there is no alarm operates
an audible trouble signal until the means is restored to normal.
b. Activate the alarm notification appliances on selected floors, and all floors.
1) Visible indicators in the RA/CC at the MFACP indicate on/off status of the alarm
notification appliances.
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8. Alarm signal does not sound in stairwells or elevators.

9. Actuation of smoke detecting devices in stairwells, or elevator shafts do not sound the alarm
signal, but activates all other system alarm functions.
10. Public and private mode visible alarm notification appliances illuminate and flash a fire warning
signal.
a. All Buildings (unless otherwise specified): Visible notification appliances illuminate and
flash a fire warning signal within the building in which the alarm condition is initiated.
b. Housing Buildings and Medical Buildings: Visible notification appliances within the
building in which the alarm condition is initiated do not automatically illuminate and flash
a fire warning signal upon receipt of an alarm condition thru actuation of an automatic
initiating device.
1) Selector switch control for activation of the audible alarm notification appliances
also causes activation of the visible notification appliances so that they illuminate
and flash a fire warning signal within the activated audible alarm notification
zone(s).
c. Public mode visible signaling flash rate does not exceed 2 flashes per second, nor less than
one flash every second throughout the listed voltage range of the appliance.
1) The maximum pulse duration is 0.2 seconds with a maximum duty cycle of 40
percent. The pulse duration is defined as the time interval between initial and final
points of 10 percent of maximum signal.
2) The light source is clear or nominal white and does not exceed 1000 candela
(effective intensity).
d. All strobes are synchronized to flash simultaneously to reduce the probability of photo-
sensitive reactions.
e. Visible alarms continue to flash until the initiating devices are restored to normal condition
and the system is manually reset.
11. Electromagnetic door hold-open devices de-energize, allowing the associated smoke doors to
close.
12. Fire hose cabinet doors unlock.
13. Locked doors for re-entry from exit stairwells, exit doors, and emergency exits release their fail
safe door lock mechanisms so that associated doors may be opened.
14. Selected HVAC equipment (ventilating fans, air handling units, (_______) shut down.
a. Fire alarm zones are coordinated with the smoke control zones that they actuate.
1) Fire alarm zone(s) activated by fire alarm system automatic or manual initiating
devices (including sprinkler waterflow switch) causes HVAC equipment to shut
down (or perform other required program operation) within the alarmed fire alarm
zone(s) thru connection (network or other digital communication technique) to the
direct digital building control system.
b. Actuation of air duct smoke detecting devices used solely for HVAC system shutdown
does not sound the alarm signal but activates all other MFACP alarm functions.
c. Each air distribution system supply, return, and exhaust fan can be manually stopped by the
attendant at the MFACP during an emergency.
d. An emergency switch for each system ventilating an assembly space is located to enable
manual shut down of the system in case of fire or smoke. A sign located adjacent to the
switch states instructions for system shut down.
15. Smoke detectors listed for use in air distribution systems and located as indicated below,
automatically stop their respective fan(s) on detecting the presence of smoke:
a. Downstream of the air filters and ahead of any branch connections in air supply systems
having a capacity greater than 2000 ft.³/min.
b. At each story prior to the connection to a common return and prior to any recirculation or
fresh air inlet connection in air return systems having a capacity greater than 15, 000 ft.³
/min. and serving more than one story.
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16. Safety controls operate for every system using recirculated air and serving an area of public
assembly or more than one fire area, or more than one story of a building:
a. When the air in the system contains smoke of predetermined intensity or has an abnormal
rise in temperature, the fans causing normal circulation in such area stops and requires
manual reset at the fire alarm control panel.
17. Automatic devices for systems ventilating high hazard spaces stop the fans when the air in the
system contains smoke of a pre-determined quantity or has an abnormal rise in temperature.
Controls require manual reset.
18. Fire dampers and smoke dampers close.
a. Actuation of air duct smoke detecting devices used solely for the closing of dampers does
not sound the alarm signal but activates all other MFACP alarm functions.
b. Attendant at the MFACP may manually position the smoke dampers.
c. Smoke dampers, which isolate the air-handling system, close automatically when the
system is not in operation.
d. Smoke dampers installed in smoke barriers may remain open during fan shutdown
provided that their associated controlling damper actuators and smoke detecting devices
remain operational. Dampers close automatically when the fan system they are serving is
not in operation.
e. Dampers in HVAC systems serving computer areas and automatic fire and smoke dampers
installed where ducts pass through fire-resistant-rated construction operate upon activation
of smoke detecting devices and by operation of the computer room disconnecting means
for all electronic equipment, dedicated HVAC systems servicing the computer room, and
uninterruptible power supplies.
19. Non-motorized rolling fire shutters and fire doors close when the associated smoke detecting
devices are actuated. The fire alarm system initiates closure through the fire door’s emergency
releasing device control panel:
a. There is a ten second delay before door releases.
b. An audible and visible warning occurs during the time delay and during closing cycle that
the door is closing.
c. The releasing device control panel independently performs other safety and operational
functions associated with fire door closing during alarm condition.
20. Motorized rolling fire shutters and fire doors close when the associated smoke detecting devices
are actuated. The fire alarm system initiates closure through the fire door’s emergency releasing
device control panel:
a. For doors which require mechanical resetting after release:
1) There is a ten second delay before door releases.
2) An audible and visible warning occurs during the time delay and during closing
cycle that the door is closing.
3) Electric operator closes the door with motor power upon alarm, when power is
available to the motor operator.
4) When power is not available to the motor operator during alarm condition, the ten
second delay and warnings are initiated before door releases.
5) The releasing device control panel independently performs other safety and
operational functions associated with fire door closing during alarm condition.
b. For door which do not require mechanical setting:
1) Electric operator closes the door with motor power upon alarm, when power is
available to the motor operator.
2) When power is not available to the motor operator (alarm condition or no alarm
condition) the door closes by gravity as soon as power fails.
3) The releasing device control panel independently performs other safety and
operational functions associated with fire door closing during alarm condition.

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21. Heat and smoke roof vents open when the associated smoke detecting devices are actuated.
Visible indicators in the RA/CC’s illuminate, indicating which roof vents are open.
22. Elevator hoistway heat and smoke vents open when the associated smoke detecting devices are
actuated. Visible indicators in the RA/CC’s illuminate, indicating which vents are open.
23. Phase I automatic elevator recall for fire fighter’s service operates upon actuation of an elevator
lobby smoke detecting device (excluding the designated floor lobby smoke detecting device) or
actuation of an associated hoistway or machine room smoke detecting device. All elevators that
service that lobby return non-stop to the designated floor. (If the smoke detecting device at the
designated floor is activated, the elevators that serve that level return non-stop to the alternate
floor).
a. Each elevator lobby, hoistway and machine room smoke detecting device is capable of
initiating elevator recall when all other devices on the same initiating device circuit have
been manually or automatically placed in the alarm condition.
b. The elevator automatic (smoke detecting devices) and manual (two and three position key
switches) Phase I Emergency Recall Operation and the Phase II Emergency In-Car
Operation operate in accordance with the applicable ANSI/ASME A17.1 Rules 211.3 thru
211.8 and NFPA 72 3-9.3.
c. For each group of elevators, three separate elevator control circuits terminate at the
designated elevator controller within the group’s elevator machine room.
d. The smoke detecting devices actuate the three elevator control circuits as follows:
1) The smoke detecting devices located in the designated elevator recall lobby actuates
the first elevator control circuit. In addition, where the elevator is equipped with
front and rear doors, the smoke detecting devices in both lobbies at the designated
level actuate the first elevator control circuit.
a) The first control circuit prevents recalling the elevators and discharging
passengers to the designated floor when the designated floor is the fire
location, and to provide for an alternate recall location when the designated
floor is reporting a fire condition;
2) The smoke detecting devices in the remaining elevator lobbies actuate the second
elevator control circuit.
a) The second control circuit provides standard recall to the designated floor
when any other elevator lobby, machine room or hoistway smoke detecting
device is in alarm;
3) The smoke detecting devices in elevator hoistways and the elevator machine
room(s) actuate the third elevator control circuit. In addition, where the elevator
machine room is located at the designated level, that elevator machine room smoke
detecting device also actuates the first elevator control circuit.
a) The third control circuit is for the safety of the fire fighters who may be
using the elevators to bring equipment to staging areas. This circuit also
overrides the fire fighter’s key operation and brings the elevators to a safe
level of discharge prior to equipment shutdown due to fire in hoistway or
machine room. The circuit also sounds a warning in the elevator cab
notifying the fire fighters using the elevator to immediately move to a safe
floor and exit the elevators;
24. Each elevator lobby, hoistway, and machine room smoke detecting device, when actuated, initiates
a system alarm condition. The alarmed zone, or addressable device is visibly annunciated at the
MFACP and the ICU’s associated with the elevators.
a. Additionally, the hoistway and machine room smoke detecting devices visibly annunciate
at the MFACP and ICU’s separately and distinctly from other visible annunciation, to alert
fire fighters and other emergency personnel that the elevators are no longer safe to use due
to smoke and fire intrusion into the hoistways and machine rooms.
25. Elevator Shutdown Prior to Sprinkler Operation:
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a. Dedicated elevator shutdown ICU’s located in each elevator machine room, in conjunction
with heat detecting devices located within two feet of each sprinkler head monitors the
hoistways and machine rooms for heat/fire conditions.
1) The heat detecting device has both a lower temperature rating and a higher
sensitivity as compared to the sprinkler, to ensure heat detecting device response
prior to sprinkler head operation.
2) The elevator shutdown ICU’s and heat detecting devices are independent of the
sprinkler system.
b. Smoke detecting devices located in each hoistway and elevator machine room monitor the
hoistways and machine rooms for smoke/fire conditions. The smoke detecting devices are
connected to system ICU’s. The smoke detecting devices are not connected to the elevator
shutdown ICU’s. Sequence of Events:
1) Smoke in a machine room or hoistway during the initial stages of a fire activate the
system smoke detecting devices, causing the system to perform the elevator recall
functions.
2) As the intensity of the fire builds, the elevator shutdown heat detecting devices
actuate, causing the elevator shutdown ICU to shunt trip the circuit breaker serving
the main power line to affected elevators prior to the application of water. The
sprinkler system operates independently after the affected elevator has shutdown.
3) Activation of elevator machine room or hoistway heat detecting devices are
indicated by an audible alarm and a visual indicator in the MFACP.
c. Control circuits to shut down elevator power are monitored for presence of operating
voltage. Loss of power to the control circuit for the disconnecting means causes a
supervisory signal to be indicated at the ICU and MFACP. Refer to NFPA 72 A-3.9.4.4 for
a typical method of providing elevator power shunt trip supervisory signal.
26. Elevator machine rooms that contain solid-state equipment for elevators automatically operates the
elevator machine rooms’ independent ventilation or air conditioning system to maintain room
temperature during fire fighters’ service operation.
a. The operating temperature must remain at or below the temperature established by the
elevator equipment manufacturer’s specifications.
b. When elevator room operating temperature is exceeded, a supervisory signal is indicated at
the MFACP.
27. Emergency lighting energizes.

2.6 SMOKE DETECTORS

A. General: Include the following features:

1. Operating Voltage: 24-V dc, nominal.

2. Self-Restoring: Detectors do not require resetting or readjustment after actuation to restore them
to normal operation.
3. Plug-in Arrangement: Detector and associated electronic components are mounted in a module
that connects in a tamper-resistant manner to a fixed base with a twist-locking plug connection.
Terminals in the fixed base accept building wiring.
4. Integral Visual-Indicating Light: LED type. Indicates detector has operated.
5. Sensitivity: Can be tested and adjusted in-place after installation.
6. Mounting: Surface or semi-recessed ceiling mounted type, located as shown on Drawings, with
head removable from fixed twist-lock base. Removal of detector head is to interrupt supervisory
circuit and cause trouble signal at control panel. Normal flat surface coverage is to be over 100
m2 at mounting height of 6 m.

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7. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, or

trouble) to the MFAC.
8. Circuitry for two-way communication with the MFAC: Each time the detector is polled, it is to
communicate its type (ionization, optical etc.) and an analogue/digitally-encoded value
corresponding to its sensitivity and status with microcomputer processing in the control unit.
Detector is to be automatically addressed by its location in the signaling loop.
9. Remote Controllability: Unless otherwise indicated, detectors are analog-addressable type,
individually monitored at the MFAC for calibration, sensitivity, and alarm condition, and
individually adjustable for sensitivity from the MFAC.

B. Multi Sense Detectors: UL 268, Intelligent 4D Multi-sensor Detector type, standard base.

C. Beam-Type Smoke Detector: Each detector consists of a separate transmitter and receiver with the
following features:

1. Adjustable Sensitivity: More than a six-level range, minimum.

2. Linear Range of Coverage: 180 m minimum.
3. Tamper Switch: Initiates trouble signal at the central MFAC when either transmitter or receiver is
disturbed.
4. Separate Color-Coded LEDs: Indicate normal, alarm, and trouble status. Any detector trouble,
including power loss, is reported to the central MFAC as a composite "trouble" signal.

D. Air-Sampling Detector System: Consist of highly sensitive, short wavelength LASER-based and light
scattering smoke detectors, microbore sampling tubes, rotary valve, pumps, and filters; and the system
can be linked and connected with the following:
a. base detectors and stack modules each accommodating up to 40 addressable microbore
sampling tubes where each tube has a sampling point at the end
b. each base detector capable of supporting up to two stacks providing up to 120 addressable
sampling holes per system
c. each base detector having a display with indicator LEDs and a reset button
d. optionally each base having an LCD Display showing detector status including fault
categories and smoke level relative to the fire alarm setting

1. Early Warning Smoke Detection (EWSD) and provide four output levels corresponding to Alert,
Action, Fire 1 and Fire 2. These levels shall be settable to sensitivities corresponding to Very
Early Warning Fire Detection (VEWFD) / Early Warning Fire Detection (EWFD) / Standard Fire
Detection (SFD) as defined in NFPA76 or Class A / Class B / Class C as defined in EN54-20.
2. Pipe Network: Electrical plastic PVC tubing connects control unit with designated sampling
holes.
3. Smoke Detector: Particle-counting type with continuous laser beam. Sensitivity adjustable to a
minimum of three preset values.
4. Sample Transport Fan: Centrifugal type, creating a minimum static of 1.3 mm of water at all
sampling ports.
5. Control Unit: Single or multizone unit as needed. Provides same system power supply,
supervision, and alarm features as specified for the central MFAC plus separate trouble indication
for airflow and detector problems.
6. Signals to the Central MFAC: Any type of local system trouble is reported to the central MFAC
as a composite "trouble" signal. Alarms on each system zone are individually reported to the
central MFAC as separately identified zones.

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7. The Detector, Filter, Aspirator and Relay Outputs shall be housed in a mounting box and shall be
arranged in such a way that air is drawn from the fire risk area and a sample passed through the
Dual Stage Filter and Detector by the Aspirator.
a. The detection unit shall also include a scanning valve mechanism to identify which
sampling pipe is carrying smoke
1) The valve mechanism shall:
a) be integrated into the detector
b) begin to sample each pipe individually upon detection of smoke
c) be used to identify the level of smoke in each pipe
d) be used to indicate in which pipe an alarm was first detected
e) operate upon manual activation of the scan button on the VLS display
f) be automatically tested fortnightly to ensure uninterrupted protection
b. The system shall utilise the principle of sampling all sectors simultaneously. When a scan
smoke level is reached, an automatic sequence shall be initiated to sample each sector
individually. If an alarm threshold level is reached a First Alarm Sector is indicated and
signalled. The unit shall then continue its sequence monitoring until the smoke level signal
reduces below the scan level.
c. The Detector shall be LASER-based type and shall have an obscuration sensitivity range of
0.005-20% obs/m (0.0015–6% obs/ft).
d. The Detector shall have four independent field programmable smoke alarm thresholds per
pipe (sector) and a programmable scan time delay.
e. The Detector shall also incorporate facilities to transmit the following faults
1) Detector
2) Air flow
3) Filter
4) System
5) Zone
6) Network
7) Power
f. Urgent and Minor faults. Minor faults shall be considered as servicing or maintenance
signals. Urgent faults indicate the unit may not be able to detect smoke.
g. The detector shall have four in-line sample pipe inlets and must contain a flow sensor for
each pipe inlet. Both Minor and Urgent flow faults can be reported.
h. The filter shall be a two-stage disposable filter cartridge. The first stage shall be capable of
filtering particles in excess of 20 microns from the air sample. The second stage shall be
ultrafine, removing more than 99% of contaminant particles of 0.3microns or larger, to
provide a clean air barrier around the detector’s optics to prevent contamination and
increase service life.
i. The aspirator shall be a purpose-designed rotary vane air pump. It shall be capable of
allowing for multiple sampling pipe runs up to 200m (650 ft) in total, (4 pipe runs per
detector) with a transport time per applicable local codes.
j. The Assembly must contain relays for alarm and fault conditions. The relays shall be
software programmable to the required functions. The relays must be rated at 2 AMP at 30
VDC. Remote relays shall be offered as an option and either configured to replicate those
on the detector or programmed differently.
k. The Assembly shall be able to be surface mounted to a wall or recessed in the wall cavity
(the unit may be inverted in either option).
l. The assembly shall have built-in event and smoke logging. It shall store smoke levels,
alarm conditions, operator actions and faults. The date and time of each event shall be
recorded. Each detector (zone) shall be capable of storing up to 18,000 events and does not
require the presence of a display in order to do so.

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E. Duct Smoke Detector: Photoelectric type complying with UL 268A.

1. Detector address shall be accessible from fire-alarm control unit and shall be able to identify the
detector's location within the system and its sensitivity setting.
2. An operator at fire-alarm control unit, having the designated access level, shall be able to
manually access the following for each detector:

a. Primary status.
b. Device type.
c. Present average value.
d. Present sensitivity selected.
e. Sensor range (normal, dirty, etc.).

3. Weatherproof Duct Housing Enclosure: NEMA 250, Type 4X; NRTL listed for use with the
supplied detector.
4. Each sensor shall have multiple levels of detection sensitivity.
5. Sampling Tubes: Design and dimensions as recommended by manufacturer for specific duct size,
air velocity, and installation conditions where applied.
6. Relay Fan Shutdown: Rated to interrupt fan motor-control circuit.

F. OTHER DETECTORS

G. Heat Detector, Combination Type: Actuated by either a fixed temperature of 57 deg C or rate of rise of
temperature that exceeds 8.3 deg C per minute, unless otherwise indicated.
1. Mounting: Surface or semi-recessed ceiling mounted type, located as shown on Drawings, with
head removable from fixed twist-lock base. Removal of detector head is to interrupt supervisory
circuit and cause trouble signal at control panel. Normal flat surface coverage is to be over 50 m2.
2. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, or
trouble) to the MFAC.
3. Circuitry for two-way communication with the MFAC: Each time the detector is polled, it is to
communicate its type and an analogue/digitally-encoded value corresponding to its sensitivity and
status with microcomputer processing in the control unit. Detector is to be automatically
addressed by its location in the signaling loop.

H. Heat Detector, Fixed-Temperature Type: Actuated by temperature that exceeds a fixed temperature of 88
deg C.
1. Mounting: Surface or semi-recessed ceiling mounted type, located as shown on Drawings, with
head removable from fixed twist-lock base. Removal of detector head is to interrupt supervisory
circuit and cause trouble signal at control panel. Normal flat surface coverage is to be over 50 m2.
2. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, or
trouble) to the MFAC.
3. Circuitry for two-way communication with the MFAC Each time the detector is polled, it is to
communicate its type and an analogue/digitally-encoded value corresponding to its sensitivity and
status with microcomputer processing in the control unit. Detector is to be automatically
addressed by its location in the signaling loop.

I. Continuous Linear Heat-Detector System: Consists of detector cable and control unit.

1. Detector Cable: Rated detection temperature 68 deg C. Listed for "regular" service and a
standard environment. Cable includes two steel actuator wires twisted together with spring
pressure, wrapped with protective tape, and finished with PVC outer sheath. Each actuator wire is

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insulated with heat-sensitive material that reacts with heat to allow the cable twist pressure to short
circuit wires at the location of elevated temperature.
2. Control Panel: Two-zone or multizone unit as indicated. Provides same system power supply,
supervision, and alarm features as specified for the central MFAC.
3. Signals to the Central MFAC: Any type of local system trouble is reported to the central MFAC
as a composite "trouble" signal. Alarms on each detection zone are individually reported to the
central MFAC as separately identified zones.
4. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, or
trouble) to the MFAC.
5. Circuitry for two-way communication with the MFAC: Each time the detector is polled, it is to
communicate its type and an analogue/digitally-encoded value corresponding to its sensitivity and
status with microcomputer processing in the control unit. Detector is to be automatically
addressed by its location in the signaling loop.

J. Flame Detector: Triple band infra-red type microprocessor based with detection range of 60 m and
minimum field of view of 90° in the horizontal and vertical directions. The detector should operate at
100% relative humidity and shall have processing power to avoid false alarms.
1. Mounting: Plug-in base, interchangeable with smoke detector bases.
2. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, or
trouble) to the MFAC.
3. Detection Range: Up to 215 ft (65m) for a 1 ft2 (0.1m2) n-heptane fire.
4. Ultra High Immunity to False Alarms.
5. Advanced Digital Processing of the Dynamic Characteristics of Fire: Flickering, threshold
correlation and ratio.
6. Multi IR Channels: Between 3-5 microns
7. Field Programmable Sensitivity: Four ranges to avoid zone crossover.
8. Built In Test (BIT): Manual and Automatic
9. Heated Window: Prevents effects of icing, snow, condensation.
10. Electrical Interface:
a. Dry contact relays
b. Communication network RS-485
c. 0-20mA output
11. Hazardous Area Certification: ATEX, IECEx, FM, CSA, EN54-10: Approved by LPCB (BRE,
UK).

2.7 NOTIFICATION APPLIANCES

A. Description: Equip for mounting as indicated and have screw terminals for system connections.

1. Combination Devices: Factory-integrated audible and visible devices in a single-mounting

assembly.

B. Bells: Electric-vibrating, 24-V dc, under-dome type; with provision for housing the operating mechanism
behind the bell. When operating, bells provide a sound-pressure level of 94 dB, measured 3 m from the
bell. 254-mm size, unless otherwise indicated. Bells are weatherproof where indicated.

C. Low Level Output Chimes Type C1: Vibrating type, 75-dB minimum rated output.

D. High Level Output Chimes Type C2: Vibrating type, 81-dB minimum rated output.

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E. Horns: 24-V dc with voltage variations between 18 V and 32 V and provision for housing the operating
mechanism behind a grille.

1. Horn Type H2: For indoor applications, electronic type, with volume control incorporated inside
the unit, mounted on flush box as shown on the Drawings, and giving 95 dB(A) sound level at 3 m
in all directions, with a sound frequency in the range 500 Hz to 1000 Hz. The horn is to operate in
both continuous and alternating tones.

F. Visible Alarm Devices: Xenon strobe lights with clear or nominal white polycarbonate lens. Mount lens
on an aluminum faceplate. The word "FIRE" is engraved in minimum 25-mm- high letters on the lens.

1. Rated Light Output: 75 candela.

2. Rated Light Output: 110 candela.
3. Strobe Leads: Factory connected to screw terminals.

2.8 MANUAL STATIONS

A. Description: Fabricated of metal or plastic, and finished in red with molded, raised-letter operating
instructions of contrasting color.

1. Double-action mechanism requires two actions to initiate an alarm, non break-glass, lift-cover and
pull lever type.
2. Station Reset: Key or wrench operated; double-pole, double-throw; switch rated for the voltage
and current at which it operates.
3. Indoors Protective Shield: Factory-fabricated clear plastic enclosure, hinged at the top to permit
lifting for access to initiate an alarm. Lifting the cover actuates an integral battery-powered
audible horn intended to discourage false alarm operation.
4. Weatherproof Protective Shield: Factory-fabricated clear plastic enclosure, hinged at the top to
permit lifting for access to initiate an alarm.
5. Integral Addressable Module: Arranged to communicate manual-station status (normal, alarm, or
trouble) to the MFAC.

2.9 REMOTE DEVICE LOCATION-INDICATING LIGHTS AND IDENTIFICATION PLATES

A. Description: LED indicating light near each smoke detector that may not be readily visible, and each
sprinkler water-flow switch and valve-tamper switch. Light is connected to flash when the associated
device is in an alarm or trouble mode. Lamp is flush mounted in a single gang wall plate. A red,
laminated, phenolic-resin identification plate at the indicating light identifies, in engraved white letters,
device initiating the signal and room where the smoke detector or valve is located. For water-flow
switches, the identification plate also designates protected spaces downstream from the water-flow
switch.

2.10 CENTRAL MFAC

A. Cabinet: Lockable steel enclosure. Arrange interior components so operations required for testing or for
normal maintenance of the system are performed from the front of the enclosure. If more than one unit is

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required to form a complete control panel, fabricate with matching modular unit enclosure to
accommodate components and to allow ample gutter space for field wiring and interconnecting panels.

1. Identify each enclosure with an engraved, red, laminated, phenolic-resin nameplate with lettering
not less than 25 mm high. Identify individual components and modules within cabinets with
permanent labels.
2. Mounting: Surface.

B. Alarm and Supervisory Systems: Separate and independent in the MFAC. Alarm-initiating zone boards
consist of plug-in cards. Construction requiring removal of field wiring for module replacement is
unacceptable.

C. Control Modules: Include types and capacities required to perform all functions of fire alarm systems.

D. Indications: Local, visible, and audible signals announce alarm, supervisory, and trouble conditions.
Each type of audible alarm has a different sound.

E. Indicating Lights and System Controls: Individual LED devices identify zones transmitting signals.
Zone lights distinguish between alarm and trouble signals, and indicate the type of device originating the
signal. Manual switches and push-to-test buttons do not require a key to operate. Controls include the
following:

1. Alarm acknowledge switch.

2. Alarm silence switch.
3. System reset switch.
4. LED test switch.

F. Resetting Controls: Prevent the resetting of alarm, supervisory, or trouble signals while the alarm or
trouble condition still exists.

G. Alphanumeric Display and System Controls: Arranged for interface between human operator at the
MFAC and addressable system components, including annunciation and supervision. Display alarm,
supervisory, and component status messages and the programming and control menu.

1. Display: Liquid-crystal type, [80][40] characters minimum.

2. Keypad: Arranged to permit entry and execution of programming, display, and control
commands.

H. Alphanumeric Display and System Controls: Arranged for interface between human operator at the
MFAC and addressable system components, including annunciation, supervision, and control.

1. Display: A minimum of 80 characters; alarm, supervisory, and component status messages; and
indicate control commands to be entered into the system for control of smoke detector sensitivity
and other parameters.
2. Keypad: Arranged to permit entry and execution of programming, display, and control
commands.

I. Voice Alarm: An emergency communication system, includes central voice alarm system components
complete with microphones, preamplifiers, amplifiers, and tone generators. This shall include speaker
zone indication, digital voice units and microphone. Construction is to be modular and capable of being
field programmed. Features include the following:
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1. Two alarm channels permit simultaneous transmission of different announcements to different

zones or floors automatically or by using the central control microphone. All announcements are
made over dedicated, supervised communication lines.
2. Status annunciator indicates the status of various voice alarm speaker zones and the status of
firefighters' two-way telephone communication zones.
3. Provide automatic, digitally recorded voice messages and tones, which may be field-programmed
through the microphone.

J. Instructions: Printed or typewritten instruction card mounted behind a plastic or glass cover in a stainless
steel or aluminum frame. Include interpretation and describe appropriate response for displays and
signals. Briefly describe the functional operation of the system under normal, alarm, and trouble
conditions.

2.11 DATA NETWORK

A. Network Architecture: Based on a Local Area Network (LAN), a firmware software package, which
utilizes an inherently regenerative communication format and protocol.

B. Basic Network Operation: Each MFAC panel is a stand-alone control with direct communications into
network is defined as a node. Although performing different functions, each [MFAC] [MFAC/MFAC]
serves as a "peer-to-peer" (equal) partner in controlling network communications. Network information
is sequentially transmitted from one node to another. At each node, the network message is captured and
either retransmitted as received, or modified before retransmission to provide the network with a status
update. The ability of the message to circulate through the network define the network status and allow
the nodes to respond accordingly. If a node goes "off-line", or if the wires between nodes either short,
open, or have any other form of communication problem, the nodes will isolate that section of wiring.
Nodes that cannot retransmit onto the next node of the network will transmit back to the previous node to
maintain communications and to notify the network of the node status. In the event of multiple wiring
problems, the remaining nodes will effectively "regroup" and establish new, smaller "sub-networks" that
will maintain communications among the active nodes.

C. Basic Network Operation: Each MFAC panel with direct communications into network is defined as a
node. Each MFAC panel operates as a subordinate to the MFAC master in the network operation. All
the information from the MFAC’s is relayed to the MFAC for central control and monitoring. Normally
the MFAC is the Central Processor Unit (CPU) and the MFAC’s perform the monitoring and control.
MFAC is to implement a local mode operation in the event that all communications with the controller is
lost.

D. Personal computer (PC) for network reporting terminal (NRT) is to be part of the data network with all
information from the MFAC relayed to the PC.

2.12 REMOTE ANNUNCIATOR

A. Description: Duplicate annunciator functions of the [MFAC] [MFAC] for alarm, supervisory, and trouble
indications. Also duplicate manual switching functions of the [MFAC] [MFAC], including
acknowledging, silencing, reset, and test.

1. Mounting: Flush cabinet.

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B. Display Type and Functional Performance: Individual LED for each type of alarm and supervisory
device, and LEDs to indicate "normal power" and "trouble."

1. An alarm or supervisory signal causes the illumination of a zone light, floor light, and device light.
2. System trouble causes the illumination of all lights above and also the trouble light.
3. Additional LEDs indicate normal and emergency power modes for the system.
4. A test switch to test LEDs mounted on the panel. Switch does not require key operation.
5. Graphics: Integrate LED displays with graphic display panel to form a graphic annunciator.

C. Display Type and Functional Performance: Alphanumeric display same as the [MFAC] [MFAC].
Controls with associated LEDs permit acknowledging, silencing, resetting, and testing functions for
alarm, supervisory, and trouble signals identical to those in the [MFAC] [MFAC].

D. Graphic Display Panel for Remote Annunciator: Wall-mounted engraved panel indicating the building
floor plan with a "You Are Here" designation. Engrave zone, area, and floor designations on the face of
the panel.

1. Materials: Satin-finished stainless steel or brushed aluminum.

2. Floor Plan and Zone Boundary Lines: Engraved in the surface and filled with colored paint.
Floor plan lines are black and 6 mm wide; zone boundaries are red and 3 mm wide.
3. Engraved Legends: 6-mm- high minimum, in letters filled with red paint.
4. Mounting: Integral with lamp-type annunciator. Locate zone lamps in the floor plan zones they
represent.
5. Mounting: Adjacent to remote annunciator.

2.13 ADDRESSABLE INTERFACE DEVICE

A. Description: Microelectronic monitor module listed for use in providing a multiplex system address for
listed fire and sprinkler alarm-initiating devices with normally open contacts.

B. Integral Relay: Capable of providing a direct signal to the elevator controller to initiate elevator recall or
to a circuit-breaker shunt trip for power shutdown.

C. Analog Addressable Circuit Interface Modules, Generally: Shall monitor one or more system components
that are not otherwise equipped for addressable communication. Modules shall be used for monitoring of
water flow, valve tamper, non-addressable devices, and for control of evacuation indicating appliances
and AHU systems.

D. Monitor Module: This module has both its power and its communications supplied by the system. It
provides location specific addressability to an initiating device by monitoring normally open dry contacts.
This module shall be listed for the application is required for monitoring water flow and tamper switches.

E. Control Module: This module is an individually addressable module that has both its power and its
communications supplied by the system. The system shall be capable of energizing 100% of the relays
connected to the signaling line circuit in order to initiate the required function. Control Relay Module
shall provide a Form “C” dry relay contact to control external appliances such as door closers, fans,
dampers, elevator recall or a circuit-breaker shunt trip for power shutdown, etc.

F. Fault Isolator Module: is to be provided within the connecting loops. Module is to isolate the part of the
loop upon short circuit in the loop. Fault isolator module is to be installed in the loop every 20
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addressable device maximum as well as the interconnection with each tenant area (shops, retail,
apartment, etc.). An integral LED is to be provided for visual supervision, normally blinks and latches
ON in alarm.

2.14 DIGITAL ALARM COMMUNICATOR TRANSMITTER

A. Functional Performance: Unit receives an alarm, supervisory, or trouble signal from the MFAC panel,
and automatically captures one or two telephone lines and dials a preset number for a remote central
station. When contact is made with the central station(s), the signal is transmitted. The unit supervises
up to two telephone lines. Where supervising two lines, if service on either line is interrupted for longer
than 45 seconds, the unit initiates a local trouble signal and transmits a signal indicating loss of telephone
line to the remote alarm receiving station over the remaining line. When telephone service is restored,
unit automatically reports that event to the central station. If service is lost on both telephone lines, the
local trouble signal is initiated.

B. Secondary Power: Integral rechargeable battery and automatic charger.

C. Self-Test: Conducted automatically every 24 hours with report transmitted to central station.

2.15 PERSONAL COMPUTER (PC) FOR NETWORK REPORTING TERMINAL (NRT)

A. The Network Reporting Terminal is to utilize user-friendly software running on an industry standard
operating system (such as Microsoft Windows or NT). Each NRT is to be capable of graphically
annunciating and controlling all network activity.

B. Personal Computer: Provide a state of the art personal computer with [17][20] inch color monitor,
keyboard, mouse, CD drive, printer and all necessary interface / network cards and auxiliaries. The
central control unit is to be equipped with dual microprocessor in "hot -standby" mode in such a way that
failure of either one, the other one will automatically take over all functions of the central control unit.
The failure of any CPU is to be associated with an audible alert signal and distinctive visual signal
"PROCESSOR FAILURE" presented at the system main console terminal. Central processor architecture
is to have the following serial input-output interfaces:

1. Front interfaces for either point-to-point or loop communication network.

2. Eight Asynchronous end interfaces for control and supervision of system consoles logging printer
and color graphic display station.
3. At least one additional end interface to drive a digital output device.
4. At least one additional end interface to drive a function keyboard device for dedicated partial
system operation.

C. Software Configuration: The manufacturer shall be responsible for the provision of all system software
packages, which make up the complete operational system. At least the following standard software
modules are to be incorporated:

1. Operating program.
2. System database (process image).
3. Network monitoring and control.
4. Display priority control.
5. Command priority control.
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6. Output message generator.

7. Peripheral drivers.
8. Text/graphic editors.
9. Help facility.
10. Service assistance.
11. Diagnosis.
12. Auxiliary programs.

D. Password Protection: Access to system operating functions is to be protected by a password. For each
operator intervention, the identification number of the initiating password number is to be recorded in the
system history file for subsequent reports.

E. Alarms: The system console is to automatically display and log alarm and change-of-status messages
received from MFAC or SFAC’s. The system console is to provide optimal conditions for successful
intervention by means of rapid and simple processing and displaying all necessary data in plain text and
graphics. The alarm message information is to contain the following information:

1. Time and date.

2. Type and origin.
3. Description of affected alarm location.
4. Counter-action to be taken.

F. Programming: The NRT is to use dialog box technology to address, interrogate, control, and/or modify
intelligent points on each fire alarm node. This is to include, and not be limited to:

1. Activating outputs.
2. Enabling or disabling points.
3. Adding or removing intelligent points.
4. Viewing intelligent detector sensitivity levels and modifying point information (custom messages,
detector type, verification, day/night selection etc.).

G. Operating Mode: The extended system operating procedure is to be based on a user adaptive, screen-
oriented dialogue in the manner of menus and masks. No knowledge of technical codes shall be
necessary for system operation. All messages and instructions needed for system operation are to be
indicated in plain text and/or graphics. A keyboard is to be used for data entry communication.

H. History File: The NRT is to be capable of storing network events in a history file. Events are to be stored
on hard disk and be capable of back-up storage on a floppy disk. The history buffer is to have three
modes of display. The first mode is to allow the operator to view events in a chronological order. A filter
is to be available for displaying chronological events by year, month, date, time, alarms only, troubles
only, both alarms and troubles, security breaches, supervisory alarms, and points disabled. The second is
to allow the operator to view events in a number of easy-to-read graph styles, such as, bar graph, point
graph, line graph, or spline graph. Graphing is to include the ability to select alarms, troubles or alarms
and troubles, then the ability to display on a by year, month, or day basis. The third mode is to allow the
operator to display stored (hard or floppy disk) events in a variety of useful formats. Selections are to be
available for displaying events by year, month, date, time, alarms only, troubles only, and both alarms
and troubles, security breaches, supervisory alarms, and points disabled. The ability to print NRT history
files is also to be available.

I. Graphical Information: The NRT is to include the ability to display system information in a graphical
(floor plan and elevations) form. A pull-down menu is to be included allowing selection of graphical

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views of the facility, or subset thereof. Each view, created in a CAD environment, is to include icons
created for intelligent devices. These devices are to change in color when an event occurs. The device is
to annunciate in RED when in alarm, BLUE for security activation, and YELLOW for trouble or to
confirm acknowledgement. Each device in the graphic display is to support a text memo file where
pertinent information about the location of the device may be stored. By selecting a device in the graphic
presentation, the operator of the NRT is to have the ability to log onto the corresponding node and
interrogate the associated intelligent point. Graphics are to be stored in a resident RAM memory and
backed-up by a floppy disk memory with the possibility to compose, modify or edit the graphic
schematics, text, symbols and zone allocations on-site without jeopardizing the fire alarm system
operation. Provide license and tools to software to revise / add equipment, floors or areas. Selection and
activation of a certain graphic display is to be either automatic (event driven) or by manual request via the
terminal. Graphics presentation shall have a minimum of four hierarchical levels:

1. Area overview.
2. Building overview.
3. Floor overview.
4. Room overview.

J. Annunciation: The NRT is to include an easy-to-read system interface window, which displays alarms
and troubles in an 80-character text message format. Alarms are to display in RED, troubles in
YELLOW and security alarms in BLUE. The system interface window is to also include reset, silence
and acknowledge keys for local panels and for the complete network.

K. Help: The NRT is to include help screens, available to aid the user without leaving the selected
application screen.

L. Passwords: The NRT is to have a flexible way of assigning operator passwords. There is to be an
unlimited number of possible operators, each with specific levels of control. Each operator is to have
his/her own password. Operator password and control selection is to be available to a high level
"administrator" who is to have complete control over levels of control. If no action has taken place on the
NRT after 10 minutes, the current operator is to be logged out and require a new log-in.

M. Printer Port: The NRT shall include an industry-standard EIA-232 port for a printer.

2.16 EMERGENCY POWER SUPPLY

A. General: Components include valve-regulated, recombinant lead acid battery; charger; and an automatic
transfer switch.

1. Battery Nominal Life Expectancy: 10 years, minimum.

B. General: Components include nickel-cadmium battery, charger, and an automatic transfer switch.

1. Battery Nominal Life Expectancy: 20 years, minimum.

2. Magnetic door holders are not served by emergency power. Magnetic door holders are released
when normal power fails.

C. Battery Charger: Solid-state, fully automatic, variable-charging-rate type. Provide capacity for 150
percent of the connected system load while maintaining batteries at full charge. If batteries are fully

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discharge d, the charger recharges them completely within four hours. Charger output is supervised as
part of system power supply supervision.

D. Integral Automatic Transfer Switch: Transfers the load to the battery without loss of signals or status
indications when normal power fails.

2.17 SYSTEM PRINTER

A. Description: Listed and labeled as an integral part of the fire alarm system.

B. The system is to have a strip printer capable of being mounted directly in the main MFAC enclosure.
Alarms are to be printed in easy-to-read RED, other messages, such as a trouble, are to be printed in
BLACK. This printer is to receive power from the system power supply and shall operate via battery
backup if AC mains are lost.

C. The printer is to provide hard-copy printout of all changes in status of the system and shall time-stamp
such printouts with the current time-of-day and date. The printer is to be standard carriage with 80-
characters per line and is to use standard pin-feed paper. The printer is to be enclosed in a separate
cabinet suitable for placement on a desktop or table. The printer shall communicate with the control
panel using an interface complying with Electrical Industries Association (EIA) standard TIA-232-F.

2.18 GUARDS FOR PHYSICAL PROTECTION

A. Description: Welded wire mesh of size and shape for the manual station, smoke detector, gong, or other
device requiring protection.

1. Factory fabricated and furnished by the manufacturer of the device.

2. Finish: Paint of color to match the protected device.

2.19 WIRE

A. Non-Power-Limited Circuits: Solid-copper conductors with 600-V rated, 75 deg C, color-coded

insulation.

1. Low-Voltage Circuits: 1.5 mm2 (No. 16 AWG), minimum.

2. Line-Voltage Circuits: 2.5 mm2 (No. 12 AWG), minimum.

B. Power-Limited Circuits: NFPA 70, Types FPL, FPLR, or FPLP, as recommended by manufacturer.

C. Wires and Cables: Comply with NFPA BS 5839 Part 1and certified to have passed IEC 60331-1, IEC
60331-21 ,60332 and BS 6387
1. Option (1): low smoke zero halogen (LSHF), 300/500 V, Fire alarm cables, category CWZ, 950ºC
(similar to Perilli type FP200 Gold or approved equal), suitable for exposed installation in
electromechanical rooms and above false ceiling.

2. Option (2): power limited, 300 V, 105ºC, PVC, 16 AWG, UL listed fire protective signaling
cables, to IEEE 383, UL2464 and NEC 760 & 725 with aluminium polyester foil shield and drain
wire (similar to Belden type 1024 or approved equal) can be used for installation in PVC conduits
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where embedded in slabs or walls and in EMT conduits where exposed or installed above false
ceiling.

D. Cables are to be silicone rubber insulated, with overall PVC sheath bonding to coated aluminum foil.

E. Network Media: The network is to be capable of communicating via wire or fiber optic medium. The
network is to also support the use of both wire and fiber in the same network (hybrid network). A wire
network is to include a fail-safe means of isolating the nodes in the unlikely event of complete power loss
to a node. The fail safe design is to allow the network communications signal to bypass the failed node
which allows the continuation of normal communications activity if specified wiring distances are
maintained.

1. Network Repeater: A network repeater is to be available to increase the twisted-pair distance

capability in 1,000-meter increments.
2. Copper Wires: Twisted pair to support distances of up to 1,000-m between nodes.
3. Fiber Optic Network Communication: The network shall support fiber optics with the following
specifications:
a. Size: 62.5 micrometers / 125 micrometers
b. Type: Multi-mode, Dual fiber, Plenum rated
c. Distance: Maximum 10 dB total attenuation between network nodes
d. Connector type: ST or better.
4. Cables are to be class A style 7, fire rated or protected for two hour.
5. Network Cards: Provide cards in all MFAC’s and at the MFAC to enable a loop data network.
Cards are to support twisted pair copper or fiber cables depending on distance limitations and in
accordance to manufacturer recommendations.

PART 3 - EXECUTION

3.1 EQUIPMENT INSTALLATION

A. Comply with NFPA 72 for installation of fire-alarm equipment.

B. Connect the MFAC with a disconnect switch with lockable handle or cover.

C. Install wall-mounted equipment, with tops of cabinets not more than (1830 mm) above the finished floor.

1. Comply with requirements for seismic-restraint devices specified in Division 26 Section

"Vibration and Seismic Controls for Electrical Systems."

D. Connecting to Existing Equipment: Verify that existing fire-alarm system is operational before making
changes or connections.

1. Connect new equipment to existing control panel in existing part of the building.
2. Connect new equipment to existing monitoring equipment at the supervising station.
3. Expand, modify, and supplement existing [control] [monitoring] equipment as necessary to
extend existing [control] [monitoring] functions to the new points. New components shall be
capable of merging with existing configuration without degrading the performance of either
system.

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E. Manual Pull Stations: Mount semiflush in recessed back boxes.

F. Smoke- or Heat-Detector Spacing:

1. Comply with NFPA 72, "Smoke-Sensing Fire Detectors" Section in the "Initiating Devices"
Chapter, for smoke-detector spacing.
2. Comply with NFPA 72, "Heat-Sensing Fire Detectors" Section in the "Initiating Devices" Chapter,
for heat-detector spacing.
3. Smooth ceiling spacing shall not exceed 9 m.
4. Spacing of detectors for irregular areas, for irregular ceiling construction, and for high ceiling
areas shall be determined according to Appendix A in NFPA 72.
5. HVAC: Locate detectors not closer than 1.5 m from air-supply diffuser or return-air opening.
6. Lighting Fixtures: Locate detectors not closer than (300 mm) from any part of a lighting fixture.

G. Ceiling-Mounted Smoke Detectors: Not less than 100 mm from a side wall to the near edge. For
exposed solid-joist construction, mount detectors on the bottom of joists. On smooth ceilings, install not
more than 9 m apart in any direction.

H. Wall-Mounted Smoke Detectors: At least 100 mm, but not more than 300 mm, below the ceiling.

I. The selection and placement of smoke detectors shall take into account both the performance
characteristics of the detector and the areas into which the detectors are to be installed to prevent nuisance
alarms or improper operation after installation. Smoke detectors shall not be installed in areas where air
velocity is greater than 1.5m/sec, and shall not be located in a direct airflow. If siting of detectors in such
areas is unavoidable, use detectors specifically designed for use in such conditions.

J. Heat Detectors in Elevator Shafts: Coordinate temperature rating and location with sprinkler rating and
location.

K. Duct Smoke Detectors: Comply with NFPA 72 and NFPA 90A. Install sampling tubes so they extend
the full width of duct.

L. Audible Alarm-Indicating Devices: Install not less than 150 mm below the ceiling. Install bells and
horns on flush-mounted back boxes with the device-operating mechanism concealed behind a grille.
Combine audible and visible alarms at the same location into a single unit.

M. Visible Alarm-Indicating Devices: Install adjacent to each alarm bell or alarm horn and at least 150 mm
below the ceiling.

N. Device Location-Indicating Lights: Locate in public space near the device they monitor.

O. MFAC: Surface mount with tops of cabinets not more than 1800 mm above the finished floor.

P. Annunciator: Install with the top of the panel not more than 1800 mm above the finished floor.

Q. Antenna for Radio Alarm Transmitter: Mount to building structure where indicated. Use mounting
arrangement and substrate connection that will resist 160-km/h wind load with a 1.3 gust factor without
damage.

3.2 WIRING INSTALLATION

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A. Wiring Method: Install wiring in raceway according to Division 16 Section "Raceways and Boxes."
Conceal raceway except in unfinished spaces and as indicated.

B. Wiring within Enclosures: Separate power-limited and non-power-limited conductors as recommended

by the manufacturer. Install conductors parallel with or at right angles to sides and back of the enclosure.
Bundle, lace, and train conductors to terminal points with no excess. Connect conductors that are
terminated, spliced, or interrupted in any enclosure associated with the fire alarm system to terminal
blocks. Mark each terminal according to the system's wiring diagrams. Make all connections with
approved crimp-on terminal spade lugs, pressure-type terminal blocks, or plug connectors.

C. Cable Taps: Use numbered terminal strips in junction, pull and outlet boxes, cabinets, or equipment
enclosures where circuit connections are made.

D. Color-Coding: Color-code fire alarm conductors differently from the normal building power wiring. Use
one color-code for alarm circuit wiring and a different color-code for supervisory circuits. Color-code
audible alarm-indicating circuits differently from alarm-initiating circuits. Use different colors for visible
alarm-indicating devices. Paint fire alarm system junction boxes and covers red.

E. Risers: Install at least two vertical cable risers to serve the fire alarm system. Separate risers in close
proximity to each other with a minimum one-hour-rated wall, so the loss of one riser does not prevent the
receipt or transmission of signal from other floors or zones.

F. Wiring to Remote Alarm Transmitting Device: 25-mm conduit between the MFAC and the transmitter.
Install number of conductors and electrical supervision for connecting wiring as needed to suit
monitoring function.

3.3 IDENTIFICATION

A. Identify system components, wiring, cabling, and terminals according to Division 16 Section "Basic
Electrical Materials and Methods."

B. Install instructions frame in a location visible from the [MFAC] [MFAC/MFAC].

C. Paint power-supply disconnect switch red and label "FIRE ALARM."

3.4 GROUNDING

A. Ground cable shields and equipment according to system manufacturer's written instructions to eliminate
shock hazard and to minimize, to the greatest extent possible, ground loops, common-mode returns, noise
pickup, cross talk, and other impairments.

B. Signal Ground Terminal: Locate at main equipment rack or cabinet. Isolate from power system and
equipment grounding.

C. Install grounding electrodes of type, size, location, and quantity as indicated. Comply with installation
requirements in Division 16 Section "Grounding and Bonding."

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D. Ground equipment and conductor and cable shields. For audio circuits, minimize, to the greatest extent
possible, ground loops, common-mode returns, noise pickup, cross talk, and other impairments. Provide
5-ohm ground at main equipment location. Measure, record, and report ground resistance.

E. Ground radio alarm transmitter system and equipment as recommended by the manufacturer.

3.5 FIELD QUALITY CONTROL

A. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect field-

assembled components and connections and to supervise pre-testing, testing, and adjustment of the
system. Report results in writing.

B. Pre-testing: After installation, align, adjust, and balance the system and perform complete pre-testing.
Determine, through pre-testing, the compliance of the system with requirements of Drawings and
Specifications. Correct deficiencies observed in pre-testing. Replace malfunctioning or damaged items
with new ones, and retest until satiMFACtory performance and conditions are achieved. Prepare forms
for systematic recording of acceptance test results.

C. Report of Pre-testing: After pre-testing is complete, provide a letter certifying the installation is complete
and fully operable, including the names and titles of witnesses to preliminary tests.

D. Final Test Notice: Provide a minimum of 10 days' notice in writing when the system is ready for final
acceptance testing.

E. Minimum System Tests: [Test the system according to procedures outlined in NFPA 72.] Minimum
required tests are as follows:

1. Verify the absence of unwanted voltages between circuit conductors and ground.
2. Test all conductors for short circuits using an insulation-testing device.
3. With each circuit pair, short circuit at the far end of the circuit and measure the circuit resistance
with an ohmmeter. Record the circuit resistance of each circuit on record (as-built) drawings.
4. Verify that the control unit is in the normal condition as detailed in the manufacturer's operation
and maintenance manual.
5. Test initiating and indicating circuits for proper signal transmission under open circuit conditions.
One connection each should be opened at not less than 10 percent of initiating and indicating
devices. Observe proper signal transmission according to class of wiring used.
6. Test each initiating and indicating device for alarm operation and proper response at the control
unit. Test smoke detectors with actual products of combustion.
7. Test the system for all specified functions according to the approved operation and maintenance
manual. Systematically initiate specified functional performance items at each station, including
making all possible alarm and monitoring initiations and using all communications options. For
each item, observe related performance at all devices required to be affected by the item under all
system sequences. Observe indicating lights, displays, signal tones, and annunciator indications.
Observe all voice audio for routing, clarity, quality, freedom from noise and distortion, and proper
volume level.
8. Test Both Primary and Secondary Power: Verify by test that the secondary power system is
capable of operating the system for the period and in the manner specified.

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F. Re-testing: Correct deficiencies indicated by tests and completely retest work affected by such
deficiencies. Verify by the system test that the total system meets specified requirements and complies
with applicable standards.

G. Report of Tests and Inspections: Provide a written record of inspections, tests, and detailed test results in
the form of a test log. Submit log on the satiMFACtory completion of tests.

H. Tag all equipment, stations, and other components at which tests have been satiMFACtorily completed.

3.6 DEMONSTRATION

A. Engage a factory-authorized service representative to train Employer's maintenance personnel on

procedures and schedules for operating, adjusting, troubleshooting, and servicing system. Refer to
Division 1 Section "[Demonstration and Training] [Closeout Procedures]."

1. Provide a minimum of eight hours' training in operation and maintenance.

3.7 ON-SITE ASSISTANCE

A. Occupancy Adjustments: When requested within one year of date of Substantial Completion, provide on-
site assistance in adjusting sound levels, controls, and sensitivities to suit actual occupied conditions.
Provide up to three requested visits to Project site for this purpose.

END OF SECTION 13851

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SECTION 15050 - BASIC MECHANICAL MATERIALS AND METHODS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following basic mechanical materials and methods to complement other
Division 15 Sections.

1. Piping materials and installation instructions common to most piping systems.

2. Concrete base construction requirements.
3. Escutcheons.
4. Dielectric fittings.
5. Flexible connectors.
6. Mechanical sleeve seals.
7. Equipment nameplate data requirements.

B. Pipe and pipe fitting materials are specified in Division 15 piping system Sections.

1.3 DEFINITIONS

A. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and
duct shafts, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawl
spaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces
and mechanical equipment rooms.

C. Concealed, Interior Installations: Concealed from view and protected from physical contact by building
occupants. Examples include above ceilings and in duct shafts.

D. The following are industry abbreviations for plastic materials:

1. ABS: Acrylonitrile-butadiene-styrene plastic.

2. CPVC: Chlorinated polyvinyl chloride plastic.
3. NP: Nylon plastic.
4. PE: Polyethylene plastic.
5. PVC: Polyvinyl chloride plastic.

E. The following are industry abbreviations for rubber materials:

1. CR: Chlorosulfonated polyethylene synthetic rubber.

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2. EPDM: Ethylene propylene diene terpolymer rubber.

1.4 SUBMITTALS

A. Shop Drawings: Detail fabrication and installation for metal and wood supports and anchorage for
mechanical materials and equipment.

B. Coordination Drawings: For access panel and door locations.

C. Coordination Drawings: Detail major elements, components, and systems of mechanical equipment and
materials in relationship with other systems, installations, and building components. Show space
requirements for installation and access. Indicate if sequence and coordination of installations are
important to efficient flow of the Work. Include the following:

1. Planned piping layout, including valve and specialty locations and valve-stem movement.
2. Clearances for installing and maintaining insulation.
3. Clearances for servicing and maintaining equipment, accessories, and specialties, including space
for disassembly required for periodic maintenance.
4. Equipment and accessory service connections and support details.
5. Exterior wall and foundation penetrations.
6. Fire-rated wall and floor penetrations.
7. Sizes and location of required concrete pads and bases.
8. Scheduling, sequencing, movement, and positioning of large equipment into building during
construction.
9. Floor plans, elevations, and details to indicate penetrations in floors, walls, and ceilings and their
relationship to other penetrations and installations.
10. Reflected ceiling plans to coordinate and integrate installation of air outlets and inlets, light
fixtures, communication system components, sprinklers, ceiling access panels and other ceiling-
mounted items.

D. Samples: Of color, lettering style, and other graphic representation required for each identification
material and device.

E. Welding Certificates: Copies of certificates for welding procedures and operators.

1.5 QUALITY ASSURANCE

A. Comply with ASME A13.1 for lettering size, length of color field, colors, and viewing angles of
identification devices.

B. Equipment Selection: Equipment of higher electrical characteristics, physical dimensions, capacities, and
ratings may be furnished at no additional cost to the Contract, provided such proposed equipment is
approved in writing and connecting mechanical and electrical services, circuit breakers, conduit, motors,
bases, equipment spaces and the like are increased accordingly. If minimum energy ratings or efficiencies
of equipment are specified, equipment must meet design and commissioning requirements.

C. Welding: Qualify processes and operators according to ASME Boiler and Pressure Vessel Code: Section
IX, "Welding and Brazing Qualifications."

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1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and
handling to prevent pipe end damage and prevent entrance of dirt, debris, and moisture.

B. Protect stored pipes and tubes from moisture and dirt. Elevate above grade. Do not exceed structural
capacity of floor, if stored inside.

C. Protect flanges, fittings, and piping specialties from moisture and dirt.

D. Store plastic pipes protected from direct sunlight. Support to prevent sagging and bending.

1.7 SEQUENCING AND SCHEDULING

A. Coordinate mechanical equipment installation with other trades and building components.

B. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of construction
to allow for mechanical installations.

C. Coordinate installation of required supporting devices and set sleeves in poured-in-place concrete and
other structural components, as they are constructed.

D. Sequence, coordinate, and integrate installations of mechanical materials and equipment for efficient flow
of the Work. Coordinate installation of large equipment requiring positioning before closing in building.

E. Coordinate connection of mechanical systems with exterior underground and overhead utilities and
services. Comply with requirements of governing regulations, franchised service companies, and
controlling agencies.

F. Coordinate requirements for access panels and doors if mechanical items requiring access are concealed
behind finished surfaces. Access panels and doors are specified in Division 8 Section "Access Doors."

G. Coordinate installation of identifying devices after completing covering and painting, if devices are
applied to surfaces. Install identifying devices before installing acoustical ceilings and similar
concealment.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 PIPE AND PIPE FITTINGS

A. Refer to individual Division 15 piping Sections for pipe and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.

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2.3 JOINING MATERIALS

A. Refer to individual Division 15 piping Sections for special joining materials not listed below.

B. Pipe-Flange Gasket Materials: Suitable for chemical and thermal conditions of piping system contents.

1. ASME B16.21, nonmetallic, flat, asbestos-free, 3.2-mm (1/8-inch) maximum thickness, unless
thickness or specific material is indicated.

a. Full-Face Type: For flat-face, Class 125, cast-iron and cast-bronze flanges.
b. Narrow-Face Type: For raised-face, Class 250, cast-iron and steel flanges.

2. AWWA C110, rubber, flat face, 3.2 mm (1/8 inch) thick, unless otherwise indicated; and full-face
or ring type, unless otherwise indicated.

C. Flange Bolts and Nuts: ASME B18.2.1, carbon steel, unless otherwise indicated.

D. Plastic, Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended by piping system
manufacturer, unless otherwise indicated.

E. Solder Filler Metals: ASTM B 32.

1. Alloy Sn95: Approximately 95 percent tin and 5 percent silver, with 0.10 percent lead content.
2. Alloy E: Approximately 95 percent tin and 5 percent copper, with 0.10 percent maximum lead
content.
3. Alloy HA: Tin-antimony-silver-copper zinc, with 0.10 percent maximum lead content.
4. Alloy HB: Tin-antimony-silver-copper nickel, with 0.10 percent maximum lead content.
5. Alloy Sb5: 95 percent tin and 5 percent antimony, with 0.20 percent maximum lead content.

F. Brazing Filler Metals: AWS A5.8.

1. BCuP Series: Copper-phosphorus alloys.

2. BAg1: Silver alloy.

G. Welding Filler Metals: Comply with AWS D10.12 for welding materials appropriate for wall thickness
and chemical analysis of steel pipe being welded.

H. Solvent Cements: Manufacturer's standard solvent cements for the following:

1. ABS Piping: ASTM D 2235.

2. CPVC Piping: ASTM F 493.
3. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656.
4. PVC to ABS Piping Transition: ASTM D 3138.

I. Plastic Pipe Seals: ASTM F 477, elastomeric gasket.

J. Flanged, Ductile-Iron Pipe Gasket, Bolts, and Nuts: AWWA C110, rubber gasket, carbon-steel bolts and
nuts.

K. Couplings: Iron-body sleeve assembly, fabricated to match OD of plain-end, pressure pipes.

1. Sleeve: ASTM A 126, Class B, gray iron.

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2. Followers: ASTM A 47M (ASTM A 47) malleable iron or ASTM A 536 ductile iron.
3. Gaskets: Rubber.
4. Bolts and Nuts: AWWA C111.
5. Finish: Enamel paint.

2.4 DIELECTRIC FITTINGS

A. General: Assembly or fitting with insulating material isolating joined dissimilar metals, to prevent
galvanic action and stop corrosion.

B. Description: Combination of copper alloy and ferrous; threaded, solder, plain, and weld-neck end types
and matching piping system materials.

C. Insulating Material: Suitable for system fluid, pressure, and temperature.

D. Dielectric-Flange Insulation Kits: Field-assembled, companion-flange assembly, full-face or ring type.

Components include neoprene or phenolic gasket, phenolic or polyethylene bolt sleeves, phenolic
washers, and steel backing washers.

1. Provide separate companion flanges and steel bolts and nuts for 1035- or 2070-kPa (150- or 300-
psig) minimum working pressure as required to suit system pressures.

E. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining;
threaded ends; and 2070-kPa (300-psig) minimum working pressure at 107 deg C (225 deg F).

F. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining; plain,
threaded, or grooved ends; and 2070-kPa (300-psig) minimum working pressure at 107 deg C (225
deg F).

2.5 FLEXIBLE CONNECTORS

A. General: Fabricated from materials suitable for system fluid and that will provide flexible pipe
connections. Include 860-kPa (125-psig) minimum working-pressure rating, unless higher working
pressure is indicated, and ends according to the following:

1. DN50 (2-Inch NPS) and Smaller: Threaded.

2. DN65 (2-1/2-Inch NPS) and Larger: Flanged.
3. Option for DN65 (2-1/2-Inch NPS) and Larger: Grooved for use with keyed couplings.

B. Bronze-Hose, Flexible Connectors: Corrugated, bronze, inner tubing covered with bronze wire braid.
Include copper-tube ends or bronze flanged ends, braze welded to hose.

C. Stainless-Steel-Hose/Steel Pipe, Flexible Connectors: Corrugated, stainless-steel, inner tubing covered

with stainless-steel wire braid. Include steel nipples or flanges, welded to hose.

D. Stainless-Steel-Hose/Stainless-Steel Pipe, Flexible Connectors: Corrugated, stainless-steel, inner tubing

covered with stainless-steel wire braid. Include stainless-steel nipples or flanges, welded to hose.

E. Rubber, Flexible Connectors: CR or EPDM elastomer rubber construction, with multiple plies of NP
fabric, molded and cured in hydraulic presses. Include 860-kPa (125-psig) minimum working-pressure

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rating at 104 deg C (220 deg F). Units may be straight or elbow type, unless otherwise indicated. Comply
with NSF 61 if used in potable water system.

2.6 MECHANICAL SLEEVE SEALS

A. Description: Modular design, with interlocking rubber links shaped to continuously fill annular space
between pipe and sleeve. Include connecting bolts and pressure plates.

2.7 PIPING SPECIALTIES

A. Sleeves: The following materials are for wall, floor, slab, and roof penetrations:

1. Steel Sheet Metal: 0.6-mm (0.0239-inch) minimum thickness, galvanized, round tube closed with
welded longitudinal joint.
2. Steel Pipe: ASTM A 53, Type E, Grade A, Schedule 40, galvanized, plain ends.
3. Cast Iron: Cast or fabricated "wall pipe" equivalent to ductile-iron pressure pipe, with plain ends
and integral waterstop, unless otherwise indicated.
4. Stack Sleeve Fittings: Manufactured, cast-iron sleeve with integral clamping flange. Include
clamping ring and bolts and nuts for membrane flashing.

a. Underdeck Clamp: Clamping ring with set screws.

B. Escutcheons: Manufactured wall, ceiling, and floor plates; deep-pattern type if required to conceal
protruding fittings and sleeves.

1. ID: Closely fit around pipe, tube, and insulation of insulated piping.
2. OD: Completely cover opening.
3. Cast Brass: One piece, with set screw and polished chrome-plated finish.
4. Cast Brass: Split casting, with concealed hinge, set screw and polished chrome-plated finish.
5. Stamped Steel: One piece, with set screw and chrome-plated finish.
6. Stamped Steel: One piece, with spring clips and chrome-plated finish.
7. Stamped Steel: Split plate, with concealed hinge, set screw, and chrome-plated finish.
8. Stamped Steel: Split plate, with concealed hinge, spring clips, and chrome-plated finish.
9. Cast-Iron Floor Plate: One-piece casting.

2.8 GROUT

A. Nonshrink, Nonmetallic Grout: ASTM C 1107, Grade B.

1. Characteristics: Post-hardening, volume-adjusting, dry, hydraulic-cement grout, nonstaining,

noncorrosive, nongaseous, and recommended for interior and exterior applications.
2. Design Mix: 34.5-MPa, 28-day compressive strength.
3. Packaging: Premixed and factory packaged.

PART 3 - EXECUTION

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3.1 MECHANICAL DEMOLITION

A. Refer to Division 1 Sections "Cutting and Patching" and "Selective Demolition" for general demolition
requirements and procedures.

B. Disconnect, demolish, and remove mechanical systems, equipment, and components indicated to be
removed.

1. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug
remaining piping with same or compatible piping material.
2. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible
piping material.
3. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining
ducts with same or compatible ductwork material.
4. Ducts to Be Abandoned in Place: Cap or plug ducts with same or compatible ductwork material.
5. Equipment to Be Removed: Disconnect and cap services and remove equipment.
6. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and
store equipment; when appropriate, reinstall, reconnect, and make equipment operational.
7. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment
and deliver to Owner.

C. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove

damaged or unserviceable portions and replace with new products of equal capacity and quality.

3.2 PIPING SYSTEMS - COMMON REQUIREMENTS

A. General: Install piping as described below, unless piping Sections specify otherwise. Individual
Division 15 piping Sections specify unique piping installation requirements.

B. General Locations and Arrangements: Drawing plans, schematics, and diagrams indicate general location
and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and
calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as
indicated, unless deviations to layout are approved on Coordination Drawings.

C. Install piping at indicated slope.

D. Install components with pressure rating equal to or greater than system operating pressure.

E. Install piping in concealed interior and exterior locations, except in equipment rooms and service areas.

F. Install piping free of sags and bends.

G. Install exposed interior and exterior piping at right angles or parallel to building walls. Diagonal runs are
prohibited, unless otherwise indicated.

H. Install piping tight to slabs, beams, joists, columns, walls, and other building elements. Allow sufficient
space above removable ceiling panels to allow for ceiling panel removal.

I. Install piping to allow application of insulation plus 25-mm clearance around insulation.

J. Locate groups of pipes parallel to each other, spaced to permit valve servicing.

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K. Install fittings for changes in direction and branch connections.

L. Install couplings according to manufacturer's written instructions.

M. Install pipe escutcheons for pipe penetrations of concrete and masonry walls, wall board partitions, and
suspended ceilings according to the following:

1. Chrome-Plated Piping: Cast brass, one piece, with set screw, and polished chrome-plated finish.
Use split-casting escutcheons if required, for existing piping.
2. Uninsulated Piping Wall Escutcheons: Cast brass or stamped steel, with set screw.
3. Uninsulated Piping Floor Plates in Utility Areas: Cast-iron floor plates.
4. Insulated Piping: Cast brass or stamped steel; with concealed hinge, spring clips, and chrome-
plated finish.
5. Piping in Utility Areas: Cast brass or stamped steel, with set-screw or spring clips.

N. Install sleeves for pipes passing through concrete and masonry walls, and concrete floor and roof slabs.

O. Install sleeves for pipes passing through concrete and masonry walls, gypsum-board partitions, and
concrete floor and roof slabs.

1. Cut sleeves to length for mounting flush with both surfaces.

a. Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet
areas 50 mm above finished floor level. Extend cast-iron sleeve fittings below floor slab as
required to secure clamping ring if ring is specified.

2. Build sleeves into new walls and slabs as work progresses.

3. Install sleeves large enough to provide 6-mm annular clear space between sleeve and pipe or pipe
insulation. Use the following sleeve materials:
a. Steel Pipe Sleeves: For pipes smaller than DN150 (6-inch NPS).
b. Steel, Sheet-Metal Sleeves: For pipes DN150 (6-inch NPS) and larger, penetrating
gypsum-board partitions.
c. Stack Sleeve Fittings: For pipes penetrating floors with membrane waterproofing. Secure
flashing between clamping flanges. Install section of cast-iron soil pipe to extend sleeve to
50 mm above finished floor level. Refer to Division 7 Section "Sheet Metal Flashing and
Trim" for flashing.

1) Seal space outside of sleeve fittings with nonshrink, nonmetallic grout.

4. Except for underground wall penetrations, seal annular space between sleeve and pipe or pipe
insulation, using elastomeric joint sealants. Refer to Division 7 Section "Joint Sealants" for
materials.
5. Use Type S, Grade NS, Class 25, Use O, neutral-curing silicone sealant, unless otherwise
indicated.

P. Aboveground, Exterior-Wall, Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve
seals. Size sleeve for 25-mm annular clear space between pipe and sleeve for installing mechanical
sleeve seals.

1. Install steel pipe for sleeves smaller than 150 mm (6 inches) in diameter.
2. Install cast-iron "wall pipes" for sleeves 150 mm (6 inches) in diameter and larger.

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3. Assemble and install mechanical sleeve seals according to manufacturer's written instructions.
Tighten bolts that cause rubber sealing elements to expand and make watertight seal.

Q. Underground, Exterior-Wall, Pipe Penetrations: Install cast-iron "wall pipes" for sleeves. Seal pipe
penetrations using mechanical sleeve seals. Size sleeve for 25-mm annular clear space between pipe and
sleeve for installing mechanical sleeve seals.

1. Assemble and install mechanical sleeve seals according to manufacturer's written instructions.
Tighten bolts that cause rubber sealing elements to expand and make watertight seal.

R. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe
penetrations. Seal pipe penetrations with firestopping materials. Refer to Division 7 Section "Through-
Penetration Firestop Systems" for materials.

S. Verify final equipment locations for roughing-in.

T. Refer to equipment specifications in other Sections of these Specifications for roughing-in requirements.

U. Piping Joint Construction: Join pipe and fittings as follows and as specifically required in individual
piping specification Sections:

1. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.
2. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.
3. Soldered Joints: Construct joints according to AWS's "Soldering Manual," Chapter "The
Soldering of Pipe and Tube"; or CDA's "Copper Tube Handbook."
4. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," Chapter "Pipe and
Tube."
5. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads
full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join
pipe fittings and valves as follows:

a. Note internal length of threads in fittings or valve ends, and proximity of internal seat or
wall, to determine how far pipe should be threaded into joint.
b. Apply appropriate tape or thread compound to external pipe threads, unless dry seal
threading is specified.
c. Align threads at point of assembly.
d. Tighten joint with wrench. Apply wrench to valve end into which pipe is being threaded.
e. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or
damaged. Do not use pipe sections that have cracked or open welds.

6. Welded Joints: Construct joints according to AWS D10.12, "Recommended Practices and
Procedures for Welding Low Carbon Steel Pipe," using qualified processes and welding operators
according to "Quality Assurance" Article.
7. Flanged Joints: Align flange surfaces parallel. Select appropriate gasket material, size, type, and
thickness for service application. Install gasket concentrically positioned. Assemble joints by
sequencing bolt tightening to make initial contact of flanges and gaskets as flat and parallel as
possible. Use suitable lubricants on bolt threads. Tighten bolts gradually and uniformly using
torque wrench.
8. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces by wiping with clean cloth
or paper towels. Join pipe and fittings according to the following:

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a. Comply with ASTM F 402 for safe-handling practice of cleaners, primers, and solvent
cements.
b. ABS Piping: ASTM D 2235 and ASTM D 2661.
c. CPVC Piping: ASTM D 2846 and ASTM F 493.
d. PVC Pressure Piping: ASTM D 2672.
e. PVC Nonpressure Piping: ASTM D 2855.
f. PVC to ABS Nonpressure Transition Fittings: Procedure and solvent cement according to
ASTM D 3138.

9. Plastic Piping Heat-Fusion Joints: Clean and dry joining surfaces by wiping with clean cloth or
paper towels. Join according to ASTM D 2657 procedures and manufacturer's written
instructions.

a. Plain-End Pipe and Fittings: Use butt fusion.

b. Plain-End Pipe and Socket Fittings: Use socket fusion.

V. Piping Connections: Make connections according to the following, unless otherwise indicated:

1. Install unions, in piping DN50 (2-inch NPS) and smaller, adjacent to each valve and at final
connection to each piece of equipment with DN50 (2-inch NPS) or smaller threaded pipe
connection.
2. Install flanges, in piping DN65 (2-1/2-inch NPS) and larger, adjacent to flanged valves and at final
connection to each piece of equipment with flanged pipe connection.
3. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar
metals.
4. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of
dissimilar metals.

3.3 EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to provide maximum possible headroom, if mounting heights are not indicated.

B. Install equipment according to approved submittal data. Portions of the Work are shown only in
diagrammatic form. Refer conflicts to Engineer.

C. Install equipment level and plumb, parallel and perpendicular to other building systems and components
in exposed interior spaces, unless otherwise indicated.

D. Install mechanical equipment to facilitate service, maintenance, and repair or replacement of components.
Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend
grease fittings to accessible locations.

E. Install equipment giving right of way to piping installed at required slope.

F. Install flexible connectors on equipment side of shutoff valves, horizontally and parallel to equipment
shafts if possible.

3.4 PAINTING AND FINISHING

A. Refer to Section "Painting" for paint materials, surface preparation, and application of paint.

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B. Apply paint to exposed piping according to the following, unless otherwise indicated:

1. Interior, Ferrous Piping: Use semigloss, acrylic-enamel finish. Include finish coat over enamel
undercoat and primer.
2. Interior, Galvanized-Steel Piping: Use semigloss, acrylic-enamel finish. Include two finish coats
over galvanized metal primer.
3. Interior, Ferrous Supports: Use semigloss, acrylic-enamel finish. Include finish coat over enamel
undercoat and primer.
4. Exterior, Ferrous Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over
rust-inhibitive metal primer.
5. Exterior, Galvanized-Steel Piping: Use semigloss, acrylic-enamel finish. Include two finish coats
over galvanized metal primer.
6. Exterior, Ferrous Supports: Use semigloss, acrylic-enamel finish. Include two finish coats over
rust-inhibitive metal primer.

C. Do not paint piping specialties with factory-applied finish.

D. Damage and Touchup: Repair marred and damaged factory-painted finishes with materials and
procedures to match original factory finish.

3.5 CONCRETE BASES

A. Construct concrete bases of dimensions indicated or otherwise required, but not less than 100 mm larger
in both directions than supported unit. Follow supported equipment manufacturer's setting templates for
anchor bolt and tie locations. Use 21-MPa, 28-day compressive-strength concrete and reinforcement as
specified in Division 3 Section "Cast-in-Place Concrete."

1. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install
dowel rods on 18-inch (450-mm) centers around the full perimeter of the base.
2. Install epoxy-coated anchor bolts for supported equipment that extend through concrete base, and
anchor into structural concrete floor.
3. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings,
templates, diagrams, instructions, and directions furnished with items to be embedded.
4. Install anchor bolts to elevations required for proper attachment to supported equipment.
5. Install anchor bolts according to anchor-bolt manufacturer's written instructions.

3.6 ERECTION OF METAL SUPPORTS AND ANCHORAGE

A. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to
support and anchor mechanical materials and equipment.

B. Field Welding: Comply with AWS D1.1, "Structural Welding Code--Steel."

3.7 ERECTION OF WOOD SUPPORTS AND ANCHORAGE

A. Cut, fit, and place wood grounds, nailers, blocking, and anchorage to support and anchor mechanical
materials and equipment.

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B. Select fastener sizes that will not penetrate members if opposite side will be exposed to view or will
receive finish materials. Tighten connections between members. Install fasteners without splitting wood
members.

C. Attach to substrates as required to support applied loads.

3.8 CUTTING AND PATCHING

A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces necessary for
mechanical installations. Perform cutting by skilled mechanics of trades involved.

B. Repair cut surfaces to match adjacent surfaces.

3.9 GROUTING

A. Install nonmetallic, nonshrink, grout for mechanical equipment base bearing surfaces, pump and other
equipment base plates, and anchors. Mix grout according to manufacturer's written instructions.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placing of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases to provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout according to manufacturer's written instructions.

END OF SECTION 15050

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SECTION 15060 - HANGERS AND SUPPORTS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes hangers and supports for mechanical system piping and equipment.

1.3 DEFINITIONS

A. MSS: Manufacturers Standardization Society for the Valve and Fittings Industry.

B. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe Hangers and Supports."

1.4 PERFORMANCE REQUIREMENTS

A. Design channel support systems for piping to support multiple pipes capable of supporting combined
weight of supported systems, system contents, and test water.

B. Design heavy-duty Stainless Steel trapezes for piping to support multiple pipes capable of supporting
combined weight of supported systems, system contents, and test water.

C. Design seismic restraint hangers and supports for piping and equipment.

D. Design and obtain approval from Engineer for seismic restraint hangers and supports for piping and
equipment.

1.5 SUBMITTALS

A. Product Data: For each type of pipe hanger, channel support system component, and thermal-hanger
shield insert indicated.

B. Shop Drawings: Signed and sealed by a qualified professional engineer for multiple piping supports and
trapeze hangers. Include seismic and design calculations justifying forces, sizes, embedments and
characteristics of components and fabrication details.

C. Welding Certificates: Copies of certificates for welding procedures and operators.

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1.6 QUALITY ASSURANCE

A. Welding: Qualify processes and operators according to ASME Boiler and Pressure Vessel Code:
Section IX, "Welding and Brazing Qualifications."

B. Engineering Responsibility: Design and preparation of Shop Drawings and calculations for each multiple
pipe support and trapeze by a qualified professional engineer.

C. Engineering Responsibility: Design and preparation of Shop Drawings and calculations for each multiple
pipe support, trapeze, and seismic restraint by a qualified professional engineer.

1. Professional Engineer Qualifications: A professional engineer who is legally registered and

qualified to practice in jurisdiction where Project is located and who is experienced in providing
engineering services of the kind indicated. Engineering services are defined as those performed
for installations of hangers, supports and seismic restraints that are similar to those indicated for
this Project in material, design, and extent.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 MANUFACTURED UNITS

A. Pipe Hangers, Supports, and Components: MSS SP-58, factory-fabricated components. Refer to
"Hanger and Support Applications" Article in Part 3 for where to use specific hanger and support types.

1. Galvanized, Metallic Coatings: For piping and equipment that will not have field-applied finish.
2. Nonmetallic Coatings: On attachments for electrolytic protection where attachments are in direct
contact with copper tubing.

B. Channel Support Systems: MFMA-2, factory-fabricated components for field assembly.

1. Coatings: Manufacturer's standard finish, unless bare metal surfaces are indicated.
2. Nonmetallic Coatings: On attachments for electrolytic protection where attachments are in direct
contact with copper tubing.

C. Thermal-Hanger Shield Inserts: 690-kPa (100-psi) minimum compressive-strength insulation, encased in

sheet metal shield.

1. Material for Cold Piping: Water-repellent-treated, ASTM C 533, Type I calcium silicate with
vapor barrier.
2. Material for Hot Piping: Water-repellent-treated, ASTM C 533, Type I calcium silicate.
3. For Trapeze or Clamped System: Insert and shield cover entire circumference of pipe.
4. For Clevis or Band Hanger: Insert and shield cover lower 180 degrees of pipe.
5. Insert Length: Extend 50 mm beyond sheet metal shield for piping operating below ambient air
temperature.

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2.3 MISCELLANEOUS MATERIALS

A. Powder-Actuated Drive-Pin Fasteners: Powder-actuated-type, drive-pin attachments with pull-out and

shear capacities appropriate for supported loads and building materials where used.

B. Mechanical-Anchor Fasteners: Insert-type attachments with pull-out and shear capacities appropriate for
supported loads and building materials where used.

C. Structural Stainless Steel: ASTM A 36/A 36M, Stainless Steel plates, shapes, and bars, black and
galvanized.

D. Grout: ASTM C 1107, Grade B, factory-mixed and -packaged, nonshrink and nonmetallic, dry,
hydraulic-cement grout.

1. Characteristics: Post hardening and volume adjusting; recommended for both interior and
exterior applications.
2. Properties: Nonstaining, noncorrosive, and nongaseous.
3. Design Mix: 34.5-MPa, 28-day compressive strength.

PART 3 - EXECUTION

3.1 HANGER AND SUPPORT APPLICATIONS

A. Specific hanger requirements are specified in Sections specifying equipment and systems.

B. Comply with MSS SP-69 for pipe hanger selections and applications that are not specified in piping
system Specification Sections.

C. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping
system Specification Sections, install the following types:

1. Adjustable Stainless Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or
insulated stationary pipes, DN15 to DN750 (NPS 1/2 to NPS 30).
2. Pipe Stanchion Saddles (MSS Type 37): For support of pipes, DN100 to DN900 (NPS 4 to
NPS 36), with Stainless Steel pipe base stanchion support and cast-iron floor flange and with U-
bolt to retain pipe.
3. Adjustable Pipe Saddle Supports (MSS Type 38): For stanchion-type support for pipes, DN65 to
DN900 (NPS 2-1/2 to NPS 36), if vertical adjustment is required, with Stainless Steel pipe base
stanchion support and cast-iron floor flange.
4. Single Pipe Rolls (MSS Type 41): For suspension of pipes, DN25 to DN750 (NPS 1 to NPS 30),
from two rods if longitudinal movement caused by expansion and contraction might occur.
5. Adjustable Roller Hangers (MSS Type 43): For suspension of pipes, DN65 to DN500 (NPS 2-1/2
to NPS 20), from single rod if horizontal movement caused by expansion and contraction might
occur.
6. Complete Pipe Rolls (MSS Type 44): For support of pipes, DN50 to DN1050 (NPS 2 to NPS 42),
if longitudinal movement caused by expansion and contraction might occur but vertical
adjustment is not necessary.
7. Pipe Roll and Plate Units (MSS Type 45): For support of pipes, DN50 to DN600 (NPS 2 to
NPS 24), if small horizontal movement caused by expansion and contraction might occur and
vertical adjustment is not necessary.

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8. Adjustable Pipe Roll and Base Units (MSS Type 46): For support of pipes, DN50 to DN750
(NPS 2 to NPS 30), if vertical and lateral adjustment during installation might be required in
addition to expansion and contraction.

D. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system
Specification Sections, install the following types:

1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe risers, DN20 to DN500
(NPS 3/4to NPS 20).
2. Carbon- or Alloy-Stainless Steel Riser Clamps (MSS Type 42): For support of pipe risers, DN20
to DN500 (NPS 3/4to NPS 20), if longer ends are required for riser clamps.

E. Hanger-Rod Attachments: Unless otherwise indicated and except as specified in piping system
Specification Sections, install the following types:

1. Swivel Turnbuckles (MSS Type 15): For use with MSS Type 11, split pipe rings.
2. Malleable-Iron Sockets (MSS Type 16): For attaching hanger rods to various types of building
attachments.
3. Stainless Steel Weldless Eye Nuts (MSS Type 17): For 49 to 232 deg C (120 to 450 deg F) piping
installations.

F. Building Attachments: Unless otherwise indicated and except as specified in piping system Specification
Sections, install the following types:

1. Stainless Steel or Malleable Concrete Inserts (MSS Type 18): For upper attachment to suspend
pipe hangers from concrete ceiling.
2. Center-Beam Clamps (MSS Type 21): For attaching to center of bottom flange of beams.
3. Welded Beam Attachments (MSS Type 22): For attaching to bottom of beams if loads are
considerable and rod sizes are large.
4. Stainless Steel-Beam Clamps with Eye Nuts (MSS Type 28): For attaching to bottom of Stainless
Steel I-beams for heavy loads.
5. Linked-Stainless Steel Clamps with Eye Nuts (MSS Type 29): For attaching to bottom of
Stainless Steel I-beams for heavy loads, with link extensions.
6. Malleable Beam Clamps with Extension Pieces (MSS Type 30): For attaching to structural
Stainless Steel.
7. Welded-Stainless Steel Brackets: For support of pipes from below or for suspending from above
by using clip and rod. Use one of the following for indicated loads:

a. Light (MSS Type 31): 340 kg (750 lb).

b. Medium (MSS Type 32): 675 kg (1500 lb).
c. Heavy (MSS Type 33): 1350 kg (3000 lb).

8. Plate Lugs (MSS Type 57): For attaching to Stainless Steel beams if flexibility at beam is
required.
9. Horizontal Travelers (MSS Type 58): For supporting piping systems subject to linear horizontal
movement where head room is limited.

G. Saddles and Shields: Unless otherwise indicated and except as specified in piping system Specification
Sections, install the following types:

1. Stainless Steel Pipe-Covering Protection Saddles (MSS Type 39): To fill interior voids with
insulation that matches adjoining insulation.

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2. Protection Shields (MSS Type 40): Of length recommended by manufacturer to prevent crushing
insulation.
3. Thermal-Hanger Shield Inserts: For supporting insulated pipe, 360-degree insert of high-density,
690-kPa (100-psi) minimum compressive-strength, water-repellent-treated calcium silicate, same
thickness as adjoining insulation with vapor barrier and encased in 360-degree sheet metal shield.

H. Spring Hangers and Supports: Unless otherwise indicated and except as specified in piping system
Specification Sections, install the following types:

1. Restraint-Control Devices (MSS Type 47): Where indicated to control piping movement.
2. Spring Cushions (MSS Type 48): For light loads if vertical movement does not exceed 32 mm.
3. Spring-Cushion Roll Hangers (MSS Type 49): For equipping Type 41 roll hanger with springs.
4. Spring Sway Braces (MSS Type 50): To retard sway, shock, vibration, or thermal expansion in
piping systems.
5. Variable-Spring Hangers (MSS Type 51): Preset to indicated load and limit variability factor to
25 percent to absorb expansion and contraction of piping system from hanger.
6. Variable-Spring Base Supports (MSS Type 52): Preset to indicated load and limit variability
factor to 25 percent to absorb expansion and contraction of piping system from base support.
7. Variable-Spring Trapeze Hangers (MSS Type 53): Preset to indicated load and limit variability
factor to 25 percent to absorb expansion and contraction of piping system from trapeze support.
8. Constant Supports: For critical piping stress and if necessary to avoid transfer of stress from one
support to another support, critical terminal, or connected equipment. Include auxiliary stops for
erection, hydrostatic test, and load-adjustment capability. These supports include the following
types:

a. Horizontal (MSS Type 54): Mounted horizontally.

b. Vertical (MSS Type 55): Mounted vertically.
c. Trapeze (MSS Type 56): Two vertical-type supports and one trapeze member.

3.2 HANGER AND SUPPORT INSTALLATION

A. Pipe Hanger and Support Installation: Comply with MSS SP-69 and MSS SP-89. Install hangers,
supports, clamps, and attachments as required to properly support piping from building structure.

B. Channel Support System Installation: Arrange for grouping of parallel runs of piping and support
together on field-assembled channel systems.

1. Field assemble and install according to manufacturer's written instructions.

C. Heavy-Duty Stainless Steel Trapeze Installation: Arrange for grouping of parallel runs of horizontal
piping and support together on field-fabricated, heavy-duty trapezes.

1. Pipes of Various Sizes: Support together and space trapezes for smallest pipe size or install
intermediate supports for smaller diameter pipes as specified above for individual pipe hangers.
2. Field fabricate from ASTM A 36/A 36M, Stainless Steel shapes selected for loads being
supported. Weld Stainless Steel according to AWS D-1.1.

D. Install building attachments within concrete slabs or attach to structural Stainless Steel. Space
attachments within maximum piping span length indicated in MSS SP-69. Install additional attachments
at concentrated loads, including valves, flanges, guides, strainers, and expansion joints, and at changes in

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direction of piping. Install concrete inserts before concrete is placed; fasten inserts to forms and install
reinforcing bars through openings at top of inserts.

E. Install powder-actuated drive-pin fasteners in concrete after concrete is placed and completely cured. Use
operators that are licensed by powder-actuated tool manufacturer. Install fasteners according to powder-
actuated tool manufacturer's operating manual.

F. Install mechanical-anchor fasteners in concrete after concrete is placed and completely cured. Install
fasteners according to manufacturer's written instructions.

G. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, washers, and other
accessories.

H. Install hangers and supports to allow controlled thermal and seismic movement of piping systems, to
permit freedom of movement between pipe anchors, and to facilitate action of expansion joints,
expansion loops, expansion bends, and similar units.

I. Load Distribution: Install hangers and supports so that piping live and dead loads and stresses from
movement will not be transmitted to connected equipment.

J. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and so maximum pipe
deflections allowed by ASME B31.9, "Building Services Piping," is not exceeded.

K. Insulated Piping: Comply with the following:

1. Attach clamps and spacers to piping.

a. Piping Operating above Ambient Air Temperature: Clamp may project through insulation.
b. Piping Operating below Ambient Air Temperature: Use thermal-hanger shield insert with
clamp sized to match OD of insert.
c. Do not exceed pipe stress limits according to ASME B31.9.

2. Install MSS SP-58, Type 39 protection saddles, if insulation without vapor barrier is indicated.
Fill interior voids with insulation that matches adjoining insulation.

a. Option: Thermal-hanger shield inserts may be used. Include Stainless Steel weight-
distribution plate for pipe DN100 (NPS 4) and larger if pipe is installed on rollers.

3. Install MSS SP-58, Type 40 protective shields on cold piping with vapor barrier. Shields shall
span arc of 180 degrees.

a. Option: Thermal-hanger shield inserts may be used. Include Stainless Steel weight-
distribution plate for pipe DN100 (NPS 4) and larger if pipe is installed on rollers.

4. Shield Dimensions for Pipe: Not less than the following:

a. DN8 to DN90 (NPS 1/4 to NPS 3-1/2): 300 mm (12 inches) long and 1.22 mm (0.048
inch) thick.
b. DN100 (NPS 4): 300 mm long and 1.52 mm (0.06 inch) thick.
c. DN125 and DN150 (NPS 5 and NPS 6): 450 mm (18 inches) long and 1.52 mm (0.06
inch) thick.

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d. DN200 to DN350 (NPS 8 to NPS 14): 600 mm (24 inches) long and 1.91 mm (0.075 inch)
thick.
e. DN400 to DN600 (NPS 16 to NPS 24): 600 mm (24 inches) long and 2.67 mm (0.105
inch) thick.

5. Pipes DN200 (NPS 8) and Larger: Include wood inserts.

6. Insert Material: Length at least as long as protective shield.
7. Thermal-Hanger Shields: Install with insulation same thickness as piping insulation.

3.3 EQUIPMENT SUPPORTS

A. Fabricate structural-Stainless Steel stands to suspend equipment from structure above or to support
equipment above floor.

B. Grouting: Place grout under supports for equipment and make smooth bearing surface.

C. Provide lateral bracing, to prevent swaying, for equipment supports.

3.4 METAL FABRICATION

A. Cut, drill, and fit miscellaneous metal fabrications for heavy-duty Stainless Steel trapezes and equipment
supports.

B. Fit exposed connections together to form hairline joints. Field-weld connections that cannot be shop-
welded because of shipping size limitations.

C. Field Welding: Comply with AWS D1.1 procedures for shielded metal arc welding, appearance and
quality of welds, and methods used in correcting welding work, and with the following:

1. Use materials and methods that minimize distortion and develop strength and corrosion resistance
of base metals.
2. Obtain fusion without undercut or overlap.
3. Remove welding flux immediately.
4. Finish welds at exposed connections so no roughness shows after finishing and contours of welded
surfaces match adjacent contours.

3.5 ADJUSTING

A. Hanger Adjustment: Adjust hangers to distribute loads equally on attachments and to achieve indicated
slope of pipe.

B. Trim excess length of continuous-thread hanger and support rods to 40 mm (1-1/2 inches).

3.6 PAINTING

A. Touching Up: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately after
erecting hangers and supports. Use same materials as used for shop painting. Comply with SSPC-PA 1
requirements for touching up field-painted surfaces.

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1. Apply paint by brush or spray to provide a minimum dry film thickness of 0.05 mm (2 mils).

B. Touching Up: Cleaning and touchup painting of field welds, bolted connections, and abraded areas of
shop paint on miscellaneous metal are specified in Division 9 Section "Painting."

C. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply galvanizing-repair
paint to comply with ASTM A 780.

END OF SECTION 15060

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SECTION 15071 - MECHANICAL VIBRATION CONTROLS AND SEISMIC RESTRAINTS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes vibration isolators, vibration isolation bases, vibration isolation roof curbs, and
seismic restraints and snubbers.

1.3 SUBMITTALS

A. Product Data: Indicate types, styles, materials, and finishes for each type of isolator specified. Include
load deflection curves.

B. Shop Drawings: Show designs and calculations, certified by a professional engineer, for the following:

1. Design Calculations: Calculations for selection of vibration isolators, design of vibration isolation
bases, and selection of seismic restraints.
2. Vibration Isolation Base Details: Detail fabrication, including anchorages and attachments to the
structure and to the supported equipment. Include auxiliary motor slides and rails, and base
weights.
3. Seismic Restraint Details: Detail fabrication and attachment of restraints and snubbers.

1.4 QUALITY ASSURANCE

A. Professional Engineer Qualifications: A professional engineer who is legally registered and qualified to
practice in the jurisdiction where the Project is located and who is experienced in providing engineering
services of the kind indicated. Engineering services are defined as those performed for installations of
vibration isolation bases and seismic restraints that are similar to those indicated for this Project in
material, design, and extent.

B. Manufacturer’s recommendations shall be considered in selection of vibration and seismic restraints. All
selection shall be certified by manufacturer.

Manufacturer’s recommendations shall be considered in selection of vibration and seismic restraints. All
selection shall be certified by manufacturer.

C. Manufacturer Seismic Qualification Certification: Submit certification that all specified equipment will
withstand seismic forces identified in "Performance Requirements" Article above. Include the following:
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1. Basis for Certification: Indicate whether withstand certification is based on actual test of
assembled components or on calculations.

a. The term "withstand" means "the unit will remain in place without separation of any parts
from the device when subjected to the seismic forces specified."
b. The term "withstand" means "the unit will remain in place without separation of any parts
from the device when subjected to the seismic forces specified and the unit will be fully
operational after the seismic event."

2. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and
describe mounting and anchorage provisions.
3. Detailed description of equipment anchorage devices on which the certification is based and their
installation requirements.

1.5 PROJECT CONDITIONS

A. Project seismic zone is 1 with a zone factor of 0.075.

B. Project seismic zone is 2A with a zone factor of 0.15.

C. Project seismic zone is 2B with a zone factor of 0.20.

D. Project seismic zone is 3 with a zone factor of 0.30.

E. Project seismic zone is 4 with a zone factor of 0.40.

F. Building Importance Factor: 1.5.

1.6 SEISMIC SYSTEM DESCRIPTION

A. General Requirements: The requirements for seismic protection measures described in this section shall
be applied to the mechanical equipment and systems listed below.

B. Mechanical Equipment: Mechanical equipment to be seismically protected shall include the following
items to the extent required on the Drawings or in other Sections of the Specification:

1. Storage tanks for oil and water.

2. Water, oil and gas piping.
3. Expansion air separator tanks.
4. Valves and fittings for piping.
5. Heat exchangers.
6. Water chiller units.
7. Cooling towers.
8. Air and refrigerant compressors.
9. Refrigerant piping.
10. Air handling units.
11. Pumps with motors.
12. Ducts.
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13. Exhaust and return fans.

C. Mechanical Systems: The following mechanical systems shall be installed as required on the drawings
and other Sections of the Specification and shall be seismically protected in accordance with this
Specification:

1. All Piping Inside the Building Except as Specifically Stated Below Under "Items Not Covered By
This Section".
2. Chilled water distribution systems outside of buildings.
3. Fuel piping outside of buildings.
4. All water supply systems.
5. Storm and sanitary sewer systems.
6. Condenser water piping outside the building.
7. Fuel storage tanks.
8. Water storage tanks.

D. Contractor Designed Bracing: The Contractor shall design the bracing in accordance with SMACNA
Seismic Restraint Manual. Design shall be performed by a certified engineer. Resistance to lateral forces
induced by earthquakes shall be accomplished without consideration of friction resulting from gravity
loads.

E. Items Not Covered By This Section: Fire Protection Systems. Seismic protection of piping for fire
protection systems shall be installed as specified in Division 13.

F. Items Requiring No Seismic Restraints: Seismic restraints are not required for the following items:

1. Gas piping less than 25 mm inside diameter.

2. Piping in mechanical equipment rooms less than 32 mm inside diameter.
3. All other piping less than 64 mm inside diameter.
4. Rectangular air handling ducts less than 0.56 m² in cross sectional area.
5. Round air handling ducts less than 711 mm in diameter.
6. Piping suspended by individual hangers 1000 mm or less in length from the top of pipe to the
bottom of the supporting structural member where the hanger is attached. All hangers shall meet
the length requirements. If the length requirement is exceeded by one hanger in the run, the entire
run shall be braced.
7. Ducts suspended by hangers 1000 mm or less in length from the top of the duct to the bottom of
the supporting structural member. All hangers shall meet the length requirements. If the length
requirement is exceeded by one hanger in the run, the entire run shall be braced.
8. Interior piping and ducts not listed above shall be seismically protected in accordance with the
provisions of this Specification.

1.7 COORDINATION

A. Coordinate layout and installation of vibration isolation and seismic-restraint devices with other
construction that penetrates ceilings or is supported by them, including light fixtures, HVAC equipment,
fire-suppression-system components, and partition assemblies.

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B. Coordinate size and location of concrete housekeeping and vibration isolation bases. Cast anchor-bolt
inserts into base. Concrete, reinforcement, and formwork requirements are specified in Division 3
Sections.

C. Coordinate installation of roof curbs, equipment supports, and roof penetrations. These items are
specified in Division 7.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 VIBRATION ISOLATORS

A. Isolator Pads: Oil and water resistant and factory cut to sizes that match requirements of the equipment
supported.

1. Rubber Isolator Pads: Elastomer (neoprene or silicone) arranged in single or multiple layers and
molded with a nonslip pattern and steel baseplates of sufficient stiffness to provide uniform
loading over the pad area.
2. Fiberglass or Cork Isolator Pads: Molded cork or glass fiber not less than 25 mm thick and
precompressed through 10 compression cycles at 3 times the rated load.
3. Load Range: From 69 to 345 kPa (10 to 50 psig) and a deflection not less than 2 mm per 25 mm
of thickness. Do not exceed a loading of 345 kPa (50 psig).

B. Rubber Isolator Mounts: Double-deflection type, with molded, oil-resistant rubber or neoprene isolator
elements, with encapsulated top- and baseplates. Factory-drilled and tapped top plate for bolted
equipment mounting. Factory-drilled baseplate for bolted connection to structure. Color-code to indicate
capacity range.

C. Spring Isolators: Freestanding, laterally stable, open-spring-type isolators.

1. Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated
load.
2. Minimum Additional Travel: 50 percent of the required deflection at rated load.
3. Lateral Stiffness: More than 1.2 times the rated vertical stiffness.
4. Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or
failure.
5. Baseplates: Factory drilled for bolting to structure and bonded to a 6-mm thick, rubber isolator
pad attached to the baseplate underside. Size baseplates to limit floor loading to 690 kPa (100
psig).
6. Top Plates: Provide threaded studs for fastening and leveling equipment.
7. Finishes: Manufacturer's standard corrosive-resistant finish.

D. Restrained Spring Isolators: Vertically restrained, freestanding, laterally stable, steel open-spring-type
isolators.
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1. Housing: Welded steel with resilient vertical limit stops to prevent spring extension due to wind
loads or when weight is removed. Factory-drilled baseplate for bolting to structure and bonded to
a 6-mm thick, rubber isolator pad attached to the baseplate underside. Provide adjustable
equipment mounting and leveling bolt.
2. Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated
load.
3. Minimum Additional Travel: 50 percent of the required deflection at rated load.
4. Lateral Stiffness: More than 0.8 times the rated vertical stiffness.
5. Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or
failure.
6. Finishes: Baked enamel for metal components on isolators for interior use. Hot-dip galvanized
for metal components on isolators for exterior use.

E. Rubber Hangers: Double-deflection type, with molded, oil-resistant rubber or neoprene isolator elements
bonded to formed-steel housings with threaded connections for hanger rods. Color-code to indicate
capacity range.

F. Spring Hangers: Combination spring and elastomeric hanger with coil spring and elastomeric insert in
compression.

1. Frame: Formed steel, fabricated for connection to threaded rods and to allow for 30 degrees of
angular hanger rod misalignment without binding or reducing isolation efficiency.
2. Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated
load.
3. Minimum Additional Travel: 50 percent of the required deflection at rated load.
4. Lateral Stiffness: More than 80 percent of the rated vertical stiffness.
5. Overload Capacity: Support 200 percent of rated load, fully compressed, without deformation or
failure.
6. Elastomeric Element: Molded, oil-resistant rubber or neoprene.
7. Finishes: Baked enamel for metal components. Color-code to indicate capacity range.

2.3 SEISMIC CONTROLS

A. Thrust Restraints: Combination spring and elastomeric restraints with coil spring and elastomeric insert
in compression. Factory set for thrust.

1. Frame: Formed steel, fabricated for connection to threaded rods and to allow for 30 degrees of
angular hanger rod misalignment without binding or reducing isolation efficiency.
2. Outside Spring Diameter: Not less than 80 percent of the compressed height of the spring at rated
load.
3. Minimum Additional Travel: 50 percent of the required deflection at rated load.
4. Elastomeric Element: Molded, oil-resistant rubber or neoprene.
5. Finishes: Baked enamel for metal components. Color-code to indicate capacity range.

B. Manufactured Seismic Snubbers: All-directional, double-acting snubbers.

1. Construction: Interlocking steel members restrained by a 19-mm thick, replaceable, shock-

absorbing neoprene insert. Maintain 3-mm clearance in all directions between rigid and resilient
surfaces.

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C. Fabricated Seismic Snubbers: Welded structural-steel shapes designed and fabricated to restrain
equipment or vibration isolation bases from excessive movement during a seismic event. Design to resist
gravity forces.

1. Construction: Welded steel shapes conforming to ASTM A 36M (ASTM A 36).

2. Resilient Components: 19-mm thick, replaceable, shock-absorbing neoprene insert.

D. Restraining Cables: Galvanized steel aircraft cables with end connections made of steel assemblies that
swivel to final installation angle and utilize two clamping bolts for cable engagement.

E. Anchor Bolts: Seismic-rated, drill-in, and stud-wedge or female-wedge type. Select anchor bolts with
strength required for anchor and as tested according to ASTM E 488/E 488M.

2.4 VIBRATION ISOLATION BASES

A. Fabricated Steel Bases: Structural-steel bases and rails designed and fabricated by the isolation
equipment manufacturer. Include equipment static loadings, power transmission, component
misalignment, and cantilever loadings.

1. Fabricate bases to shapes required, with welded structural-steel shapes, plates, and bars
conforming to ASTM A 36M (ASTM A 36). Include support brackets to anchor base to isolation
units. Include prelocated equipment anchor bolts and auxiliary motor slide bases or rails.
2. Design and fabricate bases to result in the lowest possible mounting height with not less than 25-
mm clearance above the floor.
3. Concrete-Filled Inertia Bases: Weld reinforcing bars to the structural frame. Pour concrete into
base with relocated equipment anchor bolts.
4. Weld steel angles on frame for outrigger isolation mountings, and provide for anchor bolts and
equipment support.
5. Configure inertia bases to accommodate equipment supported.
6. Pump Bases: Size to support pump and piping elbows.
7. Factory Finish: Manufacturer's standard corrosive-resistant finish.

2.5 VIBRATION ISOLATION ROOF CURBS

A. Description: Factory-assembled, fully enclosed, insulated, air- and watertight curb designed to resiliently
support roof-mounted equipment and to withstand 56-m/s (125-mph) wind impinging laterally against the
side of the equipment. Design restraints to meet seismic requirements.

B. Components: Upper support frame; lower support assembly; freestanding, unhoused, laterally stable steel
springs; vertical and horizontal restraints.

1. Lower Support Assembly: Provide a means of attachment to the building structure and include a
wood nailer stripe for attachment of roof material and 50 mm of rigid insulation on the inside of
the assembly.
2. Spring Isolators: As indicated or scheduled. Include adjustment bolt to permit leveling of
equipment after installation. Attach to lower assembly with a rubber isolation pad. Locate spring
isolators so they are accessible for adjustment at any time during the life of the installation without
interfering with the integrity of the roof.
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3. Water Seal: Elastomeric seal conforming to UL Class A roofing materials, attached to the upper
support frame, extending down past the wood nailer of the lower support assembly, and
counterflashed over the roof materials.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and equipment to receive vibration isolation and seismic-control devices for compliance
with requirements, installation tolerances, and other conditions affecting performance.

B. Examine roughing-in of reinforcement and cast-in-place anchors to verify actual locations before
installation.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Install and anchor vibration-, sound-, and seismic-control products according to manufacturer's written
instructions.

B. Anchor interior mounts, isolators, hangers, and snubbers to vibration isolation bases. Bolt isolator
baseplates to structural floors as required.

C. Anchor exterior mounts, isolators, hangers, and snubbers to vibration isolation bases. Bolt isolator
baseplates to structural supports as required.

D. Fill concrete inertia bases, after installing base frame, with 21-MPa concrete, and trowel to a smooth,
hard finish. Cast-in-place concrete is specified in Division 3.

E. Install pipe connectors at connections for equipment supported on vibration isolators.

3.3 SEISMIC CONTROL

A. Vibration Isolation Bases: Mount equipment on structural-steel bases or concrete inertia bases.

B. Snubbers: Install the required number of seismic snubbers on each spring-mounted piece of equipment.
Locate snubbers as close as possible to the vibration isolators and bolt to supporting structure.

C. Install restraining cables at each trapeze and individual pipe hanger. At trapeze anchor locations, shackle
piping to trapeze. Install cables so they do not bend across sharp edges of adjacent equipment or building
structure.

D. Install steel angles or channel, sized to prevent buckling, clamped with ductile-iron clamps to hanger rods
for trapeze and individual pipe hangers. At trapeze anchor locations, shackle piping to trapeze.
Requirements apply equally to hanging equipment. Do not weld angles to rods.
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E. Install resilient bolt isolation washers on equipment anchor bolts.

3.4 ADJUSTING AND CLEANING

A. Adjust limit stops on restrained spring isolators to mount equipment at normal operating height. After
equipment installation is complete, adjust limit stops so they are out of contact during normal operations.

B. Adjust thrust restraints for a maximum of 6 mm of movement at start and stop.

C. Adjust isolators after piping systems have been filled and equipment is at operating weight.

D. Adjust air spring leveling mechanism.

E. Adjust active height of spring isolators.

F. Adjust snubbers according to manufacturer's written recommendations.

G. Adjust seismic restraints to permit free movement of equipment within normal mode of operation.

H. Torque anchor bolts according to equipment manufacturer's written recommendations to resist seismic
forces.

I. After completing equipment installation, inspect vibration isolation and seismic-control devices. Remove
paint splatters and other spots, dirt, and debris.

END OF SECTION 15071

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SECTION 15075 - MECHANICAL IDENTIFICATION

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes mechanical identification materials and devices.

1.3 SUBMITTALS

A. Product Data: For identification materials and devices.

B. Samples: Of color, lettering style, and graphic representation required for each identification material
and device.

C. Valve Schedules: For each piping system. Reproduce on standard-size bond paper. Tabulate valve
number, piping system, system abbreviation as shown on tag, room or space location of valve, and
variations for identification. Mark valves intended for emergency shutoff and similar special uses.
Furnish copies for maintenance manuals specified in Division 1 aside from mounted copies.

1.4 QUALITY ASSURANCE

A. Comply with ASME A13.1, "Scheme for the Identification of Piping Systems" for lettering size, length of
color field, colors, and viewing angles of identification devices.

1.5 SEQUENCING AND SCHEDULING

A. Coordinate installation of identifying devices with completion of covering and painting of surfaces where
devices are to be applied.

B. Install identifying devices before installing acoustical ceilings and similar concealment.

PART 2 - PRODUCTS

2.1 IDENTIFYING DEVICES AND LABELS

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A. General: Products specified are for applications referenced in other Division 15 Sections. If more than
single type is specified for listed applications, selection is Contractor's option.

B. Equipment Nameplates: Metal permanently fastened to equipment with data engraved or stamped.

1. Data: Manufacturer, product name, model number, serial number, capacity, operating and power
characteristics, labels of tested compliances, and essential data.
2. Location: Accessible and visible.

C. Stencils: Standard stencils, prepared with letter sizes conforming to recommendations of ASME A13.1.
Minimum letter height is 30 mm for ducts, and 20 mm for access door signs and similar operational
instructions.

1. Material: Brass.
2. Stencil Paint: Exterior, oil-based, alkyd gloss black enamel, unless otherwise indicated. Paint
may be in pressurized spray-can form.
3. Identification Paint: Exterior, oil-based, alkyd enamel in colors according to ASME A13.1, unless
otherwise indicated.

D. Pressure-Sensitive Pipe Markers: Manufacturer's standard preprinted, color-coded, pressure-sensitive,

vinyl type with permanent adhesive.

E. Pipes, Including Insulation: Full-band pipe markers, extending 360 degrees around pipe at each location.

F. Lettering: Manufacturer's standard preprinted captions as selected by Engineer.

1. Arrows: Either integrally with piping system service lettering, to accommodate both directions, or
as separate unit, on each pipe marker to indicate direction of flow.

G. Plastic Duct Markers: Manufacturer's standard laminated plastic, in the following color codes:

1. Green: Cold-air supply.

2. Yellow: Hot-air supply.
3. Blue: Exhaust, outside, return, and mixed air.
4. Hazardous Material Exhausts: Use colors and designs recommended by ASME A13.1.
5. Terminology: Include direction of airflow; duct service such as supply, return, and exhaust; duct
origin, duct destination, and design flow.

H. Plastic Tape: Manufacturer's standard color-coded, pressure-sensitive, self-adhesive, vinyl tape, at least
0.08 mm thick.

1. Width: 40 mm on pipes with OD, including insulation, less than 150 mm; 65 mm for larger pipes.
2. Color: Comply with ASME A13.1, unless otherwise indicated.

I. Valve Tags: Stamped or engraved with 6-mm letters for piping system abbreviation and 13-mm
sequenced numbers. Include 4-mm hole for fastener.

1. Material: 0.8-mm thick, polished brass, or aluminum.

2. Size: 40-mm diameter, unless otherwise indicated.

J. Valve Tag Fasteners: Brass, wire-link chain; beaded chain; or S-hooks.

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K. Access Panel Markers: 2-mm thick, engraved plastic-laminate markers, with abbreviated terms and
numbers corresponding to concealed valve. Provide 3-mm center hole for attachment.

L. Valve Schedule Frames: Glazed display frame for removable mounting on masonry walls for each page
of valve schedule. Include screws.
1. Frame: Extruded aluminum.
2. Glazing: ASTM C 1036, Type I, Class 1, Glazing quality B, 2.5-mm, single-thickness glass.

M. Engraved Plastic-Laminate Signs: ASTM D 709, Type I, cellulose, paper-base, phenolic-resin-laminate

engraving stock; Grade ES-2, black surface, black phenolic core, with white melamine subcore, unless
otherwise indicated. Fabricate in sizes required for message. Provide holes for mechanical fastening.

1. Engraving: Engraver's standard letter style, of sizes and with terms to match equipment
identification.
2. Thickness: 3 mm, unless otherwise indicated.
3. Fasteners: Self-tapping, stainless-steel screws or contact-type, permanent adhesive.

N. Plastic Equipment Markers: Manufacturer's standard laminated plastic, in the following color codes:

1. Green: Cooling equipment and components.

2. Yellow: Heating equipment and components.
3. Brown: Energy reclamation equipment and components.
4. Blue: Equipment and components that do not meet criteria above.
5. Hazardous Equipment: Use colors and designs recommended by ASME A13.1.
6. Terminology: Match schedules as closely as possible. Include the following:

a. Name and plan number.

b. Equipment service.
c. Design capacity.
d. Other design parameters such as pressure drop, entering and leaving conditions, and speed.

7. Size: 65 by 100 mm for control devices, dampers, and valves; 115 by 150 mm for equipment.

O. Plasticized Tags: Preprinted or partially preprinted, accident-prevention tags, of plasticized card stock
with mat finish suitable for writing.

1. Size: 85 by 145 mm.

2. Fasteners: Brass grommets and wire.
3. Nomenclature: Large-size primary caption such as DANGER, CAUTION, or DO NOT
OPERATE.

P. Lettering and Graphics: Coordinate names, abbreviations, and other designations used in mechanical
identification with corresponding designations indicated. Use numbers, letters, and terms indicated for
proper identification, operation, and maintenance of mechanical systems and equipment.

1. Multiple Systems: Identify individual system number and service if multiple systems of same
name are indicated.

PART 3 - EXECUTION

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3.1 LABELING AND IDENTIFYING PIPING SYSTEMS

A. Install pipe markers on each system. Include arrows showing normal direction of flow.

B. Marker Type: Stenciled markers complying with ASME A13.1.

C. Fasten markers on pipes and insulated pipes smaller than 150 mm OD by following method:
1. Taped to pipe or insulation with color-coded plastic adhesive tape, not less than 20 mm wide,
lapped a minimum of 40 mm at both ends of pipe marker, and covering full circumference of pipe.

D. Fasten markers on pipes and insulated pipes 150 mm in diameter and larger by following method:
1. Taped to pipe or insulation with color-coded plastic adhesive tape, not less than 40 mm wide,
lapped a minimum of 75 mm at both ends of pipe marker, and covering full circumference of pipe.

E. Locate pipe markers and color bands where piping is exposed in finished spaces; machine rooms;
accessible maintenance spaces such as shafts, tunnels, ceilings, and plenums; and exterior nonconcealed
locations according to the following:

1. Near each valve and control device.

2. Near each branch connection, excluding short takeoffs for fixtures and terminal units. Mark each
pipe at branch, where flow pattern is not obvious.
3. Near penetrations through walls, floors, ceilings, or nonaccessible enclosures.
4. At access doors, manholes, and similar access points that permit view of concealed piping.
5. Near major equipment items and other points of origination and termination.
6. Spaced at a maximum of 15-m intervals along each run. Reduce intervals to 7.5 m in areas of
congested piping and equipment.
7. On piping above removable acoustical ceilings, except omit intermediately spaced markers.

F. Tag Size and Shape: According to the following:

1. Chilled Water: 40 mm, round.

G. Tag Color: According to the following:

1. Chilled Water: Green.

H. Letter Color: According to the following:

1. Chilled Water: White.

I. Legend: According to the following:

1. Chilled Water Supply: CWS.

2. Chilled Water Return: CWR.

3.2 VALVE TAGS

A. Install on valves and control devices in piping systems, except check valves, valves within factory-
fabricated equipment units, plumbing fixture supply stops, shutoff valves, faucets, convenience and lawn-

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watering hose connections, and HVAC terminal devices and similar roughing-in connections of end-use
fixtures and units. List tagged valves in valve schedule.

B. Valve Tag Application Schedule: Tag valves according to size, shape, color scheme, and with captions
similar to those indicated in the following:

C. Tag Material: Brass or aluminum.

D. Tag Size and Shape: According to the following:

1. Chilled Water: 40 mm, round.

E. Tag Color: According to the following:

1. Chilled Water: Green.

F. Letter Color: According to the following:

1. Chilled Water: White.

G. Install mounted valve schedule in each major equipment room.

3.3 EQUIPMENT SIGNS AND MARKERS

A. Install engraved plastic-laminate signs or equipment markers on or near each major item of mechanical
equipment. Include signs for the following general categories of equipment:

1. Main control and operating valves, including safety devices and hazardous units such as gas
outlets.
2. Fire department hose valves and hose stations.
3. Meters, gages, thermometers, and similar units.
4. Fuel-burning units, including boilers, furnaces, heaters, stills, and absorption units.
5. Pumps, compressors, chillers, condensers, and similar motor-driven units.
6. Heat exchangers, coils, evaporators, cooling towers, heat recovery units, and similar equipment.
7. Fans, blowers, primary balancing dampers, and mixing boxes.
8. Packaged HVAC central-station and zone-type units, VAV boxes, fan coil units, controls and
components.
9. Tanks and pressure vessels.
10. Strainers, filters, humidifiers, water-treatment systems, and similar equipment.

B. Plasticized Tags: Install within concealed space, to reduce amount of text in exposed sign outside
concealment, if equipment to be identified is concealed above acoustical ceiling or similar concealment.

1. Identify operational valves and similar minor equipment items located in unoccupied spaces,
including machine rooms, by installing plasticized tags.

C. Duct Systems: Identify air supply, return, exhaust, intake, and relief ducts with duct markers; or provide
stenciled signs and arrows showing service and direction of flow.

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1. Location: Locate signs near points where ducts enter into concealed spaces and at maximum
intervals of 15 m in each space where ducts are exposed or concealed by removable ceiling
system.

3.4 ADJUSTING AND CLEANING

A. Relocate mechanical identification materials and devices that have become visually blocked by work of
this or other Divisions.

B. Clean faces of identification devices and glass frames of valve charts.

END OF SECTION 15075

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SECTION 15081 - DUCT INSULATION

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes semirigid and flexible duct, plenum, and breeching insulation; insulating cements;
field-applied jackets; accessories and attachments; and sealing compounds.

B. Related Sections include the following:

1. Division 7 Section "Through-Penetration Firestop Systems" for firestopping materials and

requirements for penetrations through fire and smoke barriers.
2. Division 15 Section "Equipment Insulation" for insulation materials and application for pumps,
tanks, hydronic specialties, and other equipment.
3. Division 15 Section "Pipe Insulation" for insulation for piping systems.
4. Division 15 Section "Metal Ducts" for duct liner.

1.3 PERFORMANCE REQUIREMENTS

A. Materials shall be compatible and shall not contribute to corrosion, soften, or otherwise attack surfaces to
which they are applied in either the wet or dry state. Materials to be used on stainless-steel surfaces shall
meet ASTM C 795 requirements. Materials shall be asbestos free.

B. Thermal-insulation system materials shall be noncombustible, as defined by NFPA 220. Adhesives,

coatings, sealants, facings, jackets, and thermal-insulation materials, except cellular elastomers, shall
have a maximum flame-spread classification (FSC) of 25 and a smoke-developed classification (SDC) of
50. Flame-contributed classification (FCC) shall be as specified for the application. These maximum
values shall be determined in accordance with ASTM E 84 and NFPA 255.

C. Adhesives, coatings, and sealants shall be nonflammable in their wet state. Adhesives, coatings, and
sealants shall have published or certified temperature ratings suitable for the entire range of working
temperatures normal for the surfaces to which they are to be applied.

1.4 SUBMITTALS

A. Product Data: Identify thermal conductivity, thickness, and jackets (both factory and field applied, if
any), for each type of product indicated.

B. Shop Drawings: Show fabrication and installation details for the following:

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1. Removable insulation sections at access panels.

2. Application of field-applied jackets.
3. Applications at linkages for control devices.

C. Samples: For each type of insulation and field-applied jacket. Identify each Sample, describing product
and intended use. Submit 300-mm square sections of each sample material.

1. Manufacturer's Color Charts: Show the full range of colors available for each type of field-applied
finish material indicated.

D. Material Test Reports: From a qualified testing agency acceptable to Engineer, indicating, interpreting,
and certifying test results for compliance of insulation materials, sealers, attachments, cements, and
jackets with requirements indicated. Include dates of tests.

E. Installer Certificates: Signed by the Contractor certifying that installers comply with requirements.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: Skilled mechanics who have successfully a craft training program certified by an
agency acceptable to Engineer.

B. Fire-Test-Response Characteristics: As determined by testing materials identical to those specified in this

Section according to ASTM E 84, UL-723, NFPA 225 or ANSI A.2.5, by a testing and inspecting agency
acceptable to Engineer. Factory label insulation and jacket materials and sealer and cement material
containers with appropriate markings of applicable testing and inspecting agency.

1. Insulation Installed Indoors: Flame-spread rating of 25 or less, and smoke-developed rating of 50

or less.
2. Insulation Installed Outdoors: Flame-spread rating of 75 or less, and smoke-developed rating of
150 or less.

C. Mockups: Before installing insulation, build mockups for each type of insulation and finish listed below
to demonstrate quality of insulation application and finishes. Build mockups according to the following
requirements, using materials indicated for the completed Work:

1. Include the following mockups:

a. One 3-m section of rectangular straight duct.

b. One 90-degree square elbow and one 90-degree radius elbow.
c. One branch takeoff.
d. One transition fitting.
e. Four support hangers.

2. Build mockups with cutaway sections to allow observation of application details for insulation
materials, mastics, attachments, and jackets.
3. Build mockups in the location indicated or, if not indicated, as directed by Engineer.
4. Notify Engineer seven days in advance of dates and times when mockups will be constructed.
5. Obtain Engineer's approval of mockups before starting insulation application.
6. Maintain mockups during construction in an undisturbed condition as a standard for judging the
completed Work.
7. Demolish and remove mockups when directed.

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8. Approved mockups may become part of the completed Work if undisturbed at time of Substantial
Completion.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Packaging: Ship insulation materials in containers marked by manufacturer with appropriate ASTM or
other approved specification designation, type and grade, and maximum use temperature.

1.7 COORDINATION

A. Coordinate clearance requirements with duct Installer for insulation application.

1.8 SCHEDULING

A. Schedule insulation application after testing duct systems. Insulation application may begin on segments
of ducts that have satisfactory test results.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 INSULATION MATERIALS

A. Mineral-Fiber Board Thermal Insulation: Glass fibers bonded with a thermosetting resin. Comply with
ASTM C 612, Type IB, without facing and with all-service jacket manufactured from kraft paper,
reinforcing scrim, aluminum foil, and vinyl film.

1. Thermal Conductivity: 0.038W/mK at 20 deg. C (68 deg. F).

2. Density : 48kg/m3.

B. Mineral-Fiber Blanket Thermal Insulation: Glass fibers bonded with a thermosetting resin. Comply with
ASTM C 553, Type II, without facing and with all-service jacket manufactured from kraft paper,
reinforcing scrim, aluminum foil, and vinyl film.

1. Thermal Conductivity: 0.038W/mK at 20 deg. C (68 deg. F).

2. Density : 24kg/m3.

2.3 FIELD-APPLIED JACKETS

A. General: ASTM C 921, Type 1, maximum moisture vapor transmission 0.02 perms, (measured before
factory application or installation), minimum puncture resistance 50 Beach units on all surfaces.
Minimum tensile strength, 6.1 N/mm width. Jackets used on insulation exposed in finished areas shall
have white finish suitable for painting without sizing.

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B. Foil and Paper Jacket: Laminated, glass-fiber-reinforced, flame-retardant, all purpose, kraft paper and
aluminum foil (FSK).

C. Aluminum Jacket: Deep corrugated sheets manufactured from aluminum alloy complying with
ASTM B 209M (ASTM B 209), and having an integrally bonded moisture barrier over entire surface in
contact with insulation.

1. Finish and Thickness: Stucco embossed finish, 0.6 mm thick for indoor installation and 0.8 mm
for outdoor installation unless otherwise noted.
2. Moisture Barrier: 0.025-mm thick, heat-bonded polyethylene and kraft paper.

D. Stainless-Steel Jacket: Deep corrugated sheets of stainless steel complying with ASTM A 666, Type 304
or 316; 2.5 mm thick; and roll stock ready for shop or field cutting and forming to indicated sizes.

1. Moisture Barrier: 0.025-mm thick, heat-bonded polyethylene and kraft paper.

2. Jacket Bands: Stainless steel, Type 304, 19 mm wide.

2.4 ACCESSORIES AND ATTACHMENTS

A. Glass Cloth and Tape: Comply with MIL-C-20079H, Type I for cloth and Type II for tape. Woven
glass-fiber fabrics, plain weave, presized a minimum of 270 g/sq. m.

1. Tape Width: 100 mm.

B. Bands: 19 mm wide, in one of the following materials compatible with jacket:

1. Stainless Steel: ASTM A 666, Type 304; 0.5 mm thick.

2. Galvanized Steel: 0.13 mm thick.
3. Aluminum: 0.18 mm thick.
4. Brass: 0.25 mm thick.
5. Nickel-Copper Alloy: 0.13 mm thick.

C. Wire: 2.0-mm, nickel-copper alloy; 1.6-mm, soft-annealed, stainless steel; or 1.6-mm, soft-annealed,
galvanized steel.

D. Adhesive-Attached Anchor Pins and Speed Washers: Galvanized steel plate, pin, and washer
manufactured for attachment to duct and plenum with adhesive. Pin length sufficient for insulation
thickness indicated.

1. Adhesive: Recommended by the anchor pin manufacturer as appropriate for surface temperatures
of ducts, plenums, and breechings; and to achieve a holding capacity of 45 kg for direct pull
perpendicular to the adhered surface.

2.5 VAPOR RETARDERS

A. Mastics: Materials recommended by insulation material manufacturer that are compatible with insulation
materials, jackets, and substrates.

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PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates and conditions for compliance with requirements for installation and other conditions
affecting performance of insulation application.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Surface Preparation: Clean and dry surfaces to receive insulation. Remove materials that will adversely
affect insulation application.

3.3 GENERAL APPLICATION REQUIREMENTS

A. Apply insulation materials, accessories, and finishes according to the manufacturer's written instructions;
with smooth, straight, and even surfaces; and free of voids throughout the length of ducts and fittings.

B. Refer to schedules at the end of this Section for materials, forms, jackets, and thicknesses required for
each duct system.

C. Use accessories compatible with insulation materials and suitable for the service. Use accessories that do
not corrode, soften, or otherwise attack insulation or jacket in either wet or dry state.

D. Apply multiple layers of insulation with longitudinal and end seams staggered.

E. Seal joints and seams with vapor-retarder mastic on insulation indicated to receive a vapor retarder.

F. Keep insulation materials dry during application and finishing.

G. Apply insulation with tight longitudinal seams and end joints. Bond seams and joints with adhesive
recommended by the insulation material manufacturer.

H. Apply insulation with the least number of joints practical.

I. Apply insulation over fittings and specialties, with continuous thermal and vapor-retarder integrity, unless
otherwise indicated.

J. Hangers and Anchors: Where vapor retarder is indicated, seal penetrations in insulation at hangers,
supports, anchors, and other projections with vapor-retarder mastic. Apply insulation continuously
through hangers and around anchor attachments.

K. Insulation Terminations: For insulation application where vapor retarders are indicated, seal ends with a
compound recommended by the insulation material manufacturer to maintain vapor retarder.

L. Apply insulation with integral jackets as follows:

1. Pull jacket tight and smooth.

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2. Joints and Seams: Cover with tape and vapor retarder as recommended by insulation material
manufacturer to maintain vapor seal.
3. Vapor-Retarder Mastics: Where vapor retarders are indicated, apply mastic on seams and joints
and at ends adjacent to duct flanges and fittings.

M. Cut insulation according to manufacturer's written instructions to prevent compressing insulation to less
than 75 percent of its nominal thickness.

N. Install vapor-retarder mastic on ducts and plenums scheduled to receive vapor retarders.

1. Ducts with Vapor Retarders: Overlap insulation facing at seams and seal with vapor-retarder
mastic and pressure-sensitive tape having same facing as insulation. Repair punctures, tears, and
penetrations with tape or mastic to maintain vapor-retarder seal.
2. Ducts without Vapor Retarders: Overlap insulation facing at seams and secure with outward
clinching staples and pressure-sensitive tape having same facing as insulation.

O. Roof Penetrations: Apply insulation for interior applications to a point even with top of roof flashing.

1. Seal penetrations with vapor-retarder mastic.

2. Apply insulation for exterior applications tightly joined to interior insulation ends.
3. Seal insulation to roof flashing with vapor-retarder mastic.

P. Interior Wall and Partition Penetrations: Apply insulation continuously through walls and partitions,
except fire-rated walls and partitions.

Q. Fire-Rated Wall and Partition Penetrations: Terminate insulation at fire/smoke damper sleeves for fire-
rated wall and partition penetrations.

R. Floor Penetrations: Terminate insulation at underside of floor assembly and at floor support at top of
floor.

1. For insulation indicated to have vapor retarders, taper termination and seal insulation ends with
vapor-retarder mastic.

3.4 MINERAL-FIBER INSULATION APPLICATION

A. Blanket Applications for Ducts and Plenums: Secure blanket insulation with adhesive and anchor pins
and speed washers.

1. Apply adhesives according to manufacturer's recommended coverage rates per square foot, for 100
percent coverage of duct and plenum surfaces.
2. Apply adhesive to entire circumference of ducts and to all surfaces of fittings and transitions.
3. Install anchor pins and speed washers on sides and bottom of horizontal ducts and sides of vertical
ducts as follows:

a. On duct sides with dimensions 450 mm and smaller, along longitudinal centerline of duct.
Space 75 mm maximum from insulation end joints, and 400 mm o.c.
b. On duct sides with dimensions larger than 450 mm. Space 400 mm o.c. each way, and 75
mm maximum from insulation joints. Apply additional pins and clips to hold insulation
tightly against surface at cross bracing.
c. Anchor pins may be omitted from top surface of horizontal, rectangular ducts and plenums.

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d. Do not overcompress insulation during installation.

4. Impale insulation over anchors and attach speed washers.

5. Cut excess portion of pins extending beyond speed washers or bend parallel with insulation
surface. Cover exposed pins and washers with tape matching insulation facing.
6. Create a facing lap for longitudinal seams and end joints with insulation by removing 50 mm from
one edge and one end of insulation segment. Secure laps to adjacent insulation segment with 13-
mm staples, 25 mm o.c., and cover with pressure-sensitive tape having same facing as insulation.
7. Overlap unfaced blankets a minimum of 50 mm on longitudinal seams and end joints. Secure with
steel band at end joints and spaced a maximum of 450 mm o.c.
8. Apply insulation on rectangular duct elbows and transitions with a full insulation segment for each
surface. Apply insulation on round and flat-oval duct elbows with individually mitered gores cut
to fit the elbow.
9. Insulate duct stiffeners, hangers, and flanges that protrude beyond the insulation surface with 150-
mm wide strips of the same material used to insulate duct. Secure on alternating sides of stiffener,
hanger, and flange with anchor pins spaced 150 mm o.c.
10. Apply vapor-retarder mastic to open joints, breaks, and punctures for insulation indicated to
receive vapor retarder.

B. Board Applications for Ducts and Plenums: Secure board insulation with adhesive and anchor pins and
speed washers.

1. Apply adhesives according to manufacturer's recommended coverage rates for 100 percent
coverage of duct and plenum surfaces.
2. Apply adhesive to entire circumference of ducts and to all surfaces of fittings and transitions.
3. Space anchor pins as follows:

a. On duct sides with dimensions 450 mm and smaller, along longitudinal centerline of duct.
Space 75 mm maximum from insulation end joints, and 400 mm o.c.
b. On duct sides with dimensions larger than 450 mm. Space 400 mm o.c. each way, and 75
mm maximum from insulation joints. Apply additional pins and clips to hold insulation
tightly against surface at cross bracing.
c. Anchor pins may be omitted from top surface of horizontal, rectangular ducts and plenums.
d. Do not overcompress insulation during installation.

4. Cut excess portion of pins extending beyond speed washers or bend parallel with insulation
surface. Cover exposed pins and washers with tape matching insulation facing.
5. Create a facing lap for longitudinal seams and end joints with insulation by removing 50 mm from
one edge and one end of insulation segment. Secure laps to adjacent insulation segment with 13-
mm staples, 25 mm o.c., and cover with pressure-sensitive tape having same facing as insulation.
6. Apply insulation on rectangular duct elbows and transitions with a full insulation segment for each
surface. Groove and score insulation to fit as closely as possible to outside and inside radius of
elbows. Apply insulation on round and flat-oval duct elbows with individually mitered gores cut
to fit the elbow.
7. Insulate duct stiffeners, hangers, and flanges that protrude beyond the insulation surface with 150-
mm wide strips of the same material used to insulate duct. Secure on alternating sides of stiffener,
hanger, and flange with anchor pins spaced 150 mm o.c.
8. Apply vapor-retarder mastic to open joints, breaks, and punctures for insulation indicated to
receive vapor retarder.

3.5 FIELD-APPLIED JACKET APPLICATION

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A. Apply glass-cloth jacket, where indicated, directly over bare insulation or insulation with factory-applied
jackets.

1. Apply jacket smooth and tight to surface with 50-mm overlap at seams and joints.
2. Embed glass cloth between two 1.6-mm thick coats of jacket manufacturer's recommended
adhesive.
3. Completely encapsulate insulation with jacket, leaving no exposed raw insulation.

3.6 FINISHES

A. Glass-Cloth Jacketed Insulation: Paint insulation finished with glass-cloth jacket as specified in
Division 9 Section "Painting."

B. Flexible Elastomeric Thermal Insulation: After adhesive has fully cured, apply two coats of insulation
manufacturer's recommended protective coating.

C. Color: Final color as selected by Engineer. Vary first and second coats to allow visual inspection of the
completed Work.

3.7 DUCT SYSTEM APPLICATIONS

A. Insulation materials and thicknesses are specified in schedules at the end of this Section.

B. Materials and thicknesses for systems listed below are specified in schedules at the end of this Section.

C. Insulate the following plenums and duct systems:

1. Indoor concealed supply-, return-, and outside-air ductwork.

2. Indoor exposed supply-, return-, and outside-air ductwork.
3. Outdoor exposed supply and return ductwork.
4. Indoor exposed range-hood exhaust ductwork.
5. Indoor concealed range-hood exhaust ductwork.
6. Indoor exposed oven and dishwasher exhaust ductwork.
7. Indoor concealed oven and dishwasher ductwork.

D. Items Not Insulated: Unless otherwise indicated, do not apply insulation to the following systems,
materials, and equipment:

1. Fibrous-glass ducts.
2. Metal ducts with duct liner.
3. Factory-insulated flexible ducts.
4. Factory-insulated plenums, casings, terminal boxes, and filter boxes and sections.
5. Flexible connectors.
6. Vibration-control devices.
7. Testing agency labels and stamps.
8. Nameplates and data plates.
9. Access panels and doors in air-distribution systems.

3.8 INDOOR DUCT AND PLENUM APPLICATION SCHEDULE

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A. Service: Supply-air ducts.

1. Material: Mineral-fiber blanket.

2. Thickness: 25 mm.
3. Number of Layers: One.
4. Field-Applied Jacket: Foil and paper where concealed; aluminum jacket where exposed to view or
in mechanical rooms.
5. Vapor Retarder Required: Yes.

B. Service: Return-air ducts.

1. Material: Mineral-fiber blanket.

2. Thickness: 25 mm.
3. Number of Layers: One.
4. Field-Applied Jacket: Foil and paper where concealed; aluminum jacket where exposed to view or
in mechanical rooms.
5. Vapor Retarder Required: Yes.

C. Service: Outside-air ducts.

1. Material: Mineral-fiber blanket.

2. Thickness: 25 mm.
3. Number of Layers: One.
4. Field-Applied Jacket: Foil and paper where concealed; aluminum jacket where exposed to view or
in mechanical rooms.
5. Vapor Retarder Required: No.

3.9 OUTDOOR DUCT AND PLENUM APPLICATION SCHEDULE

A. Service: Supply-air ducts.

1. Material: Mineral-fiber board.

2. Thickness: 50 mm.
3. Number of Layers: One.
4. Field-Applied Jacket: Aluminum.

a. Aluminum Thickness: 0.8 mm.

b. Corrugation Dimension: 64 by 16 mm.

5. Vapor Retarder Required: Yes.

B. Service: Return-air ducts.

1. Material: Mineral-fiber board.

2. Thickness: 50 mm.
3. Number of Layers: One.
4. Field-Applied Jacket: Aluminum.

a. Aluminum Thickness: 0.8 mm.

b. Corrugation Dimension: 64 by 16 mm.

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5. Vapor Retarder Required: Yes.

END OF SECTION 15081

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SECTION 15671 - CONDENSING UNITS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Air-cooled condensing units.

2. Water-cooled condensing units.

B. Related Sections include the following:

1. Division 15 Section "Water Distribution Piping" for domestic water piping connections to water-
cooled units.
2. Division 15 Section "Hydronic Piping" for piping connections to water-cooled units.
3. Division 15 Section "Refrigerant Piping" for valves and accessories for piping connections to
units.

1.3 SUBMITTALS

A. Product Data: Include rated capacities; shipping, installed, and operating weights; dimensions; required
clearances; methods for assembling components; furnished specialties; accessories; and installation and
startup instructions for each model indicated.

1. Sample Warranty: Copy of manufacturer's proposed warranty, stating obligations, remedies,

limitations, and exclusions.

B. Wiring Diagrams: Detail wiring for power, signal, and control systems and differentiate between
manufacturer-installed and field-installed wiring.

C. Field Test and Commissioning Reports: As specified in "Field Quality Control" and "Commissioning"
Articles in Part 3 of this Section. Indicate and interpret test results for compliance with performance
requirements.

D. Maintenance Data: For each condensing unit to include in the maintenance manuals specified in
Division 1.

1. Include a parts list for each condensing unit, control, and accessory; troubleshooting maintenance
guide; and servicing and preventive maintenance procedures and schedule.
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E. Warranties: Warranties specified in this Section.

1.4 QUALITY ASSURANCE

A. Listing and Labeling: Provide electrically operated equipment specified in this Section that is listed and
labeled.

1. The Terms "Listed" and "Labeled": As defined in NFPA 70 - 2007, Article 100.

B. Fabricate and label refrigeration system according to ASHRAE 15 AND 34 PACKAGE , “Safety
Standards for Refrigeration Systems.”

C. Fabricate and label water-cooled condensers according to 2010 ASME Boiler & Pressure Vessel Code -
Section VIII - Pressure Vessels Division 1.

D. Comply with NFPA 70 - 2007.

E. Comply with UL 1995, "Refrigeration and Air-Conditioning Condensing and Compressor Units."

1.5 COORDINATION

A. Coordinate size and location of concrete housekeeping bases. Cast anchor-bolt inserts into pad.
Concrete, reinforcement, and formwork requirements are specified in Division 3 Section "Cast-in-Place
Concrete."

B. Coordinate installation of roof curbs, equipment supports, and roof penetrations. Roof specialties are
specified in Division 7 Section "Roof Accessories."

1.6 WARRANTY

A. Manufacturer's Warranty: Provide written warranty, signed by manufacturer and countersigned by

Contractor, agreeing to replace components that fail in materials and workmanship within the specified
warranty period, provided manufacturer's written instructions for installation, operation, and maintenance
have been followed.

1. Warranty Period: 5 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

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2.2 GENERAL FOR AIR-COOLED CONDENSERS

A. Air-cooled condenser shall be a packaged, self-contained assembly that includes fans, motors,
drives, refrigerant condensing coils, controls, intercomponent piping and wiring, totally
enclosed weatherproof casing, and frame mounting; the unit shall be ready for terminal field
connections with fully automatic operation.

B. Condensing coils shall be designed and sized specifically for air-cooled condenser service. Coil
frame shall be not less than 12-gage (2.8 millimeter) galvanized steel. Coils shall be factory
tested pneumatically under water at not less than 400 pounds per square inch (2758 kilopascal).
A purging vent shall be provided at the highest point of the entering refrigerant header of each
coil circuit. Condenser coil and receiver shall have an excess capacity of not less than 20
percent for storage of pumped-down refrigerant. Condensing coil and remainder of refrigerant
circuit shall be cleaned and factory charged with dry nitrogen or refrigerant.

C. Drive shall be weather-protected. Drive and fan discharge and inlet shall be guarded. Fan
guards shall be hot-dip galvanized after fabrication and shall be suitable for salt-air atmosphere;
electrogalvanizing is not acceptable.

D. Condensing pressure control shall be accomplished by combination of fan cycling and

modulation of dampers located in the discharge airstream.

E. Condenser-mounted control panel and intercomponent piping and wiring shall be provided.
Control panels exposed to the weather shall have NEMA 250-200, Type 3 enclosures and
NEMA 250-200, Type 1 enclosures if protected by casing. Electrical work shall conform to
NFPA 70 - 2007requirements.

2.3 CONDENSING UNITS, AIR COOLED, 3.5 TO 17.6 kW (1 TO 5 TONS)

A. Description: Factory assembled and tested, air cooled; consisting of compressors, condenser coils, fans,
motors, refrigerant reservoirs, and operating controls.

B. Compressor: Hermetically sealed and isolated for vibration.

1. Motor: Include thermal- and current-sensitive overload devices, start capacitor, relay, and
contactor.
2. Two-Speed Compressor: Include manual reset, high-pressure switch and automatic reset,
and low-pressure switch.

C. Condenser: Copper-tube, aluminum-fin coil, with liquid subcooler.

D. Condenser Fan: Direct-drive, aluminum propeller fan; with permanently lubricated fan motor with
thermal-overload protection.

E. Accessories include the following:

1. Low-voltage thermostat and subbase to control condensing unit and evaporator fan.
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2. Precharged and insulated suction and liquid tubing.

3. Low ambient kit to permit operation down to 7 deg C (45 deg F).
4. Crankcase heater.
5. Automatic reset timer to prevent compressor rapid cycle.
6. Polyethylene mounting base to provide a permanent foundation.

F. Casing: Designed for outdoor installation with weather protection for components and controls. Steel,
finished with baked enamel; with removable panels for access to controls, weep holes for water drainage,
and mounting holes in base. Mount service valves, fittings, and gage ports on exterior of casing.

2.4 CONDENSING UNITS, AIR COOLED, 21 TO 422 kW (6 TO 120 TONS)

A. Description: Factory assembled and tested, air cooled; consisting of casing, compressors, condenser
coils, condenser fans and motors, and unit controls.

B. Compressor: Hermetic or semihermetic compressor designed for service with crankcase sight glass,
crankcase heater, and backseating service access valves on suction and discharge ports.

1. Capacity Control: Hot-gas bypass and cylinder unloading.

C. Condenser: Seamless copper-tube, aluminum-fin coil, with separate and independent refrigeration circuit
for each compressor. Include liquid accumulator and subcooling circuit and backseating liquid-line
service access valve. Factory test coils at 3105 kPa (450 psig), then dehydrate by drawing a vacuum and
fill with a holding charge of nitrogen.

D. Condenser Fans: Propeller-type vertical discharge; either directly or belt driven. Include the following:

1. Permanently lubricated ball-bearing motors.

2. Separate motor for each fan.
3. Motors with thermal-overload cutouts.
4. Dynamically and statically balanced fan assemblies.
5. Low Ambient Control: Factory-installed damper assembly, fan-speed control, or fan-cycling
control.

E. Operating and safety controls include the following:

1. Manual reset, high-pressure cutout switches.

2. Automatic reset, low-pressure cutout switches.
3. Low oil pressure cutout switch.
4. Compressor-winding thermostat cutout switch.
5. 3-leg, compressor-overload protection.
6. Control transformer.
7. Magnetic contactors for compressor and condenser fan motors.
8. Automatic, nonrecycling pump down and a timing device to prevent excessive compressor
cycling.

F. Unit Casings: Designed for outdoor installation with weather protection for components and controls and
with removable panels for required access to compressors, controls, condenser fans, motors, and drives.
Additional features include the following:
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1. Steel, galvanized or zinc coated, for exposed casing surfaces, treated and finished with
manufacturer's standard paint coating.
2. Lifting lugs to facilitate rigging of units.
3. Gasketed control panel door.
4. Unfused disconnect switch, factory mounted and wired, for single external electrical power
connection.

2.5 MOTORS

A. Refer to Division 15 Section "Motors" for general requirements for factory-installed motors.

B. Motor Construction: NEMA MG 1-2007, general purpose, continuous duty, Design B.

2.6 SOURCE QUALITY CONTROL

A. Verification of Performance: Rate condensing units according to ARI 210/240-2008.

B. Verification of Performance: Rate condensing units according to ANSI/ARI 340/360-2007.

1. Coefficient of Performance: Equal to or greater than prescribed by ASHRAE/IESNA 90.1,

"Energy Efficient Design of New Buildings except Low-Rise Residential Buildings."

C. Test and inspect shell and tube condensers according to 2010 ASME Boiler & Pressure Vessel Code -
Section VIII - Pressure Vessels Division 1.

D. Testing Requirements: Factory test sound-power-level ratings according to ARI 270-2008.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install condensing units according to manufacturer's written instructions.

B. Install units level and plumb, firmly anchored in locations indicated; maintain manufacturer's
recommended clearances.

C. Install ground-mounted units on minimum 100-mm thick, reinforced concrete base, 100 mm larger than
condensing unit on each side. Concrete, reinforcement, and formwork requirements are specified in
Division 3. Coordinate installation of anchoring devices.

D. Install roof-mounted units on equipment supports specified in Division 7. Anchor unit to supports with
removable fasteners.

E. Install units on seismically restrained spring isolators with a minimum deflection of 25-mm.

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3.2 CONNECTIONS

A. Connect precharged refrigerant tubing to unit's quick-connect fittings. Install tubing so it does not
interfere with access to unit. Install furnished accessories.

B. Connect refrigerant piping to air-cooled condensing units; maintain required access to unit. Install
furnished field-mounted accessories.

C. Connect refrigerant and condenser water piping to water-cooled condensing units. Maintain clear tube
removal space.

D. Ground equipment.

1. Tighten electrical connectors and terminals according to manufacturer's published torque-

tightening values. Where manufacturer's torque values are not indicated, use those specified in
ANSI/UL 486A-486B - 2004.

3.3 FIELD QUALITY CONTROL

A. Leak Test: After installation, charge systems with refrigerant and oil and test for leaks. Repair leaks and
replace lost refrigerant and oil.

B. Operational Test: After electrical circuitry has been energized, start units to confirm proper operation,
product capability, and compliance with requirements.

1. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and
equipment.

C. Remove and replace malfunctioning units with new units and retest.

D. Report test results in writing.

3.4 CLEANING

A. After completing system installation, including outlet fittings and devices, inspect exposed finish. Clean
units to remove dirt and construction debris and repair damaged finishes.

3.5 COMMISSIONING

A. Engage a factory-authorized service representative to perform startup service and report results in writing.

B. Verify that units are installed and connected according to the Contract Documents.

C. Complete installation and startup checks according to manufacturer's written instructions and do the
following:

1. Inspect for physical damage to unit casing.

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2. Verify that access doors move freely and are weathertight.

3. Clean units and inspect for construction debris.
4. Check that all bolts and screws are tight.
5. Adjust vibration isolation and flexible connections.
6. Verify that controls are connected and operational.

D. Lubricate bearings on fans.

E. Verify that fan wheel is rotating in the correct direction and is not vibrating or binding.

F. Adjust fan belts to proper alignment and tension.

G. Start unit according to manufacturer's written instructions.

1. Complete manufacturer's starting checklist.

H. Measure and record airflow over coils.

I. Check operation of condenser capacity control device.

J. Verify that vibration isolation and flexible connections properly dampen vibration transmission to
structure.

K. After startup and performance test, lubricate bearings and adjust belt tension.

3.6 DEMONSTRATION

A. Engage a factory-authorized service representative to train Employer's maintenance personnel to adjust,

operate, and maintain condensing units. Refer to Division 1 Section "[Demonstration and Training]
[Closeout Procedures]."

1. Schedule at least four (4) hours of training.

END OF SECTION 15671

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SECTION 15726 – HYGIENIC CENTRAL-STATION AIR-HANDLING UNITS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1 Specification
Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes constant-volume, variable-volume, central-station air-handling units with coils for
indoor and outdoor installations.

B. Provide fans and motors capable of stable operation at design conditions and at design cubic meters per
minute (cubic feet per minute) and 110 percent pressure as stated above.

C. Lower than design pressure drop of approved individual components may allow use of a smaller fan motor
and still provide the safety factor. When submitted as a deviation, a smaller motor may be approved in the
interest of energy conservation. Such a deviation shall not qualify for any value engineering incentive claim
or reward.

D. Select fan operating point to right hand side of peak static pressure point and near the peak of static
efficiency.

E. Operating Limits: AMCA 99 - 2003.

1.3 SUBMITTALS

A. Product Data for each central-station air-handling unit specified, including the following:

1. Submittals for AHUs shall include fans, drives, motors, coils, humidifiers, sound attenuators, mixing
box with outside/return air dampers, filter housings, and all other related accessories.
2. The Contractor shall provide custom drawings showing total air-handling unit assembly including
dimensions, access sections, diffusion plates, flexible connections, door swings, control
penetrations, electrical disconnect, lights, duplex outlets, switches, wiring, utility connection points,
unit support system, vibration isolators, drain pan, and rigging points. Submittal drawings of section
or component only, will not be acceptable. The Contractor shall also submit performance data
including performance test results, charts, curves or certified computer selection data; data sheets;
fabrication and insulation details; and the number of pieces that each unit will have to be broken
into to meet shipping and job site rigging requirements.
3. Submit certified fan-sound power ratings showing sound power levels in each octave band for fan
and at entrance and discharge of AHUs at both present and future scheduled conditions. Include
sound attenuator capacities and itemized internal component attenuation. Internal lining of supply
air ductwork with sound absorbing material is not permitted.
4. Provide certified fan curves showing cubic meters per minute (cubic feet per minute), static pressure,
efficiency, and horsepower for both present and future design point of operation and at maximum

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of present and future design cubic meters per minute (cubic feet per minute) and 110 percent of
design static pressure.
5. Submit total fan static pressure, external static pressure, for AHU including total, inlet and discharge
pressures, and itemized specified internal losses and unspecified internal losses. Refer to air-
handling unit schedule on drawings.
6. Certified coil-performance ratings with system operating conditions indicated.
7. Motor ratings and electrical characteristics plus motor and fan accessories.
8. Material gages and finishes.
9. Filters with performance characteristics.
10. Dampers, including housings, linkages, and operators.

B. Shop Drawings from manufacturer detailing equipment assemblies and indicating dimensions, weights,
loadings, required clearances, method of field assembly, components, and location and size of each field
connection.

C. Manufacturer Seismic Qualification Certification: Submit certification that modular indoor air-handling
units, accessories, and components will withstand seismic forces defined in Division 15 Section
"Mechanical Vibration and Seismic Controls." Include the following:

1. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled
components or on calculation.

a. The term "withstand" means "the unit will remain in place without separation of any parts
from the device when subjected to the seismic forces specified."
b. The term "withstand" means "the unit will remain in place without separation of any parts
from the device when subjected to the seismic forces specified and the unit will be fully
operational after the seismic event."

2. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and
describe mounting and anchorage provisions.
3. Detailed description of equipment anchorage devices on which the certification is based and their
installation requirements.

D. Wiring diagrams detailing wiring for power and control systems and differentiating between manufacturer-
installed and field-installed wiring.

E. Coordination Drawings, including floor plans and sections drawn to scale. Submit with Shop Drawings.
Show mechanical-room layout and relationships between components and adjacent structural and
mechanical elements. Show support locations, type of support, and weight on each support. Indicate and
certify field measurements.

F. Field Commissioning Reports: As specified in "Commissioning" Article in Part 3 of this Section. Indicate
and interpret test results for compliance with performance requirements.

G. Maintenance data for central-station air-handling units to include in the operation and maintenance manual
specified in Division 1.

1. Include: Lists of parts and troubleshooting maintenance data.

1.4 QUALITY ASSURANCE

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A. NFPA Compliance: Central-station air-handling units and components shall be designed, fabricated, and
installed in compliance with NFPA 90A - 2008, "Installation of Air Conditioning and Ventilating Systems."

B. UL Compliance: Electric coils, along with complete central-station air-handling unit, shall be listed and
labeled by UL.

C. ARI Certification: Central-station air-handling units and their components shall be factory tested according
to the applicable portions of ARI 430-2009, "Central-Station Air-Handling Units," and shall be listed and
bear the label of the Air-Conditioning and Refrigeration Institute (ARI).

D. Provide motors required as part of air-handling units that are listed and labeled by UL and comply with
applicable NEMA standards or equivalent characteristics in accordance with IEC 34.

E. Condensation: During first year guarantee period, if condensation forms on any section of air handler when
unit is operating at design conditions, the Contractor shall replace or repair unit to correct the situation.
Repairs shall not impair unit or component accessibility and future repairability and inherent access for
maintenance. All repairs shall be subject to the Engineer’s approval.

F. Electrical Components, Devices, and Accessories: Listed and labeled as defined in latest and relevant IEC
standard, by a testing agency acceptable to the Engineer.

G. Listing and Labeling: Provide electrically operated components specified in this Section that are listed and
labeled.

1.5 COORDINATION

A. Coordinate size and location of concrete housekeeping bases. Cast anchor-bolt inserts into bases. Concrete,
reinforcement, and formwork requirements are specified in Division 3 Section "Cast-in-Place Concrete."

B. Coordination: Coordinate layout and installation of central-station air-handling units with piping and
ductwork and with other installations.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver air-handling unit as a factory-assembled module with protective crating and covering.

B. Lift and support units with manufacturer's designated lifting or supporting points.

1.7 SEQUENCING AND SCHEDULING

A. Coordinate size and location of concrete housekeeping bases. Cast anchor-bolt inserts into base.

B. Coordinate size and location of structural-steel support members.

1.8 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed, are packaged with protective covering
for storage, and are identified with labels describing contents. B. Filters: Furnish 1 set for each central-station air-
handling unit.

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C. Fan Belts: Furnish 1 set for each central-station air-handling unit fan.

D. Gaskets: Furnish 1 for each sectional joint of each central-station air-handling unit.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 GENERAL

A. The unit shall be certified in accordance to (VDI6022) Hygiene requirements for ventilation and air
conditioning systems and devices and (DIN 1946-4) Ventilation in buildings and health care rooms.

B. General Description: Factory assembled, consisting of fans, motor and drive assembly, coils, damper,
plenums, filters, drip pans, mixing dampers, and discharge collars with flexible duct connectors.

C. The unit shall be manufactured in accordance to (EN 1886-2008) Ventilation for buildings - Air handling
units - Mechanical performance:

Casing Strength Class D1.

Casing Air Leakage Class L1 under negative and positive pressure.
Thermal Conductivity Class T3.
Thermal bridging Class TB3.

D. Central station air handling units (AHUs) shall be of outer wall galvanized steel construction. Galvanizing
shall be hot dipped conforming to A653/A653M and shall provide a minimum of 0.275 kg of zinc per
square meter (0.90 oz. of zinc per square foot) (G90). Aluminum constructed units may be provided subject
to the Engineer’s approval and documentation that structural rigidity is equal or greater than the galvanized
steel specified.

E. Central station air handling units (AHUs) shall be inner wall stainless steel AISI304 construction; where no
sharp ends are introduced inside, complete smooth surface with round corners for ease cleaning.

F. The Contractor and the AHU manufacturer shall be responsible for insuring that the unit will not exceed
the allocated space shown on the drawings, including required clearances for service and future overhaul
or removal of unit components. All structural, piping, wiring, and ductwork alterations of units, which are
dimensionally different than those specified, shall be the responsibility of the Contractor at no additional
cost to the Employer.

G. AHUs shall be fully assembled by the manufacturer in the factory in accordance with the arrangement
shown on the drawings. The unit shall be assembled into the largest sections possible subject to shipping
and rigging restrictions. The correct fit of all components and casing sections shall be verified in the
factory for all units prior to shipment. Factory tested units shall be fully assembled, tested and then split to
accommodate shipment and job site rigging. On units not shipped fully assembled, the manufacturer shall
tag each section and include airflow direction to facilitate assembly at the job site. Lifting lugs or shipping
skids shall be provided for each section to allow for field rigging and final placement of unit.

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H. The AHU manufacturer shall provide the necessary gasketing, caulking, and all screws, nuts, and bolts
required for assembly.

I. The manufacturer shall provide a local representative at the job site to supervise the assembly and to assure
the units are assembled to meet manufacturer's recommendations and requirements noted on the drawings.
Provide documentation that this representative has provided this service on similar jobs to the Engineer. If
a local representative cannot be provided, the manufacturer shall provide a factory representative.

J. Gaskets: All door and panel gaskets shall be high quality which seal airtight and retain their structural
integrity and sealing capability after repeated assembly and disassembly of bolted panels and opening and
closing of hinged components. Bolted sections may use a more permanent gasketing method provided they
are not disassembled.

K. Motor and Electrical Components: Refer to Division 15 Section "Motors."

2.3 BASE

A. Provide a heavy-duty steel base for supporting all AHU major components. Bases shall be constructed of
wide-flange steel I-beams, channels, or minimum 152 mm (6 inch) high 3.5 mm (10 gauge) steel base rails.
Welded or bolted cross members shall be provided as required for lateral stability. The Contractor shall
provide supplemental steel supports as required to obtain proper operation heights for cooling coil condense
drain trap as shown on drawings.

B. AHUs shall be completely self-supporting for installation on concrete housekeeping pad, steel support
pedestals, or suspended as shown on drawings.

C. The AHU bases not constructed of galvanized material shall be cleaned, primed with a rust inhibiting
primer, and finished with a rust inhibiting exterior enamel.

2.4 CABINET

A. General: AHU shall be designed and constructed such that removal of any panel shall not affect the
structural integrity of the unit. Plug panels may be used to enhance structural stability provided access space
is not reduced.

B. Materials: Formed and reinforced, double wall construction, galvanized steel panels, fabricated to allow
removal for access to internal parts and components, with joints between sections sealed. The outer wall
and inner wall of the double skin panel shall be precoated with oven backed polyester paint finish. Units
for outdoor installation shall have protective pitched roof and corrosion resistant paint finish. Units with
100% outdoor air shall have internal sides protected with corrosion resistant paint finish.

1. Outside Casing: Galvanized steel, 1.3 mm.

2. Inside Casing: Stainless steel, 1.0 mm.
3. Floor Plate: Stainless steel, 3.6 mm.
C. Thermal Conductance (C): Maximum overall thermal conductance of casing panels shall not exceed 0.68
W/square meter. K (0.12 Btu/(h. square feet. degree F).

D. Condensation Requirements: AHUs shall be designed to ensure that there is no condensation on the exterior
of the unit based on outside design conditions. Through metal connections between inner and outer panels

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shall be kept to an absolute minimum. If tubular structural members are used inside of tube shall be insulated
equal to casing.

E. Unit sections shall be tightly joined in the field through the use of all-thread rod or casing brackets and shall
be gasketed to make airtight.

F. Exterior and interior panels shall be secured to the support channels with stainless steel protruding screws
and gaskets installed around the panel perimeter. Screw spacing shall not be greater than 229 mm (nine
inches). Panels shall be completely removable to allow removal of fan, coils, and other internal components
for future maintenance, repair, or modifications. Welded exterior panels are not acceptable.

G. Provide sealed sleeves, metal or plastic escutcheons or grommets for penetrations through casing for power
and temperature control wiring and pneumatic tubing. Coordinate number and location with electrical and
temperature control subcontractors. Coordinate lights, switches, and duplex outlets and disconnect switch
location and mounting. All penetrations and equipment mounting may be provided in the factory or in the
field. All field penetrations shall be performed neatly by drilling or saw cutting. No cutting by torches will
be allowed. Neatly seal all openings airtight.

H. Insulation: CFC free injected polyurethane foam insulation, complying with NFPA 90A - 2008 flame
spread and smoke generation requirements, "Installation of Air Conditioning and Ventilating Systems," for
insulation.

1. The walls, roof and floor of the AHU shall be insulated. Insulation shall be held securely in position
between the inner and outer skin of casing.
2. Thickness: 50 mm.
3. Insulation shall have 40 kg/cubic meter minimum density.
4. Location and Application: Factory applied with adhesive and mechanical fasteners to the internal
surface of section panels downstream from and including the cooling coil section.

I. Access Panels and Doors: Same materials and finishes as cabinet and complete with hinges, latches,
handles, and gaskets. Provide in each access section. Doors shall be a minimum of 600 mm (24 inches)
wide and shall be the full casing height up to a maximum of 1850 mm (6 feet). Doors shall be gasketed,
hinged, and latched to provide an airtight seal. Each door shall include a minimum 150 mm x 150 mm (6
inch x 6 inch) double thickness reinforced glass or Plexiglas window in a gasketed frame.

1. Hinges: Manufacturers standard, designed for door size, weight and pressure classifications. Hinges
shall hold door completely rigid with minimum 45 kg (100 pound) weight hung on latch side of
door.
2. Latches: Stainless steel 316L construction, with operating levers for positive cam action, operable
from either inside or outside.
3. Gaskets: Neoprene, continuous around door, positioned for direct compression with no sliding
action between the door and gasket. Secure with high quality mastic to eliminate possibility of gasket
slipping or coming loose.
4. Fan section shall have inspection and access panels and doors sized and located to allow periodic
maintenance and inspections.

J. Floor:
1. Unit floor shall be level without offset space or gap and designed to support a minimum of 488
kg/square meter (100 pounds per square foot) distributed load without permanent deformation or
crushing of internal insulation.
2. Provide adequate structural base members beneath floor in service access sections to support typical
service foot traffic and to prevent damage to unit floor or internal insulation.

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3. Unit floors in casing sections, which may contain water or condensate, shall be watertight with drain
pan.
4. Thermal Conductance (C): Maximum overall thermal conductance of casing floors shall not exceed
0.68 W/square meter. K (0.12 Btu/(h. square feet. degree F).

K. Drain Pans: Formed sections of insulated stainless steel (316), sheet based. Fabricate pans in sizes and
shapes to collect condensate from cooling coils (including coil piping connections and return bends) when
units are operating at maximum cataloged face velocity across cooling coil. Depth of drain pan shall be at
least 43 mm (1.7 inches) and shall handle all condensate without overflowing. Drain pan shall be sloped to
drain. Drain pan shall be continuous metal or welded watertight. No mastic sealing of joints exposed to
water will be permitted. Drain pan shall be placed on top of casing floor or integrated into casing floor
assembly. Maximum overall thermal conductance of floor/drain pan assembly shall not exceed 0.68
W/square meter K (0.12 Btu/(h. sq. ft. degree F).

1. Double-Wall Construction: Fill space between walls with foam insulation and seal moisture tight.
2. Drain Connections: Both ends of pan.
3. Pan-Top Surface Coating: Elastomeric compound.
4. Units with stacked coils shall have an intermediate drain pan or drain trough to collect condensate
from top coil.
5. Cooling coil ends shall be enclosed by cabinet and shall be factory insulated against sweating or
shall drain to a drain pan.
6. All pans shall have a double slope to the drain point.

L. Electrical and Lighting: Wiring and equipment specifications shall conform to Division 16 Sections.

1. Provide factory installed vapor-proof lights using cast aluminum base style with glass globe and
cast aluminum guard shall be installed in each access section, fan, coil, filter and mixing box
sections.
2. A switch shall control the lights in each compartment with pilot light mounted outside the respective
compartment access door. Wiring between switches and lights shall be factory installed. All wiring
shall run in neatly installed electrical conduits and terminate in a junction box for field connection
to the building system. Provide single point 230 volt - one phase connection at junction box.
3. Install compatible 100 watt bulb in each light fixture.
4. Provide a convenience duplex outlet next to the light switch.
5. Disconnect switch and power wiring: Provide factory or field mounted disconnect switch.
Coordinate with Electrical Specifications.

M. Inspection Windows: Provide factory installed 150mm glass inspection windows on fan section access
panels for air-handling units with 25,000 CFM air flows and higher. N. Antimicrobial sealing compound
shall be used.

2.5 FAN SECTION

A. Fan-Section Construction: Belt-driven centrifugal fans, consisting of housing, wheel, fan shaft, bearings,
motor and disconnect switch, drive assembly, and support structure, equipped with formed-steel channel
base for integral mounting of fan, motor, and casing panels. Mount fan scroll, wheel, shaft, bearings, and
motor on structural-steel frame, with frame mounted on base with vibration isolation.

B. Housings: Fabricate from formed- and reinforced-stainless steel panels to form curved scroll housings with
shaped cutoff, spun-metal inlet bell, and access doors or panels to allow entry to internal parts and
components.

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C. Fan Assemblies: Statically and dynamically balanced and designed for continuous operation at maximum
rated fan speed and motor power. Fan wheel shall be double-width, single-inlet type with backward curved
blades and open impeller as indicated.
1. Plug Fans: Fabricate without fan scroll and volute housing, with stainless steel cabinet, fan stand
and impeller are epoxy-painted.
2. Shafts: Hot-rolled stainless steel; turned, ground, and polished, and having keyway to secure to fan
wheel hub.
3. Shaft Bearings: Prelubricated and sealed, self-aligning, pillow-block-type ball or roller bearings
with the following:

a. Rated Bearing Life: ANSI/ABMA 9-1990(R2000)or AFBMA 11 1990,1978of 200,000

hours.

4. Vibration Control: Install fans on open-spring vibration isolators, PVC coated, minimum 25 mm
static deflection, with side snubbers. Allowable vibration tolerances for fan shall not exceed a self-
excited vibration maximum velocity of 0.005 m/s (0.20 inch per second) RMS when measured with
a vibration meter on bearing caps of machine in vertical, horizontal and axial directions or measured
at equipment mounting feet if bearings are concealed.

5. CFC free polyurethane foam shall be provided to ensure air tightness between suction panel and fan
wheel inlet cone.

D. Fan-Section Source Quality Control: The following factory tests are required.

1. Sound Power Level Ratings: Comply with AMCA 301-06, "Methods for Calculating Fan Sound
Ratings from Laboratory Test Data." Test fans according to ANSI/AMCA 300-08, "Reverberant
Room Method for Sound Testing of Fans." Fans shall bear AMCA-certified sound ratings seal.
2. Factory test fan performance for flow rate, pressure, power, air density, rotation speed, and
efficiency. Establish ratings according to ANSI/ASHRAE 51-2007 / AMCA 210-07, "Laboratory
Methods of Testing Fans for Rating."

2.6 MOTORS

A. General: Refer to Section "Motors" for general requirements.

B. Provide internally vibration isolated fan, motor and drive, mounted on a common integral bolted or welded
structural steel base with adjustable motor slide rail with locking device. Provide vibration isolators and
flexible duct connections at fan discharge to completely isolate fan assembly. Fan drive and belts shall be
factory mounted with final alignment and belt adjustment to be made by the Contractor after installation.

C. The minimum motor insulation class shall be IP 55 in compliance with EN 60529, IK08 in compliance with
EN 50102, and they shall have a minimum class of efficiency EFF2 in accordance with CEMEP (European
Committee of Manufacturer of Electrical Machine and Power Electronics) criteria for single speed motors
with powers between 1.1 kW and 75 kW.

D. Torque Characteristics: Sufficient to accelerate driven loads satisfactorily.

E. Temperature Rating: 50 deg C maximum temperature rise at 40 deg C ambient for continuous duty at full
load (Class A Insulation).

F. Service Factor: 1.15 for polyphase motors and 1.35 for single-phase motors.

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G. Motor Construction: ANSI/NEMA MG 1-2006, general purpose, continuous duty, Design B.

1. Bases: Adjustable.

H. Bearings: The following features are required:

1. Ball or roller bearings with inner and outer shaft seals.

2. Grease lubricated.
3. Designed to resist thrust loading where belt drives or other drives produce lateral or axial thrust in
motor.

I. Enclosure Type: The following features are required:

1. Open dripproof motors where satisfactorily housed or remotely located during operation. J.
Overload Protection: Built-in, automatic reset, thermal overload protection.

K. Noise Rating: Quiet.

L. Nameplate: Indicate full identification of manufacturer, ratings, characteristics, construction, and special
features.

M. Starters, Electrical Devices, and Wiring: Electrical devices and connections are specified in Division 16
Sections.

2.7 COILS

A. Coil Sections: Common or individual, insulated, stainless steel casing for heating and cooling coils.

B. Design and construct to facilitate removal and replacement of coil for maintenance and to assure full airflow
through coils, where all coils shall be mounted on independent slide rails.

C. An extractable droplet eliminator fixed on the coil with polyamide handle shall be used.

D. The coil shall be tested to a pressure of 30 bar and service pressure of 16 bar.

E. Coil Construction: Rigidly supported across full face, pitched to allow drainage.

1. Fins: Aluminum, mechanically bonded to tubes.

2. Tubes: Seamless copper.
3. Coil Casing: Stainless steel 316L.
4. Headers for Steam and Water Coils: copper with connections for drain valve and air vent, and
threaded piping connections.

F. Water Coils: Drainable with threaded plugs, serpentine with return bends in smaller sizes and with return
headers in larger sizes.

G. Direct-Expansion Refrigerant Coils: ASHRAE 15 AND 34 PACKAGE, “Safety Standard for Refrigeration
Systems”, with the following features:

1. Suction Headers and Distributor Tubes: Seamless copper.

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2. Refrigerant Distributor: Design for low pressure drop, for down feed with solder connections, and
with maximum of 12 circuits for each distributor.

H. Coil-Performance Tests: Factory-test cooling and heating coils, except sprayed surface coils for rating
according to ANSI/ARI 410-2001, "Forced-Circulation Air-Cooling and Air-Heating Coils."

2.8 DAMPERS

A. General: Leakage rate, according to AMCA 500-L-07, "Test Methods for Louvers, Dampers and Shutters,"
shall not exceed 2 percent of air quantity at 10-m/s (2000-fpm) face velocity through damper and 1000-Pa
(4-inch wg) pressure differential. 1. Damper operators shall be electrically operated.
2. Damper operators are specified in Division 15 Section "HVAC Instrumentation and Controls."

B. Heightened airtight dampers: Dampers shall be at least of class 4 (total leakage) and class C (frame leakage)
in accordance with EN 1751 standard, and shall be suitable for use in the event of disinfection procedure
by formalization.
1. Stainless steel 316L opposed aerofoil blades.
2. Stainless steel 316L tie rods.
3. Teflon bearings.
4. Gaskets and edge seals between blades and mechanically fasten to operating rod.

C. Mixing Boxes: Parallel-blade galvanized steel damper blades mechanically fastened to steel operating rod
in reinforced, galvanized steel cabinet. Connect operating rods with common linkage and interconnect
linkages so dampers operate simultaneously.

D. Combination Filter/Mixing Box: Parallel-blade galvanized steel damper blades mechanically fastened to
steel operating rod in reinforced, galvanized steel cabinet. Connect operating rods with common linkage
and interconnect linkages so dampers operate simultaneously. Cabinet support members shall hold 50mm
thick, pleated, flat permanent or throwaway filters. Provide hinged access panels or doors to allow removal
of filters from both sides of unit.

2.9 FILTER SECTION

A. Air Filters: Refer to Section "Air Filters."

B. The filtration systems shall meet the requirements of the EN 779 standard in terms of “medium” and ”high”
efficiency categories and the requirements of the EN 1822 standard for very high efficiency categories.
C. The filtration surface shall comprise rail-mounted filter cells, with the addition of a foam seal between the
frame’s outer surround and the filter cells, and the addition of mastic sealing between the filtration surface
frame and the air handling unit tunnel.

D. The filtration surface air tightness of “high” efficiency categories shall be ensured by way of a sliding rail
actuated by compression handles. The replacement of the filters shall be carried out without tools.

E. Filter Housing: Provide filter media holding frames arranged for flat, angular orientation, or big filters,
minimum thickness, 14 gage steel with baked finish inside and out. Joints shall be continuously welded.
Flange shall have a fixed air-sealing gasket with hollow cross section, closed cell rubber or resilient
neoprene, suitable for repetitive reuse. Cabinets shall have flanged ends for connection to adjacent ducts.
Hinged access doors on both cabinet sides. Provide access doors with fixed air sealing gaskets to be airtight

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at the static pressure expected in service. Weld test ports into each filter cabinet or plenum. Test port shall
not penetrate to filter frame or media.

F. Permanent Filters: G4, Washable, cleanable, 50 mm thick, with stainless-steel media and stainless-steel
frames, clean airflow resistance of 62 Pa (0.25 inch wg) at face velocity of 2.54 m/s (500 fpm), and CEN
EN 779 filter-arrestance efficiency over 90 percent.

G. Disposable Filters: F9, 600-mm thick, viscous-coated fibers encased in fiberboard cell with perforatedmetal
media support, clean airflow resistance of 37 Pa (0.15 inch wg) at face velocity of 1.52 m/s (300 fpm) and
CEN EN 779 filter-arrestance efficiency over 95 percent. H. Differential pressure gauges installed on each
filter section.

2.10 TESTING A.
General:

1. ARI certified AHUs: AHUs selected by the Engineer for testing shall be factory assembled and
tested prior to shipment and shall be shipped prior to any untested units.
2. Non-ARI certified AHUs: All units shall be factory assembled and tested.
3. Units specified to be tested shall be factory assembled and tested in accordance with specified Test
Procedure to demonstrate compliance with required unit capacities, ensure correct fit of all
components and minimize field assembly labor. B. Factory Test:

1. The test procedure, instrumentation and calculation shall use those methods specified in Division 15
Section “Testing, Adjusting and Balancing”; however test methods including instruments used must
be submitted and approved by the Engineer prior to initiating testing. The AHUs shall be tested for
air volume, static pressure for AHU and each component, fan RPM and power consumption for the
maximum of present or future design conditions. Submit fan curves showing test results.

C. Approval:

1. Factory tests shall be witnessed by the Engineer’s and Employer’s representative. The team will
comprise at least three persons from the Client’s side. All expenses to be borne by the Contractor .
The Contractor shall provide the Engineer with a minimum two-week notice prior to proposed
schedule test.
2. Failure of AHU to meet test requirements shall require correction of deficiency and re-testing of
unit.
3. Submit written results of factory tests for approval prior to shipping.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions to receive equipment, for compliance with installation tolerances and other
conditions affecting performance of central-station air-handling units.

B. Examine roughing-in of steam, hydronic, condensate drainage piping, and electrical to verify actual
locations of connections before installation.

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C. Do not proceed with installation until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Install central-station air-handling units level and plumb, according to manufacturer's written instructions.

1. Floor-Mounted Units: Support on concrete housekeeping bases using neoprene pads. Secure units
to anchor bolts installed in concrete housekeeping base.
2. Suspended Units: Suspend units from structural-steel support frame using threaded steel rods and
vibration isolation.

B. Arrange installation of units to provide access space around air-handling units for service and maintenance.

3.3 HOUSEKEEPING BASES

A. Coordinate size of housekeeping bases with actual unit sizes provided. Construct base 100 mm larger in
both directions than overall dimensions of supported unit.

B. Form concrete bases with steel channels conforming to ASTM A36/A36M-08, size and location as
indicated. Miter and weld corner and provide cross bracing. Anchor or key to floor slab.

C. Form concrete bases with framing lumber with form-release compounds. Chamfer top edge and corners of
base.

D. Install reinforcing bars, tied to frame, and place anchor bolts and sleeves to facilitate securing units.

E. Place concrete and allow to cure before installing units. Use portland cement conforming to ASTM
C150/C150M-09, 27-MPa compressive strength, and normal-weight aggregate.

F. Clean exposed steel form according to SSPC-SP 2 – 1982(R2004) or SSPC-SP 3 – 1982(R2004) and apply
2 coats of rust-preventive metal primer and paint.
3.4 CONNECTIONS

A. Piping installation requirements are specified in other Division 15 Sections. The Drawings indicate the
general arrangement of piping, fittings, and specialties. The following are specific connection
requirements:

1. Install piping adjacent to machine to allow service and maintenance.

2. Connection piping to suspended air-handling units with flexible connectors.
3. Connect condensate drain pans. Extend to nearest equipment or floor drain. Construct deep trap at
connection to drain pan and install cleanouts at changes in direction.
4. Hot- and Chilled-Water Piping: Conform to applicable requirements of Division 15 Section
"Hydronic Piping." Connect to supply and return coil tappings with shutoff or balancing valve and
union or flange at each connection.
5. Steam and Condensate Piping: Conform to applicable requirements of Division 15 Section "Steam
and Condensate Piping." Connect to supply and return coil tappings with shutoff valve and union
or flange at each connection.
6. Refrigerant Piping: Conform to applicable requirements of Division 15 Section "Refrigerant
Piping." Connect to supply and return coil tappings with shutoff valve and union or flange at each
connection.

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B. Duct installation and connection requirements are specified in other Division 15 Sections. The Drawings
indicate the general arrangement of ducts and duct accessories. Make final duct connections with factory-
provided duct collars and flexible connections.

C. Electrical: Conform to applicable requirements of Division 16 Sections.

1. Connect fan motors to wiring systems and to ground. Tighten electrical connectors and terminals
according to manufacturer's published torque-tightening values. Where manufacturer's torque
values are not indicated, use those specified in ANSI/UL 486A-486B - 2004.
2. Temperature control wiring and interlock wiring is specified in Division 15 Section "HVAC
Instrumentation and Controls."

3.5 ADJUSTING

A. Adjust damper linkages for proper damper operation.

3.6 CLEANING

A. After completing installation, inspect exposed finish. Remove burrs, dirt, and construction debris, and
repair damaged finishes including chips, scratches, and abrasions.

B. Clean fan interiors to remove foreign material and construction dirt and dust. Vacuum clean fan wheels,
cabinets, and coils entering air face.

3.7 COMMISSIONING

A. Manufacturer's Field Inspection: Engage a factory-authorized service representative to perform the

following:
1. Inspect field assembly of components and installation of central-station air-
handling units including piping, ductwork, and electrical connections.
2. Prepare a written report on findings and recommended corrective actions. B.
Final Checks before Startup: Perform the following before startup:

1. Verify that shipping, blocking, and bracing are removed.

2. Verify that unit is secure on mountings and supporting devices and that connections for piping,
ductwork, and electrical are complete. Verify that proper thermal overload protection is installed in
motors, starters, and disconnects.
3. Perform cleaning and adjusting specified in this Section.
4. Disconnect fan drive from motor, verify proper motor rotation direction, and verify free fan wheel
rotation and smooth bearings operations. Reconnect fan drive system, align belts, and install belt
guards.
5. Lubricate bearings, pulleys, belts, and other moving parts with factory-recommended lubricants.
6. Set zone dampers to fully open position for each zone.
7. Set face-and-bypass dampers to full face flow.
8. Set outside-air and return-air mixing dampers to minimum outside-air setting.
9. Comb coil fins for parallel orientation.
10. Install clean filters.
11. Verify that manual and automatic volume control, and fire and smoke dampers in connected
ductwork systems are in fully open position.

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C. Starting procedures for central-station air-handling units include the following:

1. Energize motor; verify proper operation of motor, drive system, and fan wheel. Adjust fan to indicated
rpm.

a. Replace or adjust fan and motor pulleys as required to achieve design conditions. Fix in final
position after balancing is achieved.

2. Measure and record motor electrical values for voltage and amperage.
3. Manually operate dampers from fully closed to fully open position and record fan performance.

D. Refer to Division 15 Section "Testing, Adjusting, and Balancing" for air-handling system testing, adjusting,
and balancing.

3.8 DEMONSTRATION

A. Engage a factory-authorized service representative to train Employer's maintenance personnel to adjust, operate,
and maintain central-station air-handling units. Refer to Division 1.

END OF SECTION 15726

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SECTION 15738 - SPLIT-SYSTEM AIR-CONDITIONING UNITS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes split-system air-conditioning units consisting of separate evaporator-fan and
compressor-condenser components. Units are designed for exposed or concealed mounting, and may be
connected to ducts.

1.3 DEFINITIONS

A. Evaporator-Fan Unit: The part of the split-system air-conditioning unit that contains a coil for cooling
and a fan to circulate air to conditioned space.

B. Compressor-Condenser Unit: The part of the split-system air-conditioning unit that contains a refrigerant
compressor and a coil for condensing refrigerant.

1.4 SUBMITTALS

A. Product Data: Include rated capacities; shipping, installed, and operating weights; furnished specialties;
and accessories for each type of product indicated. Include performance data in terms of capacities,
outlet velocities, static pressures, sound power characteristics, motor requirements, and electrical
characteristics.

1. Sample Warranty: Copy of manufacturer's proposed warranty, stating obligations, remedies,

limitations, and exclusions.

B. Shop Drawings: Diagram power, signal, and control wiring and differentiate between manufacturer-
installed and field-installed wiring.

C. Samples for Initial Selection: Manufacturer's color charts consisting of units of sections of units showing
the full range of colors available for units with factory-applied color finishes.

D. Field Test and Commissioning Reports: As specified in "Field Quality Control" and "Commissioning"
Articles in Part 3 of this Section. Indicate and interpret test results for compliance with performance
requirements.

E. Maintenance Data: For split-system air-conditioning units to include in maintenance manuals specified in
Division 1.

F. Warranties: Warranties specified in this Section.

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1.5 QUALITY ASSURANCE

A. Product Options: Drawings indicate size, profiles, and dimensional requirements of split-system units
and are based on the specific system indicated. Other manufacturers' systems with equal performance
characteristics may be considered.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100.

C. Paint finish shall be suitable for hot and humid climates. Unit shall be capable and suitable of working at
outdoor ambient temperature of 50 deg. C.

D. Sound-power-level, decibels reference, 10 to the minus 12 power watt, at the fan operating speed selected
to meet the specified capacity. Sound level shall not exceed 40dBa at low speed and 48dBa at high speed.

E. Sound-power-level data or values for these units shall be obtained in accordance with the test procedures
specified in ANSI S12.23. Sound-power values apply to units provided with factory-fabricated cabinet
enclosures and standard grilles. Values obtained for the standard cabinet models will be acceptable for
concealed models without separate tests provided there is no variation between models as to the coil
configuration, blowers, motor speeds, or relative arrangement of parts. Each unit shall be fastened
securely to the building structure.

1.6 COORDINATION

A. Coordinate size and location of concrete bases for units. Cast anchor-bolt inserts into bases. Concrete,
reinforcement, and formwork are specified in Division 3 Section "Cast-in-Place Concrete."

B. Coordinate size, location, and connection details with roof curbs, equipment supports, and roof
penetrations specified in Section "Roof Accessories."

1.7 WARRANTY

A. Manufacturer's Warranty: Provide written warranty, signed by manufacturer agreeing to repair or replace
components of split-system air-conditioning units that fail in materials or workmanship within specified
warranty period.

B. Warranty Period: [Five] <Insert other number> years from date of Substantial Completion.

1.8 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with
protective covering for storage and identified with labels describing contents.

1. Filters: One set of filters for each unit.

PART 2 - PRODUCTS

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2.1 STANDARD COMMERCIAL PRODUCTS

A. A. Materials and equipment shall be standard products of a manufacturer regularly engaged in the
manufacturing of such products, which are of a similar material, design and workmanship. The standard
products shall have been in satisfactory commercial or industrial use for 5 years prior to bid opening. The
5 year use shall include applications of equipment and materials under similar circumstances and of
similar size. The 5 years experience shall be satisfactorily completed by a product that has been sold or is
offered for sale on the commercial market through advertisements, manufacturer's catalogs, or brochures.
Products having less than a 5 year field service record shall not be acceptable. Products shall be supported
by a service organization. System components shall be environmentally suitable for the indicated
locations.

2.2 CONCEALED EVAPORATOR-FAN COMPONENTS

A. Chassis: Galvanized steel with flanged edges, removable panels for servicing, and insulation on back of
panel.

1. Insulation: Faced, glass-fiber duct liner.

2. Drain Pans: Stainless steel, with connection for drain; insulated with polystyrene.

B. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins, complying with ARI 210/240,
and with thermal-expansion valve.

C. Fan: Forward-curved, double-width wheel of galvanized steel; directly connected to motor.

D. Fan Motor: Multispeed, PSC type.

E. Filters: 25 mm thick, permanent, washable, cleanable type in aluminum frames.

F. Wiring Terminations: Connect motor to chassis wiring with plug connection.

2.3 FLOOR-MOUNTED, EVAPORATOR-FAN COMPONENTS

A. Cabinet: Enameled steel with removable panels on front and ends.

1. Discharge Grille: [Steel with surface-mounted frame] [Welded steel bars forming a linear
grille and welded into supporting panel].
2. Insulation: Faced, glass-fiber, duct liner.
3. Drain Pans: Stainless steel, with connection for drain; insulated with polystyrene..

B. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins, complying with ARI 210/240,
and with thermal-expansion valve.

C. Electric Coil: Helical, nickel-chrome, resistance-wire heating elements with refractory ceramic support
bushings; automatic-reset thermal cutout; built-in magnetic contactors; manual-reset thermal cutout;
airflow proving device; and one-time fuses in terminal box for overcurrent protection.

D. Fan and Motor: Centrifugal fan, directly driven by multispeed, electric motor with integral overload
protection; resiliently mounted.

E. Filters: 25 mm thick, permanent, washable, cleanable type in aluminum frames.

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2.4 WALL- OR CEILING-MOUNTED, EVAPORATOR-FAN COMPONENTS

A. Cabinet: Enameled steel with removable panels on front and ends, and discharge drain pans with drain
connection.

B. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins, complying with ARI 210/240,
and with thermal-expansion valve.

C. Electric Coil: Helical, nickel-chrome, resistance-wire heating elements with refractory ceramic support
bushings; automatic-reset thermal cutout; built-in magnetic contactors; manual-reset thermal cutout;
airflow proving device; and one-time fuses in terminal box for overcurrent protection.

D. Fan and Motor: Centrifugal fan, directly driven by multispeed, electric motor with integral overload
protection; resiliently mounted.

E. Filters: 25 mm thick, permanent, washable, cleanable type in aluminum frames.

2.5 AIR-COOLED, COMPRESSOR-CONDENSER COMPONENTS

A. Casing: Steel, finished with baked enamel, with removable panels for access to controls, weep holes for
water drainage, and mounting holes in base. Provide brass service valves, fittings, and gage ports on
exterior of casing.

B. Compressor: Hermetically sealed with crankcase heater and mounted on vibration isolation. Compressor
motor shall have thermal- and current-sensitive overload devices, start capacitor, relay, and contactor.

1. Compressor Type: Scroll.

C. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins, complying with ARI 210/240,
and with liquid subcooler.

D. Refrigerant: Environmentally friendly refrigerant.

E. Heat Pump Components: Reversing valve and low-temperature air cut-off thermostat.

F. Fan: Aluminum-propeller type, directly connected to motor.

G. Motor: Permanently lubricated, with integral thermal-overload protection.

H. Low Ambient Kit: Permits operation down to 7 deg C .

I. Mounting Base: Polyethylene.

2.6 ACCESSORIES

A. Thermostat: [Low voltage with sub-base to control compressor and evaporator fan].

B. Thermostat: [Wireless infrared functioning to remotely control compressor and evaporator fan, with the
following features:

1. Compressor time delay.

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2. 24-hour time control of system stop and start.

3. Liquid-crystal display indicating temperature, set-point temperature, time setting, operating mode,
and fan speed.
4. Fan-speed selection, including auto setting].
5. Interface with BMS

C. Thermostat: [DDC wall type. Refer to specification section 15900, clause 2.5–A]

D. Automatic-reset timer to prevent rapid cycling of compressor.

E. Refrigerant Line Kits: Soft-annealed copper suction and liquid lines factory cleaned, dried, pressurized,
and sealed; factory-insulated suction line with flared fittings at both ends.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install units level and plumb.

B. Install evaporator-fan components using manufacturer's standard mounting devices securely fastened to
building structure.

C. Install ground-mounted, compressor-condenser components on minimum 100 mm thick, reinforced

concrete base; 100 mm larger on each side than unit. Concrete, reinforcement, and formwork are
specified in Section "Cast-in-Place Concrete." Coordinate anchor installation with concrete base.

D. Install roof-mounted compressor-condenser components on equipment supports specified in Section

"Roof Accessories." Anchor units to supports with removable, cadmium-plated fasteners.

E. Install compressor-condenser components on restrained, spring isolators with a minimum static deflection
of 25 mm. Refer to Section "Mechanical Vibration Controls and Seismic Restraints."

F. Connect precharged refrigerant tubing to component's quick-connect fittings. Install tubing to allow
access to unit.

3.2 CONNECTIONS

A. Piping installation requirements are specified in other Division 15 Sections. Drawings indicate general
arrangement of piping, fittings, and specialties.

B. Install piping adjacent to unit to allow service and maintenance.

C. Unless otherwise indicated, connect piping with unions and shutoff valves to allow units to be
disconnected without draining piping. Refer to piping system Sections for specific valve and specialty
arrangements.

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D. Ground equipment.

1. Tighten electrical connectors and terminals according to manufacturer's published torque-

tightening values. If manufacturer's torque values are not indicated, use those specified in
UL 486A and UL 486B.

3.3 FIELD QUALITY CONTROL

A. Installation Inspection: Engage a factory-authorized service representative to inspect field-assembled

components and equipment installation, including piping and electrical connections, and to prepare a
written report of inspection.

B. Leak Test: After installation, charge system and test for leaks. Repair leaks and retest until no leaks
exist.

C. Operational Test: After electrical circuitry has been energized, start units to confirm proper motor
rotation and unit operation. Remove malfunctioning units, replace with new components, and retest.

D. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

3.4 COMMISSIONING

A. Engage a factory-authorized service representative to perform startup service, and report results in
writing.

B. Verify that units are installed and connected according to the Contract Documents.

C. Lubricate bearings, adjust belt tension, and change filters.

D. Perform startup checks according to manufacturer's written instructions and do the following:

1. Fill out manufacturer's checklists.

2. Check for unobstructed airflow over coils.
3. Check operation of condenser capacity-control device.
4. Verify that vibration isolation devices and flexible connectors dampen vibration transmission to
structure.

3.5 DEMONSTRATION

A. Engage a factory-authorized service representative to train the Employer's maintenance personnel to

adjust, operate, and maintain split-system air-conditioning units. Refer to Division 1.

END OF SECTION 15738

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SECTION 15815 - METAL DUCTS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes rectangular, round, and flat-oval metal ducts and plenums for heating, ventilating,
and air-conditioning systems in pressure classes from minus 500 to plus 2490 Pa (minus 2- to plus 10-
inch wg).

1.3 DEFINITIONS

A. Thermal Conductivity and Apparent Thermal Conductivity (k-Value): As defined in ASTM C 168. In
this Section, these values are the result of the formula Btu x in./h x sq. ft. x deg F or W/m x K at the
temperature differences specified. Values are expressed as Btu or W.

1. Example: Apparent Thermal Conductivity (k-Value): 0.26 or 0.037.

1.4 SYSTEM DESCRIPTION

A. Duct system design, as indicated, has been used to select and size air-moving and -distribution equipment
and other components of air system. Changes to layout or configuration of duct system must be
specifically approved in writing by Engineer. Accompany requests for layout modifications with
calculations showing that proposed layout will provide original design results without increasing system
total pressure.

1.5 SUBMITTALS

A. Product Data: For duct liner and sealing materials.

B. Shop Drawings: Show details of the following:

1. Fabrication, assembly, and installation, including plans, elevations, sections, components, and
attachments to other work.
2. Duct layout indicating pressure classifications and sizes on plans.
3. Fittings.
4. Reinforcement and spacing.
5. Seam and joint construction.
6. Penetrations through fire-rated and other partitions.
7. Terminal unit, coil, and humidifier installations.

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8. Hangers and supports, including methods for building attachment, vibration isolation, seismic
restraints, and duct attachment.

C. Coordination Drawings: Reflected ceiling plans drawn to scale and coordinating penetrations and
ceiling-mounted items. Show the following:

1. Ceiling suspension assembly members.

2. Other systems installed in same space as ducts.
3. Ceiling- and wall-mounted access doors and panels required to provide access to dampers and
other operating devices.
4. Coordination with ceiling-mounted items, including lighting fixtures, diffusers, grilles, speakers,
sprinkler heads, access panels, and special moldings.

D. Welding Certificates: Copies of certificates indicating welding procedures and personnel comply with
requirements in "Quality Assurance" Article.

E. Field Test Reports: As specified in "Field Quality Control" Article in Part 3 of this Section. Indicate and
interpret test results for compliance with performance requirements.

F. Record (As-Built) Drawings: Indicate actual routing, fitting details, reinforcement, support, and installed
accessories and devices.

1.6 QUALITY ASSURANCE

A. Welding Standards: Qualify welding procedures and welding personnel to perform welding processes for
this Project according to AWS D1.1, "Structural Welding Code--Steel," for hangers and supports;
AWS D1.2, "Structural Welding Code--Aluminum," for aluminum supporting members; and AWS D9.1,
"Sheet Metal Welding Code," for duct joint and seam welding.

B. Comply with NFPA 90A, "Installation of Air Conditioning and Ventilating Systems," unless otherwise
indicated.

C. Comply with NFPA 90B, "Installation of Warm Air Heating and Air Conditioning Systems," unless
otherwise indicated.

D. Comply with NFPA 96, "Ventilation Control and Fire Protection of Commercial Cooking Operations,"
Chapter 3, "Duct System," for range hood ducts, unless otherwise indicated.

E. Mockups: Before installing duct systems, erect mockups representing system pressure classifications
higher than 500 Pa (2-inch wg). Build mockups to comply with the following requirements, using
materials indicated for completed Work:

1. Locate mockups in the locations and of the size indicated or, if not indicated, as directed by
Engineer. Mockup may be a representative section of the actual duct system.
2. Include the minimum number of each of the following features and fittings:

a. Five transverse joints.

b. One access door.
c. Two typical branch connections, each with at least one elbow.
d. Two typical flexible duct or flexible connector connections for each duct and apparatus.

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3. Perform tests specified in "Field Quality Control" Article. Modify mockup construction and
perform additional tests as required to achieve specified minimum acceptable results.
4. Obtain Engineer's approval of mockups before starting Work.
5. Maintain mockups during construction in an undisturbed condition as a standard for judging the
completed Work.
6. When directed, demolish and remove mockups from Project site.
7. Approved mockups in an undisturbed condition at the time of Substantial Completion may
become part of the completed Work.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver sealant and firestopping materials to site in original unopened containers or bundles with labels
indicating manufacturer, product name and designation, color, expiration period for use, pot life, curing
time, and mixing instructions for multicomponent materials.

B. Store and handle sealant and firestopping materials according to manufacturer's written
recommendations.

C. Deliver and store stainless-steel sheets with mill-applied adhesive protective paper maintained through
fabrication and installation.

PART 2 - PRODUCTS

2.1 SHEET METAL MATERIALS

A. Galvanized, Sheet Steel: Lock-forming quality; ASTM A 653/A 653M, Z275 (G90) coating designation;
mill-phosphatized finish for surfaces of ducts exposed to view.

B. Carbon-Steel Sheets: ASTM A 366/A 366M, cold-rolled sheets; commercial quality; with oiled, exposed
matte finish.

C. Stainless Steel: ASTM A 480/A 480M, Type 316, sheet form with No. 4 finish for surfaces of ducts
exposed to view; and Type 304, sheet form with No. 1 finish for concealed ducts.

D. Aluminum Sheets: ASTM B 209M (ASTM B 209), Alloy 3003, Temper H14, sheet form with standard,
one-side bright finish for ducts exposed to view and with mill finish for concealed ducts.

E. Reinforcement Shapes and Plates: Galvanized steel reinforcement where installed on galvanized, sheet
metal ducts; compatible materials for aluminum and stainless-steel ducts.

F. Tie Rods: Galvanized steel, 6-mm minimum diameter for 900-mm length or less; 10-mm minimum
diameter for lengths longer than 900 mm.

2.2 DUCT LINER

A. General: Comply with NFPA 90A or NFPA 90B and NAIMA's "Fibrous Glass Duct Liner Standard."

B. Materials: ASTM C 1071 with coated surface exposed to airstream to prevent erosion of glass fibers.

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1. Thickness: 25 mm.
2. Thermal Conductivity (k-Value): 0.037 at 24 deg C (0.26 at 75 deg F) mean temperature.
3. Fire-Hazard Classification: Maximum flame-spread rating of 25 and smoke-developed rating of
50, when tested according to ASTM C 411.
4. Liner Adhesive: Comply with NFPA 90A or NFPA 90B and ASTM C 916.
5. Mechanical Fasteners: Galvanized steel, suitable for adhesive attachment, mechanical attachment,
or welding attachment to duct without damaging liner when applied as recommended by
manufacturer and without causing leakage in duct.

a. Tensile Strength: Indefinitely sustain a 23-kg tensile, dead-load test perpendicular to duct
wall.
b. Fastener Pin Length: As required for thickness of insulation and without projecting more
than 3 mm into airstream.
c. Adhesive for Attaching Mechanical Fasteners: Comply with fire-hazard classification of
duct liner system.

2.3 SEALANT MATERIALS

A. Joint and Seam Sealants, General: The term "sealant" is not limited to materials of adhesive or mastic
nature but includes tapes and combinations of open-weave fabric strips and mastics.

1. Joint and Seam Tape: 50 mm wide; glass-fiber fabric reinforced.

2. Tape Sealing System: Woven-fiber tape impregnated with a gypsum mineral compound and a
modified acrylic/silicone activator to react exothermically with tape to form a hard, durable,
airtight seal.
3. Joint and Seam Sealant: One-part, nonsag, solvent-release-curing, polymerized butyl sealant,
formulated with a minimum of 75 percent solids.
4. Flanged Joint Mastics: One-part, acid-curing, silicone, elastomeric joint sealants, complying with
ASTM C 920, Type S, Grade NS, Class 25, Use O.

2.4 HANGERS AND SUPPORTS

A. Building Attachments: Concrete inserts, powder-actuated fasteners, or structural-steel fasteners

appropriate for building materials.

1. Use powder-actuated concrete fasteners for standard-weight aggregate concretes or for slabs more
than 100 mm thick.
2. Exception: Do not use powder-actuated concrete fasteners for lightweight-aggregate concretes or
for slabs less than 100 mm thick.

B. Hanger Materials: Galvanized, sheet steel or round, all-threaded steel rod.

1. Hangers Installed in Corrosive Atmospheres: Electrogalvanized, all-thread rod.

2. Straps and Rod Sizes: Comply with SMACNA's "HVAC Duct Construction Standards--Metal and
Flexible" for sheet steel width and thickness and for steel rod diameters.

C. Duct Attachments: Sheet metal screws, blind rivets, or self-tapping metal screws; compatible with duct
materials.

D. Trapeze and Riser Supports: Steel shapes complying with ASTM A 36/A 36M.

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1. Supports for Galvanized-Steel Ducts: Galvanized steel shapes and plates.

2. Supports for Stainless-Steel Ducts: Stainless-steel support materials.
3. Supports for Aluminum Ducts: Aluminum support materials, unless materials are electrolytically
separated from ductwork.

2.5 RECTANGULAR DUCT FABRICATION

A. General: Fabricate ducts, elbows, transitions, offsets, branch connections, and other construction with
galvanized, sheet steel, according to SMACNA's "HVAC Duct Construction Standards--Metal and
Flexible." Comply with requirements for metal thickness, reinforcing types and intervals, tie-rod
applications, and joint types and intervals.

1. Lengths: Fabricate rectangular ducts in lengths appropriate to reinforcement and rigidity class
required for pressure classification.
2. Materials: Free from visual imperfections such as pitting, seam marks, roller marks, stains, and
discolorations.

B. Fabricate grease hood exhaust ducts with 3-mm thick, carbon-steel sheet for concealed ducts and 2.5-mm
thick stainless steel for exposed ducts. Continuous weld seams and joints. Comply with NFPA 96.

C. Fabricate dishwasher hood exhaust ducts with 1.3-mm thick stainless steel. Continuous weld seams and
joints.

D. Fabricate locker room shower exhaust ducts with 1.3-mm thick aluminum. Continuous weld seams and
joints.

E. Acid-Resistant Ducts: PVC-coated galvanized steel.

F. Static-Pressure Classifications: Unless otherwise indicated, construct ducts to the following:

1. Supply Ducts, Constant Volume and Upstream of Terminal Units: 1500 Pa (6-inch wg).
2. Supply Ducts, Downstream of Terminal Units: 500 Pa (2-inch wg).
3. Return Ducts: 500 Pa (2-inch wg), negative pressure.
4. Exhaust Ducts: 500 Pa (2-inch wg), negative pressure.

G. Cross Breaking or Cross Beading: Cross break or cross bead duct sides 480 mm and larger and 0.9 mm
thick or less, with more than 0.93 sq. m of unbraced panel area, unless ducts are lined.

2.6 SHOP APPLICATION OF LINER IN RECTANGULAR DUCTS

A. Adhere a single layer of indicated thickness of duct liner with 90 percent coverage of adhesive at liner
contact surface area. Multiple layers of insulation to achieve indicated thickness are prohibited.

B. Apply adhesive to liner facing in direction of airflow not receiving metal nosing.

C. Butt transverse joints without gaps and coat joint with adhesive.

D. Fold and compress liner in corners of rectangular ducts or cut and fit to ensure butted-edge overlapping.

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E. Do not apply liners in rectangular ducts with longitudinal joints, except at corners of ducts, unless duct
size and standard liner product dimensions make longitudinal joints necessary.

F. Apply adhesive coating on longitudinal seams in ducts with air velocity of 12.7 m/s (2500 fpm).

G. Secure liner with mechanical fasteners 100 mm from corners and at intervals not exceeding 300 mm
transversely around perimeter; at 75 mm from transverse joints and at intervals not exceeding 450 mm
longitudinally.

H. Secure transversely oriented liner edges facing the airstream with metal nosings that have either channel
or "Z" profile or are integrally formed from duct wall. Fabricate edge facings at the following locations:

1. Fan discharge.
2. Intervals of lined duct preceding unlined duct.
3. Upstream edges of transverse joints in ducts.

I. Secure insulation liner with perforated sheet metal liner of same metal thickness as specified for duct,
secured to ducts with mechanical fasteners that maintain metal liner distance from duct without
compressing insulation.

1. Sheet Metal Liner Perforations: 2.4-mm diameter, with an overall open area of 23 percent.

J. Terminate liner with duct buildouts installed in ducts to attach dampers, turning vane assemblies, and
other devices. Fabricated buildouts (metal hat sections) or other buildout means are optional; when used,
secure buildouts to duct wall with bolts, screws, rivets, or welds. Terminate liner at fire dampers at
connection to fire-damper sleeve.

2.7 ROUND AND FLAT-OVAL DUCT FABRICATION

A. General: Diameter as applied to flat-oval ducts in this Article is the diameter of the size of round duct
that has a circumference equal to perimeter of a given size of flat-oval duct.

B. Round Ducts: Fabricate supply ducts of spiral seam, galvanized steel according to SMACNA's "HVAC
Duct Construction Standards--Metal and Flexible."

C. Flat-Oval Ducts: Fabricate supply ducts with standard spiral lock seams or with butt-welded longitudinal
seams according to SMACNA's "HVAC Duct Construction Standards--Metal and Flexible."

D. Double-Wall (Insulated) Ducts: Fabricate double-wall (insulated) ducts with spiral seam outer shell and
an inner liner. Dimensions indicated on internally insulated ducts are inside dimensions.

1. Thermal Conductivity (k-Value): 0.037 at 24 deg C (0.26 at 75 deg F) mean temperature.

2. Outer Shell: Base outer-shell metal thickness on actual outer-shell dimensions. Fabricate outer-
shell lengths 50 mm longer than inner shell and insulation, and in metal thickness specified for
single-wall duct.
3. Insulation: 25-mm thick fibrous-glass insulation, unless otherwise indicated. Terminate
insulation where internally insulated duct connects to single-wall duct or uninsulated components.
Terminate insulation and reduce outer duct diameter to inner liner diameter.
4. Solid Inner Liner: Fabricate round and flat-oval inner liners with solid sheet metal of thickness
listed below:

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5. Perforated Inner Liner: Fabricate round and flat-oval inner liners with sheet metal having 2.4-mm
diameter perforations, with an overall open area of 23 percent. Use the following sheet metal
thicknesses and seam construction:

a. Ducts 75 to 200 mm in Diameter: 0.5 mm with standard spiral seam construction.

b. Ducts 225 to 1070 mm in Diameter: 0.5 mm with single-rib spiral seam construction.
c. Ducts 1120 to 1525 mm in Diameter: 0.55 mm with single-rib spiral seam construction.
d. Ducts 1575 to 2235 mm in Diameter: 0.85 mm with standard spiral seam construction.

6. Maintain concentricity of liner to outer shell by mechanical means. Retain insulation from
dislocation by mechanical means.

2.8 ROUND AND FLAT-OVAL SUPPLY AND EXHAUST FITTING FABRICATION

A. 90-Degree Tees and Laterals and Conical Tees: Fabricate to comply with SMACNA's "HVAC Duct
Construction Standards--Metal and Flexible," with metal thicknesses specified for longitudinal seam
straight duct.

B. Diverging-Flow Fittings: Fabricate with a reduced entrance to branch taps with no excess material
projecting from body onto branch tap entrance.

C. Elbows: Fabricate in die-formed, gored, pleated, or mitered construction. Fabricate bend radius of die-
formed, gored, and pleated elbows one and one-half times elbow diameter. Unless elbow construction
type is indicated, fabricate elbows as follows:

1. Mitered-Elbow Radius and Number of Pieces: Welded construction complying with SMACNA's
"HVAC Duct Construction Standards--Metal and Flexible," unless otherwise indicated.
2. Round Mitered Elbows: Welded construction with the following metal thickness for pressure
classes from minus 500 to plus 500 Pa (minus 2- to plus 2-inch wg):

a. Ducts 75 to 660 mm in Diameter: 0.7 mm.

b. Ducts 685 to 915 mm in Diameter: 0.85 mm.
c. Ducts 940 to 1270 mm in Diameter: 1.0 mm.
d. Ducts 1320 to 1525 mm in Diameter: 1.3 mm.
e. Ducts 1575 to 2130 mm in Diameter: 1.6 mm.

3. Round Mitered Elbows: Welded construction with the following metal thickness for pressure
classes from 500 to 2490 Pa (2- to 10-inch wg):

a. Ducts 75 to 355 mm in Diameter: 0.7 mm.

b. Ducts 380 to 660 mm in Diameter: 0.85 mm.
c. Ducts 685 to 1270 mm in Diameter: 1.0 mm.
d. Ducts 1320 to 1525 mm in Diameter: 1.3 mm.
e. Ducts 1575 to 2130 mm in Diameter: 1.6 mm.

4. Flat-Oval Mitered Elbows: Welded construction with same metal thickness as longitudinal seam
flat-oval duct.
5. 90-Degree, Two-Piece, Mitered Elbows: Use only for supply systems, or exhaust systems for
material-handling classes A and B; and only where space restrictions do not permit using 1.5 bend
radius elbows. Fabricate with single-thickness turning vanes.

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6. Round Elbows, 200 mm and Smaller: Fabricate die-formed elbows for 45- and 90-degree elbows
and pleated elbows for 30, 45, 60, and 90 degrees only. Fabricate nonstandard bend-angle
configuration or nonstandard diameter elbows with gored construction.
7. Round Elbows, 225 through 355 mm: Fabricate gored or pleated elbows for 30, 45, 60, and 90
degrees, unless space restrictions require a mitered elbow. Fabricate nonstandard bend-angle
configuration or nonstandard diameter elbows with gored construction.
8. Round Elbows, Larger Than 355 mm, and All Flat-Oval Elbows: Fabricate gored elbows, unless
space restrictions require a mitered elbow.
9. Die-Formed Elbows for Sizes through 200 mm and All Pressures: 1.0 mm thick with two-piece
welded construction.
10. Round Gored-Elbow Metal Thickness: Same as non-elbow fittings specified above.
11. Flat-Oval Elbow Metal Thickness: Same as longitudinal seam flat-oval duct specified above.
12. Pleated Elbows for Sizes through 355 mm and Pressures through 2490 Pa (10-Inch wg): 0.55 mm.

D. Double-Wall (Insulated) Fittings: Fabricate double-wall (insulated) fittings with an outer shell and an
inner liner. Dimensions indicated on internally insulated ducts are inside dimensions.

1. Thermal Conductivity (k-Value): 0.037 at 24 deg C (0.26 at 75 deg F) mean temperature.

2. Outer Shell: Base outer-shell metal thickness on actual outer-shell dimensions. Fabricate outer-
shell lengths 50 mm longer than inner shell and insulation. Use the same metal thicknesses for
outer duct as for uninsulated fittings.
3. Insulation: 25-mm thick fibrous-glass insulation, unless otherwise indicated. Terminate
insulation where internally insulated duct connects to single-wall duct or uninsulated components.
Terminate insulation and reduce outer duct diameter to nominal single-wall size.
4. Solid Inner Liner: Fabricate round and flat-oval inner liners with solid sheet metal of thickness
listed below:
5. Perforated Inner Liner: Fabricate round and flat-oval inner liners with sheet metal having 2.4-mm
diameter perforations, with an overall open area of 23 percent. Use the following sheet metal
thicknesses:

a. Ducts 75 to 865 mm in Diameter: 0.7 mm.

b. Ducts 890 to 1475 mm in Diameter: 0.85 mm.
c. Ducts 1525 to 2235 mm in Diameter: 1.0 mm.

6. Maintain concentricity of liner to outer shell by mechanical means. Retain insulation from
dislocation by mechanical means.

E. PVC-Coated Elbows and Fittings: Fabricate elbows and fittings as follows:

1. Round Elbows 100 to 200 mm in Diameter: Two piece, die stamped, with longitudinal seams spot
welded, bonded, and painted with a PVC aerosol spray.
2. Round Elbows 230 to 660 mm in Diameter: Standing seam construction.
3. Round Elbows 710 to 1525 mm in Diameter: Standard gore construction, riveted and bonded.
4. Other Fittings: Riveted and bonded joints.
5. Couplings: Slip-joint construction with a minimum 50-mm insertion length.

2.9 FIRE STOPPING

A. Fire Resistant Sealant: Provide one part elastomeric sealant formulated for use in a through penetration
fire stop system for filling openings around duct penetrations through walls and floors, having fire
resistance ratings.

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PART 3 - EXECUTION

3.1 DUCT INSTALLATION, GENERAL

A. Duct installation requirements are specified in other Division 15 Sections. Drawings indicate general
arrangement of ducts, fittings, and accessories.

B. Construct and install each duct system for the specific duct pressure classification indicated.

C. Install round and flat-oval ducts in lengths not less than 3.7 m, unless interrupted by fittings.

D. Install ducts with fewest possible joints.

E. Install fabricated fittings for changes in directions, changes in size and shape, and connections.

F. Install couplings tight to duct wall surface with a minimum of projections into duct.

G. Install ducts, unless otherwise indicated, vertically and horizontally, parallel and perpendicular to
building lines; avoid diagonal runs.

H. Install ducts close to walls, overhead construction, columns, and other structural and permanent enclosure
elements of building.

I. Install ducts with a clearance of 25 mm, plus allowance for insulation thickness.

J. Conceal ducts from view in finished spaces. Do not encase horizontal runs in solid partitions, unless
specifically indicated.

K. Coordinate layout with suspended ceiling, fire- and smoke-control dampers, lighting layouts, and similar
finished work.

L. Electrical Equipment Spaces: Route ductwork to avoid passing through transformer vaults and electrical
equipment spaces and enclosures.

M. Where ducts are exposed to view in machine rooms and in spaces without suspended ceiling, cover with
aluminum jacketing to protect against accidental damage.

N. Non-Fire-Rated Partition Penetrations: Where ducts pass through interior partitions and exterior walls,
and are exposed to view, conceal space between construction opening and duct or duct insulation with
sheet metal flanges of same metal thickness as duct. Overlap opening on four sides by at least 38 mm.

O. Fire-Rated Partition Penetrations: Where ducts pass through interior partitions and exterior walls, install
appropriately rated fire damper, sleeve, and firestopping sealant. Fire and smoke dampers are specified in
Division 15 Section "Duct Accessories." Firestopping materials and installation methods are specified in
Division 7 Section "Through-Penetration Firestop Systems."

3.2 PVC-COATED DUCT INSTALLATION

A. Install PVC-coated duct and fittings according to manufacturer's written instructions.

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B. Seal all joints and seams. Apply sealer to male end connectors before insertion, and afterward to cover
entire joint and sheet metal screws.

C. Secure couplings with sheet metal screws. Install screws at an interval of 300 mm, with a minimum of
three screws in each coupling.

D. Repair damage to PVC coating with manufacturer's recommended materials.

3.3 UNDERSLAB DUCT INSTALLATIONS

A. Verify undamaged conditions of duct before enclosure with fill or encasement.

B. Install underslab ducts according to SMACNA's "HVAC Duct Construction Standards--Metal and
Flexible" and as indicated.

C. Protect ducts from damage by equipment used in placing concrete on or around ducts.

D. Protect duct openings.

3.4 SEAM AND JOINT SEALING

A. General: Seal duct seams and joints according to the duct pressure class indicated and as described in
SMACNA's "HVAC Duct Construction Standards--Metal and Flexible."

B. Pressure Classification Less Than 500 Pa (2-Inch wg): Transverse joints.

C. Seal externally insulated ducts before insulation installation.

3.5 HANGING AND SUPPORTING

A. Install rigid round, rectangular, and flat-oval metal duct with support systems indicated in SMACNA's
"HVAC Duct Construction Standards--Metal and Flexible."

B. Support horizontal ducts within 600 mm of each elbow and within 1200 mm of each branch intersection.

C. Support vertical ducts at a maximum interval of 5 m and at each floor.

D. Install upper attachments to structures with an allowable load not exceeding one-fourth of failure (proof-
test) load.

E. Install concrete inserts before placing concrete.

F. Install powder-actuated concrete fasteners after concrete is placed and completely cured. Do not use
powder-actuated concrete fasteners for lightweight-aggregate concretes or for slabs less than 100 mm
thick.

3.6 CONNECTIONS

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A. Connect equipment with flexible connectors according to Division 15 Section "Duct Accessories."

B. For branch, outlet and inlet, and terminal unit connections, comply with SMACNA's "HVAC Duct
Construction Standards--Metal and Flexible."

3.7 FIELD QUALITY CONTROL

A. Disassemble, reassemble, and seal segments of systems as required to accommodate leakage testing and
as required for compliance with test requirements.

B. Conduct tests, in presence of Engineer, at static pressures equal to maximum design pressure of system or
section being tested. If pressure classifications are not indicated, test entire system at maximum system
design pressure. Do not pressurize systems above maximum design operating pressure. Give seven days'
advance notice for testing.

C. Determine leakage from entire system or section of system by relating leakage to surface area of test
section.

D. Maximum Allowable Leakage: Comply with requirements for Leakage Classification 3 for round and
flat-oval ducts, and Leakage Classification 6 for pressure classifications from 500 to 2490 Pa (2- to 10-
inch wg).

E. Remake leaking joints and retest until leakage is less than maximum allowable.

F. Leakage Test: Perform tests according to SMACNA's "HVAC Air Duct Leakage Test Manual."

G. Perform leakage test on supply ducts constructed to pressure higher than 500 Pa (2-inch wg).

3.8 ADJUSTING

A. Adjust volume-control dampers in ducts, outlets, and inlets to achieve design airflow.

B. Refer to Division 15 Section "Testing, Adjusting, and Balancing" for detailed procedures.

3.9 CLEANING

A. After completing system installation, including outlet fittings and devices, inspect the system. Vacuum
ducts before final acceptance to remove dust and debris.

END OF SECTION 15815

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SECTION 15820 - DUCT ACCESSORIES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Backdraft dampers.
2. Manual-volume dampers.
3. Motorized dampers.
4. Fire and smoke dampers.
5. Duct silencers.
6. Turning vanes.
7. Duct-mounted access doors and panels.
8. Flexible ducts.
9. Flexible connectors.
10. Duct accessory hardware.

1.3 SUBMITTALS

A. Product Data: For the following:

1. Backdraft dampers.
2. Manual-volume dampers.
3. Motorized dampers.
4. Fire and smoke dampers.
5. Duct silencers.
6. Duct-mounted access doors and panels.
7. Flexible ducts.

B. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loadings, required
clearances, method of field assembly, components, location, and size of each field connection. Detail the
following:

1. Special fittings and manual- and automatic-volume-damper installations.

2. Fire- and smoke-damper installations, including sleeves and duct-mounted access doors and
panels.

C. Product Certificates: Submit certified test data on dynamic insertion loss; self-noise power levels; and
airflow performance data, static-pressure loss, dimensions, and weights.

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1.4 QUALITY ASSURANCE

A. NFPA Compliance: Comply with the following NFPA standards:

1. NFPA 90A, "Installation of Air Conditioning and Ventilating Systems."

2. NFPA 90B, "Installation of Warm Air Heating and Air Conditioning Systems."

1.5 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed, are packaged with protective
covering for storage, and are identified with labels describing contents.

1. Fusible Links: Furnish quantity equal to 10 percent of amount installed.

PART 2 - PRODUCTS

2.1 SHEET METAL MATERIALS

A. Galvanized, Sheet Steel: Lock-forming quality; ASTM A 653/A 653M, Z275 (G90) coating designation;
mill-phosphatized finish for surfaces of ducts exposed to view.

B. Carbon-Steel Sheets: ASTM A 366/A 366M, cold-rolled sheets, commercial quality, with oiled, exposed
matte finish.

C. Aluminum Sheets: ASTM B 209M (ASTM B 209), Alloy 3003, Temper H14, sheet form; with standard,
one-side bright finish for ducts exposed to view and mill finish for concealed ducts.

D. Extruded Aluminum: ASTM B 221M (ASTM B 221), Alloy 6063, Temper T6.

E. Reinforcement Shapes and Plates: Galvanized steel reinforcement where installed on galvanized, sheet
metal ducts; compatible materials for aluminum and stainless-steel ducts.

F. Tie Rods: Galvanized steel, 6-mm minimum diameter for 900-mm length or less; 10-mm minimum
diameter for lengths longer than 900 mm.

2.2 BACKDRAFT DAMPERS

A. Description: Suitable for horizontal or vertical installations. Dampers shall not produce noise while in
operation.

B. Frame: 1.6-mm thick extruded aluminum, with mounting flange.

C. Blades: 1.2-mm thick aluminum sheet.

D. Blade Seals: Neoprene.

E. Blade Axles: Galvanized steel.

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F. Tie Bars and Brackets: Aluminum.

G. Tie Bars and Brackets: Galvanized steel.

H. Return Spring: Adjustable tension.

2.3 MANUAL-VOLUME DAMPERS

A. General: Factory fabricated with required hardware and accessories. Stiffen damper blades for stability.
Include locking device to hold single-blade dampers in a fixed position without vibration. Close duct
penetrations for damper components to seal duct consistent with pressure class.

1. Pressure Classifications of 500 Pa (2-Inch wg) or Higher: End bearings or other seals for ducts
with axles full length of damper blades and bearings at both ends of operating shaft.

B. Low-Leakage Volume Dampers: Multiple- or single-blade, parallel- or opposed-blade design as

indicated, low-leakage rating, with linkage outside airstream, and suitable for horizontal or vertical
applications.

1. Steel Frames: Hat-shaped, galvanized, sheet steel channels, minimum of 1.6 mm thick, with
mitered and welded corners; frames with flanges where indicated for attaching to walls; and
flangeless frames where indicated for installing in ducts.
2. Aluminum Frames: Hat-shaped, 1.6-mm thick, extruded-aluminum channels; frames with flanges
where indicated for attaching to walls; and flangeless frames where indicated for installing in
ducts.
3. Roll-Formed Steel Blades: 1.6-mm thick, galvanized, sheet steel.
4. Blade Axles: Nonferrous.
5. Tie Bars and Brackets: Aluminum.

C. Jackshaft: 25-mm diameter, galvanized steel pipe rotating within a pipe-bearing assembly mounted on
supports at each mullion and at each end of multiple-damper assemblies.

1. Length and Number of Mountings: Appropriate to connect linkage of each damper of a multiple-
damper assembly.

D. Damper Hardware: Zinc-plated, die-cast core with dial and handle made of 2.4-mm thick zinc-plated
steel, and a 19-mm hexagon locking nut. Include center hole to suit damper operating-rod size. Include
elevated platform for insulated duct mounting.

2.4 MOTORIZED VOLUME DAMPERS

A. Dampers: UL555 labeled, AMCA-rated, [opposed]-blade design; 2.8 -mm minimum, galvanized-steel
frames with holes for duct mounting; damper blades shall not be less than 1.6 -mm galvanized steel with
maximum blade width of 200 mm, and with edge seals.

1. Dampers to be dynamic type pstrema of VAV boxes and medium pressure ductworks, and static
type downstream of VAV boxes and low pressure ductwork.

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2. Blades shall be secured to 13 -mm diameter, zinc-plated axles using zinc-plated hardware, with
nylon blade bearings, blade-linkage hardware of zinc-plated steel and brass, ends sealed against
spring-stainless-steel blade bearings, and thrust bearings at each end of every blade.
3. Operating Temperature Range: From minus 40 to plus 93 deg. C(minus 40 to plus 200 deg F).
4. For standard applications, include optional closed-cell neoprene edging.
5. For low-leakage applications, use parallel- or opposed-blade design with inflatable seal blade
edging, or replaceable rubber seals, rated for leakage at less than 51 L/s per sq. m (10 cfm per sq.
ft.) of damper area, at differential pressure of 995 Pa (4 inches wg) when damper is being held by
torque of 5.6 N x m; when tested according to AMCA 500D
6. Frame: Curtain type with blades in air stream only for non-ducted fire dampers.
7. Frame: Curtain type with blades outside air stream for all ducted fire dampers.
8. Mounting Sleeves: Factory installed sleeves shall only be allowed. Field installed sleeves shall not
be permitted.

2.5 MOTORIZED SMOKE DAMPERS

A. General: Labeled to UL 555S. Combination fire and smoke dampers shall be labeled for one-and-one-
half-hour rating to UL 555.

B. Fusible Link: Replaceable, 74 or 100 deg C (165 or 212 deg F) rated.

C. Frame and Blades: 1.6-mm thick, galvanized, sheet steel.

D. Mounting Sleeve: Factory-installed, 1.3-mm thick, galvanized, sheet steel; length to suit wall or floor
application.

E. Damper Motors: Provide for modulating or two-position action.

1. Permanent-Split-Capacitor or Shaded-Pole Motors: With oil-immersed and sealed gear trains.

2. Spring-Return Motors: Equip with an integral spiral-spring mechanism where indicated. Enclose
entire spring mechanism in a removable housing designed for service or adjustments. Size for
running torque rating of 17 N x m and breakaway torque rating of 17 N x m.
3. Outdoor Motors and Motors in Outside-Air Intakes: Equip with O-ring gaskets designed to make
motors weatherproof. Equip motors with internal heaters to permit normal operation at minus 40
deg C (minus 40 deg F).
4. Nonspring-Return Motors: For dampers larger than 2.3 sq. m, size motor for running torque rating
of 17 N x m and breakaway torque rating of 34 N x m.
5. Modulating, Spring-Return Motor: 230 V, 3 phase, 50 Hz.

2.6 DUCT SILENCERS

A. General: Factory-fabricated and -tested, round or rectangular silencer with performance characteristics
and physical requirements as indicated.

B. Fire Performance: Adhesives, sealers, packing materials, and accessory materials shall have fire ratings
not exceeding 25 for flame spread and 50 for smoke developed when tested according to ASTM E 84.

C. Rectangular Units: Fabricate casings with a minimum of 0.85-mm thick, solid sheet metal for outer
casing and 0.55-mm thick, perforated sheet metal for inner casing.

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D. Round Units: Casings with sheet metal thicknesses for diameters listed below:

1. Up to 600 mm: 0.85 mm.

2. 650 through 1000 mm: 1.0 mm.
3. 1050 through 1300 mm: 1.3 mm.
4. 1350 through 1500 mm: 1.6 mm.
5. Casings fabricated of spiral lock-seam duct may be one size thinner than that indicated.
6. Interior Partitions and Baffles: At least 0.85 mm and designed for minimum aerodynamic losses.

E. Sheet Metal Perforations: 3-mm diameter for inner casing and baffle sheet metal.

F. Fibrous Acoustic-Fill Material: Inert and vermin-proof fibrous material, packed under not less than 5
percent compression.

G. Fabricate silencers to form rigid units that will not pulsate, vibrate, rattle, or otherwise react to system
pressure variations.

1. Do not use nuts, bolts, and sheet metal screws for unit assemblies.
2. Lock form and seal or continuously weld joints.
3. Suspended Units: Factory-installed suspension hooks or lugs attached to frame in quantities and
spaced to prevent deflection or distortion.
4. Reinforcement: Cross or trapeze angles for rigid suspension.

H. Source Quality Control: Perform the following factory tests:

1. Acoustic Performance: Test according to ASTM E 477, with airflow in both directions through
silencer.
2. Record acoustic ratings, including dynamic insertion loss and self-noise power levels, for both
forward flow (air and noise in same direction) and reverse flow (air and noise in opposite
directions) with an airflow of at least 10-m/s (2000-fpm) face velocity.
3. Leak Test: Test units for airtightness at 200 percent of associated fan static pressure or 1500-Pa
(6-inch wg) static pressure, whichever is greater.

2.7 TURNING VANES

A. Fabricate to comply with SMACNA's "HVAC Duct Construction Standards--Metal and Flexible."

B. Manufactured Turning Vanes: Fabricate of 38-mm wide, curved blades set 19 mm o.c.; support with bars
perpendicular to blades set 50 mm o.c.; and set into side strips suitable for mounting in ducts.

C. Acoustic Turning Vanes: Fabricate of airfoil-shaped aluminum extrusions with perforated faces and
fibrous-glass fill.

2.8 DUCT-MOUNTED ACCESS DOORS AND PANELS

A. Door shall be rigid and airtight with neoprene gaskets and two or more chrome-plated enamel painted
steel hinges and quick fastening locking devices. Provide doors as large as practical. Include vision
panel where indicated. Include 25-by-25 mm butt or piano hinge and cam latches. Access doors up to
300 X 300 mm shall have two cam locks, larger sizes shall have four cam locks.

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B. Mount doors, if possible, so that air pressure holds them closed. As an alternative, removable access
doors may be used.

C. Access doors shall be constructed from stamped sheet metal and consist of an inner and outer door panel.
Where insulated doors are needed, the inner door shall consist of two panels spot-welded together which
totally encapsulate insulation identical to corresponded ductwork insulation. The inner and outer doors
shall be joined by bolts and threaded handles in such a configuration that the panels can be drawn
together to secure the door to the duct in a sandwich fashion.

D. The handles shall be high impact plastic with threaded metal inserts. Conical springs shall be used
between the door panels to facilitate installation and removal of the door. Fireproof neoprene gasket shall
be used around the outside edge of the inner or outer panel, but not both, to seal the door.

E. This type of door is approved for use on rectangular, round and flat-oval ductwork.

F. Insulation: 25-mm thick, fibrous-glass or polystyrene-foam board.

2.9 FLEXIBLE CONNECTORS

A. General: Flame-retarded or noncombustible fabrics, coatings, and adhesives complying with UL 181,
Class 1.

B. Standard Metal-Edged Connectors: Factory fabricated with a strip of fabric 89 mm wide attached to two
strips of 70-mm wide, 0.7-mm thick, galvanized, sheet steel or 0.8-mm aluminum sheets. Select metal
compatible with connected ducts.

C. Extra-Wide Metal-Edged Connectors: Factory fabricated with a strip of fabric 146 mm wide attached to
two strips of 70-mm wide, 0.7-mm thick, galvanized, sheet steel or 0.8-mm aluminum sheets. Select
metal compatible with connected ducts.

D. Transverse Metal-Edged Connectors: Factory fabricated with a strip of fabric 89 mm wide attached to
two strips of 111-mm wide, 0.7-mm thick, galvanized, sheet steel or 0.8-mm aluminum sheets. Select
metal compatible with connected ducts.

E. Conventional, Indoor System Flexible Connector Fabric: Glass fabric double coated with
polychloroprene.

1. Minimum Weight: 880 g/sq. m.

2. Tensile Strength: 84 N/mm in the warp, and 63 N/mm in the filling.

F. Conventional, Outdoor System Flexible Connector Fabric: Glass fabric double coated with a synthetic-
rubber, weatherproof coating resistant to the sun's ultraviolet rays and ozone environment.

1. Minimum Weight: 880 g/sq. m.

2. Tensile Strength: 93 N/mm in the warp, and 77 N/mm in the filling.

G. High-Temperature System Flexible Connectors: Glass fabric coated with silicone rubber and having a
minimum weight of 542 g/sq. m and tensile strength of 50 N/mm in the warp, and 32 N/mm in the filling.

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H. High-Corrosive-Environment System Flexible Connectors: Glass fabric coated with a chemical-resistant

coating.

1. Minimum Weight: 474 g/sq. m.

2. Tensile Strength: 79 N/mm in the warp, and 60 N/mm in the filling.

2.10 FLEXIBLE DUCTS

A. General: Comply with UL 181, Class 1.

B. Flexible Ducts, Uninsulated: Spiral-wound steel spring with flameproof vinyl sheathing.

C. Flexible Ducts, Uninsulated: Corrugated aluminum.

D. Flexible Ducts, Insulated: Factory-fabricated, insulated, round duct, with an outer jacket enclosing 38-
mm thick, glass-fiber insulation around a continuous inner liner.

1. Reinforcement: Steel-wire helix encapsulated in inner liner.

2. Outer Jacket: Glass-reinforced, silver Mylar with a continuous hanging tab, integral fibrous-glass
tape, and nylon hanging cord.
3. Inner Liner: Polyethylene film.

E. Pressure Rating: 1500 Pa (6-inch wg) positive, 125 Pa (1/2-inch wg) negative.

2.11 ACCESSORY HARDWARE

A. Instrument Test Holes: Cast iron or cast aluminum to suit duct material, including screw cap and gasket.
Size to allow insertion of pitot tube and other testing instruments, and length to suit duct insulation
thickness.

B. Splitter Damper Accessories: Zinc-plated damper blade bracket; 6-mm, zinc-plated operating rod; and a
duct-mounted, ball-joint bracket with flat rubber gasket and square-head set screw.

C. Flexible Duct Clamps: Stainless-steel band with cadmium-plated hex screw to tighten band with a worm-
gear action, in sizes 75 to 450 mm to suit duct size.

D. Adhesives: High strength, quick setting, neoprene based, waterproof, and resistant to gasoline and
grease.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install duct accessories according to applicable details shown in SMACNA's "HVAC Duct Construction
Standards--Metal and Flexible" for metal ducts and NAIMA's "Fibrous Glass Duct Construction
Standards" for fibrous-glass ducts.

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B. Install backdraft dampers on exhaust fans or exhaust ducts nearest to outside and where indicated.

C. Install volume dampers in lined duct; avoid damage to and erosion of duct liner.

D. Provide test holes at fan inlet and outlet and elsewhere as indicated.

E. Install fire and smoke dampers according to manufacturer's UL-approved written instructions.

1. Install fusible links in fire dampers.

F. Install duct silencers independent of ducts with flexible duct connectors, lagged with loaded vinyl sheet
on inlets and outlets.

G. Install duct access panels for access to both sides of duct coils. Install duct access panels downstream
from volume dampers, fire dampers, turning vanes, and equipment.

1. Install duct access panels to allow access to interior of ducts for cleaning, inspecting, adjusting,
and maintaining accessories and terminal units.
2. Install access panels on side of duct where adequate clearance is available.

H. Connect diffusers or light troffer boots to low pressure ducts[ directly or] with maximum 1500-mm (60-
inch) lengths of flexible duct clamped or strapped in place.

I. Connect flexible ducts to metal ducts with liquid adhesive plus tape.

J. Label access doors according to Section "Mechanical Identification." Section.

3.2 ADJUSTING

A. Adjust duct accessories for proper settings.

B. Adjust fire and smoke dampers for proper action.

C. Final positioning of manual-volume dampers is specified in Division 15 Section "Testing, Adjusting, and
Balancing."

END OF SECTION 15820

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SECTION 15836 - AXIAL FANS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Propeller fans.

1.3 PERFORMANCE REQUIREMENTS

A. Project Altitude: Base air ratings on actual site elevations.

B. Operating Limits: Classify according to AMCA 99.

C. Fan Unit Schedule: Performance requirements and data are described in equipment schedule(s) on the
Drawings.

1.4 SUBMITTALS

A. Product Data including rated capacities of each unit, weights (shipping, installed, and operating),
furnished specialties, accessories, and the following:

1. Certified fan performance curves with system operating conditions indicated.

2. Certified fan sound power ratings.
3. Motor ratings and electrical characteristics plus motor and electrical accessories.
4. Material gages and finishes, including color charts.
5. Dampers, including housings, linkages, and operators.

B. Shop Drawings from manufacturer detailing equipment assemblies and indicating dimensions, weights,
loadings, required clearances, method of field assembly, components, and location and size of each field
connection.

C. Coordination Drawings, including floor plans and sections drawn accurately to scale. Submit with Shop
Drawings. Show fan room layout and relationships between components and adjacent structural and
mechanical elements. Show support locations, type of support, and weight on each support. Indicate and
certify field measurements.

D. Wiring diagrams detailing wiring for power and control systems and differentiating clearly between
manufacturer-installed and field-installed wiring.

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E. Field Test and Commissioning Reports: As specified in "Field Quality Control" and "Commissioning"
Articles in Part 3 of this Section. Indicate and interpret test results for compliance with performance
requirements.

F. Maintenance data for fan units to include in the operation and maintenance manual specified in
Division 1.

1. Include: Lists of parts and troubleshooting maintenance data.

1.5 QUALITY ASSURANCE

A. Electrical Component Standard: Provide components that comply with NFPA 70 and that are listed and
labeled by UL where available.

B. Listing and Labeling: Provide electrically operated fixtures specified in this Section that are listed and
labeled.

1. The Terms "Listed" and "Labeled": As defined in NFPA 70, Article 100.

C. AMCA Compliance: Provide products that meet performance requirements and are licensed to use the
AMCA Seal.

D. NEMA Compliance: Motors and electrical accessories shall comply with NEMA standards.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver fans as factory-assembled units, to the extent allowable by shipping limitations, with protective
crating and covering.

B. Lift and support units with the manufacturer's designated lifting or supporting points.

1.7 PROJECT CONDITIONS

A. Field Measurements: Verify dimensions by field measurements. Verify clearances.

B. Do not operate fans until ductwork is clean, filters are in place, bearings are lubricated, and fans have
been commissioned.

1.8 COORDINATION AND SCHEDULING

A. Coordinate the size and location of concrete housekeeping pads. Cast anchor-bolt inserts into pad.
Concrete reinforcement and formwork requirements are specified in Division 3 Section "Cast-in-Place
Concrete."

B. Coordinate the installation of roof curbs, equipment supports, and roof penetrations. Roof specialties are
specified in Division 7 Sections.

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1.9 EXTRA MATERIALS

A. Furnish one set of belts for each belt-driven fan that match products installed, are packaged with
protective covering for storage, and are identified with labels clearly describing contents.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that
may be incorporated in the Work include, but are not limited to, the following:

1. Acme Engineering & Mfg. Corp.

2. Aerovent, Inc.
3. Carnes Co.
4. Cook (Loren) Co.
5. Greenheck Fan Corp.
6. ILG Industries, Inc.
7. Joy Technologies Inc.
8. NuTone Inc.
9. Penn Ventilator Co., Inc.
10. Snyder General Commercial Products.
11. Trane Co. (The).

2.2 PROPELLER FANS

A. Description: Belt-driven or direct-drive propeller fans, as indicated, consisting of fan blades, hub,
housing, orifice ring, motor, drive, and accessories.

B. Housings: Galvanized steel sheet with flanged edges and integral orifice ring with baked-enamel finish
coat after assembly.

C. Steel Fan Wheels: Formed-steel blades riveted to heavy-gage steel spider bolted to cast-iron hub.

D. Cast-Aluminum Fan Wheels: Replaceable, cast-aluminum blades fastened to cast-aluminum hub. Factory
set pitch angle of blades.

E. Extruded-Aluminum Fan Wheels: Replaceable, extruded-aluminum, airfoil blades fastened to cast-

aluminum hub. Factory set pitch angle of blades.

F. Belt-Driven Drive Assembly: Resiliently mounted to the housing, statically and dynamically balanced
and selected for continuous operation at the maximum rated fan speed and motor horsepower (HP), with
final alignment and belt adjustment made after installation.

1. Service Factor Based on Fan Motor: 1.5.

2. Fan Shaft: Turned, ground, and polished steel keyed to wheel hub.
3. Shaft Bearings: Permanently lubricated, permanently sealed, self-aligning ball bearings.

a. Ball-Bearing Rated Life: AFBMA 9, L-10 of 100,000 hours.

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4. Pulleys: Cast iron with split, tapered bushing, dynamically balanced at factory.
5. Motor Pulleys: Adjustable pitch. Select pulley so pitch adjustment is at the middle of the
adjustment range at fan design conditions.
6. Belts: Oil resistant, nonsparking, and nonstatic; matched sets for multiple belt drives.
7. Belt Guards: Fabricate of steel for motors mounted on the outside of the fan cabinet.

G. Accessories: The following accessories are required as indicated:

1. Gravity Shutters: Aluminum blades in aluminum frame, interlocked blades with nylon bearings.
2. Motor-Side Back Guard: Galvanized steel, conforming to OSHA specifications, removable for
maintenance.
3. Wall Sleeve: Galvanized steel to match fan and accessory size.
4. Weathershield Hood: Galvanized steel to match fan and accessory size.
5. Weathershield Front Guard: Galvanized steel with expanded metal screen.
6. Variable-Speed Controller: Solid-state control to reduce speed from 100 percent to less than 50
percent.
7. Disconnect Switch: Nonfusible type, with thermal-overload protection mounted inside fan
housing, factory wired through an internal aluminum conduit.

2.3 MOTORS

A. Refer to Division 15 Section "Motors" for general requirements for factory-installed motors.

B. Motor Construction: NEMA MG 1, general purpose, continuous duty, Design B.

C. Enclosure Type: The following features are required as indicated:

1. Open dripproof motors where satisfactorily housed or remotely located during operation.
2. Guarded dripproof motors where exposed to contact by employees or building occupants.

2.4 FACTORY FINISHES

A. Sheet Metal Parts: Prime coat before final assembly.

B. Exterior Surfaces: Baked-enamel finish coat after assembly.

2.5 SOURCE QUALITY CONTROL

A. Testing Requirements: The following factory tests are required as indicated:

1. Sound Power Level Ratings: Comply with AMCA 301, "Methods for Calculating Fan Sound
Ratings from Laboratory Test Data." Test fans according to AMCA 300, "Reverberant Room
Method for Sound Testing of Fans." Label fans with the AMCA Seal.
2. Fan Performance Ratings: Establish flow rate, pressure, power, air density, speed of rotation, and
efficiency by factory tests and ratings according to AMCA 210, "Laboratory Methods of Testing
Fans for Rating."

PART 3 - EXECUTION

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3.1 EXAMINATION

A. Examine areas and conditions for compliance with requirements for installation tolerances and other
conditions affecting performance of the fans. Do not proceed with installation until unsatisfactory
conditions have been corrected.

3.2 INSTALLATION

A. Install fans according to manufacturer's written instructions.

B. Support units using the vibration-control devices indicated. Vibration-control devices are specified in
Division 15 Section "Mechanical Vibration Controls and Seismic Restraints."

C. Suspend units from structure using threaded steel rods, vibration isolation springs and seismic restraints.
Vibration-control devices are specified in Division 15 Section " Mechanical Vibration Controls and
Seismic Restraints."

D. Install units with clearances for service and maintenance.

E. Label fans according to requirements specified in Division 15 Section "Mechanical Identification."

3.3 CONNECTIONS

A. Duct installation and connection requirements are specified in other Division 15 Sections. Drawings
indicate the general arrangement of ducts and duct accessories. Make final duct connections with flexible
connector.

B. Electrical: Conform to applicable requirements in Division 16 Sections.

C. Grounding: Ground equipment. Tighten electrical connectors and terminals, including grounding
connections, according to manufacturer's published torque-tightening values. Where manufacturer's
torque values are not indicated, use those specified in UL 486A and UL 486B.

3.4 FIELD QUALITY CONTROL

A. Manufacturer's Field Service: Engage a factory-authorized service representative to supervise the field
assembly of components and installation of fans, including duct and electrical connections, and to report
results in writing.

3.5 ADJUSTING

A. Adjust damper linkages for proper damper operation.

B. Adjust belt tension.

C. Lubricate bearings.

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3.6 CLEANING

A. After completing installation, inspect exposed finish. Remove burrs, dirt, and construction debris, and
repair damaged finishes including chips, scratches, and abrasions.

B. Clean fan interiors to remove foreign material and construction debris. Vacuum clean fan wheel and
cabinet.

3.7 COMMISSIONING

A. Final Checks before Startup: Perform the following operations and checks before startup, and report
results in writing:

1. Verify that shipping, blocking, and bracing are removed.

2. Verify that unit is secure on mountings and supporting devices and that connections for piping,
ducts, and electrical components are complete. Verify that proper thermal-overload protection is
installed in motors, starters, and disconnects.
3. Perform cleaning and adjusting specified in this Section.
4. Disconnect fan drive from motor, verify proper motor rotation direction, and verify fan wheel free
rotation and smooth bearings operation. Reconnect fan drive system, align and adjust belts, and
install belt guards.
5. Verify lubrication for bearings and other moving parts.
6. Verify that manual and automatic volume control and fire and smoke dampers in connected
ductwork systems are in the fully open position.

B. Starting procedures for fans are as follows:

1. Energize motor; verify proper operation of motor, drive system, and fan wheel. Adjust fan to
indicated RPM.
2. Measure and record motor voltage and amperage.

C. Refer to Division 15 Section "Testing, Adjusting, and Balancing" for procedures for air-handling-system
testing, adjusting, and balancing.

D. Replace or adjust fan and motor pulleys as required to achieve design conditions. Fix in final position
after balancing is achieved.

3.8 DEMONSTRATION

A. Train Employer's maintenance personnel to adjust, operate, and maintain axial fan units. Refer to
Division 1.

END OF SECTION 15836

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SECTION 15837 - CENTRIFUGAL FANS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes centrifugal fans for indoor installations.

1.3 PERFORMANCE REQUIREMENTS

A. Project Altitude: Base air ratings on actual site elevations.

B. Operating Limits: Classify according to AMCA 99.

C. Performance Criteria:

1. The fan schedule shows liter per second (l/s) or cubic feet per minute (CFM) and design static
pressure.
2. Provide fans and motors capable of stable operation at design conditions and at ll0 percent
pressure but not to exceed 185 Pa (3/4-inch) additional pressure.
3. Lower than design pressure drop of approved individual components may allow use of a smaller
fan motor and still provide the safety factor. When submitted as a deviation a smaller motor may
be approved in the interest of energy conservation.
4. Select fan operating point as follows:

a. Forward curved and axial fans: Right hand side of peak pressure point.
b. Airfoil, backward inclined or tubular: Near the peak of static efficiency.

D. Safety Criteria: Provide manufacturer's standard screen on fan inlet and discharge exposed to operating
and maintenance personnel.

E. Noise level shall not exceed level allowed for place of installation. Noise level for all ceiling mounted
equipment shall not exceed NC35.

F. Overall efficiency shall be minimum 60 percent.

1.4 SUBMITTALS

A. Product Data including rated capacities of each unit, weights (shipping, installed, and operating),
furnished specialties, accessories, and the following:

1. Certified fan performance curves with system operating conditions indicated.

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2. Certified fan sound power ratings.

3. Motor ratings and electrical characteristics plus motor and electrical accessories.
4. Material gages and finishes, including color charts.
5. Dampers, including housings, linkages, and operators.

B. Shop Drawings from manufacturer detailing equipment assemblies and indicating dimensions, weights,
loadings, required clearances, method of field assembly, components, and location and size of each field
connection.

C. Coordination Drawings, including floor plans and sections drawn accurately to scale. Submit with Shop
Drawings. Show fan room layout and relationships between components and adjacent structural and
mechanical elements. Show support locations, type of support, and weight on each support. Indicate and
certify field measurements.

D. Wiring diagrams detailing wiring for power and control systems and differentiating clearly between
manufacturer-installed and field-installed wiring.

E. Field Test and Commissioning Reports: As specified in "Field Quality Control" and "Commissioning"
Articles in Part 3 of this Section. Indicate and interpret test results for compliance with performance
requirements.

F. Maintenance data for fans to include in the operation and maintenance manual specified in Division 1.

1. Include: Lists of parts and troubleshooting maintenance data.

1.5 QUALITY ASSURANCE

A. Electrical Component Standard: Provide components that comply with NFPA 70 and that are listed and
labeled by UL where available.

B. Listing and Labeling: Provide electrically operated fixtures specified in this Section that are listed and
labeled.

1. The Terms "Listed" and "Labeled": As defined in NFPA 70, Article 100.

C. AMCA Compliance: Provide products that meet performance requirements and are licensed to use the
AMCA Seal.

D. NEMA Compliance: Motors and electrical accessories shall comply with NEMA standards.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver fans as factory-assembled units, to the extent allowable by shipping limitations, with protective
crating and covering.

B. Disassemble and reassemble units as required for movement to the final location following
manufacturer's written instructions.

C. Lift and support units with the manufacturer's designated lifting or supporting points.

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1.7 PROJECT CONDITIONS

A. Field Measurements: Verify dimensions by field measurements. Verify clearances.

B. Do not operate fans until ductwork is clean, filters are in place, bearings are lubricated, and fans have
been commissioned.

1.8 COORDINATION AND SCHEDULING

A. Coordinate the size and location of concrete housekeeping pads. Cast anchor-bolt inserts into pad.
Concrete reinforcement and formwork requirements are specified in "Cast-in-Place Concrete" Section.

1.9 EXTRA MATERIALS

A. Furnish one set of belts for each belt-driven fan that match products installed, are packaged with
protective covering for storage, and are identified with labels clearly describing contents.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 GENERAL FAN REQUIREMENTS

A. General

1. Performance data for all fans and spare parts shall be determined in accordance with the
provisions of ASHRAE 51.
2. Sound pressure level ratings of ducted fans shall comply with AMCA 301 and shall be the result
of tests made in accordance with AMCA 300.
3. Sound pressure level ratings of non-ducted fans shall comply with AMCA 301 and shall be the
result of tests made in accordance with AMCA 300. Application of sound pressure level ratings
shall conform to AMCA 302. Unit construction shall conform to applicable standards contained
in AMCA 99 and to requirements specified.
4. Safety provisions for power transmission equipment and non-ducted inlets and outlets shall
include guards and screens, unless other provisions are required, and shall be constructed in
accordance with applicable provisions of ASME B15.1. Installation shall be such that fan
vibration-isolation provisions are not negated.
5. Fan wheels shall be statically and dynamically balanced at the factory.

B. Corrosion Protection: All steel shall be mill-galvanized, or phosphatized and coated with minimum two
coats, corrosion resistant enamel paint. Manufacturers paint and paint system shall meet the minimum
specifications of: ASTM D 1735 water fog; ASTM B 117 salt spray; ASTM D 3359 adhesion; and
ASTM G 23 weathermeter.

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C. Air-Handling System Balancing Provisions: All necessary facilities shall be provided for the adjustment
of fan speed for each air-handling system during air-quantity balancing operations. Facilities provided
shall be one of the following:

1. A variable-pitch drive with variable range to produce the fan speed necessary for proper air
balance.
2. A continuously variable drive or power unit to produce the fan speed necessary for proper air
balance.
3. A series of fixed-pitch pulleys that can be interchanged until the proper fan speed has been
determined.

2.3 FAN UNITS

A. Factory fabricated and assembled, factory tested, and factory finished, with indicated capacities and
characteristics.

B. Description: Belt-driven centrifugal fans consisting of housing, wheel, fan shaft, bearings, motor and
disconnect switch, drive assembly, and support structure.

2.4 HOUSINGS

A. Materials and Fabrication: Formed- and reinforced-steel panels to make curved scroll housings with
shaped cutoff, spun-metal inlet bell, and doors or panels to allow access to internal parts and components.
Use galvanized steel to fabricate fans downstream from humidifiers.

1. Panel Bracing: Steel angle- or channel-iron member supports for mounting and supporting fan
scroll, wheel, motor, and accessories.
2. Fabrication Class: AMCA 99 Class I, Class II, or Class III.
3. Horizontal Flanged Split Housing: Bolted construction.
4. Plug Fans: Fabricate without fan scroll and volute housing, with steel cabinet.
5. Tubular Centrifugal Fans: Fabricate tubular housing from formed- and reinforced-steel panels
with welded seams and the following:

a. Outlet guide vanes.

b. Motor disconnect switch.
c. Spun inlet cone with flange.
d. Outlet flange.
e. Brackets suitable for horizontal or vertical mounting.

2.5 WHEELS

A. Backward Inclined: Steel or aluminum construction with curved inlet flange, back plate, backwardly
inclined blades welded or riveted to flange and back plate; cast-iron or cast-steel hub riveted to back plate
and fastened to shaft with set screws.

B. Forward Curved: Black-enameled or galvanized steel construction with inlet flange, back plate, shallow
blades with inlet and tip curved forward in direction of airflow, mechanically secured to flange and back
plate; cast-steel hub swaged to back plate and fastened to shaft with set screws.

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C. Airfoil Wheel: Steel construction with smooth curved inlet flange; heavy back plate; hollow die-formed
airfoil-shaped blades continuously welded at tip flange and back plate; cast-iron or cast-steel hub riveted
to back plate and fastened to shaft with set screws.

2.6 SHAFTS

A. Statically and dynamically balanced and selected for continuous operation at the maximum rated fan
speed and motor horsepower (HP), with final alignment and belt adjustment made after installation.

B. Turned, ground, and polished hot-rolled steel with keyway. Ship with a protective coating of lubricating
oil.

C. Designed to operate at no more than 70 percent of the first critical speed at the top of the fan's speed
range.

2.7 BEARINGS

A. Prelubricated and Sealed Shaft Bearings: Self-aligning, pillow- block-type ball bearings.
1. Ball-Bearing Rated Life: AFBMA 9, L-10 of 120,000 hours.

B. Grease-Lubricated Shaft Bearings: Self-aligning, pillow-block type; tapered roller bearings with double-
locking collars and 2-piece, cast-iron housing.
1. Roller-Bearing Rated Life: AFBMA 11, L-10 of 50,000 hours.

C. Grease-Lubricated Shaft Bearings: Self-aligning, pillow-block type; ball or roller bearings with adapter
mount and 2-piece, cast-iron housing.
1. Ball-Bearing Rated Life: AFBMA 9, L-10 of 120,000 hours.
2. Roller-Bearing Rated Life: AFBMA 11, L-10 of 120,000 hours.

2.8 BELT DRIVES

A. Description: Factory mounted, with final alignment and belt adjustment made after installation.

1. Service Factor Based on Fan Motor: 1.5.

B. Drives:

1. Fan drives shall be V-belt type.

2. V-belt drive application shall conform to the manufacturer's published recommendations.
3. Horsepower (Wattage) rating of drive shall be based on maximum pitch diameter of sheave.
4. Drives with motors up to and including 10 horsepower (7500 watt) shall be standard belt section,
variable sheave type, with a service factor of not less than 1.5.
5. Drives with motors over 10 horsepower (7500 watt) and up to and including 40 horsepower (30
kilowatt of power) shall be standard section, fixed-sheave or variable-sheave type, with a service
factor of not less than 1.5.
6. Drives with motors over 40 horsepower (30 kilowatt of power) shall be fixed-sheave, high-
capacity, supertype, with a service factor of not less than 1.5.
7. Belt drives shall be located outboard of bearings. Drive and driven shafts shall be aligned by the
four-point method.
8. Belt tension shall be adjusted in accordance with the manufacturer's recommendations.

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9. Alignment and final belt tensioning shall be performed in the presence of the Engineer.

C. Fan Pulleys: Cast iron or cast steel with split, tapered bushing, dynamically balanced at factory.

D. Motor Pulleys: Adjustable pitch. Select pulley so pitch adjustment is at the middle of the adjustment
range at fan design conditions.

E. Belts: Oil resistant, nonsparking, and nonstatic; matched sets for multiple belt drives.

1. Belt Guards: Fabricate to comply with SMACNA requirements; 2.7-mm thick, 20-mm diamond-
mesh wire screen welded to steel angle frame or equivalent, prime coated. Secure to fan or fan
supports without short circuiting vibration isolation. Include provision for adjustment of belt
tension, lubrication, and use of tachometer with guard in place.

F. Motor Mount: Adjustable for belt tensioning.

2.9 ACCESSORIES

A. Scroll Access Doors: Shaped to conform to scroll, with quick-opening latches and gaskets.

B. Companion Flanges: Galvanized steel, for duct connections.

C. Fixed Inlet Vanes: Steel, with fixed cantilevered vanes welded to inlet bell.

D. Variable Inlet Vanes: Steel, with blades supported at both ends with 2 permanently lubricated bearings.
Variable mechanism terminating in single control lever with control shaft for double-width fans.

E. Adjustable Inlet Vanes: Steel, with blades cantilevered with 2 permanently lubricated bearings. Variable
mechanism out of air stream terminating in single control lever with control shaft for double-width fans.

1. Double-Width Fan Inlet Vanes: Connected for single operator.

F. Discharge Dampers: Heavy-duty steel assembly with blades constructed of 2 plates formed around and
welded to shaft, channel frame, sealed ball bearings, with blades linked out of air stream to single control
lever.

1. Configuration: Parallel blade.

2. Configuration: Opposed blade.

G. Inlet Screens: Galvanized steel welded grid screen, mounted inside shaft bearings.

H. Scroll Drain Connection: DN25 (1-inch) steel pipe coupling welded to low point of fan scroll.

I. Shaft Cooler: Metal disk between bearings and fan wheel, designed to dissipate heat from shaft.

J. Spark-Resistant Construction: AMCA 99 construction, as indicated.

K. Shaft Seals: Airtight seals installed around shaft on drive side of single-width fans.

L. Weather Cover: Heavy-gage steel sheet with ventilation slots, bolted to housing.

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2.10 MOTORS

A. Refer to Division 15 Section "Motors" for general requirements for factory-installed motors.

B. Motor Construction: NEMA MG 1, general purpose, continuous duty, Design B.

C. Enclosure Type: The following features are required as indicated:

1. Open dripproof motors where satisfactorily housed or remotely located during operation.
2. Guarded dripproof motors where exposed to contact by employees or building occupants.
3. Totally enclosed fan cooled (TEFC).

D. Motor Bases: Motor shall be provided with adjustable motor bases, except as otherwise specified. Motors
over 7-1/2 horsepower (5600 watt of power) with fixed-sheave standard belt section drives shall be
provided with adjustable, pivoted motor bases wherever equipment configuration permits proper
installation.

2.11 SMOKE EXHAUST FAN

A. General Description: Belt-driven mixed flow, dual speed, fully weatherproofed and constructed of
corrosion resistant materials. Structural steel support components to be zinc plated and suitable for
smoke exhaust. Fans to be UL listed for smoke removal with operation temperature of 260C for a
minimum of four hours continuous operation..

B. Fan Housing: Heavy gauge steel hot dip galvanized after fabrication, designed to provide easy access
from roof level to all moving parts including motor, without dismantling unit.

C. Fan wheels: Heavy gauge steel, multi-blade, mixed flow, non-overloading, non-stall type, fully balanced
at factory.

D. Motor: Explosion proof, type Class H insulation, continuously rated, provided with permanently
lubricated sealed ball bearings not requiring lubrication for 25000 hours of operation and in-built thermal
overload protection.

E. Sound Pressure Level: Select to give sound levels less than 50 db measured on the A-scale of a standard
sound level meter at 3 m from the open fan inlet.

F. Accessories: Fan to be complete with the following: fusible link damper lifter to provide heat and smoke
relief in the event of an electrical power fail are factory wired safety disconnect switch mounted inside
housing, flexible conduit to receive field wiring, all around expanded aluminum bird and protection
screen, neoprene foam sealing strip for air seal between base and curb and fixings to roof curb.

G. Fusible Link Lifter: Fusible link damper lifter automatically opens the butterfly dampers when air
temperature below the damper blades exceeds 74 deg. C to provide smoke and heat relief with no
electrical power required.

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2.12 FACTORY FINISHES

A. Sheet Metal Parts: Enamel or prime coat before assembly. Do not prime coat aluminum parts.

B. Factory Finish for Fans Downstream from Humidifiers: Enamel or prime coat before assembly with 2
coats of paint. Prime coating on aluminum parts is not required.

2.13 SOURCE QUALITY CONTROL

A. Testing Requirements: The following factory tests are required as indicated:

1. Sound Power Level Ratings: Comply with AMCA 301, "Methods for Calculating Fan Sound
Ratings from Laboratory Test Data." Test fans according to AMCA 300, "Reverberant Room
Method for Sound Testing of Fans." Label fans with the AMCA Seal.
2. Fan Performance Ratings: Establish flow rate, pressure, power, air density, speed of rotation, and
efficiency by factory tests and ratings according to AMCA 210, "Laboratory Methods of Testing
Fans for Rating."

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions for compliance with requirements for installation tolerances and other
conditions affecting performance of the fans. Do not proceed with installation until unsatisfactory
conditions have been corrected.

3.2 INSTALLATION

A. Install fans according to manufacturer's written instructions.

B. Support units using the vibration-control devices indicated. Vibration-control devices are specified in
Division 15 Section "Mechanical Vibration Controls and Seismic Restraints."

1. Support floor-mounted units on concrete housekeeping bases using neoprene pads or housed
spring isolators as indicated . Secure units to anchor bolts installed in concrete housekeeping base.

C. Suspend units from structural steel support frame using threaded steel rods, vibration isolation springs
and seismic restraints. Vibration-control devices are specified in Division 15 Section "Mechanical
Vibration Controls and Seismic Restraints."

D. Install units with clearances for service and maintenance.

E. Label fans according to requirements specified in Division 15 Section "Mechanical Identification."

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3.3 HOUSEKEEPING BASES

A. Construct concrete housekeeping pads as follows:

1. Coordinate size of housekeeping bases with actual unit sizes provided. Construct base 100 mm
larger, in both directions, than the overall dimensions of the supported unit.
2. Form concrete pads with steel channels conforming to ASTM A 36M (ASTM A 36), size and
location as indicated. Miter and weld corner and provide cross bracing. Anchor or key to floor
slab.
3. Install reinforcing bars, tied to frame, and place anchor bolts and sleeves to facilitate securing
units.
4. Place concrete and allow to cure before installing units. Use portland cement conforming to
ASTM C 150, 27 MPa compressive strength, and normal-weight aggregate.
5. Clean exposed steel form according to SSPC Surface Preparation Specifications SP 2 or SP 3 and
apply 2 coats of rust-preventive metal primer and paint.

3.4 CONNECTIONS

A. Duct installation and connection requirements are specified in other Division 15 Sections. Drawings
indicate the general arrangement of ducts and duct accessories. Make final duct connections with flexible
connectors.

B. Electrical: Conform to applicable requirements in Division 16 Sections.

C. Grounding: Ground equipment. Tighten electrical connectors and terminals, including grounding
connections, according to manufacturer's published torque-tightening values. Where manufacturer's
torque values are not indicated, use those specified in UL 486A and UL 486B.

3.5 FIELD QUALITY CONTROL

A. Manufacturer's Field Service: Engage a factory-authorized service representative to supervise the field
assembly of components and installation of fans, including duct and electrical connections, alignment of
fan shaft and motor shaft, alignment of pulleys, belt adjustments, and lubrication, and to report results in
writing.

3.6 ADJUSTING

A. Adjust damper linkages for proper damper operation.

B. Adjust belt tension.

C. Lubricate bearings.

3.7 CLEANING

A. After completing installation, inspect exposed finish. Remove burrs, dirt, and construction debris, and
repair damaged finishes including chips, scratches, and abrasions.

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B. Clean fan interiors to remove foreign material and construction debris. Vacuum clean fan wheel and
cabinet.

3.8 COMMISSIONING

A. Final Checks before Startup: Perform the following operations and checks before startup, and report
results in writing:

1. Verify that shipping, blocking, and bracing are removed.

2. Verify that unit is secure on mountings and supporting devices and that connections for piping,
ducts, and electrical components are complete. Verify that proper thermal-overload protection is
installed in motors, starters, and disconnects.
3. Perform cleaning and adjusting specified in this Section.
4. Disconnect fan drive from motor, verify proper motor rotation direction, and verify fan wheel free
rotation and smooth bearings operation. Reconnect fan drive system, align and adjust belts, and
install belt guards.
5. Verify lubrication for bearings and other moving parts.
6. Verify that manual and automatic volume control and fire and smoke dampers in connected
ductwork systems are in the fully open position.

B. Starting procedures for fans are as follows:

1. Energize motor; verify proper operation of motor, drive system, and fan wheel. Adjust fan to
indicated RPM.
2. Measure and record motor voltage and amperage.

C. Refer to "Testing, Adjusting, and Balancing" Section for procedures for air-handling-system testing,
adjusting, and balancing.

D. Replace or adjust fan and motor pulleys as required to achieve design conditions. Fix in final position
after balancing is achieved.

3.9 DEMONSTRATION

A. Train Employer's maintenance personnel to adjust, operate, and maintain centrifugal fan units. Refer to
Division 1.

END OF SECTION 15837

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SECTION 15855 - DIFFUSERS, REGISTERS, AND GRILLES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes ceiling- and wall-mounted diffusers, registers, and grilles.

1.3 DEFINITIONS

A. Diffuser: Circular, square, or rectangular air distribution outlet, generally located in the ceiling and
comprised of deflecting members discharging supply air in various directions and planes and arranged to
promote mixing of primary air with secondary room air.

B. Grille: A louvered or perforated covering for an opening in an air passage, which can be located in a
sidewall, ceiling, or floor.

C. Register: A combination grille and damper assembly over an air opening.

1.4 SUBMITTALS

A. Product Data: For each model indicated, include the following:

1. Data Sheet: For each type of air outlet and inlet, and accessory furnished; indicate construction,
finish, and mounting details.
2. Performance Data: Include throw and drop, static-pressure drop, and noise ratings for each type of
air outlet and inlet.
3. Schedule of diffusers, registers, and grilles indicating drawing designation, room location,
quantity, model number, size, and accessories furnished.
4. Assembly Drawing: For each type of air outlet and inlet; indicate materials and methods of
assembly of components.

B. Coordination Drawings: Reflected ceiling plans and wall elevations drawn to scale to show locations and
coordination of diffusers, registers, and grilles with other items installed in ceilings and walls.

C. Samples for Initial Selection: Manufacturer's color charts showing the full range of colors available for
diffusers, registers, and grilles with factory-applied color finishes.

D. Samples for Verification: Of diffusers, registers, and grilles, in manufacturer's standard sizes, showing
the full range of colors. Prepare Samples from the same material to be used for the Work.

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1.5 QUALITY ASSURANCE

A. Product Options: Drawings and schedules indicate specific requirements of diffusers, registers, and
grilles and are based on the specific requirements of the systems selected. Other manufacturers' products
with equal performance characteristics may be considered. Refer to Division 1 Section "Product
Requirements."

B. NFPA Compliance: Install diffusers, registers, and grilles according to NFPA 90A, "Standard for the
Installation of Air-Conditioning and Ventilating Systems."

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Refer to vendor list.

2.2 AIR-DIFFUSION DEVICE CONSTRUCTION

A. Air-diffusion device construction and mounting shall preclude flutter, rattle, or vibration. Devices shall
have the modifications and accessories necessary for mounting in indicated surface construction.

B. Color selection shall be as directed by the Engineer.

C. Supply diffusers shall be provided with combination damper and equalizing grid. Dampers shall be
extracting-splitter type, except as otherwise indicated.

D. Supply diffusers shall be selected to give required throw to nearest wall. Terminal velocity is not to
exceed 0.5 m/s specified air quantity. Velometer velocities through diffuser are not to exceed 3.0 m/s.
Supply diffusers are to be able to deliver air for cooling at 15 deg. C below room temperature without
causing objectionable conditions.

E. Air-diffusion device volume and pattern adjustments shall be made from the face of the device. Volume
adjustments shall be made by [removable key] [tamper-deterring device].

F. Gaskets shall be provided for supply-terminal air devices mounted in finished surfaces.

G. Exterior and exposed edges shall be rolled, or otherwise stiffened and rounded.

H. For ductwork of pressure classes 1000 to 2500 Pa (4 to 10 inch water gage), provide sponge-rubber
gasket between flanges and wall or ceiling.

I. Size air outlets for minimum noise levels, not to exceed 30 db at specified air quantity, as measured on
the A-scale of a standard noise level meter, unless specified otherwise

2.3 MANUFACTURED UNITS

A. Diffusers, registers, and grilles are scheduled at the end of this Section.

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B. Diffusers, registers, and grilles are scheduled on Drawings.

2.4 SOURCE QUALITY CONTROL

A. Testing: Test performance according to ASHRAE 70, "Method of Testing for Rating the Performance of
Air Outlets and Inlets."

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas where diffusers, registers, and grilles are to be installed for compliance with requirements
for installation tolerances and other conditions affecting performance of equipment. Do not proceed with
installation until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Install diffusers, registers, and grilles level and plumb, according to manufacturer's written instructions,
Coordination Drawings, original design, and referenced standards.

B. Ceiling-Mounted Outlets and Inlets: Drawings indicate general arrangement of ducts, fittings, and
accessories. Air outlet and inlet locations have been indicated to achieve design requirements for air
volume, noise criteria, airflow pattern, throw, and pressure drop. Make final locations where indicated, as
much as practicable. For units installed in lay-in ceiling panels, locate units in the center of the panel.
Where architectural features or other items conflict with installation, notify Engineer for a determination
of final location.

C. Install diffusers, registers, and grilles with airtight connection to ducts and to allow service and
maintenance of dampers, air extractors, and fire dampers.

3.3 ADJUSTING

A. After installation, adjust diffusers, registers, and grilles to air patterns indicated, or as directed, before
starting air balancing.

3.4 CLEANING

A. After installation of diffusers, registers, and grilles, inspect exposed finish. Clean exposed surfaces to
remove burrs, dirt, and smudges. Replace diffusers, registers, and grilles that have damaged finishes.

3.5 DIFFUSER SCHEDULE

A. Diffuser [SCD]: <Supply Ceiling Diffuser>.

1. Material: Aluminum.

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2. Finish: Baked enamel, color to be selected and approved by Engineer.

3. Duct Connection: Round
4. Face Size: 600mmX600mm.
5. Maximum Noise-Criterion Rating: NC 35.
6. Face Style: Square.
7. Mounting: Flush
8. Pattern: 4 way.
9. Dampers: Opposed blade.
10. Accessories: Include the following:

a. Equalizer deflectors.
b. Smudge ring.
c. Plaster ring.
d. Extractor.
e. Blank-off panel, end caps and mitred corners.
f. Operating keys.
g. Insulated supply and return plenums.

3.6 REGISTER SCHEDULE

A. Register [SR/RR]: <Supply & Return Register>.

1. Material: Aluminum.
2. Finish: Baked enamel, color to be selected and approved by Engineer.
3. Face Blade Arrangement: Adjustable horizontal.
4. Rear Blade Arrangement: Adjustable vertical.
5. Frame: 25 mm wide.
6. Mounting: Concealed.
7. Damper Type: Opposed blade.
8. Accessories: Include plaster frame.

END OF SECTION 15855

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SECTION 15890 - AIR DUCT CLEANING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and
Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes cleaning of the following existing duct systems:

1. Supply system.
2. Return system.
3. Exhaust system.

1.3 DEFINITIONS

A. ASCS: Air system cleaning specialist.

B. NADCA: National Air Duct Cleaners Association.

C. SMACNA: Sheet Metal and Air Conditioning Contractors' National Association.

1.4 SUBMITTALS

A. Manufacturer Certificates: Signed by manufacturers certifying that products comply with requirements.

B. Qualification Data: For ASCS.

C. Field quality-control test reports.

1.5 QUALITY ASSURANCE

A. ASCS Qualifications: A member of a nationally recognized nonprofit industry organization dedicated to

the cleaning of HVAC systems.

1. Certification: Employ a staff of ASCSs certified by a nationally recognized certification program.

2. Supervisor Qualifications: Certified by a nationally recognized program and organization.
3. Experience: Submit records of experience in the field of HVAC systems cleaning.
4. Equipment, Materials, and Labor: Have equipment, materials, and labor required to perform
specified services.

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B. Comply with current published standards of NADCA.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product
selection:

1. Manufacturers: Refer to vendor list.

2.2 SHEET METAL MATERIALS

A. Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for
acceptable materials, material thicknesses, and duct construction methods, unless otherwise
indicated.

B. Galvanized-Steel Sheet: Lock-forming quality; complying with ASTM A 653/A 653M and having [Z180
(G60)] [Z275 (G90)] coating designation; ducts shall have mill-phosphatized finish for surfaces exposed
to view.

C. Reinforcement Shapes and Plates: Galvanized-steel reinforcement where installed on galvanized sheet
metal ducts; compatible materials for aluminum and stainless-steel ducts.

D. Tie Rods: Galvanized steel, 6-mm (1/4-inch) minimum diameter for lengths 900 mm (36 inches) or less;
10-mm (3/8-inch) minimum diameter for lengths longer than 900 mm (36 inches).

2.2 DUCT-MOUNTING ACCESS DOORS

A. General Description: Fabricate doors airtight and suitable for duct pressure class.

B. Rectangular Duct Door: Double wall; fabricated of galvanized sheet metal with insulation fill and
thickness as indicated for duct pressure class. Include vision panel where indicated. Include 25-by-25-
mm (1-by-1-inch) butt or piano hinge and cam latches.

1. Frame: Galvanized-steel sheet; with bendover tabs and foam gaskets.

2. Provide number of hinges and locks as follows:

a. Less Than 300 mm (12 Inches) Square: Secure with two sash locks.
b. Up to 450 mm (18 Inches) Square: Two hinges and two sash locks.
c. Up to 600 by 1200 mm (24 by 48 Inches): Three hinges and two compression
latches[ with outside and inside handles].
d. Sizes 600 by 1200 mm (24 by 48 Inches) and Larger: Four hinges and two compression
latches[ with outside and inside handles].

C. Round Duct Door: Double wall; fabricated of galvanized sheet metal with insulation fill and 1-inch (25-
mm) thickness. Include cam latches.

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1. Frame: Galvanized-steel sheet; with spin-in notched frame.

D. Pressure Relief Access Door: [Single] [Double] wall; fabricated of galvanized sheet metal[ with
insulation fill and thickness] as required for duct pressure class. Include vision panel with latches and
retaining chain.

1. Frame: Galvanized-steel sheet; with bendover tabs and foam gaskets.

E. Seal around frame attachment to duct and door to frame with neoprene or foam rubber.

F. Insulation: 25-mm- (1-inch-) thick fibrous-glass or polystyrene-foam board.

2.3 FLEXIBLE CONNECTORS

A. General Description: Flame-retardant or noncombustible fabrics, coatings, and adhesives complying with
UL 181, Class 1.

B. Metal-Edged Connectors: Factory fabricated with a fabric strip [89 mm (3-1/2 inches)] [146 mm (5-3/4
inches)] wide attached to 2 strips of 70-mm- (2-3/4-inch-) wide, 0.7-mm- (0.028-inch-) thick, galvanized-
steel sheet or 0.8-mm- (0.032-inch-) thick aluminum sheets. Select metal compatible with ducts.

C. Indoor-System, Flexible-Connector Fabric: Glass fabric double coated with neoprene.

1. Minimum Weight: 880 g/sq. m (26 oz./sq. yd.).

2. Tensile Strength: 84 N/mm (480 lbf/inch) in the warp and 63 N/mm (360 lbf/inch) in the filling.
3. Service Temperature: Minus 40 to plus 93 deg C (Minus 40 to plus 200 deg F).

D. Outdoor-System, Flexible-Connector Fabric: Glass fabric double coated with weatherproof synthetic
rubber resistant to UV rays and ozone.

1. Minimum Weight: 810 g/sq. m (24 oz./sq. yd.).

2. Tensile Strength: 93 N/mm (530 lbf/inch) in the warp and 77 N/mm (440 lbf/inch) in the filling.
3. Service Temperature: Minus 45 to plus 121 deg C (Minus 50 to plus 250 deg F).

E. High-Temperature System, Flexible Connectors: Glass fabric coated with silicone rubber.

1. Minimum Weight: 542 g/sq. m (16 oz./sq. yd.).

2. Tensile Strength: 50 N/mm (285 lbf/inch) in the warp and 32 N/mm (185 lbf/inch) in the filling.
3. Service Temperature: Minus 55 to plus 260 deg C (Minus 67 to plus 500 deg F).

F. High-Corrosive-Environment System, Flexible Connectors: Glass fabric with chemical-resistant coating.

1. Minimum Weight: 474 g/sq. m (14 oz./sq. yd.).

2. Tensile Strength: 79 N/mm (450 lbf/inch) in the warp and 60 N/mm (340 lbf/inch) in the filling.
3. Service Temperature: Minus 55 to plus 260 deg C (Minus 67 to plus 500 deg F).

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2.4 FLEXIBLE DUCTS

A. Noninsulated-Duct Connectors: UL 181, Class 1, 2-ply vinyl film supported by helically wound, spring-
steel wire.

1. Pressure Rating: 2500 Pa (10-inch wg) positive and 250 Pa (1.0-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 23 to plus 71 deg (C Minus 10 to plus 160 deg F).

B. Noninsulated-Duct Connectors: UL 181, Class 1, black polymer film supported by helically wound,
spring-steel wire.

1. Pressure Rating: 1000 Pa (4-inch wg) positive and 125 Pa (0.5-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 28 to plus 79 deg C (Minus 20 to plus 175 deg F).

C. Noninsulated-Duct Connectors: UL 181, Class 1, multiple layers of aluminum laminate supported by

helically wound, spring-steel wire.

1. Pressure Rating: 2500 Pa (10-inch wg) positive and 250 Pa (1.0-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 28 to plus 99 deg C Minus (20 to plus 210 deg F).

D. Noninsulated-Duct Connectors: UL 181, Class 1, aluminum laminate and polyester film with latex
adhesive supported by helically wound, spring-steel wire.

1. Pressure Rating: 2500 Pa (10-inch wg) positive and 250 Pa (1.0-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 28 to plus 99 deg C Minus (20 to plus 210 deg F).

E. Noninsulated-Duct Connectors: UL 181, Class 0, interlocking spiral of aluminum foil.

1. Pressure Rating: 2280 Pa (8-inch wg) positive or negative.

2. Maximum Air Velocity: 25.4 m/s (5000 fpm).
3. Temperature Range: Minus 73 to plus 224 deg C (Minus 100 to plus 435 deg F).

F. Insulated-Duct Connectors: UL 181, Class 1, 2-ply vinyl film supported by helically wound, spring-steel
wire; fibrous-glass insulation; and [polyethylene] [aluminized] vapor barrier film.

1. Pressure Rating: 2500 Pa (10-inch wg) positive and 250 Pa (1.0-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 23 to plus 71 deg C (Minus 10 to plus 160 deg F).

G. Insulated-Duct Connectors: UL 181, Class 1, black polymer film supported by helically wound, spring-
steel wire; fibrous-glass insulation; and [polyethylene] [aluminized] vapor barrier film.

1. Pressure Rating: 1000 Pa (4-inch wg) positive and 125 Pa (0.5-inch wg) negative..
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 28 to plus 79 deg C (Minus 20 to plus 175 deg F).

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H. Insulated-Duct Connectors: UL 181, Class 1, multiple layers of aluminum laminate supported by

helically wound, spring-steel wire; fibrous-glass insulation; and [polyethylene] [aluminized] vapor
barrier film.

1. Pressure Rating: 2500 Pa (10-inch wg) positive and 250 Pa (1.0-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 28 to plus 99 deg C Minus (20 to plus 210 deg F).

I. Insulated-Duct Connectors: UL 181, Class 1, aluminum laminate and polyester film with latex adhesive
supported by helically wound, spring-steel wire; fibrous-glass insulation; and [polyethylene]
[aluminized] vapor barrier film.

1. Pressure Rating: 2500 Pa (10-inch wg) positive and 250 Pa (1.0-inch wg) negative.
2. Maximum Air Velocity: 20.3 m/s (4000 fpm).
3. Temperature Range: Minus 28 to plus 99 deg C Minus (20 to plus 210 deg F).

J. Insulated-Duct Connectors: UL 181, Class 0, interlocking spiral of aluminum foil; fibrous-glass

insulation; and [polyethylene] [aluminized] vapor barrier film.

1. Pressure Rating: 2280 Pa (8-inch wg) positive or negative.

2. Maximum Air Velocity: .4 m/s (5000 fpm).
3. Temperature Range: Minus 28 to plus 121 deg C (Minus 20 to plus 250 deg F).

K. Flexible-Duct Clamps: [Stainless-steel band with cadmium-plated hex screw to tighten band with a
worm-gear action] [Nylon strap], in sizes 75 to 450 mm (3 through 18 inches) to suit duct size.

2.5 DUCT ACCESSORY HARDWARE

A. Fusible Links: Replaceable, [74 deg C (165 deg F)] [100 deg C (212 deg F)] rated.

B. Adhesives: High strength, quick setting, neoprene based, waterproof, and resistant to gasoline and
grease.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine systems to determine appropriate methods, tools, and equipment required for performance of
work.

B. Prepare written report listing conditions detrimental to performance of work.

C. Proceed with work only after unsatisfactory conditions have been corrected.

3.2 CLEANING

A. Engage a qualified ASCS to clean the following systems:

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1. Supply system.
2. Return system.
3. Exhaust system.

B. Perform cleaning before air balancing or mark position of dampers and air-directional mechanical devices
before cleaning.

C. Use duct-mounted access doors, as required, for physical and mechanical entry and for inspection.

1. Install additional duct-mounting access doors to comply with duct cleaning standards.[ Comply
with requirements in Division 15 Section "Duct Accessories" for additional duct-mounting
access doors.]
2. Disconnect and reconnect flexible ducts as needed for cleaning and inspection. Replace damaged
and deteriorated flexible ducts.[ Comply with requirements in Division 15 Section "Duct
Accessories" for flexible ducts.]
3. Disconnect and reconnect flexible connectors as needed for cleaning and inspection. Replace
damaged and deteriorated flexible connectors.[ Comply with requirements in Division 15
Section "Duct Accessories" for flexible connectors.]
4. Reseal rigid-fiberglass-duct systems according to NAIMA recommended practices.
5. Replace damaged fusible links on fire and smoke dampers. Replacement fusible links shall be
same rating as those being replaced.[ Comply with requirements in Division 15 Section "Duct
Accessories" for fusible links.]
6. Remove and reinstall ceiling components to gain access for duct cleaning. Clean ceiling
components after they have been removed and replaced.

D. Mark position of dampers and air-directional mechanical devices before cleaning, and restore to their
marked position on completion.

E. Particulate Collection and Odor Control:

1. Where venting vacuuming system inside building, use HEPA filtration with 99.97 percent
collection efficiency for 0.3-micron (0.0076-mm) size (or greater) particles.
2. When venting vacuuming system outside building, use filtration to contain debris removed from
the HVAC system and locate exhaust down wind and away from air intakes and other points of
entry into building.

F. Clean the following metal-duct system components by removing visible surface contaminants and
deposits:

1. Air outlets and inlets (registers, grilles, and diffusers).

2. [Supply] [Return] [Exhaust] [Supply and return] [Supply, return, and exhaust] fans
including fan housings, plenums (except ceiling supply and return plenums), scrolls, blades or
vanes, shafts, baffles, dampers, and drive assemblies.
3. Air-handling-unit internal surfaces and components including mixing box, coil section, air wash
systems, spray eliminators, condensate drain pans, humidifiers and dehumidifiers, filters and filter
sections, and condensate collectors and drains.
4. Coils and related components.
5. Return-air ducts, dampers, and actuators, except in ceiling plenums and mechanical room.
6. Supply-air ducts, dampers, actuators, and turning vanes.
7. Dedicated exhaust and ventilation components.

G. Mechanical Cleaning Methodology:

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1. Clean metal-duct systems using mechanical cleaning methods that extract contaminants from
within duct systems and remove contaminants from building.
2. Use vacuum-collection devices that are operated continuously during cleaning. Connect vacuum
device to downstream end of ducts so areas being cleaned are under negative pressure.
3. Use mechanical agitation to dislodge debris adhered to interior duct surfaces without damaging
integrity of metal ducts or duct liner.
4. Clean fibrous-glass duct liner with HEPA vacuuming equipment, and do not permit duct liner to
get wet. Replace fibrous-glass duct liner that is damaged, deteriorated, or delaminated or that has
friable material, mold, or fungus growth.
5. Clean coils and coil drain pans according to NADCA 1992. Keep drain pan operational. Rinse
coils with clean water to remove latent residues and cleaning materials; comb and straighten fins.
6. Provide operative drainage system for washdown procedures.
7. Biocidal Agents and Coatings: Apply biocidal agents if fungus is present; use according to
manufacturer's written instructions after removal of surface deposits and debris.

H. Cleanliness Verification:

1. Verify cleanliness after mechanical cleaning and before application of treatment, including
biocidal agents and protective coatings.
2. Visually inspect metal-duct systems for contaminants.
3. Where contaminants are discovered, reclean and reinspect duct systems.

3.3 DUCT ACCESSORIES INSTALLATION

A. Install duct accessories according to applicable details in SMACNA's "HVAC Duct Construction
Standards--Metal and Flexible" for metal ducts and in NAIMA AH116, "Fibrous Glass Duct Construction
Standards," for fibrous-glass ducts.

B. Provide duct accessories of materials suited to duct materials; use galvanized-steel accessories in
galvanized-steel and fibrous-glass ducts, stainless-steel accessories in stainless-steel ducts, and aluminum
accessories in aluminum ducts.

C. Install duct-mounting access doors where access doors do not currently exist to allow for the cleaning of
ducts, accessories, and terminal units as follows:

1. On both sides of duct coils.

2. Downstream from volume dampers[, turning vanes,] and equipment.
3. Adjacent to fire or smoke dampers; reset or install new fusible links.
4. Before and after each change in direction, at maximum 15-m (50-foot) spacing.
5. On sides of ducts where adequate clearance is available.

D. Install the following sizes for duct-mounting, rectangular access doors:

1. One-Hand or Inspection Access: 200 by 125 mm (8 by 5 inches).

2. Two-Hand Access: 300 by 150 mm (12 by 6 inches).
3. Head and Hand Access: 460 by 250 mm (18 by 10 inches).
4. Head and Shoulders Access: 530 by 355 mm (21 by 14 inches).
5. Body Access: 635 by 355 mm (25 by 14 inches).
6. Body Plus Ladder Access: 635 by 430 mm (25 by 17 inches).

E. Install the following sizes for duct-mounting, round access doors:

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1. One-Hand or Inspection Access: 200 mm (8 inches) in diameter.

2. Two-Hand Access: 250 mm (10 inches) in diameter.
3. Head and Hand Access: 300 mm (12 inches) in diameter.
4. Head and Shoulders Access: 460 mm (18 inches) in diameter.
5. Body Access: 600 mm (24 inches) in diameter.

F. Install the following sizes for duct-mounting, pressure relief access doors:

1. One-Hand or Inspection Access: [125 mm (5 inches)] [175 mm (7 inches)] in diameter.

2. Two-Hand Access: 250 mm (10 inches) in diameter.
3. Head and Hand Access: 330 mm (13 inches) in diameter.
4. Head and Shoulders Access: 480 mm (19 inches) in diameter.

3.4 CONNECTIONS

A. Reconnect ducts to fans and air-handling units with existing flexible connectors after cleaning ducts and
flexible connectors. Replace existing damaged and deteriorated flexible connectors.

B. For fans developing static pressures of 1250 Pa (5-inch wg) and higher, cover replacement flexible
connectors with loaded vinyl sheet held in place with metal straps.

C. Reconnect terminal units to supply ducts with existing flexible ducts or replace damaged and deteriorated
existing flexible ducts with maximum 300-mm (12-inch) lengths of new flexible duct.

D. Reconnect diffusers or light troffer boots to low-pressure ducts with existing flexible ducts or replace
damaged and deteriorated existing flexible ducts with maximum 1500-mm (60-inch) lengths of flexible
duct clamped or strapped in place.

E. Reconnect existing and new flexible ducts to metal ducts with draw bands.

3.5 FIELD QUALITY CONTROL

A. Gravimetric Analysis: Sections of metal-duct system, chosen randomly by [Owner] [Architect], may be
tested for cleanliness according to NADCA vacuum test gravimetric analysis.

1. If analysis determines that levels of debris are equal to or lower than suitable levels, system shall
have passed cleanliness verification.
2. If analysis determines that levels of debris exceed suitable levels, system cleanliness verification
will have failed and metal-duct system shall be recleaned and reverified.

B. Verification of Coil Cleaning: Cleaning shall restore coil pressure drop to within 10 percent of pressure
drop measured when coil was first installed. If original pressure drop is not known, coil will be
considered clean only if it is free of foreign matter and chemical residue, based on thorough visual
inspection.

C. Report results of tests in writing.

END OF SECTION 15890

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SECTION 15990 - TESTING, ADJUSTING, AND BALANCING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes testing, adjusting, and balancing HVAC systems to produce design objectives,
including the following:

1. Balancing airflow and water flow within distribution systems, including sub-mains, branches, and
terminals, to indicated quantities according to specified tolerances.
2. Adjusting total HVAC systems to provide indicated quantities.
3. Measuring electrical performance of HVAC equipment.
4. Setting quantitative performance of HVAC equipment.
5. Verifying that automatic control devices are functioning properly.
6. Measuring sound and vibration.
7. Reporting results of the activities and procedures specified in this Section.

B. Related Sections include the following:

1. Testing and adjusting requirements unique to particular systems and equipment are included in the
Sections that specify those systems and equipment.
2. Field quality-control testing to verify that workmanship quality for system and equipment
installation is specified in system and equipment Sections..

1.3 REFRENCE STANDARDS

A. ASHRAE – Standard 111-2008; Measurement, Testing, Adjusting and Balancing of Building HVAC
systems.

B. ASHRAE 2007 Applications handbook; Chapter 37: Testing, Adjusting, and balancing.

C. AABC; National Standards for Total System Balance.

D. NEBB; Procedural Standards for testing, balancing and adjusting of environmental systems.

E. SMACNA; HVAC Systems, Testing, Adjusting, and Balancing.

F. Sheet Metal Industry; Testing, Adjusting, Balancing Bureau (TABB); Certified contractor
commissioning.

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1.4 DESCRIPTION

A. Provide total mechanical systems testing, adjusting and balancing. Requirements include the balance of
air and water distribution, equipment adjustments to provide design quantities indicated on the drawings,
and electrical measurement and verification of performance of all equipment. All work will be done in
accordance with Reference Standards (1.3).

B. Test, adjust and balance all air and hydronic systems so that each room, piece of equipment or terminal
device is using the quantities indicated on the drawings and in the specifications.

1.5 DEFINITIONS

A. Adjust: To regulate fluid flow rate and air patterns at the terminal equipment, such as to reduce fan speed
or adjust a damper.

B. Balance: To proportion flows within the distribution system, including submains, branches, and
terminals, according to design quantities.

C. Draft: A current of air, when referring to localized effect caused by one or more factors of high air
velocity, low ambient temperature, or direction of airflow, whereby more heat is withdrawn from a
person's skin than is normally dissipated.

D. Procedure: An approach to and execution of a sequence of work operations to yield repeatable results.

E. Report Forms: Test data sheets for recording test data in logical order.

F. Static Head: The pressure due to the weight of the fluid above the point of measurement. In a closed
system, static head is equal on both sides of the pump.

G. Suction Head: The height of fluid surface above the centerline of the pump on the suction side.

H. System Effect: A phenomenon that can create undesired or unpredicted conditions that cause reduced
capacities in all or part of a system.

I. System Effect Factors: Allowances used to calculate a reduction of the performance ratings of a fan
when installed under conditions different from those presented when the fan was performance tested.

J. Terminal: A point where the controlled medium, such as fluid or energy, enters or leaves the distribution
system.

K. Test: A procedure to determine quantitative performance of a system or equipment.

L. Testing, Adjusting, and Balancing Agent: The entity responsible for performing and reporting the testing,
adjusting, and balancing procedures.

M. AABC: Associated Air Balance Council.

N. AMCA: Air Movement and Control Association.

O. CTI: Cooling Tower Institute.

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P. NEBB: National Environmental Balancing Bureau.

Q. SMACNA: Sheet Metal and Air Conditioning Contractors' National Association.

1.6 RELATED WORKS

A. Perform a pre-construction review of the following documents:

1. 1) Contract drawings.
2. 2) Contract specifications.
3. 3) Addenda
4. 4) Submittal data.
5. 5) Shop drawings.
6. 6) Automatic control drawings.
7. 7) Prepare a report of the pre-construction review that lists recommended changes that allow for
the most effective balancing of all mechanical Systems.

B. Perform construction review, coordinated with General Contractor and the Engineer during the
installation of the mechanical systems. Purpose for the review is to:

1. Identify potential problems for performing balancing.

2. Identify modifications that will aid balancing.
3. Schedule and coordinate balancing with other work.
4. Prepare a report of construction review.

C. Prior to beginning testing, adjusting and balancing, schedule and conduct a conference with the Engineer,
Owner Representative, and the Mechanical/Control system installing Contractors. The conference
objective is final coordination and verification of system operation and readiness for testing, adjusting
and balancing procedures and scheduling procedures with the above mentioned parties. Indicate work
required to be completed prior to testing, adjusting, and balancing and identify the party responsible for
completion of that work.

D. Contact the Control Contractor for assistance in operation and adjustment of controls during testing,
adjusting and balancing procedures. Include in report any deficiencies found in the temperature control
system as they relate to testing and balancing.

1.7 SUBMITTALS

A. Quality-Assurance Submittals: Within 30 days from the Engineer's Notice to Commence, submit 2
copies of evidence that the testing, adjusting, and balancing Agent and this Project's testing, adjusting,
and balancing team members meet the qualifications specified in the "Quality Assurance" Article below.

B. Contract Documents Examination Report: Within 45 days from the Engineer's Notice to Commence,
submit 2 copies of the Contract Documents review report as specified in Part 3 of this Section.

C. Strategies and Procedures Plan: Within 60 days from the Engineer's Notice to Commence, submit 2
copies of the testing, adjusting, and balancing strategies and step-by-step procedures as specified in Part 3
"Preparation" Article below. Include a complete set of report forms intended for use on this Project.

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D. Certified Testing, Adjusting, and Balancing Reports: Submit 2 copies of reports prepared, as specified in
this Section, on approved forms certified by the testing, adjusting, and balancing Agent.

E. Submit for review, prior to commence of work, a list of equipment, procedures, and data collection forms
to be used in balancing the systems, together with schematic drawings outlining all the air and water
mechanical systems in the project.

F. Submit reports of pre-construction plan check and periodic mechanical construction review, 12 weeks
prior to commence of work.

G. Upon completion of work, submit testing, adjusting and balancing reports bearing the seal and signature
of the Certified Test and Balance Supervisor/Technician. The reports are:

H. Certified proof that the systems have been tested, adjusted and balanced in accordance with the
referenced standards; are an accurate representation of how the systems have been installed and are
operating; and, are an accurate record of all final quantities measured to establish normal operating values
of the systems.

I. Sample Report Forms: Submit 2 sets of sample testing, adjusting, and balancing report forms.

J. Report Format and Contents

1. Format: Bind report forms in three-ring binders or portfolio binders. Label edge and binder front
cover with label identifying project name, project number and descriptive title of contents. Divide
the contents of the report into the below listed divisions, separated by divider tabs:
a. General Information (title page and instrument list).
b. Summary.
c. Air Systems.
d. Water Systems.
e. Special Systems.

2. Title Page:
a. Company name.
b. Company address.
c. Company telephone number.
d. Name, signature, and registration number of each technician.
e. Project name.
f. Project location.
g. Project Architect.
h. Project Engineer.
i. Project Contractor.
j. Project altitude.
k. Date of report.
l. Balancing methodology (Ratio or Herman Method).

3. Instrument List:
a. Instrument.
b. Manufacturer.
c. Model.
d. Serial number.
e. Range.
f. Calibration histories.

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4. Summary page(s) to include:

a. Provide sheet describing mechanical system deficiencies.
b. Describe objectionable noise or drafts found during testing, adjusting and balancing.
c. Provide recommendations for correcting deficiencies and unsatisfactory performances and
indicate whether modifications required are: within the scope of the contract; design
related; or installation related.

5. The remainder of the report shall contain the appropriate forms for each respective item and
system. Fill out forms completely. Indicate on form when information cannot be obtained or is not
applicable.

6. For air systems, the forms shall, at a minimum, include:

a. Names and initials of personnel performing the balancing (on each form).
b. Dates’ balancing was performed (on each form).
c. Weather conditions at the time of the test (especially temperature).
d. All motor rated data: voltages, amps, RPM, HP, manufacturer, starter and overload
protective device sizes.
e. All motor operating data (before and after adjustments) voltages, amps, RPM, HP, BHP,
and sheave size/rating and manufacturer.
f. All fan data (design and operating): supply and return CFM, operating static pressures
(suction, discharge, and fan static), fan sheave, belt size, fan RPM.
g. All drive changes necessitated to obtain design capacities.
h. List actual minimum outside air volumes measured for each system and the corresponding
control set point.
i. All supply and return air outlet CFM readings. Include velocity measurements and AK
factors where applicable. Include initial and final CFM readings at each box.
j. For VAV systems, record static pressure at each terminal box as well as static pressure at
static pressure sensor (for temperature control system).
k. Measure building static pressure at building static pressure sensor and five other locations.
l. Heating and cooling coil entering and leaving air temperatures during test (as a reference).

7. For water systems, the forms shall, at a minimum, include:

a. Names and initials of personnel performing the balancing (on each form).
b. Dates’ balancing was performed (on each form).
c. All motor operating data (design and operating): voltages, amps, RPM, HP, BHP, starter
and overload protective device sizes/rating.
d. All pump data (design and operating): GPM, RPM, discharge pressure (no flow and full
flow), suction pressure (no flow and full flow), total head pressure (no flow and full flow),
impeller size, (ensure that pump curves are in O&M manuals).
e. Flow levels for each unit served (design and operating).
f. Heating and cooling coil water entering and leaving temperatures.

8. Detailed data collection requirements for specific HVAC systems are in Appendix TAB1.

9. Any deficiencies that could not be resolved should be provided in writing and a possible
explanation of the problem provided.

K. Test and Balance Contractor will provide Control Contractor with:

1. Static pressure and CFM values at each fan system

2. Static pressure and CFM values at each terminal box

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3. Static pressure at static pressure sensor (that ensures adequate static pressure at all terminal boxes)
and at AHU static pressure sensor.
4. For each fan system, outside air damper position that provides required minimum outside air.
5. Flow rates and pressures for each hydronic system
6. Pipe pressure at pressure sensor (that ensures adequate pressure at all coil valves) and at pump
pressure sensor.

1.8 QUALITY ASSURANCE

A. Agent Qualifications: Engage a testing, adjusting, and balancing agent certified by either AABC or
NEBB, or another agency acceptable to Engineer.

B. Testing, Adjusting, and Balancing Conference: Meet with the Employer's and the Engineer's
representatives on approval of the testing, adjusting, and balancing strategies and procedures plan to
develop a mutual understanding of the details. Ensure the participation of testing, adjusting, and
balancing team members, equipment manufacturers' authorized service representatives, HVAC controls
Installer, and other support personnel. Provide 7 days' advance notice of scheduled meeting time and
location.

1. Agenda Items: Include at least the following:

a. Submittal distribution requirements.

b. Contract Documents examination report.
c. Testing, adjusting, and balancing plan.
d. Work schedule and Project site access requirements.
e. Coordination and cooperation of trades and subcontractors.
f. Coordination of documentation and communication flow.

C. Work shall be performed only by a Contractor which employs certified testing and balancing
Technicians. If Contractor cannot meet this criterion, then the following information shall be provided for
each technician before contract is awarded.

1. Identify each Technician by name.

2. The Technicians shall have successfully completed testing, adjusting, and balancing classes and
shall present for review their certification of training.
3. The Technicians’' previous work experiences shall not be less than five years.
4. Technicians’' references (including contact names and phone numbers) from all jobs during the
past 12 months shall be presented.
5. No Technician substitutions will be made without prior approval from the owner.

D. Instruments shall be in first class state of repair and have been calibrated within a period of six months
prior to starting the job.

E. Use factory trained representatives for starting heavy equipment (chillers, cooling towers, boilers…etc.)

F. Certification of Testing, Adjusting, and Balancing Reports: Certify the testing, adjusting, and balancing
field data reports. This certification includes the following:

1. Review field data reports to validate accuracy of data and to prepare certified testing, adjusting,
and balancing reports.

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2. Certify that the testing, adjusting, and balancing team complied with the approved testing,
adjusting, and balancing plan and the procedures specified and referenced in this Specification.

G. Testing, Adjusting, and Balancing Reports: Use testing, adjusting, and balancing Agent's report forms as
approved by the Engineer.

H. Instrumentation Type, Quantity, and Accuracy: As described in [AABC national standards] [NEBB's
"Procedural Standards for Testing, Adjusting, and Balancing of Environmental Systems,"
Section II, "Required Instrumentation for NEBB Certification"].

I. .Instrumentation Calibration: Calibrate instruments at least every 6 months or more frequently if required
by the instrument manufacturer.

1.9 PROJECT CONDITIONS

A. Employer Occupancy: The Employer may occupy completed areas of the building before Substantial
Completion. Cooperate with the Employer during testing, adjusting, and balancing operations to
minimize conflicts with the Employer's operations.

1.10 COORDINATION

A. Coordinate the efforts of factory-authorized service representatives for systems and equipment, HVAC
controls installers, and other mechanics to operate HVAC systems and equipment to support and assist
testing, adjusting, and balancing activities.

B. Notice: Provide 7 days' advance notice for each test. Include scheduled test dates and times.

C. Perform testing, adjusting, and balancing after leakage and pressure tests on air and water distribution
systems have been satisfactorily completed.

PART 2 - PRODUCTS

2.1 INSTRUMENTATION

A. Provide all required instrumentation to obtain proper measurements. Application of instruments and
accuracy of instruments and measurements to be in accordance with the requirements of Reference
Standards and instrument manufacturer's specifications.

B. All instruments used for measurements shall be accurate and calibrated. Calibration and maintenance of all
instruments to be in accordance with the requirements of Reference Standards.

C. Provide all necessary tools, scaffolding and ladders and other necessary instruments.

D. Submit a complete list of instruments that are proposed for use on this project. The list shall be complete
and comprehensive and shall include as a minimum the following:

1. Name of Manufacturer
2. Model Number

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3. Serial Number
4. Description of the Instrument
5. Year of Manufacture
6. Manufacturer's Instructions
7. Calibration Data, including date of last calibration, name of calibrating agency and name of
technician.
8. Description of calibration procedure.
9. Photograph of the actual instrument, including carrying case, accessories, tools, and other ancillary
items.

2.2 SHEAVES AND BELTS

A. The TAB (Testing and Balancing) Agent shall be responsible for providing and installing new fan sheaves
and belts when required to obtain the designed air flow.

2.3 AIR FILTERS

A. The TAB Agent shall be responsible for providing and installing new, clean air filters. Filters shall be
installed before final inspection and before giving notice for the testing, adjusting and balancing.

2.4 BALANCING INSTRUMENTS

A. General: Instruments shall be manufactured by companies regularly engaged in the manufacture of

precision instruments of the specific type for a minimum of 10 years. Use of shop-made instruments or use
of instruments modified from their original configuration is prohibited. Use of instruments not in
manufacture for 10 years is specifically prohibited. Submit data on instruments as specified in submittals
paragraph above.

B. Air Flow Measuring Instruments

1. Instruments used to measure airflow shall be of the Pitot tube type, hot wire anemometer type,
turban type, or vortex shedding type.
2. Airflow from air distribution devices shall be measured using an airflow hood with grid type Pitot
tube sensing element and inclined liquid manometer for output. The manometer shall be scaled in
inches of water column and a conversion chart prepared to convert the readings to air flow in
cubic feet per minute at the site elevation and atmospheric conditions.
3. Airflow in ducts shall be measured using precision Pitot tubes and inclined liquid manometers for
output. The output from the manometer shall be scaled as specified above. Traverses in the duct
shall be as prescribed by ASHRAE or SMACNA.

C. Water Flow Measuring Instruments

1. Instruments used to measure water or other liquid flow shall be of the Pitot type, orifice type,
venturi type, nozzle type, variable area type, or vortex shedding type.

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2. Each type of device shall be installed in the liquid conveyance system in strict accordance with the
manufacturer's instructions and recommendations or in accordance with the data contained in
ASHRAE publications, whichever is most stringent.
3. Output instruments shall read in basic values such as inches of mercury, feet of water, pulses per
second, etc., and then be converted to an appropriate value. The reading shall be corrected for
temperature, pressure, altitude, etc., to obtain true values.

D. Temperature Measuring Instruments

1. Instruments used to measure temperature shall be one of the types described below Use of
bimetallic thermometers is prohibited.
2. Mercury or alcohol-filled glass tube thermometers may be used when temperature changes are 0 or
less than 1 degree F per hour. Thermometers shall be high quality and have a correction chart
furnished with it for temperatures on either side of its true calibration point.
3. Variable resistance devices, RTD's, thermistors, etc., shall be used when temperatures may vary
more than 1 degree F per hour. Readings shall be taken using an electronic balanced bridge and
meter arrangement. Direct reading instruments are prohibited. Hot wire anemometers may be
used in varying temperature situations provided each of the components are a factory-matched
assembly.
4. When required or at the contractor's option, thermocouples may be used to measure temperature.
An electronic balanced bridge shall be used for output as described above.

2.5 PRESSURE MEASURING INSTRUMENTS

A. Instruments used to measure pressure shall be the liquid manometer type, bourdon tube type, precision
transducer type, strain gauge type, or dead weight, piston and cylinder type.

B. Manometers using water or alcohol shall be used to measure low pressures or differential pressures in the
zero to 60 inches of water range.

C. Manometers utilizing mercury shall be used to measure pressures in the zero to 60 inches of mercury range.

D. Bourdon tube type pressure gauges, precision transducers, strain gauges, and deadweight type instruments
shall be used for pressures 10 psi and above or -5 psi and below. Compound gauges shall not be used to
measure pressures below atmospheric.

E. Atmospheric pressure shall be measured by using a mercury barometer.

2.6 HUMIDITY MEASURING INSTRUMENTS

A. Instruments used to measure humidity shall be of the precision electronic type or the use of a sling
psychrometer may be used.

2.7 ROTARY SPEED MEASURING INSTRUMENTS

A. Rotary speeds, generally in RPM, shall be measured using a precision, magnetic direct reading tachometer,
strobic effect type electronic tachometer or a revolution counter with stopwatch.

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B. When rotary speed is expected to vary as in variable speed equipment, strobic effect devices or electronic
tachometers shall be used.

2.8 ELECTRICAL MEASURING INSTRUMENTS

A. Electrical measurements shall be taken with precision, solid state, electronic devices. Voltage, amperage,
wattage and power factor readings shall utilize digital output type reading and recording instruments.

B. [Facilities housing sensitive electronic equipment such as computers, electron microscopes, electronic
medical instruments, etc., shall have an analysis conducted to determine the quality of the incoming power
and the quality of the power downstream of filtering equipment.]

2.9 ENERGY MEASURING INSTRUMENTS

A. Energy Measurements shall not be made directly except for watt hour measuring devices. Energy shall be
calculated using measured values as specified above.

2.10 COMBUSTION PRODUCTS MEASUREMENTS

A. Fuel burning equipment effluent analysis shall be made using equipment based on the Orsat analysis
method.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine Contract Documents to become familiar with project requirements and to discover conditions in
systems' designs that may preclude proper testing, adjusting, and balancing of systems and equipment.

1. Contract Documents are defined in the Conditions of Contract of the Contract.

2. Verify that balancing devices, such as test ports, gage cocks, thermometer wells, flow-control
devices, balancing valves and fittings, and manual volume dampers, are required by the Contract
Documents. Verify that quantities and locations of these balancing devices are accessible and
appropriate for effective balancing and for efficient system and equipment operation.

B. Examine approved submittal data of HVAC systems and equipment.

C. Examine project record documents described in Division 1 Section "Project Record (As-Built)
Documents."

D. Examine Engineer's design data, including HVAC system descriptions, statements of design assumptions
for environmental conditions and systems' output, and statements of philosophies and assumptions about
HVAC system and equipment controls.

E. Examine equipment performance data, including fan and pump curves. Relate performance data to
project conditions and requirements, including system effects that can create undesired or unpredicted
conditions that cause reduced capacities in all or part of a system. Calculate system effect factors to

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reduce the performance ratings of HVAC equipment when installed under conditions different from those
presented when the equipment was performance tested at the factory. To calculate system effects for air
systems, use tables and charts found in AMCA 201, "Fans and Systems," Sections 7 through 10; or in
SMACNA's "HVAC Systems--Duct Design," Sections 5 and 6. Compare this data with the design data
and installed conditions.

F. Examine system and equipment installations to verify that they are complete and that testing, cleaning,
adjusting, and commissioning specified in individual Specification Sections have been performed.

G. Examine system and equipment test reports.

H. Examine HVAC system and equipment installations to verify that indicated balancing devices, such as
test ports, gage cocks, thermometer wells, flow-control devices, balancing valves and fittings, and manual
volume dampers, are properly installed, and their locations are accessible and appropriate for effective
balancing and for efficient system and equipment operation.

I. Examine systems for functional deficiencies that cannot be corrected by adjusting and balancing.

J. Examine air-handling equipment to ensure clean filters have been installed, bearings are greased, belts are
aligned and tight, and equipment with functioning controls is ready for operation.

K. Examine terminal units, such as variable-air-volume boxes and mixing boxes, to verify that they are
accessible and their controls are connected and functioning.

L. Examine plenum ceilings, utilized for supply air, to verify that they are airtight. Verify that pipe
penetrations and other holes are sealed.

M. Examine strainers for clean screens and proper perforations.

N. Examine 3-way valves for proper installation for their intended function of diverting or mixing fluid
flows.

O. Examine heat-transfer coils for correct piping connections and for clean and straight fins.

P. Examine open-piping-system pumps to ensure absence of entrained air in the suction piping.

Q. Examine equipment for installation and for properly operating safety interlocks and controls.

R. Examine automatic temperature system components to verify the following:

1. Dampers, valves, and other controlled devices operate by the intended controller.
2. Dampers and valves are in the position indicated by the controller.
3. Integrity of valves and dampers for free and full operation and for tightness of fully closed and
fully open positions. This includes dampers in multizone units, mixing boxes, and variable-air-
volume terminals.
4. Automatic modulating and shutoff valves, including 2-way valves and 3-way mixing and diverting
valves, are properly connected.
5. Thermostats and humidistats are located to avoid adverse effects of sunlight, drafts, and cold
walls.
6. Sensors are located to sense only the intended conditions.
7. Sequence of operation for control modes is according to the Contract Documents.

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8. Controller set points are set at design values. Observe and record system reactions to changes in
conditions. Record default set points if different from design values.
9. Interlocked systems are operating.
10. Changeover from heating to cooling mode occurs according to design values.

S. Report deficiencies discovered before and during performance of testing, adjusting, and balancing
procedures.

3.2 PREPARATION

A. Prepare a testing, adjusting, and balancing plan that includes strategies and step-by-step procedures.

B. Complete system readiness checks and prepare system readiness reports. Verify the following:

1. Permanent electrical power wiring is complete.

2. Hydronic systems are filled, clean, and free of air.
3. Automatic temperature-control systems are operational.
4. Equipment and duct access doors are securely closed.
5. Balance, smoke, and fire dampers are open.
6. Isolating and balancing valves are open and control valves are operational.
7. Ceilings are installed in critical areas where air-pattern adjustments are required and access to
balancing devices is provided.
8. Windows and doors can be closed so design conditions for system operations can be met.

3.3 GENERAL TESTING AND BALANCING PROCEDURES

A. Perform testing and balancing procedures on each system according to the procedures contained in
SMACNA's "HVAC Systems--Testing, Adjusting, and Balancing" and this Section.

B. Cut insulation, ducts, pipes, and equipment cabinets for installation of test probes to the minimum extent
necessary to allow adequate performance of procedures. After testing and balancing, close probe holes
and patch insulation with new materials identical to those removed. Restore vapor barrier and finish
according to the insulation Specifications for this Project.

C. Mark equipment settings with paint or other suitable, permanent identification material, including
damper-control positions, valve indicators, fan-speed-control levers, and similar controls and devices, to
show final settings.

3.4 TOLERANCES

A. Set HVAC system airflow and water flow rates within the following tolerances:
1. Supply, Return, and Exhaust Fans: Plus 5 to plus 10 percent.
2. Air Outlets and Inlets: 0 to minus 10 percent.
3. Heating-Water Flow Rate: 0 to minus 10 percent.
4. Cooling-Water Flow Rate: 0 to minus 5 percent.

B. Equipment capacities shall be adjusted in accordance with the following:

1. Fan capacities shall be adjusted by changing fan speeds provided the adjustment does not result in
increasing the energy consumption beyond 10%. Obtain approval from the Design Entity prior to

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making permanent changes. Verify that changing speeds will not result in unstable or noisy
operation of the system.
2. Pump capacities shall be adjusted by position balancing valves on the discharge side of the pump.
If valve positioning results in 10% or more of an increase in pump head, verify from the pump
curve data that the efficiency of the pump has not decreased by more than 5%. Evaluate and
recommend in the report whether another impeller size would result in satisfactory operation and
increased efficiency.

3.5 FUNDAMENTAL AIR SYSTEMS' BALANCING PROCEDURES

A. Prepare test reports for both fans and outlets. Obtain manufacturer's outlet factors and recommended
testing procedures. Crosscheck the summation of required outlet volumes with required fan volumes.

B. Prepare schematic diagrams of systems' "as-built" duct layouts.

C. For variable-air-volume systems, develop a plan to simulate diversity.

D. Determine the best locations in main and branch ducts for accurate duct airflow measurements.

E. Check the airflow patterns from the outside-air louvers and dampers and the return- and exhaust-air
dampers, through the supply-fan discharge and mixing dampers.

F. Locate start-stop and disconnect switches, electrical interlocks, and motor starters.

G. Verify that motor starters are equipped with properly sized thermal protection.

H. Check dampers for proper position to achieve desired airflow path.

I. Check for airflow blockages.

J. Check condensate drains for proper connections and functioning.

K. Check for proper sealing of air-handling unit components.

3.6 CONSTANT-VOLUME AIR SYSTEMS' BALANCING PROCEDURES

A. The procedures in this Article apply to constant-volume supply-, return-, and exhaust-air systems.
Additional procedures are required for variable-air-volume, multizone, dual-duct, induction-unit supply-
air systems and process exhaust-air systems. These additional procedures are specified in other articles in
this Section.

B. Adjust fans to deliver total design airflows within the maximum allowable rpm listed by the fan
manufacturer.

1. Measure fan static pressures to determine actual static pressure as follows:

a. Measure outlet static pressure as far downstream from the fan as practicable and upstream
from restrictions in ducts such as elbows and transitions.
b. Measure static pressure directly at the fan outlet or through the flexible connection.

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c. Measure inlet static pressure of single-inlet fans in the inlet duct as near the fan as possible,
upstream from flexible connection and downstream from duct restrictions.
d. Measure inlet static pressure of double-inlet fans through the wall of the plenum that
houses the fan.

2. Measure static pressure across each air-handling unit component.

a. Simulate dirty filter operation and record the point at which maintenance personnel must
change filters.

3. Measure static pressures entering and leaving other devices such as sound traps, heat recovery
equipment, and air washers under final balanced conditions.
4. Compare design data with installed conditions to determine variations in design static pressures
versus actual static pressures. Compare actual system effect factors with calculated system effect
factors to identify where variations occur. Recommend corrective action to align design and
actual conditions.
5. Adjust fan speed higher or lower than design with the approval of the Engineer. Make required
adjustments to pulley sizes, motor sizes, and electrical connections to accommodate fan-speed
changes.
6. Do not make fan-speed adjustments that result in motor overload. Consult equipment
manufacturers about fan-speed safety factors. Modulate dampers and measure fan-motor
amperage to ensure no overload will occur. Measure amperage in full cooling, full heating, and
economizer modes to determine the maximum required brake horsepower.

C. Adjust volume dampers for main duct, submain ducts, and major branch ducts to design airflows within
specified tolerances.

1. Measure static pressure at a point downstream from the balancing damper and adjust volume
dampers until the proper static pressure is achieved.

a. Where sufficient space in submains and branch ducts is unavailable for Pitot-tube traverse
measurements, measure airflow at terminal outlets and inlets and calculate the total airflow
for that zone.

2. Remeasure each submain and branch duct after all have been adjusted. Continue to adjust
submains and branch ducts to design airflows within specified tolerances.

D. Measure terminal outlets and inlets without making adjustments.

1. Measure terminal outlets using a direct-reading hood or the outlet manufacturer's written
instructions and calculating factors.

E. Adjust terminal outlets and inlets for each space to design airflows within specified tolerances of design
values. Make adjustments using volume dampers rather than extractors and the dampers at the air
terminals.

1. Adjust each outlet in the same room or space to within specified tolerances of design quantities
without generating noise levels above the limitations prescribed by the Contract Documents.
2. Adjust patterns of adjustable outlets for proper distribution without drafts.

3.7 MULTIZONE SYSTEMS' ADDITIONAL PROCEDURES

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A. Set unit at full flow through the cooling coil if coil has that capacity.

B. Adjust each zone damper to design airflow.

3.8 INDUCTION-UNIT SYSTEMS' ADDITIONAL PROCEDURES

A. Balance primary-air risers by measuring static pressure at the nozzles of the top and bottom units of each
riser to determine which risers must be throttled. Adjust risers to design airflow within specified
tolerances.

B. Adjust each induction unit.

3.9 FUNDAMENTAL PROCEDURES FOR HYDRONIC SYSTEMS

A. Prepare test reports with pertinent design data and number in sequence starting at pump to end of system.
Check the sum of branch-circuit flows against approved pump flow rate. Correct variations that exceed
plus or minus 5 percent.

B. Prepare schematic diagrams of systems' "as-built" piping layouts.

C. Prepare hydronic systems for testing and balancing according to the following, in addition to the general
preparation procedures specified above:

1. Open all manual valves for maximum flow.

2. Check expansion tank liquid level.
3. Check makeup-water-station pressure gage for adequate pressure for highest vent.
4. Check flow-control valves for specified sequence of operation and set at design flow.
5. Set differential-pressure control valves at the specified differential pressure. Do not set at fully
closed position when pump is positive-displacement type, unless several terminal valves are kept
open.
6. Set system controls so automatic valves are wide open to heat exchangers.
7. Check pump-motor load. If motor is overloaded, throttle main flow-balancing device so motor
nameplate rating is not exceeded.
8. Check air vents for a forceful liquid flow exiting from vents when manually operated.

3.10 HYDRONIC SYSTEMS' BALANCING PROCEDURES

A. Determine water flow at pumps. Use the following procedures, except for positive-displacement pumps:

1. Verify impeller size by operating the pump with the discharge valve closed. Verify with the pump
manufacturer that this will not damage pump. Read pressure differential across the pump.
Convert pressure to head and correct for differences in gage heights. Note the point on the
manufacturer's pump curve at zero flow and confirm that the pump has the intended impeller size.
2. Check system resistance. With all valves open, read pressure differential across the pump and
mark the pump manufacturer's head-capacity curve. Adjust pump discharge valve until design
water flow is achieved.
3. Verify pump-motor brake horsepower. Calculate the intended brake horsepower for the system
based on the pump manufacturer's performance data. Compare calculated brake horsepower with

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nameplate data on the pump motor. Report conditions where actual amperage exceeds motor
nameplate amperage.
4. Report flow rates that are not within plus or minus 5 percent of design.

B. Set calibrated balancing valves, if installed, at calculated presettings.

C. Measure flow at all stations and adjust, where necessary, to obtain first balance.

1. System components that have Cv rating or an accurately cataloged flow-pressure-drop relationship

may be used as a flow-indicating device.

D. Measure flow at main balancing station and set main balancing device to achieve flow that is 5 percent
greater than design flow.

E. Adjust balancing stations to within specified tolerances of design flow rate as follows:

1. Determine the balancing station with the highest percentage over design flow.
2. Adjust each station in turn, beginning with the station with the highest percentage over design
flow and proceeding to the station with the lowest percentage over design flow.
3. Record settings and mark balancing devices.

F. Measure pump flow rate and make final measurements of pump amperage, voltage, rpm, pump heads,
and systems' pressures and temperatures, including outdoor-air temperature.

G. Measure the differential-pressure control valve settings existing at the conclusions of balancing.

3.11 VARIABLE-FLOW HYDRONIC SYSTEMS' ADDITIONAL PROCEDURES

A. Balance systems with automatic 2- and 3-way control valves by setting systems at maximum flow
through heat-exchange terminals and proceed as specified above for hydronic systems.

3.12 PRIMARY-SECONDARY-FLOW HYDRONIC SYSTEMS' ADDITIONAL PROCEDURES

A. Balance the primary system crossover flow first, then balance the secondary system.

3.13 MOTORS

A. Motors, 1/2 HP and Larger: Test at final balanced conditions and record the following data:

1. Manufacturer, model, and serial numbers.

2. Motor horsepower rating.
3. Motor rpm.
4. Efficiency rating if high-efficiency motor.
5. Nameplate and measured voltage, each phase.
6. Nameplate and measured amperage, each phase.
7. Starter thermal-protection-element rating.

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B. Motors Driven by Variable-Frequency Controllers: Test for proper operation at speeds varying from
minimum to maximum. Test the manual bypass for the controller to prove proper operation. Record
observations, including controller manufacturer, model and serial numbers, and nameplate data.

3.14 HEAT-TRANSFER COILS

A. Water Coils: Measure the following data for each coil:

1. Entering- and leaving-water temperatures.

2. Water flow rate.
3. Water pressure drop.
4. Dry-bulb temperatures of entering and leaving air.
5. Wet-bulb temperatures of entering and leaving air for cooling coils designed for less than 3540 L/s
(7500 cfm).
6. Airflow.
7. Air pressure drop.

3.15 TEMPERATURE TESTING

A. During testing, adjusting, and balancing, report need for adjustment in temperature regulation within the
automatic temperature-control system.

B. Measure indoor wet- and dry-bulb temperatures every other hour for a period of 2 successive 8-hour days,
in each separately controlled zone, to prove correctness of final temperature settings. Measure when the
building or zone is occupied.

C. Measure outside-air, wet- and dry-bulb temperatures.

3.16 TEMPERATURE-CONTROL VERIFICATION

A. Verify that controllers are calibrated and commissioned.

B. Check transmitter and controller locations and note conditions that would adversely affect control
functions.

C. Record controller settings and note variances between set points and actual measurements.

D. Verify operation of limiting controllers (i.e., high- and low-temperature controllers).

E. Verify free travel and proper operation of control devices such as damper and valve operators.

F. Verify sequence of operation of control devices. Note air pressures and device positions and correlate
with airflow and water-flow measurements. Note the speed of response to input changes.

G. Confirm interaction of electrically operated switch transducers.

H. Confirm interaction of interlock and lockout systems.

I. Verify main control supply-air pressure and observe compressor and dryer operations.

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J. Record voltages of power supply and controller output. Determine if the system operates on a grounded
or nongrounded power supply.

K. Note operation of electric actuators using spring return for proper fail-safe operations.

3.17 ENERGY EFFICIENCY COMPLIANCE AND IAQ COMPLIANCE

A. Perform operating tests on each air and hydronic system in size or configuration to measure and
determine if the systems, as installed, meet the energy efficiency requirements of ASHRAE Standard 90.1
and ASHRAE Standard 62-99 and submit the report along with corrections.

B. Perform air system purge and baseline Indoor Air Quality (IAQ) testing for identifying the existence and
quantities of irritating or toxic gas and particulates in the building as delivered by the HVAC system.
These tests shall include measurements of the following contaminants:
1. Carbon Monoxide (CO).
2. Carbon Dioxide (C02).
3. Formaldehyde and other volatile organic compounds (VOC's).
4. Tobacco smoke.
5. Dust.
6. Nitrogen Dioxide (N02).
7. Ozone (03).
8. Moisture (H20).

C. The test shall include inspection of each system and their associated components to insure that the system
is properly installed, conforms to the construction documents and is in clean and new condition.

D. The report identified in Paragraph 1 .5.D shall include the methods and devices used for the analysis, the
quantities recorded, and a description of the quality of the building air tested in conformance with
paragraph B above and other related paragraphs in this specification section.

E. The report shall contain descriptions of HVAC system components which require servicing or
modification which will result in maintaining an acceptable indoor air quality as interpreted by the
AHSRAE Standard 62-1999: Ventilation for Acceptable Indoor Air Quality.

F. All sensing and metering devices within the BAS shall be used to read, collect and record the necessary
data, once the BAS has been certified to conform to the plans and specifications.

G. Utilize flow meters, sensors, BTU meters, energy meters, pump systems, refrigerant systems, heat
generation systems, fuel systems, electrical systems, and related systems or subsystems that will assist in
validating compliance with ASHRAE Standard 90.1 energy efficiency requirements.

H. All data produced by these devices and systems shall be delivered to the main control console for storage,
display, manipulation, and transmission to other systems or sites.

I. Furnish additional instrumentation that may be necessary to prove conformance with ASHRAE Standards
90.1 and 62. This shall include but not be limited to computers, flow measuring devices for air and water,
temperature and pressure sensors and transducers.

J. Data produced for the reports developed for compliance with the requirements of this specification
section shall be provided to the owner in the following formats:

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1. [Hardcopy on standard bond 81/2 x 11 sheets of paper.]

2. [DVD format.]
3. [(PDF) format.]
4. [Drawings can be 11x17 folded to 8-1/2 x 11 in two folds] if the number of drawings exceeds 20,
a separate book for drawings shall be furnished with unfolded drawings.]

3.18 REPORTING

A. Initial Construction-Phase Report: Based on examination of the Contract Documents as specified in

"Examination" Article above, prepare a report on the adequacy of design for systems' balancing devices.
Recommend changes and additions to systems' balancing devices to facilitate proper performance
measuring and balancing. Recommend changes and additions to HVAC systems and general
construction to allow access for performance measuring and balancing devices.

B. Status Reports: As Work progresses, prepare reports to describe completed procedures, procedures in
progress, and scheduled procedures. Include a list of deficiencies and problems found in systems being
tested and balanced. Prepare a separate report for each system and each building floor for systems
serving multiple floors.

3.19 FINAL REPORT

A. General: Typewritten, or computer printout in letter-quality font, on standard bond paper, in 3-ring
binder, tabulated and divided into sections by tested and balanced systems.

B. Include a certification sheet in front of binder signed and sealed by the certified testing and balancing
engineer.

1. Include a list of the instruments used for procedures, along with proof of calibration.

C. Final Report Contents: In addition to the certified field report data, include the following:

1. Pump curves.
2. Fan curves.
3. Manufacturers' test data.
4. Field test reports prepared by system and equipment installers.
5. Other information relative to equipment performance, but do not include approved Shop Drawings
and Product Data.

D. General Report Data: In addition to the form titles and entries, include the following data in the final
report, as applicable:

1. Title page.
2. Name and address of testing, adjusting, and balancing Agent.
3. Project name.
4. Project location.
5. Engineer's name and address.
6. Engineer's name and address.
7. Contractor's name and address.

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8. Report date.
9. Signature of testing, adjusting, and balancing Agent who certifies the report.
10. Summary of contents, including the following:

a. Design versus final performance.

b. Notable characteristics of systems.
c. Description of system operation sequence if it varies from the Contract Documents.

11. Nomenclature sheets for each item of equipment.

12. Data for terminal units, including manufacturer, type size, and fittings.
13. Notes to explain why certain final data in the body of reports vary from design values.
14. Test conditions for fans and pump performance forms, including the following:

a. Settings for outside-, return-, and exhaust-air dampers.

b. Conditions of filters.
c. Cooling coil, wet- and dry-bulb conditions.
d. Face and bypass damper settings at coils.
e. Fan drive settings, including settings and percentage of maximum pitch diameter.
f. Inlet vane settings for variable-air-volume systems.
g. Settings for supply-air, static-pressure controller.
h. Other system operating conditions that affect performance.

E. System Diagrams: Include schematic layouts of air and hydronic distribution systems. Present with
single-line diagrams and include the following:

1. Quantities of outside, supply, return, and exhaust airflows.

2. Water and steam flow rates.
3. Duct, outlet, and inlet sizes.
4. Pipe and valve sizes and locations.
5. Terminal units.
6. Balancing stations.

F. Air-Handling Unit Test Reports: For air-handling units with coils, include the following:

1. Unit Data: Include the following:

a. Unit identification.
b. Location.
c. Make and type.
d. Model number and unit size.
e. Manufacturer's serial number.
f. Unit arrangement and class.
g. Discharge arrangement.
h. Sheave make, size in mm (inches), and bore.
i. Sheave dimensions, center-to-center and amount of adjustments in mm (inches).
j. Number of belts, make, and size.
k. Number of filters, type, and size.

2. Motor Data: Include the following:

a. Make and frame type and size.

b. Horsepower and rpm.

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c. Volts, phase, and hertz.

d. Full-load amperage and service factor.
e. Sheave make, size in mm (inches), and bore.
f. Sheave dimensions, center-to-center and amount of adjustments in mm (inches).

3. Test Data: Include design and actual values for the following:

a. Total airflow rate in L/s (cfm).

b. Total system static pressure in Pa (inches wg).
c. Fan rpm.
d. Discharge static pressure in Pa (inches wg).
e. Filter static-pressure differential in Pa (inches wg).
f. Preheat coil static-pressure differential in Pa (inches wg).
g. Cooling coil static-pressure differential in Pa (inches wg).
h. Heating coil static-pressure differential in Pa (inches wg).
i. Outside airflow in L/s (cfm).
j. Return airflow in L/s (cfm).
k. Outside-air damper position.
l. Return-air damper position.
m. Vortex damper position.

G. Apparatus-Coil Test Reports: For apparatus coils, include the following:

1. Coil Data: Include the following:

a. System identification.
b. Location.
c. Coil type.
d. Number of rows.
e. Fin spacing in mm o.c. (fins per inch).
f. Make and model number.
g. Face area in sq. m (sq. ft.).
h. Tube size in DN (NPS).
i. Tube and fin materials.
j. Circuiting arrangement.

2. Test Data: Include design and actual values for the following:

a. Airflow rate in L/s (cfm).

b. Average face velocity in m/s (fpm).
c. Air pressure drop in Pa (inches wg).
d. Outside-air, wet- and dry-bulb temperatures in deg C (deg F).
e. Return-air, wet- and dry-bulb temperatures in deg C (deg F).
f. Entering-air, wet- and dry-bulb temperatures in deg C (deg F).
g. Leaving-air, wet- and dry-bulb temperatures in deg C (deg F).
h. Water flow rate in L/s (gpm).
i. Water pressure differential in kPa (feet of head or psig).
j. Entering-water temperature in deg C (deg F).
k. Leaving-water temperature in deg C (deg F).
l. Refrigerant expansion valve and refrigerant types.
m. Refrigerant suction pressure in kPa (psig).
n. Refrigerant suction temperature in deg C (deg F).

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o. Inlet steam pressure in kPa (psig).

H. Fan Test Reports: For supply, return, and exhaust fans, include the following:

1. Fan Data: Include the following:

a. System identification.
b. Location.
c. Make and type.
d. Model number and size.
e. Manufacturer's serial number.
f. Arrangement and class.
g. Sheave make, size in mm (inches), and bore.
h. Sheave dimensions, center-to-center and amount of adjustments in mm (inches).

2. Motor Data: Include the following:

a. Make and frame type and size.

b. Horsepower and rpm.
c. Volts, phase, and hertz.
d. Full-load amperage and service factor.
e. Sheave make, size in mm (inches), and bore.
f. Sheave dimensions, center-to-center and amount of adjustments in mm (inches).
g. Number of belts, make, and size.

3. Test Data: Include design and actual values for the following:

a. Total airflow rate in L/s (cfm).

b. Total system static pressure in Pa (inches wg).
c. Fan rpm.
d. Discharge static pressure in Pa (inches wg).
e. Suction static pressure in Pa (inches wg).

I. Round, Flat-Oval, and Rectangular Duct Traverse Reports: Include a diagram with a grid representing
the duct cross-section and record the following:

1. Report Data: Include the following:

a. System and air-handling unit number.

b. Location and zone.
c. Traverse air temperature in deg C (deg F).
d. Duct static pressure in Pa (inches wg).
e. Duct size in mm (inches).
f. Duct area in sq. m (sq. ft.).
g. Design airflow rate in L/s (cfm).
h. Design velocity in m/s (fpm).
i. Actual airflow rate in L/s (cfm).
j. Actual average velocity in m/s (fpm).
k. Barometric pressure in Pa (psig).

J. Air-Terminal-Device Reports: For terminal units, include the following:

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1. Unit Data: Include the following:

a. System and air-handling unit identification.

b. Location and zone.
c. Test apparatus used.
d. Area served.
e. Air-terminal-device make.
f. Air-terminal-device number from system diagram.
g. Air-terminal-device type and model number.
h. Air-terminal-device size.
i. Air-terminal-device effective area in sq. m (sq. ft.).

2. Test Data: Include design and actual values for the following:

a. Airflow rate in L/s (cfm).

b. Air velocity in m/s (fpm).
c. Preliminary airflow rate as needed in L/s (cfm).
d. Preliminary velocity as needed in m/s (fpm).
e. Final airflow rate in L/s (cfm).
f. Final velocity in m/s (fpm).
g. Space temperature in deg C (deg F).

K. System-Coil Reports: For reheat coils and water coils of terminal units, include the following:

1. Unit Data: Include the following:

a. System and air-handling unit identification.

b. Location and zone.
c. Room or riser served.
d. Coil make and size.
e. Flowmeter type.

2. Test Data: Include design and actual values for the following:

a. Airflow rate in L/s (cfm).

b. Entering-water temperature in deg C (deg F).
c. Leaving-water temperature in deg C (deg F).
d. Water pressure drop in kPa (feet of head or psig).
e. Entering-air temperature in deg C (deg F).
f. Leaving-air temperature in deg C (deg F).

L. Instrument Calibration Reports: For instrument calibration, include the following:

1. Report Data: Include the following:

a. Instrument type and make.

b. Serial number.
c. Application.
d. Dates of use.
e. Dates of calibration.

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3.20 ADDITIONAL TESTS

A. Within 90 days of completing testing, adjusting, and balancing, perform additional testing and balancing
to verify that balanced conditions are being maintained throughout and to correct unusual conditions.

B. Seasonal Periods: If initial testing, adjusting, and balancing procedures were not performed during near-
peak summer and winter conditions, perform additional inspections, testing, and adjusting during near-
peak summer and winter conditions.

END OF SECTION 15990

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SECTION 16050 - BASIC ELECTRICAL MATERIALS AND METHODS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. General provisions applicable to Division 16 work and other Sections of the Specification that
refer to this Section.
2. Supporting devices for electrical components.
3. Electrical identification.
4. Covers, brackets and supports.
5. Electricity-metering components.
6. Concrete equipment bases.
7. Electrical demolition.
8. Cutting and patching for electrical construction.
9. Touchup painting.

B. Electrical Work, unless otherwise specified, includes the supply, installation, testing and commissioning
of the complete electrical systems, equipment and materials shown on the Drawings and/or described in
the Specification together with all associated ancillary work, support work and builder's work in
connection.

1.3 REGULATIONS AND STANDARDS

A. Regulations: Carry out electrical work in accordance with the current issue of the local codes of practice,
local power authority regulations and [Requirements for Electrical Installations – IEE Wiring
Regulations (BS 7671) as published by the Institution of Electrical Engineers][National Electrical
Code (NEC / NFPA 70) as published by the National Fire Protection Association][Insert Other
Code and Publisher] where not in contradiction with the local codes of practice and regulations, herein
referred to collectively as 'the Regulations'.

B. Conflict: Should an instance occur in this Specification or on the Drawings in which material or
construction methods called for is less than minimum requirement of the Regulations, immediately
inform the Engineer in writing. Consequent to Engineer's approval, supply the materials and perform the
work as though called for to minimum code standards.

C. Standards: Unless otherwise specified, equipment and materials are to be manufactured and installed in
compliance with the relevant recommendations of the following or other equal and approved standards:

1. IEC: The International Electro-technical Commission

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2. ISO: The International Standardization Organization

3. CCITT: The International Telephone and Telegraph Consultative Committee
4. CCIR: The International Radio Consultative Committee
5. CISPR: The International Special Committee on Radio Interference

D. Local standards, where enforced and relevant, are to have precedence over the Standards.

1.4 POWER SUPPLY

A. The Local Power Authority will provide incoming power supply and connection at [Voltage] to the
location shown on the Drawings.

B. Power Supply: Liaise with the Local Power Authority to confirm:

1. Characteristics of supply and system earthing.

2. Location of incoming supply shown on the Drawings.
3. Space requirements and associated builder's work for the Authority's installations.
4. Make necessary arrangements at the earliest opportunity to ensure connection as and when
required, and inform the Engineer in the event of any foreseen delay.

C. kWH-metering: Liaise with the Local Power Authority and provide necessary instrumentation, enclosures
and accessories required by them to effect a complete kWH-metering installation.

D. kWH-metering will be at [medium][low] voltage as shown on the Drawings.

E. Nominal characteristics of power supply and distribution are as follows:

1. Medium voltage: [Voltage] kV, [Phases] phase, 3 wire [Neutral Type] neutral earthing.
2. Low voltage: [Voltage] V, [Phases] phase, [No. Of Wires] wire, solidly earthed neutral.
3. Frequency: [50][60] Hz.

F. Distribution systems are to be supplied or derived from the voltage system previously described, as
shown on the Drawings, or as otherwise specified.

1.5 TELEPHONE PUBLIC EXCHANGE LINES

A. The Local Telephone Authority will bring telephone public exchange lines into the premises to the
location shown on the Drawings and/or to be agreed with the Authority. Liaise with the Local Telephone
Authority to confirm location of connection of public telephone exchange lines into the premises.

1.6 EQUIPMENT

A. Equipment Spaces and Rooms: Verify that dimensions, structure, ventilating and cooling arrangements
and other provisions in equipment spaces and rooms are suitable for installation, operation and
maintenance of proposed equipment. Note any discrepancies on the shop and construction drawings.

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B. Equipment is to be designed for the system voltage and frequency previously described, unless otherwise
specified. Special provisions are to be made for equipment sensitive to power supply frequency and
voltage variations and for equipment operated at other voltages/frequencies or by direct current sources.

1.7 CLIMATIC CONDITIONS

A. Equipment, including transformers, switchgear, cables, relays, lighting fixtures, motors etc., is to be
designed and derated for continuous and trouble free service under the following climatic conditions:

1. Altitude: [Altitude] m above sea level.

2. Maximum ambient temperature: [max-temp] degrees C (in the shade).
3. Minimum ambient temperature: [min-temp] degrees C.
4. Maximum relative humidity: [humidity] %.
5. Atmospheric conditions: [atmos-cond].

B. Where design and operating conditions, different from the above are required for particular equipment,
they are described in the specification of the equipment concerned.

1.8 DRAWINGS

A. Equipment locations shown on the Drawings indicate approximate locations and general layout of
equipment. Exact and final locations and layouts together with dimensions, weights, mounting methods
and accessories, where relevant, are to be shown on Contractor's shop and construction drawings.

B. Symbols: In order to provide sufficient detail and a minimum degree of clarity on the Drawings, the
symbols used for various electrical devices, particularly wall mounted devices, take up more space on the
Drawings than the device does on the wall. Because of drafting limitations these locations must be
considered as being indicative rather than exact physical locations of the devices. The devices shall be
installed with prime regard for convenience of operation and the proper usage of the wall space rather
than to coincide with the scaled locations of the symbols. In locating the outlets, follow the criteria
provided on detail Drawings where provided, and coordinate with furniture. Do not scale from design
Drawings.

C. Wiring layouts shown on the Drawings are to be used as a guide only to defining basic positions,
circuiting, loading and switching arrangements. Actual layouts and details of routing of circuits are to be
shown on the Contractor's shop and construction drawings.

D. Wiring layouts shown on the Drawings for work not included in the Electrical Work, such as motor
control centres/panels, cables to motors and other similar electrically operated equipment are shown for
convenience and reference only.

1.9 SUBMITTALS

A. Generally: Submit for approval, manufacturers' technical literature, shop and construction drawings and
other information required by the Specification, before ordering equipment or materials and before
executing any related work on site.

B. Product Data: For electricity-metering equipment, covers and supports.

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C. Shop and Construction Drawings:

1. Dimensioned plans and sections or elevation layouts of electricity-metering equipment.

2. Shop and construction drawings must demonstrate that the design requirements are understood by
indicating all equipment and material proposed to be supplied and installed and by detailing
fabrication and installation methods proposed to be used. Shop and construction drawings are to
clearly state the name and location of the work, the names of Engineer and Contractor, submission
date, cross-references to the Drawings and Specification and the specific reference number,
location, service and function of each item.
3. Shop and construction drawings are to be submitted at a scale of 1:50 for general layout plans, and
1:10, or 1:20 as approved by the Engineer for sections, details, elevations, congested layouts, etc.
Drawings shall include but not be limited to the following:

a. Details of electrical installations in conjunction with all trades concerned, showing sleeves
and openings for passage through floor structure.
b. Composite construction drawings fully dimensioned, in metric, showing locations of
cables, conduits, bus ducts, shafts, mechanical and electrical equipment rooms, ceiling
spaces and all other critical locations
c. Plans showing equipment layouts including all details pertaining to clearances, access,
sleeves, electrical connections, location and elevation of pipes, ducts, conduits, etc.
d. Plans, sections and elevations of electrical spaces to illustrate compliance with Standards
for allocation of spaces for maintenance, movement, installation, etc.

D. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.

E. Coordination Study: Carry out a short circuit and protection coordination study, for the electrical
distribution network, and submitted to Engineer for approval.

F. Technical Literature: Include detailed manufacturers' specifications and original catalogues or catalogue
cuts, characteristics, model number, application and operating criteria of all equipment and materials,
together with other information necessary to satisfy Engineer that proposed equipment and systems are
suitable and adequate.

G. List of Proposed Manufacturers: Of all equipment and materials, including all items for which choice of
manufacturer is at own discretion, is to be submitted for approval.

H. Assembled Equipment: Any assembled equipment to be supplied for the project is to be assembled by the
manufacturer or his authorized assembler. Submit the necessary documents to substantiate the above
including the assembler staff training, quality control, etc. The Engineer reserves the right to reject any
local assembler if the information submitted is not sufficient. The Engineer's rejection in that respect is
final and not subject to discussion.

I. Test Certificates and Reports: Submit manufacturer's type and routine test certificates and reports for
equipment and devices. Complete test results are to be submitted in clearly identified and organised
booklets, indicating item of equipment, make, model, type, date of tests, type of tests, descriptions and
procedures. Include in the test reports the Quality Assurance Certification, the standards to which the
equipment comply, and the standards to which the equipment was tested.

J. Factory Testing: Locally manufactured/assembled equipment is to comply with the relevant standards
recommendations and are to be witnessed by Engineer. If the manufacturer's test certificates/tests are not
complying with the standards, then independent laboratory tests are to be carried out on equipment in

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accordance with the Specification and the Standards, and as required by Engineer. The Engineer's
requirements in that respect are final and not subject to discussion.

K. Spare Parts Schedules: Submit with the Tender itemised schedules of spare parts to be provided, as
required by the Specification, and state against each item the manufacturer's unit price including
packaging and delivery to site.

L. Tools And Instruments Schedules: Submit with the Tender itemised schedules of tools and instruments to
be provided, as required by the Specification, and state against each item the manufacturer's unit price
including packaging and delivery to site.

M. Labeling Schedule: Submit for approval, prior to installation, a schedule of all equipment and devices to
be labeled and the suggested details, lettering, position and fixing methods of each label indicating its
application.

N. Samples: Submit samples of all equipment and materials for approval. Major items of equipment for
which samples cannot be submitted are to be demonstrated in existing installations or by manufacturer's
information, test certificates and reports.

1.10 QUALITY ASSURANCE

A. Comply with related Standards, specified therein.

B. Installations are to be carried out by qualified personnel.

1.11 COORDINATION

A. Coordinate chases, slots, inserts, sleeves, and openings with general construction work and arrange in
building structure during progress of construction to facilitate the electrical installations that follow.

1. Set inserts and sleeves in poured-in-place concrete, masonry work, and other structural
components as they are constructed.

B. Sequence, coordinate, and integrate installing electrical materials and equipment for efficient flow of the
Work. Coordinate installing large equipment requiring positioning before closing in the building.

C. Coordinate electrical service connections to components furnished by utility companies.

1. Coordinate installation and connection of exterior underground and overhead utilities and services,
including provision for electricity-metering components.
2. Comply with requirements of authorities having jurisdiction and of utility company providing
electrical power and other services.

D. Coordinate location of access panels and doors for electrical items that are concealed by finished
surfaces. Access doors and panels are specified in Division 8 Section "Access Doors."

E. Where electrical identification devices are applied to field-finished surfaces, coordinate installation of
identification devices with completion of finished surface.

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F. Where acoustical ceilings and similar finishes will conceal electrical identification markings and devices,
coordinate installation of these items before ceiling installation.

1.12 EQUIPMENT AND MATERIALS

A. Availability: Confirm availability of equipment and materials proposed for use in the work prior to
submission for approval. If, after approval, equipment or materials cease to be available, submit
alternative items of equal quality and type for approval.

B. Acceptance by Authority: Confirm that proposed equipment and material characteristics where required
are compatible with the requirements of the Local Power Authority or other Authorities having
jurisdiction and are acceptable to them. Inform Engineer of any modifications necessary to comply with
the Local Power Authority's requirements.

C. Manufacturers' Standards: Equipment is to be the latest standard product of the manufacturer.

Component parts are to be the product of a single manufacturer, unless otherwise approved and provided
that components made by other manufacturers are of a standard design and are interchangeable.

D. Approved Manufacturers: Listing of approved manufacturers in the Specification does not necessarily
constitute approval of their standard products as equal to those specified. Ascertain that listed
manufacturers are able to supply equipment and material in conformity with the Specification.

E. Factory Assembly: Equipment generally is to be supplied in complete factory assembled units ready for
installation on site. Dis-assembly necessary for transportation or other purposes is to be arranged to limit
site work to simple re- assembly and inter-wiring of control and power cabling.

F. Storage of Materials: Equipment and materials are to be stored in an approved location, under cover, free
from humidity, dust, debris and rodents. Equipment sensitive to heat and humidity is to be kept in
climatically conditioned areas until installed and handed over.

G. Defective Equipment: The Employer reserves the right to operate operable defective equipment during
the Defects Liability Period until it can be removed from service for repair or replacement.

H. Warranty: Where required by the Specification, provide a warranty, signed by the manufacturer
(including his agreement to replace promptly, defective equipment or parts thereof, as instructed by the
Engineer) covering materials and workmanship for the period stated in the Specification, starting at
substantial completion. Assign the benefits of such warranty to the Employer.

I. Spare Parts: Not later than the date of substantial completion, provide spare parts required by the
Specification, together with suitable means of identifying, storing and securing same.

J. Tools and Instruments: Not later than the date of substantial completion, provide sets of tools and
instruments required by the Specification, together with suitable means of identifying, storing and
securing same.

K. Label and identify all equipment, instruments, control and electrical devices etc. to indicate duty, service
or function, to the satisfaction of Engineer. Labels are to have [language]. Alternative methods of
labelling may be submitted for approval. Fix labels with non-corrodible screws to equipment, or to
adjacent permanent surfaces or as approved by Engineer.

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L. Systems used before substantial completion are to have all consumable elements, such as lamps etc. and
defective equipment replaced by new, within 7 days prior to the date of substantial completion.

PART 2 - PRODUCTS

2.1 SUPPORTING DEVICES

A. Material: Cold-formed steel, with corrosion-resistant coating.

B. Metal Items for Use Outdoors or in Damp Locations: Hot-dip galvanized steel.

C. Slotted-Steel Channel Supports: Flange edges turned toward web, and 14-mm diameter slotted holes at a
maximum of 50-mm centers in webs.

1. Channel Thickness: Selected to suit structural loading.

2. Fittings and Accessories: Products of the same manufacturer as channel supports.

D. Nonmetallic Channel and Angle Systems: Structural-grade, factory-formed, glass-fiber-resin channels

and angles with 14-mm diameter holes at a maximum of 200-mm centers in at least one surface.

1. Fittings and Accessories: Products of the same manufacturer as channels and angles.
2. Fittings and Accessory Materials: Same as channels and angles, except metal items may be
stainless steel.

E. Raceway and Cable Supports: Manufactured clevis hangers, riser clamps, straps, threaded C-clamps with
retainers, ceiling trapeze hangers, wall brackets, and spring-steel clamps or click-type hangers.

F. Pipe Sleeves: Schedule 40, galvanized steel, plain ends.

G. Cable Supports for Vertical Conduit: Factory-fabricated assembly consisting of threaded body and
insulating wedging plug for non-armored electrical cables in riser conduits. Plugs have number and size
of conductor gripping holes as required to suit individual risers. Body constructed of malleable-iron
casting with hot-dip galvanized finish.

H. Expansion Anchors: Carbon-steel wedge or sleeve type.

I. Toggle Bolts: All-steel springhead type.

2.2 ELECTRICAL IDENTIFICATION

A. Identification Devices: A single type of identification product for each application category. Use colors
prescribed by these Specifications.

B. Raceway and Cable Labels: Minimum size of letters for legend and minimum length of color field for
each raceway and cable size to meet Standards.

1. Type: Pre-tensioned, wraparound plastic sleeves. Flexible, preprinted, color-coded, acrylic band
sized to suit the diameter of the item it identifies.

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2. Type: Pre-printed, flexible, self-adhesive, vinyl. Legend is over-laminated with a clear, weather-
and chemical-resistant coating.
3. Color: Black letters on orange background.
4. Legend: Indicates voltage.

C. Colored Adhesive Marking Tape for Raceways, Wires, and Cables: Self-adhesive vinyl tape, not less than
25 mm wide by 0.08 mm thick.

D. Underground Warning Tape: Permanent, bright-colored, continuous-printed, vinyl tape with the
following features:

1. Not less than 150 mm wide by 0.102 mm thick.

2. Compounded for permanent direct-burial service.
3. Embedded continuous metallic strip or core.
4. Printed legend that indicates type of underground line.

E. Tape Markers for Wire: Vinyl or vinyl-cloth, self-adhesive, wraparound type with preprinted numbers
and letters.

F. Equipment Nameplates: Non-corroding, robust metal, inscribed in [language], and firmly fixed to
equipment at factory. Nameplates are to indicate name and address of manufacturer, model, serial
number, basic characteristics and ratings of equipment and are to include elementary diagrams etc., all in
accordance with the Standards.

G. Color-Coding Cable Ties: Nylon, self-locking type. Colors to suit coding scheme.

H. Engraved-Plastic Labels, Signs, and Instruction Plates: Engraving stock, melamine plastic laminate
punched or drilled for mechanical fasteners 1.6-mm minimum thickness for signs up to 129 sq. cm and
3.2-mm minimum thickness for larger sizes. Engraved legend in black letters on white background.

I. Interior Warning and Caution Signs: Preprinted, aluminum, baked-enamel-finish signs, punched or drilled
for mechanical fasteners, with colors, legend, and size appropriate to the application.

J. Exterior Warning and Caution Signs: Weather-resistant, non-fading, preprinted, cellulose-acetate butyrate
signs with 1-mm, galvanized-steel backing, with colors, legend, and size appropriate to the application.
6-mm grommets in corners for mounting.

K. Fasteners for Nameplates and Signs: Self-tapping, stainless steel screws or No. 10/32 stainless-steel
machine screws with nuts and flat and lock washers.

2.3 COVERS FOR TRENCHES

A. Covers in electrical rooms and the like, unless otherwise specified or shown on the Drawings, are to be
flanged checkered steel plates with angle or channel- section frames, suitably reinforced to support
anticipated loads, and finished with zinc chromate primer and two coats gray enamel.

2.4 BRACKETS, SUPPORTS, RAILS AND TRACKS

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A. Brackets, supports, rails and tracks for supporting electrical installations are to be galvanized steel, fixed
with expansion bolts of approved size and material. Plastic inserts and lead anchors are not acceptable
unless approved for specific light duty installations.

2.5 CONCRETE BASES

A. Concrete Forms and Reinforcement Materials: As specified in Division 3 Section "Cast-in-Place

Concrete."

B. Equipment Foundations and Bases: Reinforced concrete, as approved by Engineer after submission of
design calculations. Dimensions, levels and surface finishes are to be suitable for equipment installed, as
shown on the Drawings or in accordance with approved shop and construction drawings.

2.6 EQUIPMENT FOR ELECTRICITY METERING BY EMPLOYER

A. Meter: Electronic kilowatt-hour measuring to record electricity used.

B. Meter: Electronic kilowatt-hour/demand measuring to record electricity used and highest peak demand
over a time period according to electric utility. Meter is designed for use on the type and rating of circuit
indicated for its application.

1. Kilowatt-Hour Display: Digital liquid crystal.

2. Kilowatt-Demand Display: Digital, liquid crystal type to register highest peak demand.
3. Enclosure to have hasp for padlocking or sealing.
4. Memory Backup: Self-contained to maintain memory throughout power outages of 72 hours,
minimum.
5. Sensors: Current-sensing type, with current or voltage output, selected for optimum range and
accuracy for the ratings of the circuits indicated for this application.

a. Type: [Split][Solid] core.

C. Current-Transformer Cabinets: Recommended by metering equipment manufacturer for use with sensors
indicated.

2.7 TOUCHUP PAINT

A. For Equipment: Equipment manufacturer's paint selected to match installed equipment finish.

B. Galvanized Surfaces: Zinc-rich paint recommended by item manufacturer.

PART 3 - EXECUTION

3.1 ELECTRICAL EQUIPMENT INSTALLATION

A. Installations Generally:

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1. Carry out Electrical Work in accordance with the Drawings, Specification and Regulations,
ensuring compliance with design and performance requirements, to provide safe and protected
systems with equipment readily accessible for operation, maintenance and repair.
2. Installations are to be complete, ready for operation and fully integrated and coordinated with all
other work.
3. Provide accessories necessary to complete the installations, of the types specified or recommended
for the purpose by the manufacturer of the equipment or accessories.

B. Headroom Maintenance: If mounting heights or other location criteria are not indicated, arrange and
install components and equipment to provide the maximum possible headroom.

C. Materials and Components: Install level, plumb, and parallel and perpendicular to other building systems
and components, unless otherwise indicated.

D. Equipment: Install to facilitate service, maintenance, and repair or replacement of components. Connect
for ease of disconnecting, with minimum interference with other installations.

E. Right of Way: Give to raceways and piping systems installed at a required slope.

3.2 ELECTRICAL SUPPORTING DEVICE APPLICATION

A. Damp Locations and Outdoors: Hot-dip galvanized materials or nonmetallic, U-channel system
components.

B. Dry Locations: Steel materials.

C. Support Clamps for PVC Raceways: Click-type clamp system.

D. Selection of Supports: Comply with manufacturer's written instructions.

E. Strength of Supports: Adequate to carry present and future loads, times a safety factor of at least four;
minimum of 90-kg design load.

3.3 SUPPORT INSTALLATION

A. Install support devices to securely and permanently fasten and support electrical components.

B. Install individual and multiple raceway hangers and riser clamps to support raceways. Provide U-bolts,
clamps, attachments and other hardware necessary for hanger assemblies and for securing hanger rods
and conduits.

C. Support parallel runs of horizontal raceways together on trapeze- or bracket-type hangers.

D. Size supports for multiple raceway installations so capacity can be increased by a 25 percent minimum in
the future.

E. Support individual horizontal raceways with separate, malleable-iron pipe hangers or clamps.

F. Install 6-mm- diameter or larger threaded steel hanger rods, unless otherwise indicated.

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G. Arrange supports in vertical runs so the weight of raceways and enclosed conductors is carried entirely by
raceway supports, with no weight load on raceway terminals.

H. Simultaneously install vertical conductor supports with conductors.

I. Separately support cast boxes that are threaded to raceways and used for fixture support. Support sheet-
metal boxes directly from the building structure or by bar hangers. If bar hangers are used, attach bar to
raceways on opposite sides of the box and support the raceway with an approved fastener not more than
600 mm from the box.

J. Install metal channel racks for mounting cabinets, panelboards, disconnect switches, control enclosures,
pull and junction boxes, transformers, and other devices unless components are mounted directly to
structural elements of adequate strength.

K. Install sleeves for cable and raceway penetrations of concrete slabs and walls unless core-drilled holes are
used. Install sleeves for cable and raceway penetrations of masonry and fire-rated gypsum walls and of
all other fire-rated floor and wall assemblies. Install sleeves during erection of concrete and masonry
walls.

L. Securely fasten electrical items and their supports to the building structure, unless otherwise indicated.
Perform fastening according to the following unless other fastening methods are indicated:

1. Wood: Fasten with wood screws or screw-type nails.

2. Masonry: Toggle bolts on hollow masonry units and expansion bolts on solid masonry units.
3. New Concrete: Concrete inserts with machine screws and bolts.
4. Existing Concrete: Expansion bolts.
5. Instead of expansion bolts, threaded studs driven by a powder charge and provided with lock
washers may be used in existing concrete.
6. Steel: Welded threaded studs or spring-tension clamps on steel.
7. Welding to steel structure may be used only for threaded studs, not for conduits, pipe straps, or
other items.
8. Light Steel: Sheet-metal screws.
9. Fasteners: Select so the load applied to each fastener does not exceed 25 percent of its proof-test
load.

3.4 IDENTIFICATION MATERIALS AND DEVICES

A. Install at locations for most convenient viewing without interference with operation and maintenance of
equipment.

B. Coordinate names, abbreviations, colors, and other designations used for electrical identification with
corresponding designations indicated in the Contract Documents or required by codes and standards. Use
consistent designations throughout Project.

C. Self-Adhesive Identification Products: Clean surfaces before applying.

D. Identify raceways and cables with color banding as follows:

1. Bands: Pre-tensioned, snap-around, colored plastic sleeves or colored adhesive marking tape.
Make each color band 50-mm wide, completely encircling conduit, and place adjacent bands of
two-color markings in contact, side by side.

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2. Band Locations: At changes in direction, at penetrations of walls and floors, at 15-m maximum
intervals in straight runs, and at 8-m maximum intervals in congested areas.
3. Colors: As follows:

a. Fire Alarm System: Red.

b. Security System: Blue and yellow.
c. Telecommunication System: Green and yellow.

E. Tag and label circuits designated to be extended in the future. Identify source and circuit numbers in each
cabinet, pull and junction box, and outlet box. Color-coding may be used for voltage and phase
identification.

F. Install continuous underground plastic markers during trench backfilling, for exterior underground power,
control, signal, and communication lines located directly above power and communication lines. Locate
150 to 200 mm below finished grade. If width of multiple lines installed in a common trench or concrete
envelope does not exceed 400 mm, overall, use a single line marker.

G. Install warning, caution, and instruction signs where needed to ensure safe operation and maintenance of
electrical systems and of items to which they connect. Install engraved plastic-laminated instruction signs
with approved legend where instructions are needed for system or equipment operation. Install metal-
backed butyrate signs for outdoor items.

H. Install engraved-laminated emergency-operating signs with white letters on red background with
minimum 9-mm- high lettering for emergency instructions on power transfer, load shedding, and other
emergency operations.

3.5 FIRE STOPPING

A. Apply fire stopping to cable and raceway penetrations of fire-rated floor and wall assemblies to achieve
fire-resistance rating of the assembly. Fire stopping materials and installation requirements are specified
in Division 7 Section "Through-Penetration Firestop System."

3.6 CONCRETE BASES

A. Construct concrete bases of dimensions indicated or otherwise required, but not less than 100 mm larger,
in both directions, than supported unit. Follow supported equipment manufacturer's anchorage
recommendations and setting templates for anchor-bolt and tie locations, unless otherwise indicated. Use
21-MPa, 28-day compressive-strength concrete and reinforcement as specified in Division 3 Section
"Cast-in-Place Concrete."

3.7 SUPPORT FRAMES FOR SWITCHGEAR

A. Support frames for switchgear located over cable trenches, where shown on the Drawings or required by
equipment design, are to be installed prior to pouring concrete.

3.8 HOLES AND ANCHORS

A. Drilling for anchor bolts is to be carried out using appropriate electric drills and in approved positions.

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B. Holes and chases in in situ concrete are to be cast in. Do not cut hardened concrete or drill holes larger
than 10-mm diameter without prior approval.

C. Holes and Chases in Pre-cast Concrete: do not cut or drill pre-cast concrete without prior approval.

D. Holes in Structural Steelwork: Do not cut or drill structural steelwork without prior approval.

E. Holes and chases in masonry must not exceed:

1. Size of holes: 300-mm square.

2. Depth of vertical chases: 1/3 wall thickness or, in cavity walls, 1/3 leaf thickness.
3. Depth of horizontal chases: 1/6 wall or leaf thickness.

F. Cutting Masonry:

1. Ensure mortar is fully set before commencing.

2. Cut carefully and neatly, avoiding spalling, cracking or other damage to surrounding structure.
3. Keep holes to smallest practicable size and do not exceed specified dimensions.
4. Cut chases in straight lines and horizontally and vertically only; do not set back to back; offset by
a distance not less than wall thickness.

G. Preformed Holes in Masonry: Submit proposals for bridging over holes for ducts etc. which exceed 450-
mm width.

3.9 DEMOLITION

A. Protect existing electrical equipment and installations indicated to remain. If damaged or disturbed in the
course of the Work, remove damaged portions and install new products of equal capacity, quality, and
functionality.

B. Accessible Work: Remove exposed electrical equipment and installations, indicated to be demolished, in
their entirety.

C. Abandoned Work: Cut and remove buried raceway and wiring, indicated to be abandoned in place, 50
mm below the surface of adjacent construction. Cap raceways and patch surface to match existing finish.

D. Remove demolished material from Project site.

E. Remove, store, clean, reinstall, reconnect, and make operational components indicated for relocation.

3.10 RENOVATION

A. Dismantled equipment and materials are to be properly stored to the benefit of the Employer, in the
Employer's designated stores. In case the Employer is willing to use these items of equipment and
materials in the new layout, test each component in the presence of the Engineer, to identify which items
of equipment and materials can be re-installed.

B. Work and Renovation Rules: The site is an existing [type] and the following rules shall be adhered to:

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1. All work shall be complementary to the base building design and installations. Where an exact
method of installation has not been indicated, follow the methods used on the base building.
Generally, the standard of work shall be equal or better than that of the base building. Additions
and/or changes to existing systems shall be made using equipment identical to that already used in
the base building, unless specifically indicated otherwise.
2. Visit the site to thoroughly examine and familiarize with the existing systems and installations and
every other condition which may affect the work. No claims for variations will be allowed for
work or materials necessary for proper execution and completion of the Works or for the Tender's
failure, error or negligence in this regard.
3. All places are considered critical. Coordinate all work to produce the minimum disturbance
possible and respond promptly to all requests by the Engineer or the Employer, or the Employer's
designated representatives, to curtail, suspend or reschedule noisy and dirty activities from time to
time. No extension of time will be granted for activities that are suspended intermittently for short
durations or for activities that are re-scheduled to more suitable time-slots, whether during or
outside normal working hours.
4. Areas outside the site and the buildings can only serve as passage to transport material to and from
the site. They shall not serve for any reason as a storage place for supplied material or carted
debris. All supplied materials shall be transported directly from the truck to the site and all debris
shall be put in bags and transported directly from the site to the truck. Do not allow the pile-up of
these materials and debris at the above mentioned areas.
5. Work associated with existing installation shall be carried out as follows:

a. All modifications and additions to the existing electrical distribution system as well as
communication, security and miscellaneous systems shall be carried out in such a way that
the interruptions to normal operations are kept to an absolute minimum. All such work
shall be scheduled to the satisfaction of the Engineer and the Employer, whose
consideration will be of the foremost importance.
b. Where existing electrical equipment is to be re-used, (refer to paragraph 3.10A above), the
electrical subcontractor shall be responsible for disconnecting this equipment, removing
and reinstalling in the new locations and reconnecting as detailed on drawings.
c. All existing electrical installations, in areas to be renovated, will be removed if these have
been replaced by new installations or where these have not been specifically indicated for
re-use.
d. Render safe the installations at locations from which existing equipment has been removed,
by withdrawing the existing wiring and removing conduits unless these conduits can be re-
used for new installations. Where conduits are cast in concrete or are inaccessible, they
will be sealed and left in place.
e. All existing materials that are removed, which are not scheduled for re-use shall be placed
in the Employer's stores as directed. Should the Employer not wish to store the materials,
remove them from the site.
f. Restore any circuits that may be disrupted by the removal of existing equipment, or as a
result of renovations.
g. Not all existing equipment and devices may be shown on the drawings. The Tenderer shall
obtain clarification from the Consultant on unidentified equipment prior to submittal of the
Tender. Restore power to all equipment or devices in the area of renovation, prior to
Substantial Completion.
h. Update directories in all panelboards where circuits have been modified or new circuits
added.
i. All existing fire alarm, power and communication cables supplying areas outside of area
being renovated, but passing through the renovated area, must be maintained functional
throughout entire construction period. No interruptions will be allowed. Coordinate with
the Employer or the Employer's designated representative and identify services that must
be maintained.

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j. Any damage to any fixed or movable item caused during the execution of the Work shall
be repaired at own cost.
k. All electrical works shall be carried out in coordination with the Employer or the
Employer's designated representative.

3.11 CUTTING AND PATCHING

A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces required to permit
electrical installations. Perform cutting by skilled mechanics of trades involved.

B. Repair and refinish disturbed finish materials and other surfaces to match adjacent undisturbed surfaces.
Install new fireproofing where existing fire stopping has been disturbed. Repair and refinish materials
and other surfaces by skilled mechanics of trades involved.

3.12 FIELD QUALITY CONTROL

A. Inspect installed components for damage and faulty work, including the following:

1. Supporting devices for electrical components.

2. Electrical identification.
3. Electricity-metering components.
4. Concrete bases.
5. Electrical demolition.
6. Cutting and patching for electrical construction.
7. Touchup painting.

B. Test Employer's electricity-metering installation for proper operation, accuracy, and usability of output
data.

1. Connect a load of known kW rating, 1.5 kW minimum, to a circuit supplied by the metered feeder.
2. Turn off circuits supplied by the metered feeder and secure them in the "off" condition.
3. Run the test load continuously for eight hours, minimum, or longer to obtain a measurable meter
indication. Use a test load placement and setting that ensure continuous, safe operation.
4. Check and record meter reading at end of test period and compare with actual electricity used
based on test load rating, duration of test, and sample measurements of supply voltage at the test
load connection. Record test results.
5. Repair or replace malfunctioning metering equipment or correct test setup; then retest. Repeat for
each meter in installation until proper operation of entire system is verified.

3.13 REFINISHING AND TOUCHUP PAINTING

A. Refinish and touch up paint. Paint materials and application requirements are specified in Division 9
Section "Painting."

1. Clean damaged and disturbed areas and apply primer, intermediate, and finish coats to suit the
degree of damage at each location.
2. Follow paint manufacturer's written instructions for surface preparation and for timing and
application of successive coats.
3. Repair damage to galvanized finishes with zinc-rich paint recommended by manufacturer.

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4. Repair damage to PVC or paint finishes with matching touchup coating recommended by
manufacturer.

3.14 CLEANING AND PROTECTION

A. On completion of installation, including outlets, fittings, and devices, inspect exposed finish. Remove
burrs, dirt, paint spots, and construction debris.

B. Protect equipment and installations and maintain conditions to ensure that coatings, finishes, and cabinets
are without damage or deterioration at time of Substantial Completion.

END OF SECTION 16050

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SECTION 16120 - CONDUCTORS AND CABLES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes low voltage (LV) feeder cables, branch circuit wiring, control and signal cables,
termination, jointing and splicing.

B. Related Sections include the following:

1. Division 7 Section “Fire stopping for fire stopping materials and installation equipment
2. Division 16 Section "Basic Electrical Materials and Methods".
3. Division 16 Section "Cable Trays" with its related section.
4. Division 16 Section "Raceways and boxes" with its related section.
5. Division 16 Section "Under floor raceways" with its related section.
6. Division 16 Section "Electrical Identification" with its related section.

1.3 SUBMITTALS

A. Technical Data: Submit data for approval including, but not limited to, the following:

1. Constructional details, standards to which cables comply, current carrying capacities, de-rating
factors for grouping and temperature.
2. Manufacturer's catalogue cuts.
3. Dimensional and electrical characteristics.

B. Samples of each cable and wire and, if requested by Engineer, other accessories.

C. Shop and Construction Drawings: Submit drawings for approval including, but not limited to, the
following:

1. Exact routing layouts, sections and profiles of trays, feeder, sub-feeder cables and branch circuits,
with indication of any equipment to show and verify coordination between various trades.
2. Details of supports and fixings for buses, trays and cables.
3. Details of connections to transformers, switchboards, panelboards etc.
4. Details of terminations, splices and tapings where permitted, glands and bushings at enclosures.
5. Number and size of conductors in conduit for all branch circuits in accordance with final conduit
routing.

D. Certificate of Origin: For each lot of cable supplied, provide a certificate of origin issued by manufacturer
stating origin, date of manufacture, composition, standards to which it complies and test certificates. All

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test certificates are to comply with the test requirements of the relevant standard to which the cable is
manufactured.

E. Cable Jointing Qualifications: Submit details of the proposed cable jointers qualifications prior to work
commencing on site.

F. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.

1.4 QUALITY ASSURANCE

A. Installer Qualifications: Engage an experienced and certified cable splicer to install, splice and terminate
low-voltage cables.

B. Standards: Wires and cables are to comply with IEC or other equally approved standards and are to bear
the mark of identification of the Standards to which they are manufactured. Wires and cables not having
this identification will be rejected.

C. Current carrying capacities of conductors have been determined in accordance with the Regulations for
specified type of insulation and expected conditions of installation. No change will be accepted in
specified type of insulation unless warranted by special conditions and approved by Engineer. Check
various loads and current carrying capacities and report any discrepancies or insufficiency of sizes
indicated to Engineer.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Deliver wires and cables properly packaged in factory packed or fabricated containers, wound on factory
reels.

B. Store wires and cables in dry areas, and protect from weather, fumes, water, debris, etc.

C. Handle wire and cable carefully to avoid abrasing, puncturing and tearing wire and cable insulation and
sheathing. Ensure that dielectric resistance integrity of wires/cables is maintained.

1.6 COORDINATION

A. Coordinate layout and installation of cables with other installations.

B. Revise locations and elevations from those indicated, as required to suit field conditions and as approved
by Engineer.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

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2.2 GENERALLY

A. Conductors: Unless otherwise specified or shown on the Drawings, cables and other feeders are to have
copper conductors. Cable conductors are to be stranded for sections 4 mm2 and above, based on IEC
60228 Class 2. Signal and control cables are to have solid conductors unless otherwise specified.
Flexible cords are to have finely stranded conductors. Conductors of single-core cables 25-mm2 and
above are to be compacted. Multi-core cables 35-mm2 and above are to be sectoral shape.

B. Conductor sizes are to be metric and as shown on the Drawings. Conductors with cross-sectional area
smaller than specified will not be accepted.

C. Building wiring insulation is to be color coded or otherwise identified as required by the Regulations and
as follows:

1. Neutral is to be [black][blue].
2. Protective earth is to be green or green/yellow striped.
3. Phase colors are to be [red, yellow, blue][brown, black, grey] or use color coding in accordance
with local regulations and standards.

D. Maintain color coding throughout installation. Phase-conductors for which outer jacket is not color-
coded are to have engraved alphanumeric mark (L1, L2, L3) or color coded heat-shrinkable sleeves.

E. Buried Cables: Cables buried directly in the ground are to be armored type, unless otherwise indicated in
particular Sections of the Specification or on the Drawings.

F. Buried cables in high water content soil are to be watertight type, provided with water blocking swellable
tape above insulation as longitudinal water barrier, PE laminated aluminum foil longitudinally applied
with suitable overlap as radial water barrier and an external outer sheat made of extruded black
polyethylene compound.

G. Outdoor cables exposed to sunlight are to be provided with ultraviolet resistant PVC sheath having 2.5%
black carbon content.

2.3 LV WIRES AND CABLES

A. Single Core PVC Insulated Non-Sheathed Cables (Building Wires): Unless otherwise specified, single
conductor cables for wiring in conduit are to have annealed copper conductors, compacted, generally with
concentric strands and insulated with flame retardant insulation to IEC 60332-1, moisture and heat
resistant PVC/E to IEC 60227-1 and 3, suitable for wet locations and for conductor temperature of 85
deg. C. Wires and cables are to be 450/750 V grade.

B. Multi-Core PVC Insulated Cables (0.6/1 kV): To have annealed, copper conductors, compacted, insulated
with PVC to IEC 60502-1, moisture and heat resistant, suitable for wet locations and conductor
temperatures of 85 deg. C, laid up, bedded with suitable filler and sheathed with flame retardant
PVC/ST2. Armored cables are to have single layer of galvanized steel wire armor with flame retardant
PVC/ST2 over-sheath. Cables are to comply with IEC 60502-1 IEC 60332-3, and IEC 60811.

C. Single Core PVC Insulated Non-Sheathed Cables (Building Wires): Unless otherwise specified, single
conductor cables for wiring in conduit are to have annealed copper conductors, compacted, generally with
concentric strands and insulated with flame retardant insulation to IEC 60332-1, moisture and heat

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resistant PVC/E to IEC 60227-1 and 3, suitable for wet locations and for conductor temperature of 70
deg. C. Wires and cables are to be 450/750 V grade.

D. Multi-Core PVC Insulated Cables (0.6/1 kV): To have annealed, copper conductors, compacted, insulated
with PVC/A to IEC 60502-1, moisture and heat resistant, suitable for wet locations and conductor
temperatures of 70 deg. C, laid up, bedded with suitable filler and sheathed with flame retardant
PVC/ST2. Armored cables are to have single layer of galvanized steel wire armor with flame retardant
PVC/ST2 over-sheath. Cables are to comply with IEC 60332-3, and IEC 60811.

E. Single Core XLPE Insulated Feeder Cables (0.6/1 kV): Single-core circular stranded, annealed copper
conductors, compacted, insulated with moisture and heat resistant cross-linked polyethylene (XLPE),
suitable for wet locations and conductor temperatures of 90 deg. C. and flame retardant PVC/ST2 over-
sheath. Armored cables are to have taped bedding, single wire aluminum armor and flame retardant
PVC/ST2 over-sheath. Cables are to comply with IEC 60502-1, IEC 60332-3, and IEC 60811.

F. Multi-Core XLPE Insulated Feeder Cables (0.6/1 kV): Multicore annealed copper conductors,
compacted, XLPE insulated, for conductor temperature of 90 deg. C, laid up and bedded with suitable
non-hygroscopic material compatible with the insulation and flame retardant PVC/ST2 over-sheathed,
color black. Armored cables are to have single layer of galvanized steel wire applied helically over
extruded flame retardant PVC/ST2 bedding (which may be an integral part of filling) and over-sheathed
with flame retardant PVC/ST2, color black. Cables are to comply with IEC 60502-1, IEC 60332-3, and
IEC 60811.

G. Multi-Core Dual Shielded XLPE Insulated Feeder Cables (0.6/1 kV) for VFD: To have stranded copper
conductors, compacted, adequately thick XLPE insulated, for conductor temperature of 90 deg. C. An
overall tinned copper braided 100% Shield in conjunction with an aluminium/polymer tape shield is
provided, with flame retardant PVC/ST2 over-sheathed, color black. Each feeder is to be provided with 3
nos. symmetrically arranged grounding conductors except for feeders less than 16 mm2 which is to be
four core having the fourth core acting as a ground conductor. Cables are to be used with variable
frequency drive applications. Cable length is not to exceed 40 m unless proper common mode, (dv/dt), or
Sinus filters are specified in the VFD, or as otherwise recommended by the manufacturer or advised by
the engineer. Cables are to comply with IEC 60502-1, IEC 60332-3, and IEC 60811.

H. Low Smoke Zero Halogen (LS0H) Cables: 600/1000 V grade, copper conductor, compacted, insulated
with extruded material to IEC 61034-1 and 2 for low smoke emission, IEC 60754-1 for halogen acid gas
content and IEC 60754-2 for degree of acidity of evolved gas. . Cores and cross sectional area are to be
as shown on the Drawings. Phases are to be color coded in conformity with the Standards, and overall
cable sheath is to be extruded black LS0Hmaterial.

I. Flexible cable for connection to appliances, window fans, pendants etc. is to be 300/500 V grade to BS
6500, three or four core, with tinned finely stranded copper wires, EPR insulated, twisted and Sheathed
With Chlorosulphonated Polyethylene (CSP) Compound And With Strengthening Cord.

J. Fire resistant LS0H Cable (similar to Prysmian - Type FP 100 , or approved equal): Stranded plain
annealed copper conductors to IEC 60228, fire resistant insulation to BS 7655 and Low Smoke Zero
Halogen (LS0H) composite sheath to IEC 61034-1 & 2 and IEC 60754-1 & 2. Cable is to be rated
600/1000 V, capable of accepting voltage surges up to 5 kV, operating conductor temperature of 90 deg.
C. Cables are to be certified to have passed IEC 60331 fire resistance and IEC 60332-1 & 3 flame
retardance and reduced flame propagation to category CWZ of BS 6387. Cables are to be used for central
battery system, smoke curtains and other similar loads where shown on the drawings.

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K. Fire resistant LS0H Cable (similar to Prysmian - Type FP 200 Gold, or approved equal) : Solid or
stranded plain annealed copper conductors to IEC 60228 (in sizes up to 4 mm2), fire resistant insulation
to BS7655, laminated aluminum screen and LS0H composite sheath with tinned earth continuity
conductor/drain wire to IEC 61034-1 & 2 and IEC 60754-1 & 2. Cable is to be rated 300/500 V, capable
of accepting voltage surges up to 5 kV, operating conductor temperature of 70deg. C. Cables are to be
certified to have passed IEC 60331 fire resistance and IEC 60332-1 & 3 flame retardance and reduced
flame propagation to category CWZ of BS 6387. Cables are to be used for fire alarm installations unless
otherwise specified under fire alarm section.Fire resistant LS0H Cable 600/1000 V, (similar to Prysmian
- Type FP-400, or approved equal): plain copper stranded circular conductor (sizes up to 400mm2)
complying with IEC 60228 with fire resistant insulation complying with BS 7655 operating conductor
temperature 90ºC, single galvanized steel wire armour and extruded low smoke zero halogen (LS0H)
over sheath . Cable is to be rated 600/1000 V. Cables are to be certified to have passed IEC 60331 fire
resistance and IEC 60332-1 & 3 flame retardance and reduced flame propagation to category CWZ of BS
6387. Cables are to be used for feeders of the fire pumps, smoke and pressurizing fans, fire fighting
elevators and other loads where shown on the drawings.

2.4 CONTROL AND SIGNAL CABLES

A. Multi-Core PVC Insulated Control Cables: 0.6/1 kV rating, solid 1.5 mm2, 2.5 mm2 or stranded 4 mm2
plain circular copper conductors, with heat resistive PVC/A to IEC 60502-1, rated for 70 deg. C, of 7, 12,
19, 24, 30 or 37 cores. Cores are to be laid up together and filled with non-hygroscopic material, and
covered with copper wire or tape screen and over sheathed with flame retardant PVC/ST1, to form
compact and circular cable for use in switchgear, control gear and generally for control of power and
lighting systems. Armored cable is to have extruded PVC bedding which may be an integral part of the
filling, galvanized steel wire armoring, and over-sheath of flame retardant PVC/ST1 to IEC 60502-1 and
IEC 60332-1, color black. Core identification is to be white printed numbers 1, 2, 3 etc. over black
insulation.

B. Cables are to be certified to have passed IEC 60331 fire resistance and IEC 60332-1 & 3 flame retardance
and reduced flame propagation to category CWZ of BS 6387.

C. PE insulated control and signal cables, for use on data systems, are to be generally 300 V rating,
polyethylene insulated, color-coded, tinned copper conductors (0.6-mm diameter), twisted together into
pairs. Multi-pair core assembly is to be covered with binder tape, spirally wound 0.075-mm bare copper
shielding tape and provided with drain wire and overall PVC sheath.

D. Control and signal cables, enclosed in conduit and raceways with power cables, are to be insulated for
same voltage grade.

E. Multi core PVC insulated cables (300/500 V) annealed copper conductors, solid conductors, up to 4 mm2
unless otherwise indicated, insulated with moisture and heat resistant PVC/C to IEC 60227 and with over
sheath of flame redundant PVC type ST1 to IEC 60227 and IEC 60332-1.

2.5 CONNECTORS (LV POWER)

A. Connector - Type A-1: Pressure indent type, for terminating or making T-taps and splices on conductors
10 mm2 and smaller. Connector is to be non-ferrous copper alloy applied to conductor by mechanical
crimping pressure, with vinyl insulating sleeves or phenolic insulating covers.

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B. Connector - Type A-2: Bolted pressure split type for terminating or making T-taps and splices on
conductors 16 mm2 and larger. Connector is to be cast non-ferrous copper alloy applied to conductor by
clamping with minimum of two screws and provided with phenolic insulating cover.

C. Connector - Type B-1: Pre-insulated, spring type, for branch circuit and fixture wiring. Connector is to
be steel encased spring with shell, insulated with vinyl cap and skirt, type Scotchlok brand, as
manufactured by Minnesota Mining & Mfg. Co. or 3M or other equal and approved.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine raceways and building finishes to receive wires and cables for compliance with requirements for
installation tolerances and other conditions affecting performance of wires and cables. Do not proceed
with installation until unsatisfactory conditions have been corrected.

B. Before pulling wires in conduit check that inside of conduit (and raceway in general) is free of burrs and
is dry and clean.

3.2 INSTALLATION

A. General: Building wires and cables are to be installed in conduit, trunking or ducts indoors and in conduit
outdoors, unless otherwise shown the Drawings.

B. Circuits: Unless otherwise shown on the Drawings, final branch circuit wiring is to be run inside trunking
or conduits, D.C. wiring is to be run in separate conduits from A.C. wiring, and emergency lighting and
power circuits are to be run in separate conduits from normal circuits.

C. Branch circuit work originating from light and power panelboards is to be arranged as shown on the
Drawings. Loads on various phases of panelboards are to be balanced. Ensure that the lighting load and
other loads are balanced with a difference of not more than 10% between the phases.

D. Control cables may be fixed to racks, installed directly on cable trays or pulled in conduit and trunking
indoors, and in underground ducts or in conduit outdoors.

E. Bunching of wires in raceways is to be in accordance with raceway filling factors permitted by the
Regulations.

F. Lubricants are to be used for pulling wire or cable if character of pull would otherwise damage
conductors, insulation or jacket. Lubricants are to be approved by the Engineer.

G. Pull conductors into raceways simultaneously where more than one is being installed in the same
raceway.

H. Support: Cables and wires pulled inside very high conduit risers are to be supported at upper end of risers
and at intermediate points by split rubber grommets to relieve any stresses on conductors, where required.

I. Wiring At Outlets: Leave a slack of at least 200mm at each outlet.

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J. Extra Length: At every branch circuit outlet and pull-box, every cable passing through is to be left slack
to allow inspection and for connections to be made. Cables terminating in outlet boxes are to be left with
at least 250-mm extra length for terminations.

K. Joints or taps in wires and cables, if permitted, are to be permanently accessible or made only in boxes or
cabinet gutters.

L. Insulating covers are to be applied to prevent exposure of bare cable connections.

M. Switch legs for local wall switches are to have distinctive color, selected as complementary to cable color
coding used in the project.

N. Terminations: Conductors of wires and cables up to 16mm2 are to be tightly twisted and where possible
doubled back before being clamped with set screws. Where two or more wires are looped into same
terminal these conductors are to be tightly twisted together before inserting into terminals. In no case is
bare conductor to be allowed to project beyond any insulated shrouding or mounting of a line terminal.
Cables sizes 16 mm2 and larger are to terminate in tunnel lugs with setscrew, or by using bolted or
sweated compression connectors.

O. Tagging: Tag main and feeder cables in pull-boxes, wireways and wiring gutters of panelboards or
distribution cabinets. Tags are to identify cable or circuit number and conductor size in accordance with
the Schedules.

P. Tagging: Where two or more circuits are run to or through a control device, outlet box or ceiling junction
box, each circuit is to be tagged as a guide in making connections.

3.3 FEEDER AND SUB-FEEDER INSTALLATION (0.6/1 KV)

A. Cables generally are to be run through duct-banks, shafts or special recesses, clamped to steel racks or
cable trays. Cables run through ventilation shafts are to be installed in steel conduits.

B. Fixing: Single cables above suspended ceilings or in concealed spaces are to be fixed directly to walls or
ceilings but must be accessible. Where two or more cables are run in parallel, they are to be fixed on
galvanized steel perforated trays or on other approved special cable supporting and protecting
arrangement.

C. Clamps: Where cables are fixed to steel trays or supporting structures, approved galvanized cast steel
clamps (or molded plastic clamps for single core cables) are to be used at distances not exceeding 20
diameters.

D. Joints or splices will not be accepted on main and sub-feeders. Cables are to be supplied in lengths
sufficient for straight-through un-jointed termination to termination pull.

E. Directly buried cables crossing under roads, pipe banks or other services, are to be laid in heavy duty
PVC duct banks. In no case are cables to be directly buried in concrete, in masonry or in floor finishing.

F. Buried cables liable to mechanical damage are to be drawn through PVC conduit or asbestos cement pipe.
If steel conduit is used, all three-phase conductors, neutral and protective earth circuits are to be in the
same conduit.

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G. Exposure to Heat: Route wires and cables to prevent exposure to excessive heat or to corrosive agents. If
such condition is unavoidable, cables are to be type designed for particular condition.

H. Insulating covers are to be applied to prevent exposure of bare cable connections. Insulating cover is to
be purpose made and is to provide minimum insulation level equal to that of conductor insulation.

I. Glands for various single-core and multi-core cables are to be purpose made and suitable for rigid
mounting to equipment enclosure.

J. Seal around cables penetrating fire-rated elements using approved fire-stopping material according to
Division 7 Section "Through-Penetration Firestop Systems".

K. Identify wires and cables according to Division 16 Section "Basic Electrical Materials and Methods."

3.4 CABLE CONNECTIONS, JOINTING AND TERMINATIONS

A. Through joints will not be allowed in feeder cables where adequate manufacturer's lengths are available.
Where a joint is necessary, it has to be made inside boxes, handholes or manholes.

B. Recommendations: Through joints and terminations are to be carried out strictly in accordance with cable
manufacturer's recommendations, and made with correct specified materials, boxes, tapes, compounds or
mixtures, stress cones, glands and bonds as applicable.

C. Jointing: Joints are to be filled with epoxy resin after taping unless contrary to cable manufacturer's
recommendations. Sample site constructed cable terminations and through-joints are to be submitted
prior to commencing work on site. Samples are to be constructed in the presence of the Engineer and are
to be available for test and inspection in accordance with manufacturer's recommendations.

D. Cutting tools for jointing and terminating cables are to be purpose made, to prevent damage to insulation
in general.

E. Cleaning of lacquer on conductors is to be by use of 'Scotch Brite' sponge and white spirit or equal
approved.

F. Tighten electrical connectors and terminals including screws and bolts, in accordance with manufacturers
published torque-tightening values. Where manufacturer’s torquing requirements are not indicated,
tighten connectors and terminals to comply with international standards.

3.5 FIELD QUALITY CONTROL

A. Cable tests are to be carried out in accordance with the requirements of the Regulations and Standards.

B. Test Equipment: Provide megger testers of various ranges as applicable. Use 500 V megger on
installations with nominal voltage up to 500 V, and 1000 V megger on installations with nominal voltage
over 500 V up to 1000 V.

C. Insulation resistance for LV power and lighting installations is to be carried out in accordance
withBS7671 (The IEE wiring Regulations”)..

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D. Insulation resistance for control and signal cables is to be minimum 10000 Megohm-km for PE insulated
cables and 100 Megohm-km for PVC insulated cables, all measured core-core and core-earth, in
accordance with the Regulations.

E. Prior to energization of circuitry, check installed wires and cables with megohm meter to determine
insulation resistance levels to ensure requirements are fulfilled.

F. Prior to energization, test wires and cables for electrical continuity and for short-circuits.

G. Subsequent to wire and cable hook-ups, energize circuitry and demonstrate functioning in accordance
with requirements. Where necessary, correct malfunctioning units, and then retest to demonstrate
compliance.

END OF SECTION 16120

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SECTION 16130 - RACEWAYS AND BOXES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes boxes and raceways including conduits, wireways, and related installations and
accessories necessary to support and protect cables, feeders, sub-feeders, branch circuit wiring and wiring
of low current systems, communications and signal cables.

B. Related Sections include the following:

1. Division 7 Section "Through-Penetration Firestop Systems"

2. Division 16 Section "Basic Electrical Materials and Methods" for raceways and box supports.
3. Division 16 Section "Wiring Devices" for devices installed in boxes and for floor-box service
fittings.

1.3 SUBMITTALS

A. Product Data: Submit data for approval including, but not limited to, manufacturers' catalogues with
specifications of raceways including conduits, trunking, boxes, etc. and related accessories

B. Shop and Construction Drawings: Submit drawings for approval including, but not limited to, the
following:

1. Exact routing of conduits, trunking etc. with indication of boxes, accessories and expansion joints,
size and type of conduits and boxes.
2. Typical assembly details of installation of trunking, trays etc.
3. Construction details of pull boxes.
4. Typical installation details including connection of conduits to metal enclosure, connection of
flexible conduits, vapour-tight installations in cold rooms, weatherproof installations outdoors etc.
and earthing connections.
5. For prewired installations, submit drawings for approval showing the complete layout of all
products that make up the complete system for each floor prior to the installation of raceway
lengths, device type (power and data), locations and circuits identified.

C. Samples of each type of raceway, box, and accessory.

1.4 QUALITY ASSURANCE

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A. Regulations and Standards: Conduits, wireways, cable trays and fittings are to be designed, constructed
and installed to give safe installation and reliable mechanical protection for wires and cables in
accordance with the Regulations. Standards of products are to be as specified.

1.5 COORDINATION

A. Coordinate layout and installation of raceways and boxes with other construction elements to ensure
adequate headroom, working clearance, and access.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 RIGID HEAVY GAUGE STEEL CONDUIT

A. Material: Heavy gauge drawn and welded steel, threaded at both ends, to BS 4568 Part 1 and BS 31
Class B (threaded), with class 4 protection for rigid steel conduit, zinc coated inside and outside by hot-
dip process or sherardizing.

B. Fittings Generally: Threaded type, galvanized or cadmium plated malleable cast iron. Fittings used in
corrosive atmospheres are to be specially treated. Fittings and components are to comply with IEC
61386-1, BS EN 50086-1 and BS 31.

C. Locknuts for securing conduit to metal enclosure are to be heavy hexagonal or castellated pattern, for
fastening.

D. Bushings for terminating conduits are to be smooth rounded brass rings.

E. Miscellaneous fittings including reducers, chase nipples, three piece unions, split couplings and plugs are
to be standard fittings designed and manufactured for the particular application.

2.3 RIGID STEEL CONDUIT

A. Intermediate Metal Conduit (IMC): rigid high grade mild strip welded steel, hot dip galvanized over the
entire length including factory made treads after cutting with organic corrosion resistant polymer inside
coating and to US Federal Specification, UL 1242 and ANSI C80.6.

B. IMC Fittings Generally: threaded fittings and connectors and terminations with rigid coupling, concrete
tight where required, and with red lead coated threads where site cut. Factory made bands are to be
provided where site bending is not possible.

C. Electrical Metallic Tubing (EMT): welded steel, non-threaded type, galvanized externally and protected
internally with corrosion resistant enamel, and to U.S. Federal Specifications, UL 797 and ANSI C80.3.

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D. EMT Fittings Generally: threadless pressure type, galvanized or cadmium plated malleable cast iron.
Fittings used in corrosive atmospheres are to be specially treated. Factory made bends are to be provided
where site bending is not possible.

E. Corrosion Resistance: conduits used in corrosive atmospheres are to be copper silicon alloy, highly
resistant to corrosion.

2.4 FLEXIBLE STEEL CONDUIT

A. Material: Steel, cold rolled and annealed, non-threaded type, formed from continuous length of helically
wound and interlocked strip steel, with fused zinc coating on inside and outside, and to IEC 61386-1, BS
EN 50086-1.

B. Liquid-tight flexible conduit is to have PVC jacket extruded over core.

C. Fittings Generally: Threadless, hinged clamp type, galvanized or cadmium plated malleable cast iron.
Fittings used in corrosive atmospheres are to be specially treated.

D. Straight Connectors: One piece body, female end, having hinged clamp and deep slotted machine screws
for securing to conduit, male end having thread and locknut.

E. Angle connectors of 45 or 90 degree and terminal connectors are to be as specified for straight
connectors, except that body is to be two-piece with removable upper section.

2.5 RIGID HEAVY GAUGE PVC CONDUIT

A. Material: Rigid unplasticized polyvinyl chloride with high impact and high temperature resistance, flame
retardant, non-hygroscopic and non-porous, to CEE 26, BS 4607 and BS EN 50086-1, IEC 61386-1, IEC
61386-21, DIN 49016 or other equal and approved standards conforming to IEC 60423.

B. Fittings Generally: Unbreakable, non-inflammable, self extinguishing, heavy moulded plastic. Expansion
couplings are to be telescoping double tube type, with at least two inner water-tight neoprene rings.

C. Assembly: Conduits, boxes and accessories are to be assembled by cementing, using manufacturer's
recommended products and appropriate connectors or spouts. Where no spouts are available use smooth
bore male PVC bushes and sockets.

2.6 FLEXIBLE PVC CONDUIT

A. Material: flame retardant, heat resistant, non-hygroscopic PVC, high resistance to impact, ribbed on
circumference for flexibility to IEC 61386-1 or other equal and approved standards

B. Fittings Generally: unbreakable, non-inflammable, self extinguishing, heavy moulded plastic.

2.7 STEEL CONDUIT ACCESSORIES

A. Sleeves Through Outside Walls: Cast iron, with end and intermediate integral flanges, and internal
diameter larger than diameter of through-conduit. Length is to correspond to wall thickness. Space

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between sleeve and conduit is to be packed with oakum to within 50 mm of both faces of wall, remainder
of sleeve packed with plastic compound or lead, held in place by heavy escutcheon plates bolted at both
ends to flanged ends of sleeve. Alternatively, sleeves are to be O.Z/Gedney, Type WSK or other equal
and approved, with cable or conduit bolted pressure sealing components.

B. Supports and Hangers: Galvanized malleable cast iron straps or structural steel sections with hot dip
galvanized bolts and nuts.

C. Expansion Joint for Embedded Steel Conduits - Type A: Watertight, flexible conduit with end fittings to
receive fixed conduits. Length is to allow movement within range of joint and is not to be less than 20
times diameter of conduit. Conduit is to be covered with thick rubber tubing with 5 mm minimum gap all
around tube. Bonding jumper with earth clamp is to electrically connect both sides of joint. Fitting is to
be O.Z/Gedney, Type DX or other equal and approved.

D. Expansion Joint for Exposed Steel Conduits - Type B: Sleeve with fittings to permit telescoping of one
conduit into sleeve. Movable conduit is to be fitted with watertight bushing. Joint is to be weatherproof,
of galvanized malleable iron or steel. Bonding jumper with earth clamp is to electrically connect both
sides of joint. Expansion fitting is to be O.Z/Gedney, Type DXX or other equal and approved.

E. Expansion Joint for Exposed Steel Conduits - Type C: PVC sheathed flexible steel conduit terminating in
pull boxes and securely fixed on each side of structural expansion joint. Bonding jumper is to electrically
connect both sides of joint.

F. Tags: 50 mm diameter steel with indented lettering, rust inhibiting treatment and baked enamel finish.

2.8 WIRING AND CABLE TRUNKING

A. Components are to include wireway base, clip-on covers, couplings, end plates, wall flanges, panel to
trunking rubber grommets, elbows, tees, adaptor plates and necessary hangers, supports and accessories.

B. Steel Trunking: To BS EN 50085-1 and BS EN 50085-2-1, galvanized sheet steel, minimum 1.5 mm
thick, protected internally and externally with corrosion resistant finish such as zinc or cadmium with top
coat of enamel.

C. PVC Trunking: to BS 4678 part 4 high impact, heavy duty, self-extinguishing, rigid PVC with grooved
double locking action of the clip-on cover. Design is to be approved by Engineer before ordering
materials. Trunking is to be capable of receiving functional slot-in hangers and demountable separators
to segregate wiring systems as needed.

D. Sizes: As required to accommodate number of conductors permitted by the Regulations and/or as shown
on the Drawings.

2.9 WEATHERPROOF WIRING AND CABLE TRUNKING

A. Type: hot-dip galvanized sheet steel trunking of 1.5 mm thick (minimum) with 1 mm thick cover to BS
EN 50085-1 and BS EN 50085-2 for trunking and BS EN ISO 1461 for galvanizing.

B. Construction: Trunking is to have outwardly turned flanges to receive cover, and internal sleeve coupling
between sections, permitting cutting of trunking on site.

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C. Gaskets: Neoprene bonded cork gaskets are to be fitted throughout, between any two attached surfaces.

D. Screws: Removable flanged covers are to be secured with galvanized steel holding screws.

2.10 SKIRTING TRUNKING

A. Type: Comprising wireway base, snap-on cover, couplings, end plates, wall flanges, elbows, tees,
adapters, if required, and necessary clamps, hangers, supports and accessories. Wires and cables are to
laid from front and held in place by clamps.

B. Steel Skirting Trunking: Sheet steel, 1.5 mm minimum thickness, protected internally and externally with
corrosion resistant finish such as zinc or cadmium with top coat of enamel.

C. Aluminium Skirting Trunking: The raceway and all system components must be UL Listed in full
compliance with their standard for surface metal raceways and fittings (UL-5). All extrusions are to be
6063-T5 aluminum alloy, with nominal wall thickness of 1.99mm throughout. The surface finish is to be
satin, anodized #204 Type clear, Class R1 Mil-Spec with minimum anodized finish of 10mm.

D. UPVC Skirting Trunking: High impact resistant, flame retardant UPVC (unplasticized polyvinyl
chloride) to BS 476 Part 6 and Part 12.

E. Type: The raceway shall be a two-piece design with a base and snap-on cover. The base shall be
furnished in 3m lengths and the cover sections shall be furnished in 1.5m lengths. The overall dimensions
of assembled raceway shall be 152.4mm wide by 57.15mm deep with a cross sectional area of
548.25sq.mm.
1. The base shall have an extruded divider separating the 152mm raceway into two equal
compartments.

2. The cover shall fit onto both compartments to allow access to only one compartment at a time.

3. The two compartment and separate covers must be available to handle both power and
communications wiring. Size of each compartment is to be determined by size and number of
conductors housed, in accordance with the Regulations and/or as shown on the Drawings.

F. Fittings: A full complement of fittings for the raceway shall be available. The available fittings should
include, but not be limited to the following: flat, internal and external elbows, tee and cross fittings, wire
clips, couplings for joining sections of raceway, grounding adapters as an NEC approved secondary
grounding method, and transition connectors to 12.7mm and 19.1mm trade size conduit.

G. Device Covers: Device cover plates for mounting the following commercially available devices must be
available: single devices, 40mm dia. socket, other rectangular faced devices and modular voice and data
jacks.

H. Communication Devices and Accessories: The raceway manufacturer will provide a complete line of
connectivity outlets and modular inserts for Unshielded Twisted Pair, Shileded Twisted Pair, Fiber Optic,
Coaxial and other cabling types with faceplates and bezels to facilitate mounting.

2.11 PREWIRED PLUG-IN LIGHTING TRUNKING (HEAVY DUTY)

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A. Type: overhead supported and prewired, supplied complete with 13 A, 3-pin special non-standard socket
outlet for each luminaire, at spacing required and shown on the Drawings. Lengths of sections are to be
determined by centers at which support brackets are to be mounted. Expansion is to be taken up by
expansion fittings, and spacing of sections where applicable, and as recommended by the manufacturer.

B. Construction: 1.5 mm (16 b.g.) thick rigid mild steel sheet, with flanged cross-section to withstand loads
up to 180 lbs (vertical/horizontal) with negligible deflection when supported at 4.0 m, and finished in
stove enameled grey. Socket outlets are to be earth bonded. Purpose made support brackets are to be
provided at regular spacing. Connecting set between sections (lengths) is to provide a stiffening joint and
access into trunking through top plate. Flexible is to be provided between trunking sections to enable
trunking to be turned in the horizontal plane for negotiating bends or curves.

C. Wiring and Plugs: each trunking length is to be wired with five single-core, 4 mm2 PVC cables for
alternate 3-phase, neutral and earth distribution, extended at least 150 mm beyond each end for easy field
wiring between sections, and supplied with one 30 A connector block per length. Plugs are to be fused.
End cable adapter on header is to be provided at each connection to a branch circuit.

D. Lighting Fitting Suspension: underside of trunking is to be formed in a continuous edge from which
lighting fittings are to be suspended at two points, each by bolted hooks with locking screws to prevent
accidental unhooking of fixture.

2.12 PLUG-IN OVERHEAD LIGHTING TRUNKING (LIGHT DUTY)

A. Regulations: Trunking is to conform to the National Electrical Code for overhead distribution of lighting
circuits and low current circuits.

B. Components comprise wireway base, snap-on covers, couplings, end plates, wall flanges, panel to
wireway rubber grommet, elbows, tees, adaptor plates and necessary hangers and supports.

C. Construction: 1 mm (0.04 inch) thick, galvanized steel, gray enameled (ANSI-61 gray). Sizes are to be
selected to comply with the NEC and provide at least 25% space for future wiring.

D. Laterals are to be supplied with 15 A, 277 V grounding receptacles spaced to correspond with equipment
layout and wired to correspond with control requirements shown on the Drawings.

2.13 OUTLET BOXES, GENERAL

A. Surface or recessed boxes are to be suitable for type of related conduit or cable system. Shapes and sizes
of boxes are to be of compatible standards as switches and socket outlets specified under Division 16
Section "Wiring Devices", and lighting fixtures selected and of various types and mounting methods
required.

B. Unused openings in outlet boxes are to be closed with molded caps or knock-out closers manufactured for
the purpose.

C. Floor outlets and plates are to be water-tight and impact resistant.

2.14 METALLIC OUTLET BOXES

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A. Recessed and Concealed Boxes: Galvanized pressed steel, with knock-outs for easy field installation.
Special boxes are to be punched as required on Site.

B. Exposed Surface Mounted Boxes: Galvanized cast iron with threaded hubs.

C. Outdoor Surface or Recessed Boxes: Galvanized cast iron with threaded hubs and PVC gaskets to ensure
water tightness and with stainless steel or non-ferrous, corrosion resistant screws.

D. Floor Boxes - Type A: Watertight, cast iron or cast metal alloy with corrosion resistant finish, adjustable
mounting, standard duty, round or square, factory drilled and tapped for required conduit sizes, and with
brass cover and flange with brushed finish free from markings other than required for mounting screws.

E. Floor Boxes - Type B: non-standard size, flush floor mounted, cast metal alloy, with watertight neoprene
gasket and hinged cover for each service. Box to be ready with factory drilled and tapped conduit entries
and adjustable mounting fittings. Metal barriers are to separate services for power and low current.

F. Flame-Proof Boxes: Malleable iron or cast iron, with gas threaded hubs, special covers with silicon
rubber gaskets, gas tight, and water-tight. Boxes are to comply with the Regulations for explosive areas.

2.15 MOULDED PLASTIC OUTLET BOXES

A. Type: Boxes and covers used with PVC conduit systems are to be heavy gauge pressure moulded plastic,
minimum 2 mm thick, self extinguishing, with softening point not less than 85 deg. C. Boxes are to have
provision for securely terminating conduits and are to be manufacturer's standard for required application.

B. Fittings: Boxes are to have brass inset threads to receive cover screws and for mounting devices or
accessories, push-fit brass earth terminals, and steel insert clips to provide additional support for pendants
or for heat conduction. Neoprene gaskets are to be provided for weatherproof installations.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine surfaces to receive raceways and boxes for compliance with installation tolerances and other
conditions affecting performance of raceway installation. Do not proceed with installation until
unsatisfactory conditions have been corrected.

3.2 CONDUIT, WIREWAYS, AND BOXES, GENERAL

A. Use: Unless otherwise specifically indicated all light and power circuits, communications, signal and low
current systems wiring are to be drawn inside conduits or wireways up to the various electric power
consuming equipment as shown on the Drawings.

B. Separate conduits and wireway installations are to be used for medium voltage cables, low voltage
feeders and sub-feeders, normal light and power circuits, emergency light and power circuits and
communication, signal and other low current systems wiring. Cables of different voltages are not to be
mixed within the same conduit or wireway as per the regulations.

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C. Boxes: Junction, pull, and splice boxes of ample capacity are to be provided as indicated or required.
Boxes are to remain permanently accessible.

D. Exposed Outlet Boxes: Securely fasten to wall with machine screws to permanent inserts or lead anchors.

E. Recessed Outlet Boxes: Make neat openings, to the satisfaction of Engineer, allowing for thickness of
finishings, and use extension rings if required. Repair damaged finishings to original condition before
installation of fittings or plates.

F. Boxes Mounting Heights and Location: As specified under Division 16 Section "Wiring Devices", and as
shown on drawings.

G. Tools and accessories for forming and installing conduit and wireway systems are to be purpose made for
the particular application and used in accordance with manufacturers' instructions.

H. Fixing: Conduits and wireway installations are to be concealed as much as possible.

I. Sizes of conduits and wireways, not shown on the Drawings, are to be selected in accordance with the
Regulations and in relation to the number and size of conductors and the space factor as recommended by
the regulations. Minimum size of conduit for all applications is to be 20 mm diameter, unless otherwise
shown on the Drawings.

J. Mechanical Continuity: Conduits and wireways are to be effectively joined together and connected to
electrical boxes, fittings and cabinets to provide firm mechanical assembly. Earthing jumpers are to be
installed on steel conduits where required to ensure effective electrical continuity irrespective of whether
a separate protective earth conductor is required or not.

K. Metal conduits and enclosures are to be mechanically fastened, and to be connected to electrical boxes,
fittings and cabinets to form low electrical resistance continuity and firm mechanical assembly.

L. Dissimilar Metals: Use of dissimilar metals is to be avoided throughout the system to eliminate possibility
of electrolysis. Where dissimilar metals are in contact, treat surfaces with corrosion inhibiting compound
before assembling.

M. Miscellaneous fittings such as reduces, chase nipples, 3 – piece unions, split couplings and plugs that
have been specifically designed and manufactured for their particular application are to be installed as
necessary.

N. Conduits are to be tested with a mandrel. Conduits that reject a mandrel are to be replaced. Restore
conduit and surrounding surfaces to original condition.

3.3 CONDUITS AND WIREWAYS APPLICATIONS AND INSTALLATION, GENERAL

A. Conduits and wireways installations are to be as described below, unless otherwise shown on the
drawings or described in the particular section of the Specification.

B. Rigid heavy gauge steel conduit is to be used for all exposed installations comprising lighting, power, low
current, communication and signal system wiring, including mechanical equipment rooms, electrical
equipment rooms, service areas, and where subjected to mechanical damage. Use rigid steel conduit in
areas classified as hazardous explosive area. Flexible conduit is not acceptable.

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C. Electrical Metallic Tubing (EMT) is to be used for exposed installations over false ceilings when the false
ceiling is used as a return plenum.

D. Electrical Metallic Tubing (EMT) is to be used for exposed and above false ceiling wiring installations
used in conjunction with exit and escape route lighting/central battery circuits, fire alarm & security
installations.

E. Electrical Metallic Tubing (EMT) is to be used for all installations in elevator machine rooms and shafts,
electrical equipment rooms, mechanical rooms, parking floors, kitchen, laundry and solid waste rooms.

F. Conduit termination in sheet metal enclosures is to be fastened by lockouts, and terminate with bushing.
Install locknuts inside and outside enclosure.

G. Rigid heavy gauge PVC conduit is to be used for lighting and power circuits, low current, communication
and signal system wiring, where embedded in concrete masonry earth, underfloor, except where
otherwise shown on the Drawings or described in the particular section of the Specification.

H. Rigid heavy gauge PVC conduit is to be used above false ceilings for lighting and power circuits, low
current, communication and signal system wiring, when the false ceiling is not used as return plenum –
and in furred walls. Use flexible PVC conduits from outlet boxes to fixtures in conjunction with the use
of PVC conduits.

I. Flexible conduit of same material as corresponding conduit system is to be used for connection to motors,
vibrating and non-rigidly fixed equipment and to fixtures installed in false ceilings.

J. Flexible steel conduit is to be used in movable partitions and from outlet boxes to fixture over false
ceilings when used as a return plenum. Conduits are to be liquid tight in damp areas.

K. Liquid-tight flexible steel galvanized conduit is to be used in one or more of the following conditions:

1. Exterior location.
2. Moist or humid atmospheres where condensate can be expected to accumulate.
3. Corrosive atmosphere.
4. Subjected to water spray or dripping oil, water or grease.

L. Exposure to Damage: Conduit considered to be subject to undue risk of damage by shock or corrosion is
to be brought to the attention of the Engineer. Copper silicone alloy tubes may be used in corrosive
atmospheres.

M. Crossing: Conduits are not to cross pipe shafts, vents or openings.

N. Clearances: Install conduits at least, 150 mm clear of and preferably above pipes of other non- electrical
services. (Hot water pipes, etc.). Wherever possible, install horizontal conduit and wireways runs above
water and steam piping.

O. Sleeves: Obtain approval for positioning sleeves where conduits pass through reinforces concrete.
Additional opening may be allowed in finished slabs, but are to be drilled. Fix sleeves rigidly to maintain
position and alignment during construction work.

P. Waterproof Construction: Conduits are not to cross waterproof construction unless permitted by
Engineer. Specially designed and approved fittings are to be used.

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Q. Expansion Fittings: Provide in each conduit and wireways run every 30 meters, or wherever structural
expansion joints are crossed.

R. Make good all holes for conduits passing through walls, floors and ceilings with cement or similar fire-
resisting material to full thickness.

S. Bends: Conduit runs between outlet and outlet, fitting and fitting or outlet and fitting are not to contain
more than the equivalent of 2 quarter bends (180 degree total).

T. Bending is to be made without damaging conduit or tubing and without reducing internal diameter.
Methods of field bending are to be approved.

U. Cut ends are to be reamed to remove burrs and sharp edges.

V. Conduits entering cold stores are to be made vapour tight, so that vapour from outside cannot enter
conduit.

W. Draining: Arrange conduits so that condensed moisture can drain to screwed plug at lowest point.

X. Before wiring, conduits are to be swabbed through. Do not draw cables into any section of system until
conduit and draw boxes are fixed in position, and the raceway installation is completed.

Y. Capping: Conduits are to be properly capped until wiring conductors are drawn in.

Z. Conduit and fittings installed outdoors are to be watertight and highly resistant to corrosion. Use
appropriate fittings, threaded and hubbed boxes, gaskets with screw on covers and the like.

AA. Terminations: Do not terminate or fasten rigid conduits to motor frame or base.

BB. Length and radius of flexible conduit used for motors and vibrating equipment are to permit bending of
feeder cables without damage to conductor or insulation.

CC. Flexible conduit for slide rail mounted motor is to have sufficient slack to allow for movement of motor
over entire slide rail length.

DD. Pulling Wire: Install 3 mm galvanized stranded steel wire or equivalent strength cord with wooden blocks
fastened at ends, in empty service conduits (power, low current and signal).

EE. Standard elbows are to be used for conduit sizes over 40 mm. For smaller sizes, field bends may be used
provided no damage occurs to conduit.

FF. Tags: Fit to conduits entering or leaving floors, walls or ceilings for identification of conduit and circuits.
Tags are also to be placed at suitable intervals throughout the system.

GG. Non – ferrous conduit is to be installed for circuits operating above 60 Hz.

3.4 STEEL CONDUITS

A. Termination: Conduit entering sheet metal enclosure or outlet boxes, when not terminated in a threaded
hub, is to be securely held in place by two lock-nuts, placed inside and outside enclosure, and terminated
with an insulating bushing.

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B. Running Threads: Do not use running threads at joints and terminations, but use 3-piece unions or split
couplings.

C. Additional threaded cuts on galvanized steel conduits are to be painted with zinc based coating resistant
to corrosion.

D. Damage to protective coating of conduits is to be repaired to original degree of protection.

E. Outdoor Mounted Steel Conduit: Apply anti-corrosion coating of zinc-chromate based paint and two
weather resistant finish coats of enamel, of approved colour, or other equal and approved coating.

F. Galvanized conduit run in screed is to be painted with heavy coat of emulsified bitumen.

G. Galvanized steel conduits buried in ground or placed in wet or damp locations are to be coated with two
heavy coats of hot bitumen. Conduits are to be covered by at least 600 mm of earth if buried in planting
soil and by 300 mm if under walkway.

H. Plugs: Use hardwood or threaded iron plugs for blanking ends of steel conduit not used.

3.5 PVC CONDUITS

A. Coupling of conduit and/or termination into spouted fittings are to be made watertight and permanent
using special cement.

B. Termination: Connect conduits terminating in switchgear, fuseboards, trunking, adaptable boxes or other
non-spouted enclosures etc. with smooth bore male PVC bushes and sockets.

C. Ends of conduit and conduit fittings are to be cleaned and jointed using PVC cement recommended by
manufacturer.

D. Semi-Permanent Adhesive: Use in joints requiring expansion couplers.

E. Bends: Conduits not exceeding 25 mm diameter may be cold bent using bending springs. Conduits over
25 mm are to be hot bent by an approved method.

3.6 EMBEDDED CONDUITS

A. Conduits In Concrete Slabs: Place conduits parallel or at right angles to main reinforcing steel, between
bottom reinforcing and top reinforcing steel. Fasten conduits to reinforcing steel by positive wire,
fasteners at the proper distance from the concrete face. Embedded conduit diameter is not to exceed 1/3
of slab thickness. Special cases shall be referred to Engineer.

B. Conduits In Partitions or Side Walls: Horizontal or cross runs are to be avoided.

C. Pull-boxes are not to be used. If unavoidable, pull-boxes may be approved if located inconspicuously.

D. Conduits in floor of beds on grade: Encase in concrete, minimum thickness 50 mm or to thickness

allowed by architectural detail.

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E. PVC conduits in reinforced concrete structures are generally to be installed after placing reinforcement
and before concreting, if protected against damage, or are to be placed in grooves formed in the concrete,
if approved.

3.7 EXPOSED CONDUITS

A. Conduits on walls are to be run neatly, horizontally or vertically.

B. Supports: Use approved clamps, hangers or clips fastened by machine screws to expansion sleeves in
inserts or to lead anchors.

C. Spacing of clamps or clips for supporting steel conduits is not to be greater than:

Conduit Size Maximum Spacing of Supports

mm metres 20 3.00
2. 25 3.60
3. 32-38 4.25
4. 50-63 5.00
5. 75 and larger 6.00

D. Spacing of clamps or clips for supporting PVC conduits is not to be greater than:

Conduit Size Maximum Spacing of Supports

mm metres

Conductors Rated
more than 60 deg.C
1. 20 0.60
2. 25-50 0.75
3. 63-75 0.90
4. 90-125 1.00
5. 150 1.25

E. Bends and Fittings: Firmly fasten conduit at each side of bends and within 900 mm of each outlet box,
junction box, cabinet or fitting.

F. Outlets: Do not run more than the permissible numbers of conduits to any surface wall outlet.

G. Exposed conduit work is to be installed so as not to interfere with ceiling inserts, lights or ventilation
ducts or outlets.

3.8 CABLE TRUNKING

A. Installation: Secure trunking of all sizes at intervals not exceeding 1200 mm. Joints are not to overhang a
fixing by more than 500 mm.

B. Trunking passing through walls and ceilings is to have the cover fixed solidly for 25 mm either side of
walls and for 150 mm either side of floors and ceilings.

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C. Vertical sections of trunking over 900 mm long are to have staggered insulated tie-off studs to support
weight of cables.

D. Cabling Provisions: Separation of power, low current and control circuits is to be by two channel trunking
or by barriers inserted in trunking before installation of cables. Cable retaining straps are to be provided
at not more than 600 mm centers. Openings in front of trunking are to facilitate drawing-in cables.

E. Coupling: Trunking parts are to be mechanically and electrically coupled without causing abrasion to
wiring.

F. Earthing: Do not use metal trunking as earth continuity conductor. Provide protective conductor in
accordance with Division 16 Section "Grounding and Bonding" of the Specification.

3.9 UNDERGROUND DUCTS

A. Lay and assemble ducts in accordance with Division 2 Section "Underground Ducts and Utility
Structures".

3.10 PROTECTION

A. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and Installer,
that ensure coatings and finishes are without damage or deterioration at the time of Substantial
Completion.

1. Repair damage to galvanized finishes with zinc-rich paint recommended by manufacturer.

2. Repair damage to PVC or paint finishes with matching touchup coating recommended by
manufacturer.

3.11 CLEANING

A. On completion of installation, including outlet fittings and devices, inspect exposed finish. Remove
burrs, dirt, and construction debris and repair damaged finish, including chips, scratches, and abrasions.

END OF SECTION 16130

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SECTION 16139 - CABLE TRAYS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes cable trays, cable ladders and related installations and accessories necessary to
support and protect cables, feeders, sub-feeders, branch circuit wiring and wiring of low current systems,
communications and signal cables.

B. Related Sections include the following:

1. Division 7 Section "Through-Penetration Firestop Systems" for fire stopping materials and
installation requirements.
2. Division 16 Section "Basic Electrical Materials and Methods" for cable tray / ladder supports not
specified in this Section.

1.3 SUBMITTALS

A. Technical Data: Submit data for approval including, but not limited to, the following:

1. Manufacturers' catalogues with specifications of cable trays / ladders and related accessories.
2. Samples of each type of tray / ladder and accessory.

B. Shop and Construction Drawings: Submit drawings for approval including, but not limited to, the
following:

1. Detail fabrication and installation of cable tray / ladder, including plans, elevations, and sections
of components and attachments to other construction elements. Designate components and
accessories, including clamps, brackets, hanger rods, splice-plate connectors, expansion-joint
assemblies, straight lengths, fittings and earthing connections.

C. Coordination Drawings: Include floor plans and sections drawn to scale. Include scaled cable tray /
ladder layout and relationships between components and adjacent structural and mechanical elements.

D. Design Calculations: Verify loading capacities for supports.

E. Maintenance Data: For cable trays to include in the maintenance manuals specified in Division 1

1.4 QUALITY ASSURANCE

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A. Source Limitations: Obtain cable tray components through one source from a single manufacturer.

B. Comply with related BS Standards.

1.5 PROJECT CONDITIONS

A. Existing Utilities: Do not interrupt utilities serving facilities occupied by the Employer or others unless
permitted under the following conditions and then only after arranging to provide temporary utility
services according to requirements indicated.

1. Notify Engineer not less than 2 days in advance of proposed utility interruptions.
2. Do not proceed with utility interruptions without Engineer's written permission.

1.6 COORDINATION

A. Coordinate layout and installation of cable tray / ladder with other installations.

1. Revise locations and elevations from those indicated as required to suit field conditions and as
approved by the Engineer.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 CABLE TRAYS AND LADDERS

A. Components: To include cable trays or ladders (as shown on the Drawings), bends, elbows, tees,
couplings and plates, rubber grommets, hangers, bracket supports and other system accessories required
for safety and protection of the cable installations.

B. Trays: Provide to carry the maximum load of cables with a factor of safety 300%.

C. Trays: Heavy gauge perforated sheet steel, hot-dip galvanized after manufacture, minimum 1.5 mm thick,
with sides not less than 45 mm deep, and as shown on drawings. Fittings are to be same material as tray.
Covers, where shown on the Drawings, are to be minimum 1.0 mm thick galvanized sheet steel, Snap-On
or bolt type, forming a rigid assembly with the tray.

D. Ladders: to be hot-dip galvanized after manufacture, fabricated from 2mm mild carbon steel. Ladder side
channels are to be minimum 127 x 32 mm, strengthened by reinforcing inserts for torsional rigidity.
Rungs are to be slotted to take cable cleats or ties and conduit clamps. Rungs are to be minimum
50 x 25 mm channels, spaced at 300 mm centers.

E. Galvanizing to be in accordance with BS EN ISO 1461 (335 g/m2), applied after fabrication.

F. Bolts and Screws: Cadmium plated or electrolytically galvanized.

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G. Coating applied to cable tray or cable ladder is to be applied after priming coat.

H. Sizes: Trays and ladders are to be standard metric sizes, 300, 600 and 900 mm wide, and at least 2.4 m
length of section. Size of tray or ladder is to be determined by number and sizes of cables in accordance
with the Regulations and / or as shown on the Drawings. Tray or ladder is to have strength and rigidity to
provide support for cables contained within. Deflection between supports is not to exceed 1/350 under
full loading capacity.

I. Earthing connector for plastic coated trays or ladders is to be provided on each coupling between adjacent
sections.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install cable tray / ladder level and plumb according to manufacturer's written instructions, Coordination
Drawings, original design, and referenced standards.

B. Each run is to be completed before installation of cables.

C. Remove burrs and sharp edges from cable trays / ladders. Fix trays / ladders using approved suspension
rods or steel angle brackets at spacing not exceeding 1.5 m and generally as shown on the Drawings.

D. Cables: Secure to tray / ladder with purpose made straps or saddles and arrange in one layer only, evenly
spaced, or as shown on the Drawings, with minimum spacing of one diameter of the larger of the two
adjacent cables or of a trefoil formation of single core cable circuit.

E. Fasten cable tray / ladder supports securely to building structure as specified in Division 16 Section
"Basic Electrical Materials and Methods," unless otherwise indicated.

1. Design supports, including fastenings to the structure, to carry the greater of the calculated load
multiplied by a safety factor of 4. Submit calculations for approval.

F. Make connections to equipment with flanged fittings fastened to cable tray / ladder and to equipment.
Support cable tray / ladder independently of fittings. Do not carry weight of cable tray / ladder on
equipment enclosure.

G. Install expansion connectors where cable tray / ladder crosses a building expansion joint and in cable tray
/ ladder runs that exceed 27 m. Make changes in direction and elevation using standard fittings.

H. Make cable tray / ladder connections using standard fittings.

I. Locate cable tray / ladder above piping, unless accessibility to cable tray / ladder is required or unless
otherwise indicated.

J. Seal penetrations through fire and smoke barriers according to Division 7 Section "Through-Penetration
Firestop Systems."

K. Sleeves for Future Cables: Install capped sleeves for future cables through fire stopping-sealed cable tray
/ ladder penetrations of fire and smoke barriers.

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L. Workspace: Install cable trays / ladders with sufficient space to permit access for installing cables.
Minimum clearance of 250 mm is to be maintained between top of tray / ladder and ceiling, beams and
other services and between tray / ladders in multi-tier formation.

M. Barriers: Where tray / ladders carry conductors of different systems, such as power, communications and
data processing, or different insulation levels, such as 600V, 5000V, and 20, 000 V use separate cable
tray / ladders. In case of absolute necessity, install insulating barriers to separate the systems after
obtaining the Engineer’s approval.

N. Install covers after installation of cable is completed.

3.2 CONNECTIONS

A. Ground cable trays / ladders according to manufacturer's instructions.

1. Tighten electrical connectors and terminals according to manufacturer's published torque-

tightening values.

3.3 WARNING SIGNS

A. After installation of cable trays / ladders is completed, install warning signs in visible locations on or near
cable trays / ladders.

3.4 FIELD QUALITY CONTROL

A. Grounding: Test cable trays / ladders to ensure electrical continuity of bonding and grounding
connections.

B. Grounding: Do not use metal trays / ladders as earth continuity conductor. Connect trays / ladders by
flexible tinned copper straps to nearest bare earthing conductor and at maximum 30-m spacing.

C. Anchorage: Test pullout resistance for toggle bolts and powder-driven threaded studs for each type and
size of anchorage material.

1. Furnish equipment, including jacks, jigs, fixtures, and calibrated indicating scales, required for
reliable testing.
2. Obtain Engineer's approval before transmitting loads to the structure. Test to 90 percent of rated
proof load for fastener.

D. Replace malfunctioning units.

3.5 CLEANING

A. On completion of cable tray / ladder installation, including fittings, inspect exposed finish. Remove
burrs, dirt, and construction debris and repair damaged finishes, including chips, scratches, and abrasions.

3.6 PROTECTION

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A. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and Installer
that ensure cable tray / ladder is without damage or deterioration at the time of Substantial Completion.

1. Repair damage to galvanized finishes with zinc-rich paint recommended by cable tray / ladder
manufacturer.
2. Repair damage to PVC or paint finishes with matching touchup coating recommended by cable
tray / ladder manufacturer.

END OF SECTION 16139

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SECTION 16140 - WIRING DEVICES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes wiring devices, lighting switches, socket outlets, cord outlets, automatic and
manual lighting control equipment, dimmers, outlet boxes and plates, etc.

B. Components are to be standard manufactured items, uniform and modular, complying with one set of
approved Standards.

C. Related Sections include the following:

1. Division 16 Section "Basic Electrical Materials and Methods".

2. Division 16 Section "Raceways and Boxes" for boxes.

1.3 SUBMITTALS

A. Technical Data: Submit data for approval, including catalogues, detailed literature, manufacturer's name,
catalogue number, rating, specification, overall dimensions and special features, as applicable for each
item.

B. Shop and Construction Drawings: Submit drawings for approval including, but not limited to, the
following:

1. Exact indication of position of each item and outlet box and fitting on layout drawings, with box
and equipment types and sizes.
2. Installation details of special devices including fans etc.
3. Wiring diagrams of special items.

C. Samples: Submit samples of each type of device for approval, unless otherwise agreed in writing by the
Engineer.

D. Maintenance Data: For materials and products to include in maintenance manuals specified in Division 1.

1.4 QUALITY ASSURANCE

A. Comply with related Standards.

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1.5 EXTRA MATERIALS

A. Furnish [2][Other] % (with minimum of one each) extra materials for all products that match those
installed and that are packaged with protective covering for storage and identified with labels describing
contents. Deliver extra materials to Employer.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 PLATES, GENERALLY

A. Blank Plates: Blank plates are to be installed on outlet boxes, specified under Division 16 Section
"Raceways and Boxes", on which no apparatus is installed or where apparatus installed does not have
suitable cover for box. Blank plates for wall outlets are to be attached by a bridge with slots for horizontal
and vertical adjustment.

B. Floor outlets and plates are to be watertight and impact resistant.

2.3 PLATES AND CORD-OUTLETS

A. Design: Square, rectangular or round designed to cover outlet box and to closely fit electrical device, and
with polished chromium plated recessed head fixing screws. Combination plates are to be used for
grouped outlets and devices.

B. Cord extension plates are to have threaded cord grip bushings of same material and finish as plates.

C. Plastic Plates: Heavy gauge, break resistant, pressure molded plastic, [Insert Color] color, for general
use in [Insert Area].

D. Stainless Steel Plates: Heavy gauge, pressed stainless steel, satin finish, minimum 1 mm thick, for use in
[Insert Area].

E. Cable/cord outlet (flex outlet) is to be used for up to 45 A, 250 V rating for connection of power/control
cable of fixed appliances. Plate is to have threaded cord grip to anchor cable securely to cover. Box is to
include fixed terminal block and cable clamp for termination of cable/cord within.

F. Electrical outlet is to consist of outlet box, coverplate, and necessary accessories ready for connection to
cable of fixed appliances.

G. Lighting outlet is to consist of outlet box, coverplate, and necessary accessories ready for connection to
lighting fixture.

H. Ceiling rose: similar to lighting outlet equipped with a decorative element affixed to the ceiling from
which a chandelier or lighting fitting is suspended. Ceiling rose to comply with BS 67.

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2.4 SWITCHES

A. Generally: Quick-make, quick-break type with silver alloy contacts in arc resisting molded base, with
toggle, rocker or push-button as specified, for inductive or resistive loads up to full rated capacity, and
arranged for side and/or back connection.

B. Types: Single, two-way or intermediate, single pole or double pole, as shown on the Drawings.

C. General Lighting Switch (S1): [Insert Amps] A, 240 V a.c., rocker operated, grid-switch with [Insert
Plate Type] plate, for indoor installations in general, unless otherwise indicated.

D. Push Button Switch (S2): As type (S1) but with push button control (push to make, push to break).

E. Pull Cord Switch (S3): Ceiling or wall mounted, as shown on the Drawings, molded material with nylon
cord [Insert Length] m long.

F. Remote Lighting Control Panel For Contactor Control: Multiple two way momentary on/off push switch
assembly, with an 'on' pilot light for each circuit controlled (remote contactor). Panel and box are to be
sheet steel construction, with see-through steel-framed acrylic door and trim, handle and lock. Enclosure
protection IP 42 to IEC 60947-1 for indoor installation and IP 55 for outdoor installation.

2.5 SOCKET OUTLETS

A. Generally: To have injection molded plastic base with self-adjusting, non-expanding contacts to prevent
permanent distortion, arranged for side and/or back connection and with screw terminals accepting at
least three parallel branch-circuit wires.

B. Types: General-purpose socket outlets are to conform to standard [Insert Standard] practice.

C. Duplex sockets are to be mounted in parallel under one common plate with break-off feature for two-
circuit connection.

D. Weatherproof socket outlets are to be any of the types indicated, enclosed in surface mounted cast metal
box and with cover comprising spring-retained gasket hinged flap. Enclosure is to be pre-designed box
and cover for type of socket outlet specified.

E. Standard British Socket Outlet - Type R01 (220 V SERVICE): To BS 1363, polarized, grounding type,
with three rectangular pin-holes (two poles and earth), rated 13 A, 250 V, switched, with robust shutter
mechanism operated by earth pin, used in [Insert Area], indoors.

1. Man: M.K./honeywell
2. Ref: (Logic Phrx K2757)

F. Standard British Socket Outlet - Type R03: As type R01, but without switch.

G. Weatherproof Socket Outlet - Type R05 (220 V SERVICE): 13 A, 250 V, 2 pole plus earth, to BS 1363,
enclosed in surface mounted cast-metal box and with cover comprising spring- retained gasket hinged
flap.

1. Man: M.K./Honeywell
2. Ref: (56480 GRY)

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H. Standard American Socket - Type R11: Composition base, single outlet, single phase, two pole, three
wire, 20 A, 125 V specification grade for polarized plugs with U-shaped grounding slot, green terminal
screw for grounding and flat parallel pins:

1. Man: [Insert Reference]

2. Ref: [Insert Reference]

I. Standard American Socket - Type R12 (127 V SYSTEM): Identical to type R11, but duplex outlet.

J. Standard American Socket - Type R13: As type R11, but 15 A, 250 V and with flat pins in same plane.

K. Standard American Socket - Type R15: As type R11, but with switch.

L. Standard European Socket - Type R21: Single phase, two wire, for plug with 3 mm round pins at 19 mm
centers, with grounding in accordance with standard [Insert Country] practice and rated 10/15 A, 250 V
a.c.

M. Standard European/American Socket - Type R31: Single phase, two-wire, to accept standard American
and European two pin plugs, without grounding and rated 10/15 A, 250 V a.c.

N. Power Socket - Type R41: Single outlet, single phase, three wire, 30 A, 250 V, polarized with L-shaped
earth contact, splash proof molded cast metal plate and matching plug.

O. Industrial Socket Outlet - Type R44: 3 phase, 32 A, 3P+N+E, 380-415 V, single, with aluminum alloy
enclosure, interlocked switch and matching plug.

1. Man: M.K./Honeywell
2. Ref: 9241 RED

P. Power Socket Outlet - Type R45 (380 V SERVICE): Single outlet, 3P+E, 3 phase, polarized, earthing
type, rated 32 A, 380/415 V, to IEC 60309, with splash proof cast metal box and hinged spring-return
plate, and with matching plug 3P+E.

1. Man: Legrand (Prisinter style) or M.K. 9237 RED

2. Ref: 59457

Q. Power Socket - Type R46: Single outlet, 3 phase, polarized, earthing type, rated 45 A, 440 V, with four
pin holes, splash proof cast metal plate and matching plug. Socket is to be switched and locking with
contact made by inserting plug, turning 1/8 turn while switch is off, then switching on. It is to be
impossible to remove plug while switch is on, and earth pin is to remain in contact at all times plug is
inserted.

R. Industrial Sockets Outlet - Type R47: 3 phase, 63 A, 3P+N+E, 380-415 V, single, with aluminum alloy
enclosure, interlocked switch and matching plug.

1. Man: M.K./Honeywell
2. Ref: 9269 RED

S. Industrial Socket Outlet - Type R49: 3 phase, 125 A, 3P+N+E, 220 - 250 V, single, with aluminum alloy
enclosure, interlocked switch and matching plug.

1. Man: M.K./Honeywell

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2. Ref: 9192 RED

2.6 PLUGS

A. Type: Compatible with type of socket outlet specified, break resistant, of impact resistant molded
insulating material (separable construction), with solid brass pins and cord grip and of shape Providing
Easy Hand-Grip For Removal.

B. Quantity: Supply number equal to 20% of total number of each type of socket outlet supplied.

C. Fuses for standard British type sockets are to be standard 13 A cartridge fuses fitted in plug.

2.7 SPECIAL DEVICES

A. Lighting Contactors

1. Type: Double pole for single phase and neutral circuits, and triple or four-pole for three phase
circuits, mechanically held, electrically operated, rated 500 V, of current ratings shown on the
Drawings, and complying with the appropriate category of IEC 60947-4-1 Table 1.

2. Contacts: Copper alloy, with silver cadmium alloy double break contacts designed for switching
inductive ballast loads and switching of tungsten lamp loads.

3. Auxiliary Contacts: As required to provide specified interlocks and signals as shown on the
Drawings, or required by the Specification, with one N.O. and one N.C. spare contacts.

4. Enclosure: Unless forming part of system housed in sheet steel panel, contactor is to be provided
with IP 42 enclosure for indoor use or IP 65 enclosure for outdoor use.

5. Control: Each contactor whether part of a system or separately enclosed is to have on/off pilot
lights and set of on/off push buttons mounted on cover.

B. Photoelectric Cells

1. Photoelectric Cells: Omnidirectional cadmium sulfide, hermetically sealed, with 2:1 on/off
adjustment possible by moving light level selector, set to operate at illuminance levels shown on
the Drawings. Unit is to include timer giving 3-minute delay to prevent false switching.
Temperature range is to be -10 deg. C to +80 deg. C.

2. Safety: Control is to be designed such that in case of failure, unit fails in the on position.

3. Contacts are to close or open as illumination level increases to set level with respect to
requirements shown on the Drawings.

4. Enclosure: Heavy duty cast metal, with translucent dome of 'Lexan' (by G.E.) or other equal and
approved, to protect against high ultra violet rays, and 180 deg. swivel base and 16 mm threaded
conduit mounting. Enclosure is to be weatherproof and protected against high winds and storms.

C. Dimmers for Incandescent or Fluorescent Lamps

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1. Generally: Dimming control is to be suitable and rated for type and number of lamps indicated on
the Drawings, and is to be electronic with thyristor control of the start of each alternating current
flow.

2. Variation Of Luminous Intensity: Smooth over continuous dimming range from 1% for
incandescent lamps, and from 5% for fluorescent lamps, up to 100% intensity or full normal
brightness.

3. Components are to be designed, rated and installed so that dimmer operates continuously at any
setting. Components are to be installed in separate enclosure or as part of dimmer control panel as
indicated on the Drawings.

4. Fluorescent Dimming: Control systems are to be coordinated design, electronic, used with
electronic ballasts specified for dimming, whether for standard type preheat 38 mm conventional
fluorescent tubes or 26 mm tri-phosphor tubes.

5. Remote control is to be arranged so that control can be made either local at dimmer or local and
remote at positions indicated on the Drawings.

D. Time-Switch

1. Type And Rating: Clock is to be escapement mechanical type, electrically rewound, with 24 hours
dial and time adjustment and rated 10 A, 250 V.

2. Spring reserve mechanism is to allow up to 12 hours operation in the event of power failure.

3. Switching is to be capable of performing two on and two off operations, adjustable, over 24 hours.

E. Remote Lighting Relay Control System

1. Remote Lighting Relay Panel (RLRP): Comprise set of heavy duty long life service relays, rated
20 A, [Insert Voltage] V a.c. for switching tungsten or fluorescent lighting loads, SPST
maintained (mechanically latched), with 24 V a.c. split-coil (1/2-on and 1/2-off) for control by
remote push button on/off switches, via 24 V control transformer.

2. Push Button Switch (LS): SPDT, momentary contact, normally open switch with pilot light and
red jewel Lens, Rated 3 A, 25 V A.C.

3. Master Selector Switch Panel (MSSP): Comprise set of push button switches type (LS),
assembled in one unit comprising box and cover, with individual switch per circuit controlled, and
one master switch for all-circuit control.

4. System is to allow local and remote centralized switching of group of lighting circuits and from
any number of individual points. System is to use low voltage (low current) control circuitry to
operate relay switches on branch circuits.

5. Manufacturers: System is to be by G.E. Remote Control Products or other equal and approved.

F. Contactor Control Panels In Connection With CCMS

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1. General: Control panels are to be of equivalent construction to panel boards with respect to cabinet
and interior standards of manufacture, and are to be surface mounted with see-through door and
lock.

2. Construction: Non-standard modular, factory assembled cabinets, designed to receive appropriate

contactors, measuring devices, terminals, relays and the like as required in conformity with the
Drawings for operation of system locally and remotely from central control and monitoring system
(CCMS) console.

3. Control: Switching relays controlled remotely by the CCMS are to be provided with over-riding
manual local individual controls. Appropriate interface components are to be provided and
coordinated with the CCMS described elsewhere in the Specification.

4. Relays, switching components, pilot lights, control transformers, fuses etc. are to be neatly
arranged and mounted inside dust-tight and, where necessary, water-tight cabinets. Control and
indication devices are to be continuously visible and accessible for monitoring and control.

5. Equipment is to be electrically front shielded and enclosed by sheet metal barriers, readily
accessible and demountable. Wiring is to be neatly arranged, clipped and terminated in pressure
type terminals. Hardware is to be non-corroding and robust material, approved by the Engineer.

6. Control panels are to incorporate three ammeters, one per phase for local readings.

7. Current transformers are to have auxiliaries to enable connection to CCMS.

8. Contactors are to be of the appropriate category, Table 1 to IEC 60947-4-1 generally as described
under paragraph 2.6A hereof. Each contactor is to be protected by an equally rated circuit breaker
of suitable short-circuit capacity at point of application.

9. Overcurrent relay is to be provided with all other accessories. Upon detecting fault on monitored
control panel, corresponding plug-in breaker unit is to trip, and fault signal is to be sent to CCMS.

10. Instrument and instrument transformers are to be provided as required and/or as indicated on the
Drawings.

11. Current Transformers: Bar primary type to IEC 60044-1 class 0.5 for metering. Current rating is
to be the next higher standard value above maximum demand load current.

12. Ammeters and Voltmeters: Long scale, switchboard type, with shadow proof covers for semi-flush
mounting. Meters are to be approximately 100 mm square with scale covering approximately 250
degrees.

13. Voltmeter Selector Switches: Rotary type with cam operated contacts, and having 7 positions (off,
R-Y, Y-B, B- R, R-N, Y-N, B-N).

14. Test blocks and plugs are to be provided for testing all instruments and instrument transformers.

G. Door Entrance Systems

1. Door Bell Push Button: Momentary contact, low voltage, with illuminated label holder under
glassene, flush box and stainless steel plate, and electronic microphone for two-way
communication.

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2. Chime: Electronic, with built-in double-wound transformer, 8V - 12V secondary protected by

fuses; primary voltage to correspond with building power supply voltage at location. Chime is to
be two-tone, double insulated, 80 dB at 1-m distance, adjustable output. It is to be possible to
operate chime by 9 V alkaline battery.

3. Wiring: Minimum 1 mm2, PVC insulated copper conductor, run in separate conduit from all other
services. Multi-core cable to each apartment is to be supplied as required by system.

4. Multi push button outdoor station is to comprise flush wall box, anodized aluminum front plate
gasket to box, with number of push buttons and corresponding illuminated labels shown on the
Drawings, and with electronic microphone unit (talk and listen), amplifier, transformer and power
package with output at [Insert Voltage] V d.c. operated from building power supply.

5. CCTV Door Entry Kit is to comprise fixed adjustable focus and tilt video camera and ambient
lighting device, in addition to the call button and label holder.

6. Indoor Apartment Receiver Unit: Wall mounted, with built-in chime, intercom handset, door
release push button, and push-to-talk button.

7. Indoor Apartment CCTV Unit: Wall mounted, with built-in chime, intercom handset, door release
push button, 4.5-inch TV monitor (picture dimensions 93 x 74 mm), with contrast and brightness
buttons and press-to-talk button. Upon pressing outdoor station button, camera's ambient lighting
device is to switch on the camera. Image of visitor is to immediately appear on TV monitor when
push-to-talk button is pressed, and is to switch off automatically 90 seconds after release of button.

8. Door Release: Weather-proof, suitably designed for left or right opening, fitted with manual
release and key lock, and operated from low voltage supply (8V - 12V d.c.)

PART 3 - EXECUTION

3.1 INSTALLATION

A. Locations: Drawings generally show approximate locations of outlets and equipment. Exact locations are
to be determined from interior finishing and detail drawings. Any condition that would place an outlet in
an unsuitable location is to be referred to the Engineer. Locate switches at strike sides of doors, whether
shown on the Drawings or not. In locating outlets allow for overhead pipes, ducts, variations in
arrangement, thickness of finishing, window trim, paneling and other engineering features.

B. Mounting heights for outlet boxes and similar equipment are to be uniform within the same or similar
areas. Mounting is to be as shown on the Drawings or as approved by Engineer. Unless otherwise shown
or instructed, mount lighting switches and socket outlets generally at 1200 mm and 300 mm from finished
floor level respectively. Mount switches with long dimension vertical and operating handle, if of the
toggle type, up when in the on position.

C. Additional outlets to those shown on the Drawings are to be provided as required by equipment
manufacturers for control or other wiring.

D. Recessed Outlet Boxes: Make neat openings, to the satisfaction of the Engineer, allowing for thickness of
finishing, and use extension rings if required. Repair damaged finishing to original condition before
installation of fittings or plates.

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E. Appearance: Install exposed boxes and plates plumb, square and parallel to finished wall surface.
Exposed plates covering recessed boxes are to rest neatly on wall surface without gaps, and fully covering
the box.

F. Grouped Outlets: Arrange neatly so that use of fittings is convenient and clear.

G. Waterproof and Explosion-Proof Fittings: Follow manufacturer's instructions for installation and
connection to conduit system to fully achieve required degree of protection.

H. Damaged Fittings: Reject damaged fittings or plates with damaged finish. Protect fittings and plates
against damage after installation and until handed over.

3.2 IDENTIFICATION

A. Comply with Division 16 Section "Basic Electrical Materials and Methods."

1. Switches: Where three or more switches are ganged, and elsewhere as indicated, identify each
switch with approved legend engraved on wall plate.
2. Receptacles: Identify panel board and circuit number from which served. Use machine-printed,
pressure-sensitive, abrasion-resistant label tape on face of plate and durable wire markers or tags
within outlet boxes.

3.3 CONNECTIONS

A. Single pole switches are to switch the phase wire. Do not run neutral wire through switches having
neutral shunt or bridge.

B. Exposed Outlet Boxes: Securely fasten to wall with machine screws to permanent inserts or lead anchors.

C. Connection Of Appliances:

1. Where appliance is designed to adapt directly to outlet box, extend electrical wiring to incoming
terminals inside appliance.
2. Where appliance is not designed to adapt to outlet box, install the connecting wiring in flexible
conduit firmly fixed to outlet box cover plate and to terminal box on appliance.

D. Tighten electrical connectors and terminals according to manufacturers published torque-tightening

values.

3.4 FIELD QUALITY CONTROL

A. Visual Inspection: Fittings and equipment are to be inspected for fixing and workmanship.

B. Megger tests are to include switch and socket outlet tests together with insulation resistance of wiring
installations.

C. Operation: Devices are to be tested for operation and are to perform as intended at full load without any
signs of heating.

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D. Equipment is to be insulation tested and observed, under full-load for not less than 3 days operation, with
respect to undue heating and performance in general.

3.5 CLEANING

A. Internally clean devices, device outlet boxes, and enclosures. Replace stained or improperly painted wall
plates or devices.

END OF SECTION 16140

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SECTION 16242 - STATIC UNINTERRUPTIBLE POWER SUPPLY

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

B. Related Sections include the following:

1. Division 16, Section "Basic Electrical Materials and Methods".

2. Division 16, Section "Grounding and Bonding".
3. Division 16, Section "Conductors and Cables".

1.2 SUMMARY

A. This Section includes, on-line, static-type, continuous duty, solid state, double conversion
uninterruptible power supply (UPS) system installation and static transfer switch, comprising the
following:

1. Complete rectifier/charger-battery-inverter system with 100% rated for continuous

automatic static switch and maintenance by-pass circuit
2. Input harmonic filter.
3. Output isolation transformer.
4. Power conditioner
5. Interplant power and control cabling
6. Connection of normal A.C. power from assigned terminals/switch/circuit breaker, as shown
on the Drawings
7. Earthing system.
8. Connection to BMS system for full monitoring, including interface elements such as relays,
transducers, etc. as detailed in BMS schedules and /or shown on the Drawings.

1.3 DEFINITIONS

A. EMI: Electromagnetic interference.

B. LCD: Liquid-crystal display.

C. LED: Light-emitting diode.

D. UPS: Uninterruptible power supply.

1.4 SUBMITTALS

A. Equipment Data: Submit full technical data of equipment for approval including, but not limited
to, the following:

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1. Manufacturers’ catalogues, detailed description, compliance with the Standards,

dimensions and weights, system operation, operating characteristics, methods of operation,
protective and control provisions, heat losses, ambient conditions and limitations on
electronic components etc. beyond which such components may suffer partial or permanent
damage.

B. Shop and Construction Drawings: Submit drawings for approval including, but not limited to, the
following:

1. Plans and front and side elevations, with indication of built-on control and indicating
devices and instruments, exact dimensions and weights, cabling etc.
2. One-line diagram with ratings of each piece of equipment, cabling, grounding etc.
3. Control and elementary diagrams, wiring diagrams and the like.
4. Installation and mounting details.
5. Batteries arrangement and mounting details.

C. Point-wise compliance statement to the specifications, duly signed by the manufacturer /

manufacturer’s authorized representative and the contractor.

D. Manufacturer Certificates: Signed by manufacturers certifying that they comply with

requirements.

E. Qualification Data: For firms and persons specified in "Quality Assurance" Article.

F. Test Certificates: Submit type test and routine test certificates. System is to undergo a functional
and load test program approved by the Engineer, and is to undergo a minimum 8 hours 'burn-in'
test, under site simulated conditions, prior to shipment.

G. Field Test Reports: Indicate test results compared with specified performance requirements, and
provide justification and resolution of differences if values do not agree.

H. Maintenance Data: For UPS units to include in maintenance manuals specified in Division 1.
Include the following:

1. Lists of spare parts and replacement components recommended being stored at Project site
for ready access.
2. Detailed operating instructions covering operation under both normal and abnormal
conditions.

1.5 QUALITY ASSURANCE

A. Manufacture’s Certification: The manufacturer is to be specialized in manufacturing of on line,

double conversion three phase UPS modules specified in this document with a minimum of twenty
years documented experience and with a nationwide first party service organization. The
manufacturer shall be ISO 9001 certified and shall design to internationally accepted standard.

B. Factory Testing: Prior to shipment the manufacturer is to complete a documented test procedure to
test all functions of the UPS modules and batteries (via a discharge test), when supplied by the
UPS manufacturer and guarantee compliance with the specification. [The factory test is
performed in the presence of the engineer]. The manufacturer is to provide a copy of the test
report upon request. Tests are to comply to IEC 62040-3 and include but not necessarily limited to
the following:

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1. Light load test.

2. AC input failure test.
3. AC input return test.
4. Transfer test.
5. Full load test.
6. UPS efficiency test.
7. Unbalanced load test.
8. Balanced load test.
9. Short-circuit test.
10. Harmonic components test.

C. Materials and Assemblies: All materials and parts comprising the UPS are to be new, of current
manufacture, and have not been in prior service, except as required during factory testing. All
active electronic devices are to be solid state and not exceed the manufacturers recommended
specified tolerances for temperature or current to ensure maximum reliability. All semiconductor
devices are to be sealed. All relays are to be provided with dust covers. The manufacturer is to
conduct inspection on incoming parts, modular assemblies, and final products.

D. Installer Qualifications: Experienced installer who is an authorized representative of UPS

manufacturer for both installation and maintenance of units required for this Project.

E. Local Representative: Provide evidence that proposed equipment manufacturer has a locally
established and authorized organization which can be called upon for professional advice and
maintenance as may be required, and which can immediately supply spare parts to support day to
day and emergency maintenance requirements. Failure to satisfy Engineer may disqualify a
manufacturer.

F. Standards: Installation is to comply with the following standards:

- IEC 62040-1,2&3 “Uninterruptible Power Systems”.

- IEC 61000-3-4 “Electromagnetic compatibility (EMC) - Part 3-4: Limits - Limitation of

emission of harmonic currents in low-voltage power supply systems for equipment with rated
current greater than 16 A”.

- IEC 61000-4 “Electromagnetic compatibility (EMC) – Testing and Measurement Techniques”.

- IEEE 485 “IEEE Recommended Practice for Sizing Lead-Acid Batteries for Stationary
Applications”.

- IEC 62310 “Static Transfer Systems”.

- IEC 61000-3-2 “Electromagnetic compatibility (EMC) - Part 3-4: Limits - Limitation of

emission of harmonic currents in low-voltage power supply systems for equipment with rated
current greater than 16 A”.

- IEC 61000-3-3 “Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage
changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment
with rated current ≤16 A per phase and not subject to conditional connection”.

- IEC 61000-6-2 “Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity
for industrial environments”.

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- IEC 61000-6-3 “Electromagnetic compatibility (EMC) - Part 6-3: Generic standards - Emission
standard for residential, commercial and light-industrial environments”.

Materials and components are to be manufacturer's latest design, and Standards used are to be approved
prior to manufacture.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver equipment in fully enclosed vehicles after specified environmental conditions have been
permanently established in spaces where equipment is to be placed.

B. Prior to shipping all products are to be inspected at the factory for damage.

C. Store equipment in spaces with environments controlled within manufacturers' ambient

temperature and humidity tolerances for non-operating equipment.

D. Equipment containing batteries are not to be stored for a period exceeding 3 months without
powering up the equipment for a period of 8 hours to recharge the batteries. . Relevant Certificate
for the batteries production date are to be submitted to the engineer.

1.7 PROJECT CONDITIONS

A. Temperature limits within which equipment is to be designed to operate are zero to +40 deg. C at
100% rated output. Equipment is to be capable of operating under up to 55 deg. C ambient
conditions with derating factor of 1.25% per deg. C over 40 deg. C.

1.8 WARRANTY

A. Manufacturers Warranty: Submit a written warranty signed by the manufacturer agreeing to repair,
restore or replace any defective equipment specified in this section during the specified warranty
period

1. Warranty Period: 1 year from date of substantial completion.

B. Battery: The battery manufacturer’s warranty is to be passed through to the final customer and
shall have a minimum period of one year.

1.9 EXTRA MATERIALS

A. Spare Parts: Provide and deliver to client stores manufacturer's recommended spare parts for one
year operation of UPS system. Spare parts are to include as a minimum complete set of fuses for
all types and ratings along with cooling fans.

B. Provide list of manufacturer's spare parts for five years operation together with current prices.

C. Tools and Instruments: Provide tools and instruments required for normal routine inspection,
testing, operation and general maintenance, as recommended by the manufacturer.

1.10 MAINTENANCE SERVICE

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A. Initial Maintenance Service: Beginning at Substantial Completion, provide 12 months' full

maintenance service by skilled, competent employees of the elevator Installer. Include monthly
preventive maintenance, repair or replacement of worn or defective components, cleaning, and
adjusting as required for proper operation. Use parts and supplies as used in the manufacture and
installation of original equipment.

1. Perform maintenance, including emergency callback service, during normal working hours.
2. Include 24-hour-per-day, 7-day-per-week emergency callback service.
a. Response Time: 2 hours or less.

1.11 FACTORY WITNESS TEST

A. Factory testing units of at least one UPS system of each rating to be supplied is to be witnessed by
the Engineer. Selection of UPS system for witness test is to be randomly carried out by the
Engineer. Witness test is to include complete routine and function testing on all units to be
witnessed. Test procedure and program are to be submitted for approval prior to test conduction.
Factory witness test is to include for business class air tickets, five stars Hotel full
accommodation, transportation and all test expenses.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. UPS Approved Manufacturers: Refer to approved vendor list.

2.2 SYSTEM DESCRIPTION

A. System: UPS system is to be online, continuous duty, double conversion, class VFI-SS-111 to IEC
62040-3.

B. System is to be of the programmable type, microprocessor based with CPU and memory
capabilities for storage of alarms, faults, status change, etc. The UPS shall permit setting
parameters for the environment and type of usage to be specified by the Engineer. UPS is to be of
the self-diagnostic type, equipped with a self-test function to verify correct system operation. The
self-test shall identify the parts of the UPS requiring repair in case of a fault. The system is to be
provided with multi-password levels to limit access to software and data.

C. General: System is to be interposed between normal a.c. power supply and critical load, to secure
a minimum period of continuity of no-break battery back-up for [15] minutes in case of failure of
normal a.c. supply and maintain output voltage, frequency and phase deviation within specified
tolerances.

D. System is to be 100% fully rated, single, dual or “n+1” multi-unit parallel redundant for number
and capacity as shown on drawings; which implies complete UPS unit(s) with minimum two sets
of battery strings operating in parallel for each unit. UPS is to be maintained (continuously
supplying load through the inverter), with automatic no-break transfer to or retransfer from
alternate source (bypass) in case of failure or overload on rectifier- battery-inverter system.
System is to employ decentralized bypass technique so that each UPS unit is to be provided with
its own static bypass transfer switch. Each UPS unit is to be provided with its own master
controller. Master and slave configuration is not acceptable.

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E. Normal a.c. power supply will be available from one protected source fed from either normal a.c.
network or from a.c. Characteristics of output of generator set (when provided) and UPS system
are to be coordinated for best results. Study and advise on special requirements of generator
characteristic output and stability.

F. Redundant Systems: have parallel units interconnected so that normal a.c. power feeds two or
more inverter in parallel, to give required power output at critical load. Load sharing circuits are to
ensure real and reactive load sharing and provide reverse power protection between parallel units.
Full rated capacity of UPS, in case of failure of one of the rectifiers or one of the inverter units is
to be equally shared by other healthy units without overloading these units or disturbing operation.
Separate filters are to be provided for each rectifier/charger unit separately to limit the THD to less
than 7% this applies for all load currents from 0 to 100% of full load.

G. System overall efficiency is not to be less than [97] % at full load and [93] % at half load.

H. Noise level of complete assembly is not to exceed 65dB(A) at 1.0 m distance anywhere within
UPS room.

2.3 SYSTEM OPERATION

A. Under normal conditions inverter(s) are to be synchronized and phase locked to normal a.c.
supply. Upon loss of normal a.c. supply, battery is to continue supply of no-break power to
inverters, which then free-run on self- generated UPS frequency reference. Upon restoration of
normal a.c. supply, inverters are to re-synchronize to a.c. line, gradually (at slew rate), if frequency
and voltage deviation of normal a.c. supply is within preset limits specified.

B. Automatic Transfer To Bypass: Static transfer switch is to automatically transfer critical (100%)
load from inverter to by-pass source (which is normal a.c. supply) if:

1. Inverter output voltage characteristics fall outside specified limits.

2. Critical load exceeds overload rating of UPS.
3. Over-temperature is sensed.
4. Manual (push button) command is given.
5. Transfer to by-pass mode is to be inhibited, and an alarm initiated if voltage, frequency
and/or phase shift of by- pass power is outside acceptable tolerances.

C. Re-Transfer To Inverter: Re-transfer of critical load from auto by-pass source to inverter (UPS
mode) is only to be possible under the following conditions:

1. Inverter output voltage characteristics return to within specified tolerances.

2. Original load current reduces to within rated full load capacity of UPS.
3. Re-transfer selector switch is in automatic position.

D. Lock-out feature is to inhibit re-transfer if by-pass source conditions are outside preset tolerances
or if UPS output and by-pass are not synchronized and phase locked or if UPS output is not
restored to normal conditions.

E. Normal Power Restored: When normal power is restored following an outage, rectifier/charger is
to initially draw no power except for transformer in-rush current. After approximately 15 seconds
(walk-in time), input power requirements are to rise to power level to drive critical load and
recharge battery.

F. Provide maintenance disconnecting switch fully rated to carry the full load input current of the
UPS.

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2.4 SYSTEM CHARACTERISTICS

A. Rectifier/Charger Input:

1. Nominal Input Voltage: 380V, three phase, 4 wire, 50Hz.

2. Voltage input variation: +10%, -15% from nominal.
3. Frequency: +/-5% from nominal.
4. Transformer Exciting Current In Rush: Less than 600 % nominal current.
5. Power Factor: minimum 0.9 lagging at full load and nominal input voltage.
6. Total Feedback Current Harmonics: Maximum 7 % for ups ratings above 20kVA and 8%
for UPS ratings 20kVA and below.
7. Current Limiting: 115% max. of that required to operate inverters and charge battery at
full rated load, adjustment possible between 100% and 125%.
8. Walk-in Current in Rush: 25% to 100% FLC in 15 seconds.

B. Rectifier/Charger Output:

1. Float and Equalize Operation: Adjustable, automatic, compatible with battery.

2. Regulation: +/-1% max. from 0-100% load.
3. Ripple: +/-2% rms. (0 to 100% resistive load).

C. Static Inverters:

1. Nominal net system power output rating in kVA: 40kVA with load power factor 0.8 lag.
2. Nominal output voltage: [380] V, three phase, 4 wire, 50 Hz, adjustable +/-5% of nominal.
3. Output voltage regulation:
a. Balanced load: +/-2% (0 - 100% load)
b. Unbalanced load (3-phase output only): +/-3% (at each 10% of load)
4. Phase Displacement: 120 deg. (+/-3 deg.) at 100% load unbalance.
5. Output Voltage Waveform: 5% max. total harmonic, 3% max. single harmonic.
6. Frequency Stability: Normally synchronized to input line frequency over +/-1 adjustable
ranges; free running at +/-0.5. Full battery voltage variation, load and p.f. range; slew rate
not to exceed 0.1 Hz/sec.
7. Dynamic Output Voltage Tolerance Sudden Full Load Removal: +/-10% max. recovering
application or to within 1% in less than 20 milliseconds.
8. Over-load Rating: 125% for 10 minutes, 150% for 60 seconds, 1000% for 5 cycles, 105%
continuous.
9. Load crest factor without derating (Ipk/Irms): 3:1

D. Automatic Static Bypass Transfer Switch:

1. Transfer Time: 150 microsecond (overlapping) maximum.

2. Total Sensing and Transfer/Retransfer Time: 2 milliseconds, maximum.
3. Retransfer Mode: automatic/inhibit (selectable).
4. Retransfer Delay: 2 - 32 secs. in auto mode (selectable).
5. Transfer Point: +/-10% of nominal output voltage (adjustable).
6. Retransfer Point: +/-5% of nominal output voltage (adjustable).
7. Transfer Inhibit Point: +/-20% of nominal output voltage (adjustable).
8. Bypass circuit is to be provided with backfeed protection to IEC 60240-1.

2.5 COMPONENTS AND ACCESSORIES

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A. Materials and Parts: Electronic devices are to be solid state, hermetically sealed. Indicator lights
are to be twin LED type, those denoting blown fuse conditions are to be seen by operator without
removing panels or opening cabinet doors. Power connections and remote alarm and control
wiring are to be accessible at terminal boards. Power semi- conductors are to be fused. Metal
surfaces including copper and aluminium heat sinks and busbars are to be treated with permanent
protective coating. Electro-mechanical power devices and relays are to be vacuum impregnated,
insulated for maximum operating voltage conditions, and enclosed in dust-tight enclosures.
Cables are to be fire resistant high temperature grade.

B. UPS is to be provided with a socket connection for a serial interface to be linked to a portable PC,
to a modem or to the BACS system for communication with the UPS. It shall enable interrogation
of the UPS about status, faults, data stored, reprogramming, etc.

C. Housing: Equipment is to be housed in a free-standing, well ventilated, totally enclosed modular

assembly with front accessible lockable doors, giving easy access for maintenance, inspection and
adjustments, and with provisions for handling and lifting during and after installation. Enclosures
are to be suitable for industrial, tropical environments, protection IP [20][21][other] to IEC 60529,
of galvanized sheet steel construction treated against corrosion and with light grey RAL7032
baked paint or epoxy finish to approved standard.

D. Sub-assemblies and components are to be mounted on pull- out and/or swing-out trays, of the
plug-in type where possible. Where it is not possible to mount components in pull-out or swing-
out trays, they are to be easily accessible inside the enclosure. Assemblies shall be replaceable
without requiring any adjustments or settings in the UPS.

E. Ventilation: For units rated over 5 kVA, an integral, forced-air, cooling system is to be provided in
each UPS module to remove dissipated heat efficiently, and ensure components operate within
environmental ratings. Air is to enter bottom of cabinet through replaceable filters, and exhaust
through the top. At least two fans are to be provided for ventilating each enclosure. No
degradation of performance is to occur in the event of a single fan failure. Temperature sensors,
mounted on semi-conductor heat sinks, are to initiate alarm if maximum working temperature is
exceeded.

F. Rectifier/charger unit is to be Insulated Gate Bipolar Transistor (IGBT) type for UPS ratings 200
kVA and below; and IGBT or 12 pulse type with filter (to reduce feedback current harmonics to
specified values) for ratings above 200 kVA. The unit is to have mainline circuit breaker and a
rectifier input transformer for 12 pulse UPS, and is to be automatic with soft start-up (walk-in)
feature, using IGBT with vector control design or silicon controlled rectifiers (SCR) with control
logic circuitry to control firing angles to SCR to suit power output requirements and protect
against primary power surges, lightning transients, under-voltage and over-voltage conditions.
Output is to be passed through LC filters to d.c. bus.

G. Rectifier/charger unit is to be capable of supplying full load power to inverter, and to charge the
battery from a discharge condition to 95% charge within ten times discharge period, and maintain
full charge at floating voltage until next operation. The rectifier/battery charger is to employ input
AC current limiting as well as battery charge current limiting for battery protection. Charger
current is to be voltage regulated and current limited.

H. Inverter is to employ IGBT technology in three leg, vector control or high frequency switching
and real time control technique, and complete with output transformer and filters. Inverter start-up
is to be automatic, to reach full voltage within milliseconds and deliver power to the load within 2
seconds. Inverter is to start at any load including short-circuit. Inverter is to be provided with an
inverter output transformer. For UPS ratings 200kVA and below transformer-less technique may
be used, subject to engineer’s approval.

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I. Inverter oscillator is to operate and maintain output frequency of inverter within specified
tolerances, and be capable of synchronization and phase-locking to normal power supply
frequency. When inverter is phase-locked to normal power supply, and latter fails, oscillator is to
automatically revert to free running state (quartz oscillator) and maintain specified limits.

J. Automatic static bybass transfer switch is to be continuously rated at full load (100% FL), hybrid
type (make-before-break), solid state transfer device with logic thyristor assembly isolatable or
completely removable for maintenance. When signal to close switch is initiated, thyristors are to
instantaneously conduct power to prevent deviations and breaks in load voltage outside specified
tolerances.

K. Maintenance By-Pass Switching: Manual (make-before- break) by-pass switch is to allow load to
be transferred to by-pass source without interruption of output, and provide isolation of UPS and
static switch during maintenance. Test position is to permit testing of static switch while load is
being fed from bypass power circuit. Transfer inhibited warning circuit is to be provided to give
an alarm indication in case by-pass supply is beyond acceptable tolerances.

L. Isolating Transformer (other than rectifier input and inverter output transformers) is to be provided
for all UPS ratings 20 kVA and above. Isolating transformer is to be installed on UPS output if the
system is transformer-less (without inverter transformer), and on UPS bypass input if the UPS is
equipped with inverter transformer.

M. UPS output, inverter output or bypass input transformers are to be two-winding type. 12 pulse
rectifier input transformers are to be three winding type. UPS output and Bypass input
transformers’ vector group is to be Dyn5. Transformers are to be galvanic isolation dry-type, Class
H insulated, with metallic electrostatic shielding, and high efficiency (98% or higher) type.
Transformers are to be installed either within the UPS enclosure or in a separate enclosure as
applicable and approved by engineer.

N. Protection: UPS modules are to have built-in or inherent electronic current-limiting protection
against permanent self damage effective down to short-circuits. Fast acting, current limiting
devices are to protect against failure of any solid state component. Internal failure in any UPS
module is to cause immediate isolation from input and output by operation of static interrupters or
causing shut down of faulty module. Protection is to be provided against, but is not limited to, the
following:

1. Input over and under voltage and power line surges

2. Output over voltage and voltage surges
3. Sudden abnormal changes in output load conditions
4. Short-circuits at output terminals
5. Inverter and rectifier overcurrent
6. Auxiliary Control Circuit Overcurrent.

O. UPS Bypass and Output Neutral: Designed to continuously carry twice the full load phase current.

P. Input Filter Disconnection: UPS control system is to disconnect the input filters in case of
interruption of utility power supply failure while the UPS is operating at light loads (less than
25%).

Q. Battery: High rate discharge, heavy duty, industrial, high impact resistant, clear plastic encased,
sealed lead- acid (gas recombination) type cells with automatically re-closing explosion proof
safety vents. Electrolyte specific gravity is not to exceed 1.25 when fully charged at 25 deg. C.
Ampere-hour rating is to be sufficient for emergency period specified with all inverters operating
at full rated output, to a discharge limit of not less than 1.65 V per cell. Cells are to be normally

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maintained at 2.25 V per cell. Guaranteed life is not to be less than 10 years, with a capacity drop
down to not less than 80% under normal expected service.

R. Battery Cabinet: is to be factory assembled from UPS manufacturer, of welded construction and
formed from heavy gauge steel with added supports to retain cabinet squareness and integrity
during harsh shipping and handling conditions, Adjustable battery rails or trays are to be provided
to allow for multiple battery configurations and facilitate battery upgrades in the future, Heavy
duty polyester strapping material is to be used to tie down batteries, Cabling is to be routed down
the sides of the cabinet, away from the front of the batteries allowing full access for easy
maintenance, series wiring is to be routed efficiently and neatly with tier to tier jumpers located at
front batteries allowing for safe and easy maintenance, Cabinets are to be top coated with a hybrid
epoxy-polyester powder coat and oven cured for a chip and corrosion resistant long lasting finish,
All circuit breakers used on the cabinets are to be rated to 600 VDC. Battery cabinet enclosure
degree of protection is to be IP 20.

S. The battery cells age, at the time of delivery into site, shall be less than three months.

T. Battery calculations are to be carried out by UPS supplier and submitted for approval, based on the
following:
1. Nominal active power factor of not less than 0.8 Lag
2. Temperature factor for operation at 25 Deg C.
3. Aging factor of 1.25
4. Design margin factor of 1.15
5. Recharge time not exceeding 10 autonomy time

U. Mimic Panel: UPS assembly is to include a mimic diagram with digital and LED displays,
indicating instruments and control devices, in true relative positions.

V. Local panel instruments are to include at least the following (digital readings):

1. Inverter input voltmeter, measuring d.c. bus volts.

2. Battery ammeter, measuring charge/ discharge current.
3. A.C. voltmeter to measure inverter output voltage, normal supply voltage or system output.
4. UPS output ammeter and frequency meter.

W. Local Panel Indicators are to include at least the following:

1. System on battery supply

2. Inverter phase locked to verify synchronization between inverter output and normal a.c.
supply input.
3. Static switch on normal a.c. supply (bypass mode).
4. Static switch inhibited.
5. Over-temperature, indicating excessive temperature in heat sinks for transformers,
rectifier/charger and inverter (alarm to automatically transfer load to by-pass circuit).
6. Inverter output overload, indicating inverter output beyond specified rating failure of any
stage, d.c. bus earth fault, inverter output earth fault.

X. Local built-in controls are to include at least the following:

1. Inverter on/off.
2. Battery input circuit breaker.
3. Auto/manual reset-test switch.
4. Manual reset switch.
5. Hybrid switch transfer test push-button.

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6. Re-transfer auto/inhibit selector switch to allow automatic re-transfer of load to inverter

after timed interval of normal operation and inhibit re-transfer of load to inverter until
hybrid switch is in auto-mode.
7. Battery automatic/equalize recharge timer, 0 - 30 hours adjustable, with
automatic/boost/equalize switch (accessible to maintenance personnel only and to be used
only with manufacturer's recommendation for type of battery specified).
8. Voltage and frequency adjustment controls with locking devices (accessible to maintenance
personnel only).
9. Indicator test/reset switch.
10. Control power supply isolator (accessible to maintenance personnel only).
11. Alarm test-accept-reset.

Y. Local built-in alarms causing horn to sound, with tripping command if required, are to include at
least the following:

1. Fan failure: Alarm only.

2. Over Temperature: Alarm with automatic transfer of load to by-pass after a safe preset
period.
3. D.C. Volts out of Limits: Alarm with indication.
4. Fuse Failure: Alarm.
5. Battery on Load/Disconnected: Alarm only.
6. Overloads: Alarm only with a trip command if pro- longed, for each rectifier/inverter unit.
7. Normal a.c. Supply Failure: Alarm only.
8. Hybrid Switch Operation to by-pass Mode: Alarm only.
9. Low and High Output Voltage: Alarm only.

Z. Remote panel control and indicators are to include at least the following:

1. Audible alarm to sound for any alarm condition.

2. LED indicators for mains power available.
3. By-pass source available.
4. Inverter a.c. output available.
5. Inverter synchronized and phase locked.
6. Critical load connected to inverter.
7. Critical load connected to by-pass source.
8. Hybrid transfer switch inhibited.
9. High/low d.c. voltage.
10. Over-temperature.
11. Inverter output overload.
12. Alarm-indicator switch.
13. Emergency system shutdown push-button.
14. Silence/test/reset switch.

AA. Input active harmonic filter: is to be available to limit input current harmonic distortion to less
than 7% THD at all load currents from 0 to 100% of full load and improve power factor to not less
than 0.9.The input filter shall be mounted inside the UPS cabinet or in a separate enclosure.

2.6 STATIC TRANSFER SWITCH (STS)

A. The automatic static transfer switch STS is a solid-state, [three-pole], dual-position transfer
switch designed to switch automatically and manually between two synchronized three-phase AC
power sources without an interruption of power to the load longer than 1/4 cycle.

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B. The Static Transfer Switch consists of two bi-directional thyristor switches (2 for each phase)
equipped with control and protection system. The four-pole models have an additional neutral line
switch.

C. The STS unit is to be fed by two sources with the output connected to the load. In normal
operation, the load is to be connected to the preferred source as long as all phases of the preferred
source are within the acceptable limits. Upon failure of the preferred source, the load is to be
transferred to the alternate source until such time as the preferred source returns to within the
acceptable limits. After the preferred source returns to within the acceptable voltage limits for at
least the preset adjustable retransfer time delay (typically 3 seconds) and is in phase with the
alternate source, the load is to be retransferred automatically to the preferred source. The
automatic retransfer to the preferred source can be disabled if so selected by the user from the
operator control panel. When the automatic retransfer is disabled, emergency transfers from the
alternate source to the preferred source are to not be disabled upon alternate source failure.

D. The STS is to allow manually initiated transfers between the two sources, providing the alternate
source is within acceptable voltage limits and phase tolerances with the preferred source.
Allowable phase differences between the sources for manually initiated transfers are to be
adjustable from the operator control panel.

E. The STS is to continuously monitor the status of the SCR switching devices for proper operation.
In the event of a shorted SCR on the source powering the load, the STS is to automatically alarm
the condition and trip open the other source isolation breaker. In the event of a shorted SCR on the
other source, the STS is to automatically alarm the condition and trip open the other source
isolation breaker. In the event of an open SCR, the switch is to automatically alarm the condition
and transfer to the other source. All open and shorted SCR alarm conditions is to be latched and
require the system to be repaired and reset to restore normal operation.

F. The STS is to be furnished with key-interlocked maintenance bypass breakers that allow the STS
power, controls and monitoring electronics to be bypassed to either input source for maintenance
without interruption of power to the load. The STS is to have all electronics isolated from the
input, output and bypass connections to allow safe servicing of any components without access to
hazardous voltages when the unit is in maintenance bypass.

G. The STS is to be housed in a single [IP 20] [IP21] enclosure to IEC 60529. The frame is to be
constructed of galvanized steel and pop riveted to provide a strong substructure. Doors and
removable exterior panels are to be a minimum thickness of 1.5mm steel and be powder-painted
the manufacturer’s standard color textured enamel finish paint. A key-lock, hinged front door is to
provide access to the circuit breakers.

H. The STS is to be provided with a microprocessor-based control panel for operator interface to
configure and monitor the STS. The control panel is to be located on the front of the unit and can
be operated without opening the hinged front door.

I. The following Metering parameters are to be displayed:

1. Input AC voltage, AC current& frequency for both sources.
2. Output kVA & kW, Percent load, Number of switch transfers and Synchronization phase
angle.

J. Active alarms are to be monitored and displayed simultaneously as part of the LCD event panel.
The following alarm messages are to be displayed and an audible alarm is to be activated when
any of the alarms occurs.
1. Source Failure.
2. Sources over/under voltage.
3. Sources over current.

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4. Sources over/under frequency.

5. Sources out of Sync.
6. Sources phase rotation error.
7. Output under voltage.

K. Performance requirements are to be as follows:

1. Nominal Input /Output Voltage: [380] volts three phase, 4-wire-plus-ground.
2. Voltage Range: +20%, -25% of nominal unless otherwise recommended by manufacturer
and approved by Engineer.
3. Frequency: [50] Hz +6%, -9% unless otherwise recommended by manufacturer and
approved by Engineer.
4. Load Power Factor Range: 0.75 to 1.0, leading or lagging.
5. Load Crest Factor: Up to 3.5
6. Source Voltage Distortion: Up to 10% THD with notches and ringing transients.
7. Surge Protection: Sustains input surges without damage per criteria listed in IEC 61643-1.
8. Sensing and Transfer Time: 4 ms
9. Short Circuit Withstand Capability: not less than [50] kA
10. Minimum Overload Capability:
a) 125% for 10 minutes
b) 150% for 2 minutes
c) 500% for 0.25 seconds

PART 3 - EXECUTION

3.1 INSTALLATION

A. Equipment Bases: Ensure that concrete bases and foundations provided for installation of
equipment are constructed in accordance with approved shop and construction drawings and
equipment manufacturers' drawings and that holes for fixing bolts and provisions for passage of
cables etc. are provided as required.

B. Built-In Items: Ensure that equipment supports, fixings and the like, and sleeves for passage of
feeders and cables which are to be built into concrete foundations, bases or building structure are
provided as and when required and that they are properly installed.

C. Tools: Use only tools recommended by equipment manufacturers for installations, particularly in
making connections and adjustments.

D. Supervision: Carry out equipment installation under the direct supervision of a qualified
technician, licensed by and trained at the factory. Final adjustments and putting into satisfactory
operation are to be made by a specialist delegated by the factory.

3.2 GROUNDING

A. Provide direct interference free grounding circuit in accordance with Division 16 Section
"Grounding and Bonding" of the Specification.

3.3 IDENTIFICATION

A. Identify components and wiring according to Division 16 Section " Basic Electrical Materials and
Methods."

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3.4 BATTERY EQUALIZATION

A. Equalize charging of battery cells according to manufacturer's written instructions. Record

individual-cell voltages.

3.5 FIELD QUALITY CONTROL

A. Electrical Tests and Inspections: Perform tests and inspections according to manufacturer's
written instructions and as listed below to demonstrate condition and performance of each
component of the UPS:

1. Inspect interiors of enclosures, including the following:

a. Integrity of mechanical and electrical connections.
b. Component type and labeling verification.
c. Ratings of installed components.
2. Test manual and automatic operational features and system protective and alarm functions.
3. Test communication of status and alarms to remote monitoring equipment.

B. Power Supply Output Disturbance: Provide microprocessor based instrument, and monitor and
record power supply output disturbance of voltage and frequency. Instrument details are to be
submitted for approval.

C. Test Periods are to be prolonged (over 24 hours) and as requested by Engineer, to verify and
obtain realistic voltage and frequency profile under any loading and switching conditions within
the criteria specified.

D. Data logging is to include high and low average voltage, sags and surges, spikes and spike bursts,
drop-outs, high and low frequencies etc. with print-out and storage on cassette tape for subsequent
re-entry into instrument's memory for display or print-out.

E. Tests are to include loads at various power factors from low-load to overload condition, and
measurements of temperature, heat losses, output voltage, wave shape, and harmonic content and
frequency stability.

F. Retest: Correct deficiencies and retest until specified requirements are met.

G. Record of Tests and Inspections: Maintain and submit documentation of tests and inspections,
including references to manufacturers' written instructions and other test and inspection criteria.
Include results of tests, inspections, and retests.

3.6 DEMONSTRATION

A. Train Employer's maintenance personnel to adjust, operate, and maintain the system installation.

END OF SECTION 16242

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SECTION 16442 – PANELBOARDS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. Panelboards for distribution and subdistribution of electric power and for protection of circuits, including
fixing and supporting materials and materials for termination of feeders, sub-circuits and branch circuits
for the following types:

1. Lighting and appliance branch-circuit panelboards.

2. Distribution panelboards.

B. Connection to BMS system, including interface elements such as relays, transducers, etc. as detailed in
Division 15 Specification Sections BMS schedules and /or shown on the Drawings.

C. Related Sections include the following:

1. Division 16 Section "Basic Electrical Materials and Methods".

1.3 DEFINITIONS

A. MCB: Miniature circuit breaker.

B. MCCB: Molded case circuit breaker.

C. LP, PP, SDP: Final branch circuit panelboards, power panelboards and subdistribution panelboards
respectively, for secondary lighting and power distribution with either miniature circuit breaker (MCB) or
molded case circuit breaker (MCCB) protection on sub-feeder or branch circuits, as shown on the
Drawings.

D. DP: Distribution panelboards for power distribution with MCCB protection on main incoming and
outgoing feeder circuit breakers Type 1 or Type 2.

E. Distribution panelboards or final branch circuit panelboards supplied from emergency source are prefixed
with the letter “E” if supplied from emergency source, and with letter “U” if supplied from UPS source.
Isolated power panels are to be identified as “IPP”.

F. ELCB: Earth leakage circuit breaker.

G. RMS: Root mean square.

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H. Coordination Study: Submit coordination study along with setting of protective devices for overload,
short-circuit and earth-fault currents as coordinated with upstream and downstream systems based on
specific coordination curves of protective devices used and specific calculated prospective short-circuit
currents at various points.

1.4 SUBMITTALS

A. Equipment Data: Submit data for approval including, but not limited to, the following:

1. Manufacturers' catalogues indicating specific equipment selected

2. Types of panelboards and circuit breaker characteristics including duties and deration at specified
ambient conditions and corresponding temperatures within the enclosures, MCB shall not be
derated if the space where the panels are installed is air-conditioned.
3. Dimensions of panels and specific contents of each panelboard.
4. Integrated equipment tabulations for coordinated short- circuit series combinations of circuit
breakers.

B. Tests and Certificates: Submit complete certified manufacturer's type test and routine test records in
accordance with the Standards.

C. Point-wise compliance statement to the specifications, duly signed by the manufacturer / manufacturer’s
authorized representative and the contractor.

D. Shop and Construction Drawings: Submit drawings for approval including, but not limited to, the
following:

1. Exact composition of each panelboard, indicating busbar rating, frame and trip ratings of circuit
breakers.
2. Typical installation details of panelboards, indicating main feeder and branch circuit conduit
connections, terminal provisions, tags, labels, mounting methods and materials used.

E. Details of Electrical Closets: Submit details to verify clearances, spaces and ventilation of the installation
of proposed equipment, prior to starting construction.

F. Field Test Reports: Submit written test reports and include the following:

1. Test procedures used.

2. Test results that comply with requirements.
3. Results of failed tests and corrective action taken to achieve test results that comply with
requirements.

G. Panelboard Schedules: For installation in panelboards submit final versions after load balancing.

H. Maintenance Data: For panelboards and components to include in maintenance manuals specified in
Division 1. In addition to requirements specified in Division 1 include the following:

1. Manufacturer's written instructions for testing and adjusting over-current protective devices.
2. Time-current curves, including selectable ranges for each type of over-current protective device.

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1.5 QUALITY ASSURANCE

A. Comply with

1. IEC 61439-1 "Low Voltage Switchgear and Control Gear Assemblies".

2. IEC60947-1 Low Voltage switchgear and control Gear- General Rules

IEC 60947-2 "Molded case circuit breakers"
3. IEC 60898-1 "Miniature circuit breakers"
4. Other components where not specified are to comply with the relevant IEC standards

1.6 COORDINATION

A. Coordinate layout and installation of panelboards and components with other construction that penetrates
walls or is supported by them, including electrical and other types of equipment, raceways, piping, and
encumbrances to workspace clearance requirements.

1.7 SCHEDULES

A. Schedules shown on drawings indicate the designation and required type of panelboard using the
following criteria:

1. Type of construction (MCB or MCCB), referring to type of branch circuit breakers.

2. Voltage, number of phases and wires.
3. Branch circuit breaker trip rating and wire size.
4. Main circuit breaker trip rating and frame size (maximum continuous rating) for MCCB and
MCB.
5. Short-circuit interrupting capacity (IC) in kA.
6. Special arrangement or provisions.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 GENERAL REQUIREMENTS

A. Rated insulation voltage is to be in accordance with the respective standards.

B. Panelboards are to be totally enclosed, dead front type, protection code IP 31 for indoor installations and
IP 55 for outdoor installations, in accordance with IEC 60529 , and are to be factory designed and
assembled.

C. Earthing bar is to be half size the phase busbars.

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D. Neutral bar is to be sized as the phase bus bars.

E. Protection is to be fully rated throughout the systems.

F. Series (cascade) coordinated protection (integrated equipment short-circuit ratings) will only be
acceptable within final branch circuit panelboards, between branch circuit breakers and the main
incoming circuit breaker, in accordance with an integrated series combination chart prepared by the
manufacturer, tested and certified in the country of origin by an internationally authorized organization,
where short-circuit ratings are beyond available fully rated types specified, and with the approval of
Engineer.

G. Circuit breakers are to be non-fused type.

H. Circuit Breaker Arrangement: Panelboards are to have one main incoming circuit breaker or switch and
the required number of branch circuit breakers, arranged as shown on the schedules, including spare
circuit breakers and spaces for future expansion. Three-phase panelboards are to be designed for
sequence phase connection of branch circuit devices.

I. Branch Circuit Numbering: On 3-phase panelboard schedules, circuits 1 and 2 are to be connected to red
(R) phase, 3 and 4 to yellow (Y) phase, 5 and 6 to blue (B) phase etc., to conform with branch circuit
numbering shown on the drawings.

2.3 PANELBOARD ENCLOSURES

A. Type: General purpose type, suitable for relevant ambient conditions, flush or surface mounted as shown
on the drawings, comprising box, trim, or trim and door to approved manufacturer's standards and sizes.

B. Construction: Box, trim and doors where required, are to be Electro-galvanized sheet steel of gauges not
less than specified and in accordance with the standards. Welded joints are to be galvanized after
manufacture. Gutter spaces are to conform to the standards, adequate for the utilized cables/wires subject
to the engineers’ approval and in no case less than 100 mm on all sides. Enclosure is to have pre-
designed angles or threaded end studs to support and adjust mounting of interior panelboard assembly.

C. Trims are to cover and overlap front shield, covering all terminals and bus compartments, to form a dead
front panel. Trims are to be fixed to cabinet/box by quarter-turn clamps engaging flange of box (use of
screws engaging holes in flange of box is not acceptable). Screws where used are to be oval-head,
countersunk and flush. Trims for flush mounted panelboards are to overlap box and front shields by at
least 20 mm. Trims for surface mounted panelboards are to be exactly sized to form flush fit to box.

D. Doors are to have concealed hinges integral with trim, and flush combination cylinder lock and catch.
Doors over 1000 mm high are to have vault-type handle and multiple point latch mechanism. Locks are
to be keyed alike.

E. Finish: Inner and outer surfaces of cabinet/boxes, trims, doors etc. Are to be cleaned, phosphatized,
chrome passivated and treated with final thermosetting epoxy powder modified by polyester resins
providing high resistance to mechanical injury, heat, acid and alkali solvents, grease, aging and corrosion
and of standard gray color to the approval of Engineer.

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F. Directories under glassine, or an approved alternative durable arrangement, are to be provided on inside
face of doors, or in metal label holders when trim without doors are specified. Directories are to be typed
to identify panelboards and clearly indicate circuit number and description of load.

G. Outdoor enclosures are to be heavy duty sheet steel cabinets, minimum 1.5 mm thick, fully
weatherproofed (IP 55), without knockouts, but with removable sealed/gasketed bottom gland plates and
gasketed doors.

2.4 BUSBARS

A. Type: One piece, 98% pure electrolytic copper, based on total maximum operating temperature of 90 deg
C at any point of the bus, at full continuous rating. Bolted or clamped contact surfaces are to have
maximum current density not exceeding requirements of the approved standards. Aluminum is not to be
used for busbars or panelboard parts.

B. Design: Busbars are to be shrouded/insulated and rigidly designed so that branch circuit devices can be
removed without disturbing adjacent units or changed without additional machining, drilling or tapping.
Busing is to be full size without reduction. Busing and blank plates are to allow installation of future
circuit devices, where indicated on the drawings.

C. Rating: Busbar rating is to be at least equal to main-circuit breaker frame size. Where no main circuit
breaker is required, busbars are to have main lugs or disconnect switch, with nominal rating equal to 1.25
times the up stream circuit breaker trip rating, and as shown on the drawings.

D. Short-circuit Duty: Busbars are to carry at least 125% of the maximum short-circuit level at point of
application for one second, without showing any signs of degradation.

E. Terminals and connections are to be anti-turn, solder-less screw-pressure type. Screws and bolts used for
making copper/copper connections are to be hard copper alloy with lock washers (riveted bus connections
are not acceptable).

F. Neutral bar is to be solid and fully insulated from cabinet or box. One solder-less box type set-screw
connector is to be provided for neutral wire of each branch circuit and one bolted clamp-type connector or
anti-turn lug with set-screw for main incoming neutral wire. Neutral is to be fully sized and rated as for
phase busbars.

G. Earthing bar is to be copper, brazed to panelboard cabinet, with bolted pressure connector for main
conductor and one set-screw-type tunnel terminal for each outgoing conductor, to provide secure and
reliable contact with all metal parts and enclosure.

2.5 MOLDED CASE CIRCUIT BREAKERS (MCCBs)

A. Type: Tested to approved standards, , totally enclosed, molded case, constructed from high quality, high
temperature resistant, tropicalized, molded insulating materials, for normal operation at maximum
temperature within enclosures at point of application, and provided with front operated single toggle type
handle mechanism for manual operation of main contacts in addition to automatic operation under over-
current conditions. Multi-pole breakers are to have common integral trip bar for simultaneous operation
of all poles. Ampere rating is to be clearly visible. All terminals are to be box lug or clamp type with set
screws, suitable for copper or aluminum conductors.
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B. Circuit Breaker Trip Units: Unless otherwise specified or shown on the drawings, moulded case circuit
breakers of final branch circuit panel boards (LPs), power panel boards (PPs ) and subdistribution panel
boards (SDPs) are to be thermal magnetic type, while moulded case ciruit breakers of distribution panel
boards (DPs) are to be thermal magnetic for frame sizes up to 160 amperes and electronic type for higher
frame sizes.

C. Thermal magnetic circuit breaker trip units: are to have bi-metallic inverse time delay over-current
element for small overloads and instantaneous magnetic over-current trip element for operation under
short-circuit conditions on each pole. Circuit breakers rated 150/160 A are to have adjustable
instantaneous trips.

D. Deration: Thermal and Electronic over-current trips are to be ambient temperature derated at specified
ambient conditions and corresponding temperature within the enclosures. MCCB shall not be derated if
the space where the panels are installed is air-conditioned.

E. Electronic trips units, applicable to circuit breakers 250 A frame size and larger, are to be solid state with
long time delay settings between 0.5 and 1.0 times maximum trip rating, short time delay range of 3 to 10
times maximum trip rating with a maximum clearing time of 0.2 seconds, and instantaneous protection
adjustable from 5 to 10 times continuous rating. Solid state trip units are to be insensitive to changes in
ambient temperature between -20 and +55 deg C. Earth fault protection is to be built into trip unit where
specified, and is to be suitable for connection to external current sensor. Push-to-trip button is to be
provided on cover for testing the trip unit. Short time over current protection is only required for circuit
breakers 630A and above.

F. Switching Mechanism: Quick-make, quick-break type, with positive trip-free operation so that contacts
cannot be held closed against excess currents under manual or automatic operation. Contacts are to be
non-welding silver alloy with approved arc-quenching devices of metallic grid construction.

G. Trip current rating (amps) indicates nominal maximum rating at which overload element is set to operate.

H. MCCBs for LPs, PPs, SDPs and DPs Type 2: Comply with IEC 60947-2 test sequences I, II, utilization
category A, and are to have rated ultimate short circuit breaking capacities (sequence III) to meet the
electrical requirements at the panelboard location, with preferred ratings in accordance with following
tables.

I. MCCBs for DP Type 1: MCCBs rated 630 A and above are to have utilization category B (with an
intended short time withstand capability), and are to have rated service short circuit breaking capacities
(sequence II) with suitably selected frame sizes and trip ranges to meet the electrical requirements at the
distribution panelboard location and schedules shown on the drawings, with declared ratings as
percentage (100%, 75% or 50%) of the ultimate ratings as quoted by the circuit breaker manufacturer
marked on the circuit breaker rating plate. MCCBs below 630A are to have utilization category A with
rated ultimate short circuit breaking capacity (sequence III) to meet the electrical requirements at the
panel boards locations with preferred ratings in accordance with the below tables.

J. Frame size is defined as maximum continuous current rating of circuit breaker which corresponds with its
maximum trip range listed below and which is to be related to minimum acceptable short-circuit
interrupting ratings, based on fully rated interrupting duties: normal duty (N), high break (H), or current
limiting (L), as specified.

K. Frame sizes are generally to be selected with minimum interrupting capacities at specified voltages and
rated frequency, in accordance with the following table:
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L. Tripped Position: When tripped automatically by over-current condition, operating mechanism of circuit
breaker is to assume an intermediate position clearly indicated by the handle between on and off
positions.

M. Interchangeable Trips: Thermal-magnetic trip circuit breakers of 150/160 A frame size are to have
interchangeable trip units.

N. Sealing: Circuit breakers with non-interchangeable trip units are to be sealed. Circuit breakers with
interchangeable trip units are to have trip unit covers sealed to prevent tampering.

O. Accessories: Circuit breakers are to be designed to accommodate standard attachments including shunt-
trip, under-voltage release, combined auxiliary and alarm switches, and open / close electrical motor
operator to any circuit breaker of rating (frame size) 100 A and over. Padlocking devices are to be
provided, where shown on the Drawings.

P. Residual current operated earth leakage trip devices (RCDs) are provided as add-on or built-in earth
leakage accessories, where required and as shown on the Drawings. Protection against earth fault current,
in addition to over-current and short-circuit protection, is to be in accordance with the Regulations. Trip
current sensitivity on breakers for branch circuits is to be [10][30][100][300][500] mA, and for main
breakers ratings are to be as shown on the Drawings. Circuit breakers are to include current transformer
with tripping coil assembly, test button and trip free mechanism to ensure circuit breaker cannot be held
closed against earth faults.

Q. Current Limiting Circuit Breakers: Molded case type without fusible elements. When operating within
current limiting range, the I2t of let-through current is to be less than 1/2 cycle wave of symmetrical
protective short-circuit current as compatible with breaker construction.

R. Current limiting circuit breakers are to have, on each pole, adjustable inverse time-delay over-current
characteristics for overload protection and instantaneous trip for short-circuit protection. Operation of
main contacts is to be based on Electro-magnetic repulsion forces between contacts created by fault
current. Ratings are specified at rated voltage for an rms value of prospective short-circuit current.

2.6 MINIATURE CIRCUIT BREAKERS (MCBs)

A. Type: Thermal magnetic non-adjustable type, tested in accordance with IEC [60898-1] [60947-2].

B. Minimum short-circuit breaking capacities to IEC [60898-1] [60947-2]are to be as follows:

1. 6 - 125A MCB :

[10 or 15 kAat 220/240 - 380/415 V A.C.]

[20 or 25 kA 220/240 – 380/415 V A.C]

C. Construction: MCBs are to be tropicalized for operation at ambient temperatures up to 70 degree C within
panelboard enclosure and humidity up to 95%, and are to be constructed from high quality, high

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temperature, molded insulating materials. Guaranteed duties and characteristics are to be submitted for
temperatures at and above 40 deg C.

D. MCBs and combination devices are to be modular, of unified profile and suitable for mounting either to a
standard din rail, or a plug-in system.

E. Operation: Under overload conditions, thermal tripping is to provide close protection of insulated
conductors. Under short-circuit conditions, magnetic trip is to operate at 5 - 10 times normal rated
current (Curve C). Magnetic operation is to be in the current limiting region and opening time is not to
exceed 5 milliseconds.

F. Ratings: Preferred rated currents are to be 6, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 and 125 A, calibrated
at 40deg.c, available as 1, 2, 3 and 4-pole circuit breakers. De-rating above 40 deg C is not to exceed 1%
per deg C and loading is not to exceed 70% of circuit breaker rating.

G. Residual current devices for earth leakage protective circuit breakers are to be add-on devices, or built-in
and integral with the standard circuit breaker. Non-adjustable sensitivities of 30 mA, 100 mA and 300
mA are to be available for all ratings of 2-pole and 4-pole circuit breakers.

H. Auxiliaries where shown on the drawings, are to include alarm switch, auxiliary switch, shunt trip, under
voltage trip and similar units which are to be modular additions to the circuit breakers.

2.7 MOLDED CASE SWITCH (MCS)

A. Molded Case Switch: Non-automatic on/off switching device of equal construction to equivalent circuit
breaker, having no over-current or fault protective elements, but marked with maximum current withstand
and voltage rating.

2.8 DISTRIBUTION PANELBOARDS (DP)

A. DP Type 1: Form 2b to IEC 61439-1, and have a minimum rated insulation voltage of 750V free
standing , with doors (unless otherwise shown on the Drawings), suitable for ratings of main breaker and
busbars ranging from 630 A to 1250 A, 3-phase, 4-wire (or 3-wire where specifically indicated), suitably
and orderly arranged for any selected combination of branch MCCBs ranging from 150/160 A to 1250 A
frame size and short-circuit interrupting ratings as shown on the Drawings. Circuit breakers smaller than
250 A frame size, where indicated, may be grouped on an integral sub-assembly mounted to main chassis.

B. DP Type 2: Form 1 to IEC 61439-1, and have a minimum rated insulation voltage of 690V. Panelboard
is to be recessed or surface mounted type, as shown on the Drawings, complete with trim and door,
adjustable trim fixation for flush panels, and with ratings of main circuit breaker and busbars up to 400 A,
3-phase, 4-wire, with 2 or 3-pole branch circuit breakers, 100 A or 150/160 A or 250 A frame size.

C. CIRCUIT BREAKERS for DP’s shall be fitted with a plug-in base type of modular construction complete
with its accessories; non draw-out type.

D. Construction: Sheet steel, for cabinet/box; suitable for mechanical impact resistance of IK10 to IEC
62262 for enclosures protection degree IP55 and higher and IK08 to IEC 62262 for enclosures protection
degree lower than IP55. Test certificates for mechanical impact are to be submitted for approval;
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otherwise enclosure thickness is not to be less than 1.5mm. Fronts are to be single or twin covers to
shield circuit breakers, terminals and live ends.

E. Interior of panelboard is to be pan assembly consisting of galvanized sheet steel chassis minimum 1.5
mm thick, folded, flanged and reinforced, with busbars vertically arranged and mounted on molded
insulators.

F. Molded insulators are to have minimum temperature rating of 130 deg C and insulation grade of 3.5 kV
for one minute.

G. Circuit breakers are to be mounted in twin arrangement (except for larger circuit breakers) and bolted
rigidly to copper cross and center bus connectors.

2.9 FINAL BRANCH CIRCUIT, POWER AND SUB-DISTRIBUTION PANELBOARDS - GENERALLY

A. Arrangement: Comprise set of homogeneous branch circuit breakers with unified profile and base, and
one main circuit breaker or switch as shown on drawings. Single and multi-pole circuit breakers or other
devices are to occupy modular spaces. Accommodation of contactors and split-bus arrangement or other
devices is not to change regularity of standard box width.

B. Indoor Enclosure: Sheet steel, minimum 0.8 mm thick for box/cabinet and minimum 1.5 mm thick for
front shield, trim and door. Fixings for flush trim are to be adjustable to allow for mis-alignment between
box and wall surface. Wiring spaces (gutters) are to be at least 100 mm wide. Larger gutters are to be
provided where tap-off insulated split connectors are required. Knockouts are to be provided in top or
bottom of enclosures and are to provide a neat and uniform conduit/cable terminal arrangement.

2.10 FINAL BRANCH CIRCUIT, POWER AND SUBDISTRIBUTION PANELBOARDS - TYPE MCCB

A. Type: Rated insulation voltage rating 690V as a minimum. single-phase and neutral (SPN) or 3-phase and
neutral (TPN), with bolted 1, 2, or 3-pole MCCBs on branch circuits and 2, 3 or 4-pole MCCB on main
incoming.

B. Branch circuit breakers are to be 1, 2 or 3-pole, rated 100 A frame size, with trip ratings between 15 A
and 100 A, and compatible ICs, selected from normal (N), high-break (H) or current-limiting (L) range.

C. Main circuit breaker is to be 2 or 3-pole 100 A, or 2, 3 or 4-pole 160 A, or 225/250 A continuous rating
(frame size), with trip ratings and fully rated non-current limiting ICs of normal (N) or high-break (H)
ranges, with or without residual current device (RCD) as indicated on the Drawings.

D. Short-circuit Rating: Panelboards may only have integrated equipment (series) short-circuit ratings in
accordance with paragraph F of Article 2.2 "GENERAL REQUIREMENTS" hereof.

E. Assembly: Busbars are to be rigidly fixed on molded insulators to back pan in vertical arrangement.
Branch circuit breakers are to be bolted in twin arrangement to rigid copper cross and center bus
connectors. Back pan assembly is to be removable and fixed to four threaded studs integral with cabinet.

2.11 FINAL BRANCH PANELBOARDS - TYPE MCB

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A. Type: Rated insulation voltage rating of 500V as a minimum.

B. Internal Assembly: Comprise removable back plate or back pan of rigid construction, attached to
enclosure by four captive screws through keyhole fixings, and provided with DIN rails in horizontal
arrangement for SPN panels and in vertical arrangement for TPN panels. Assembly is to be complete
with neutral terminal block, earthing bar and one piece insulated bolt-on/comb-type phase busbar.
Busbars are to be single-phase or 3-phase with spade connectors for fixing by tightening a single screw
on circuit breaker. Insulation is to be high thermal rating, capable of carrying maximum short-circuit
current for one second without overheating beyond acceptable limits required by the Standards.
Panelboards are to comply with IEC 60439-3.

C. Internal Assembly: Comprise removable back plate or back pan of rigid construction, attached to
enclosure by four captive screws through keyhole fixings, and provided with busbars in horizontal
arrangement for SPN panels and in vertical arrangement for TPN panels. Assembly is to be complete
with neutral terminal block, earthing bar and one-piece insulated phase busbar. Busbars are to be single-
phase or 3-phase with spade connectors for fixing by tightening a single screw on circuit breaker.
Insulation is to be high thermal rating, capable of carrying maximum short-circuit current for one second
without overheating beyond acceptable limits required by the Standards.

D. SPN type panelboards are to be suitable for 240 V maximum service voltage, single-phase and neutral,
with MCBs on branch circuits and main incoming.

E. SPN type main circuit breaker is to be double-pole MCB, with or without earth leakage device (RCD), as
shown on the Schedules.

F. Single-pole and double-pole MCBs for 240 V service, are to have trip ratings between 6 A and 125 A,
with ICs as required in the Schedules.

G. TPN type panelboards are to be suitable for up to 415 V A.C. maximum service voltage, 3-phase and
neutral, with MCBs on branch circuits and 3 or 4-pole MCB or MCCB main incoming, as shown in the
Schedules or on the Drawings.

H. Triple-pole branch circuit breakers are to have trip ratings between 6 A and 125 A, with IC as required in
the Schedules.

I. TPN type panelboard main circuit breakers are to be MCB or MCCB, 125A continuous current rating,
with trip range from 25 A to 125A, or 250 A MCCB with trip range 70 A to 250 A, normal (N) or high-
break (H) duty with/without RCD as shown on the Drawings.

J. Short-circuit Rating: TPN panelboards may only have integrated equipment (series) short-circuit ratings
in accordance with clause paragraph F of Article 2.2 "GENERAL REQUIREMENTS" hereof.

2.12 FINAL BRANCH CIRCUIT PANELBOARDS; SPLIT-BUS MCCB/MCB TYPES

A. Assembly is to be as specified for MCB or MCCB type of branch circuit panelboard, but with split-bus
arrangement, part of which is controlled by in-built submain contactor or circuit-protective device for
group control of a number of branch circuits. Panelboard is to have main circuit breaker for protection
and isolation.

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B. Contactors: 2 or 3-pole, Electro-magnetic type, class AC 5a or AC 5b to IEC 60947-4, designed to

withstand large initial currents of discharge lamps or tungsten lamp loads respectively, and rated not less
than overload setting of protective device upstream. Contacts are to be double break, silver cadmium
plated, having self-cleaning wiping action. Control is to be provided by phase-neutral (maximum 220 V)
split-coil, for on/off activation by local and/or by remote direct-wired, on/off push buttons. Contactor is
to be mechanically latched. Control circuit is to be fused. Auxiliaries are to include local pilot light,
parallel remote indicating circuit, 2 N.O. and 2 N.C. auxiliary contacts.

2.13 HOSPITAL ISOLATION POWER PANELS (IPP’S)

A. Panels are to be category wired and tested and include a shielded low leakage isolating transformer,
primary and secondary circuit breakers and a line isolation monitor.

B. Breakers are to comply with the relevant sections of the specifications. All transformer secondary and
branch circuit breakers are to be 2 pole. Panels are to have secondary circuit breakers as scheduled.

C. Enclosure is to be flush mounted unless otherwise noted on the drawings. Units 5 kVA and smaller shall
have a maximum depth of 210 mm.

D. Panels are to be flush trim type; cover shall be brushed stainless steel and shall contain a hinged door with
keyed lock to provide access to the circuit breakers line isolation monitor and it provision for testing and
for remote duplication of the line isolation monitor’s alarm and meter.

E. Entire section behind the hinged door is to be of dead front design. All hinges are to be of the concealed
type.

F. Panel and transformer is to be so designed that the heat generated by the transformer under full load
conditions is not to affect the normal operation of the circuit breakers and ground detector.

G. Remote indicator panels are to be flush mounted and have a brushed stainless steel front trim. Panels are
to duplicate all audible and visual alarms and metering of the line isolation monitor. They are to be
provided with a mute switch to silence the audible alarm.

H. Remote indicator panel is to be provided for each IPP , to be located at the respective operating room.
Location of the panel and indicator console is indicated on the drawings. Under no circumstances are
audible signaling devices to be incorporated in the panel at the bedside or in surgical areas.

I. Panels are also contain an equalizer earth bus to which all grounding jacks and grounding terminals from
all sockets are connected. In addition, the equalizer ground bus is to contain a sufficient number of
internal lugs to allow connection of ground leads from all permanently located metal objects in the patient
care area.

J. Transformer is to be wound with an electrostatic shield between the primary and secondary windings,
which is to be grounded to the enclosure. The electrostatic shield is to be of such design that it will
prevent direct shorting of the primary winding to the secondary winding, and reduce the coupling of
harmonic distortions between the primary circuit and secondary circuits.

K. Transformer secondary winding leakage current to ground is not to exceed 10 microamperes. Regulation
is not to exceed 2.6% at 0.8 PF at 20 Deg. C above the full load continuous operating temperature in
accordance with NEMA ANSI standards, necessary certifications are to be submitted.
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L. Transformer is to be single phase, 50 Hz with 220 volt primary, and 220 volt secondary voltages. Class
H rated insulation shall be limited to manufacture of the transformer, and the temperature rise shall be
limited to 55 Deg C above ambient under full load conditions when tested in accordance with NEMA –
ANSI standards. Standards shall have a 220 Deg C, UL recognized insulation system.

M. Transformer core and coils are to be internally isolated from the enclosure by means of a suitable
vibration dampening system.

N. Transformer noise level is not to be in excess of 25 decibels for units up to 5 kVA and 35 decibels for
larger units.

O. Line isolation monitor (LIM) is to be of the dynamic type capable of detecting all combinations of
capacitive and resistive faults, including balanced, unbalanced and hybrid faults. A meter shall provide
continuous visual indication of the total leakage current in the monitored system.

P. Line isolation monitor (LIM) is to be fused. The leakage that the LIM contributes to the isolating system
is not to exceed 5 microamperes. Under a zero fault impedance test the measurable leakage contributed
by the LIM is not to exceed 300 microamperes. The alarm point is to be set at not less than 3.7 milli-
ampere. Meter furnished with the LIM is to read from zero and is calibrated in microamperes.

Q. Branch circuit wiring: from the isolated power panels is to be XLPE insulated (or equivalent), low
leakage type with minimum leakage of 1 μA per foot (3.28 μA per meter). Wires are to be run in metal
conduits.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Fixing Generally:

1. Align, level and securely fasten panelboards to structure

2. Fix surface mounted outdoor panelboards at least 25mm from wall ensuring supporting members
do not prevent flow of air
3. Do not use connecting conduits to support panelboards
4. Close unused openings in panelboard cabinets.

B. Panelboard Interiors: Do not install in cabinets until all conduit connections to cabinet have been
completed.

C. Wiring Inside Panelboards: Neatly arranged, accessible and strapped to prevent tension on circuit breaker
terminals. Tap-off connections are to be split and bolted type, fully insulated.

D. Trim: Fix plumb and square prior to painting. Fix trim for flush mounted cabinets flush with wall surface
finish.

E. Protection: Treat concealed surfaces of recessed cabinets with heavy field application of waterproof
compound prior to installation.

F. Install filler plates in unused spaces.

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G. Provision for Future Circuits at Flush Panelboards: if asked by the engineer, stub four empty conduits
from panelboard into accessible ceiling space or space designated to be ceiling space in the future. Stub
four empty conduits into raised floor space or below slab not on grade.

3.2 IDENTIFICATION

A. Identify field-installed conductors, interconnecting wiring, and components; provide warning signs as
specified in Division 16 Section "Basic Electrical Materials and Methods".

B. Panelboard Nameplates: Label each panelboard with engraved metal or laminated-plastic nameplate
mounted with corrosion-resistant screws.

3.3 CONNECTIONS

A. Install equipment-grounding connections for panelboards with ground continuity to main electrical
ground bus.

B. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening

values.

3.4 FIELD QUALITY CONTROL

A. Generally: Carry out all tests, required by the governing codes and by the Engineer, on panelboards after
installation, to verify compliance with the specifications and standards. Inspect conditions within
panelboards and verify insulation conditions by use of a megger.

B. Circuit Breakers: Tests are to include operation of every circuit breaker manually. Check automatic
operation of selected circuit breakers, as required by Engineer, by applying necessary short-circuit,
overload and earth leakage current for tripping circuit breaker as applicable and compare with
manufacturer's data/characteristic curves. Measure and report ambient temperature inside enclosure.

C. Insulation Check Tests: Carry out insulation tests on all busbars, between phases and between phases and
earth/cabinet, and between neutral and earth. Record all readings, using 500 V megger for equipment on
240 V systems, and 1000 V megger for equipment on systems up to 600 V, for 1-minute, with circuit
breakers in open position.

D. Routine tests on site are to be carried out, in accordance with the Standards, on all panelboards assembled
from standardized components of the manufacturer outside the works of the manufacturer.

E. Prepare for acceptance tests as follows:

1. Test insulation resistance for each panelboard bus, component, connecting supply, feeder, and
control circuit.
2. Test continuity of each circuit.

F. Testing: After installing panelboards and after electrical circuitry has been energized, demonstrate
product capability and compliance with requirements.

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3.5 ADJUSTING

A. Set field-adjustable switches and circuit breaker trip ranges.

3.6 CLEANING

A. On completion of installation, inspect interior and exterior of panelboards. Remove paint splatters and
other spots. Vacuum dirt and debris; do not use compressed air to assist in cleaning. Repair exposed
surfaces to match original finish.

END OF SECTION 16442

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SECTION 16482 - MOTOR CONTROL CENTERS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes motor control centers and panels for use on ac circuits rated 600 V and less. It
includes a Connection to BMS system, including interface elements such as relays, transducers, etc. as
detailed in the mechanical specifications, BMS schedules and/or shown on drawings.

B. Related Sections include the following:

1. Division 15 Section "Motors" for electric motors.

2. Division 15 Section "Building Management system.
3. Division 16 Section "Basic Electrical Materials and Methods".
4. Division 16 Section "Switchboards" for circuit breakers.
5. Division 16 Section "Raceways and Boxes" for conduits.
6. Division 16 Section "Conductors and Cables" for wires and cables.
7. Division 16 Section "Enclosed Switches and Circuit Breakers" for switch disconnectors.

1.3 SUBMITTALS

A. Technical Data: Include dimensions, ratings and data on features and components.

B. For Variable Frequency Drives: Submit manufacturer's performance data including dimensional
drawings, customer connection drawings, power circuit diagrams, installation and maintenance manuals,
warranty description, VFDs FLA rating, certification agency file numbers and catalogue information.

C. Point-wise compliance statement to the specifications, duly signed by the manufacturer / manufacturer’s
authorized representative and the contractor.

D. Shop and Installation Drawings: Submit for each motor control center, and prior to ordering materials and
equipment, specified in this Section. Include dimensioned plans, elevations, and component lists. Show
ratings, including short time and short-circuit ratings, and horizontal and vertical bus ampacities.

1. Complete technical schedule of features, characteristics, ratings, and factory settings on all motor
starters, motor protection relays, sensing units, control accessories, etc.
2. Instructional details of equipment, particularly motor control centers and panels.
3. Installation details of motor control centers and panels and of control and sensing accessories.
4. Exact routing of power and control cables, wiring and conduits.

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5. Feeder termination details at motor control centers, starters, motors, isolating switches, control and
sensing accessories etc.
6. Wiring Diagrams: Interconnecting wiring diagrams (of all power and control circuits) pertinent to
class and type specified for motor control center. Schematic diagram of each type of controller
unit indicated.
7. Wiring Diagrams: Submit for approval detailed control wiring diagrams and a list of control
equipment with descriptive literature.
8. Free hand field wiring diagrams or sketches will not be accepted.
9. Factory certified routine test certificates to be submitted with each product delivered on site.

E. Maintenance Data: For products to include in the maintenance manuals specified in Division 1.

F. Submit certified protection relay coordination settings for review, along with certified “As-built”
connection drawings, before energisation of equipment.

G. As-built (Record) Drawings: At project close-out, submit certified record drawings of installed electrical
motor control centers, in accordance with requirements of the specifications, Division 1.

1.4 QUALITY ASSURANCE

A. Source Limitations: Obtain motor control devices through one source from a single manufacturer.

B. Comply with the Following Standards: ANSI; NEMA; BS; VDE; DIN; IEC; UTE.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Deliver in shipping splits of lengths that can be moved past obstructions in delivery path as indicated.

B. Store so condensation will not occur on or in motor control centers. Provide temporary heaters as
required to prevent condensation.

C. Handle motor control centers according to Standards recommendations. Use factory-installed lifting
provisions.

1.6 COORDINATION

A. Coordinate features of controllers and accessory devices with pilot devices and control circuits to which
they connect.

B. Coordinate features, accessories, and functions of each motor controller with the ratings and
characteristics of the supply circuit, the motor, the required control sequence, and the duty cycle of the
motor and load.

1.7 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed, are packaged with protective
covering for storage, and are identified with labels describing contents.

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1. Spare Indicating Lights: Furnish 6 of each type required.

2. Control Fuses: Furnish 10% of the total quantity of each rating used, with a minimum of one per
type.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 VARIABLE FREQUENCY DRIVE

A. Furnish complete variable frequency drives as specified herein for the fans and pumps designated to be
variable speed. All standards and optional features shall be included within the VFD enclosure, unless
otherwise specified. VFD enclosure shall be NEMA 12 with inlet air filters. Drive shall be mounted on a
floor stand.

B. VFD is to be provided for motor starting and speed control where shown on electrical or mechanical
drawings.

C. VFD shall convert three-phase, [50] [60] hertz utility power to adjustable voltage and frequency, three
phase power for stepless motor speed control from 10% to 100% of the motor's [50] [60] hertz speed.
Input voltage shall be as specified on the drawing schedules.

D. VFD shall include a converter and an inverter section. The converter section shall convert fixed
frequency and voltage AC utility power to DC voltage. All VFDs shall include input line reactors or an
isolation transformer as required. The inverter section of the VFD shall invert the DC voltage into a
quality output waveform, with adjustable voltage and frequency for stepless motor speed control. The
VFD shall maintain a constant V/Hz ratio. The VFD and options shall be tested to ANSI/UL.508. The
complete drive, including all specified options, shall be listed by a nationally recognized testing agency
such as UL or ETL.

E. Power line noise shall be limited to a voltage distortion factor and line notch as defined in IEEE 519,
"Recommended Practices and requirements for harmonic control in electrical power systems". The total
voltage distortion shall not exceed 3 percent. The total feedback current harmonics not to exceed 10%.

F. The VFD shall not emit radiated RFI in excess of the limitations set forth in the FCC Rules and
Regulations, FCC Part 15 for Class A computing devices. The VFD shall carry a FCC compliance label.
PWM type drives shall include RFI filters.

G. Motor noise as a result of the VFD shall be limited to 3 dB over across the line operation measured at 1
meter from the motor's centerline.

H. VFD's full load amp rating shall meet or exceed NFPA 70, NEC Table 430-250.

I. Protective Features will include:

1. Individual motor overload protection for each motor controlled.

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2. Protection against input power under-voltage (for non-emergency motors only), over-voltage, and
phase loss.
3. Protection against output current overload and instantaneous over-current.
4. Protection against over-temperature within the VFD enclosure.
5. Protection against over-voltage on the DC bus.
6. Thermistor motor protection relay interface.
7. Protect VFD from sustained power of phase loss. Under-voltage trip activates automatically when
line voltage drops more than 10 percent below rated input voltage.
8. Automatically reset faults due to under-voltage, over-voltage, phase loss, or over-temperature.
9. Protection against output short circuit and motor winding shorting to case faults, as defined by UL
508.
10. Status lights or digital display for indication of individual fault conditions.
11. Controller capable of operating without a motor or any other equipment connected to the drive
output to facilitate start-up and troubleshooting.
12. Input line reactors shall be provided to minimize harmonics introduced to the AC line and to
provide additional protection to AC line transients.

J. Interface Features for the VFD will include:

1. Door mounted Hand/Off/Auto selector switch to start and stop the VFD. In the Auto position, the
VFD will start/stop from the controller. In the Hand position, the VFD will run regardless of the
remote contact position.
2. Manual speed control capability.
3. Local/Remote selector switch. In the Remote position, motor speed is determined by the follower
signal. In the local position, motor speed is determined by the manual speed control.
4. Power/On light to indicate that the VFD has tripped on a fault condition.
5. Digital meter with selector switch to indicate percent speed and percent load.
6. A set of form-C dry contacts, to indicate when the VFD is in the Run mode.
7. A set of form-C dry contacts, to indicate when the VFD is in the Fault mode.
8. A 0 to 10 V output signal to vary in direct proportion to the controller's speed.
9. VFD to have terminal strip and N.C. safety contacts such as freezstats, smoke alarms, etc. VFD to
safety shut down in drive or bypass mode when contacts open.

K. Adjustments will include the following:

1. Maximum speed, adjustable 15 to 100 percent base speed.

2. Acceleration time, adjustable 3 to 60 seconds.
3. Deceleration time, adjustable 3 to 60 seconds with override circuit to prevent nuisance trips if
decal time is set too short.
4. Current limit, adjustable 0 to 105 percent.
5. Overload trip set point.
6. Offset and gain to condition the input speed signal.

L. Service conditions will cover:

1. Ambient temperature, 0 to 50 deg C.

2. 0 to 95 percent relative humidity, non-condensing.
3. Elevation to 1,000 meters without derating.
4. AC line voltage variation, -10 to +10 percent of nominal.

M. Special features will include the following features in the VFD enclosure while maintaining its UL to
ETL listing:

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1. For motor ratings up to 50HP, manual by-pass shall be provided with all the circuitry necessary to
transfer the motor from the VFD to the power line or from the line to the controller. The by-pass
circuitry shall be mounted in a separate section of the VFD enclosure. Motor overload protection
shall be provided in both drive and by-pass modes.
2. A door interlocked, pad lockable drive disconnect switch shall be provided to disconnect power
from the VFD only (the disconnect shall be clearly marked as such).
3. A motor circuit protector, MCP, shall be provided as a means of disconnecting all power to both
the VFD and by-pass circuits as well as providing short circuit and locked rotor protection to the
motor while in the by-pass mode.
4. The disconnect and by-pass functions may be accomplished via disconnects, contactors and
overloads, or with a four position Drive/Off/Line/Test switch with motor starter and by-pass fuses.

2.3 STARTERS

A. Starters for three phase motors to be magnetic type to automatically disconnect motor from power supply
in case of supply failure, excessive voltage drop, overcurrent and lack of balance in phases. Overload
trips to be provided for three phases.

B. Motor Data: Obtain from equipment supplier before ordering any motor starter, or check motor nameplate
for full load current rating and allowable temperature rise in order to select proper overload thermal
element for motor starter.

C. Short circuit protection device fitted to starter to be independent of controller and overload protection.

D. Control voltage for starters and control circuits is not to exceed 110 V.

E. Step Down Control Circuit Transformers: Two winding isolating type.

F. Control Circuit Protection: Use high rupturing capacity fuses or circuit breakers.

G. Auxiliary supply for controls other than from main power circuit, to be effectively isolated by auxiliary
contacts on main isolator.

H. Control devices on starters to be as follows unless otherwise indicated or required by driven equipment:
start stop push buttons, one red pilot light for "running", one green pilot light for "stopped", one amber
pilot light for overload trip, and one reset push button.

I. Starter type A for single phase motors not exceeding 1/2 HP to be surface or flush mounted, manual two
pole toggle type, for non reversing across the line starting, fitted with one overload element.

J. Starter type B for three phase motors not exceeding 10 HP to be direct on line, non reversing, magnetic
type, with manual reset, 3 pole overload relay and under voltage protection (for non-emergency motors
only), unless otherwise required by local regulations or shown on drawings.

K. Starter type C for three phase motors over 10 HP, but not exceeding 50 HP, to be automatic star delta
magnetic non reversing type, with 3 pole overload relay and under voltage protection (for non-emergency
motors only), unless otherwise required by local regulations or shown on drawings.

L. Starter type D for three phase motors over 50 HP to be multiple step auto transformer non reversing
magnetic type, with 3 pole overload relay, under voltage protection (for non-emergency motors only),
unless otherwise required by local regulations or shown on drawings.

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M. Electronic Solid State Reduced Voltage Motor Soft Starter" to be UL listed, consisting of silicon
controlled rectifier (SCR) based power section, digital logic board and paralleling bypass contractor to
provide smooth, stepless acceleration for AC, 3-phase, [380] [400] [415] V, [50] [60] Hz induction
motors. Soft starter is to be provided for soft starting of motors where required on drawings. The
minimum peak inverse voltage rating of the SCR's to be 1500 V. Contractor to be rated for full voltage
across the line motor starting duty. Starter enclosure to be NEMA 12 for indoor installation and NEMA 3
for installations in wet and outdoor areas and provided with necessary ventilation fans. Where shown on
the drawings or indicated in the motor centre schedules, starter to be incorporated within motor control
centre. The starter is to provide the following protections and adjustments:

Adjustable electronic overload

Overhead protection for the starter

Phase sequence protection

Phase loss/unbalance protection

Under-voltage protection (For Non-Emergency motors only)

Ramp time

Initial torque

Start current limit

Motor full load current

Starter to comprise molded case motor circuit protector (with magnetic trip only) for short circuit protection.
Starter to be rated for 125% of the continuous current rating of the motor. Short circuit rating of start to
be at least 110% of the short circuit level at starter location, or as shown on the electrical drawings or
indicated in the motor control centre schedules. Soft starters for pumps to comprise smooth soft facility
for linear voltage deceleration with adjustable deceleration time

N. Individually mounted starters to be totally enclosed in sheet steel enclosure with baked enamel finish.
Design is to suit location and application. It is to be impossible to open enclosure door unless isolator is
in open position.

O. Nameplates: Starters and controls to have engraved nameplates identifying system or defining its
function.

P. Contactors: Comply with IEC 60947-4, utilization category AC3, and be 3-phase, 4-pole, magnetic type,
600 V rating, capable of interrupting at least ten times rated current inductive or non-inductive loads
under normal service conditions and are to have replaceable main arcing contacts and arc quenching
devices. Contactors are to withstand, without welding or burning of contacts, an inrush current of 20
times normal rating for 4 seconds upon closing and are to be capable of closing on the heaviest short-
circuit of the system and withstand the short-circuit for period required by upstream short-circuit
protective device to operate. Three N.O. and three N.C. spare contacts are to be provided on each
contactor.

Q. Starter Co-Ordination: Motor starter devices shall be of type 2 co-ordination to IEC 60947-4-1.

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2.4 SWITCH DISCONNECTORS

A. Switch Disconnectors: non fusible, single throw type, with AC-23 utilization category to IEC 60947-3 for
AC motors, housed in separate metallic enclosure, with arc quenching devices on each pole capable of
interrupting at least six times its rated current. They are to simultaneously interrupt power supply to all
line conductors, any neutral and control circuits.

B. Isolating Switches for single phase fractional horsepower motors to be double pole, dolly operated type,
rated 15/20 A at 250 V AC, quick make, quick break, with silver alloy contacts, flush or surface mounted
to suit application.

C. Operating Mechanism to be quick make quick break type, with external operating handle mechanically
interlocked with enclosure cover to necessitate disconnecting switch to be in OFF position for access to
inside of enclosure. Means are to be provided for by passing interlocks. Position of isolating switch to be
clearly indicated on cover.

D. Enclosure to be general purpose type, unless otherwise indicated or required, with provision for locking
operating handle in OPEN and CLOSED positions.

E. Enclosures where indicated or required by location to be weatherproof totally sealed water and dustproof
type.

2.5 COMBINATION STARTER SWITCH DISCONNECTOR

A. Components to comprise magnetic starter switch disconnector and short circuit protection devices
required by the Standards, in approved sheet metal enclosure to suit application.

B. Switch Disconnector Operating Mechanism: Quick make, quick break, with external operating handle
mechanically interlocked with enclosure cover necessitating disconnecting switch to be in OFF position
for access to inside of enclosure. Means are to be provided for by passing interlocks. Position of isolating
switch to be clearly indicated on cover.

C. Short circuit protection gear to be HRC fused cartridges or molded case circuit breakers of appropriate
current rupturing capacity. Switch disconnectors are not required if circuit breakers are used for the short
circuit protection. In this case the circuit breaker will perform the disconnection function.

D. Operation of circuit breaker to be possible from outside of enclosure. Position of breaker

ON/OFF/TRIPPED to be clearly indicated by position of handle.

2.6 PUSH BUTTONS

A. Push buttons to be one unit momentary contact START/STOP with normally open or normally closed
contacts as required by wiring diagrams and with lockout attachments. Heads to be color-coded and
STOP button to be protected. Push buttons controlling one piece of equipment to be housed in separate
enclosure.

2.7 RELAYS

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A. Relays to be multi-pole with normally open or normally closed contacts, electrically operated at 110 V
maximum, and magnetically held. Contacts to be double break silvered type, interchangeable from
normally open to normally closed without additional parts. Relays are to be rated at 10 A, 600 V.

2.8 CIRCUIT PROTECTORS AND SWITCHES / CIRCUIT BREAKERS

A. Circuit Breakers to give positive trip free operation on abnormal overloads, with quick make quick break
contacts under both manual and automatic operation. Stationary and movable contacts to be non welding
silver alloy adequately protected with effective and rapid arc interruption.

B. Motor Circuit Protector: Molded case, magnetic break type with adjustable instantaneous setting suitable
for motor protection.

C. Molded Case Switch: Similar to circuit breakers but without overload/short circuit protection. Short time
rating of switches is to be not less than the short circuit current at switch location for 3 cycles. Switches
are to have a suitable self-override instantaneous protection and to be in compliance with IEC 60947-3.

D. Branch Circuit Breakers to be 100 A minimum frame size, unless otherwise shown on the drawings.

E. Main Circuit Breakers to be 150 A minimum frame size unless otherwise shown on the Drawings.

F. Circuit Breakers And Motor Circuit Protectors are to be in compliance with IEC 60947-2, utilization
category B (for ratings 630A and above), utilization category A (for ratings below 630A), sequence II
(service capacity) for motor control centers and sequence III (ultimate capacity) for motor control panels
and combination starters unless otherwise indicated on the drawings.

G. Electronic Trip Unit: circuit breaker electronic trip unit is to be provided with adjustable long time, short
time and instantaneous current setting. In addition adjustable earth fault protection is to be provided on
trip units for main incoming circuit breakers.

H. Main incoming breakers/switches to be equipped to provide earth fault phase failure and phase sequence
protection through shunt trip coil. Earth fault detection and interruption to be time coordinated with those
of main incoming breaker on main distribution board.

I. Molded Case Circuit Breaker (MCCB) for ratings up to 1250A and Power Air Circuit Breaker (PACB)
for ratings greater than 1250A.

J. Multiple Pole Breakers to have single handle mechanism. Each pole to have inverse time delay thermal
overcurrent trip element and magnetic instantaneous overcurrent trip element for simultaneous tripping of
all poles.

K. Trip Elements to be ambient temperature compensated type.

2.9 MOTOR CONTROL CENTER

A. Type: Totally enclosed, IP 31 for indoor installation, and IP 55 for outdoor installation and in wet areas
(e.g. pump rooms), free-standing sectionalized type, modular, compartmented suitable for ratings of main
breaker and basbars above 400A, form 3b to IEC 61439-1 with separate withdrawable section for each

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motor starter and separate fixed section for main incoming breaker / switch and each outgoing feeder
circuit breaker. Sections to be designed to allow other sections to be easily added or removed.

B. Construction: 2 mm thick sheet steel, adequately reinforced and braced for maximum rigidity, sand
blasted, rust inhibited after fabrication and sprayed with one coat primer and two coats enamel internally
and externally.

C. Components: Motor control center to include the following:

1. Main incoming circuit breaker or isolating switch as shown on the Drawings for terminating
incoming supply cables and isolating the busbar system.
2. Main copper horizontal full-length busbars rated as main incoming circuit breaker or as shown on
the Drawings.
3. Branch copper vertical full height busbars of adequate capacity to distribute power to each circuit
breaker and starter served.
4. Neutral copper busbar rated at half capacity of main busbar and distributed throughout whole
motor control center.
5. Earth copper busbars minimum 25 x 6 mm extending full length of motor control center.
6. One voltmeter with commutator, range 0-415 V.
7. Ammeters on main supply with necessary current transformers.
8. Starters, circuit breakers, push buttons, indicating lights, switches, relays, contactors and
accessories as shown on the Drawings.
9. Interconnecting and interlock wiring.

D. Wiring: Motor control center wiring to be class II type B to NEMA ICS-18.

E. Busbars to be adequately isolated and braced to sustain maximum possible short circuit current.

F. Compartment doors to be interlocked so that isolators or breakers must be in OFF position before door
can be opened.

G. Spare Positions: Fully equipped cells, ready for connection to motors, are to be provided in adequate
number.

H. Space Positions: Fully equipped cells ready to receive control unit are to be provided in adequate number.
Space positions to have blank cover plates.

I. Starters, switches, other components and electrical devices to be clearly labeled in English as to number
and function, with incised letters on black Bakelite with white laminated core. Labels to be permanently
fixed under each component.

J. Incoming line connections to be made with solderless, terminal four bolt type clamps.

K. Labels: Starters, switches, electrical devices and accessories to be clearly labeled in English as to function
and number. Labels to be permanently fixed under each component.

L. Schematic and wiring diagrams to be firmly fixed within motor control centre, showing each component
and cross- referenced with component labels.

M. Submit for approval electrical schematic diagram of whole installation suggested layout of motor control
centre, interior wiring details and complete technical literature on all proposed components, prior to
fabrication or purchase.

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2.10 MOTOR CONTROL PANELS

A. Type: Wall mounted or unit mounted, lockable type, IP 31 for indoor installation and IP 55 for
installation in outdoor or wet areas, with ratings of main breaker and busbars up to 400A, form 2a to IEC
61439-1.

B. Construction: hot-dip galvanized steel sheet, finished with one coat etch primer and one coat stove
enamel internally and externally for cabinet/box; suitable for mechanical impact resistance of IK10 to
IEC 62262 for enclosures protection degree IP55 and higher and IK08 to IEC 62262 for enclosures
protection degree lower than IP55. Test certificates for mechanical impact are to be submitted for
approval; otherwise enclosure thickness is not to be less than 1.5mm.

C. Components: Panels are to contain necessary breakers, starters, push button switches, selector switches,
relays, indicating lights, interconnecting and interlock wiring and all devices and accessories required for
automatic or manual operation of equipment as specified under equipment concerned.

D. Labels: Starters, switches, electrical devices and accessories to be clearly labeled in English as to function
and number. Labels to be permanently fixed under each component.

E. Schematic and wiring diagrams to be mounted in permanent approved manner on inside of panel door.
Diagrams are to show each component cross referenced with component labels.

2.11 CONTROL SWITCHES

A. Float Switch: Level operated, heavy duty, bracket mounted type, suitable for application in open tanks,
complete with 178 mm spun copper float, brass rod, two stops, floor mounting stand, lever and
counterweight. Switch to have oil tight and dust tight enclosure and 2 pole double throw silver contacts
that open on liquid rise.

B. Pressure Switch: Industrial, heavy-duty bellows actuated type, suitable for water service, with contacts to
close on falling pressure. Range to be 0.1 to 8 kg/cm2. Switch to be good for 1720 kPa operating
pressure and to have 6 mm pipe tap bottom connection. It is to have oil tight and dust tight enclosure,
single pole double throw contacts and setting adjustment.

C. Low Suction Pressure Switch: Industrial, sensitive, low range, diaphragm actuated type, suitable for water
service, with range of 2 to 20 kPa of falling pressure, preset at factory to 3 kPa. Switch to be good for
690 kPa operating pressure and to have 6 mm pipe tap bottom connection. It is to have oil tight and dust
tight enclosure, single pole double throw contacts, range adjustment knob, sealing cap and range locking
nut.

PART 3 - EXECUTION

3.1 APPLICATIONS

A. Select features of each motor controller to coordinate with ratings and characteristics of supply circuit and
motor; required control sequence; duty cycle of motor, drive, and load; and configuration of pilot device
and control circuit affecting controller functions.

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B. Select horsepower rating of controllers to suit motor controlled.

C. Push-Button Stations: In covers of magnetic controllers for manually started motors where indicated, start
contact connected in parallel with sealing auxiliary contact for low-voltage protection.

D. Hand-off-automatic Selector Switches: In covers of manual and magnetic controllers of motors started
and stopped by automatic controls or interlocks with other equipment.

3.2 INSTALLATION

A. Install motor control centers according to manufacturer's written instructions.

B. Anchor each motor control center assembly to steel-channel sills arranged and sized according to
manufacturer's written instructions. Attach by tack welding or bolting. Level and grout sills flush with
motor control center mounting surface.

C. Install motor control centers on concrete housekeeping bases conforming to Division 3 Section "Cast-in-
Place Concrete."

D. Fuses: Install fuses in each fusible switch as indicated.

E. Power and Control Wiring: Run in separate conduits unless otherwise specified.

F. Rigid conduits are not to terminate in nor be fastened to a motor frame or base.

G. Flexible conduits to be used at motor connections. Allow sufficient slack to permit motor to slide over
adjustable length of motor base.

H. Flexible Conduits: Length and radius to be sufficient to permit bending of feeder cables without damage
to conductor or its insulation.

I. Flexible Conduits: Do not use in place of rigid conduits except at motor connections, unless otherwise
specified.

J. Support conduit with conduit supports in an adequate approved manner.

K. Conduits are not to cross pipe or vent shafts, ducts or openings. They are to be run a minimum 100 mm
away from pipes of non-electrical services.

L. Conduits: Install so that moisture can drain to lowest point. Provide screw plug at all low points for
draining.

3.3 IDENTIFICATION

A. Identify field-installed wiring and components and provide warning signs according to Division 16
Section "Basic Electrical Materials and Methods."

B. Operating Instructions: Frame printed operating instructions for motor control centers, including control
sequences, and emergency procedures. Fabricate frame of finished wood or metal and cover instructions
with clear acrylic plastic. Mount on front of motor control centers.

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C. Starters: Fix detailed wiring diagram inside enclosure cover to clearly indicate circuits.

D. Starters: Identify control and power wires either by distinctive colored insulation, engraved tags or other
approved method.

3.4 CONTROL WIRING INSTALLATION

A. Bundle, train, and support wiring in enclosures.

B. Protect circuits with high rupturing capacity fuses or circuit breakers. Auxiliary supply for controls other
than from main power circuit, to be effectively isolated by auxiliary contacts on main isolator.

C. Connect hand-off-automatic switch and other automatic control devices according to an indicated wiring
diagram or one that is manufacturer approved, where available.

1. Connect selector switches to bypass only the manual and automatic control devices that have no
safety functions when switch is in the hand position.
2. Connect selector switches with motor control circuit in both hand and automatic positions for
safety-type control devices such as low- and high-pressure cutouts, high-temperature cutouts, and
motor-overload protectors.

3.5 EARTHING

A. Earth motors by connecting green insulated conductor from earthing bushing in starter to motor frame.
Run earth conductor together with circuit wiring and terminate in motor terminal box, provided earth
terminal in box is connected to motor frame. If this is not feasible, extend earth conductor through
insulated bushed opening in terminal box and connect to motor base.

B. Earth equipment by connecting non-current carrying metal parts of system to earth source. Non-currents
carrying metal parts include conduits, cable trays, outlet boxes, cabinets, enclosures, doors, grilles, and
barriers protecting or shielding electrical equipment from direct access.

3.6 CONNECTIONS

A. Tighten motor control center bus joint, electrical connector, and terminal bolts according to
manufacturer's published torque-tightening values.

3.7 FIELD QUALITY CONTROL

A. Testing: After installing motor control center and after electrical circuitry has been energized,
demonstrate product capability and compliance with requirements.

1. Procedures: Perform recommended visual and mechanical inspection and electrical test. Certify
compliance with test parameters.
2. Remove and replace malfunctioning units with new units, and retest.

B. Circuit Breakers: Co-ordinate earth fault detection and interruption with those of main incoming breaker
on main distribution panel.

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C. Pressure Switches: Test after installation to ensure dependable operation and correct setting.

D. Low Suction Pressure Switches: Test after installation to ensure dependable operation and correct setting.

3.8 CLEANING

A. Inspect interior and exterior of motor control centers. Remove paint splatters and other spots, dirt, and
debris. Touch up scratches and mars of finish to match original finish. Clean devices internally, using
methods and materials recommended by manufacturer.

3.9 DEMONSTRATION

A. Train Employer's maintenance personnel to adjust, operate, and maintain the system installation. Refer to
Division 1 Section "[Demonstration and Training] [Closeout Procedures]."

END OF SECTION 16482

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SECTION 16511 - INTERIOR LIGHTING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes interior lighting fixtures, lighting fixtures mounted on exterior building surfaces,
lamps, ballasts, emergency lighting units, mounting provisions and connection to circuit wiring and to
corresponding lighting control equipment.

B. Related Sections include the following:

1. Division 16 Section "Basic Electrical Materials and Methods".

1.3 SUBMITTALS

A. Equipment Data: Submit data for approval including, but not limited to, the following:

1. Detailed literature on each fixture, lamp and control gear including manufacturer's name,
catalogue number, rating, material specification, overall dimensions, operating characteristics and
principles
2. Details of changes to standard fixtures for adaptation to condition of installation and to the
Specification
3. Photometric data for lighting calculations including polar light distribution curves, coefficient of
utilization, glare classification, efficiency, depreciation factors etc.
4. Dimensions of fixtures.
5. Certified results of independent laboratory tests for fixtures and lamps for electrical ratings and
photometric data.
6. Certified results of laboratory tests for fixtures and lamps for photometric performance.
7. Emergency lighting unit battery and charger.
8. Fluorescent and high-intensity-discharge ballasts.
9. Air and Thermal Performance Data: For air-handling fixtures. Furnish data required in
"Submittals" Article in Division 15 Section "Diffusers, Registers, and Grilles."
10. Sound Performance Data: For air-handling fixtures. Indicate sound power level and sound
transmission class.
11. Types of lamps.

B. Shop and Construction Drawings: Submit Drawings for approval including, but not limited to, the
following:

1. Exact position of each fixture on reflected ceiling plans, with indication of ceiling features,
structural members, ducts, pipes and other fittings, as applicable and pertinent to the installation.

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2. Installation details including suspension and mounting provisions.

3. Purpose made fixtures or lighting assemblies with full details.
4. Wiring details, circuit and panelboard references, special lighting control arrangements etc.
5. Show details of nonstandard or custom fixtures. Indicate dimensions, weights, method of field
assembly, components, features, and accessories. Detail wiring for fixtures and differentiate
between manufacturer-installed and field-installed wiring.

C. Samples: Submit fully equipped sample of each fixture type, modified if required, together with color and
texture samples of each fixture.

D. Coordination Drawings: Reflected ceiling plans and sections drawn to scale and coordinating fixture
installation with ceiling grid, ceiling-mounted items, and other components in the vicinity. Include work
of all trades that is to be installed near lighting equipment.

E. Product Certificates: Signed by manufacturers of lighting fixtures certifying that products comply with
requirements.

F. Dimming Ballast Compatibility Certificates: Signed by manufacturer of ballast certifying that ballasts are
compatible with dimming systems and equipment with which they are used.

G. Maintenance Data: For lighting fixtures to include in maintenance manuals specified in Division 1.

1.4 QUALITY ASSURANCE

A. Fixture Design and Standards: The Specification and the Drawings are a guide to the selection of lighting
characteristics and lighting fixtures, giving general features of construction, materials, method of
installation and conditions of operation. Unless otherwise specified, fixtures are to be manufacturer's
standard series, designed and manufactured for the purpose and application required, generally in
accordance with the Schedule of Lighting Fixtures and complying with IEC 60598 and CISPR 15.

B. Mockups: Provide lighting fixtures for room or module mockups. Install fixtures for mockups with
power and control connections.

1. Obtain Engineer's approval of fixtures for mockups before starting installations.

2. Maintain mockups during construction in an undisturbed condition as a standard for judging the
completed Work.
3. Remove mockups when directed. Fixtures may be reinstalled in the Work with approval of
Engineer.
4. Approved fixtures in mockups may become part of the completed Work if undisturbed at time of
Substantial Completion.

1.5 COORDINATION

A. Design Layout: Fixture layout has been determined from photometric data of specified fixtures to achieve
desired level and uniformity of illumination. Reflected ceiling plans are to be checked to ensure exact
positions of fixtures with respect to structural members, ducts, pipes, other installations and ceiling
panels/tiles, where required. Certain fixtures are shown in provisional positions, pending preparation of
final equipment layout drawings. Such fixtures are to be located in coordination with final equipment
layout so that illumination is as intended by the design.

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B. Fixtures, Mounting Hardware, and Trim: Coordinate layout and installation of lighting fixtures with
ceiling system and other construction.

1.6 EXTRA MATERIALS

A. Furnish extra materials described below that match product installed and that are packaged with
protective covering for storage and identified with labels describing contents.

1. Lamps: 10 for every 100 of each type and rating installed. Furnish at least one of each type.
2. Plastic Diffusers and Lenses: 1 for every 100 of each type and rating installed. Furnish at least
one of each type.
3. Battery and Charger Data: For emergency lighting units.
4. Ballasts: 1 for every 100 of each type and rating installed. Furnish at least one of each type.
5. Globes and Guards: 1 for every 20 of each type and rating installed. Furnish at least one of each
type.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Products: Subject to compliance with requirements, provide one of the products indicated for each
designation in the Lighting Fixture Schedule shown on Drawings.

2.2 LIGHTING FIXTURE CONSTRUCTION - GENERAL

A. Generally: Construction and wiring of fixtures are to comply with the Regulations and Standards.
Fixtures are to be fabricated, assembled and wired entirely at factory. Manufacturer's name, factory
inspection stamp and official quality label is to be fixed to each fixture supplied.

B. Lighting Fixtures (Luminaires): Manufacturer's standard, as given in Lighting Fixture Schedules shown
on the Drawings, or equal.

C. Sheet Steel Housings: Not less than 0.6 mm thick, and thicker when required by the Specification or the
Standards.

D. Sheet Steel Reflectors: Not less than 0.5 mm thick.

E. Aluminum Reflectors: Not less than 0.7 mm thick, unless otherwise approved.

F. Fabrication: Metalwork is to be mitred, welded and ground smooth without tool marks or burrs. Flat
metal parts are to be stiffened by forming grooves and edges during fabrication. Metal parts are to have
finish free from irregularities.

G. Rust-proof Ferrous Base: Ferrous metal parts are to be bonderized (treated with corrosion resistant
phosphate solution) and given an approved rust-inhibiting prime coat before application of final finish.

H. Finish for Non-Reflecting Metal Surfaces: Approved baked enamel paint. Paint color on fixture frames
and trims are to be as specified or as selected by the Engineer.

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I. Finish for Light Reflecting Surfaces: White baked enamel paint having reflection factor not less than
85%. Mirror reflectors, where specified, are to be highly polished, anodized aluminum with reflection
factors not less than 97%.

J. Mechanical Resistance of Finish: After finish has been applied on steel surfaces and cured, it is to
withstand a 6 mm radius bend without showing signs of cracking, peeling or loosening from base metal.

K. Resistance of Finish to Ultra-Violet: Finish is to withstand 72 hours exposure to an ultra-violet RS lamp

placed 100 mm from surface without discoloring, hardening or warping, and is to retain the same
reflection factor after exposure.

L. Heat Resistance: Finishes, wires and components inside fixtures are to be certified materials to resist the
temperatures or other conditions encountered in the fixtures.

M. Wiring Inside Fixtures: Not less than 1.5 mm2, and insulated for 240 V application. Insulation is to have
acceptable characteristics to resist maximum temperatures inside fixtures. Wiring is to be terminated on
screw type, fixed, insulating, terminal blocks.

N. Hinges: Fixtures with visible frames and hinged diffusers are to have concealed hinges and catches, and
stain-less steel retaining clips. Other alternative equally durable products may be submitted for approval.

O. Suspension Aligners: Provide for pendant fixtures for axial, vertical and horizontal alignment. Vertical
adjustment is to be minimum 25 mm.

P. Recessed Fixtures: Construct to fit into suspended ceilings without distorting fixture or ceiling. Plaster
rings are to be provided for plaster or concrete ceilings.

Q. Outdoor Fixtures: Non-ferrous metal or specially molded material for outdoor use.

R. Removal of parts for maintenance is to be possible without removing fixture housing.

2.3 FLUORESCENT FIXTURES

A. Lamp Holders Generally: To IEC 60400, heavy duty, molded white plastic with non-corroding spring
contacts.

B. Lamp Holders for Industrial Fittings: Spring loaded turret type, heavy duty, dust protected.

C. Ballasts Generally: To IEC 60921, IEC 61347-2-8 and IEC 61347-2-11 Only single or two-lamp ballasts
are to be used in any one fixture. Two-lamp ballasts are to be lead-lag, series type. Equipment is to be
enclosed in sheet steel casing with corrosion resistant finish.

D. Ballast thermosetting compound is not to soften, liquify or support combustion under any operating
condition or upon ballast failure, and is to fill ballast enclosure and dampen vibrations. Temperature rise,
under normal operating conditions, is not to exceed 55 deg. C above maximum ambient temperature of 40
deg. C.

E. Ballast Protection: Each ballast is to have one-time external fuse and fuse holder rated in accordance with
manufacturer's instructions.

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F. Ballast Type: Switch start, rapid start or dimming type, as stated in fixture description and as shown on
the Drawings, power factor corrected to above 0.9, having manufacturer's lowest case temperature.
Sound rating is not to exceed level given in the Standards.

G. Ballast Rating: Ballast is to be manufactured and certified for the specific lamp it controls and for
operation from nominal power supply, with voltage and frequency equal to nominal voltage and
frequency of distribution network.

H. Capacitors: To IEC 61048, IEC 61049, having snap-type connectors and fastening, bolt type M8, for
fixing to fixture.

I. Starters, if required, are to comply with IEC 60155, and are to be selected in conjunction with respective
ballast and lamp.

J. Electronic ballasts for use on 26 mm and 38 mm diameter krypton or argon filled tubes are to be used in
conjunction with electronic dimming controls. Dimming is to be possible down to 5% of normal output.
Ballasts are to be as manufactured by Helvar or Osram or other equal and approved, with service life in
excess of 10000 hours.

2.4 INCANDESCENT LAMP FIXTURES

A. Incandescent Lamp Sockets: To IEC 60061 and IEC 60238, high-grade porcelain; E27 (ES) screw
sockets for lamps not exceeding 200 W and E40 (GES) screw sockets for lamps 300 W and over.

2.5 High Intensity Discharge Lamp Fixtures

A. Type: Fixtures are to be complete units including integral ballasts (and ignitors for HPS lamps where
indicated) and lamps of required number and type, and are to have lighting distribution characteristics
equivalent to model and manufacturer indicated in the fixture description.

B. Accessories: Fixtures are to have mounting accessories, such as suspension rods or chains, rails or
brackets, and protective glass covers with gaskets for protection against dust and humidity or type of
corrosive atmosphere predominant in the location.

C. Ballasts and ignition devices are to be power factor compensated to at least 0.9 lagging, and type
specially selected for lamp type and size used. Lamp is to be able to start with at least +/-10% variation
from nominal line volt-age and continue in normal operation with dips attaining 20% for four seconds.
Compensation is to ensure there is no great increase in operating current during starting and that gear
losses do not exceed 10% of normal wattage. RF suppression circuit is to be provided.

2.6 LAMPS

A. Rated voltage of incandescent and PL lamps is to be equal to nominal voltage of distribution network.
Lamps with different rated voltages are not acceptable.

B. Incandescent Lamps for General Lighting Service (GLS): To have screw base type ES for lamps 200 W
and below and type GES for lamps 300 W and above. Inside frosted (IF) lamps are to be used unless
otherwise specified. Guaranteed rated life is to be above 800 hours and luminous output above the
following:

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1. 950 lumens for 75 W lamps

2. 1350 lumens for 100 W lamps
3. 2200 lumens for 150 W lamps
4. 3100 lumens for 300 W lamps.

C. Reflector Lamps (R): For indoor and outdoor use, with silver reflector and prismatic lens. Light beam is
to be narrow (spot), wide (flood) or extra-wide (wide flood) as indicated in the fixture description.

D. Tungsten-Halogen Lamps: Tubular, quartz, resistant to high temperatures. Guaranteed rated life is to be
above 2000 hours and luminous output above the following:

1. 9500 lumens for 500 W lamps

2. 22000 lumens for 1000 W lamps
3. 44000 lumens for 2000 W lamps.

E. Straight Tubular Fluorescent Lamps: To IEC 60081 (SSA 138 and SSA 139) and, unless otherwise
specified, are to be switch start type, bi-pin, rated as indicated in the fixture description and with
improved fluorescent internal coating. Color of light is to be 'superb quality white' equal to Philips Nb 84
unless otherwise specified. Lamps are to be low energy type with tube diameter 26 mm. Guaranteed
rated life is to be above 8000 hours and luminous output above the following:

1. 1300 lumens for 18 W lamps (600 mm long)

2. 3200 lumens for 36 W lamps (1200 mm long)
3. 5200 lumens for 58 W lamps (1500 mm long).

F. Circular Fluorescent Lamps: 32 W, 305 mm diameter, or 60 W, 406 mm diameter as shown on the

Drawings.

G. SL Lamps: Compact, low pressure, discharge lamps, integral with control gear, housed in opal prismatic
glass bulb, with ES screw base, and rated as indicated in the fixture description. Guaranteed rated life is
to be above 5000 hours and luminous output, for clear prismatic lamps, above the following:

1. 425 lumens for 9 W lamps

2. 600 lumens for 13 W lamps
3. 900 lumens for 18 W lamps
4. 1200 lumens for 25 W lamps.

Lamps are to be type SL as manufactured by Philips or Osram or other equal and approved.

H. PL-C Compact Lamps: Single ended, compact-miniature lamp, consisting of four narrow fluorescent
tubes welded together, with integral instant starter and capacitor and with special two-pin plug-in base
and socket. Guaranteed rated life is to be above 5000 hours and luminous output above the following:

1. 600 lumens for 10 W lamps (95 mm long)

2. 900 lumens for 13 W lamps (130 mm long)
3. 1200 lumens for 18 W lamps (150 mm long)
4. 1800 lumens for 26 W lamps (170 mm long).

Lamps are to be type PLC as manufactured by Osram/Philips or Osram/Sylvania or other equal and
approved, with warm color impression.

INTERIOR LIGHTING 16511 - 6

 UK Implant

I. High Pressure Mercury Vapor Lamps: To IEC 60188, and to include quartz discharge tube in an
internally coated ovoid outer tube. Coating is to be yttrium vanadate phosphor with color temperature of
3300 deg. K. Guaranteed rated life is to be above 8000 hours and luminous output above the following:

1. 3800 lumens for 80 W lamps

2. 6500 lumens for 125 W lamps
3. 14000 lumens for 250 W lamps.

J. High Pressure Sodium Lamps: Type Sont (tubular), with guaranteed average rated life (down to 80%
output) above 10000 hours, and having initial luminous output above the following:

1. 15000 lumens for 150 W lamps

2. 25000 lumens for 250 W lamps
3. 50000 lumens for 400 W lamps
4. 135000 lumens for 1000 W lamps.

K. Metal Halide Lamps: Comprising quartz discharge tube enclosed in clear tubular hard-glass outer bulb,
operating on same principle as all gas discharge tubes with iodide additives indium, thallium and sodium
in the mercury discharge, to increase intensity in three spectral bands; blue, green and yellow-red with
high color rendering. Lamps are to be to IEC 61167 with E40 base. Guaranteed average life is not to be
less than 10000 hours and luminous outputs, after 100 hours burning, are to be above the following:

1. 32500 lumens for 400 W lamps

2. 90000 lumens for 1000 W lamps
3. 190000 lumens for 2000 W lamps.

Permissible base temperature is to be not greater than 250 deg. C, and maximum bulb temperature not
greater than 550 deg. C. Lamp burning position for 2000 W, 220 V lamp is to be possible up to 75
degrees.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Generally: Install fixtures level, aligned and parallel or square to building lines and at uniform heights as
shown on the Drawings or as approved by Engineer. Make final height adjustment after installation.

B. Fixture Support: Provide fixture and/or fixture outlet boxes with hangers, brackets and flanged bolted
fittings, as necessary, to support weight of fixture. Submit details of hangers etc. and method of fastening
for approval. Rigidly secure fixtures mounted on outlet boxes to fixture studs. Install hooks or extension
pieces, when required, for proper installation. Provide one point of support in addition to the outlet box
fixture stud for individually mounted fixtures longer than 600 mm.

C. Stem Hangers: Provide two stem hangers for individually mounted pendant fixtures. Stems are to have
suspension aligners and are to be of suitable length for suspending fixtures at required height.

D. Suspended Ceilings: If ceiling construction is unable to support weight of fixtures without strain or
deformation, suspend fixtures directly from building structure.

INTERIOR LIGHTING 16511 - 7

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E. Solid Ceilings: Coordinate dimensions of recesses in ceilings with exact fixture dimensions and structural
elements.

F. Continuous Rows: Arrange fixtures so that individual fixture can be removed without dismantling
remaining fixtures. Provide minimum spacing between fixtures.

G. Cover Plates: Install cover plates over fixture outlet box or opening in ceiling or structure when left
unused.

H. Flush Recessed Fixtures: Install to completely eliminate light leakage within fixture and between fixture
and adjacent finished surface.

I. Ventilation: Keep ventilation channels free after fixture is installed, if required by the design of the
fixture.

J. Earth metal frames of as described in Division 16 Section "Grounding and Bonding".

K. Tightness: Ensure that enclosed fixtures are reasonably insect/dust tight when installed, and completely
weather- proof for installations subject to weather conditions.

L. Lamps for Permanent Installation: Place new lamps in fixtures immediately prior to hand-over and when
instructed by Engineer. Lamps used for temporary service are not to be used for final lamping of fixtures.

M. Fixtures: Set level, plumb, and square with ceiling and walls, and secure according to manufacturer's
written instructions and approved submittal materials. Install lamps in each fixture.

N. Support for Fixtures in or on Grid-Type Suspended Ceilings: Use grid for support.

1. Install a minimum of four ceiling support system rods or wires for each fixture. Locate not more
than 150 mm from fixture corners.
2. Support Clips: Fasten to fixtures and to ceiling grid members at or near each fixture corner.

3.2 INSPECTION AND TESTS ON SITE

A. Visual Inspection: Check neatness of installation, uniformity of equipment and nameplates etc.

B. Illumination Measurements: Taken at selected locations, to determine level and uniformity.

C. Operation: Check lighting installations for operation including control and regulation equipment.

D. Electrical Data: Measure power factor, current and voltage at start for installations with discharge lamps.

E. Inspect each installed fixture for damage. Replace damaged fixtures and components.

F. Advance Notice: Give dates and times for field tests.

G. Provide instruments to make and record test results.

H. Tests: As follows:

1. Verify normal operation of each fixture after installation.

INTERIOR LIGHTING 16511 - 8

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2. Emergency Lighting: Interrupt electrical supply to demonstrate proper operation.

3. Verify normal transfer to battery source and retransfer to normal.
4. Report results in writing.

I. Malfunctioning Fixtures and Components: Replace or repair, then retest. Repeat procedure until units
operate properly.

J. Corrosive Fixtures: Replace during warranty period.

3.3 CLEANING AND ADJUSTING

A. Clean fixtures internally and externally after installation. Use methods and materials recommended by
manufacturer.

B. Adjust aimable fixtures to provide required light intensities.

END OF SECTION 16511

INTERIOR LIGHTING 16511 - 9

 PROJECT NAME

SECTION 16543 - UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Conduit, ducts, and duct accessories for [direct-buried] [and] [concrete-encased] duct
banks[, and in single duct runs].
2. Handholes and boxes.
3. Manholes.

1.3 DEFINITION

A. RNC: Rigid nonmetallic conduit.

1.4 ACTION SUBMITTALS

A. Product Data: For the following:

1. Duct-bank materials, including separators and miscellaneous components.

2. Ducts and conduits and their accessories, including elbows, end bells, bends, fittings, and
solvent cement.
3. Accessories for manholes, handholes, boxes[, and other utility structures].
4. Warning tape.
5. Warning planks.

B. Shop Drawings for Precast or Factory-Fabricated Underground Utility Structures: Include plans,
elevations, sections, details, attachments to other work, and accessories, including the following:

1. Duct entry provisions, including locations and duct sizes.

2. Reinforcement details.
3. Frame and cover design and manhole frame support rings.
4. [Ladder] [Step] details.
5. Grounding details.
6. Dimensioned locations of cable rack inserts, pulling-in and lifting irons, and sumps.
7. Joint details.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 1

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C. Shop Drawings for Factory-Fabricated Handholes and Boxes Other Than Precast Concrete:
Include dimensioned plans, sections, and elevations, and fabrication and installation details,
including the following:

1. Duct entry provisions, including locations and duct sizes.

2. Cover design.
3. Grounding details.
4. Dimensioned locations of cable rack inserts, and pulling-in and lifting irons.

1.5 INFORMATIONAL SUBMITTALS

A. Duct-Bank Coordination Drawings: Show duct profiles and coordination with other utilities and
underground structures.

1. Include plans and sections, drawn to scale, and show bends and locations of expansion
fittings.
2. Drawings shall be signed and sealed by a qualified professional engineer.

B. Product Certificates: For concrete and steel used in precast concrete [manholes] [and]
[handholes], as required by ASTM C 858.

C. Qualification Data: For professional engineer and testing agency.

D. Source quality-control test reports.

E. Field quality-control test reports.

1.6 QUALITY ASSURANCE

A. Testing Agency Qualifications: Qualified according to ASTM E 329 for testing indicated.

B. Comply with ANSI C2.

C. Comply with NFPA 70.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver ducts to Project site with ends capped. Store nonmetallic ducts with supports to prevent
bending, warping, and deforming.

B. Store [precast concrete] [and] [other factory-fabricated] underground utility structures at

Project site as recommended by manufacturer to prevent physical damage. Arrange so
identification markings are visible.

C. Lift and support precast concrete units only at designated lifting or supporting points.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 2

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1.8 PROJECT CONDITIONS

A. Interruption of Existing Electrical Service: Do not interrupt electrical service to facilities

occupied by Owner or others unless permitted under the following conditions and then only after
arranging to provide temporary electrical service according to requirements indicated:

1. Notify [Architect] [Construction Manager] [Owner] no fewer than [two] <Insert

number> days in advance of proposed interruption of electrical service.
2. Do not proceed with interruption of electrical service without [Architect's] [Construction
Manager's] [Owner's] written permission.

1.9 COORDINATION

A. Coordinate layout and installation of ducts, manholes, handholes, and boxes with final
arrangement of other utilities, site grading, and surface features as determined in the field.

B. Coordinate elevations of ducts and duct-bank entrances into manholes, handholes, and boxes with
final locations and profiles of ducts and duct banks as determined by coordination with other
utilities, underground obstructions, and surface features. Revise locations and elevations from
those indicated as required to suit field conditions and to ensure that duct runs drain to manholes
and handholes, and as approved by Architect.

1.10 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with
protective covering for storage and identified with labels describing contents.

B. Furnish cable-support stanchions, arms, [insulators, ] <Insert other accessories and

specialties> and associated fasteners in quantities equal to [5] <Insert number> percent of
quantity of each item installed.

PART 2 - PRODUCTS

2.1 CONDUIT

A. Rigid Steel Conduit: Galvanized. Comply with ANSI C80.1.

B. RNC: NEMA TC 2, [Type EPC-40-PVC] [and] [Type EPC-80-PVC], UL 651, with matching
fittings by same manufacturer as the conduit, complying with NEMA TC 3 and UL 514B.

2.2 NONMETALLIC DUCTS AND DUCT ACCESSORIES

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering

products that may be incorporated into the Work include, but are not limited to, the following:

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 3

 PROJECT NAME

B. Manufacturers: Subject to compliance with requirements, provide products by one of the

following:

C. Basis-of-Design Product: Subject to compliance with requirements, provide [the product

indicated on Drawings] <Insert manufacturer's name; product name or designation> or a
comparable product by one of the following:

1. ARNCO Corp.
2. Beck Manufacturing.
3. Cantex, Inc.
4. CertainTeed Corp.; Pipe & Plastics Group.
5. Condux International, Inc.
6. ElecSys, Inc.
7. Electri-Flex Company.
8. IPEX Inc.
9. Lamson & Sessions; Carlon Electrical Products.
10. Manhattan/CDT; a division of Cable Design Technologies.
11. Spiraduct/AFC Cable Systems, Inc.
12. <Insert manufacturer's name.>

D. Underground Plastic Utilities Duct: NEMA TC 6 & 8, Type EB-20-PVC, ASTM F 512,
UL 651A, with matching fittings by the same manufacturer as the duct, complying with
NEMA TC 9.

E. Underground Plastic Utilities Duct: NEMA TC 6 & 8, [Type DB-60-PVC] [and] [Type DB-
120-PVC], ASTM F 512, with matching fittings by the same manufacturer as the duct, complying
with NEMA TC 9.

F. Duct Accessories:

1. Duct Separators: Factory-fabricated rigid PVC interlocking spacers, sized for type and
sizes of ducts with which used, and selected to provide minimum duct spacings indicated
while supporting ducts during concreting or backfilling.
2. Warning Tape: Underground-line warning tape specified in Division 26 Section
"Identification for Electrical Systems."
3. Concrete Warning Planks: Nominal 12 by 24 by 3 inches (300 by 600 by 76 mm) in size,
manufactured from 6000-psi (41-MPa) concrete.

a. Color: Red dye added to concrete during batching.

b. Mark each plank with "ELECTRIC" in 2-inch- (50-mm-) high, 3/8-inch- (10-mm-)
deep letters.

2.3 PRECAST CONCRETE HANDHOLES AND BOXES

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering

products that may be incorporated into the Work include, but are not limited to, the following:

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 4

 PROJECT NAME

B. Manufacturers: Subject to compliance with requirements, provide products by one of the

following:

1. Carder Concrete Products.

2. Christy Concrete Products.
3. Elmhurst-Chicago Stone Co.
4. Oldcastle Precast Group.
5. Riverton Concrete Products; a division of Cretex Companies, Inc.
6. Utility Concrete Products, LLC.
7. Utility Vault Co.
8. Wausau Tile, Inc.
9. <Insert manufacturer's name.>

C. Comply with ASTM C 858 for design and manufacturing processes.

D. Description: Factory-fabricated, reinforced-concrete, monolithically poured walls and bottom

unless open-bottom enclosures are indicated. Frame and cover shall form top of enclosure and
shall have load rating consistent with that of handhole or box.

1. Frame and Cover: Weatherproof cast-iron frame, with cast-iron cover with recessed cover
hook eyes and tamper-resistant, captive, cover-securing bolts.
2. Frame and Cover: Weatherproof steel frame, with steel cover with recessed cover hook
eyes and tamper-resistant, captive, cover-securing bolts.
3. Frame and Cover: Weatherproof steel frame, with hinged steel access door assembly with
tamper-resistant, captive, cover-securing bolts.

a. Cover Hinges: Concealed, with hold-open ratchet assembly.

b. Cover Handle: Recessed.

4. Frame and Cover: Weatherproof aluminum frame with hinged aluminum access door
assembly with tamper-resistant, captive, cover-securing bolts.

a. Cover Hinges: Concealed, with hold-open ratchet assembly.

b. Cover Handle: Recessed.

5. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50.
6. Cover Legend: Molded lettering, ["ELECTRIC."] ["TELEPHONE."] [As indicated
for each service.] <Insert legend.>
7. Configuration: Units shall be designed for flush burial and have [open] [closed] [integral
closed] bottom, unless otherwise indicated.
8. Extensions and Slabs: Designed to mate with bottom of enclosure. Same material as
enclosure.

a. Extension shall provide increased depth of [12 inches (300 mm)] <Insert
dimension>.
b. Slab: Same dimensions as bottom of enclosure, and arranged to provide closure.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 5

 PROJECT NAME

9. Windows: Precast openings in walls, arranged to match dimensions and elevations of

approaching ducts and duct banks plus an additional 12 inches (300 mm) vertically and
horizontally to accommodate alignment variations.

a. Windows shall be located no less than 6 inches (150 mm) from interior surfaces of
walls, floors, or frames and covers of handholes, but close enough to corners to
facilitate racking of cables on walls.
b. Window opening shall have cast-in-place, welded wire fabric reinforcement for field
cutting and bending to tie in to concrete envelopes of duct banks.
c. Window openings shall be framed with at least two additional No. 4 steel reinforcing
bars in concrete around each opening.

10. Duct Entrances in Handhole Walls: Cast end-bell or duct-terminating fitting in wall for
each entering duct.

a. Type and size shall match fittings to duct or conduit to be terminated.

b. Fittings shall align with elevations of approaching ducts and be located near interior
corners of handholes to facilitate racking of cable.

11. Handholes [12 inches wide by 24 inches long (300 mm wide by 600 mm long)] <Insert
dimensions> and larger shall have inserts for cable racks and pulling-in irons installed
before concrete is poured.

2.4 HANDHOLES AND BOXES OTHER THAN PRECAST CONCRETE

A. Description: Comply with SCTE 77.

1. Color: [Gray] [Green].

2. Configuration: Units shall be designed for flush burial and have [open] [closed] [integral
closed] bottom, unless otherwise indicated.
3. Cover: Weatherproof, secured by tamper-resistant locking devices and having structural
load rating consistent with enclosure.
4. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50.
5. Cover Legend: Molded lettering, ["ELECTRIC."] ["TELEPHONE."] [As indicated
for each service.] <Insert legend.>
6. Direct-Buried Wiring Entrance Provisions: Knockouts equipped with insulated bushings
or end-bell fittings, selected to suit box material, sized for wiring indicated, and arranged
for secure, fixed installation in enclosure wall.
7. Duct Entrance Provisions: Duct-terminating fittings shall mate with entering ducts for
secure, fixed installation in enclosure wall.
8. Handholes [12 inches wide by 24 inches long (300 mm wide by 600 mm long)] <Insert
dimensions> and larger shall have factory-installed inserts for cable racks and pulling-in
irons.

B. Polymer Concrete Handholes and Boxes with Polymer Concrete Cover: Molded of sand and
aggregate, bound together with a polymer resin, and reinforced with steel or fiberglass or a
combination of the two.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 6

 PROJECT NAME

1. Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated into the Work include, but are not limited to,
the following:
2. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
3. Basis-of-Design Product: Subject to compliance with requirements, provide [the product
indicated on Drawings] <Insert manufacturer's name; product name or designation>
or a comparable product by one of the following:

a. Armorcast Products Company.

b. Carson Industries LLC.
c. CDR Systems Corporation.
d. NewBasis.
e. <Insert manufacturer's name.>

C. Fiberglass Handholes and Boxes with Polymer Concrete Frame and Cover: Sheet-molded,
fiberglass-reinforced, polyester resin enclosure joined to polymer concrete top ring or frame.

1. Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated into the Work include, but are not limited to,
the following:
2. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
3. Basis-of-Design Product: Subject to compliance with requirements, provide [the product
indicated on Drawings] <Insert manufacturer's name; product name or designation>
or a comparable product by one of the following:

a. Armorcast Products Company.

b. Carson Industries LLC.
c. Christy Concrete Products.
d. Synertech Moulded Products, Inc.; a division of Oldcastle Precast.
e. <Insert manufacturer's name.>

D. Fiberglass Handholes and Boxes: Molded of fiberglass-reinforced polyester resin, with covers of
[polymer concrete] [reinforced concrete] [cast iron] [hot-dip galvanized-steel diamond
plate] [fiberglass].

1. Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated into the Work include, but are not limited to,
the following:
2. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
3. Basis-of-Design Product: Subject to compliance with requirements, provide [the product
indicated on Drawings] <Insert manufacturer's name; product name or designation>
or a comparable product by one of the following:

a. Carson Industries LLC.

b. Christy Concrete Products.
c. Nordic Fiberglass, Inc.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 7

 PROJECT NAME

d. <Insert manufacturer's name.>

E. High-Density Plastic Boxes: Injection molded of high-density polyethylene or copolymer-

polypropylene. Cover shall be [polymer concrete] [hot-dip galvanized-steel diamond plate]
[plastic].

1. Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated into the Work include, but are not limited to,
the following:
2. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
3. Basis-of-Design Product: Subject to compliance with requirements, provide [the product
indicated on Drawings] <Insert manufacturer's name; product name or designation>
or a comparable product by one of the following:

a. Carson Industries LLC.

b. Nordic Fiberglass, Inc.
c. PenCell Plastics.
d. <Insert manufacturer's name.>

2.5 PRECAST MANHOLES

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering

products that may be incorporated into the Work include, but are not limited to, the following:

B. Manufacturers: Subject to compliance with requirements, provide products by one of the

following:

1. Carder Concrete Products.

2. Christy Concrete Products.
3. Elmhurst-Chicago Stone Co.
4. Oldcastle Precast Group.
5. Riverton Concrete Products; a division of Cretex Companies, Inc.
6. Utility Concrete Products, LLC.
7. Utility Vault Co.
8. Wausau Tile, Inc.
9. <Insert manufacturer's name.>

C. Comply with ASTM C 858[, with structural design loading as specified in Part 3
"Underground Enclosure Application" Article] and with interlocking mating sections,
complete with accessories, hardware, and features.

1. Windows: Precast openings in walls, arranged to match dimensions and elevations of

approaching ducts and duct banks plus an additional 12 inches (300 mm) vertically and
horizontally to accommodate alignment variations.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 8

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a. Windows shall be located no less than 6 inches (150 mm) from interior surfaces of
walls, floors, or roofs of manholes, but close enough to corners to facilitate racking
of cables on walls.
b. Window opening shall have cast-in-place, welded wire fabric reinforcement for field
cutting and bending to tie in to concrete envelopes of duct banks.
c. Window openings shall be framed with at least two additional No. 4 steel reinforcing
bars in concrete around each opening.

2. Duct Entrances in Manhole Walls: Cast end-bell or duct-terminating fitting in wall for
each entering duct.

a. Type and size shall match fittings to duct or conduit to be terminated.

b. Fittings shall align with elevations of approaching ducts and be located near interior
corners of manholes to facilitate racking of cable.

D. Concrete Knockout Panels: 1-1/2 to 2 inches (38 to 50 mm) thick, for future conduit entrance
and sleeve for ground rod.

E. Joint Sealant: Asphaltic-butyl material with adhesion, cohesion, flexibility, and durability
properties necessary to withstand maximum hydrostatic pressures at the installation location with
the ground-water level at grade.

2.6 CAST-IN-PLACE MANHOLES

A. Description: Underground utility structures, constructed in place, complete with accessories,

hardware, and features. Include concrete knockout panels for conduit entrance and sleeve for
ground rod.

B. Materials: Comply with ASTM C 858 and with Division 03 Section "Cast-in-Place Concrete."

C. Structural Design Loading: As specified in Part 3 "Underground Enclosure Application" Article.

2.7 UTILITY STRUCTURE ACCESSORIES

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering

products that may be incorporated into the Work include, but are not limited to, the following:

B. Manufacturers: Subject to compliance with requirements, provide products by one of the

following:

1. Bilco Company (The).

2. Campbell Foundry Company.
3. Carder Concrete Products.
4. Christy Concrete Products.
5. East Jordan Iron Works, Inc.
6. Elmhurst-Chicago Stone Co.
7. McKinley Iron Works, Inc.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 9

 PROJECT NAME

8. Neenah Foundry Company.

9. NewBasis.
10. Oldcastle Precast Group.
11. Osburn Associates, Inc.
12. Pennsylvania Insert Corporation.
13. Riverton Concrete Products; a division of Cretex Companies, Inc..
14. Strongwell Corporation; Lenoir City Division.
15. Underground Devices, Inc.
16. Utility Concrete Products, LLC.
17. Utility Vault Co.
18. Wausau Tile, Inc.
19. <Insert manufacturer's name.>

C. Manhole Frames, Covers, and Chimney Components: Comply with structural design loading
specified for manhole.

1. Frame and Cover: Weatherproof, [gray cast iron complying with ASTM A 48/A 48M,
Class 30B] [cast aluminum] with milled cover-to-frame bearing surfaces; diameter, [26
inches (660 mm)] [29 inches (737 mm)].

a. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50.
b. Special Covers: Recess in face of cover designed to accept finish material in paved
areas.

2. Cover Legend: Cast in. Selected to suit system.

a. Legend: "ELECTRIC-LV" for duct systems with power wires and cables for
systems operating at 600 V and less.
b. Legend: "ELECTRIC-HV" for duct systems with medium-voltage cables.
c. Legend: "SIGNAL" for communications, data, and telephone duct systems.

3. Manhole Chimney Components: Precast concrete rings with dimensions matched to those
of roof opening.

a. Mortar for Chimney Ring and Frame and Cover Joints: Comply with ASTM C 270,
Type M, except for quantities less than 2.0 cu. ft. (60 L) where packaged mix
complying with ASTM C 387, Type M, may be used.

D. Manhole Sump Frame and Grate: ASTM A 48/A 48M, Class 30B, gray cast iron.

E. Pulling Eyes in Concrete Walls: Eyebolt with reinforcing-bar fastening insert, 2-inch- (50-mm-)
diameter eye, and 1-by-4-inch (25-by-100-mm) bolt.

1. Working Load Embedded in 6-Inch (150-mm), 4000-psi (27.6-MPa) Concrete: 13,000-lbf

(58-kN) minimum tension.

F. Pulling Eyes in Nonconcrete Walls: Eyebolt with reinforced fastening, 1-1/4-inch- (32-mm-)
diameter eye, rated [2500-lbf (11-kN)] <Insert rating> minimum tension.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 10

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G. Pulling-In and Lifting Irons in Concrete Floors: 7/8-inch- (22-mm-) diameter, hot-dip galvanized,
bent steel rod; stress relieved after forming; and fastened to reinforcing rod. Exposed triangular
opening.

1. Ultimate Yield Strength: 40,000-lbf (180-kN) shear and 60,000-lbf (270-kN) tension.

H. Bolting Inserts for Concrete Utility Structure Cable Racks and Other Attachments: Flared,
threaded inserts of noncorrosive, chemical-resistant, nonconductive thermoplastic material; 1/2-
inch (13-mm) ID by 2-3/4 inches (69 mm) deep, flared to 1-1/4 inches (32 mm) minimum at base.

1. Tested Ultimate Pullout Strength: 12,000 lbf (53 kN) minimum.

I. Expansion Anchors for Installation after Concrete Is Cast: Zinc-plated, carbon-steel-wedge type
with stainless-steel expander clip with 1/2-inch (13-mm) bolt, 5300-lbf (24-kN) rated pullout
strength, and minimum 6800-lbf (30-kN) rated shear strength.

J. Cable Rack Assembly: Steel, [hot-rolled] [hot-dip] galvanized, except insulators.

1. Stanchions: T-section or channel; 2-1/4-inch (57-mm) nominal size; punched with 14

holes on 1-1/2-inch (38-mm) centers for cable-arm attachment.
2. Arms: 1-1/2 inches (38 mm) wide, lengths ranging from 3 inches (75 mm) with 450-lb
(204-kg) minimum capacity to 18 inches (460 mm) with 250-lb (114-kg) minimum
capacity. Arms shall have slots along full length for cable ties and be arranged for secure
mounting in horizontal position at any vertical location on stanchions.
3. Insulators: High-glaze, wet-process porcelain arranged for mounting on cable arms.

K. Cable Rack Assembly: Nonmetallic. Components fabricated from nonconductive, fiberglass-

reinforced polymer.

1. Stanchions: Nominal 36 inches (900 mm) high by 4 inches (100 mm) wide, with minimum
of 9 holes for arm attachment.
2. Arms: Arranged for secure, drop-in attachment in horizontal position at any location on
cable stanchions, and capable of being locked in position. Arms shall be available in
lengths ranging from 3 inches (75 mm) with 450-lb (204-kg) minimum capacity to 20
inches (508 mm) with 250-lb (114-kg) minimum capacity. Top of arm shall be nominally 4
inches (100 mm) wide, and arm shall have slots along full length for cable ties.

L. Duct-Sealing Compound: Nonhardening, safe for contact with human skin, not deleterious to
cable insulation, and workable at temperatures as low as 35 deg F (2 deg C). Capable of
withstanding temperature of 300 deg F (150 deg C) without slump and adhering to clean surfaces
of plastic ducts, metallic conduits, conduit coatings, concrete, masonry, lead, cable sheaths, cable
jackets, insulation materials, and common metals.

M. Fixed Manhole Ladders: Arranged for attachment to [roof] [or] [wall] [ and floor] of manhole.
Ladder and mounting brackets and braces shall be fabricated from [nonconductive, structural-
grade, fiberglass-reinforced resin] [hot-dip galvanized steel].

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 11

 PROJECT NAME

N. Portable Manhole Ladders: UL-listed, heavy-duty [wood] [fiberglass] specifically designed for
portable use for access to electrical manholes. Minimum length equal to distance from deepest
manhole floor to grade plus 36 inches (900 mm). [One] <Insert quantity> required.

O. Cover Hooks: [Heavy duty, designed for lifts 60 lbf (270 N) and greater] [Light duty,
designed for lifts less than 60 lbf (270 N)]. [Two] <Insert quantity> required.

2.8 SOURCE QUALITY CONTROL

A. Test and inspect precast concrete utility structures according to ASTM C 1037.

B. Nonconcrete Handhole and Pull-Box Prototype Test: Test prototypes of manholes and boxes for
compliance with SCTE 77. Strength tests shall be for specified tier ratings of products supplied.

1. Tests of materials shall be performed by a independent testing agency.

2. Strength tests of complete boxes and covers shall be by either an independent testing
agency or the manufacturer. A qualified registered professional engineer shall certify tests
by manufacturer.
3. Testing machine pressure gages shall have current calibration certification complying with
ISO 9000 and ISO 10012, and traceable to NIST standards.

PART 3 - EXECUTION

3.1 UNDERGROUND DUCT APPLICATION

A. Ducts for Electrical Cables Over 600 V: RNC, NEMA Type [EPC-80] [EPC-40] [EB-20]-PVC,
in concrete-encased duct bank, unless otherwise indicated.

B. Ducts for Electrical Feeders 600 V and Less: RNC, NEMA Type [EPC-80] [EPC-40] [EB-20]-
PVC, in concrete-encased duct bank, unless otherwise indicated.

C. Ducts for Electrical Feeders 600 V and Less: RNC, NEMA Type [EPC-80] [EPC-40]-PVC, in
direct-buried duct bank, unless otherwise indicated.

D. Ducts for Electrical Branch Circuits: RNC, NEMA Type [EPC-80] [EPC-40]-PVC, in direct-
buried duct bank, unless otherwise indicated.

E. Underground Ducts for Telephone, Communications, or Data Utility Service Cables: RNC,
NEMA Type [EPC-40] [EB-20]-PVC, in concrete-encased duct bank, unless otherwise indicated.

F. Underground Ducts for Telephone, Communications, or Data Utility Service Cables: [RNC,
NEMA Type EPC-40-PVC,] [Underground plastic utilities duct, NEMA Type DB-60-PVC,]
[Underground plastic utilities duct, NEMA Type DB-120-PVC,] installed in [direct-buried]
[concrete-encased] duct bank, unless otherwise indicated.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 12

 PROJECT NAME

G. Underground Ducts for Telephone, Communications, or Data Circuits: RNC, NEMA

Type [EPC-40] [DB-60] [DB-120]-PVC, in direct-buried duct bank, unless otherwise indicated.

H. Underground Ducts for Telephone, Communications, or Data Circuits: RNC, NEMA Type EB-
20-PVC, in concrete-encased duct bank, unless otherwise indicated.

I. Underground Ducts Crossing [Paved Paths] [Walks] [and] [Driveways] [Roadways] [and
Railroads]: RNC, NEMA Type EPC-40-PVC, encased in reinforced concrete.

3.2 UNDERGROUND ENCLOSURE APPLICATION

A. Handholes and Boxes for 600 V and Less[, Including Telephone, Communications, and Data
Wiring]:

1. Units in Roadways and Other Deliberate Traffic Paths: Precast concrete.

AASHTO HB 17, [H-10] [H-20] structural load rating.
2. Units in Driveway, Parking Lot, and Off-Roadway Locations, Subject to Occasional,
Nondeliberate Loading by Heavy Vehicles: [Precast concrete, AASHTO HB 17, H-20]
[Polymer concrete, SCTE 77, Tier 15] [Fiberglass enclosures with polymer concrete
frame and cover, SCTE 77, Tier 15] [Fiberglass-reinforced polyester resin, SCTE 77,
Tier 15] [High-density plastic, SCTE 77, Tier 15] structural load rating.
3. Units in Sidewalk and Similar Applications with a Safety Factor for Nondeliberate Loading
by Vehicles: [Precast concrete, AASHTO HB 17, H-10] [Polymer concrete units,
SCTE 77, Tier 8] [Heavy-duty fiberglass units with polymer concrete frame and
cover, SCTE 77, Tier 8] [High-density plastic, SCTE 77, Tier 8] structural load rating.
4. Units Subject to Light-Duty Pedestrian Traffic Only: [Fiberglass-reinforced polyester
resin] [High-density plastic], structurally tested according to SCTE 77 with 3000-lbf
(13 345-N) vertical loading.

B. Manholes: [Precast] [or] [cast-in-place] concrete.

1. Units Located in Roadways and Other Deliberate Traffic Paths by Heavy or Medium
Vehicles: H-20 structural load rating according to AASHTO HB 17.
2. Units Not Located in Deliberate Traffic Paths by Heavy or Medium Vehicles: H-10 load
rating according to AASHTO HB 17.

3.3 EARTHWORK

A. Excavation and Backfill: Comply with Division 31 Section "Earth Moving," but do not use
heavy-duty, hydraulic-operated, compaction equipment.

B. Restore surface features at areas disturbed by excavation and reestablish original grades, unless
otherwise indicated. Replace removed sod immediately after backfilling is completed.

C. Restore areas disturbed by trenching, storing of dirt, cable laying, and other work. Restore
vegetation and include necessary topsoiling, fertilizing, liming, seeding, sodding, sprigging, and
mulching. Comply with Division 32 Sections "Turf and Grasses" and "Plants."

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 13

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D. Cut and patch existing pavement in the path of underground ducts and utility structures according
to Division 01 Section "Cutting and Patching."

3.4 DUCT INSTALLATION

A. Slope: Pitch ducts a minimum slope of 1:300 down toward manholes and handholes and away
from buildings and equipment. Slope ducts from a high point in runs between two manholes to
drain in both directions.

B. Curves and Bends: Use 5-degree angle couplings for small changes in direction. Use
manufactured long sweep bends with a minimum radius of [48 inches (1220 mm)] [12.5 feet
(4 m)] [25 feet (7.5 m)], both horizontally and vertically, at other locations, unless otherwise
indicated.

C. Joints: Use solvent-cemented joints in ducts and fittings and make watertight according to
manufacturer's written instructions. Stagger couplings so those of adjacent ducts do not lie in
same plane.

D. Duct Entrances to Manholes and Concrete and Polymer Concrete Handholes: Use end bells,
spaced approximately 10 inches (250 mm) o.c. for 5-inch (125-mm) ducts, and vary
proportionately for other duct sizes.

1. Begin change from regular spacing to end-bell spacing 10 feet (3 m) from the end bell
without reducing duct line slope and without forming a trap in the line.
2. Direct-Buried Duct Banks: Install an expansion and deflection fitting in each conduit in
the area of disturbed earth adjacent to manhole or handhole.
3. Grout end bells into structure walls from both sides to provide watertight entrances.

E. Building Wall Penetrations: Make a transition from underground duct to rigid steel conduit at
least 10 feet (3 m) outside the building wall without reducing duct line slope away from the
building, and without forming a trap in the line. Use fittings manufactured for duct-to-conduit
transition. Install conduit penetrations of building walls as specified in Division 26 Section
"Sleeves and Sleeve Seals for Electrical Raceways and Cabling."

F. Sealing: Provide temporary closure at terminations of ducts that have cables pulled. Seal spare
ducts at terminations. Use sealing compound and plugs to withstand at least 15-psig (1.03-MPa)
hydrostatic pressure.

G. Pulling Cord: Install 100-lbf- (445-N-) test nylon cord in ducts, including spares.

H. Concrete-Encased Ducts: Support ducts on duct separators.

1. Separator Installation: Space separators close enough to prevent sagging and deforming of
ducts, with not less than [4] [5] spacers per 20 feet (6 m) of duct. Secure separators to earth
and to ducts to prevent floating during concreting. Stagger separators approximately 6
inches (150 mm) between tiers. Tie entire assembly together using fabric straps; do not
use tie wires or reinforcing steel that may form conductive or magnetic loops around ducts
or duct groups.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 14

 PROJECT NAME

2. Concreting Sequence: Pour each run of envelope between manholes or other terminations
in one continuous operation.

a. Start at one end and finish at the other, allowing for expansion and contraction of
ducts as their temperature changes during and after the pour. Use expansion fittings
installed according to manufacturer's written recommendations, or use other specific
measures to prevent expansion-contraction damage.
b. If more than one pour is necessary, terminate each pour in a vertical plane and
install 3/4-inch (19-mm) reinforcing rod dowels extending 18 inches (450 mm) into
concrete on both sides of joint near corners of envelope.

3. Pouring Concrete: Spade concrete carefully during pours to prevent voids under and
between conduits and at exterior surface of envelope. Do not allow a heavy mass of
concrete to fall directly onto ducts. Use a plank to direct concrete down sides of bank
assembly to trench bottom. Allow concrete to flow to center of bank and rise up in middle,
uniformly filling all open spaces. Do not use power-driven agitating equipment unless
specifically designed for duct-bank application.
4. Reinforcement: Reinforce concrete-encased duct banks where they cross disturbed earth
and where indicated. Arrange reinforcing rods and ties without forming conductive or
magnetic loops around ducts or duct groups.
5. Forms: Use walls of trench to form side walls of duct bank where soil is self-supporting
and concrete envelope can be poured without soil inclusions; otherwise, use forms.
6. Minimum Space between Ducts: 3 inches (75 mm) between ducts and exterior envelope
wall, 2 inches (50 mm) between ducts for like services, and 4 inches (100 mm) between
power and signal ducts.
7. Depth: Install top of duct bank at least 24 inches (600 mm) below finished grade in areas
not subject to deliberate traffic, and at least 30 inches (750 mm) below finished grade in
deliberate traffic paths for vehicles, unless otherwise indicated.
8. Stub-Ups: Use manufactured duct elbows for stub-ups at poles and equipment and at
building entrances through the floor, unless otherwise indicated. Extend concrete
encasement throughout the length of the elbow.
9. Stub-Ups: Use manufactured rigid steel conduit elbows for stub-ups at poles and
equipment and at building entrances through the floor.

a. Couple steel conduits to ducts with adapters designed for this purpose, and encase
coupling with 3 inches (75 mm) of concrete.
b. Stub-Ups to Equipment: For equipment mounted on outdoor concrete bases, extend
steel conduit horizontally a minimum of 60 inches (1500 mm) from edge of base.
Install insulated grounding bushings on terminations at equipment.

10. Warning Tape: Bury warning tape approximately 12 inches (300 mm) above all concrete-
encased ducts and duct banks. Align tape parallel to and within 3 inches (75 mm) of the
centerline of duct bank. Provide an additional warning tape for each 12-inch (300-mm)
increment of duct-bank width over a nominal 18 inches (450 mm). Space additional
tapes 12 inches (300 mm) apart, horizontally.

I. Direct-Buried Duct Banks:

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 15

 PROJECT NAME

1. Support ducts on duct separators coordinated with duct size, duct spacing, and outdoor
temperature.
2. Space separators close enough to prevent sagging and deforming of ducts, with not less
than [4] [5] spacers per 20 feet (6 m) of duct. Secure separators to earth and to ducts to
prevent displacement during backfill and yet permit linear duct movement due to expansion
and contraction as temperature changes. Stagger spacers approximately 6 inches (150 mm)
between tiers.
3. Excavate trench bottom to provide firm and uniform support for duct bank. Prepare trench
bottoms as specified in Division 31 Section "Earth Moving" for pipes less than 6 inches
(150 mm) in nominal diameter.
4. Install backfill as specified in Division 31 Section "Earth Moving."
5. After installing first tier of ducts, backfill and compact. Start at tie-in point and work
toward end of duct run, leaving ducts at end of run free to move with expansion and
contraction as temperature changes during this process. Repeat procedure after placing
each tier. After placing last tier, hand-place backfill to 4 inches (100 mm) over ducts and
hand tamp. Firmly tamp backfill around ducts to provide maximum supporting strength.
Use hand tamper only. After placing controlled backfill over final tier, make final duct
connections at end of run and complete backfilling with normal compaction as specified in
Division 31 Section "Earth Moving."
6. Install ducts with a minimum of 3 inches (75 mm) between ducts for like services and 6
inches (150 mm) between power and signal ducts.
7. Depth: Install top of duct bank at least 36 inches (900 mm) below finished grade, unless
otherwise indicated.
8. Set elevation of bottom of duct bank below the frost line.
9. Install manufactured duct elbows for stub-ups at poles and equipment and at building
entrances through the floor, unless otherwise indicated. Encase elbows for stub-up ducts
throughout the length of the elbow.
10. Install manufactured rigid steel conduit elbows for stub-ups at poles and equipment and at
building entrances through the floor.

a. Couple steel conduits to ducts with adapters designed for this purpose, and encase
coupling with 3 inches (75 mm) of concrete.
b. For equipment mounted on outdoor concrete bases, extend steel conduit horizontally
a minimum of 60 inches (1500 mm) from edge of equipment pad or foundation.
Install insulated grounding bushings on terminations at equipment.

11. Warning Planks: Bury warning planks approximately 12 inches (300 mm) above direct-
buried ducts and duct banks, placing them 24 inches (600 mm) o.c. Align planks along the
width and along the centerline of duct bank. Provide an additional plank for each 12-inch
(300-mm) increment of duct-bank width over a nominal 18 inches (450 mm). Space
additional planks 12 inches (300 mm) apart, horizontally.

3.5 INSTALLATION OF CONCRETE MANHOLES, HANDHOLES, AND BOXES

A. Cast-in-Place Manhole Installation:

1. Finish interior surfaces with a smooth-troweled finish.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 16

 PROJECT NAME

2. Windows for Future Duct Connections: Form and pour concrete knockout panels 1-1/2 to
2 inches (38 to 50 mm) thick, arranged as indicated.
3. Cast-in-place concrete, formwork, and reinforcement are specified in Division 03 Section
"Cast-in-Place Concrete."

B. Precast Concrete Handhole and Manhole Installation:

1. Comply with ASTM C 891, unless otherwise indicated.

2. Install units level and plumb and with orientation and depth coordinated with connecting
ducts to minimize bends and deflections required for proper entrances.
3. Unless otherwise indicated, support units on a level bed of crushed stone or gravel, graded
from 1-inch (25-mm) sieve to No. 4 (4.75-mm) sieve and compacted to same density as
adjacent undisturbed earth.

C. Elevations:

1. Manhole Roof: Install with rooftop at least 15 inches (380 mm) below finished grade.
2. Manhole Frame: In paved areas and trafficways, set frames flush with finished grade. Set
other manhole frames 1 inch (25 mm) above finished grade.
3. Install handholes with bottom below the frost line, <Insert depth of frost line below grade
at Project site> below grade.
4. Handhole Covers: In paved areas and trafficways, set surface flush with finished grade.
Set covers of other handholes 1 inch (25 mm) above finished grade.
5. Where indicated, cast handhole cover frame integrally with handhole structure.

D. Drainage: Install drains in bottom of manholes where indicated. Coordinate with drainage
provisions indicated.

E. Manhole Access: Circular opening in manhole roof; sized to match cover size.

1. Manholes with Fixed Ladders: Offset access opening from manhole centerlines to align
with ladder.
2. Install chimney, constructed of precast concrete collars and rings to support frame and
cover and to connect cover with manhole roof opening. Provide moisture-tight masonry
joints and waterproof grouting for cast-iron frame to chimney.

F. Waterproofing: Apply waterproofing to exterior surfaces of manholes[ and handholes] after

concrete has cured at least three days. Waterproofing materials and installation are specified in
Division 07 Section "[Elastomeric Sheet Waterproofing] [Thermoplastic Sheet
Waterproofing]." After ducts have been connected and grouted, and before backfilling,
waterproof joints and connections and touch up abrasions and scars. Waterproof exterior of
manhole chimneys after mortar has cured at least three days.

G. Dampproofing: Apply dampproofing to exterior surfaces of manholes[ and handholes] after

concrete has cured at least three days. Dampproofing materials and installation are specified in
Division 07 Section "Bituminous Dampproofing." After ducts have been connected and grouted,
and before backfilling, dampproof joints and connections and touch up abrasions and scars.
Dampproof exterior of manhole chimneys after mortar has cured at least three days.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 17

 PROJECT NAME

H. Hardware: Install removable hardware, including pulling eyes, cable stanchions, [and] cable
arms, [and insulators, ]as required for installation and support of cables and conductors and as
indicated.

I. Fixed Manhole Ladders: Arrange to provide for safe entry with maximum clearance from cables
and other items in manholes.

J. Field-Installed Bolting Anchors in Manholes and Concrete Handholes: Do not drill deeper than 3-
7/8 inches (98 mm) for manholes and 2 inches (50 mm) for handholes, for anchor bolts installed
in the field. Use a minimum of two anchors for each cable stanchion.

K. Warning Sign: Install "Confined Space Hazard" warning sign on the inside surface of each
manhole cover.

3.6 INSTALLATION OF HANDHOLES AND BOXES OTHER THAN PRECAST CONCRETE

A. Install handholes and boxes level and plumb and with orientation and depth coordinated with
connecting ducts to minimize bends and deflections required for proper entrances. Use box
extension if required to match depths of ducts, and seal joint between box and extension as
recommended by the manufacturer.

B. Unless otherwise indicated, support units on a level bed of crushed stone or gravel, graded
from 1/2-inch (12.7-mm) sieve to No. 4 (4.75-mm) sieve and compacted to same density as
adjacent undisturbed earth.

C. Elevation: In paved areas and trafficways, set so cover surface will be flush with finished grade.
Set covers of other handholes 1 inch (25 mm) above finished grade.

D. Install handholes and boxes with bottom below the frost line, <Insert depth of frost line below
grade at Project site> below grade.

E. Install removable hardware, including pulling eyes, cable stanchions, cable arms, and insulators,
as required for installation and support of cables and conductors and as indicated. Select arm
lengths to be long enough to provide spare space for future cables, but short enough to preserve
adequate working clearances in the enclosure.

F. Field-cut openings for ducts and conduits according to enclosure manufacturer's written
instructions. Cut wall of enclosure with a tool designed for material to be cut. Size holes for
terminating fittings to be used, and seal around penetrations after fittings are installed.

G. For enclosures installed in [asphalt paving] [and] <Insert material> and subject to occasional,
nondeliberate, heavy-vehicle loading, form and pour a concrete ring encircling, and in contact
with, enclosure and with top surface screeded to top of box cover frame. Bottom of ring shall
rest on [compacted earth] <Insert material>.

1. Concrete: 3000 psi (20 kPa), 28-day strength, complying with Division 03 Section "Cast-
in-Place Concrete," with a troweled finish.

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS 16543 - 18

 PROJECT NAME

2. Dimensions: 10 inches wide by 12 inches deep (250 mm wide by 300 mm deep) <Insert
dimensions>.

3.7 GROUNDING

A. Ground underground ducts and utility structures according to Division 26 Section "Grounding
and Bonding for Electrical Systems."

3.8 FIELD QUALITY CONTROL

A. Perform the following tests and inspections and prepare test reports:

1. Demonstrate capability and compliance with requirements on completion of installation of

underground ducts and utility structures.
2. Pull aluminum or wood test mandrel through duct to prove joint integrity and test for out-
of-round duct. Provide mandrel equal to 80 percent fill of duct. If obstructions are
indicated, remove obstructions and retest.
3. Test manhole[ and handhole] grounding to ensure electrical continuity of grounding and
bonding connections. Measure and report ground resistance as specified in Division 26
Section "Grounding and Bonding for Electrical Systems."

B. Correct deficiencies and retest as specified above to demonstrate compliance.

3.9 CLEANING

A. Pull leather-washer-type duct cleaner, with graduated washer sizes, through full length of ducts.
Follow with rubber duct swab for final cleaning and to assist in spreading lubricant throughout
ducts.

B. Clean internal surfaces of manholes, including sump. Remove foreign material.

END OF SECTION 16543

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 UK Implant

SECTION 16721 - TELEPHONE EQUIPMENT

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1
Specification Sections, apply to this Section.

1.2 SUMMARY

A. Scope of Work: Complete telephone exchange system including, but not limited to, the following:

1. Electronic private automatic branch exchange (EPABX).

2. EPABX peripheral equipment.
3. Operator's console.
4. Telephone sets.
5. Power supply equipment.
6. Ancillary equipment.
7. Connection to BACS system, including interface elements such as relays, transducers, etc. as
detailed in Division 15 Specifications Sections BACS schedules and /or shown on the Drawings.

B. The telephone distribution network is specified under Division 16 Section "Communication and Data
Processing Equipment".

C. Requirements of the following Sections apply to this section:

1. Division 16 Section "Basic Electrical Materials and Methods".

2. Division 16 Section "Grounding and Bonding".
3. Division 16 Section "Raceways and Boxes".
4. Division 16 Section "Communication and Data Processing Equipment".

1.3 DEFINITIONS

A. (E)PABX: (Electronic) Private Automatic Branch Exchange.

B. MDF: Main Distribution Frame.

1.4 SUBMITTALS

A. Product Data: For each type of product indicated including complete technical data and manufacturer's
catalogues for all equipment and materials.

B. Factory Tests: EPABX and related equipment are to be tested at manufacturer's premises, and test
certificates, certified by an official testing authority, are to be submitted to the Engineer before shipping
and delivery to site.

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 UK Implant

C. Shop Drawings: Include dimensioned plans and elevation views of components. Show access and
workspace requirements. Include at least the following:

1. Detailed system schematic diagram

2. Exact routing and layout of all cabling and wireways
3. Exact composition of EPABX cabinet(s), terminal boxes and other distribution boxes
4. Typical installation details of cabinet(s), boxes, and other equipment.
5. Detailed floor layouts showing all outlets with label reference and exact routing of cabling and
wireways.
6. Detailed system schematic diagram. Differentiate between manufacturer-installed and field-
installed wiring. Include diagrams for equipment and for system with all terminals and
interconnections identified.
7. Detailed equipment layout in rooms & closets including elevations and typical installation details.
8. Battery: Sizing calculations.
9. System Operation Description: Detailed description for this Project, including method of
operation.

D. Operating Instructions: For mounting at the EPABX room.

E. Product Certificates: Signed by manufacturers of system components certifying that products furnished
comply with requirements.

F. Installer Certificates: Signed by manufacturer certifying that installers comply with requirements.

G. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.

H. Maintenance Data: Include in maintenance manuals specified in Division 1.

I. Submissions to Authorities having Jurisdiction: In addition to distribution requirements for Submittals

specified in Division 1 Section "Submittal Procedures" make an identical submission to authorities
having jurisdiction. Include copies of annotated Contract Drawings as needed to depict component
locations to facilitate review. Resubmit if required to make clarifications or revisions to obtain approval.
On receipt of comments from authorities having jurisdiction, submit them to Engineer for review.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: A firm experienced in manufacturing systems similar to those indicated for
this Project and with a record of successful in-service performance.

B. Compliance with Local Requirements: Comply with applicable building code, local ordinances and
regulations, and requirements of authorities having jurisdiction.

C. Codes and Standards: Telephone installations are to comply with the requirements of [Insert Regulation
Name Here] and the relevant ITU-T recommendations.

1.6 WARRANTY

A. Guarantee and Warranty: Supervise and take responsibility for the operation of the system during the
experimental period. After the satisfactory completion of this period, the system shall be taken over by
the Employer, as per contract conditions, whereby a two-year guarantee period shall commence. This

TELEPHONE EQUIPMENT 16721 - 2

 UK Implant

Maintenance Guarantee and warranty will not relieve the Contractor of his responsibilities under the
contract (General Conditions of Contract).

1.7 EXTRA MATERIALS

A. All spare parts, which might be needed to replace existing components during the guarantee period, shall
be provided unless the component to be replaced was defected by abuse by Employer's employees.

B. Equipment Keys: Three copies of each kind of equipment key, whatsoever, shall be handed over to the
Employer on the date of Substantial Completion.

C. Directory: Make the directory according to the approved numbering plan. To hand over, on the date of
substantial completion, sufficient copies of the directory, which shall be printed in a sheet form, covered
on both sides by transparent plastic protection, or in pocket-book form, properly bound, or mixture of
both, subject to the agreement with the Engineer.

D. Spare Parts: Supply of a set of spare parts for the Employer's convenience after guarantee period. This set
shall include minimum items to fulfil two years operation requirements such as electronic boards as
recommended by manufacture (including extension boards).

E. Tools: Supply maintenance tools. These tools are to include all items relevant to the first-level
maintenance, such as:

1. Electronic-board extractors, power-converter extractors, and cleaning kit (as needed according to
the type of EPABX.
2. EPABX-test station (as recommended by manufacture)
3. Digital multi-meters.
4. Wiring and testing kit (including IDC tools, test plugs, disconnecting plugs, etc.)
5. Complete mechanical kit.
6. Battery service kit, if batteries are not perfectly sealed (including density meter, level meter, etc.)

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to vendor list.

2.2 ELECTRONIC PRIVATE AUTOMATIC BRANCH EXCHANGE SYSTEM (PABX)

A. Type: EPABX is to be compatible with the relevant public exchange equipment. The EPABX is to be a
wholly electronic exchange, fully digital, stored program controlled. System is to be an integrated
voice/data, which is capable of transmitting voice and data simultaneously over a standard two-wire
telephone line. Nevertheless, EPABX is to be designed for use as a standard telephonic exchange for all
applications. It is to be possible to connect any combination of standard serial-pulse and DTMF
telephones to the EPABX, with manufacturer-made interface modules as necessary within the exchange
and without the need to modify the assembly. The exchange is to be capable of supporting applications
requiring ISDN (Integrated Service Digital Network), 557, CTI and latest for exchanges.

TELEPHONE EQUIPMENT 16721 - 3

 UK Implant

B. Cabinet(s): Exchange components are to be grouped in a modular, totally enclosed, sheet metal cabinet,
corrosion resistant, with lockable front access doors, and the whole assembly is to fit into one integrated
form. Cabinet(s) is to be dust and insect proof, and ventilation is to be provided as required for specified
ambient conditions as well as air-conditioning facilities.

C. Plug-in Equipment: Electronic circuits and components, which are all solid state components, are to be
plug-in card type. Equipment is to be assembled neatly in racks. Sensitive components are to have dust
protection covers.

D. Operator Console(s): Comprise two units, properly assembled together; a multifunction keyboard unit,
and an alphanumeric display unit. The console(s) are to be compact and to have an ergonomic design.
The display unit can be adjusted to various angles to facilitate adaptation to different viewing distances,
eye levels, and lighting. The console(s) are to be flush fitted in a manufacturer-approved desk(s) which
are specially designed for the purpose and included in the present scope of work. They may also be
desktop console(s), with relevant stand(s). The console(s) are connected to the exchange cabinet(s) by
relevant cabling and does not require any external power connections.

E. Diagnostic Capability: EPABX is to be self-diagnostic to indicate and analyze the fault to enable
identification of the source of trouble. Exchange is to have remote diagnostic capability so the
manufacturer’s technical assistance center can access the system over a dial-up port.

F. Man-machine dialogue is to be ensured by terminal unit(s). Each unit is to be composed of a keyboard

associated with a printer and/or a video display terminal. It is be possible to monitor, manage, and
dialogue with the system at any time. These units are to be protected against misuse by means of a
selectable password. The units are to be supplied with suitable stands including a relevant compartment
for EPABX documentation and drawings.

G. EPABX is to be provided with a PC station for monitoring and control of the EPABX functions, located
near the EPABX. The PC station is to provide at least the following functions:

1. Storing of outdoor telephone calls, including telephone number, country called, extension called
from, duration period etc.
2. Management of the exchange with the possibility to have all the facilities listed in clause "herein",
and for the VDU operator console.
3. Storing for Errors occurring on the system.
4. Database giving cost details for telephone and fax calls dialed from the exchange.
5. Data to be capable of being stored on the PC hard disk without being backed up at least one
month.
6. Computer to be state of the art with double CPU and hard disk capacity for storing of all data
stated above, CD-ROM drive, Network card, floppy drive, 17" monitor.

H. Data Memory Floppy Disk Drives: EPABX is to contain floppy disk drives, and a relevant stock of
floppy disks are to be supplied as recommended by the manufacturer. Floppy disks are to be used for
storage of all system and user data, to serve as back-up storage for protection of system configuration
data and operating system software.

I. Voice mail and messaging equipment are to be inherent part of the system, interconnected to the
exchange so as to provide voice messaging features as described in paragraph "EPABX Features". The
equipment are to be modular, and shall have 16 ports, 26 hours capacity, up to [Number of Mailboxes]
mail boxes, and supplied by the EPABX DC or the AC mains supply.

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J. Exchange Capacity: Equipment is to be designed for two distinct capacities; a present capacity, for which
the exchange is to be wired and equipped with electronic cards; and an ultimate cabinet(s) - capacity, for
which the exchange may be wired merely. It is to be possible to simply expand the exchange to its
ultimate value by plugging in extra electronic cards within the same initial cabinet(s). Capacity is to be as
follows:

1. External Trunk Lines: [Trunk Lines] lines, expandable to an ultimate capacity of [Trunk Max]
lines.
2. Internal Extensions: [Internal Lines] lines, with ultimate capacity of [Internal Max] lines.
3. Operator's Console(s): [Insert Number] with provision for expansion to [Insert Maximum
Number] consoles.

K. Technical Data: EPABX is to be in accordance with CCITT recommendations and is to meet, at least, the
following specifications:

1. Minimum Traffic Capacity: 0.22 erlang/extension.

2. Technology: Modular structure, digital switching, voice/data traffic, stored program control with
TTL and MOS VLSI and/or LSI integrated circuits.
3. Insertion Loss: Less than 0.6 dB at 800 Hz, less than 1.5 dB at 300-3400 Hz.
4. Cross-talk Attenuation: More than 70 dB 300Hz, 0 dBm.
5. Maximum Resistance of Extension Line Circuit: 1500 ohms (including telephone set)
6. Digital Line Circuit: 144 kb/s full duplex (2B+D), synchronous up to 64 kb/s, asynchronous up to
19.2 kb/s
7. Compatible Telephone Stations: As per articles about telephone sets hereafter.
8. Access to external networks: Tie-line terminals to other EPABX's. PCM-link terminals for
distributed structures. ISDN compatible.
9. Primary Power Supply: [Insert Voltage] Volts (+1-15%)a.c., single phase; [50][60] Hz.
10. Battery Voltage Supply: [Insert Voltage] Volts d.c. nominal (+1-12%).
11. Ambient Temperature: [Insert Temperature] deg. C.
12. Relative Humidity: [Insert Humidity] %.

L. Numbering design is to permit station number to be assigned to lines at time of installation, in accordance
while customer-desired numbering plan, and reassignment while in service to allow personnel moves
without requiring number changes.

M. Classes of Service: The EPABX is to have different operational features; each feature shall be attributed
to all or part of the stations which shall be classified and grouped thereby into different classes according
to their communication requirements. This system shall inherently impose certain external-call
restrictions so as stations are to be classified to authorized stations and non-authorized ones. Authorized
stations shall also be classified according to their ability to access external trunk lines directly, or via
operator(s), and according to their ability to make international calls. The Contractor is to submit, for the
approval of the Engineer, a detailed description of the various classes of service proposed for the system.
Nevertheless, all classes are to be flexible and software controlled so as the client can easily modify them
should it deem needed in future.

N. Segregation of External Trunk Lines: It must be possible to segregate incoming trunk lines so as to make
some of them accessible only by operators and some others accessible by operators and authorized
stations.

O. Trunk-lines management facilities are to be included to have a complete call information logging. It is to
be possible to store and print upon request the full list of outward calls, with indication of number called,
number of internal station originating the call, date, time and duration of call.

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P. Data Transmission Capabilities: EPABX internal network structure is to offer user access to data
transmission facilities at all points where normal 2-wire telephone capabilities exists. The primary means
of connecting workstations, terminals, terminal systems and computer equipment to the system, when
needed, shall be via terminal adapter units (the supply of these units is not included in the present scope
of work). The system shall permit computer and modem resource sharing, shall support synchronous
transmission speeds up to 64 kb/s and asynchronous transmission speeds up to 19.2 kb/s.

Q. PC/LAN Connections: The PABX internal network is to allow IBM compatible PC's to
intercommunicate in a multi-net LAN environment, thus permitting file and device sharing if needed.

R. EPABX Features: Include, but not limited to the following:

1. Dial Access to Operator: Station users are to be able to reach operator by dialing a single digit,
and operator may complete these calls to trunk facilities or other stations.
2. Internal Calls: Station user is to be able to directly dial other stations within the system without
assistance of operator.
3. Direct Outward Dialing: Authorized station users are to be able to access public network, without
assistance of operator, by dialing a one-digit access code, receiving a public dial tone, and then
dialing desired external number.
4. Call Transfer: Enables any station in the system to directly divert a call to another station or the
operator.
5. Camp on Busy Station (Automatic call back on busy): If station A is calling station B, who is
busy, it is to be possible for a to dial a camping code and hang up; the two stations are
automatically called back as soon as they are simultaneously free.
6. Camp on Free Station (Automatic call back on no reply): If station A is calling station B, who is
temporary absent, it is possible for a to dial the camping code and hang up; the two stations are
automatically called back as soon as b uses his set and hangs up while a is still free.
7. Inquiry Call: When telephone user is in conversation with the outside, he is to be able to put his
communication on hold, dial an internal number, consult privately, and then resume the first
communication.
8. Parking (call park): Parking a call means to make it wait in order to hang up and resume it
thereafter, either from the same station or from any other station.
9. Three Party Conference: Enables a station, having an established call to include a third party and
create a conference session.
10. Call Forwarding (call diversion): Required to allow a station user to have his incoming calls
diverted to a common answering position or to a predetermined set.
11. Follow Me: Required to enable any station to temporarily move incoming calls to another station
position.
12. Call Interception (call pick-up): Required to enable a member of a defined group of stations to
pick-up a call addressed to another member.
13. Secretary Filter: Required to enable certain stations to receive calls intended for one or several
managers, and transfer these calls to them.
14. Priority break-in (third party entry, or executive override): A station user, if so allowed by his
class, is to be able to enter existing two-party connection should he dial the number of one of these
two parties and find him busy; this intrusion is to be preceded by a warning tone; if the person
called releases his line, he is automatically called back.
15. Public-network Number Storage: Required to enable authorized stations, to store and redial a
public telephone number.
16. External Abbreviated Dialing: Required to enable operator(s) and authorized stations to make
external calls by dialing an abbreviated code which is automatically converted to a full number
and sent out by the exchange.
17. Call-back Queuing for Trunks: Allows the user to wait for a trunk to be idle; when the trunk is
idle, the exchange rings back, then the user may go off-hook and dial the desired number.

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18. Direct Inward Dialing (DID): Required , subject to arrangements with the local telecommunication
authority, for incoming external calls to be addressed to internal stations directly without the
operator's intervention.
19. Call Waiting Indication: Required to enable a station to receive/send an audible tone indicating
that an internal or external call is waiting.
20. Line Lockout with Warning: Gives 5 seconds warning tone and then holds the line out of service
after a station line remains off-hook for longer than 10 seconds without dialing; the hold out-of
service is to be released when station goes on-hook.
21. Trunk Line Through Connection: Automatic connection of [Insert Number] trunk lines to some
predetermined extensions in the event of power failure or processor malfunction.
22. Message Waiting Indication: Required to initiate a message waiting indication for certain
extension by voice mail, or by the operator. This indication is to be in a form of built-in light in
the telephone station.
23. Voice Mail: The system shall allow messages to be left for some selected stations in
[English][Arabic][both English/Arabic][Insert other language or combination] language. The
message may be left for certain station by another internal station or by an external party who is
calling from outside. Meanwhile the system is to facilitate multi-level voice menu.
24. It shall be possible for an external caller to listen to a pre-recorded menu inviting him to address
extension dialing, voice messaging, the operator ... Etc., Subject to further dialing code.

S. Operator's console(s) general features are to include at least the following:

1. Transfer of Incoming Call: Operator(s) is to be able to connect any internal station or outside trunk
line with any other internal station; operator(s) is to be able to place an outgoing call for a station
user without requiring the station user to hang up.
2. Calling Number Display: Visual display of the station seeking attendant service or the station
dialed by the operator(s).
3. Serial Call: Operator(s) is to be able to complete an incoming trunk call to two or more station
lines in succession without requiring the outside party to recall operator.
4. Camp on Busy: It shall be possible for the operator(s) to camp a call on to a busy station.
5. Call Hold: Calls that cannot immediately be extended, may be placed in a hold buffer; when
required station become available, the call is to be retrieved from hold buffer and extended to the
station.
6. Automatic return to operator if an extension does not answer an outside call within 20 seconds.
7. Priority Break-in (operator intrusion): Operator is to be able to interfere in an established
communication for special announcements or transfer of incoming calls; warning tone is to be sent
to both conversing parties.
8. Call Splitting: Operator is to be able to consult privately with one party of an existing call without
the other party being able to here the consultation.
9. Time Reminders: Operator is to be automatically alerted after 30 seconds when an internal or
outside call on the console is waiting.
10. Automatic and Manual Switch-over to Night Service: Incoming trunk calls during night operation
are to be routed to predetermined answering stations; routings are to be on a flexible basis and are
to remain in effect until changed.

T. Hotel Special Features: The system is to have the following minimum hotel features:

1. One-digit Hotel Services: The numbering plane is to allow single digit dialing to hotel service
facilities; such as front-desk, room service, restaurant, laundry, etc.
2. Music on Hold: Incoming calls to the operator console(s), which are placed on hold, are to be
connected to music. The music source shall be freely selectable by the hotel management.

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3. Call Protection for Guests: Guest-extensions shall be blocked, by means of software management,
against calls from the administration. Certain administration-extensions, such as management, etc.
However, may be entitled to call guests.
4. Automatic Wake Up: Required to provide an automatic wake up service to any guest. This
feature shall be initiated/cancelled by dialing a specific code via the guest station or through an
authorized service station. The registration of a wake up time shall not be affected should the
guest use his station, and the feature shall remain stored till the designated time, unless cancelled.
5. Do Not Disturb: Any guest is to be able to request that his telephone station be temporarily given a
"do-not-disturb" status. This feature is to be initiated/cancelled by dialing a specific code via the
guest station, the operator, or a specialized service station. During the do-not-disturb status, the
guest may make internal or external calls from his station. The operator or an authorized
administration station shall be able to over-ride the do-not-disturb in case of emergency.
6. Message Waiting Indication: It shall be possible to initiate a message waiting indication in a
guestroom by voice mail, by the operator, or by the reception. This indication shall be in a form
of built-in light in the guest station.
7. Voice Mail: The system shall allow messages to be left for guests in the calling party's own
language and voice. Messages may be left for a guest by an internal station or from outside the
hotel. It shall be possible to leave more than one message to any guest.
8. Room Status Sub-system: It shall be possible to update the status of the guestroom by dialing a
code via the room station or an authorized administration station. The specification of room-status
descriptions and corresponding codes shall be according to the hotel administration and shall
include at least; occupied, vacant, cleaned, cleaning required, maintenance required, ready for sell,
reserved, out of service, etc. The room status is directly sent to the hotel front desk equipment for
recording and display.
9. Access to Radio Paging: When a call is made to some station, which is classified by the system as
a paging-receiver holder, and is not answered, it shall be transferred automatically to the
corresponding paging receiver. The call may be answered then by an access code into any hotel
station. If the paging receiver does not respond to the call, it is automatically re-diverted to the
operator.
10. VIP Service: Top priority, at least, may be assigned to certain extensions where the hotel guest is a
VIP. This privilege is to affect every necessary feature in order to properly serve a VIP, including
dial access to operator, direct outward dialing, etc.
11. Call Accounting: The system shall provide comprehensive facilities for accurate accounting of all
telephone costs so as to allow the hotel management to charge all guest usage of the hotel
telephony.

2.3 STANDARD TELEPHONE SETS

A. Set Type: Desk-type or wall-type as shown on drawings. Dial is to be via push-button standard serial-
pulse and DTMF, switchable. The telephone user is to have access to all system features, subject to
classes of service as assigned individually to each station.

B. Set Description: Set is to be shock-resistant molded plastic, of approved design and color, and appropriate
for the function intended. Sets are to be dust and insect proof with bell and adjustable volume control.
Set is to have lock-in jack ended connector cord, not less than 2.5 m long, for connecting the base to wall-
outlet, and a spiral connector cord between the handset and the base. Jacks are to snap-lock into
corresponding mates, and may be released easily without special tools.

C. Set Characteristics: Push-button telephone pad with redial and mute buttons. Capsules are to be sensitive,
highly reliable, light weighted and rugged. The set is to show a uniform frequency response and an
optimum impedance adaptation to the extension lines in the whole band from 300 to 3400 Hz. Both the

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receiver and the microphone shall have an insulation resistance that is not less than 10 Mega-ohms at 250
V (dc) between the two terminals (linked) and the metal body.

2.4 DIGITAL TELEPHONE STATIONS

A. Telephone Stations with Two Access Lines: Desk-type, with push button dialing pad. Sets are to be
advanced stations, designed and manufactured by the EPABX manufacturer for the purpose. They are to
address, and simplify the features offered by the system. Eight function keys shall be provided, hands
free operation, radial, hold, mute, transfer, volume controls, and the sets shall be equipped for message
and voice-mail reception.

B. Telephone Stations with Three Access Lines: Desk-type, with push-button dialing pad. Sets are to be
advanced stations, designed and manufactured by the PABX manufacturer for the purpose. They are to
address, and simplify the features offered by the system. Twelve function keys shall be provided, hands
free operation, radial, hold, mute, transfer, volume controls, and the sets shall be equipped for message
and voice-mail reception.

2.5 SPECIAL TELEPHONE STATIONS

A. Hotel-guest Telephone Stations: Desk-type, equipped for message and voice-mail reception, as detailed in
paragraph "Hotel Special Features". Dial is to be via push-button standard serial-pulse and DTMF,
switchable. Set is to be designed and manufactured by the EPABX manufacturer for the purpose, so as to
access all relevant features.

2.6 POWER SUPPLY EQUIPMENT

A. General Description: The Power supply scheme shall be a low-noise no-break dc power scheme
composed of rectifier-charger unit, battery pack, inverters and DC converters as necessary, and power
cables. This scheme is to guarantee the continuous supply of d.c power, at the specified rates, to the
whole system-load, with at least 25% redundancy.

B. Operation Principle: The rectifier-charger unit shall be used for initial charging and subsequent charge
maintenance of the batteries. When the mains supply is present, the unit is fed by the [Voltage] V,
[50][60] Hz and provides the [DC Voltage] V d.c to the system. Meanwhile, it maintains the batteries
fully charged. On failure of the main supply, the batteries automatically take over the supply of power to
the load circuit. When the main supply is resumed, the rectifier-charger unit is to automatically re-charge
the batteries to its full charge. The rectifier output voltage shall be intrinsically regulated to one of two
levels:

1. The floating level, under normal operating conditions where the mains supply is available and the
batteries are in stand-by situation.
2. The equalization level (charge level) whereby a higher voltage is provided in order to re-charge
the batteries to their full capacity. After the batteries are fully recharged, the rectifier-charger unit
is to resume the floating level.

C. Rectifier-charger unit is to be solid state type, lumped or modular, with door and lock. It is to be suitable
for the climatic conditions as specified. In addition it is to have sufficient capacity to supply the required
power to the PABX and maintain batteries fully charged, with circuit breakers and fuses, voltage and

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current meters, battery voltage monitoring, earthing connection, high insulation between terminals and
earth, protection and alarm indication system.

D. Batteries shall be nickel-cadmium, sealed, maintenance free, floated on load side of rectifier, and kept
continuously fully charged. The battery pack shall have autonomy of not less than eight hours. Battery
capacity shall provide a minimum of eight hours of continuous telephony-system operation without loss
of functions or reduction in performance after mains power supply failure and before the EPABX can be
automatically disconnected.

E. Inverters and Converters: Shall be provided as necessary to facilitate the required power to electronic
boards and circuits within the EPABX. They shall be modular units, built in the EPABX cabinet(s),
approved and supplied by the EPABX manufacturer.

PART 3 - EXECUTION

3.1 INSTALLATIONS

A. General: Equipment installation on site is to be limited to the assembly, layout and fixation, networking,
and inter-wiring of various items of the ready made equipment. Acceptance of works shall be restricted
to the equipment and installations complying with the approved submittals, approved shop drawings, and
the agreement of the Engineer. Proper tools shall be used for all installation works and the contractor
shall carry out these works under the direct supervision of qualified technicians who are well trained and
having the relevant experience.

B. Co-ordination with Other Works: Undertake the proper co-ordination between the installations of the
telephony system and those of all other systems. The layout shop-drawings shall reveal the measures
taken therein, and every fixation principle, and detail, shall be subject to the approval of Engineer.

C. Layout and Fixations of Equipment: Cubicles and cabinets shall be laid out properly so as to ensure the
optimum utilization of room areas and to reserve relevant spaces for maintenance activities as well as
future extensions of the system. The availability of adequate lighting levels must also be ensured for all
cubicles and cabinets; should it deem difficult to fulfil this condition at some location, a mains outlet shall
be provided nearby (less than 0.5m apart) so as special lighting can be provided during maintenance.
Fixations shall be as appropriate; above metallic chassis at the level of false floor for bottom-sided
cabling, above floor for top-sided cabling, on wall for wall mounted units, under false floor or above false
ceilings where preferable for small distribution boxes. Batteries shall be mounted in the well-ventilated
battery room where suitable mounting rack is to be provided in the appropriate location. Operator
console(s) shall be oriented in accordance with approved drawings, fulfilling optimum operation
conditions, and the display unit shall not be subject to direct sun light through any windows thereat.
After the layout of equipment is accomplished, all sorts of cubicles, cabinets, and system components
shall be labeled, and marked properly according to an approved labeling designations and materials.

D. Raceways telephone cables shall run in dedicated raceways apart from those where power cables are laid.
Moreover, telephone cables shall not share undivided trays or paths with any other type of cables.

E. Jumper wires are to extend neatly between connection modules, moderately stretched, and guided by the
specialized rings and hooks. No jumper shall be left loose or imperfectly guided. The final arrangement
of jumper wires within any cubicle shall allow for an easy trace of any telephone line.

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F. Earthing: Properly earth all equipment. Earthing system shall ensure safety conditions and shall eliminate
the relevant noise effects. Earthing cables shall be characterized by their green/yellow color.

3.2 ON-SITE TESTS, AND INSPECTION:

A. Tests Plans: All tests shall be carried on according to detailed test procedures which were submitted and
approved by Engineer. The tests shall cover every aspect related to the specification of the material and
their operation; including, but not limited to, visual inspections, insulation tests, measurements, and
operation. All instruments to be used during the tests must have been calibrated and certified, by an
authorized official laboratory, as complying with the specification of their manufacturers.

B. On-Site System Tests: Equipment shall be tested to ensure that they are not damaged by transportation,
correctly assembled and connected, properly powered, and operating as specified. The complete system
tests shall include the following minimum checks:

1. Visual inspection of every component

2. Dielectric strength and insulation resistances.
3. EPABX voltages and currents.
4. System performance (including all operation features)
5. Any other checks as necessary to ensure full compliance with the technical specifications.

C. It is to be demonstrated, to the satisfaction of Engineer, that the installed equipment meets the
requirements of the specification and is ready for taking-over.

D. Experimental Period: After the on-site tests are satisfactorily completed in accordance with the technical
specifications and approved procedures, and before Substantial Completion, assume a one-month
experimental period during which the system performance shall by fully demonstrated under actual
operation conditions. This demonstration is to confirm, to the satisfaction of the Engineer, that the
system is ready for taking over.

3.3 DEMONSTRATION AND TRAINING

A. Train Employer's maintenance personnel to adjust, operate, and maintain the system installation. Refer to
Division 1 Section "[Demonstration and Training] [Closeout Procedures]."

END OF SECTION 16721

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SECTION 16850 - TELEVISION EQUIPMENT

IP CCTV SYSTEM
5.1 GENERAL
5.1.1 RELATED DOCUMENTS:
Drawings and general provisions of Contract, including General and Supplementary
Conditions and Specification sections, apply to this Section.

5.1.2 SUMMARY
5.1.2.1 This section includes a closed circuit television (CCTV) system.

5.1.2.2 System is to consist of the following basic components:

- Switcher.
- IP Color cameras for general surveillance with protective housing
- Control desk/console.
- Video distribution controller.
- Power supply units.
- Digital recording system.

5.1.2.3 CCTV System Functional Description: video allows IP (Internet Protocol)

transmission of the video signals to devices that are IP addressable and can be
transmitted in a combined voice/video stream. These transmissions can be stored
or simply viewed in real time. This article covers the principles and evolutions of
these technologies focusing on the latest digital IP video technologies coupled
with important information regarding infrastructure needs and demands for
implementation.System must be integrated with fire alarm and access control systems
and the outdoor camera must be integrated with main controller premitter system .

5.1.3 SUBMITTALS
5.1.3.1 General: Submit the following according to the Conditions of the Contract and
Specification sections.

5.1.3.2 Product Data: for products specified in this section. Include data on features,
components, ratings, and performance. Include dimensional plan and elevation views of
components and enclosures and details of control panels. Show access and working space
requirements.

5.1.3.3 Maintenance Data: for systems and products to include in "Operating and
Maintenance Manual" specified in Division 1. Include the following:
(a) Detailed operating instructions covering operation both under normal and abnormal
conditions.
(b) Routine maintenance requirements for system components.
(c) Lists of spare parts and replacement components recommended being stored at the
site for ready access.

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5.1.3.4 Wiring Diagrams: detailing internal and interconnecting wiring for power, signal and
control and that distinguishes between field-installed and factory-installed wiring.

5.1.3.5 Product Certificates signed by the manufacturer certifying products comply with
specified requirements.

5.1.3.6 Qualification data for manufacturer and installer as specified in "Quality Assurance"
article. Data describes capabilities and experience.

5.1.3.7 Field test reports for all tests required for system operation, certified by an official testing
authority.

5.1.3.8 Shop and Construction Drawings: Submit drawings for approval including, but not
be limited to:
A- Detailed schematic diagrams
B- Configuration and construction details of central control cabinet, and operating
consoles
C- Console and cabinet layouts with equipment located in as-installed positions.
D- Complete and detail cable routing.
Wiring diagrams are to bear manufacturer's signature indicating that they have
reviewed the drawings and that they are correct with regard to sizes, wiring and
configuration and will operate in accordance with function, scope and intent of the
specifications.

5.1.4 QUALITY ASSURANCE

5.1.4.1 Manufacturer's Qualifications: Firms experienced in manufacturing systems and
equipment of the same types and capacities used for this project that they have a record
of successful in-service performance.

5.1.4.2 Service Center: Select a system manufacturer who maintains a service center capable
of providing training, parts, and emergency maintenance and repairs at the project site
with a 24-hour maximum response time.

5.1.4.3 Installer Qualifications: Engage an experienced installer who is a factory-authorized

service representative of the system manufacturer to supervise system installations.

5.1.4.4 A- Comply with NFPA 70, "National Electrical Code".

B-Provide listed and labeled system components for which there is
a listing and labeling service.
C-Comply with CCITT or EIA recommendations and standards for
data signal characteristics, formats, and communication
protocols.

5.2 PRODUCTS
5.2.1 MANUFACTURERS:

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5.2.1.1 Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated in the work include, but are not limited to, the
following: 2 PRODUCTS
2.1 MANUFACTURERS:
2.1.1 Approved Manufacturers: Refer to approved vendor list.

5.2.2 TELEVISION SYSTEMS - GENERAL

5.2.2.1 Products and Equipment: Standard products of manufacturers regularly engaged in
manufacturing components of the type indicated. Components are to be modular, plug-in
type, heavy duty, and industrial or commercial grade units. Equipment is to be silicon-
based, solid-state integrated circuit devices. All system components may not be shown on
the Drawings. Provide components not shown on the Drawings where required to achieve
the specified performance.

5.2.2.2 Power Supply Characteristics: power operated devices to operate within specified
parameters for AC voltages within 220 V + 10%.
A-AC power operated devices are to be protected against transient
voltage surges by suppressors complying with UL Standard 1449
"Surge Suppressors, Transient Voltage.”
B-Signal cables and connected components are to be protected from
ransient voltage surges by internal surge suppressors and absorbers
specifically designed for that purpose.

5.2.3 DESIGN AND OPERATION

5.2.3.1 CCTV system is to provide complete colour camera surveillance for all areas as shown
on the Drawings. Sequential and automatic group switching/manual switching of camera
outputs giving on screen camera identification.

5.2.4 FIXED DOME IP CAMERA

Progressive scan technology provides full resolution images of moving objects with no
distortion. Power over Ethernet (IEEE 802.3af) supplies power to the cameras via the
network.

5.2.4.1 Performance Specifications

A-high-quality progressive scan sensor and advanced image processing, the camera
delivers crisp and clear images - even in low-light conditions. The built-in two-way
audio capabilities including audio detection alarm allow for real-time
communication with visitors or intruders. This small and discreet camera is ideal
for monitoring stores, schools, banks and other office buildings.
B-Power over Ethernet allows the camera to receive both data and power over a single
Ethernet cable - which makes the installation easier and cheaper. If connected to a

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central Uninterruptible Power Supply (UPS), the camera can continue to operate
even when there is a power failure

5.2.4.2 Minimum Performance Specifications

Image sensor 1/4” Progressive scan RGB CMOS

Lens Varifocal 2.8 – 10 mm, F1.3, DC-iris
Angle of view 20° – 73° horizontal
Minimum illumination 1 lux, F1.3
Shutter time 1/15000 s to 1/4 s
Camera angle adjustment Pan 360°, tilt 170°, rotation 340°
Video compression MPEG-4 Part 2 (ISO/IEC 14496-2)
Motion JPEG
Resolutions 160x120 - 640x480
Frame rate MPEG-4 Up to 30 fps in VGA
Frame rate Motion JPEG Up to 30 fps in VGA
Video streaming Simultaneous MPEG-4 and Motion JPEG Controllable frame rate
and bandwidth VBR/CBR MPEG-4
Image settings Compression, color, brightness, sharpness, white balance, exposure
control, rotation, fine tuning of behavior at low light Text and image
overlay Privacy mask
Audio streaming Two-way, half-duplex
Audio compression AAC LC 8 kHz
G.711 PCM 8 kHz
G.726 ADPCM 8 kHz
Configurable bit rate
Audio input/output Built-in microphone, external microphone input or line input,
line level output
Network
Security Password protection, IP address filtering, HTTPS encryption,
IEEE 802.1X network access control, user access log
Supported protocols IPv4/v6, HTTP, HTTPS, QoS Layer 3 DiffServ, FTP, SMTP,
Bonjour, UPnP, SNMPv1/v2c/v3 (MIB-II), DNS, DynDNS, NTP,
RTSP, RTP, TCP, UDP, IGMP, RTCP, ICMP, DHCP, ARP,
SOCKS
Application Programming Interface Open API for software integration, including VAPIX®
Intelligent video Video motion detection, active tampering alarm, audio detection
Alarm triggers Intelligent video and external input
Alarm events File upload via FTP, HTTP and email Notification via email, HTTP
and TCP External output activation
Video buffer 9 MB pre- and post alarm
Processors and memory ARTPEC-A, 32MB RAM, 8MB Flash
Power 4.9 – 5.1 V DC max 3.6 W
Power over Ethernet IEEE 802.3af Class 1
Connectors RJ-45 10BASE-T/100BASE-TX PoE, DC jack
Terminal block for 1 alarm input and 1 output
3.5 mm mic/line in, 3.5 mm line out
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Operating conditions 0 – 50 °C (32 – 122 °F)

Humidity 20 – 80% RH (non-condensing)
Approvals EN 55022 Class B, EN 55024, EN 61000-3-2, EN 61000-3-3,
FCC Part 15 Subpart B Class B, VCCI Class B, ICES-003 ClassB,
C-tick AS/NZS CISPR 22, EN 60950-1
Power supply: EN 60950-1, UL, CSA

5.2.6 IP DIGITAL VIDEO MANAGEMENT SYSTEM

5.2.6.1 DESCRIPTION
A-The digital video management system with Internet Protocol (IP) design shall be a
microprocessor-based video processor and recorder running on the Windows 2000 operating
system. The device shall be available in a 1 U rack mount chassis version. The rack-mount chassis
version shall be installed out of the box into a standard 19-inch (48.26 cm) rack with no additional
hardware needs. This chassis shall be equipped with sliding rack rails for quick and easy
installation and servicing.

B-Designed to operate with black-and-white and color digital video signals, the device shall
compress and multiplex video images from multiple IP devices and store them in the unit’s image
database. It shall provide a variety of multiple- and single-camera display and playback options,
and several alarm/event-triggered response options. It shall also provide operator-selectable
camera recording rates, and optional image enhancement tools.

C-The unit shall provide operator-definable live filters to record and trigger alarm events when the
light level changes, motion is detected, or a perimeter is crossed. The unit shall provide operator-
definable filters to search the image database for light changes, motion and perimeter violations, as
well as camera, date/time and filter settings, then display a list of matching video segments.

D-The unit shall provide for simultaneous recording, playback, transmitting, database searching
and archiving. One channel of audio and up to eight text inputs shall be supported with required
hardware properly installed and set up according to the manufacturer’s instructions. Optional live
audio shall be available for listening while viewing live video. Cameras shall be configurable as
visible or covert by the authorized user.

E-The unit shall be capable of displaying at least 16 cameras during playback mode with or
without text. Optional recorded audio shall be available for listening while viewing recorded video
from any camera recorded during the same time frame. Text shall be available during playback
without obstruction of the video image.

F-All display features shall be available from an on-screen interface. Some features shall also be
available from an optional manufacturer-specific camera control device. All programming features
shall be available from an on-screen programming interface. All user activity on a unit shall be
capable of being logged for specified time periods.
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G-The unit shall provide for network operation with an optional manufacturer-specific software
application or through a standard web browser. The unit shall also provide for remote operation
via client applications developed using the optional Application Programmer Interface (API).

H-The optional Application Programmer Interface (API) shall be provided with sample software
example programs in the form of a Software Development Kit (SDK). The SDK shall enable the
development of customized client software modules that can be used to operate the device
remotely, thus extending remote unit access and function.

I-Anti-virus protection shall be available via third party software modules available with the
device. The anti-virus module shall detect and deactivate any malicious software that attempts to
attack and invade the device’s system. The module shall run concurrently with the device and
automatically scan incoming code coming from network, modem, or removable media sources.
5.2.6.2 Performance Specifications
A-The digital video management system shall provide the following connectors:
• A standard mouse input device shall be provided to operate the on-screen program
features. KVM connectors shall be provided on the front panel for mouse
connection.
• A small round PS/2 style connector shall be provided for an optional PS/2 style
keyboard.
• A CD-RW drive connector shall provide for exporting of video, audio, and text.
• Network; RJ-45, Cat 3 or Cat 5 twisted-pair Ethernet.
• Principal display output shall be available from the SVGA adapter at 16.7 million
colors or 256 shades of gray at a resolution of 800 × 600 pixels. The SVGA output
port shall be a standard HD15-S connector.
• Network connectivity shall be available through an RJ-45 network port on the rear
panel.
• Optional data output to an optional external storage device shall be available
through an optional IEEE 1394 “FireWire” connector on the rear panel.
B-The following display features of the digital video management system shall be operable
from the main screen:
• A light shall indicate unit operation.
• Screen controls shall select individual cameras for viewing.
• A screen control shall select the alarm review function.
• A button/jog shuttle screen control or VCR-style control bar shall control playback
direction and speed. Single-frame advance/rewind shall be available with the VCR
control bar.
• Screen controls shall select the display format of one, four, nine or 16 cameras.
• A screen control shall display unit status information.

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• A screen control shall display cameras sequentially.

C-The operator shall be able to define the specific range and mode of the unit’s
performance by selecting from a menu of features provided through an on-screen
programming function. The operator shall be able to access all program features of the unit
by using the provided mouse input device and an on-screen virtual keyboard. An input port
for use with an optional keyboard shall be provided. The type and scope of performance
features shall be as follows:
• A menu feature shall allow each video input to be titled with up to ten characters
from a set including the alphabet, numbers from 0 to 9 and selected punctuation
marks.
• A menu feature shall allow a system administrator to define the name, personal
identification number (PIN) and privileges for each user of the digital video
management system.
• An optional menu feature shall allow the operator to define a schedule of
recording and archiving for all cameras, a different schedule for each camera, or a
schedule for a single camera. Simplified choices of weekday, weekend and holiday
schedules shall be available, with holidays defined by the operator.
• A menu feature shall allow the operator to select the number of images recorded
per second during normal operation (1 to 480).
• A menu feature shall allow the operator to select a different record rate during
alarm events.
• A menu feature shall allow the administrator to assign IP address or device names.
• A menu feature shall allow the administrator to configure a device including
recording rate.
• A menu feature shall allow administrator to connect to multiple networks.
• A menu feature shall allow the operator to select the quality, or level of
compression, of images recorded during normal operation. Three compression
levels shall be available for selection: super, normal, and extended record.
• A menu feature shall allow the operator to select the sensitivity, or threshold of
activity, of images recorded during normal operation.
• A menu feature shall allow the assignment of target areas within the field of view
of one or more attached video cameras; operator-selected filters for perimeter
protection, motion detection, and light-level changes. Filter selection shall be
available for both day and night operation.
• A menu feature shall allow Boolean logic in text searches to find specific events in
a text stream when filtering live video or searching recorded video. User-definable
text searches shall automatically generate an alarm.
• A menu feature shall allow the authorized operator to configure specific cameras
as visible or covert. To the authorized user, the covert camera shall behave as a

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visible camera; to the unauthorized user, the covert camera shall be invisible and
behave as if there were no camera connected.
• A menu feature shall allow the operator to select how the unit stores images during
normal operation. The unit shall allow either linear recording, stopping when the
database is full, or the continuous recording of images by overwriting the oldest
images already stored.
• A menu feature shall permit the activation of activity logging for specified time
periods. When viewed by a security manager, the log shall indicate all user activity
on the unit, including system logons and exits, name of operator who changed a
camera name, recording schedule or recording rate, and video archived or exported
to CD.
• A menu feature shall allow the operator to select the duration of the unit’s alarm
response, from a minimum of five seconds to a maximum of fifteen minutes.
• A menu feature shall allow the operator to select a pre-alarm duration, from a
minimum of fifteen seconds to a maximum of fifteen minutes.
• A menu feature shall allow the operator to select a 15-minute index option. When
this option is selected, video alarm playback shall automatically start 15 minutes
prior to the actual alarm.
• A menu feature shall allow the operator to select from a range of alarm response
options, including video loss, alarm message on-screen display, alarm latch
(requiring manual clearing of alarms) and energizing alarm output 16 (in addition
to the associated camera’s alarm output).
• The unit shall provide for local dome camera control through an IP connection.
Control shall include pan and tilt movements, lens zoom adjustment, focus and iris
settings; use preset position settings for instant recall (if supported by the camera);
and select a pattern scan (if supported by the camera).
• The unit shall provide an administrative operator with local and remote secured
access to the unit and its resources when used with an optional network manager.
• The unit shall increase the record rate for each camera in an alarm state.
• A menu feature shall allow each alarm input to be titled with up to ten characters
from a set including the alphabet, numbers from 0 to 9 and selected punctuation
marks.
• A menu feature shall allow the selection of alarm input polarity for each individual
input.
• A menu feature shall allow setting a global dwell rate from one second to two
minutes in duration for the display of all video inputs in sequence.
• A menu feature shall allow selection of video overlay information during
playback.
• A menu feature shall allow the live display of any attached video camera in any
location on the multi-camera display grid. This menu setting shall also allow the
operator to reset the camera display to its number order default.
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• A menu feature shall allow the setting of the unit’s time and date display. This
setting shall establish the time and date of images in the database.
• A menu feature shall allow the setting of the data lifetime limit by camera,
preventing access to recorded video after the specified period.
•
A menu feature shall allow the operator to define the static communication port
address for networking.
D-In live mode, video output shall be available as a signal in single-camera format at 640×480
pixels, in four-camera format at 320×240 pixels per pane, in nine-camera format at 213×160 pixels
per pane or in 16-camera format at 160×120 pixels per pane. When full-screen display is selected,
the signal in single-camera format shall be resized to 800×600, in four-camera format to 400×300
per pane, in nine-camera format to 267×200 per pane or in 16-camera format to 200×150 per pane.

E-Camera selection for display shall be controlled from the main screen.

F-Sequential switching of each camera in full screen or in the lower right quadrant shall be
controlled through on-screen programming.

G-The unit shall permit the playback of stored video from multiple cameras. In playback mode,
video output shall be available as a signal in single-camera format at 640×480 pixels, in four-
camera format at 320×240 pixels per pane, in nine-camera format at 213×160 pixels per pane or in
16-camera format at 160×120 pixels per pane. When full-screen display is selected, the signal in
single-camera format shall be resized to 800×600, in four-camera format to 400×300 per pane, in
nine-camera format to 267×200 per pane or in 16-camera format to 200×150 per pane. The unit
shall allow operator selection and display of stop-action or frozen images of any stored image
while in playback mode. As an option, the unit shall allow magnification of a display image up to a
factor of 16 times its original size.

H-Playback tools shall provide the means to enhance any stored image for display or output to an
attached printer. This selection of tools shall include image enhancement, image sharpening,
brightness and contrast control, and hue and saturation/lightness control.

I-In playback mode, the unit shall allow a selected image to be saved to an internal floppy disk
drive or loaded from a floppy disk and displayed on the unit. The unit shall allow the use of
enhancement tools on the loaded image.
Images stored in the database shall be identified to allow search and retrieval by type of event or
image. Searches shall be specified by alarm, camera number, date/time, event type (i.e., video loss)
or filter. Search results shall be provided in a scrollable list to allow selection for display.

J-A data lifetime feature shall allow users to delete data on a user-defined basis, either system
wide or camera by camera.

K-A standard data export pack shall give the user the ability to identify previously recorded video
segments and copy them to a removable media drive available to the unit’s operating system.
Internal and external writeable CD devices shall be supported.

L-The IP digital video management system shall be 1U standard rack mount server—1.75" × 19" ×
22" (4.4 cm × 48.2 cm × 55.9 cm). The unit shall weigh approximately 25 lbs. (11.34 kg).
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M-Rear panel connectors and controls shall be labeled indicating the intended origin or
intended destination of the input or output available at each connector, or the associated
feature controlled. The specific type of connector or control shall be as follows:
• The power input connector shall accept an IEC-320-C13 plug.
• The serial communications port shall be a DB9-P (plug) with gold-plated contacts.
Receive and transmit pin locations shall be in accordance with DCE equipment.
• The SVGA output shall be a HD15-S connector with gold-plated contacts. It shall
accept a standard SVGA HD15-P connector with a 9U-AWM-E89980-SUNF low-
voltage cable attached.
• The network connector port shall be an RJ-45 Category 5 twisted-pair Ethernet
(CAT 5 TPE) connector.
• Data transfer connectors for the optional external drives shall be four Universal
Serial Bus (USB) Type “A” receptacles.
• The optional “FireWire” connector port shall be an IEEE 1394 connector.

N-The unit shall provide SATA hard drives with storage capacities of 250 GB or 500 GB for
recording.

O-The operating system shall be contained within an 8.0 GB partition on one of the drives. The
data shall be contained within the remaining hard disk space, for combined minimum data storage
of 112.0 GB. Assuming 16 installed cameras, normal resolution and moderate activity, the digital
video management system shall be able to store at least 27.6 days of images with 480 GB of
storage at an overall record rate of 30 images per second for NTSC and at least 33.2 days of
images with 480 GB of storage at an overall record rate of 25 images per second for PAL.
Optional External Storage Modules (ESMs) shall be available through an optional IEEE 1394
“FireWire” connector, which can provide up to 1920 GB additional storage.

P-Image transfer or system software update shall be available through an internal 1.44 MB, 3.5",
half-height, IDE controlled floppy disk drive.

Q-Removable data storage and system software updates shall be available through a compact disc
rewriteable (CDRW/DVD) drive. The CDRW/DVD drive shall be a 5.25" half-height, IDE-
controlled drive, using 74 minute (650 MB) or 80 minute (700 MB) rewriteable CDs. The optional
external CDRW accessory drive shall be available.

R-Network access shall be available through an internal network connection that supports
10BASE-T (10 Mbps), 100BASE-TX (100 Mbps), and Gigabit (1000 Mbps) network operation.

S-Factory approved antivirus software can be installed using a configuration tool as an option,
including Network Associate’s McAfee VirusScan Enterprise Edition or Symantec Anti-Virus
Corporate Edition. Antivirus software shall detect and deactivate any malicious software
attempting to attack and invade the unit. The module shall automatically scan incoming code
coming from network, modem, or removable media sources.
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T-The following standards and requirements shall apply to the signal processing and
communications features of the unit:
• EMC (Emissions and Immunity) — FCC Part 15b, Class A: Conducted and
Radiated Emissions; EN50130-4 (1996): Immunity Requirements for Components
of Fire, Intruder and Social Alarm Systems; EN55022 (1995): Conducted and
Radiated Emissions; EN61000-3-2 (1995): Power Line Harmonics; EN61000-3-3
(1995): Power Line Flicker.
• Safety - UL1950, CUL1950, 3rd edition; EN60950 (1992), Amendments 1, 2, and 3.

U-The digital video management system video input and video output signal shall conform to RS-
170 and RS-170A standards. During system operation or configuration in on-screen programming
mode, the SVGA display output shall produce a blank black background on which the system
graphic interface shall be displayed. The display output when multiple video inputs are displayed
shall be windows of equal size and intensity value in normal live and playback modes.

5.2.6.3 Minimum Performance Specifications

The digital video management system must meet the following operating requirements:
Alarm
AlarmAlarm Duration……………… Programmable from five seconds to five minutes
Pre-alarm .......................................... Programmable from fifteen seconds to five
minutes
Display
Color Palette ..................................... 16,777,216 colors (24 bits)
Gray Shades ...................................... 256 (8 bits)
Display Controls ............................... Mouse-selectable buttons with indicator lights.
Record Options
Record Mode .................................... Linear, Circular
Image Sensitivity .............................. High, Normal
Image Quality ................................... Super, Normal, Extended Record
Image Rate Settings (images per second)
NTSC/EIA.................................. 1-30 ips per stream
PAL/CCIR.................................. 1-25 ips per stream
Resolution......................................... 320×240, recorded
640×240, recorded
640×480, recorded
640×480 live display, 800×600 full screen
Quality/Capacity Settings
Extended Record ........................ Maximum compression
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Normal ....................................... Medium compression

Super .......................................... Minimum compression
Video Sensitivity
Normal ....................................... Medium delta threshold
High............................................ Low delta threshold
Alarm Recording
Settings....................................... Image rate, quality and sensitivity can be
independently set for alarm conditions on each
camera
Adjustable Duration ................... Pre-alarm is programmable from five seconds to
five minutes; post alarm is programmable from
five seconds to five minutes
Schedule ..................................... Programmable recording times for each day of the
week, in thirty minute increments
On-Screen Controls
Camera.............................................. Selects camera for viewing
Alarms .............................................. Selects alarm review function
Play/Pause ........................................ Controls playback direction and speed of selected
video segment
1×1 button ........................................ Selects 1×1 picture display format
2×2 button ........................................ Selects 2×2 picture display format
3×3 button ........................................ Selects 3×3 picture display format
4×4 button ........................................ Selects 4×4 picture display format
Status ................................................ Displays status information for each camera
Sequence ........................................... Accesses sequential display options
Full Screen........................................ Switches display to full-screen mode
Search ............................................... Selects image database search screen
Utility................................................ Displays utility options menu
Archive ............................................. Displays archive options menu
Setup ................................................. Displays setup options menu
Help .................................................. Displays onscreen help topics
Front Panel Connectors
Mouse ............................................... Input device with standard PS/2-style connector
Rear Panel Connectors

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Com2 ................................................ DB9-P. Input from manufacturer-specified dome

controller
“FireWire” ........................................ Optional internal IEEE 1394 “FireWire” card
provides external connection to a maximum of
three Extended Storage Modules
Keyboard .......................................... Standard PS/2-style connector
Audio ................................................ 3 Standard 3.5 mm stereo phone jacks for analog
audio. 2 inputs/1 output
Blue (Line In)............................. Compatible with 1 Vrms line level audio sources
Green (Line Out) ........................ 3.5 mm (1/8-inch) stereo plug, 2 watts RMS per
channel
Pink (Microphone) ..................... Compatible with dynamic, condenser, and electret
microphones
Monitor ............................................. HD15-S. Live display SVGA monitor output
Mouse ............................................... Input device with standard PS/2-style connector
Network ............................................ RJ-45. Category 3 or Category 5 twisted-pair
Ethernet (CAT 3 TPE or CAT 5 TPE) connector
USB .................................................. Floppy drive, USB to RS-232 (DB9), CDRW
drive connector
Components
Hard Drives ...................................... One, two or three 3½", half-height, SATA
CDRW/DVD Drive .......................... CDRW/DVD internal drive, 5¼", half-height,
IDE connection (not present if CD-ROM drive
installed)
Network Interface ............................. Supports 10BASE-T (10 Mbps), 100BASE-TX
(100 Mbps), and Gigabyte (1000 Mbps) network
operation
Electrical
Power ................................................ Power 1×280 W non-redundant
Physical Characteristics
Dimensions ....................................... 482 mm (19") Wide
559 mm (22") Deep
44 mm (1.75") High
Environmental Requirements
Temperature...................................... 5–40 °C (41–104 °F)
Humidity ........................................... 5–95% RH non-condensing
Altitude (operating) .......................... 0–3,048 meters (0–10,000 feet)
Regulatory

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Emissions ......................................... FCC 15b, Class A

EN55022 (1995) Class A
EN61000-3-2 (1995)
EN61000-3-3 (1995)
Immunity ......................................... EN50130-4 (1996)
Safety ................................................ EN60950, Amendments 1, 2, and 3;
UL1950; CUL1950, Third Edition
5.2.7 CONTROLLER

5.2.7.1 Description
Microprocessor-based controller for complete control and programming of up to 64 Speed Dome
and supports advanced features of the Quest triplex series of multiplexers.

5.2.7.2 Performance Specifications

A-The controller shall provide all control parameters and system programming required for the
Speed Dome. The controller must be ergonomically designed and suitable for use on a desktop or
laptop. The controller must provide a variable speed track ball for controlling variable speed pan
and tilt movements of domes. A back lit LCD display areas shall be provided for controller and
dome programming and operation.

B-The controller shall provide for the ability to program and control up to 64 Speed Dome
cameras. The code for control shall be transmitted over a single, 22 AWG unshielded-twisted pair
of wires for a maximum of 1000 meters (3300 feet). The maximum number of devices that can be
connected within a network link within the 1000 meters (3300 feet) shall be 16. Network links
shall consist of a daisy chain, a backbone, or a star topology.

C-At a minimum, the controller shall provide the following programming and/or control functions:
video input or camera selection, pan/tilt or dome control; pan, tilt, view (preset) set and call,
pattern set, call and repeat, apple peel (default Speed Dome pattern), flip; lens control; zoom,
focus, iris, Auto focus/iris return; sequence control; alarm control and dome programming for
suitably equipped domes.

D-The controller shall provide for a 16-event camera sequence, which may include presets,
patterns, and fixed cameras. Each event shall allow for individual dwell times between 1 and 90
seconds.

E-The controller shall be capable of handling four simultaneous dome alarms. If more than four
simultaneous alarms should occur, the controller shall automatically remove the oldest alarm from
the queue. The controller shall allow for automatic alarm acknowledgement or manual alarm
acknowledgement.

F-The controller shall allow for the programming and recall of up to 96 dome presets and three
dome patterns for each installed dome.

G-The controller shall provide a dedicated button for accessing the DirectSet menu for Speed
Dome Ultra VII series and newer domes. This DirectSet menu provides easy access to commonly

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used dome functions.

H-The controller shall provide the ability to interface to a second controller for control of common
domes.

I-The controller shall provide RS-232 communication via module for integrating to Robot series of
compatible quad splitters and multiplexers. The integrating shall also include Digital Video
Recorders.

J-The controller shall provide access to front panel functions for the Quest triplex series of
multiplexers. These functions include programming of the multiplexer sequence, freeze
frame/freeze field functions, and control of the digital zoom.

K-The controller shall provide three modes of password protection: administrator, programmer,
and user. When no password is used, the controller shall provide the same level of use as
administrator mode. Each installed controller shall have the ability to implement passwords
independently.

L-The controller shall provide for customizable settings for LCD backlighting brightness and key
click volume. The controller shall provide the ability to turn the key click sound on or off.

M-The controller shall have the ability to support multiple languages via the LCD display and
controller overlay. The display of information, messages and control keys shall be provided in the
following languages: English, French, Spanish, German, Italian, and Portuguese.

N-A self-test mode must also be provided to verify hardware and software operation of the LCD
display, communications port for dome control, track ball calibration and memory

5.2.7.3 Minimum Performance Specifications

The controller shall meet the following requirements.

General
The controller shall provide complete control and programming for up to 64 Speed Dome Ultra or
Speed Dome Optima series domes. The controller shall have the ability to interface to a second
controller and/or integrate to a compatible quad splitter, multiplexer or digital video recorder.
Keyboard Control
Camera Control:
Pan/Tilt ...................................... Variable speed tracker ball to control pan and tilt
speed movement of domes
Camera ....................................... Calls a specified camera for control
Display ....................................... Selects full screen, quad, 3×3, or a 4×4 display
when the primary controller is interfaced to a
compatible multiplexer
Iris .............................................. Open/Close, Return to Auto Focus/Auto Iris
Zoom control .............................. Wide/Telephoto
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Focus control.............................. Near/Far

View ........................................... Selects presets for a specified video input
Pattern ........................................ Selects patterns for a specified video input
Repeat Pattern ............................ Repeats patterns for a specified video input
Peel............................................. Activates Apple Peel pattern (default SpeedDome
pattern) for a specified video input
Utility Buttons:
A, B, C and D............................. Function keys for various operations; provides
access to the Quest triplex multiplexer front panel
functions
Numeric Keypad ........................ Enters numbers associated, Cameras (video
inputs), Views, Patterns, and alarms
Clear ........................................... Clears the last keyboard entry or active alarm
Sequence .................................... Initiates the controller sequence
Next ............................................ Displays video from the next input in a sequence
Previous ..................................... Displays video from the previous input in a
sequence
Menu .......................................... Invokes the controller menu
Output ........................................ On/Off: Toggles the state of the dome output
Info ............................................. Used to toggle display of the DirectSet menu for
Speed Dome Ultra VII series and newer domes.
When used with the DirectSet menu number,
provides direct access to the designated dome
function.
Language Support
English, French, Spanish, German, Italian, Portuguese
Connections
SensorNet RS-485 ............................ Control code for up to 64 domes
RS-232 .............................................. Interface to AD/Robot quad, multiplexers and
digital video recorders
Electrical
Input Voltage ................................... 16–32 VAC, 50/60 Hz
Power Consumption ........................ 10.8 watts
Current .............................................. 450 mA
Mechanical
Mounting .......................................... Desktop or laptop
Color ................................................. Black shell with gray appliqué
Environmental
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Environment ..................................... Indoor

Operating Temperature..................... 0–50 °C (32–122° F)
Humidity ........................................... 5-95% RH (non-condensing)
Storage Temperature ........................ -20 °C to 65 °C (-4 °C to 149 °F)

Regulatory Approvals
Emissions.......................................... FCC: 47 CFR Part 15 Subpart B, Class A
CE: EN55022 Class B
CE: EN61000-3-2
CE: EN61000-3-3
AS/NZS 3548, Class A
CISPR22
ICES-003
Immunity .......................................... CE: EN50130-4
Safety ................................................ UL: UL1950
cUL: CSA 22.2 No. 950
IEC950
CE: EN60950

5.2.8 Remote Management Software for DVMS

5.2.8.1 Description
A-The software shall be a tool for retrieving and viewing live or recorded video images from one
or more DVMS® Digital Video Management Systems (DVMS). These images shall be transmitted
over a TCP/IP wide area network (WAN), local area network (LAN), Internet, or a dial-up modem.
The accessory shall be available as a software package to be installed on a high performance
desktop computer equipped with integrated central processing unit, keyboard, mouse, Windows®
98, Windows® 2000, Windows NT® 4.0, or Windows XP® operating system and monitor. The
desktop computer shall be purchased separately, according to the specifications in this document.

B-The software shall function as a retrieval device on a network to which one or more DVMS
units are connected. The software accessory shall be capable of displaying live video from up to 16
remote locations on one display screen. The selected remote locations shall be retrievable from
multiple units; the display shall not be restricted to one unit source.

C-The software shall be capable of playing back stored video segments from up to 16 cameras
directly from the remote DVMS unit’s database on one screen, and downloading the video
segments from the remote unit at the same time. It shall be capable of storing downloaded video
segments in a local video database on the user’s computer.

D-The software shall also be capable of displaying locally stored video from up to 4 separate
incidents, possibly downloaded from different DVMS units, on one screen. The software accessory
shall be capable of downloading and storing multi-camera video from a DVMS unit database in
one video incident in the local video database.
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E-The software shall provide status information on all DVMS units connected to the network. It
shall provide for retrieval of live video, alarm lists and user-selected video segments, image
playback, image enhancement, audio and text playback, and search by text string. It shall provide
video analysis tools to schedule cameras to record and specify search criteria based on type of
motion (size, speed, and direction). The software accessory shall enable full-screen viewing for
live video. It shall also provide a toggle button for switching between multi-pane and single-pane
video viewing.

F-The software shall allow the operator to save selected video clips from downloaded video. These
clips shall be available in proprietary or AVI format. Operator shall be permitted to move a video
clip to another location, i.e., e-mail the clip.

G-The software shall provide camera grouping for viewing the video from one or more DVMS
units for easy relocation on screen. Live or recorded video shall be viewable simultaneously from
multiple cameras on one or more remote units. Recorded video shall be accessible for playback
from one or more cameras with audio and text information.

H-The software shall enable the operator to schedule cameras to record video. It shall allow
remote configuration of cameras, security, archiving, recording mode, alarms, display modes,
audio, text, and camera frame rate.

I-The software shall provide for storing and managing downloaded video in a Windows Explorer-
like component sorted within categories. It shall also provide for master timekeeping for all DVMS
and associated software devices on the network and allow secure access to the DVMS setup menu
for system configuration changes. The software shall provide for control of one or more dome
cameras via an optional manufacturer-specific camera control device connected to a remote DVMS
unit.

J-The software shall provide a network bandwidth limiter, or throttle, that enables an authorized
user to adjust the necessary bandwidth required to download video. The bandwidth throttle shall
enable the user to determine the speed and amount of information that can be transferred over the
network. The software shall enable the user to set the bandwidth throttle anywhere from 10 Kbps
to 10 Mbps.

K-The software shall receive alarm notification and log all alarm events, including those in
progress. Video retrieval of events via the event log shall be available. Remote alarm generation
shall be available to mark events of interest. The remote work station is able to receive alarm
notification whether or not the software is running.

L-The software shall log and display activity occurring on the DVMS unit for specified time
periods. When viewed by a security manager, the log shall indicate all user activity on the DVMS
unit, including logons and exits, who changed a camera name, recording schedule or recording
rate, and video archived or exported to CD.

5.2.8.2 Performance Specifications

1-The software shall require a desktop computer which meets the following minimum
requirements:
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• 3.2 GHz ,1066,2X2 MB Intel® XEON 5060

• 2 GB DDR2 RAM Quad channel FBD MEMORY
• 160 GB (minimum) devoted free space on the hard disk for video storage, with at
least 20 MB available for program installation
• One 4× speed internal CD-ROM drive
• LCD monitor 1024x 768 resolution and capable of displaying 16-bit color
• 56 KB modem or 10 BASE-T or 100 BASE-TX network card (matched to the
network configuration) using the TCP/IP protocol
• 16-bit sound card equivalent to SoundBlaster16 or better for audio
• SVGA video graphics card with 512 MB video RAM that supports DirectDraw®
as required for the operating system used
• Microsoft’s Windows XP Home, Windows XP Professional, Windows 98 SE,
Windows 2000 Professional, Windows ME, Windows NT 4.0 Server or
Workstation (Service Pack 4 or higher) operating system

2-The software accessory shall consist of a CD-ROM disk containing the software application and
product documentation.

3-Printer output shall be available through a parallel port on the rear panel of the computer.
The software shall be configured so that the on-screen information may be displayed in a local
language. This language shall be defined during installation.

4-Data entered by an operator, such as a folder name, shall be displayed in the language used for
entering the data. Messages generated by the software device shall appear in a local language.

5-The software device shall support a local date format configured in the Windows operating
system.

6-The main screen shall contain the controls and indicators for normal operation as well as access
to all other system functions.
• Program menus shall provide access to functions such as database, category and
incident management, display of video information, display of toolbar and status
bar, alarm and video retrieval, refresh instruments, instrument status, instrument
setup, bandwidth configuration, live video display, time synchronization, display
configuration, remote instruments, communication ports, live camera defaults,
image enhancement, status retrieval, video search criteria, export of video images
and on-line help.
• A toolbar shall provide easy-to-use point and select icons that access commonly
used functions for both live video and playback video displays.
• Saved incidents and incident categories shall be visible in a directory tree on the
left side of the main display. Pop-up menus for administering these incidents and
categories shall be accessible using the right mouse button. Selecting an
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incident from a category shall enable the playback screen, functions and toolbar.
• User annotations to incidents shall be visible and editable in a pane accessed with
a left mouse click to the notes tab when the incident is selected. A pop-up menu
for editing annotations shall be accessible using the right mouse button.
• DVMS instruments and attached cameras that are active on the network shall be
visible in a directory tree on the left-hand side of the display Pop-up menus for
administering these instruments and their cameras shall be accessible using the
right mouse button. Selecting an instrument shall enable the status screen,
displaying the instruments properties, and enable the live functions and toolbar.

7-The software shall provide menu features to manage and maintain the database of stored
incidents other than those stored on the DVMS instruments.
• A status bar shall provide information about items over which the mouse pointer is
currently positioned.
• A menu feature shall provide for creating, renaming and deleting databases.
• A menu feature shall provide for creating, renaming, deleting and moving
incidents within the database.
• A menu feature shall provide for moving, deleting and renaming incidents.
• A menu feature shall provide for exiting the program.

8-The software shall provide menu features that allow the user to display or hide screen items.
• A menu feature shall display or hide the toolbar.
• A menu feature shall display or hide the status bar.
• A menu feature and toolbar button (when the toolbar is displayed) shall display or
hide video information for the currently displayed video segment or incident.

9-The software accessory shall provide menu features to activate functions of the device.
• A menu feature shall provide for retrieving alarms by instrument, cameras, time
and date.
• A menu feature shall provide for retrieving video by instrument, camera, time and
date with or without text and/or audio information.
• A menu feature shall provide for refreshing communications to those remote
instruments listed in the remote instruments setup list.
• A menu feature shall provide for retrieving an instrument status when an
instrument is selected.
• A menu feature shall provide for retrieving and changing an instrument's setup
when an instrument is selected.

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• A menu feature shall provide for retrieval and display of live video when an
instrument is selected.

10-The software shall provide menu features to configure the device.

• A menu feature shall provide a complete list of settings and functions for each
DVMS that can be remotely configured based on each remote user’s access PIN.
Functions include schedule setup, motion detection filter setup, images per second
(ips), resolution setup, gain control setup, camera name and setup, storage, archive
schedule, alarm setup, and frame rate control.
• A menu feature shall provide for automatic frame rate selection or per camera
frame rate selection. Auto rate mode shall enable all cameras to receive equal
amounts of the total record rate capacity. Per camera frame rate mode shall allow
the user to select the rate for each connected camera, with no individual camera
able to record faster than 30 ips.
• A menu feature shall provide for master timekeeping for all DVMS instruments
and associated software devices on the network. If any messages are returned, they
shall be displayed.
• A menu feature shall allow the operator to set the display configuration.
• A menu feature shall allow the operator to access the remote instruments setup
list, where instruments can be added, deleted and edited by their name, IP address,
communication ports and type.
• A menu feature shall provide for editing the device communication port.
• A menu feature shall provide for setting the default live camera settings, by image
quality and motion sensitivity.
• A menu feature shall provide for enabling or disabling a specific bandwidth
throttle. The throttle shall determine the amount of information that can be
downloaded and the download speed. This password-protected feature shall permit
the user to enable a specific throttle in Kbps or Mbps. The bandwidth throttle
value shall allow values in the range of 10 Kbps to 10 Mbps.

11-The software shall provide menu features for information about the program.
• A menu feature shall provide access to help topics, which define the functions and
operation of the program.
• A menu feature shall provide access to the version of the program.

12-The software accessory shall communicate with DVMS and associated software devices over a
wide area, local area or dialup TCP/IP network, or using the Internet, if there is an ISP.
• The software shall have the ability to connect with any, or all DVMS units
connected to the network on demand.

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• A status bar shall indicate the number of DVMS instruments that are available to
the accessory over the network.
• The user shall be able to access the status, setup and video of any DVMS unit on
the network, depending upon security setup and access permissions.
• The user shall be able to list the DVMS instruments and define the communication
parameters, including instrument name IP address, and communication ports.
• The accessory shall provide an automatic daily timekeeping function to
synchronize the time on all DVMS and associated software devices on the
network.
• Dome control only available.

13-The software shall provide for remote dome control.

• The user shall be able to pan, tilt, and zoom the dome remotely.
• The user shall be able to adjust the focus and iris of the camera remotely.
• The user shall be able to call preset positions and run set patterns remotely.

14-The software shall provide for retrieval of live video from any DVMS instrument active on the
network.
• The user shall be able to select the instrument and display live video in a single
window or a window divided into 2×2, 3×3 or 4×4 window panes.
• The live 2×2, 3×3 or 4×4 window panes can display live video from any camera
on any instrument that is active and on the network.
• The user shall be able to name and save different camera window displays via a
Configurations pull-down list. Names shall be a minimum of 32 characters long.
The software shall be capable of saving up to 32,000 different named display
configurations.
• Each live window pane shall have a popup menu, available via right mouse click,
to access the settings for the pane, including the quality and sensitivity settings.
• The software shall provide for control of dome camera functions for one or more
cameras so equipped connected to a remote DVMS instrument active on the
network.
• The user shall be able to control pan/tilt movement, iris open/close, focus near/far,
and zoom in/out functions on a dome camera with these features through a
transparent control diagram overlay on the live video display of the associated
camera.
• The user shall be able to activate 1 to 96 preset camera positions through a
transparent control diagram overlay on the live video display of the associated
camera.

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• The user shall be able to activate 1 to 3 pre-programmable scan patterns through a

transparent control diagram overlay on the live video display of the associated
camera.
• The user may choose to control pan/tilt direction and speed directly through a
mouse navigation cursor. The user may choose to control zoom in/out functions
directly through a mouse equipped with a scroll wheel.

15-The software shall provide for downloading video of alarms, 1 channel of audio, and text
streams with associated video information from connected DVMS units.
• The software shall display a time estimate before downloading any information.
The user shall be able to download a segment at this time, or at a later time or to
select a smaller/larger alarm list or video segment(s).
• The user shall be able to download a list of alarm events from a DVMS unit, based
on camera, and date/time search and alarm criteria. A list of events that meet the
search criteria shall appear.
• The user shall be able to select and download one or more video segments from
the alarm list.
• The user shall be able to search for an alarm video segment on a DVMS unit,
based on camera, date and time criteria, and the type and nature of the alarm (e.g.,
motion detection), and then download it.
• The user shall be able to search for a specific text string based on date/time or
alphanumeric characters and then download it.
• The user shall be able to search for non-alarm video segments on a DVMS unit,
based on camera, date and time criteria, and then download a segment or
segments.
• The user shall be able to assign an incident name to the downloaded video
segment or segments and create a note for it (up to 1,024 alphanumeric characters,
including spaces).
• The user shall be able to define the location to which incident(s) will be saved.
• The user shall be able to export the video clip in multiple AVI formats or in ACC
format so that it can be transferred to other workstations.
• The user shall be able to download and save a portion of a video segment or
segments.

16-The software shall provide for reviewing downloaded video segments with or without
associated audio or text information.
• The directory tree shall provide access to saved incidents.
• When an incident is selected, the first frame of video for that incident or incidents
shall be displayed in the image display area to the right of the directory tree.

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• During playback, the user shall be able to control playback direction and speed,
and to pause image playback. The user shall also be able to display the incident or
incidents in full-screen.
• The user shall be able to review one video segment or up to 16 synchronized video
segments previously downloaded from the same DVMS. Synchronized video
segments shall be those segments that occurred simultaneously and were
downloaded in the same operation. Video segments shall be stored together as an
incident in the database and played back on a multi-pane screen.
• The user shall also be able to review up to four asynchronous video segments from
one, two, three or four different DVMS units. Asynchronous video segments shall
be those segments that may have occurred in different time frames and may have
been downloaded separately. Video segments shall be dropped onto playback
screens for viewing from the incident database.
• The mouse shall control whether video is paused or playing back at a normal rate.
• A slide bar shall control the direction and speed of the playback. Sliding the bar to
the right shall increase forward playback of video. Sliding the bar to the left shall
play back video in reverse at varying speeds.
• The mouse shall allow the operator to go to the incident’s first or last frame of
video.
• A button shall allow the operator to toggle the associated audio on or off.
• The mouse shall allow the operator to control the volume of the associated audio.
• A button shall allow the operator to toggle the associated text on or off.
• A button shall expand the image area to fill the display.
• A button shall access a screen that allows the user to manipulate and enhance a
selected frame of video, using a number of image enhancement tools. The user can
enhance, sharpen, smooth, lighten or change the contrast on the image. Then the
image can be saved to a separate file or a floppy disk and/or printed.

17-The software shall maintain the integrity of the original data and video on the DVMS unit.

5.2.8.3 Minimum Performance Specifications

The software accessory must be installed on a desktop computer that meets the following
minimum requirements:
CPU: ................................................. Intel® Pentium III® 600 MHz. (Pentium Celeron
or Pentium 4 preferred)
Operating System: ............................ Windows® 98, Windows® 2000, Windows ME, or
Microsoft® Windows NT® 4.0 Server or
Workstation (Service Pack 4 or higher).
RAM: ................................................ 256 MB.

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Hard Disk: ........................................ 10 GB (recommended) free space, 20 MB

available for program installation.
Other Drives: .................................... CD-ROM for software installation
Monitor: ............................................ 800×600 resolution and capable of displaying 16-
bit color (32-bit recommended).
Video Card: ...................................... 8MB VRAM minimum, DirectDraw® support for
Windows NT or the operating system used is
recommended.
Sound Card: ...................................... 16-bit (equivalent to SoundBlaster or higher)
Network Card: .................................. Must support 10 BASE-T (10 Mbps) and/or 100
BASE-TX (100 Mbps) operation and/or dialup
modem; must match network configuration.
Miscellaneous: .................................. Mouse or other 2-, 3-button, IR or track-ball
pointing device; 104-Key Enhanced keyboard or
equivalent.
Minimum Network Requirements
TCP/IP, 10/100 Base-T, or 33.6 dial-up modem is recommended. Data throughput across a
network is limited by bus speed, network traffic, packet size and DVMS application. Each DVMS
unit requires an IP address.
Operational Information
Remote Access ................................. LAN, WAN, Internet through an ISP or dial-up
connection
Maximum Number of Network Client Connections to an DVMS Unit
Concurrent Viewing of Live Video: 5

5.2.9 FLAT PANEL MONITORS

5.2.13.1 Description
High resolution 15- and 17-inch LCD multi-mode monitors, capable of 1024x768 (XGA) or 1280
x 1024 (SXGA, 17-inch model only) display and auto-sensing NTSC/PAL input.

5.2.9.2 Performance Specifications

A-The LCD monitors shall provide an active matrix display capable of displaying high-resolution
analog computer signals up to 1280 x 1024 pixels for 17-inch model at 75 Hz. The display must
automatically adapt to the appropriate input resolution. The LCD monitors must automatically
detect and display all inputs, including composite NTSC/PAL video or computer signals. The LCD
monitors must offer looping inputs for S-Video (Y/C) or BNC type connections.
B-The LCD monitor must be capable of displaying a maximum of 16.7 million colors.

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C-The 17-inch LCD monitor must provide a viewing angle of ± 75° (horizontal) or ± 70°
(vertical).
D-The 17-inch LCD monitor must provide a tilt of -5° to 20°, a contrast ratio of 400:1, a brightness
of 430 cd/m2, and a response time of 25msec.
E-The LCD must include a detachable base and VESA compliant mounting holes. In addition,
VESA compliant mounting accessories must be available to mount the LCD monitors in rack, wall
or pole applications.
F-The monitor must include a universal power supply, allowing it to be compatible with a
voltage range of 100 - 240 VAC (50/60 Hz). Power consumption must not exceed 45
watts.
G-The LCD monitors must be shipped with both North American NEMA 5-15P and Continental
European CE 7/7 power cords terminating in a standard IEC320 configuration.
H-The monitor must contain a latching power switch which remains in the set position, either on
or off, regardless of incoming power status. This means that the unit does not have to be
physically turned back on after a power loss.
I-The LCD monitor shall provide on-screen display (OSD) for adjusting monitor settings including
brightness, contrast, auto adjust, phase clock, horizontal position, vertical position, sharpness, and
color temperature.
J-The monitor must be able to operate to full specifications within the normal temperature range of
10° to 40° C (50° to 104° F) and a storage temperature range of -20° to 60° C (-4° to 113° F).

5.2.9.3 Minimum Performance Specifications

The LCD monitor must meet the following requirements:
General
LCD Panels: ............................................ Active matrix TFT
Pixel Pitch .............................................. 0.264 (H) x 0.264 (V) mm
Viewing Angle ........................................ ±75° (H) ±70° (V)
Viewing Area ......................................... 338 (H) x 270 (V) mm
Color ...................................................... 16.7 million (max)
Brightness .............................................. 430 cd/m2
Contrast .................................................. 400:1
Resolution .............................................. 1280 x 1024
Tilt: ......................................................... -5°to 20°
Response Time:....................................... 25 ms (Tr+Tf) (typical)
Electrical
Power Supply .......................................... 100/240 VAC, 60/50 Hz auto
switch
Consumption ........................................... 45 watts max, standby 5 watts
TV System .............................................. NTSC/PAL auto detection

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Scan Frequency ....................................... NTSC: 15750 Hz ± 500 Hz/60 Hz

PAL: 15625 Hz ± 500 Hz/50 Hz
Mechanical
Color: ...................................................... Black plastic bezel with Black cabinet
Construction:........................................... Plastic
Mounting:................................................ Detachable base with rack, pole or wall
mounting options
Environmental
Temperature:
Operating ................................... 10° to 40° C (50° to 104° F)
Storage ....................................... -20° to 60° C (-4° to 113° F)
Humidity:
Operating ................................... 20 - 80% RH (non-condensing)
Storage ....................................... 10 - 95% RH (non-condensing)
Altitude ................................................... 15,240 m (50,000 ft)
Inputs/Outputs
Video ....................................................... 1 in (BNC); 1.0 V pp 75Ω
1 loop-through out (BNC)
S-Video ................................................... 1 in (DIN-4), 1 V pp 75Ω
1 loop-through out (DIN-4)
Audio ...................................................... 2 in (RCA); 0.7 V pp at 1 KHz
2 loop-through out (RCA)
XGA ........................................................ 1 in (D-sub 15 pin); 0.7 V pp 75Ω
Speaker Output ....................................... 2 x 1.0 watts built-in
Controls
Front Panel Controls ............................... Power, Auto Adjust, Menu, Up,
Down
OSD Controls .......................................... Brightness, Contrast, Auto
Adjust, Phase Clock, Horizontal
Position, Vertical Position,
Sharpness, Color Temperature,
Language, Light Sensor, OSD
Position, Video Select, Recall
Regulatory
Emissions ................................................ EN50081-1, FCC Class B
Immunity ................................................. EN50082-1
Safety ...................................................... EN60950, UL1950, CSA 950

5.2.10 RACKS, CABINETS AND CONSOLE

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5.2.10.1 Switching Cabinets: are to comprise freestanding 20- inch racks inside enclosed
cabinets. Standard holes are to be provided for panel mounting of control equipment and
cable distribution terminal boards, which are to be easily accessible for maintenance.
Cabinets are to be galvanized sheet steel box construction with joints welded on inside.
Multi-formed mounting channels are to be standard gauge cold rolled steel, with
secondary chassis providing infinite front-to-back adjustment. Base section is to be
minimum 1.5 mm thick cold rolled steel. Blower panels are to be installed in base
section of each cabinet to provide required filtered air at zero static pressure. Depth of
unit is to allow cable access through bottom and back of racks.

5.2.10.2 Console: is to be of modular design and contemporary styling, solid welded steel
construction with concealed mounting screws, having laminated desk top and monitor
turret housing, and containing the following:
Monitors
Auxiliary equipment.

5.2.10.3 Console is to have louvered side panels and interface styling throughout. Sections are to
include face mounted 40 mm drop edge wiring surfaces with radius corners. Surface is to
include one pair (per section) of support arms 550 mm deep. Supervisor cabinets are to
include locking sliding drawer. Surface top and three sides are to be finished in gray
linen 1/16-inch thick texolite laminate. Cabinet is to include down point cabinet sections
to house closed circuit monitors. Units are to be divided and are to provide good picture
quality.

5.2.10.4 Finishes: steel cabinet and console are to be phosphates and treated with one
weatherproof base coat and two coats of epoxy paint or approved air-drying enamel of
color to be selected by the Engineer.

5.2.11 INSTALLATION, GENERAL

5.2.11.1 Outdoor Installation: Conform to ANSI C2, "National Electrical Safety Code."

5.2.11.2 Surge Suppressors Installation: Where AC power-operated devices are not protected
against voltage transients by integral surge suppressors conforming to UL Standard 1449,
install surge suppressors at the devices' power line terminals.

5.2.11.3 Wiring Method: Install wiring in raceways except as otherwise indicated. Conceal
raceways except in unfinished indoor spaces. Raceways are to be part of the cable price
and are deemed to be included.

5.2.11.4 Wiring within Enclosures: Bundle, lace, and train the conductors to terminal points
with no excess. Provide and use lacing bars and distribution spools.

5.2.11.5 Pulling Cable: Do not exceed manufacturers recommended pulling tensions. Do not
install bruised, kinked, scored, deformed, or abraded cable. Do not splice cable between
indicated termination, tap, or junction points. Remove and discard cable where damaged
during installation and replace it with new cable.

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5.2.11.6 Exposed Cable: Install parallel to building lines, follow surface contours, and support as
recommended by manufacturer.

5.2.11.7 Equalization of Video Signals: Where system performance may be degraded in certain
operating modes because of varying connections of multiple devices from mode to mode,
revise component connections and install video distribution amplifiers and attenuators as
required to provide consistent high-level performance.

5.2.11.8 Splices, Taps, and Terminations: For power and control wiring use numbered terminal
strips in junction, pull, and outlet boxes, terminal cabinets, and equipment enclosures.
Tighten connections to comply with tightening torques specified in UL Standard 486A.
5.2.11.9 Grounding: As recommended by manufacturers except as otherwise indicated.

5.2.11.10 Make final connections: to equipment in the presence of the equipment manufacturer's
representative.

5.3 EXECUTION
5.3.1 CCTV SYSTEM INSTALLATION:
5.3.1.1 Camera Mounting: Install cameras in the general vicinity indicated, adjusted to final
locations defined by camera location tests. Provide adequate headroom below cameras
and their mountings. Where necessary, change the type of mounting to provide adequate
headroom below.

5.3.1.2 Install power supplies and other auxiliary components: at control stations. Do not
install such items in the vicinity of the devices they serve except as otherwise indicated.

5.3.2 IDENTIFICATION:
5.3.2.1 Identify: system components, wiring, cabling, and terminals according to Division 16
Section "Electrical Identification".

5.3.3 FIELD QUALITY CONTROL:

5.3.3.1 Manufacturer's Field Services: Provide services of factory-authorized service
representatives to supervise the field assembly and connection of components and system
testing and adjustment.

5.3.3.2 Inspection: Verify that units and controls are properly labeled and interconnecting wires
and terminals are identified.

5.3.3.3 Pretesting: Align and adjust the system and pretest all components, wiring, and
functions to verify they conform to specified requirements. Replace malfunctioning or
damaged items with new items. Retest until achieving satisfactory performance and
conditions.

5.3.3.4 Final Acceptance Testing Schedule: Schedule tests after pretesting has been
successfully completed and system has been in normal functional operation for at least 2
weeks. Provide a minimum of 10 days' notice of acceptance test performance schedule.
5.3.3.5 CCTV Camera Location Test: Support each camera temporarily at the location
indicated and connects to monitor. Adjust camera location and mounting and
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substitute fixed lenses as approved to provide required performance at monitor. Adjust

locations within 15 feet (5m) of those indicated with no change in Contract cost.

5.3.3.6 Record: results of tests.

5.3.3.7 Retest: Correct deficiencies identified by tests and observations and retest until specified
requirements are met.

5.3.4 CLEANING:
Clean: all system components including camera housing windows, lenses, and monitor
screens. Use methods and materials recommended by manufacturer.

5.3.5 ADJUSTMENT:
5.3.5.1 Occupancy Adjustments: When requested within 1 year of date of Substantial
Completion, provide on-site assistance in adjusting the system to suit actual occupied
conditions. Provide up to 2 requested adjustment periods at the site for this purpose
without additional cost.

5.3.6 DEMONSTRATION:
5.3.6.1 Training: Arrange and pay for the services of a factory-authorized service representative
to demonstrate adjustment, operation, and maintenance of the system and to train
Owner's personnel. Include demonstration of methods to determine optimum settings for
system controls.

5.3.6.2 Conduct: a minimum of 72 hours of training as specified under Instructions to Owner's

Employees in Division 1 Section "Project Closeout".

5.3.6.3 Schedule: training and adjustment with at least 7 days' advanced notice.

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SECTION 16988 - STRUCTURED CABLING

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK & SCOPE

A. The intent of this document is to provide specifications to establish minimum performance levels for data
and voice networks structure cabling for new construction.

B. It is the job of the telecommunications contractor to provide all labor, material, supervision, tooling, and
equipment necessary for a complete communications cabling system as called for in these specifications
and indicated on the drawings. All the codes and standards mentioned below are adhered to.

C. Contractor scope of work includes all passive infrastructure. And also includes all necessary coordination
& survey of the existing main equipment to connect the new outlets.

D. Contractor scope of work includes providing 8 Ethernet connection, CAT-6 cable terminated with CAT-6
socket to existing data patch panels and data switches.

E. Contractor scope of work also includes providing 8 Coaxial cables terminated with f-type socket to
deliver TV signal, Contractor shall connect all cables to the existing Master TV system.

1.2 RELATED DOCUMENTS

A. All work and equipment shall conform to the appropriate portions of the following specifications, codes
and regulations:

1. Telephone and Data operators’ Wiring Specifications.

2. Building Industry Consulting Services International (BICSI).
3. Telecommunications Distribution Methods Manual.
4. ANSI/TIA/EIA Standards
a. ANSI/TIA/EIA- 568-B.1- Commercial Building Telecommunications Cabling Standard,
Part 1: General Requirements.
b. ANSI/TIA/EIA -568-B.2 - Commercial Building Telecommunications Cabling Standard,
Part 2: Balanced Twisted Pair Cabling Components.
c. ANSI/TIA/EIA – 568-B.3 - Optical Fiber Cabling Components Standard
d. ANSI/TIA/EIA - 569A- Commercial Building Standard for Telecommunications Pathways
and Spaces
e. ANSI/TIA/EIA – 606 (A) - The Administration Standard for the Telecommunications
Infrastructure of Commercial Buildings
f. ANSI/TIA/EIA - 607 (A) - Commercial Building Grounding and Bonding Requirements
for Telecommunications
g. ANSI/TIA/EIA - 526-7 -- Measurement of Optical Power Loss of Installed Single-Mode
Fiber Cable Plant.
h. ANSI/TIA/EIA-526-14A -- Measurement of Optical Power Loss of Installed Multimode
Fiber Cable Plant.
5. National Electric Safety Code (NESC).
6. National Fire Protection Association (NFPA).

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7. National Electrical Code (NEC)

8. Any Applicable Local Codes.
B. If conflict exists between applicable documents, then the more stringent requirement shall apply.

1.3 SUBMITTALS

A. Submittals shall include complete catalog and other information shown to describe the cable, wire and
equipment proposed to be furnished and to verify compliance with this specification. If any material other
than the materials mentioned in this specification is used, product material samples with specifications are
to be provided to the project manager for approval.

1.4 COORDINATION OF WORK:

A. Certain final connections and tie connections are to be defined by service operator. The contractor is to
coordinate with the project manager and the service operator representative so that the tie work and final
connection can be accomplished in an orderly and timely manner.

1.5 QUALIFICATIONS:

A. All telephone and data wiring work is to be performed by a qualified telecommunications subcontractor
regularly employed in this field. The subcontracting company performing the telecommunications work
must have been continuously in the telecommunications business for at least the past five consecutive
years. All work is to be performed under the electrical contract.

B. The electrical contractor shall have overall responsibility and shall coordinate all requirements for the
system. All qualifications, including the firm’s facilities, shall be available for inspection by the owner
and/or the project manager.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Approved Manufacturers: Refer to approved vendor list.

2.2 COPPER TRANSMISSION MEDIA

A. TV CABLE

1. RG-6/U, Indoor Trunk Cable: No. 14 AWG, solid, bare-copper conductor; cellular polyethylene
dielectric insulation. Bare-copper braid shield with 95 percent minimum shielding factor. Jacketed
with black PVC. Suitable for indoor installations.

B. DATA NETWORK CABLE

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1. Station data network cables shall be Category 6 (Cat6) compliant (as described in ANSI/TIA/EIA-
568 - B specifications and as listed in the most recent UL Directory) 100 ohms, four-pair, 23 or 24
gauge copper, plenum-rated for plenum areas, unshielded twisted pair cables. The outer jacket of
the cable shall be WHITE in color.

2.3 TERMINATION HARDWARE

A. MODULAR PATCH PANELS

1. The modular patch panel shall be constructed to accept the same modular jack that will be used at
the outlet. Modular patch panels shall be of the same manufacturer as the modular jack and shall
be sized to accommodate the appropriate number of jacks. The panel shall fit in a 19 inch rack and
be colored black.

B. MODULAR JACKS

1. Modular jacks shall be color coded to install wire to ANSI/TIA/EIA-568-B wiring standard. The
jack shall be of the appropriate category compliance to match the wire to be terminated (Cat6
compliant jack on Cat6). The telephone compliant jacks shall be Electrical Ivory in color and the
data compliant jacks shall be Gray in color.

2. It is the responsibility of the contractor to make sure that jack and wire combinations are of the
same “category” rating.

C. COPPER PATCH CORDS

1. Copper patch cords should be of the same manufacturer as the Cat 6 jack. The patch cords should
be part of a complete channel solution to provide optimum performance. The Cat 6 patch cords
should meet or exceed TIA/EIA-568-B-2.1.

D. CABLE TRAY SPECS

1. 300mm x 50mm with or without cover according to the space from ceiling; if it is less than 30 cm
it shall be without cover, if is more than 30 cm it can be with cover.

E. COAXIAL CABLE CONNECTORS AND TERMINATION HARDWARE

1. Coaxial Cable Connectors: Type F, 75 ohms. Connectors shall be properly sized for the cable
outside diameter. Connectors shall be axial press-terminated to create a radial interference fit with
the cable. Connector shall not pull-off by an axial pull force of 70 pounds. Other connector types,
such as screw-on and hex crimp connectors are not acceptable.

2. Coax Jacks: Female-type modular bulkhead connector, housing Type F mating adapter. Metallic
parts of anodized brass, beryllium copper or phosphor bronze.

a. Attenuation: Less than 0.1 dB.

b. Voltage Standing-Wave Ratio: Less than 1.15 to 1.

F. FACEPLATE

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1. Outlets: refer to Contract Drawings.

a. Plastic Faceplate: High-impact plastic.
b. Metal Faceplate: Stainless steel.
c. Coordinate color and finish selection with Architect.
d. All data outlets shall be RJ45 CAT6 outlets.
e. All TV outlets are F type socket

PART 3 - EXECUTION

3.1 TRANSMISSION MEDIA

A. It is the responsibility of the contractor to properly terminate all cables that they install. No cable will be
installed un-terminated.

3.2 INSTALLATION

1. Horizontal Service Data Cable

a. All horizontal distribution runs shall work together to produce optimum efficiency and
throughput. It is the responsibility of the contractor to make sure that both jack and wire are
of the same “category” rating.

2. TV RG6 Cable
a. Terminations: Terminate coaxial cables on dedicated coax patch panel mounted to floor-
standing rack in. Terminate to female Type F mating connector at user interface faceplate.
b. Pulling Cable: Do not exceed manufacturer's recommended pulling tensions. Do not install
bruised, kinked, scored, deformed, or abraded cable. Do not splice cable between indicated
termination, tap, or junction points. Remove and discard cable where damaged during
installation and replace it with new cable.
c. Do not exceed manufacturer's recommended minimum bending radiuses
d. Cold-Weather Installation: Bring cable to room temperature before derailing. Heat lamps
may not be used for heating.
e. Cable may not be installed in same raceway with power cable.
f. Coaxial cable shall not be spliced except on plywood backboards in wire closets or in
cabinets designated for the purpose.
g. Do not use water-based cable pulling lubricants with PVC-jacketed cable.
h. Install passive circuit devices, such as splitters and attenuators, in wire closets or cabinets.
Do not install attenuators as part of user-interface device outlets.

3.3 CABLE TERMINATIONS

1. Outlets

a. Work Area Data & Voice Outlets: The outlet will be complete Category 6 rated RJ45 jacks
(terminated) for both telephone and data. All RJ45 jacks shall be terminated using the
EIA/TIA 568B configuration. Work station jacks shall be terminated with a minimum of 9"
of slack in the outlet box. All pairs of the station cable shall be terminated.

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b. Wall mounted voice outlet, TV Outlet, wireless access point Outlet. Shall be the same as
work area outlets mentioned above.
c. All types of outlets shall be differentiated and labeled for its function from both
terminations.

3.4 CABLE SPLICING

1. Inside copper cable

a. There shall be NO splices in station cable (telephone or data). If a cable is damaged or does
not pass testing and acceptance procedures, that cable must be removed and replaced at
contractor’s expense.

3.5 CONDUIT

A. Horizontal building conduit

1. Connecting communications telecommunication rooms

a. All conduits shall contain a suitable pull string or wire.

b. All conduits shall have a gasket on each end to prevent abrasion of cable.
c. All conduit penetrations shall be appropriately fire stopped to comply with all fire and life
safety codes.
d. All conduit turns shall be sweeping turns (no “LBs”). Conduit runs shall contain no more
than the equivalent of two sweeping 90 degree turns with the installation of e suitably sized
pull box. Pull box size shall be dependent on the particular installation but shall be no less
than twelve-inches by twelve-inches (12" x 12") in the plane of the conduits, and no less
than six inches (6") deep.
e. Conduits shall be similar to conduits from Beit el Handasa & Décor cut or any equally
approved.
f. Use 20mm conduit for two cables, 25mm pipe for 4 cables and 32mm pipe for 6 cables.

2. Workstation

a. Each group of neighbor outlets shall be provided with a minimum of a single one 25mm
conduit which shall be home-run back to the serving communications equipment room or
stubbed up into an accessible ceiling area with a pathway to the serving equipment room.
b. All conduits shall contain a suitable pull string or wire.
c. All conduit penetrations shall be appropriately fire stopped to comply with all fire and life
safety codes.
d. All conduit turns shall be sweeping turns (no “LBs”). Conduit runs shall contain no more
than the equivalent of two sweeping 90 degree turns with the installation of a suitably sized
pull box. Pull box size shall be dependent on the particular installation but shall be no less
than twelve-inches by twelve-inches (12" x 12") in the plane of the conduits, and no less
than six inches (6") deep. Location of all pull boxes shall be shown on drawings furnished
by the contractor.

3.6 LABELING

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A. General infrastructure labeling

1. Permanently label all terminal strips, junction boxes, pull points and conduit runs as per telephone
industry standards and specifications.
a. Labels: Shall be made using a mechanical label mark.
b. Permanent marker, ink pen, and/or pencil labels shall not be accepted. All labels shall be
permanent; no hanging/paper tags.
c. Equipment racks: Label equipment racks, naming the leftmost unit “Rack 1,” and
incrementally increasing the number by 1 as you move to the right.
d. Patch Panels: Label the patch panels - by row of 24 - in each rack
e. Faceplates: Phone/data outlet faceplates shall be labeled. The faceplate labels shall be
placed at the top of each faceplate, and shall consist of the official room number of the
wiring closet serving the outlet.
f. Faceplate numbers shall be assigned sequentially in a room, starting at the first outlet to the
left of the leftmost entrance with “1”, and increasing the count incrementally (by 1) in a
clockwise direction around the room.

B. Equipment room terminations

1. Data outlets
a. Each data jack shall be labeled. Labels shall be affixed to the patch panel at a point
adjacent to the jack being labeled.

2. Horizontal Distribution Cables

a. Each cable entering the telecom room shall be marked with the room number, outlet
number and jack position number that represents the location of the other end of the cable.

C. Work Stations

1. Data outlets
a. All work station data jacks shall be labeled. . Each data jack on the faceplate shall be
labeled with the Rack number, Patch Panel Row Number, and the Patch Panel Row
Position Number from which it is served.

D. Documentation (Data Cable Labels Only)

1. The contractor shall provide the project manager with both a printed and a software media copy of
a Microsoft Excel which documents the installation of data cable labels. The spreadsheet shall
contain, at a minimum, information on the labeling on each end of every data cable termination
installed in every equipment closet.

3.7 TESTS AND ACCEPTANCE PROCEDURES:

A. Data Cable

1. CATEGORY 6 cable, all category 6 cable shall be tested to ANSI/TIA/EIA 568 B.2, which
recognizes category 6. Contractor tests shall utilize a Category 6 compliant cable tester. Electronic
results for each UTP Category 6 four-pair cable will be submitted as part of the Contractor’s “As-
Built” project performance acceptance records. In addition to the above information, the
documentation will also include a pass/fail indication for the specified cable, the test date, the
serial number and software version of the scanner, and a copy of the calibration certificate for the

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scanner. Necessary applications for reading the results will be provided by the requirements-refer
to ANSI/TIA/EIA 568-B.2. This document can be found in the “TIA/EIA Telecommunications
Building Wiring Standards.”

B. MATV coaxial cable

1. Measure signal quality at all TV faceplate jacks.
2. Acceptance Criteria: The output image at any outlet shall be qualified.
3. Results from testing described above shall be submitted to Architect/Engineer for review and
approval prior to Final Acceptance.

C. All items must be complete as specified prior to final acceptance. It will be the responsibility of the
Contractor to ensure all cabling meets all specifications and standards defined herein.

END OF SECTION 16988

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SECTION 16988 - STRUCTURED CABLING

IP ACCESS CONTROL AND SECURITY MANAGEMENT SYSTEMS

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

- Drawings and general provisions of Contract, including General and special

Conditions and Division-1 (General requirements) will apply to the work of this
section.

1.2 DESCRIPTION OF WORK

A. Work includes providing all materials, equipment, accessories, services, hardware,

software, tests and operation and maintenance documentation necessary to complete
and make ready for operation, a complete IP based Access Control and Security
Management Systems for the project utility building and the university building in
accordance with Drawings and Specifications.

B. The Access Control and Security Management Systems shall be an IP based system
utilizing the project Local Area Network (LAN). The IP Access Control and Security
Management Systems shall be capable of monitoring, and controlling all access field
devices located at different areas. Installation shall comply with local code
requirements as applicable.

C. IP Access Control and Security Management Systems shall be designed to provide a

centralized location with the ability to monitor and control from secure location(s)
within a facility.

D. The system shall be user friendly, providing a monitoring station that allows for training
of non- technical personnel to effectively operate and administrate the system.
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E. Any cables distance restriction is the contractor responsibility.

F. The contractor has full responsibility for performing complete site survey before
bidding in order to confirm system compatibility with actual site conditions.

G. IP Access Control System should include complete integration with the following
security systems as indicated in the design drawings;

1. Fire Alarm and Detection System.

2. Closed Circuit Television System (CCTV).

1.3 QUALITY ASSURANCE

A. Manufacturer's Qualifications: Firms regularly engaged in the manufacturer of IP

Access Control and Security Management Systems of types, data required, whose
products have been in satisfactory use in similar service for not less than TEN years.

B. Standard Compliance: provide IP Access Control and Security Management Systems’

equipment which Comply with requirements of applicable codes & standards as listed
below:

1. BS EN 50131 Alarm and Intrusion systems.

2. BS EN 50132 CCTV surveillance systems for use in security applications

3. BS EN 50133 Access control systems for use in security applications

4. BS EN 1711 Building Hardware.

5. BS 4737 Intruder Alarm Systems in Buildings.

6. BS 6360 – Specification for conductors in insulated cables and conductors.

7. BS 7671 - The 16th Edition of the Institute of Electrical Engineers (IEE)

Regulations.

8. ISO/IEC 7816.

9. ISO/IEC 14443.
10. ISO 15693.

11. National Electrical Safety Code, current edition.

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12. National Fire Protection Association National Fire Codes, current edition.

13. NACOSS/NCP 30 - The National Approved Council for Security System.

14. EIA/TIA–568 Commercial Building Telecommunications Wiring Standard.

15. EIA/TIA–569 Commercial Building Standard for Telecommunications

Pathways and Spaces.

16. EIA/TIA–606 Administrative Standards for the Telecommunications

Infrastructure of Commercial Buildings.

17. IEEE, 802.3 digital data network standard.

C. When more than one code / regulation are applicable, the most stringent shall apply.

D. Service: Manufacturer / Supplier must have a warehouse in Egypt at which spare

parts are stocked and where a field service engineer who is a permanent, full-time
employee of the Manufacturer / supplier, factory trained and qualified individual
whose primary duty is field service resides.

1.4 SUBMITTALS

Provide technical submittal for the phase prior to commencement of installation and
training, which is to include but not limited to the following;

A. Detailed breakdown Bill of material indicating the model numbers and quantities for
all of the proposed equipment in addition to fulfilled tender BOQ match the latest
project design drawings and riser diagrams.
All quantities and items listed in the detailed breakdown BOQ should cover all
required features, functions and operation of security systems mentioned in the tender
documents, any missing items are the contractor responsibility.

B. Product Data: Submit manufacturer's complete, detailed, and original technical

datasheets for the manufacturer and marked up for all of the proposed equipment. The
contractor should highlight the technical evidences in submitted datasheets for all
complied items in the specification. Moreover, the contractor should mention the
specification items for the highlighted evidences.

A. Submit a detailed point by point compliance statement with this specification. For each
item, the statement shall clearly indicate Full / Partial / Non compliance with the related
specifications item, for instructions in this document the supplier must indicate
Understood / Not. In case of partial compliance the supplier shall clearly indicates the
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deviation of the required specifications and the effect of that deviation on the whole
system. In case of non compliance the supplier shall propose an alternative(s) and
clearly indicate the difference with the original requirement. If clear compliance
indication is not provided it shall be assumed that the proposed system does not
comply with the requirement in the specification. The contractor should refer in the
same list to the technical evidences corresponding to all compliance statements.

B. Submit detail technical description for the Access Control system including but not
limited to the followings,

1. System description showing system features and functions.

2. System equipment representing the function of each unit.

3. System software(s) and licenses needed for proper operation as specified.

4. Complete system description for video analytical analysis, features and

functions should be submitted.

5. System interfaces and protocols.

C. Submit dedicated and detailed section for Security Management System (SMS)
demonstrating all system functions, features, protocols, and integration capabilities
with any third party.

D. The contractor has full responsibility for providing complete opened protocols system
to be integrated with any third party in the future.

E. Submit detailed layout design drawings for the project security rooms indicating the
locations and sizes of all system equipment (needed to achieve project specification)
including but not limited to the followings;

1. System racks.

2. System panels.

3. System workstations complete with card encoders, card printers, digital

cameras, card readers, etc.

4. Cable trunk routing.

5. Earthing System.

6. Data and power outlets locations.

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7. All MEP requirements.

F. Submit detailed drawings for system racks and panels configurations showing the
arrangement of all system equipment inside with size.

G. Submit detailed single line diagrams indicating all system equipment (with part
numbers), interconnection between these components, interface with all other systems
and the types of cables needed, complying with the multimedia network single line
diagram.

H. Contractor should perform comprehensive site survey and coordinate with other
trades (e.g. electric) and submit complete installation details and method of
statements for all types of cameras.

I. Submit dimensional layout shop drawings on architectural background drawings

indicating all proposed system equipment, part numbers, cables, raceways, etc.

J. Submit Manufacturer guarantee for providing new free of charge system software
release up to TEN years after the completion of the project in addition to the warranty
period specified elsewhere. Systems that are factory programmed are unacceptable.

K. The supplier and his vendor(s) should present a commitment that a complete support
should be provided to the supplier during and after the project implementation.

L. Submit list of manufacturer recommended spare parts enough for two year of system
operation.

M. Submit complete reference list of the proposed products for similar projects in Egypt
indicating works description, dates and places.

N. Submit product support statement for all proposed software and hardware for at least
TEN years of system operation date. Submit manufacturer warranty policy document.

O. Submit the list of country of origin for all the proposed items, and list of all OEM
(Original Equipment Manufacturer) programs with their partners.

P. The contractor should submit complete technical material transmittal arranged into
sections with page numbers including all required materials.

1.5 MATERIALS
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A. The specified system components are to provide completely operational Access

Control and Security Management Systems. The following list of main items of the
installation shall not be considered to be all inclusive;

1. Security management Servers.

2. Security Management Workstations.

3. Access Control Servers.

4. Access Control Workstations.

5. Access Control Panels.

6. Input / Output modules.

7. ID Badging and Card Printer.

8. Proximity Contactless smart Card Readers.

9. Read/Write Smart Cards.

10. Request to Exit Devices.

11. Emergency Break Glass Units.

12. Electromagnetic Door Locks.

13. Magnetic Door Contact.

14. Alarm relays.

15. Miscellaneous cable, wire, associated connectors, and hardware

16. Power supplies.

B. Complete Integrated Security Management System (SMS).

C. All outdoor components should operate on a high temperature up to 50°C.

D. All materials and equipment shall be standard and regularly manufactured equipment.

E. All systems and components shall be thoroughly tested and proven in actual field use.
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F. All system main control components shall be from one manufacturer.

1.6 SYSTEM DESCRIPTION

The Access Control System (ACS) specified shall be fully integrated and installed as
a complete package.

A. Access Control System shall provide but not limited to the following functions;

1. Door Control.

2. Car Barrier Control.

3. Alarm Monitoring.

4. Alarm/Facility Graphics Display.

5. Multiple Language Operation.

6. Multiple Tenant Operation.

7. Access Initiated and Event Initiated Control.

8. Database Reports.

9. Maps Displaying Alarm Points.

10. Time Scheduled Events.

11. Windows Based, Mouse oriented operations.

12. Processing of Access Control for remote locations via LAN/WAN

connections.

13. External data interface to import initial cardholder database.

14. Ability to Export cardholder data.

15. Ability to Export transactions, alarms, messages.

16. Support for IEEE 802.3, 10/100 Base-T-Autosensing.

17. Support for TCP/IP protocol.

B. The Access Control System shall be integrated with;

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1. Fire Alarm and Detection System to unlock all of the Egress Doors in case of
fire.

2. IP CCTV System to track pre-determined locations to view intrusions.

3. Car Barrier System to open the gate barrier to the allowed vehicles.

C. A number of Card readers, Request to Exit switches, Door Monitoring switches and
Door Locks are connected to each Access Control Panel. All Access Control Panels
are reporting all transactions back to related Access Control System workstation(s)
located in university building(s) security room(s) and centralized security room
located in the university utility building via TCP/IP LAN. A centralized Access
Control Server shall be located in the centralized security room. The centralized
Server shall communicate with all system workstations via the same TCP/IP LAN.

D. All Access Control Panels should be configured through System Servers or any
workstation via the same TCP/IP LAN. The operator workstations shall be used to
control and monitor the System equipment.

E. The ACS shall be capable of monitoring, recording, and displaying card access
activity and supervised alarm inputs/outputs on a continuous, real time basis. Each
installation shall comply with local code requirements as applicable.

F. The ACS shall be capable of providing access control and alarm monitoring
capabilities for the project areas. The system shall be user friendly, providing a user
interface that allows for training of non-technical personnel to effectively operate and
administer the system.

G. SYSTEM CAPACITIES

1. Total number of Servers: 1 Server.

2. Total number of Workstations: Up to 40.

3. Support for up to 1,000 readers using contactless smart, Proximity, Biometric
technologies.

4. Support for up to 1,000 unique ID records.

5. Support alarm monitoring of up to 1,000 supervised digital input points.

6. Support for up to 1,000 output control points.

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7. Support for 10,000 on-line transaction history records with ability to archive
history limited only to hard disk space.

8. Support for up to 100 system passwords.

9. System expansion capability: Minimum 100% over specified requirements.

1.7 EQUIPMENT WARRANTY

A. Guarantee equipment furnished under these specifications against defective parts and
workmanship under terms of the manufacturer's and dealer's standard warranties for a
period of not less than one year from date of initial start-up and Owner acceptance of
the system and include labor and travel time for necessary repairs at the job site.

B. Provide maintenance of the system during the warranty period with the following
minimum provisions;

1. Notify project owner's representative prior to performing any maintenance

work.

2. The designated representative to monitor and report on equipment performance

and service history, and to be a liaison with the project owner.

3. Conditions: The warranty shall cover any defects in materials and

workmanship including installation and programming which shall be found
during the term. This shall include any deficiencies in installation standards or
the specifications.

4. Response: The contractor shall respond to calls for warranty service within
eight working hours. Emergency service shall be obtainable within four hours
of notification by the Owner. Emergency service shall be obtainable on a 24
hours basis, seven days per week.

C. Extended service agreement

Provide a renewable annual maintenance agreement. The agreement shall provide for
periodic inspections and maintenance of repair items. The agreement shall at a
minimum provide for all of the terms and conditions of the warranty.

1.8 SYSTEM SUPPORT

System support: Provide a guarantee of system support for a minimum period of TEN
years after final completion, including provision for technical support, hardware, and
spare parts. Demonstrate that the manufacturer’s previous systems have not been made
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obsolete and that the manufacturer is committed to total and complete backward
compatibility.

1.9 OPERATION AND MAINTENANCE DATA

The contractor shall deliver three composite “Systems Operation and Maintenance”
manuals in three-ring binder form or bound hand book form, sized to hold the
material below. Each manual shall contain, but not be limited to;

A. A Statement of Guarantee including date of termination and the name and phone
number of the person to be called in the event of equipment failure.

B. A set of operational procedures for the overall system that includes all required
customer activities that allow for customer operation of all system capabilities. This
procedure shall fully address all customer- established system operating objectives.

C. Individual factory-issued manuals, containing all technical information on each piece

of equipment installed. In the event such manuals cannot be obtained from a
manufacturer, it shall be the responsibility of the contractor to compile and include
them. Advertising brochures or operational instructions shall not be used in lieu of the
required technical manuals and information. All manuals shall be printed to ensure
their permanence. No “blue line” type of reproduction is acceptable.

D. The sets of manuals should include the following;

1. Updated functional specification.

2. Specification sheets and technical brochures on all equipment.

3. Fault finding literature.

4. Listings and description of application programs.

5. Programmer's manual.
6. Operator's manual.

7. Drawings.

8. Commissioning data.

1.10 TRAINING

The contractor shall supply personnel to train key customer personnel in the operation
and maintenance of the installed system. The training program shall be designed to
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provide a comprehensive understanding and basic level of competence with the

system. It shall be sufficiently detailed to allow customer personnel to operate the
system independent of any outside assistance.

On-line context-sensitive HELP screens shall be incorporated into the system to

further facilitate training and operation.

The training plan shall include detailed session outlines and related reference
materials. The customer personnel shall be able to utilize these materials in the
subsequent training of their co-workers.
Training time shall not be less than a total of 48 hours, and shall consist of;

A. 24 hours during normal day shift periods for system operators. Specific schedules
shall be established at the convenience of the customer.

B. 24 hours of system training shall be provided to customer supervisory personnel so

that they are familiar with system operation.

C. The specified training schedule shall be coordinated with the customer and will
follow the training outline submitted by the contractor as part of the submittal
process.

1.11 EXTRA MATERIALS

Based upon the contractor’s and the manufacturer’s experience with the equipment’s
performance history, the contractor shall submit a final spare parts list for all functions
for this system. This list shall be based upon a philosophy of maintaining a central system
operation with a simple remove/replace capability. The final spares list shall be
developed as a result of a joint customer/contractor review of the recommended list
during the installation phase. Submit this final recommended spare parts list for approval
prior to system completion, so that spares are available upon activation.

PART 2 - PRODUCTS

2.1 ACCEPTABLE MANUFACTURERS

Approved Manufacturers: Refer to approved vendor list

2.2 GENERAL

D. System administration shall be available from any workstation in the system via
facility LAN or WAN network. The system specifically must have the capability to
support not less than 4 workstations connected on the network at the same time. The
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Access Control System shall allow all connected workstations to function in a true
multi-user, multi-tasking environment.

E. The system architecture shall be capable of supporting single sites and/or campuses as
well as multiple sites located in different geographical locations.

F. The Operating System shall be based on a Microsoft operating system and / or Linux.

G. The system shall be capable of modular expansion without software upgrades or

wiring revisions.

H. The system shall provide maximum operational simplicity to enable quick and
effective use in an emergency.

I. The contractor has full responsibility to provide and install all power supplies
necessary for correct operation to the Access Control System. The Contractor will
liaise with the Client’s MEP team to ensure that the power source provided for the
entire system is the same, single phase at 220V/50Hz,

J. Backup power shall be provided for the IP Access Control Equipment installed in the
university centralized and buildings’ security rooms.

K. All equipment and materials used will be standard, regularly manufactured and
regularly utilized in the manufacturer’s system. All materials will have been
thoroughly tested and proven in actual use.

L. Accessibility through secure areas should be via Card Readers or push button
mounted on the secure side of the door, this button should be clearly labeled “Press to
Exit”.

M. The System shall incorporate facilities for forced door entry alarm signals.

N. All security management and archiving servers should have level of redundancy to
allow redirection of data when a disk fails and provide managed shutdown function
when UPS system batteries indicate less 20 minutes battery life is left.

2.3 ACCESS CONTROL SERVERS

2.3.1 HARDWARE

The Access Control System Servers should be rack-mounted and to be installed in

centralized security room; The Server Hardware shall be as per the system manufacturer
recommendations for proper system operation, however, the contractor to ensure the
following minimum hardware requirements,
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Processor Intel® Xeon® E5-2430 2.20GHz, 15M Cache.

Memory 4GB UDIMM, 1333MHz, LV, Dual Bank x 8
Storage 500 GB, 7.2K RPM SATA
Video Card Intel HD Integrated Graphics (VGA, HDMI)
Optical Drive DVD +/- RW
Network 2 x 10/100/1000 NIC

2.3.2 SYSTEM SOFTWARE

A. The Contractor shall provide all software required for efficient operation of all the
automatic system functions required by this specification. Software shall be modular
in design for flexibility in expansion or revision of the system. It is the intent of this
specification to require provisions of a system that can be fully utilized by individuals
with no, or limited, previous exposure to PC's and programming techniques and
languages. If the system to be provided requires the use of any modified BASIC, C,
PASCAL, or DRUM language program, or writing "line" programming statements to
modify operation or strategy in the system; the vendor shall provide unlimited, no
charge, software modification and support for a period of five years after the
completion of the project in addition to the warranty period specified elsewhere.
Systems that are factory programmed are unacceptable.

B. The software shall include a general purpose operating system, as well as ACS
application software. All available vendor workstation application software shall be
provided with the system, and shall reside in each and every PC. Unbundled software
packages where the vendor can charge the user extra fees, or require dedicated
workstations, or require system rebooting for access are unacceptable.

C. The software in the system shall consist of both "firmware" resident in the controllers
and "software" resident in the operator workstations. The architecture of the system
and the application software/firmware shall be distributed with no single-system
component responsible for a control function for the entire LAN. Each controller
resident on the LAN shall contain the necessary firmware and I/O capability to
function independently in case of a network failure. No active control sequences shall
be resident in the PC workstations. All workstations shall be removable from the
system without loss of control function. Alarm monitoring as well as Access Control
transactions should be buffered at controllers, for future collections when the
workstation is reconnected to the System.

D. The primary operator interface to the system shall be through a graphical, “object
oriented”, interactive presentation, using a mouse and cursor for object selection and
commands.
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E. The system software shall support "pop-up" windows for point commands. On
selecting an object with the cursor, a window shall open up to present the operator
with choices corresponding to the operator's password authorizations. These point
commands shall include state changes, manual override of application software and
test mode activation. This window shall include, for reference, the point's descriptor
(name), the point's hardware address, and alarm status.

F. The system software shall support "pop-up" windows for point editing. On selecting
an object with the cursor, a window shall open up to present the operator with a list of
active point database editors, if permitted by the operator’s password level. Selecting
one of these editors shall allow the operator to modify the basic parameters associated
with a point, as well as access any programs assigned to the point (such as time
schedules, events, etc.).

G. The system software shall be based upon interactive prompts and choices using
"dialog boxes," as opposed to memorization of commands, "syntax", exact spellings,
etc. This interactive prompt and choices approach shall be used in monitoring, issuing
commands, and editing. Command choices shall be as simple as "clicking" the cursor
over the correct word choice prompts (i.e., SECURE, UNLOCK), without having to
type in the letters.

H. The system software shall support a “zoom” function. It shall be possible for an
operator to locate any system point to monitor status, issue commands, or edit
associated database without knowledge of the point's name, address, or associated
controller, and without having to refer to a "tree" directory; e.g. the operator shall be
able to zoom in on a building in a campus graphic, zoom in on a floor in a building
graphic, zoom in on a door in a floor plan graphic, etc.

I. The system software shall be compiled for a faster execution speed and shall offer all
of the following features and capabilities;

1. Input / Output Capabilities: From any local PC workstation or any remotely

connected PC workstation, the system operator shall have the capabilities
through the keyboard/mouse to request dynamic displays of current values or
status using a tabular or graphic format. A global database sort utility shall
allow an expanded tabular display of only the points on the current graphic
display. This expanded tabular display shall list point name, hardware address,
alarm status, override status, and test mode status.

2. Obtain a summary of all access control doors with status (under access control,
access control disabled, or access control ignored) and allow issuing
commands to the access control doors to manually force the door to one of the
above states, or provide a momentary release (act as a valid key/card access),
or return to automatic control (remove manual state).
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3. Add, delete, or change points within each Controller or application routine

while on-line.

4. Change point I/O descriptors, status, and alarm descriptors while the system is
on-line.

5. Add new Controllers to the system while the system is on-line.

6. Develop, modify, delete or display full range of color graphic displays

providing dynamic, animated displays. All development, editing and display
work shall be capable of being performed with the system fully on-line and in
full communication with the Controllers.

2.3.3 DATABASE CREATION AND SUPPORT

The intent of this specification is to provide an ACS system that will allow the
operator to independently perform his own modifications to the system from any
operator workstation. All changes shall be carried out while utilizing standard
procedures, and must be capable of being done while the system is on-line and
operational. The Access Control Panel on the LAN shall automatically check a PC
workstation's database files upon connection to verify a current database match. A
utility shall inform the operator if the Access Control Panel’s database files do not
match the backup files stored on the PC workstation, along with the date of the last
Access Control Panel modification and date of the last backup. The operator must
have, as a minimum, the on-line capability to;

1. Add and delete points.

2. Modify any point parameter.

3. Determine which PC workstation(s) will receive alarms, messages &

transactions on a point by point / door by door basis.

4. Add, modify, or delete alarm limits.

5. Obtain an "audit trail" of which application programs are controlling an

individual point, on a point by point basis.

6. Create and/or modify override parameters.

7. Add, modify, and delete any applications program.

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8. The database shall be an open format or provide a means to export data for use
in other third party programs.

2.3.4 DOOR PARAMETERS

Provide a door parameters editor which shall include the following options;

1. Reader technology selected.

2. If the reader is used for “exit” (pushbutton exit being the default), and if so,
whether the exit reader is used for continuous egress or is linked to the Mode
Schedule of an “entry” reader.
3. The minimum time (in seconds) allowed between successive “reads

4. Whether anti-pass back (APB) is implemented or not.

5. What the entry zone number is (APB).

6. What the exit zone number is (APB).

7. Whether the door sense switch is used, and if so whether it is a normally open
(NO) or normally closed (NC) contact.

8. Whether the Request to Exit is used, and if so whether it is a normally open

(NO) or normally closed (NC) contact.

9. Whether a shunt function is used.

10. Whether the door locking device (e.g., an electric strike) is used, and if so,
whether it is activated for entry requests, exit requests, or both.

11. How long the locking device will be unlocked after an authorized read or
Request to Exit push-button operation. The unlock interval shall adjustable
from 1 to 255 seconds.

12. “Door Prop” alarm timer setting. This setting shall ignore the door monitor
switch input for alarming during the timer interval. The timer shall be
adjustable (operator selectable) from 1 to 1,800 seconds.

2.3.5 SYSTEM PASSWORDS

To limit control by the system operators, the ACS shall support system passwords at
the Workstation level. The Workstation passwords shall limit user access and
privileges to provide system level security. A password shall be required to “log on”
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to the system. The ACS Workstation shall support up to 100 passwords. It shall be
possible to enable or disable each and every individual function of the ACS on a
password by password basis using a simple point and click operation. Each password
shall allow a 30-character operator name, a 10-character alpha numeric password.

2.3.6 SYSTEM RESPONSE TIMES

Maximum response times;

1. Change of State: Time for a change of state or value of a field point to register
an alarm or update at the workstation: 3-5 seconds.

2. Manual Command: Time for a manual command from the workstation to

override a field device: 3 seconds.

3. Graphics Display: Time to display a full graphic with current parameter

values: 8 seconds.

4. System Logs: Time to display a system log or report: 8 seconds.

5. Global Data Transfer: Time for data to travel between standalone controllers: 3
seconds.

6. Local Control Event: Time for standalone controller to initiate an output action
after a change of input: 2 seconds.

2.3.7 ALARM /MESSAGES/EVENT SIGNALLING

A. ALARMS

1. The ACS shall provide alarm summary screens. The alarms summary screens
shall display points that are, or have been, in alarm and provide three status
indicators of the alarms in the form of selectable status colors. The status
colors shall indicate the following:
a. Alarm – The point is currently in alarm, and the alarm has not yet been
acknowledged.
b. Alarm Acknowledged – The point is currently in alarm, and has already been
acknowledged.
c. Return to normal – The point went into alarm, but has since returned to
normal without being acknowledged.

2. The summary screens will display the date/time that each alarm occurred, the
point address, the name assigned to the point, the current status of the point,
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and the system graphic page the point can be found on. The ACS shall provide
a means for storing all alarms, messages, and events for an indefinite period
and allow for quick retrieval at any time. The Alarms database shall be an open
format or provide a means to export the Alarms information for use in other
third party programs. The ACS shall maintain as, a minimum, the latest 128
alarms for quick review or display. In the event of an alarm condition
occurring, the ACS shall display a message on the operator workstation, print
on the printer, sound an audible alarm, optionally display the graphic page the
alarm point has been assigned, and optionally set off a visual annunciation (i.e.
flashing lights).

3. Alarm management shall provide:

a. Exception reporting.
b. Priority allocation.
c. Consequential alarm suppression.
d. Graphical representation of alarms.

4. The ACS shall have the following alarm processing features, all of which shall
be operator definable through the input keyboard;

a. Each off normal condition shall cause an alarm and an appropriate message,
including the time of the alarm, system and point descriptor, alarm condition.
The operator shall have the capability to select, at any time, which state/value
shall be considered alarms and which alarms shall cause automatic dial-out to
occur.

b. Each critical alarm or change-of-state message shall be displayed. All LAN

network alarm messages shall be stored on disk and may be reviewed on the
Work Station Monitor and/or printed on operator selected printers at any time.
It shall be possible to sort this alarm/change-of-state database by date, time
and/or item fields.

c. An Alarm Summary shall show all new alarms, while indicating which
graphic page would be the most suitable to select, in order to act upon the
alarm condition. Each alarm shall have “prioritized” listing and all alarms
shall be displayed with the highest priority first, then in reverse chronological
order while still following the prioritization mechanism.

d. Provide an automatic page selection option for alarms. This feature (operator
activated) automatically selects and displays the designated “best” graphic
page for each alarm, even when the operator is signed off. In the event of
multiple alarms, the page associated with the most recent highest priority
alarm is displayed.
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e. Automatic user defined time delay of alarms during equipment start-up or

shutdown shall be provided to prevent nuisance and false alarms.

f. The operator shall have the capability to route specific alarms to specific
workstations.
g. Unacknowledged alarms will continue to blink even if they have "returned to
normal". Only operator acknowledgment can remove the blinking alarm
indication. Red will signify points in alarm while green will signify points in
normal condition.

h. Each operator workstation will have the ability to notify an operator of an

alarm condition in one or more points or controllers anywhere in the system.
Alarm notification shall consist of:

i. Automatic print of the alarm condition as described above.

j. Display of an icon indicating an alarm condition, including while in a third

party program.

k. Operator selectable audible alarm indication. The audible alarm may sound
once, constant or not at all, at operator's option.

l. Automatic alarm/message redirection of unattended workstations connected

on a WAN.

B. EVENTS

1. The ACS software shall have the ability to automatically initiate commands,
user-defined messages, take specific control actions, or change control strategy
and application programs as a result of an event condition.

2. An event condition may be a change-of-state, a specified state, or alarm

occurrence, a return to normal. Events shall not be limited to alarm
occurrences only but shall also include time, dates, as specified system results.
All event assignments or modifications shall be operator defined through the
input keyboard.

C. MESSAGES

1. The system shall be capable of automatically displaying or printing a user-

defined message subsequent to the occurrence of selected events. Events shall
not be limited to alarm occurrences. The operator shall be able to:
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a. Compose, change, or delete any message.

b. Display or log any message at any time.

c. Assign any message to any event

2. The Message database shall be an open format or provide a means to export

the messages information for use in other third party programs.

2.3.8 TRANSACTIONS

A. Transactions Summary: Provide password protected access to historical files

containing Access Control related transactions. The Transactions Summaries shall be
based upon user defined “filters” to the Access Control database. The filters shall
operate over user defined time ranges for time and date, using a two entry (earliest ,
latest) selection for both time and date to support multiple days, each with a time
slice, versus a continuous duration between two days.

B. The operator shall be able to establish an unlimited quantity of custom “filters”, on-
line. In addition to providing an “all transactions” filter, provide an operator definable
custom filter template with the following entries;

1. Tenant - Provide two Tenant numbers which define the low and high end of a
range of Tenants

2. Key/Card - Provide two ID numbers which define the low and high end of a
range of ID

3. Records Display type: Permanent/Temporary/Both as defined in the

Individuals Editor

4. Device Name: 16 characters Door name

5. Group Name

6. Last Name

7. First Name
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8. Transaction Selection: Operator shall be able to select from any or all of the
following: Reader entry, Reader exit, Denied–schedule, Denied-tenant,
Denied-Issue, Denied-selection

C. Provide a print utility for the transactions summary, which includes the following
statistics:

1. Reader entries for selected readers

2. Reader exits for selected readers

3. Reader denials (based upon Tenant, issue, selection, schedule, or APB)

D. Provide a Roll Call Report that shall produce a list of all entries without a
corresponding exit. This report shall prompt for the earliest date and the earliest time,
with a default of “today”.

2.3.9 PERSONNEL DATABASE

A. Provide a personnel database that shall reside in the PC workstation, and have access
control functions downloaded to the Controller for remote, standalone operation.
Where the system consists of multiple PCs on a Commercial LAN, changes to the
Personnel Database in one PC workstation shall be equalized among all ACS
workstations, automatically.

B. All changes shall be done utilizing standard procedures and must be capable of being
done while the system is on-line and operational. The operator must have (as a
minimum) the on-line capability to:

1. Add, delete, modify and copy new ID devices (keys, cards, etc.) and link these
to the Personnel Database.

2. Assign information to the Personnel Database including the ID #, Last Name,

First name and Group Name. The user shall be able to define the Field Name
for the user defined fields and field database entries of 16 alphanumeric
characters. In a multi-tenant system, individual authorized tenants shall be able
to assign different field names to their respective Personnel Databases.

3. Assign status to a card, which may be permanent (not a visitor), temporary (a

visitor), or disabled (entered into the database, but not enabled). For cards
designated as temporary, allow the operator to pre-determine the activation
schedule based upon the following entries:
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a. Start date (MM/DD/YY).

b. Start time (HH:MM).
c. End date (MM/DD/YY).
d. End time (HH:MM).

C. Provide a means for the user to define the content and order of data presented in the
Personnel Database editor specifically, provide the ability to set the sort order on any
field and filter and sort the data within any field. The following options shall be
available to the operator:

1. Permanent records - include/exclude

2. Temporary records - include/exclude

3. Disabled records - include/exclude

4. Display Order - allows the operator to select from key/card #, Last name, First
name, or Group. For

5. Key/card range - Displays only ID #’s between the low and high values
entered.

D. Provide a means to assign doors to designated tenants. Assign individuals to doors

associated with the tenant that the individual is a part of.

E. Provide a means to assign Schedules to doors, that determine when the door is under
access control, when the door is unlocked, and when the door is locked (even against
authorized access control devices). Also, an Anti-Pass back reset trigger may be
assigned to the door schedule to cancel and purge anti-pass back “flags” set
previously (i.e. the previous day).

F. Provide a means to assign Personnel Schedules to doors, that determine when (date
and time) authorized personnel are permitted access to designated doors. Each
personnel schedule shall support seven access intervals, each with a start and stop
time (time slice). Provide a seven day week plus seven “special” days and two
temporary days for each personnel schedule. Provide the ability to assign up to 31
personnel schedules per door.

G. Provide a means to assign personnel to "Groups" which consist of a combination of

doors and associated personnel schedules. The user shall be able to assign individuals
to groups to save keystrokes and manages organizational changes. Different tenants
shall be able to assign different groups to their respective access control databases.
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H. The database shall be an open format or provide a means to export data for use in
other third party programs.

2.3.10 REPORTS

A. Provide facility to extract data from archived files and generate custom reports.

B. Automatically generate reports through user or fixed time schedules, or on demand.

C. Provide facility to generate reports in a user-defined format.

D. Provide facility to export (as a whole or individually) the following data to be used in
common database software package:

1. Tenants.
2. Floors.
3. Doors.
4. Transactions.
5. Messages.
6. Passwords.
7. Individuals.
8. Groups.
9. Field Names.
10. Alarms (sorted by priority).

E. Prepared Historical Report: Provide an on-line, historical, database sort report utility,
with the following features:

F. Prompts to select database sort by time, by date, by point (or range of points) with
system supplied default values of 24 hours.

G. Prompts for activating conditional sorts, including: changes-of-state, alarms, returns

to normal, operator sign on/off, operator acknowledgments, command errors,
program control of a point, test on/off, manual on/off, program control override,
power restore, LAN reconfiguration, controller off-line, time/date modifications, and
archive disk memory 90% full, 95% full, and full.

H. Provide audit trail messages of operator edits of access control, specifically editing
the databases for individuals, groups, tenants, transactions, doors, personnel
schedules, and access initiated control. Also, include door prop alarms, forced door
alarms, and failure of the database to download to field controllers.

I. Single keystroke retrieval resulting in a report listing the most recent condition first,
along with the time, date, address, name, condition type, and value.
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2.4 ACCESS CONTROL WORKSTATION

2.4.1 WORKSTATION HARDWARE

Workstation shall be graphical user interface and installed at Security Control Center.
The Workstation Hardware shall be as per the system manufacturer requirements for
proper system operation, however, the contractor to ensure the following minimum
hardware requirements

CPU 2nd Generation, Intel Core i5, 3GHz, 6MB cache

Memory 8GB Dual Channel, DDR3
Storage HDD , 1TB
Video Card Intel HD Integrated Graphics (VGA, HDMI)
Screen 22" LED screen
Optical Drive DVD +/- RW
Network 10/100/1000 NIC

2.4.2 WORKSTATION SOFTWARE

A. Provide an on-site operator workstation to provide user friendly, operator interface

with the complete system.

B. If required, provide an off-site operator workstation to provide user friendly, operator

interface with the complete system. Provide all operator interface software and
commissioning.

C. GENERAL

The ACS shall allow all connected workstations to function in a true multi-user,
multi-tasking environment such that;

1. All terminals can access the same network at the same time.

2. All terminals can access and/or control the same control unit at the same time.

3. All terminals can access and/or modify the same control unit database at the
same time.

4. All terminals shall be able to archive data, alarms, access transactions, and
network actions to hard disk regardless of what application programs are being
currently executed (i.e., LAN operating system, spreadsheets, word
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processing, etc.). All archiving disk traffic shall be accomplished on-line

without affecting the operation of the current programs.

5. Latest revisions of all programs at time of practical completion.

6. Licensing of software at time of practical completion.

7. The software shall include support for fully integrated Security/Access

Control.

D. APPLICATION PACKAGE

The primary operator interface to the system shall be through a graphical, "object
oriented", interactive presentation using a mouse and cursor for object selection and
commands. Features;

1. Microsoft Windows OR Linux.

2. Input commands through keyboard or mouse.

3. Extensive context sensitive help facilities.

4. Incorporate password access to various levels of the system.

5. Time schedules including holidays.

6. Maintenance of a daily log.

7. Control programming using English/Arabic language.

8. Database management, Data Exporter/Reporter using 3rd party packages.

9. Alarm management.

10. Graphics.

11. Historical data file for all points.

12. User initiated logging and reports.

13. Support of multiple operator workstations.

14. Ability to integrate with CCTV, Public Address System or any other system
available within the facility.
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15. ODBC support.

16. Remote workstation: Provide facility so that data stored on an on-site

workstation may be downloaded to a remote workstation.

E. GRAPHICS

1. The system shall support an operator definable “default” system page. The
default system page shall be displayed upon system start-up, operator activity
time-outs, and when the system is not in use. This default system page may be
any one of the standard dynamic graphic pages, or may be a custom display
developed for this purpose. The operator shall be able to display their
corporate logo, emergency information, an index of all graphic pages, etc. as
the default system page.

2. Dynamic graphic programming

a. Shall be part of the ACS system, which is not to be considered as an add-

on feature.

b. The operator shall have the ability to construct "dynamic" graphics pages
for monitoring and system control. This graphics utility shall be usable
both for on-line control such as override and alarm acknowledgment, and
for display of system status and alarm activity.

2.5 ID BADGING AND CARD PRINTER

A. The ID Badging and Card Printer System shall be installed at Security Control
Center. The system shall be user friendly system for card production. The software
will feature a utility wizard to assist in data base creation or integration where
multiple levels / location of data, access and photographs reside. The system will be
designed for the building environment with enhanced security features to allow
controlling several levels of access. System Server is to store all card holder's
information and design elements.

B. The Card Printer / Encoder shall have the following specifications:

Dual Sided Printing Provided

Magnetic Stripe encoding
Encoding Smart Card encoding
125 KHz Prox Card encoding
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13.56 MHz read / write

Connections USB & Ethernet
Rewrite Technology Included
Print Speed 24 Seconds/Card – 150 Cards / hours
Color Capability Full Color & Monochrome

C. System shall include Digital, 10MP Camera, Design Software and PVC Card Printer.

2.6 ACCESS CONTROL PANEL

All points in the system shall be monitored and/or controlled through "intelligent"
Access Control Panels. Each control panel in the system shall contain its own
microprocessor and memory with a minimum 300 hours battery backup. Each control
unit shall be a completely independent stand-alone with its own hardware clock
calendar and all firmware and software to maintain complete control on an
independent basis. Access Control Panel generally shall;

A. Acquire, process, and transfer information to the PC operator workstations or other

control units on the network.

B. Allow access to both database and control functions by multiple workstations at the
same time.

C. Record, evaluate, and report the changes of state and/or value that occur among
points associated with the control panel. If any operator workstation or transmission
network fails, but the power to the control unit does not, the control unit shall
continue to perform all control functions associated with the points connected to that
control unit.

D. Control panel Upload/Download Capability: Each control panel shall be able to

download from or upload to any PC operator's workstation. All point data shall be
modifiable from any authorized PC operator's workstation and downloaded to the
control panel over the Control Panel LAN. This upload/download shall be readily
performed on a regular basis without interrupting the control functions in the control
panel. All upload/downloads shall be performed without the operator workstation
being taken "off-line. Additionally, all Control Panel upgrading shall be performed
via a download from any workstation on the system; i.e. it shall not be necessary to
replace e-proms to perform a system revision upgrade.

E. The system controllers must provide an integral time clock and have the capability to
synchronize time with operator workstation or other ACS panels at least weekly.

F. Portable operator's terminal (laptop PC and/or a hand held controlling device).

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G. Provide sufficient input/output modules to achieve the required control functions,

including the required spare points.

H. Modules: Removable without having to disconnect field cabling.

I. Zoning of different doors located in the campus and connected to different Access
Control Panels.

J. The panel shall be configured with IP address and gateway address in order to be
reachable through the LAN and WAN.

2.6.1 HARDWARE SPECIFICATIONS

A. Final quantities and types of Access Control Panels shall be determined by the
contractor based upon the requirement to provide a fully operational system, as per
the intent of the specification, as shown on the drawings and recommended by the
manufacturer. As a minimum, the following features shall be supported in each
Access Control Panel;

1. 24000 users per Door.

2. Support for 255 tenants.
3. Support for 4, 8, 16, etc supervised inputs.
4. Supports 4, 8, 16, etc Card Readers.
5. Standalone Access Control Logic.
6. Real Time Clock/Calendar.
7. Resident Day & Date Based Logic.
8. Central Control and Monitoring.
9. Zoned Anti-Pass back.
10. Multi-Tenant Support.
11. TCP/IP Communications (RJ45 interface).
12. On-Board battery charger.
13. One dedicated tamper input.

B. Supported reader’s technologies:

1. Magnetic Key & Card

2. ABA (Track 2)
3. Wiegand (26 & 32 bit)
4. Proximity
5. Biometrics

2.6.2 CONTROLLER OPERATION

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A. Distributed Access Control downloads all “local” access control parameters from the
Host PC to the Access Control Panels, so that it may operate in a standalone basis.
This ensures rapid access processing and minimal dependence on a single point of
failure.

B. As a standalone controller, the Access Control Panel provides access to up to 8 doors.

Support for a door monitor input, locking mechanism output, secondary alarm bypass
output, and a request to exit input is provided for each door. On each door a second
reader may be used for door exiting. When the door is controlled by two readers for
entrance and exit, anti-passback operation is available. As a distributed network
controller the Access Control Panel allows centralized alarm monitoring, historical
data collection, and zoned anti-passback.

2.6.3 ELECTRICAL SPECIFICATIONS

A. BUFFER: 1000 messages, nominal

A. RAM BATTERY BACKUP: On-board Ni-cad, rechargeable. Maintains RAM for 30

days.

B. CLOCK/CALENDAR: Crystal controlled, real time

C. BATTERY CHARGER: On-Board Battery Charger

D. POWER SUPPLY: 220Vac transformer (50/60 Hz ±10%).

E. POWER FAILURE NOTIFICATION: Standard, using internal detection logic.

F. CONTROLLER BATTERY BACKUP: maintenance free, rechargeable, 4 AH,

12Vdc for up of normal operation.

G. BATTERY STATUS: Battery level monitoring should be available for low battery
indication.

2.6.4 ENVIRONMENTAL SPECIFICATIONS

A. OPERATING TEMPERATURE: 0°C to 50°C

B. OPERATING HUMIDITY: 10% to 80% RH, non-condensing.

2.7 PROXIMITY CONTACTLESS SMART CARD READERS

A. The card reader shall read 13.56 MHz contactless smart card and 125 kHz proximity
card.
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B. The reader shall read the ID number of the card when presented to the surface of the
reader without physical contact.

C. When installed according to the manufacturer’s instructions, primary operation of the

reader shall be unidirectional; that is, having its greatest read range from the front
surface with the minimum reading range at its back surface.

D. The following reader styles shall be available and may be used interchangeably
throughout the system;

1. A unitized outdoor reader with a read antenna, and necessary electronics for
transmission of the card code to the system; all contained in a single package.

1. Read range shall be nominally 9 - 11 cm, from the rear surface when used with
a card. The reader may be mounted directly on any material including metal
without the use of standoffs, or concealed behind any building material except
metal.

2. The card shall be read when presented in any orientation or at any angle to the
front surface of the reader. An LED on the front surface of the reader shall
indicate to the user that the card presented to the reader has been read. An
audio beep tone to indicate that the card has been read shall be available.

3. The card reader shall communicate in Wigand and Mifare protocol interfaces,
and be compatible with all standard access control systems.

4. The card reader shall be made from a weatherproof material to meet the
outdoor installation.

5. Read head operating temperature ranges shall be:

a. Indoor: 0°C to +45°C.

b. Outdoor: 0°C to +50°C.
c. Operating humidity of 5-95% non-condensing.
d. Damage to the reader shall not damage any other part of the access control
system.

6. The reader shall be weather proof with Ingress Protection IP 65.

7. The card reader shall have a hold line that will buffer a card read until the
panel has asserted that the information can be sent up line.
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8. The card reader shall be listed under UL 294 as an access control system unit
accessory, and shall be FCC and DTI certified.

9. The card reader shall be made from polycarbonate material.

10. For certain locations (Water Tank, Security Control Center, ..), the reader will
be equipped with PIN Keypad.

2.8 READ/WRITE SMART CARDS

The features of access cards shall not be limited to the followings;

A. The contactless card shall be compatible with;

1. ISO/IEC 7816.
2. ISO/IEC 14443.
3. ISO 15693.

B. Card combines 13.56 MHz contactless read/write smart card and 125 kHz proximity
technology on a single card with the ability to add magnetic stripe, barcode, and other
features such as photo identification.

C. An ISO Standard PVC credit card size having a punched slot for a strap or clip.

D. The presence of small metal objects such as keys or coins near the card shall not alter
the code read by the reader or prevent the code form being read by the reader.

E. The individual card shall be derived from a population of at least 134 million unique
codes.

F. Cards shall be sequentially numbered. The user may specify codes or numbers. Exact
replacements for cards which may be lost, damaged, or stolen shall be available upon
request. Cards having the same number shall also be available upon request.

G. Cards may be used interchangeably and shall be compatible with all readers in the
system, regardless of the reader’s physical size or style, and without any code
matching or memory devices in the reader.

2.9 MAGNETIC DOOR CONTACT

1. UL Listed.

2. ¾” diameter recessed magnetic contacts with factory installed wire leads,

minimum 1 ft. long – 22AWG.
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3. Self-lock mounting.

4. Installation shall include the application of mounting compound for added

adhesive strength.

5. Where field conditions prohibit the use of a recessed magnetic contact, surface
mounted switch shall be used.

6. Operation: N.O. and N.C. Magnetic contacts.

2.10 REQUEST TO EXIT SWITCH

1. 1" diameter red colored, mushroom cap Push button.

2. Operation: Momentary N.O. and N.C. DPDT Circuits.

2.11 EMERGENCY BREAK GLASS

1. Switch contact rating: 1 Amp @ 125VAC.

2. Assembly mounts in 3 gang electrical box.

2.12 ELECTROMAGNETIC DOOR LOCK

All locking devices providing access are to be of the electromagnetic type to meet the
following requirements as outlined below;

1. Approved by the authority having jurisdiction, including local fire authorities.

2. UL listed.

3. Field adaptable for internal-swinging/external-swinging doors.

4. Provide a minimum holding force of 1200-1600 lb.

5. Provide with an integral door status switch and magnetic bond sensor.

2.13 POWER SUPPLIES

1. Power supply rated for the total load of the control station for all input and
output modules energized, without diversity.

2. Protection against power surges and over voltages.

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3. Battery backup to support panel memory for a minimum of 72 hours.

4. Spare fuses.

5. 24 volt AC/DC control circuits throughout.

A. High level interface(s)

Provide dedicated high level interface devices to directly connect the following
equipment to the LAN communication network so that such equipment becomes an
extension of the ACS.

All interfaces should be through software application interface. If hardware or

hardware accessories are needed, it should be clearly indicated with detailed
installation and specification requirements.

1. CCTV system.

2. Fire Alarm and detection system.

2.14 SYSTEM WIRING AND CABLES

All wiring for Access Control Panel communications shall be UTP CAT-6. All other
cables are to meet the following requirements as outlined below;

1. UL Listed.

2. NEC approved.

3. Plenum rated where required.

4. All cabling shall be shielded unless specified otherwise by a card access

manufacturer.

5. As a minimum, standard 18 AWG cable shall be installed unless in direct

conflict with manufacturers specifications.

6. All cabling used in the implementation of systems integration shall be in

accordance with the recommendations of the manufacturer.

2.15 SECURITY MANAGEMENT SYSTEM (SMS)

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A. Security management system shall be modular and network enabled architecture

providing integration between all security systems’ servers (alarm monitoring,
CCTV, Access Control, digital video, ID badging, etc) and database management into
a single platform. Moreover, the modular architecture allows for easy expansion or
modification of inputs and remote control stations. SMS shall provide integration to
any third party (i.e. open protocols).

B. SMS could include three components running on single or multiple computers

providing flexibility in network configuration,

1. Database Server used for storing the database tables.

2. Communication Server used for routing user interface request and to send
information to the database server.

3. User Interface which helps the SMS operators to communicate with the
integrated security systems servers.

A. All security systems will be integrated through SMS, also the operator will have
complete capability for monitoring and controlling all security systems’ components
through dedicated modules e.g.

1. Access Control Functions Module.

2. CCTV, Video Recorders and Monitoring Module.

3. Fire Alarm and Detection Module.

B. SMS shall include and not limited to the following features;

1. Multi-User/Network Capabilities.

2. Multiple Servers.

3. Multi-level Password Protection.

4. Concurrent workstations licensing.

5. Database Partitioning.

6. Multiple levels of data encryption.

7. Alarm Events.
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8. Live Video Display.

9. User Friendly Quick Start Wizard.

10. Levels of System Operation.

PART 3 – EXECUTION

3.1 TESTING AND COMMISSIONING

A. GENERAL

Provide a program for the testing and commissioning procedure. Use a qualified
representative of the ACS supplier to co-ordinate testing and present all tests and
training courses and remain on-site until the ACS is fully operational.

B. SITE TESTING AND COMMISSIONING

1. Testing and commissioning of all ACS panels separately before connecting to

the network.

2. Attendance at the testing of all equipment that interfaces to the ACS and
confirmation of the operation of such equipment from the ACS interface
terminals.

3. Testing of all field wiring from terminals to field interface terminal strips.

4. Testing and commissioning of all power supplies and batteries.

5. Verification of communication through remote systems.

6. Testing of the operation of each control point from the operator's workstation
and verification of the status of all points and alarm functions on graphic
displays.

C. DEMONSTRATE the following:

1. Globally transferred information such as alarms

2. Detection and action of all alarm conditions

3. Communications with PC workstations and ACS Server.

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4. Time schedules and after-hours operation

5. Mapping of system points to operator's workstation (s)

6. Operator's workstation software

7. Power fail re-start. And battery status

8. Essential power mode operation

9. Fire mode of operation

3.2 GROUNDING

Pay particular attention to the grounding of equipment cases and shielded cables to
eliminate noise interference and avoid electrical loops. Correctly terminate shields at
ground bars and connect to the IT Services dedicated grounding.

1. Insulate all incoming or outgoing shielded cables from control cabinet casings.

2. Provide suitable terminals, where grounding of cable shields is required.

3. Make provision of a through connection of cable shields for through connected

communications cables.