TABLE OF CONTENT

SECTION NO. SECTION NAME

BASIC ELECTRICAL MATERIALS AND
SECTION (26000) METHODS
SECTION (260526) GROUNDING AND BONDING

SECTION (260519) WIRES AND CABLES

SECTION (260513.16) MEDIUM VOLTAGE CABLE

SECTION (260533-262716) RACEWAYS, BOXES AND CABINETS

SECTION (260536) CABLE TRAYS

SECTION (262726-262816.16) WIRING DEVICES AND DISCONNECTORS

SECTION (260553) ELECTRICAL IDENTIFICATION

SECTION (263213.13) PACKAGED ENGINE GENERATOR

LOW VOLTAGE POWER FACTOR
SECTION (263533.16) CORRECTION EQUIPMENT
SECTION (261000) RING MAIN UNIT

SECTION (263623) AUTOMATIC TRANSFER SWITCHES

SECTION (262416) LOW VOLTAGE SWITCHBOARDS

SECTION (262500) ENCLOSED BUS ASSEMBLIES

SECTION (262213) DISTRIBUTION TRANSFORMER

SECTION (265100) LIGHTING

SECTION (265600) EXTERIOR LIGHTING

SECTION (264100) LIGHTNING PROTECTION SYSTEMS

SECTION NO. SECTION NAME

SECTION (284600) FIRE DETECTION AND ALARM SYSTEM

SECTION (281000) ACCESS CONTROL SYSTEM

SECTION (273000) TELEPHONE SYSTEM

SECTION (27100) DATA NETWORK

 SECTION (275116) PUBLIC ADDRESS SYSTEM

SECTION (282000) CLOSED CIRCUIT TELEVISION SYSTEM

MASTER ANTENNA TELEVISION SYSTEM
SECTION (280533) (MATV)
SECTION (280507.19) SOLAR CELL

LIST OF RECOMMENDED MANUFACTURERS

24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 26000- BASIC ELECTRICAL MATERIALS AND
METHODS

Section 26000 _ 1
24 OFFICE BLDG, EGYPT Electrical

Table of Contents
PART 1 GENERAL .......................................................................................................................... 4
.1.1 SCOPE ...................................................................................................................................... 4
1.1.1. Contract Provision: .............................................................................................................. 5
1.1.2. Training of Technical Personnel: ...................................................................................... 5
1.1.3. Related Works: .................................................................................................................... 5
1.1.4. Alternatives: ........................................................................................................................ 5
1.2. REFERENCES ............................................................................................................................ 6
1.2.1. International Standards: ..................................................................................................... 6
1.2.2. National Local Codes: ........................................................................................................ 7
1.2.3. Hazardous Area Classification: ............................................................................................ 7
1.2.4. Safety and Health Regulations: ............................................................................................... 7
1.3. COORDINATION ...................................................................................................................... 8
1.3.1. Supervision: ......................................................................................................................... 8
1.4. SUBMITTALS ............................................................................................................................ 9
1.4.1. Shop Drawings: ...................................................................................................................... 9
1.4.2. Working Drawings and Data: ............................................................................................ 10
1.4.3. Material s/Manu f acturer’s Da ta:................................................................................... 10
.1.4.4 Publication Compliance: ................................................................................................... 11
.1.4.5 Certified Test Reports: ...................................................................................................... 11
.1.4.6 Certificates of Compliance: ............................................................................................. 11
1.4.7. Samples: ............................................................................................................................ 11
1.4.8. Manuals:............................................................................................................................ 12
.1.4.9 Operation and Maintenance Manual: .............................................................................. 12
1.4.10. Closeout Submittals and Record Drawings: .............................................................. 13
1.5. QUALITY ASSURANCE ............................................................................................................ 14
.1.5.1 Factory Tests and Inspection: ........................................................................................... 14
1.5.2. Inspection of the Works: ................................................................................................... 14
1.5.3. Coordination Study: .......................................................................................................... 14
1.5.4. Standardization: ................................................................................................................ 15
1.5.5. Derating:............................................................................................................................ 15
1.5.6. Spare Capacity:................................................................................................................. 15
1.6. DELIVERY, STORAGE AND HANDLING ................................................................................... 15
1.6.1. Delivery: ............................................................................................................................ 15
1.6.2. Handling: ........................................................................................................................... 16
1.7. PROJECT CONDITIONS........................................................................................................... 16
1.7.1. Environmental Requirements: ......................................................................................... 16
1.7.2. Underground Service: ..................................................................................................... 17
1.7.3. Electric Utility Service: ...................................................................................................... 17
1.8. WARRANTY............................................................................................................................ 17
PART 2 PRODUCTS ..................................................................................................................... 18
2.1. MATERIALS ............................................................................................................................ 18
2.1.1. Standard Products: .......................................................................................................... 18
2.1.2. Prohibited Materials: ...................................................................................................... 18
2.1.3. Equipment Enclosures: .................................................................................................... 18
2.1.4. Factory Finishes: .............................................................................................................. 18
2.1.5. Ratings: ............................................................................................................................. 19
2.1.6. Nameplates: ...................................................................................................................... 19
Section 26000 _ 2
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2.1.7. Common Requirements For Packaged Equipment: ......................................................... 19

2.1.8. Deviations: ........................................................................................................................ 19
2.2. PERFORMANCE AND DESIGN REQUIREMENTS ..................................................................... 19
2.2.1. Suitability to Environment: ............................................................................................... 19
2.2.2. Design Criteria: ................................................................................................................. 19
2.3. ACCESSORIES ......................................................................................................................... 20
2.3.1. Nameplates: ...................................................................................................................... 20
2.3.2. Danger Signs:................................................................................................................... 20
2.4. FABRICATION......................................................................................................................... 20
2.4.1. Surface Preparation: ........................................................................................................ 20
2.4.2. Shop Painting: ................................................................................................................... 20
2.5. SELECTION OF EQUIPMENT SUPPLIER ................................................................................... 21
PART 3 EXECUTION ................................................................................................................. 22
3.1. WORKMANSHIP .................................................................................................................... 22
3.2. ACCEPTABLE INSTALLERS ...................................................................................................... 22
3.2.1. Regulations for Electrical Installations: .......................................................................... 22
3.3. PREPARATION ....................................................................................................................... 23
3.4. INSTALLATION ....................................................................................................................... 23
3.4.1. Setting of Equipment: ....................................................................................................... 23
3.4.2. Sealing of Equipment: ..................................................................................................... 23
3.4.3. Repair of Existing Works:................................................................................................ 23
3.4.4. Thermal Expansion: ........................................................................................................... 24
3.4.5. Use of Different Materials: ............................................................................................... 24
3.4.6. Ducts: ................................................................................................................................ 24
3.4.7. Wiring: ............................................................................................................................... 24
3.4.8. Wet, Damp, or Dry Location Work: ................................................................................... 24
.3.4.9 Manufacturer Installation Instructions: ............................................................................ 24
.3.4.10 Fire and Smoke Barrier Penetrations: ........................................................................... 24
.3.4.11 Field Painting:................................................................................................................ 25
3.5. CONSTRUCTION .................................................................................................................... 25
3.5.1. Sleeves and Forms: ........................................................................................................... 25
3.6. FIELD QUALITY CONTROL ...................................................................................................... 25
3.6.1. Field Service: ..................................................................................................................... 25
3.6.2. Field Tests: ........................................................................................................................ 25
3.7. PROTECTION ......................................................................................................................... 26
3.7.1. Care of Equipment: ........................................................................................................... 26

Section 26000 _ 3
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SECTION 26000- BASIC ELECTRICAL MATERIALS AND METHODS

PART 1 GENERAL

1.1. SCOPE
A. This section covers the furnishing of labor, materials and equipment
under other sections of this Contract; installation of all equipment, as
may be furnished by the Owner; and furnishing and installation of all
additional equipment and materials needed for the electrical
requirements of this Contract. The scope of work includes, but is not
limited to the following:

1. Switchboard and Panel boards

2. Interior Power and Lighting Systems
3. Exterior Lighting
4. Grounding and Bonding
5. All other Electrical and Auxiliary Works
6. Transformers and Distribution Equipment
7. Security Lighting System
8. All interconnecting wiring and cabling including cable glands, boxes,
conduits, cable trays, ladders, termination kits, etc.., underground
cable ducts and manholes, trenches, supports, steel poles,
foundations and associated miscellaneous civil engineering works
9. All necessary instruments for testing of switchgear, control gear
and auxiliaries for equipment, foundation bolts, fixings, locks, etc.,
any replacement fuses or devices required, used during the
Commissioning Period
10. Spares and Special Tools for Maintenance
11. The supply of Drawings, Operating and Maintenance Manuals and
other Documentation in accordance with this Specification
12. Erection, Testing and Commissioning of all relevant equipment
B. Work shall include furnishing all labor, materials, tools, equipment and
services to construct and install, test and commission the
complete electrical system as indicated on the drawings, specified
herein and subject to the requirements of the Conditions of Contract.
For any deviations from the contract drawings pertaining to the ratings
of electrical equipment, due to the use of codes and standards of the
country in which the equipment is manufactured, it shall be the
Section 26000 _ 4
24 OFFICE BLDG, EGYPT Electrical

responsibility of the Contractor to verify the precise requirements and

to provide and/or adjust to their correct settings or sizes, cables, circuit
breakers, starters, overload heaters, relays, instrument transformers,
etc., this shall be at no added extra cost to the Owner.

1.1.1. Contract Provision:

A. The Contractor will be required to make provision for the following
and his prices shall be deemed to include for any cost arising there
from:

1. Electrical utility and authorities up-to-date requirements,

recommendations and supervision fees.
2. Transportation of labor and materials to and from the Site of Works
3. Suitable accommodation for the storage of plant and materials
4. All lifting tackle and gear required for the necessary execution of the
Works
5. Workshop facilities for the drilling of brackets, lighting, welding and light
fabrication
6. Supply and installation of any component of work whether or not shown
on the drawings and/or described in the Specifications and/or Bill of
Quantities, but which can reasonably be inferred as necessary for proper
completion of the Work or for its approval and energization from the
electrical utilities and authorities.
The General and Special Provisions shall apply to all works under this
Section.

1.1.2. Training of Technical Personnel:

A. A rate shall be included in the Schedule of Prices to provide for
the training of selected members of the Owner‟s Technical Staff in the event
of this option being taken up.

1.1.3. Related Works:

A. This Section covers the requirements for the installation of electrical
equipment furnished under other sections of this Contract.

1.1.4. Alternatives:
A. Redesign of or part of electrical or mechanical work, which is
required due to the Contractor's use of an alternate item, arrangement

Section 26000 _ 5
24 OFFICE BLDG, EGYPT Electrical

of equipment and/or layout other than specified herein; shall be done

only by the Contractor at his own expense, if approved by the
Engineer. Redesign and detailed drawings shall be subject to
acceptance and approval of the Engineer. No additional compensation
will be provided for changes in the work, either his own or others,
caused by such redesign.

B. Alternate proposal shall only be permitted if equal to or better and

only if with considerable savings to the Owner than what is specified
herein and when deemed by the Owner as of absolute necessity.
Contractor may proceed only upon concurrence by the Engineer and
upon approval of all redesign details, which may have direct or
indirect impact on other

disciplines. No additional cost will be provided for changes in the work.

C. Redesign or altered drawings, reviewed by the Engineer, shall not
relieve the Contractor of any or all of his contractual obligations
and responsibilities with the Owner for proper and complete
installation and operation of all materials and equipment, including
related accessories as required or detailed on the Contract.

D. Although substitution in general is forbidden, proposed alternatives

may be submitted for approval. The Contractor shall provide
sufficient data to allow evaluation of proposed alternative and
determination of compliance with Contract documents. The
Contractor shall list any proposed deviation from these Contract
documents.

1.2. REFERENCES

1.2.1. International Standards:

A. The design, manufacture, installation practices and testing of the
materials, plant equipment and systems are to be supplied,
constructed and rated in accordance with the standards or
approved International Standard of design or manufacture unless
otherwise specified. In all cases, the latest issue of Publications,
Specifications, Standards and/or Codes of Practice shall apply.

Approved Standards include:

1. The Regulations for the Electrical Equipment of Buildings (IEE)

2. International Electrotechnical Commission (IEC)

Section 26000 _ 6
24 OFFICE BLDG, EGYPT Electrical

3. International Organization for Standardization (ISO)

4. Commission International de l'Eclairage (CIE)
5. Chartered Institute of Building Services Engineer (CIBSE)
BS (UK) CENELEC (EUR), VDE (Germany), and NEC (USA) shall be considered
with regards to all matters that are not covered by IEC recommendations
and ISO documents.

1.2.2. National Local Codes:

A. The Work shall also consider local Codes, Regulations and
Standards such as:

1. Egyptian Building Codes and Regulations

2. Requirements of the Egyptian Electricity Authority (EEA)
3. Egyptian Standard Specifications (ES)

1.2.3. Hazardous Area Classification:

A. The classification of hazardous areas and suitable electrical
equipment, materials and methods for this purpose is based on
recommendations and standards from the International
Electrotechnical Commission, IEC, CENELEC (Comité European de
Normalization Electrotechnique and VDE (Verband Deutschen
Elektrotechniker).

B. The use of IEC recommendations and accepted European practice and

philosophy is governed by the fact that all major production and
process equipment shall be manufactured in Europe.

C. The equipment for each classified area shall be certified for the
applicable zone or better.

D. The equipment used in the classified areas shall be approved, or

otherwise determined to be safe for use, by a recognized testing
laboratory such as one of the following:

PTB Germany
BASEFA England
E. Equipment and machinery shall be furnished with approval certificates
and be marked as specified by IEC 60079-VDE and CENELEC
standards.

1.2.4. Safety and Health Regulations:

Section 26000 _ 7
24 OFFICE BLDG, EGYPT Electrical

A. The requirements of the Egypt Industrial Safety and Health

Regulations and subsequent amendments are considered part of these
Contract Documents and shall be enforced during the installation and
operations of the Works. All applicable Local and/or International
Standards shall be deemed as minimum requirements under the
Industrial Safety and Health Regulations. Where higher standards are
required, they shall be complied with.

B. The Contractor shall be responsible for ensuring that all items of

electrical systems comply with the requirements of these Governing
Standards; that the manufacturers comply with all the necessary
instructions and that these instructions are included in the Operating
and Maintenance Instructions when submitted.

C. The Contractor shall be responsible for providing all electrical

equipment with the necessary, warnings signs and instructions. These
shall cover maintenance, working, operating and access or egress. All
electrical equipment rooms shall have a notice permanently secured
to all doors stating "No Admittance to Unauthorized Personnel". Where
the noise level is in excess of 80 dbA, there shall be installed a warning
notice on all doors in accordance with the Governing Standards for
reducing the exposure of noise to operating personnel.

D. All notices shall be permanently engraved with the text in both Arabic
and English.

1.3. COORDINATION
A. The drawings indicate the extent and general location and
arrangement of electrical equipment, conduit and wiring, poles,
manholes, trenches, etc.. All works shall be carefully laid out in
advance, coordinating electrical features with architectural, structural
and mechanical features of construction. Any conflicts which
occur necessitating departures from the drawings shall be submitted in
the form of details of departures and reasons therefore as soon as
practicable for written approval.

B. Where any of the electrical work may interfere with the work of other
trades, assist in working out space conditions to make a satisfactory
adjustment. If requested by the Engineer, the Contractor shall
prepare, scaled working drawings and sections, which clearly show
how the work is to be installed in relation to the work of other trades.

1.3.1. Supervision:
Section 26000 _ 8
24 OFFICE BLDG, EGYPT Electrical

A. The Contractor shall provide competent supervision on the site at all

times to layout, check, coordinate and supervise the installation of all
electrical work. Where required, vendors representative for
the equipment to also supervise the work at site where deemed
required by the Engineer. The Contractor shall plan the installation of
all electrical work, giving consideration to the work of other trades.

1.4. SUBMITTALS

1.4.1. Shop Drawings:

A. Unless otherwise permitted by the Engineer all shop drawings shall
be prepared on A0 at least scale 1:50 sheet and drawn to a suitable
metric scale for plans and layout. Shop drawings shall be submitted for
installations and layout of but not limited to the following:

1. Cables installation and routing

2. Conduit and trunking installation and routing
3. Receptacles (socket outlets) and light switches installation
4. Boxes and fitting installation
5. Lamps and luminaires installation and layout
6. Disconnect switches and circuit breakers installation
7. Motor starters and control equipment installation details and control
diagrams
8. Grounding (earthing) materials installation
9. Panel boards installation
10. Auxiliary and fire alarm systems equipment installation including
control diagrams
11. Lightning protection materials installation
12. All other detail drawings as shall be required by the Engineer
13. Schematic for main and sub-main distribution
B. The working drawings shall be complete submittals including the
manufacturer's drawings and shall show the exact site conditions
with specific dimensions, locations and arrangement of the equipment
itself, dimensions of mounting bases and pads working clearances
from neighboring equipment, external connections including the
location, number and size of cables and conduits connected to the
equipment and the schematic and wiring diagrams showing

Section 26000 _ 9
24 OFFICE BLDG, EGYPT Electrical

interconnections of all local and remote devices, including interfaces

with related systems in the new and existing buildings.

C. Submission of the manufacturer's working drawings and data shall

include:

1. Equipment wiring diagrams, schematic diagrams and certified

dimensionsheets for the 380V switchboards and 11 KV
switchgear/substation, motor control centers, control panels, safety
switches, circuit breakers, transfer switches, power transformers, engine
generator sets, uninterruptible power supply, fire alarm system,
telephone system, and panel boards with specific descriptions of the
standard electrical equipment used.
2. Time-current characteristic curves for all circuit breakers and fuses.
3. Complete working drawings showing the exact location and number of all
the surface or recessed mounted lighting fixtures, after the Contractor
has done the coordination with the type of the suspended ceiling actually
installed and the location of equipment and devices installed under other
sections of these Specification.

1.4.2. Working Drawings and Data:

A. The Contractor shall submit for approval number of specified in
general condition copies of prints of working drawing and detail
drawings of the entire installation. The working drawings shall be
submitted early enough to get the approval as specified in general
conditions prior to any construction and not before getting the
approval of the Engineer for the equipment shown on the working
drawings. This should be coordinated to conform to the general
program and schedules of work for all trades.

1.4.3. Material s/Manu f acturer’s Da ta:

A. On submittal sheet, the Contractor shall indicate the general
classification of materials, e.g. Raceways and Fittings; Luminaires;
Panel boards; etc. Moreover, the Contractor shall attach a product
compliance sheet indicating the specifications provisions, the
product specifications and the deviation, if any, as described below

Item in Consultan Vendor Product Complianc

Specificat t Specificat Catalogue Remarks
e
ion Specificati ion Item
on
Section 26000 _ 10
24 OFFICE BLDG, EGYPT Electrical

“Submittals for each manufactured item shall be current manufacturer's

descriptive literature of catalogued products, equipment drawings,
diagrams, performance and characteristic curves, and catalogue cuts.”
1.4.4. Publication Compliance:
A. Where equipment or materials are specified to conform to industry
and technical society publications of organizations such as ANSI, or
IEC Standards, submit proof of such compliance. The label or listing by
the specified organization will be acceptable evidence of compliance.
In each of the publications referred to herein, consider the advisory
provisions to be mandatory, as though the word “shall” had been
submitted for “should” wherever it appears. Interpret references in
these publications to the “authority having jurisdiction”, or words of
similar meaning, to mean the Engineer. In lieu of the label or listing,
submit a certificate from an approved independent testing
organization, adequately equipped and complete to perform such
services, stating that the item has been tested in accordance with the
specified organization‟s test methods and that the item conforms to
the specified organization‟s publication.

1.4.5. Certified Test Reports:

A. Electrical equipment and materials shall be approved by an adequately
equipped, recognized, independent testing laboratory of the country
where the equipment has been manufactured, indicating that the
equipment is in conformance to the code requirements of that
country.

1.4.6. Certificates of Compliance:

A. Submit manufacturer‟s certifications as required on products,
materials, finish, and equipment indicated in the technical sections.
Certifications shall be documents prepared specifically for this
contract. Preprinted certifications and copies of previously submitted
documents will not be acceptable. The manufacturer‟s
certifications shall name the appropriate products, equipment, or
materials and the publication specified as controlling the quality of
that item.

1.4.7. Samples:
A. As specified elsewhere samples of the materials such as individual
circuit breakers, luminaires, cables, conduit, receptacles and switches,
etc. shall be submitted.
Section 26000 _ 11
24 OFFICE BLDG, EGYPT Electrical

B. No orders for equipment or materials shall be placed by the

Contractor, before obtaining the written approval of the Engineer.
Only approved materials shall be employed at site and any materials
installed without prior approval shall be removed and reinstated by
approved ones at the expense of the Contractor.

C. Samples of conduit, fittings, wires, cables, switches, lighting fixtures,

track lights, receptacles, telephone, outlets and instruments, speakers,
pushbuttons, and any other small items used in the job shall be
submitted by the Contractor as specified hereinabove, labeled and to
be kept in a locked room under the control of the Engineer. Samples
shall not be used in the installation.

1.4.8. Manuals:
A. Complete operations and maintenance data for all equipment
furnished under Division 16, Electrical, shall be submitted in
accordance with the requirements set forth at the Conditions of
Contract. The manuals shall be prepared specifically for this
installation and shall include all required catalog cuts, drawings,
equipment lists, descriptions, complete parts lists address of vendors
of relevant equipment etc., that are required to instruct operating and
maintenance personnel unfamiliar with such equipment.

1.4.9. Operation and Maintenance Manual:

A. Submit at least four (3) copies of manuals as required for systems and
equipment indicated in the technical sections and shall be in the
English language. Furnish three copies, bound in hardback binders or
an approved equivalent. Furnish one complete manual prior to
performance of systems or equivalent tests, and furnish the remaining
manuals prior to contract completion. Inscribe the following
identification on the cover the words: “OPERATION AND
MAINTENANCE MANUAL”, name and location of the system,
equipment, building, name of Contractor, and contract number.
Include in the manual the names, addresses, and telephone numbers
of each sub-contractor installing the system or equipment and the
local representatives for the system or equipment.

B. Include a table of contents and assemble the manual to conform to the

table of contents, with tab sheets placed before instructions covering
the subject. The instructions shall be legible and easily read, with large
sheets of drawings folded in. The manual shall include:

Section 26000 _ 12
24 OFFICE BLDG, EGYPT Electrical

1. Internal and interconnecting wiring and control diagrams with data to

explain detailed operation and control of the system or equipment
2. A control sequence describing start-up, operation and shutdown
3. Description of the function of each principal item of equipment
4. Installation and maintenance instructions
5. Safety precautions.
6. Diagrams and illustrations.
7. Testing methods.
8. Performance data.

Parts list: The list shall indicate sources of supply, recommended spare
parts and name of servicing organizations.

Appendix: List of qualified permanent servicing organizations for support

of the equipment, including addresses and certified qualifications.
1.4.10. Closeout Submittals and Record Drawings:
A. As required under the Condition of Contract, the Contractor shall
keep an accurate record of the installation as work is carried out,
including length, size, number, location and depth of all conduits, pipe
ducts, and cables installed therein, and connections to all
machines, plant equipment, and terminal boxes, including all
internal connections. Cooperate with the suppliers of control centers,
and annunciators to enable them to provide accurate records of the
internal connections and functions of the equipment installed. Record
drawings shall include, but not be limited to the following:

1. All amendments, additions, etc., to the location of outlets, equipment,

and sizes and routes of conduits and cables including lengths.
2. Amended drawings of all detailed circuit diagrams and cabling
diagrams, indicating conductor sizes, conduit numbers, all terminal
numbers, and sequence of operations.
3. New drawings of any extensively modified detail in the original Contract
drawings, and of further details provided or obtained during
construction.
4. Schedules for all panelboards relating circuit breaker numbers to circuit
function and rating.

Section 26000 _ 13
24 OFFICE BLDG, EGYPT Electrical

5. Schedules for all terminal boxes and terminal strips relating terminal
numbers to incoming and outgoing wires and general function (power or
control).

1.5. QUALITY ASSURANCE

1.5.1. Factory Tests and Inspection:

A. The Owner reserves the right to witness factory testing and
inspection of any equipment furnished under these Division 16,
Electrical specifications. The Contractor shall furnish the Engineer with
any sketches, test setups, and instrumentation and shall notify the
Engineer at least 20 days in advance of the time each shop test will be
made.

1.5.2. Inspection of the Works:

A. The Engineer shall perform inspections of the work as he requires
from time to time, and shall witness the tests performed by the
Contractor as specified in Quality Control paragraphs of this section.
Any work not acceptable to the Engineer shall be removed and redone
at the Contractor's expense.

1.5.3. Coordination Study:

A. For the high-voltage and/or low voltage switchgear manufacturer, the
manufacturer shall conduct a complete coordination study of relays,
circuit breakers, and all other protective devices. The coordination
study shall include the entire distribution system starting with the
smallest 380/220-volt, 3-phase and/or single phase, 50 Hz circuits
protective device on the load end, to the nearest protective device on
the substation line side. The study shall include, but not be limited to,
the following:

1. A tabulation of circuit breaker trip settings

2. Motor starting profiles for all motors sized 40 kilowatt and above
3. Transformer damage curves and protection evaluated in accordance with
IEC, ANSI/IEEE C57.109 (if applicable)
B. The coordination study shall be bound in a standard paper size report.
The study shall be provided in accordance with the requirements set
forth at the Conditions of Contract. Final selection of all protective
device settings or sizes shall be subject to review and acceptance by
the Engineer.

Section 26000 _ 14
24 OFFICE BLDG, EGYPT Electrical

1.5.4. Standardization:
A. All materials and equipment supplied under this section of the works
shall wherever possible be standardized and of metric uniform design
to facilitate maintenance and operation and to limit storage of spare
parts and tools. All materials of the same kind of service shall be
identical and made by the same manufacturer.

B. All components of the same size and rating used in the works
shall wherever practicable be interchangeable with one another. All
circuit breakers, fuses, contactors, relays, etc., shall be of the same
make and design unless particular location and duty make such
standardization impracticable.

1.5.5. Derating:
A. All ratings given in the Contract Documents are standard ratings.

B. For components and accessories for which no specific ratings or sizes

are indicated, the Contractor shall select rating and sizes that will be
suitable for the site conditions. Twenty percent (20%) shall be
minimum derating factor for such items.

C. The cable and wire sizes indicated on the drawings are the design sizes
required for the site conditions and for the ratings of the specified
equipment. Therefore, for the actual equipment, the sizes of cables
need further selections. For wires or cables where no specific sizes are
indicated, the sizes shall be determined by suitably derating the
current ratings of those wires and cables as per the rating factors
indicated in the latest regulations of the country of origin.

1.5.6. Spare Capacity:

A. Spare capacity shall be provided to allow for future expansion and
future loads. Where required in the contract drawings, there shall be
spares for conduits, spare space for installing future equipment, and
spare circuits at panel boards and switchgears. If during the field-
testing prior to handing over the Works, the required spare
capacity is not available, the Contractor shall replace or add to any
component or equipment to the system at no cost to the Owner.

1.6. DELIVERY, STORAGE AND HANDLING

1.6.1. Delivery:

Section 26000 _ 15
24 OFFICE BLDG, EGYPT Electrical

A. The equipment furnished under this section shall be prepared for

shipment, delivered, stored, and handled.

B. Deliver electrical materials and equipment in original cartons or

containers with seals intact as applicable. Unless otherwise specified,
deliver conductors in sealed cartons or on sealed reels, ends of reeled
conductors factory sealed. Deliver large multi-component assemblies
in sections that facilitate field handling and installation.

1.6.2. Handling:
A. All exothermal welding materials and molds shall be stored and
protected against absorption of moisture. Welding charges, which
show signs of moisture absorption during storage or during
installation, shall be discarded and replaced. Before making the first
weld of the day or after a delay between welds, it is expected that a
charge may be fired in the empty mold to condition the mold.

B. All grounding, insulating and electrolyte materials shall be protected

from degrading by any cause and from loss by any cause.

C. Handle materials and equipment in accordance with best industry

practices and manufacturer's recommendations. Lift large or heavy
items only at the points designed by the manufacturer. Use padded
slings and hooks for lifting as necessary to prevent damage.

D. The contractor shall inform the Engineer by the receiving of equipment

to inspect before installation.

E. Store materials and equipment on the ground and under cover.

Prevent corrosion, contamination or deterioration. Unless the
equipment item is specifically designed for outdoor exposure in a non-
operating mode, all items shall be stored in a protected area.

1.7. PROJECT CONDITIONS

1.7.1. Environmental Requirements:

A. All equipment and materials shall be suitable for use in an ambient
temperature range from 8°C to 45 C under severe environment with
tropical and sandstorm condition. Equipment and materials shall be
sized so that their ratings will not be exceeded nor their functional use
degraded in any way under these ambient conditions. Motor starters
and other thermally sensitive equipment that is installed outdoors
where exposed to sunlight shall be provided with a sunscreen or other
Section 26000 _ 16
24 OFFICE BLDG, EGYPT Electrical

provisions to avoid false tripping or damage due to solar energy.

Moreover, equipment shall be protected against corrosion, and
blowing sand and dirt. All services installed below grade on corrosive
soil due to presence of moisture, salts, acids and other substances that
would cause corrosion, shall be protected with acceptable treatment
or encasement. Materials such as grounding cables, mats and plates
where meant to have electrical contact with earth shall be made of
materials resistant to corrosion while maintaining good electrical
conductivity. Other means such as grounding pits with provision for
replaceable ground rods will be considered where deemed necessary.

B. All electrical equipment shall be rated for an ambient temperature of

50ºC outside and 40ºC inside the building. The ground temperature at
75cm depth varies from 15ºC in winter to 35ºC in summer. It is the
responsibility of the Contractor to take into account the effects of any
severe and arduous conditions in the design and utilization of all
electrical equipment.

1.7.2. Underground Service:

A. Underground service conductors shall be continuous from
the service entrance equipment to the indoor/outdoor power
system connection at the transformer substations and/or low voltage
switchgear up to the main switchboard/panel board of the building.
The underground portion of the conduit shall be encased in a concrete
envelope having a wall thickness of not less than 76 mm.

B. Where a conduit enters through a concrete floor, the curved portion

shall not be visible above the finished floor and the entire conduit
below the floor slab shall be encased in a concrete envelope having a
wall thickness of not less than 76 mm. Ends of the underground
conduit shall be protected by suitable caps until connections are
made.

1.7.3. Electric Utility Service:

A. The service feeders shall be at 10.5KV-380V/220 volts, 3-phase, 5-
wire, 50 Hertz unless otherwise specified.

1.8. WARRANTY
A. All materials and equipment shall be warranted against workmanship
defect or failure for a period of time from date of acceptance as
stipulated in the Conditions of Contract.

Section 26000 _ 17
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1. MATERIALS

A. The materials used in all systems shall be new, unused and as herein
specified. All materials where not specified shall be of the very best
of their respective kinds in accordance with the industry standard to
which they are made.
2.1.1. Standard Products:

A. Materials and equipment to be provided by the manufacturers

shall be essentially the standard catalogued products of a
manufacturer regularly engaged in the manufacture of such products.
Materials and equipment shall meet the applicable requirements
of the specification and shall essentially be in satisfactory use for at
least 2 years.

B. Standard catalog items and IEC sizes, ratings, capacities, and voltages
shall be given preference.
2.1.2. Prohibited Materials:

A. Aluminum conduits, fittings, supports and conductors are not

acceptable unless specially approved for each use, or location, and
manufacturer standards.
2.1.3. Equipment Enclosures:

A. All equipment shall be properly derated for ambient heat, altitude

and similar climatic conditions, which shall affect the operation and
performance

B. Outdoor electrical equipment enclosures (panels, luminaires, etc.)

shall be corrosion resistant, rainproof and dustproof, indoor electrical
equipment enclosures shall be dustproof, unless otherwise specified
or indicated on related documents or drawings.

C. Equipment located in damp or wet locations shall meet exterior

requirements. Refer to environment conditions (Item 1.7 above).
2.1.4. Factory Finishes:

A. Unless otherwise specified in a specific technical provisions

section, the sheet metal surfaces of electrical equipment enclosures
Section 26000 _ 18
24 OFFICE BLDG, EGYPT Electrical

shall be electo-statically painted for interior and exterior metal

surfaces. The color shall be medium light gray or as per
manufacturer‟s standard. Hardware shall have a corrosion-resistant
finish.
2.1.5. Ratings:

A. The required output ratings of all electric equipment shall be referred

to a continuous duty at a coolant temperature of 45 C, Class F, for
insulation and Class B for temperature rise unless particularly
specified elsewhere.
2.1.6. Nameplates:

A. Shall be as per manufacturer‟s standard, and of durable quality.

2.1.7. Common Requirements For Packaged Equipment:

A. Where two or more units of the same class of material or

equipment are required, the Contractor shall provide products of a
single manufacturer.
2.1.8. Deviations:

A. The requirements laid down in this specification, drawings or

requisition orders, have to be strictly followed. Any deviation,
arising during tendering, and manufacturing of the relevant
equipment for any reasons, must be submitted for approval and
confirmed in writing by the Engineer.

B. Deviations in quality or quantity that are not listed or inspected shall

in no way relieve the Contractor from responsibility.
2.2. PERFORMANCE AND DESIGN REQUIREMENTS

2.2.1. Suitability to Environment:

A. Contractor shall be responsible to evaluate and assess all ambient

conditions where electrical equipment, devices and fixtures shall be
installed. Contractor is not relieved of the responsibility to replace any
material with prior approval if found unsuitable for the environment
where it is to be installed.
2.2.2. Design Criteria:

A. The criteria for this project shall be taken as:

Section 26000 _ 19
24 OFFICE BLDG, EGYPT Electrical

- Ambient Air Temperature, °C 45 max

- Ambient Ground Temperature, °C 35 max
- Relative Humidity, percent 90 max
- Altitude, meters 80.7

B. Electrical services shall enter the facility at 10.5 KV-380V/220 volts,

three- phase, five-wire, 50 Hz, unless otherwise specified or indicated
on the drawings.

C. The main grounding (earthing) arrangement is a TN-S system.

2.3. ACCESSORIES

2.3.1. Nameplates:

A. Shall be as manufacturer‟s standard.

2.3.2. Danger Signs:

A. Provide danger signs on all electrical panel boards, switchboard,

main distribution panel board, and other live energized
equipment.

B. All nameplates, signs and other notices shall conform to the

requirements of IEEE, or IEC standards and shall be engraved (of
durable quality) in both Arabic and English.
2.4. FABRICATION

2.4.1. Surface Preparation:

A. Remove all casting projections, weld flux or splatter, by hand

scraping, hand impact tools, etc., follow by wire brushing or power
grinding. Sharp corners or sheared edges shall be dulled and radiused
with power grinder to improve paint adherence.

B. Exposed grooved surfaces shall be finished smooth by filling and

thoroughly cleaned as required to provide a smooth uniform surface
for painting.
2.4.2. Shop Painting:

A. Unless otherwise specified, all iron and steel surfaces, except copper
and stainless steel shall be shop primed with a vinyl primer and then
Section 26000 _ 20
24 OFFICE BLDG, EGYPT Electrical

given two or more shop coats of vinyl base light gray enamel finish.
The shop coating, including primer, shall have a dry film thickness of
at least 0.155 mm.
2.5. SELECTION OF EQUIPMENT SUPPLIER

A. The supplier of each equipment shall have a local representative or in

the area nearby. It shall be easy to get spare parts for all the
equipment. The Owner‟s representative reserves the right to specify
make and type to be supplied.

END OF PART2

Section 26000 _ 21
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1. WORKMANSHIP

A. All materials and equipment shall be installed in accordance with the

recommendations of each manufacturer as approved by the Engineer
to conform to the contract documents. The installation shall be done by
workmen skilled in this type of work. All electrical works shall be
installed in a neat, workmanlike manner. Exposed conduits shall be
installed straight, plumb and level, parallel to or perpendicular to
beams and walls; where vertical shall be installed plumb.

3.2. ACCEPTABLE INSTALLERS

3.2.1. Regulations for Electrical Installations:

A. The Contractor shall plan methods of wiring and installation of

components into the Works in compliance with all regulations,
requirements and recommendations of the Governing Standards, and
shall comply with all local codes and ordinances. The Contractor shall
be responsible for the full compliance with the requirements of the
applicable Standards and IEC 60364 "Electrical Installations in
Buildings", throughout the installation of the Works including any
temporary works required.

An installation or part thereof complying with the herein specified

standards is one in which:
1. Is suitable for its intended purpose
2. Has a supply adequate for its maximum possible demand
3. Comprises equipment suitable for the environment to which it will be
subjected
4. Comprises equipment correctly selected as regards to compatibility
and maintainability
5. Embodies protective measures for safety which remain effective over
its intended life
6. Has been constructed or installed so as to facilitate an efficient and
safe operation

7. Has been installed using good workmanship and proper materials

8. Is constructed so that periodic inspection, testing, maintenance

Section 26000 _ 22
24 OFFICE BLDG, EGYPT Electrical

and repairs can be readily and safely carried out

9. Has been inspected, tested and certified as complying with

the appropriate standards and regulations

The Contractor shall ensure that his employees are familiar with
requirements of the herein specified Governing Standards and the
requirements of the "Industrial Safety and Health" Regulations.

3.3. PREPARATION

A. Before installing any materials, the Contractor shall make certain that
there are accepted shop drawings available in his files for the material
being installed. All electrical equipment furnished in this and other
sections of the specification shall be connected according to the
schematic diagrams indicated on the drawings or on the accepted
drawings furnished by the manufacturer of the equipment.

3.4. INSTALLATION

3.4.1. Setting of Equipment:

A. All equipment shall be installed level and plumb. Sheet metal junction
boxes, equipment enclosures, sheet metal raceways, etc., mounted on
water-bearing or earth-bearing walls, shall be separated from the wall
by corrosion-resistant spacers not less than 6mm.

3.4.2. Sealing of Equipment:

A. All distribution panel boards, power panels, disconnect switches,

lighting control panel and similar equipment shall be permanently
sealed at the base, and all openings into equipment shall be screened
or sealed as required to prevent the entrance of rodents and insects
the size of wasps and muddaubers. Sealing material at the base shall be
non-shrink grout as specified in the Grout section. Small cracks and
openings shall be sealed from inside with silicone sealant, specified in
Section 07920, Joint Sealant.

3.4.3. Repair of Existing Works:

A. The work shall be carefully laid out in advance and where cutting,
channeling, chasing, or drilling of floors, walls, partitions, ceilings or
other surfaces necessary for the proper installation of supports or/and
anchorage for electrical works. This work shall be carefully done and
Section 26000 _ 23
24 OFFICE BLDG, EGYPT Electrical

any damage to building, piping or equipment shall be repaired by

skilled personnel of the trade involved, at the satisfaction of and at no
additional cost to the Owner.

3.4.4. Thermal Expansion:

A. Conduits and raceways crossing expansion joints or areas subject to

difference in temperatures shall be provided with approved factory-
made fittings to compensate for mechanical stress on raceways.

3.4.5. Use of Different Materials:

A. All metallic frames, structures and raceways used for

electrical installations shall be made of the same materials.
Where deemed as of absolute necessity, only approved
compatible transition joints shall be used while maintaining
the cross-section of the conduit system.

3.4.6. Ducts:

A. All ducts and conduit system shall be of the same materials. Where
deemed of absolute necessity only approved compatible transition
joints shall be used while maintaining the cross-section of the conduit
system.

3.4.7. Wiring:

A. Install wiring for control systems, power feeder and branch circuits,
lighting branch circuits, communication and auxiliary systems such as
fire alarm and security, in separate raceways unless otherwise
indicated. Install power system wiring for “Emergency”, “Life
Safety”,”Critical”, systems in separate raceways.

3.4.8. Wet, Damp, or Dry Location Work:

A. Provide products as appropriate for wet, damp, or dry location as

defined by IEC.

3.4.9. Manufacturer Installation Instructions:

A. Install equipment in accordance with the manufacturer„s Installation

instructions and recommendations.

3.4.10. Fire and Smoke Barrier Penetrations:

Section 26000 _ 24
24 OFFICE BLDG, EGYPT Electrical

A. Install fire stopping to raceways, boxes and electrical equipment

installed in or penetrating fire – rated or smoked barrier assemblies, in
a manner which maintains the fire resistance rating or barrier intent.

3.4.11. Field Painting:

A. In a manner satisfactory to the Owner, touch-up or refinish factory –

applied paints or finishes which are chipped, defaced, scratched, or in
any other way disturbed due to handling, installation or general
construction work.

3.5. CONSTRUCTION

3.5.1. Sleeves and Forms:

A. The Contractor shall provide and place all sleeves for conduits
penetrating floors, walls, partitions, etc. Locate all necessary slots for
electrical work and form before concrete is poured. Where exact
locations are required by equipment for stubbing-up and terminating
conduit concealed in floor slabs, the Contractor shall request shop
drawings, equipment location drawings, foundation drawings, and
any other data required by him to locate the concealed conduit
before the floor slab is poured.

B. Where such data is not available in time to avoid delay in scheduled

floor slab pours, the Engineer may elect to allow the installation of
such conduit to be exposed. No additional compensation for such
change will be allowed.

C. All openings, sleeves, penetration, and slots shall be sealed as

specified herein.

3.6. FIELD QUALITY CONTROL

3.6.1. Field Service:

A. All roughing in works for embedded items shall be subject to

inspection to the Engineer and cleared prior to concrete pouring,
closing of shuttering or closure of walls, ceiling and floors where
electrical service shall be concealed or embedded. The Engineer
has the authority to stop any electrical work found to be non-
compliant with the project specification.

3.6.2. Field Tests:

Section 26000 _ 25
24 OFFICE BLDG, EGYPT Electrical

A. In conjunction with the coordination study, the Contractor shall

test and calibrate all protective devices in accordance with the
manufacturer's specification prior to making the proper
device setting before the initial energization of the conductors
and equipment. Field setting of adjustable protective devices
shall be indicated on electrical drawings that show the proper
wiring of the protective devices and the rating and wiring on non
adjustable devices.

B. The Contractor shall provide all test equipment and personnel and
submit written copies of all test results. As an exception to
requirements that may be stated elsewhere in the contract, the
Engineer shall be given 15 working days notice prior to each test.

3.7. PROTECTION

3.7.1. Care of Equipment:

A. During construction, all electrical equipment and cable

insulation shall be protected against absorption of moisture, and
metallic components shall be protected against corrosion by
strip heaters, lamps, or other suitable means. This protection
shall be provided immediately upon receipt of the equipment
and maintained continuous until the equipment is put into
operation.

END OF PART3

END OF SECTION 16050

Section 26000 _ 26
24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 260513.16- MEDIUM VOLTAGE CABLE

section 260513.16 _ 1
24 OFFICE BLDG, EGYPT Electrical

Table of Contents
PART 1 GENERAL .......................................................................................................................... 3
1.1. SCOPE ...................................................................................................................................... 3
1.3. REFERENCES ............................................................................................................................ 3
1.3.1. Governing Standards:.............................................................................................................. 3
1.4. QUALITY ASSURANCE .............................................................................................................. 4
1.4.1. Installer’s Qualifications:..................................................................................................... 4
1.4.2. En ginger’s Acceptance and Contractor’s Resp on senility: ............................................... 4
1.5. SUBMITTALS ............................................................................................................................ 4
1.5.1. Data and Samples: .............................................................................................................. 4
1.5.2. Instructions: ........................................................................................................................ 5
1.5.3. Statements: ......................................................................................................................... 5
1.6. SHIPMENT ............................................................................................................................... 5
1.7. DELIVERY, STORAGE AND HANDLING ..................................................................................... 5
1.7.1. Delivery: .............................................................................................................................. 5
1.7.2. Storage: ............................................................................................................................... 5
1.7.3. Handling: ............................................................................................................................. 6
PART 2 PRODUCTS .................................................................................................................... 7
2.1. CONSTRUCTION OF CABLES .................................................................................................... 7
2.1.1. Conductors: ......................................................................................................................... 7
2.1.2. Conductor Screening: .......................................................................................................... 7
2.1.3. Insulation: ........................................................................................................................... 7
2.1.4. Insulation Screening: ........................................................................................................... 7
2.1.5. Copper Sheath:.................................................................................................................... 7
2.1.6. Filling and Inner Covering: .................................................................................................. 7
2.1.7. Metallic Armour: ................................................................................................................. 8
2.1.8. Outer Jacket: ....................................................................................................................... 8
2.2. IDENTIFICATION OF THE CABLE PHASES AND MARKING ........................................................ 8
2.3. MULTIPLE-CONDUCTOR UNARMOURED CABLES ................................................................... 9
2.4. Cross-linked Polyethylene With PVC Jacket:........................................................................... 9
2.5. SINGLE-CONDUCTOR UNARMOURED CABLES ........................................................................ 9
2.5.1. Cross-linked Polyethylene with PVC Jacket: .................................................................... 9
2.6. CABLE SUPPORTS AND FITTINGS............................................................................................. 9
2.7. SPLICE KITS ............................................................................................................................ 10
2.8. SOLID TERMINATIONS........................................................................................................... 10
PART 3 EXECUTION ................................................................................................................. 11
3.1. INSTALLATION ....................................................................................................................... 11
3.1.1. Moisture-testing Before Pulling: ....................................................................................... 11
3.1.2. Protection During Splicing Operations:............................................................................. 11
3.1.3. Duct Cleaning: ................................................................................................................... 12
3.1.4. Pulling Cables in Ducts and Manholes: ............................................................................. 12
3.1.5. Direct Buried Installation: ................................................................................................. 14
3.1.6. Grounding: ........................................................................................................................ 14
3.2. INSPECTION AND TESTING .................................................................................................... 15
3.3. FIELD TESTING ....................................................................................................................... 15

section 260513.16 _ 2
24 OFFICE BLDG, EGYPT Electrical

SECTION 260513.16- MEDIUM VOLTAGE CABLE

PART 1 GENERAL
1.1. SCOPE
A. This section covers the furnishing medium voltage cables, including
armored and unarmored single and multiple conductor power cables.

1.2. DESIGN CRITERIA

A. The cables shall be designed for the following environmental
conditions:

1. Air ambient temperature at point of use (Refer to Section 16050)

2. Relative humidity (Refer to Section 16050).
3. Occasional sand storms
4. Salty air
5. Soil conditions vary from dry sand to wet silt or clay
6. In some areas the soil is alkaline, in others it is acidic or salt
B. The cable shall be rated for 90°C continuous temperature, 130°C
maximum emergency temperature and 250°C short circuit temperature

1.3. REFERENCES

1.3.1. Governing Standards:

A. Except as modified or supplemented herein, all equipment and
materials required in this section including their installation shall
conform to the applicable requirements of the following standards.
Standards current at the time of tender shall be used.

B. Institute of Electrical and Electrical and Electronic Engineers IEEE No.

Std 383 Standard for Type Test Class 1E Electric Cables, Field
Splices, and Connections for Nuclear Power Generating
Stations

In addition to meet the requirements of this specification all

cables provided shall comply with the relevant latest standards
published by the International Electro Technical Commission (IEC) or
approved equivalent including but not limited in the following:

IEC 60228 Nominal cross-sectional areas and compositions of

conductors of insulated cables

section 260513.16 _ 3
24 OFFICE BLDG, EGYPT Electrical

IEC 60229 Tests on anti-corrosion protective covering of

metallic cable sheath

IEC 60230 Impulse on cables and their accessories

IEC 60270 Partial discharge measurement

IEC 60502-2 Extruded solid dielectric insulated power cables for

rated voltages from 6 kV up to 30 kV

IEC 60811 Test methods for insulations and sheaths of electric

cables

1.4. QUALITY ASSURANCE

1.4.1. Installer’s Qualifications:

A. The Contractor shall submit data showing that he has successfully
installed systems of the same type and design as specified herein, or
that the Contractor has a firm contractual agreement with a
subcontractor having not less than five years experience in the design
and installation of such systems. Data shall include names and location
of at least two installations of such systems, he or his referenced sub-
contractors has installed. The references shall indicate type and
design of each system and certification that each system has been
performed satisfactorily in the manner intended for not less than three
years.

1.4.2. En ginger’s Acceptance and Contractor’s Resp on senility:

A. The Engineer’s acceptance of the Contractor’s working drawings
shall not relieve the Contractor from responsibility for errors,
omissions, or deficiencies in the work. The Contractor shall verify
actual conditions in the field and shall take all measurements
necessary for proper installation of this work.

1.5. SUBMITTALS
A. Submit the following in accordance with the requirements set forth at
the Conditions of Contract.

1.5.1. Data and Samples:

A. Equipment, performance and manufacturer’s catalog data, samples,
and identification tag shall be provided for the following items:

section 260513.16 _ 4
24 OFFICE BLDG, EGYPT Electrical

1. Single core XLPE/PVC Unarmored Cable

2. Multi-core XLPE/PVC Unarrmored Cable
B. Each sample shall show full data embossed on the sheath and shall be
prepared for easy investigation and measuring purposes.

1.5.2. Instructions:
A. Manufacturer's Instructions shall be provided showing the
recommended sequence and method of installation for the following:

1. Medium Voltage Power Cable Systems

2. Termination

1.5.3. Statements:
A. Listing of products installed shall be provided showing
qualifications of Cable Splicers to the Engineer’s Representative prior
to specified work.

1.6. SHIPMENT
A. Cable shall be shipped on reels such that the cable will be protected
from mechanical injury. Each end of each length of cable shall be
hermetically sealed and securely attached to the reel.

B. Minimum reel drum diameter shall be 14 times the overall diameter of

the cable. A pulling eye shall be installed by the manufacturer for
each length of cable supplied for installation in ducts, manholes, and
utility trenches.

1.7. DELIVERY, STORAGE AND HANDLING

1.7.1. Delivery:
A. All cables shall be delivered to site with seals intact and bearing the
manufacturer's label indicating classification, size, description, length
and grade. All labels shall be retained and kept in a logbook to be
available for inspection by the Owner’s Representative.

1.7.2. Storage:
A. Cables shall be stored at normal temperatures and out of direct
sunlight. Cables not on purpose-built cable reels shall be coiled
neatly, allowing for any limitations of bend radius and protected
against mechanical damage. Cable ends shall be sealed to prevent ingress
section 260513.16 _ 5
24 OFFICE BLDG, EGYPT Electrical

of moisture.

B. Care shall be taken to ensure that all cables are adequately protected
while stored on site prior to erection. No damaged cable shall be used.

1.7.3. Handling:
A. Whenever possible, cranes shall be used with suitable spindle through
the center of the reel. In the absence of hosting equipment,
temporary ramp shall be provided to move cable reels to and from
storage area. Cable reels that have been dropped will be subject to
rejection by the Owner’s Representative, because of flatting of the
cable inner layers. Drums shall be rolled in the direction of indicating
arrows.

END OF PART 1

section 260513.16 _ 6
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS
2.1. CONSTRUCTION OF CABLES

2.1.1. Conductors:
A. The cable shall have single conductor of plain aluminum Class 2, of
concentric strand wires. The conductor shall be of compacted
circular shape.

2.1.2. Conductor Screening:

A. Each conductor shall be covered with an extruded semi-conductive
material layer. The screening shall be tightly fitted to the conductor
but shall be easily cold strippable. The conductor screens shall bond
thoroughly to the insulation but shall be easily distinguished from it by
its different color.

2.1.3. Insulation:
A. Each conductor shall have ozone-resistant layer or cross- linked
polyethylene (XLPE) extruded on the conductor screen.

2.1.4. Insulation Screening:

A. A semi-conductive material layer which shall have a different color
from that of the main insulation shall be extruded on the core. The
screening layers shall be easily removable without damaging or
scratching the main insulation or leaving traces over it during splicing
or terminating the cable.

2.1.5. Copper Sheath:

A. On the core insulation, two screening flat copper tapes each having
0.1 mm thickness shall be helically applied and overlapped over the
insulation shield.

B. The overlap for each tape shall be ≥ 1/3 of its total width so that max.
D.C. resistance of cu screen at 20° per km of cables ≤ 0.65 ohm.

2.1.6. Filling and Inner Covering:

A. The three cores shall be assembled together, the interstice filled with
non-hygroscopic; non–conductive material which may be extruded or
not so that the completed cable assembly is of substantial circular
cross-section.
section 260513.16 _ 7
24 OFFICE BLDG, EGYPT Electrical

B. The inner covering wrapping the three cores together shall be of

extruded corrosion resistant material.

C. The material is used for the filler and inner covering shall be suitable
for the cable operating temperature. The thickness of the inner
covering shall be in accordance with the attached table of dimensions.

2.1.7. Metallic Armour:

A. The metallic armor is of double tape type and shall be of steel. The
tapes shall be hot or cold rolled of commercial quality. Special
consideration shall be given to the possibility of corrosion, not only for
mechanical safety, but also for electrical safety. It shall be applied on
an inner covering in accordance with IEC 60502 standard.

B. The material and dimensions of the steel tapes shall be in accordance

with IEC 60502 standard. The tape armour shall be helically applied in
two layers so that the outer tape is approximately central to cover the
gap of the inner tape. The gap between adjacent turns of each tape
shall not exceed 50% of the width of the tape.

2.1.8. Outer Jacket:

A. The cable shall have an oversheath of extruded PVC st-2.

B. The oversheath shall be non-hygrosopic, sunlight resistant and

suitable for soil conditions in Egypt.

C. The cable shall be marked throughout its length with the following
items:

1. Voltage rating
2. Size
3. Manufacturer’s name
4. Year of manufacture
5. Customer’s name

D. Intervals of marking shall not exceed one meter and each mark
shall serially indicate the length of the cable remaining.

2.2. IDENTIFICATION OF THE CABLE PHASES AND MARKING

E. Identification for phases shall be carried using colored plastic ribbon

section 260513.16 _ 8
24 OFFICE BLDG, EGYPT Electrical

between the semi-conducting layer and copper screen (RED, YELLOW,

BLUE).

F. The cable shall be marked throughout its length with the following
items:

1. Voltage rating
2. Size
3. Number of conductors
4. Manufacturer’s name
5. Year of manufacture

G. Intervals of marking shall not exceed one meter and each mark
shall serially indicate the length of the cable remaining.

2.3. MULTIPLE-CONDUCTOR UNARMOURED CABLES

A. Cross-linked polyethylene insulated IEC 60502:

2.4. Cross-linked Polyethylene With PVC Jacket:

A. Multiple-conductor, cross- linked polyethylene-insulated, red sheath
polyvinyl chloride-jacketed unarmored cable shall conform to IEC
60502. Conductor screen shall be extruded, semi-conductor
compound, insulation screen (non-metallic part) shall be graphite layer
with a lapping tape or extruded semi-conductive material, and for
metallic part shall be copper tapes 0.10 millimeter thickness. Taped
bedding shall be used.

2.5. SINGLE-CONDUCTOR UNARMOURED CABLES

2.5.1. Cross-linked Polyethylene with PVC Jacket:

A. Single-conductor, polyethylene-insulated, red sheath polyvinyl
chloride-jacketed unarmored cable shall conform to IEC 60502.
Conductor screen shall be extruded semi- conductor compound;
insulation screen (non-metallic part) shall be graphite layer with a
lapping tape or extruded semi-conductive material and for metallic part
shall be copper tapes 0.10 millimeter thickness.

2.6. CABLE SUPPORTS AND FITTINGS

section 260513.16 _ 9
24 OFFICE BLDG, EGYPT Electrical

A. Cable supports, related fittings, and accessories for use in corrosive

underground locations, such as manholes, shall be provided with a
factory applied coating of polyvinyl chloride of at least 0.51 millimeter
thick. Polyvinyl chloride (PVC) coated items shall have a uniform
thickness and be free of blisters, breaks, and holidays. PVC compound
shall conform to IEC.

B. Cable racks, cable tray supports and related fittings shall be IEC
standard or heavy-duty nonmetallic glass-reinforced nylon or
polycarbonate.

2.7. SPLICE KITS

A. Approved connectors shall be provided for splices and terminal
connections of all aluminum conductors. The connector shall fit the
conductor to which it shall be connected, and the assembly shall have
joint contact surfaces not less than 50%. (As recommended in
writing by the splicing kit manufacturer for specific sizes,
ratings and configuration of cable conductor and splices
specified). Include all components required for complete splice with
detail instruction. Comply with IEC Code.

2.8. SOLID TERMINATIONS

A. Termination for medium voltage cable shall be in the switchgear or
cable entrance Compartment of transformers. Type of termination
fitting shall be as required to match conductor to equipment, built–up
insulation and heat shrink stress cone as manufactured by Raychem
(or approved equal) for the type of cable specified.

END OF PART 2

section 260513.16 _ 10
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION
3.1. INSTALLATION
A. Medium-voltage cables shall be installed in accordance with IEC .

B. Cable shall be installed in underground duct banks; in conduit above

and below grade; inside buildings; by open wire method; on insulator
hooks; on racks; in wall and ceiling mounted cable trays and manholes;
and by direct burial.

C. Cables shall be secured with heavy-duty cable ties in trays mounted

horizontally, where cable rests on tray bottom. Cable ties shall be
installed at minimum of 3000-millimeter intervals.

D. Cables shall be secured with PVC coated, metallic or non-metallic cable

clamps, straps, hangers, or other approved supporting devices,
ceilings, and in cable trays mounted vertically, where tray bottom is in
a vertical plane.

E. When field cuts or other damage occurs to the PVC coating, a liquid
PVC patch shall be applied to maintain the integrity of the coating.
After the installation is complete, an inspection shall be performed to
ensure the absence of voids, pinholes, or cuts.

F. Contractor shall ensure that all cable trays are properly secured and
supported prior to installing new armored cable. Contractor shall add
new permanent and/or temporary tray support devices as required to
preclude cable tray failure during cable pulling or after cable is
installed.

G. Cable or conductors of a primary distribution system shall be rejected

when installed openly in cable trays or openly racked along interior
walls; (in the same raceway or conduit with ac/dc control circuits or ac
power circuits operating at less than 600 Volts; or in a manner allowing
cable to support its own weight).

3.1.1. Moisture-testing Before Pulling:

A. Contractor shall ensure that radii of bends, potheads, fittings, cable
risers, and other conditions are suitable for the cable and conform to
the recommendations of the cable manufacturer.

3.1.2. Protection During Splicing Operations:

A. Blowers shall be provided to force fresh air into manholes or confined
section 260513.16 _ 11
24 OFFICE BLDG, EGYPT Electrical

areas where free movement or circulation of air is obstructed.

Waterproof protective coverings shall be available on the work site to
provide protection against moisture while a splice is being made.
Pumps shall be used to keep manholes dry during splicing operations.
Under no conditions shall a splice or termination be made with the
interior of a cable exposed to moisture. A manhole ring at least 150
millimeters above ground shall be used around the manhole entrance
to keep surface water from entering the manhole. Unused ducts shall
be plugged and water seepage through ducts in use shall be stopped
before the splice is started.

3.1.3. Duct Cleaning:

A. Ducts shall be thoroughly cleaned before installation of power cables.
A standard flexible mandrel shall be pulled through each duct to
loosen particles of earth, sand, or foreign material in the line. Mandrel
length shall be not less than 300 millimeter long, and shall have a
diameter 13 millimeter less than the inside diameter of the duct. A
brush with stiff bristles shall then be pulled through each duct to
remove the loosened particles. Brush diameter shall be the same as
or slightly larger than the diameter of the duct.

3.1.4. Pulling Cables in Ducts and Manholes:

A. Medium-voltage cables shall be pulled into ducts with equipment
designed for this purpose, including power-driven winch, cable-feeding
flexible tube guide, cable grips, and lubricants. A sufficient number of
trained personnel and equipment shall be employed to ensure the
careful and proper installation of the cable.

B. Cable reel shall be set up at the side of the manhole and above the
duct, allowing the cable to enter through the opening without reverse
bending. Flexible tube guide shall be installed through the opening in a
manner that will prevent the cable from rubbing on the edges of any
structural member.

C. Cable shall be unreeled from the top of the reel. Payout shall be
carefully controlled. Cable to be pulled shall be attached through a
swivel to the main pulling wire by means of a pulling eye or suitable
cable grip permitted only on cables less than 60 meter long and less
than 50 millimeter in diameter.

section 260513.16 _ 12
24 OFFICE BLDG, EGYPT Electrical

D. Woven-wire cable grips shall be used to grip the cable end when
pulling small cables and short straight lengths of heavier cables .

E. Pulling eyes shall be attached to the cable conductors to prevent

damage to the cable structure.

F. Pulling eyes and cable grips shall be used together for PVC sheathed
cables to prevent damage to the cable structure.

G. Minimum bending radius shall be in accordance with the following :

Cable Type Minimum Bending Radius

Multiplier Times Cable Diameter

Armored cables 12

Unarmored cables 8

H. Cables shall be liberally coated with a suitable cable-pulling approved

lubricant as it enters the tube guide or duct. Grease and oil lubricants
shall be used only on armored cables. Unarmored sheathed cables
shall be covered with wire- pulling compounds when required which
have no deleterious effects on the cable. Rollers, sheaves, or tube
guides around which the cable is pulled shall conform to the minimum-
bending radius of the cable.

I. Cables shall be pulled into ducts at a speed not to exceed 0.25 meter
per second and not in excess of maximum permissible pulling tension
specified by the cable manufacturer. Cable pulling using a vehicle shall
not be permitted. Pulling operations shall be stopped immediately
with any indication of binding or obstruction and shall not be resumed
until such difficulty is corrected. Sufficient slack shall be provided for
free movement of cable due to expansion or contraction.

J. Cable splices made up in manholes shall be firmly supported on cable

racks as indicated. No cable splices shall be pulled in ducts. Cable
ends shall overlap at the ends of a section to provide sufficient
undamaged cable for splicing. Cables to be spliced in manholes shall
overlap the centerline of the proposed joint by not less than 600
millimeter.

K. Cables cut in the field shall have the cut ends immediately sealed to
prevent entrance of moisture. Unarmored cables shall be sealed with
section 260513.16 _ 13
24 OFFICE BLDG, EGYPT Electrical

rubber tape wrapped down to 75 millimeter from the cable end.

Rubber tape shall be cover-wrapped with polyvinyl chloride tape.
Armored cables shall be sealed with wiping metal making a firm bond
with the end of the sheath or with a disk of lead fitted over the end
and wiped to the sheath.

3.1.5. Direct Buried Installation:

A. Cable direct buried, unless otherwise specified furnish a bed of soft
clean sand 100 mm depth at the bottom of trench , and the same over
cable. Install concrete tiles to the whole route of the cable with 50
mm thickness and covering at least 200 mm over the outer edge of the
cable from both sides.

B. Then storing in backfilling with selected soil and reach to 95%

compaction minimum. Before reaching to the finished grade level by
300 mm install warning tape to cover the whole routes indicating “
DANGER ELECTRICAL CABLES.” In both English and Arabic.

C. In road crossing, install UPVC pipe embedded in concrete encasement

and install warning tape and install spare pipes not less than 25 % of
the same size.

D. Permanent markers shall be installed at each 50 m of the cable

runs, changes in direction, buried splices and cable ends.

E. Cables shall be installed as required by drawing and manufacturer’s

recommendation and according to standard length of cable in case of
long distance routes with one as a maximum in certain route .

F. Use kits, which are compatible with conductor size, material and type
and according to the manufacturer’s recommendations.

G. Install terminations at ends of conductors and seal multi–conductor

cable ends with standard kits and glands.

3.1.6. Grounding:
H. The armouring of metal sheathed cables grounding connection’s shall
be made by means of screw – type pressure connectors to grounding
pads of connections provided on the switchgear in accordance with
IEC. All underground connections shall be made by exothermic
welding and then encapsulated in epoxy resin (Jointing). A separate
protective conductor shall connect the sheath, armouring, ground
metal bodies of terminators, splices and hardware according to
section 260513.16 _ 14
24 OFFICE BLDG, EGYPT Electrical

manufacturer’s written instructions and IEC codes.

3.2. INSPECTION AND TESTING

A. ENGINEER reserves its right to carry out inspection during fabrication
stages and to witness the testing of cables.

B. Attendance of ENGINEER representative during fabrication stages and

testing must not relieve the manufacturer of his full responsibility for
furnishing the cables in accordance with the requirements of this
specification, and shall not give him the right to invalidate any claim
which ENGINEER may make because of defective material or faulty
workmanship.

C. Unless otherwise specified or approved in writing by ENGINEER all

cables shall be tested at the factory in accordance with the latest
applicable issues of the IEC standards or approved equivalent. All
routine and type tests shall be performed by and at the expense of
manufacturer. The type and routine test certificates shall be delivered
by ENGINEER.

D. Quality control procedure shall be submitted with tender documents.

3.3. FIELD TESTING

A. Each shall be subjected to dielectric-absorption and high-voltage tests
after the installation of power cables has been completed, including
splices, joints, and terminations, and before the cable is energized .

B. Test equipment, labor, and technical personnel shall be provided as

necessary to perform the electrical acceptance tests.

C. Arrangements shall be made to have tests performed by Electrical

Distribution Company and shall witnessed by the Engineer’s
representative until all results are satisfactory.

D. Each power-cable installation shall be completely isolated from

extraneous electrical connections at cable terminations and joints.
Safety precautions shall be observed.

E. Each power cable shall first be given a full dielectric-absorption test

with 2500 Volt insulation-resistance test set. Test shall be applied for
a long enough time to fully charge the cable. Readings shall be
recorded every 15 seconds during the first 3 minutes of test and at 1
minute intervals thereafter. Test shall continue until three equal
section 260513.16 _ 15
24 OFFICE BLDG, EGYPT Electrical

readings, 1 minute apart, are obtained. Minimum reading shall be

200 megohms at an ambient temperature of 16 degrees C. Readings
taken at other than 16 degrees C ambient temperatures shall be
corrected accordingly.

F. Upon successful completion of the dielectric absorption test, the cable

shall be subjected to a direct-current high-potential test for 5 minutes
with test

G. voltages applied in accordance with IEC for cross-linked, polyethylene-

insulated cable.

H. Leakage current readings shall be recorded every 30 seconds during

the first 2 minutes and every minute thereafter for the remainder of
the test. When the leakage current continues to increase after the first
minute, the test shall be immediately terminated and steps taken to
find and correct the fault. When a second test becomes necessary,
this test procedure shall be repeated.

I. Upon satisfactory completion of the high-potential test, the cable shall

be given a second dielectric-absorption test as before.

J. Results of the second dielectric-absorption test shall agree with the

first test and shall indicate no evidence of permanent injury to the
cable caused by the high-potential test.

K. Test data shall be recorded and shall include identification of cable and
location, megohm readings versus time, leakage current readings
versus time, and cable temperature versus time.

L. Final acceptance shall depend upon the satisfactory performance of

the cable under test. No cable shall be energized until recorded test
data have been accepted by the Electrical Distribution Company and
approved by the Engineer’s Representative.

M. Radiographic tests may be performed on all potheads at the discretion

of the Engineer’s Representative to determine if voids exist in the
pothead. Unacceptable terminations shall be reworked at no
additional expense to the Engineer.
section 260513.16 _ 16
24 OFFICE BLDG, EGYPT Electrical

END OF PART 3

END OF SECTION 260513.16

section 260513.16 _ 17
24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 260519- WIRES AND CABLES

Section 260519 _ 1
24 OFFICE BLDG, EGYPT Electrical

Contents
PART 1 GENERAL............................................................................................................................................ 3
1.1 SCOPE.............................................................................................................................................................. 3
1.2 REFERENCES .................................................................................................................................................... 3
1.3 SUBMITTALS ................................................................................................................................................... 3
1.4 DELIVERY, STORAGE AND HANDLING ............................................................................................................. 4
1.5 PROJECT CONDITIONS .................................................................................................................................... 5
PART 2 PRODUCTS.................................................................................................................................. ...6
2.1 MATERIALS...................................................................................................................................................... 6
2.2 PERFORMANCE AND DESIGN REQUIREMENTS ............................................................................................... 6
2.3 INSTALLATION INSTRUCTIONS...................................................................................................................... 11
2.4 TESTS, INSPECTIONS AND VERIFICATIONS.................................................................................................... 11
PART 3 EXECUTION.................................................................................................................................. 13
3.1 INSPECTION .................................................................................................................................................. 13
3.2 PREPARATION ............................................................................................................................................... 13
3.3 INSTALLATION............................................................................................................................................... 15

Section 260519 _ 2
24 OFFICE BLDG, EGYPT Electrical
SECTION 260519 - WIRES AND CABLES

PART 1 GENERAL

1.1 SCOPE

This section covers the furnishing and installation of all insulated

wires and cables including control / (for power) cables voltages 600
volts nominal or lower; except wire and cable for special
applications, such as low-level circuits for analog signals, data and
supervisory control, communication and telemetering systems.

1.2 REFERENCES

1.2.1 Governing Standards: Except as modified or supplemented

herein, all equipment and materials required in this section including
their installation shall conform to the applicable requirements of the
following standards. Standards current at the time of tender shall be
used.

International Electro-technical Commission

IEC No.

60228 Conductors of Insulated Cables

60502 Single or Multi-core Cables Cross-linked Polyethylene (XLPE) or
(PVC) Insulated and PVC Sheathed

British Standards (BS)

1.2.2 General Equipment Stipulations: Section 01600, Product

Requirement shall apply to all equipment furnished under this
section.

1.3 SUBMITTALS

Submit the following in accordance with the requirements set forth

at the Conditions of Contract.

1.3.1 Drawings and Data: Descriptive literature, catalogs, cable list,

drawings and test reports for cable shall be submitted. Literature
submitted should be marked on a typical data sheet to clearly
indicate any particular specification paragraph for which the
material applies.

1.3.2 Samples: In addition to complete specifications and descriptive

Section 260519 _ 3
24 OFFICE BLDG, EGYPT Electrical
literature, a sample of selected sizes of each type of cable,
termination, gland, identification tag and warning tape shall be
submitted for review before installation. Each sample shall have the
manufacturer's full surface printing identification data engraved and
shall be prepared for measuring and verification purposes.

The samples shall be retained until completion of the Contract.

The Owner’s Representative reserves the right to subject any of the
samples submitted to tests and will be in no way responsible for
damage or breakage as a result of any such tests.

1.3.3 Manufacturing Data and Test Reports: Showing dimensioned

sketches, thickness of insulation and sheath, factory tests, drum data
and shipping details.

1.3.4 Calculation: Before commencing any part of the works, the

Contractor shall submit to the Engineer for study and approval,
calculations for all large power cables and some few examples of
calculation on small power cables.

1.4 DELIVERY, STORAGE AND HANDLING

1.4.1 Delivery: All cables shall be delivered to site with seals intact and
bearing the manufacturer's label indicating classification, size,
description, length and grade. All labels shall be retained and kept in
a logbook to be available for inspection by the Owner’s
Representative.

1.4.2 Storage: Cables shall be stored at normal temperatures and out of

direct sunlight. Cables not on purpose-built cable reels shall be coiled
neatly, allowing for any limitations of bend radius and
protected against mechanical damage. Cable ends shall be sealed to
prevent ingress of moisture.

Care shall be taken to ensure that all cables are adequately

protected while stored on site prior to erection. No damaged cable
shall be used.

1.4.3 Handling: Whenever possible, cranes shall be used with suitable

spindle through the center of the reel. In the absence of hosting
equipment, temporary ramp shall be provided to move cable reels to
and from storage area. Cable reels that have been dropped will be
subject to rejection by the Owner’s Representative, because of
flatting of the cable inner layers. Drums shall be rolled in the
Section 260519 _ 4
24 OFFICE BLDG, EGYPT Electrical
direction of indicating arrows.

1.5 PROJECT CONDITIONS

1.5.1 Environmental Requirements: As specified in Section 16050, “Basic

Electrical Materials and Methods”.

END OF PART 1

Section 260519 _ 5
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 MATERIALS

Wire and cable to be furnished shall conform to the detailed

requirements specified herein.

Color identification of flexible cords IEC 60173

Bare copper cables for earthing (grounding) IEC 60228 Class 2
PVC insulated or PVC Sheathed cables, 0.6/1 kV IEC 60502 or NEMA WC 7

XLPE insulated or PVC Sheathed cables, (90 C) 0.6/1 kV

IEC 60502 or NEMA WC 7
XLPE/SWA/PVC Direct Buried Armored Cable IEC 60502 or NEMA WC 7
Cable glands for single and multi core PVC
and/or XLPE cables
BS 6121, BS 5467 or BS 2874
Surge arrestors for cables IEC 60099 Part 1
Cable conductor identification by color or Numerals
IEC 60446
Stranded copper cable Conductors IEC 60228 Part 1 and 2
Stranded copper wire IEC60227 and BS 6004
Cable joints, encapsulated resin type IEC 60502 or IEC 60455
Cable joints, heat shrink type IEC 60502 or IEC 60684

2.1.1 Rated Circuit Voltages: All cables shall have minimum rated
circuit voltages of 600/1000 volts. All wires shall be 450/750 volt.

2.2 PERFORMANCE AND DESIGN REQUIREMENTS

2.2.1 Cable Design Criteria: All cables shall conform to the

applicable provisions of the IEC and local standard.

The cables between distribution boards and consumers that need

neutral shall be of 5 core type, 3-phases, full cross section neutral
and earth wire (unless otherwise indicated on drawings).

Each type of cable used throughout the installation shall be supplied

by one manufacturer only.

Section 260519 _ 6
24 OFFICE BLDG, EGYPT Electrical

Conductors above 3 mm2 shall be stranded copper.

Conductor Insulation: Unless specified or indicated otherwise,

or required to be otherwise by NFPA, all power and lighting and
control cables shall be rated 600/1000 Volt, type PVC or XLPE
cables (armored and non armored).

Cable Types: The following types of wiring systems shall be used

(as indicated on drawings) for power circuits and controls.

- Armored/multicore /stranded PVC Insulated PVC Sheathed, 70 C.

- Un-armored/ Single/stranded PVC insulated and PVC sheathed, 70 C.
- The wires shall be PVC at rated voltage 450 / 700 V

Special Types

- Where temperatures in excess of 50 C are present, mineral

insulated copper clad (MICC) cables shall be used.
- Cables for fire pump and critical loads shall be fire resistant sheathed.
- Irrigation cables shall be moisture and heat resistant sheathed.
- Steel wire armoring shall be galvanized type.

Cable Sizing and Selection: The applicable IEC or local regulations for
Electrical Installations shall be used as the basis for sizing cables
and conductors.

Unless otherwise indicated on drawings minimum wire size shall be

3mm2 for lighting circuits; 4 mm2 for power circuits; 6 mm2
for current transformer secondary circuits; 3 mm2 for potential
transformer, digital signal, relaying, and control circuits; 1.5 mm2
for annunciator circuits, analog signal and alarm circuits.

Voltage drop on main distribution cables shall not exceed two percent
and on sub-circuits shall not exceed three percent. These percentages
may vary but the voltage drop shall not exceed five percent from the
source of supply to the farthest end of any sub-circuit and/or
originating from the nearest substation.

No cable shall be loaded to more than 80 percent of its current

carrying capacity after application of all the appropriate derating
factors.

The spacing of cables shall be as determined in the calculation of the

derating factors for the current carrying capacity of cables.
Section 260519 _ 7
24 OFFICE BLDG, EGYPT Electrical

When required, control cables shall be selected taking into account

of the following:
- Loop resistance shall be less than 50 ohms.
- The environment through which the cable is to pass which will
affect the screening and conduit requirements.
- Cable route to be used e.g. direct burial.
- Electrostatic interference shall be reduced by using a conductive
screen around the signal wires and grounding the screen at one
location only.

Cable sizes shall not be less than the minimum size specified herein.
Minimum cables sizes for circuits outgoing from main switchboards,
distribution panelboard, and main distribution boards shall be in
accordance with the schedule set forth in Table No. 1, indicating the
nominal cross section area of PVC type cables.

Table No. 1: Circuits connecting lighting, power and

miscellaneous equipment shall be sized in accordance with IEC
Governing Standards, but shall not be less than

PVC Cables 3 mm²

Cables for motors above 2 kW, shall be sized to conform to the

Governing Standards, so that the current ratings is not less than 125
percent of the full load current of the motor and that the cable is not
smaller than

PVC Cables 4.0 mm²

Remote control circuits 2.5 mm²

Cable and Conductor Identification

Power Cables: All conductors shall be identified by colored

insulation. Mains, sub-mains and final sub-circuit phase cables shall
be identified by using their respective phase colors, i.e., red, yellow
and blue. The neutral conductors shall be colored black, the ground
conductors shall be colored green and/or green-yellow.

The cables shall be marked throughout its length with the following
items:

- Voltage rating
- Size
- Number of conductors
Section 260519 _ 8
24 OFFICE BLDG, EGYPT Electrical
- Manufacturer’s name

All conductors shall be identified in distribution and panel boards by their

circuit numbers. Neutral and ground cables shall further be identified by
their respective circuit number and phase letter, i.e. R, Y and B. This
identification shall be made by permanent clip-on or push-on plastic
identification bands. In the case of larger conductors the
identification shall be by means of push-on numbers or a suitable
plastic bar that is tie-wrapped onto the cables.
At all outlet points, all phase and switch conductors are to be
identified as specified herein.

2.2.2 Cables in Conduits and Trunking: All cables for lighting,

smaller power, control and auxiliary services, including low and extra
low voltage services, shall be multistranded single core (except for
metal conduits shall be multicore) PVC, butyl, or silicone insulated as
required for 450/750 Volt grade as set forth in IEC and local
specification having stranded copper conductors. The minimum cable
size shall be 1.5 mm2.

All cables shall be color coded in accordance with the relevant IEC
and local Standards.

Marker sleeves shall be fitted to each end of cables and at suitable

distances along its length. Sleeves and markers shall be of the
proprietary type manufactured for the particular applications, and
they shall be of the correct size to ensure a tight fit on the cable.
Where cables changed direction, or are routed through conduits,
cables identification sleeves shall be fitted.

Cables shall be contained within a protective enclosure of a size not

less than that complying with IEC or local standards throughout its
whole length.

Cables installed in conduits, trunking shall be so grouped that the cables

of all phases, neutral and earth, are drawn into the same conduit. The
lead and return conductors shall always be drawn into the same conduit.
Not less than three single core cables shall be enclosed in any one conduit
or trunking compartment.

The grouping of cables fed from different distribution units shall not
be permitted. Also the grouping of cables of different service systems
shall not be permitted.

Section 260519 _ 9
24 OFFICE BLDG, EGYPT Electrical
Where cables are installed in trunking, they shall be grouped in
their respective circuits or services and taped or bound by means of
nylon cable straps at one-meter intervals for purpose of
identification.

2.2.3 Flexible Cables: The use and type of flexible cables or cords shall suit
the applications.

Cables shall be butyl, silicone, PVC or impregnated glass fiber

insulated as required for the particular application. The cables shall
be suitably sized, with a rating not less than the protective device of
the particular circuit, unless exempted by the Governing Standards
and, shall not be less than
0.75 mm² with a voltage rating of 300/500
volts.
Flexible cables and cores shall be used for pendant luminaires,
adjustable lamps, portable appliances and certain items of special
equipment such as air conditioning terminal units.
The cables shall have the correct number of cores necessary for the
particular application and a strain cord shall be included where
necessary to obviate any excess weight being carried on the
conductors. The grounding conductors shall be of sufficient length to
ensure that undue stress is not placed upon it.

No flexible cable, other than that enclosed in conduits, shall be in

excess of two meters in length.

2.2.4 Heat Resistant Cables: Flexible cables for use with heating
appliances or luminaires shall be heat resistant of silicone butyl or
equal at least 105°C.

2.2.5 Cable Support Systems: For above ground installations the

method of fixing PVC/XLPE insulated and PVC sheathed cables shall
be either laid on cable trays or ladder rack or clipped to the building
structure by suitable cable clamp on cable trunking. All single core
unsheathed cables shall be run in a non-metal conduit or trunking
system.

Fasteners: Cable clamps shall be of either non-ferrous metal, or

plastic material, claw or split clamp type suitable for the size and
type of cable and shall be so selected so that all clamps can be
tightened down without exerting undue pressure or strain on the
cables.

Section 260519 _ 10
24 OFFICE BLDG, EGYPT Electrical
In the case of vertical cables, the clamps shall be so designed
and of sufficient number to grip the cable firmly to prevent
creeping. No cable runs shall be without fittings. All cable
hangers and racks shall be submitted for inspection by the Owner’s
Representative prior to the installation of cables. Where cable
routes are subject to numerous changes in level and direction
additional cable hangers shall be provided.

2.3 INSTALLATION INSTRUCTIONS

The following manufacturer’s information shall be provided for each size,
conductor quantity, and type of cable furnished:

- Minimum bending radius, in millimeter for multiple-conductor

cables, this information shall be provided for both the individual
conductors and the multiple-conductor cable.
- Pulling tension and sidewall pressure limits, in kilograms.
- Upon request, compatibility of cable materials and
construction with specific materials and hardware manufactured
by others shall be stated. Also, if requested, recommendations
shall be provided for various cable operations, including installing,
splicing, terminating, etc.

2.4 TESTS, INSPECTIONS AND VERIFICATIONS

2.4.1 Cable Data: Manufacture of the wire and cable shall not be started
until all materials to be used in the fabrication of the finished wire or
cable have
been approved by the Owner’s Representative. Cable data shall
be submitted for approval including dimensioned sketches showing
cable construction, and sufficient additional data to show that these
specifications will be satisfied.

Independent Tests: The Owner may at any time make visual

inspections, continuity or resistance checks, and insulation
resistance readings. A
cable's failure to pass these tests and inspections, or failure to
produce readings consistent with acceptable values for the
application, will be grounds for rejection of the cable. All cable
installations that failed these tests shall be replaced by the
Contractor, at no cost to the Owner.

Reports: Results of tests made shall be furnished. No wire or cable

Section 260519 _ 11
24 OFFICE BLDG, EGYPT Electrical
shall be shipped until authorized. Lot number and reel or coil
number of wire and cable tested shall be indicated on the test
reports.

END OF PART 2

Section 260519 _ 12
24 OFFICE BLDG, EGYPT Electrical
PART 3 EXECUTION

3.1 INSPECTION

The outside of each cable reel shall be carefully inspected and

protruding nails, fastenings, or other objects, which might damage the
cable, shall be removed. A thorough visual inspection for flaws, breaks, or
abrasions in the cable sheath shall be made as the cable leaves the reel,
and the pulling speed shall be slow enough to permit this inspection.
Damage to the sheath or finish of the cable shall be sufficient cause for
rejecting the cable. Cable damaged in any way during installation shall
be replaced by and at the expense of the Contractor.

3.2 PREPARATION

3.2.1 Cable Protection: Cables shall be carefully handled during

installation to avoid damage of any kind. They shall be unreeled or
uncoiled slowly in order to prevent damage to the insulation or
sheath due to sudden bending. Repeated bending shall be avoided.
Sharp links shall be avoided in unreeling, uncoiling and pulling.

The pulling of cables into conduits or ducts shall be carried out with
all possible care. The cable reels or coils shall be positioned so that
the cable may be trained into the conduit or duct as directly as
possible, with the minimum of changes of direction or of bending.
The cable end shall be provided with a suitable protector to guard
against damage to the insulation or sheath. Where several cables are
contained in one conduit or duct, all cables shall be pulled-in
together.
The pulling tension shall not exceed the maximum tension as
recommended by the cable manufacturer.
Long lengths of cable shall be laid using an adequate number of
drum jacks, rollers and other handling accessories. Make-shift-
arrangements will not be acceptable. Care shall be taken to break the
rotation of the reel and cables shall not be dragged over loose earth,
concrete or any surface detrimental to the insulation. Cables shall
not be stretched but shall be adequately supported on rollers or
manhandled into position.

Before cables are pulled through ducts, the ducts shall be checked for
cleanliness and smoothness. Where ducting is longer than two meters,
a cable wire mesh cable stocking shall be used to attach the cable to
the draw-in rope.

Section 260519 _ 13
24 OFFICE BLDG, EGYPT Electrical
The minimum bending radii shall be not less than that
recommended but the cable manufacturer and contra twisting shall
be avoided.

Spacing between cables shall be suitable for the derating factors

applied to the cable installation design.

Cables shall be installed using the loop-in principle, unless otherwise

specified no straight through or tee joints will be permitted.

3.2.2 Cable Routing: The general route of all cables shall be indicated
on the drawings and/or as directed by the Owner’s Representative if
there are no drawings. The Contractor shall include for all deviations
required by the building structure and other services. The final routes
of all cables shall be submitted to the Owner’s Representative
before any work in connection with the cable installation is
commenced.
Cable shall be installed with a minimum of 300 mm clearance of any
equipment or pipework including lagging associated with other
services. Where this condition is or difficult to maintain, the Owner’s
Representative consent shall be obtained prior to the installation
being commenced.

Where cables are situated below floor level in sub-stations and

switch rooms, they shall be run either in formed concrete open
ducts, PVC or under fire resisting access flooring. No cables shall be
buried directly in concrete flooring or foundations.
Where cables pass through holes in panels or other metalwork, they
shall be protected by rubber grommets, compression glands or their
equivalent.

Where cables are run vertically heavy gauge sheet metal guards shall
be supplied and fixed where there is a possibility that the cable
could sustain mechanical damage.

Single-core conductors or cables in metal conduits shall not be

used.

Before commencing any part of the works, the Contractor shall

submit for engineer study and approval, drawings indicating conduit,
trunking, ladders, trays and duct sizes together with the proposed
layout of the system.
Whenever cables have to pass through walls or slabs, a special fire
insulation should be applied. The insulation shall have the same
Section 260519 _ 14
24 OFFICE BLDG, EGYPT Electrical
fire class as the wall or slab penetration.

Both high, medium, low voltage and intrinsically safe cables shall be
on separate cable runs.
All cable runs shall have minimum 30% spare space after all cables is
installed. Cable runs, supports and all its splices shall be conductive and
be well earthed. The main runs for cables between buildings shall
be on the edge of the
road, outside the water ditch. If cables have to cross roads or
concrete
covers the cables must be run in a drained cast ditch of concrete. The
ditch must have covers that are to move.

3.2.3 Segregation: Cables of different voltages and duties shall be

segregated and particular attention shall be paid to the avoidance of
induced 'spikes' or ' electrical noise' on adjacent circuits due to high
currents and/or switches surges.

3.2.4 Grounding: All metal work which cannot be insulated as defined in

the Governing Standards and is associated with cable runs shall be
bonded to earth or to the cable armoring where this latter methods
is approved.

Where steel wire armored cables are specified and the resistance of
the armoring is unsatisfactory, a supplementary earth (ground)
cable shall be run with the affected cable. This cable shall be sized to
ensure compliance with the wiring regulations for earthing.

3.3 INSTALLATION

3.3.1 Cable Installation: Cable shall be installed in accordance with IEC

standards and local code.

If single core cables are used they must not be installed separately
through openings of magnetic materials. They must be installed in 3
phase grouping to avoid current heating.

Cables for intrinsically safe circuits shall be routed on separate cable

ladder or trays or separated clearly from other cables. The tray
shall be marked with a light blue color.

Cable entries into all equipment shall be from below or as

recommended by the equipment manufacturer’s. When an entry has
to be horizontal a drip loop shall be performed in the cable
Section 260519 _ 15
24 OFFICE BLDG, EGYPT Electrical
immediately behind the cable gland. For distribution board in
electrical rooms, top entry is allowed.

Cables shall not be buried in solid or hard setting building finishes

unless
prior approval has been given by the Owner’s Representative.
The
Contractor shall ensure that cables when run in building finishes are
immediately protected against mechanical or any other damage. The
Contractor shall also be in attendance when finishes are applied and
shall ensure that no damage or displacement occurs.

Cables shall be installed parallel to the building lines and shall not be
run diagonally in floor or ceiling finishes.

Single cable passing through walls and floors shall be protected by

means of tubular PVC or steel sleeves of sufficient size to give
minimum 13 mm clearance all round the cable. Sleeves passing
through floors shall extend above the floor level a minimum of 40
mm.

Where passing through walls the sleeve shall finish flush with the
finished surface. All sleeves shall be tightly packed with suitable fire
resistant materials of an approved type. All cables rising from floor
level to equipment or in other locations where accidental damage may
occur shall be protected.

Cables shall be straightened and dressed neatly on the runs by

approved methods. All bends shall have an inside radius of not less
than that recommended by the cable manufacturer and in no case
shall it be smaller than the bending radii shown in the appropriate
standards.

Where multi-runs of cables occur they shall be fixed to cable

trays.

Cables shall be tagged at both ends, inside each panel, and every
15 m of the run. Tag shall be metal type and shall read both the
cable size and the target panels or loads (From/To).
Megger conductor phase-to-phase and phase-to-ground for
continuation and insulation tests before connecting the utilization
devices for 100% feeders, branch circuit and motor circuit.
END OF SECTION 16120

Section 260519 _ 16
24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 260526- GROUNDING AND BONDING

Section 260526_ 1
24 OFFICE BLDG, EGYPT Electrical

Table of Contents
PART 1 GENERAL ............................................................................................................................................ 3
1.1 SCOPE ........................................................................................................................................................... 3
1.2 REFERENCES ................................................................................................................................................. 3
1.3 RELATED SECTIONS ...................................................................................................................................... 3
1.4 SUBMITTALS ................................................................................................................................................. 4
PART 2 PRODUCTS ..................................................................................................................................... 5
2.1 MATERIALS ................................................................................................................................................... 5
2.2 PERFORMANCE AND DESIGN REQUIREMENTS ............................................................................................ 5
PART 3 EXECUTION .................................................................................................................................... 8
3.1 INSPECTION .................................................................................................................................................. 8
3.2 QUALITY CONTROL ....................................................................................................................................... 9

Section 260526_ 2
24 OFFICE BLDG, EGYPT Electrical

SECTION 260526 - GROUNDING AND BONDING

PART 1 GENERAL

1.1 SCOPE

This section covers the furnishing and installing of a complete

grounding system for the facility.

The words "earth" and "earthing" as used herein are synonymous

with the words "ground" and "grounding" and may be used
interchangeably within this specification.

1.2 REFERENCES
1.2.1 Governing Standards: Except as modified or supplemented
herein, all materials required in this section including their
installation shall conform to the applicable requirements of the
following standards. Standards current at the time of tender shall be
used.

Institute of Electrical and Electronic Engineers

IEEE No.

81 Guide for Measuring Earth Resistivity, Ground Impedance, and

Earth Surface Potentials of a Ground System

International Electro-technical Commission (IEC 60364-

5) British Standard (BS:7430)
Egyptian Building Codes & Regulations

1.3 RELATED SECTIONS

The following Sections include requirements which relate to this section:

00320 Geo-technical Report

16050 Basic Electrical Materials and Methods
16461 Distribution Transformer
16231 Package Engine Generator
16343 Ring Main Unit
16425 Low Voltage Switchboards
16500 Lighting
16670 Lightning Protection

Section 260526_ 3
24 OFFICE BLDG, EGYPT Electrical
1.4 SUBMITTALS

1.4.1 General: Submit the following in accordance with Conditions of

the Contract, Division-1 Specification Sections and Division-16 Section
16050 "Basic Electrical Materials and Methods”.

- Grounding calculations detailed enough to reach the required

overall earthing resistance. However, the final test report
results after installation shall remain the effective proof of
reaching the requested earthing resistance value.
- The Contractor shall submit manufacturer's catalog sheets with
catalog numbers marked for the items furnished, which shall
include:

• Exothermal welding materials

• Terminal Lugs and clamps
• Copper ground cable
• Ground rods
• Ground connection hardware

Shop drawings and data shall be submitted in accordance with the

requirements forth at the Conditions of Contract.

- Samples
- Post-installation test procedures
- Final test report

END OF PART 1

Section 260526_ 4
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 MATERIALS

Ground Wires Soft drawn bare copper

Insulated Ground PVC insulated copper in green and/or
green- yellow color and shall conform to IEC
60502.
Ground Rod Rods made of copper clad steel and shall conform
to BS. Ground rods shall be not less than 20 mm
in diameter and three 3.6 m in length.

Grounding Plates Copper, minimum 600 mm by 60 mm by 6

mm thick.
Exothermic Welds Molds, cartridges, materials and accessories
as recommended by the manufacturer of the
molds for items to be welded. Molds and
powder shall be furnished by the same
manufacturer.
Flexible Braided Cable Strap

Copper, 250 mm by 35 mm thick ground post clamps.

Clamps shall be of the anti-electrolysis type

2.2 PERFORMANCE AND DESIGN REQUIREMENTS

2.2.1 Grounding and Bonding: Grounding and bonding shall as a minimum
be in accordance with the IEC 60364-5. All exposed non-current-
carrying metallic parts of electrical equipment, metallic raceway
systems, metallic cable armor, grounding conductor of non-metallic
sheathed cables, grounding conductor in non-metallic raceways and
neutral conductor of the wiring system shall be grounded. Bonding
shall be provided where necessary to assure electrical continuity and
the capacity to conduct safely any fault current likely to be imposed.
Non-current-carrying metal parts of service equipment shall be
effectively bonded together. If available on the premises of each
building served, metal underground water pipe shall form the
grounding electrode system where it conforms to the IEC
requirements. An additional electrode as required by the IEC shall
supplement the metal underground water pipe. If the metal
underground water pipe is coated with an insulation material or

Section 260526_ 5
24 OFFICE BLDG, EGYPT Electrical
there is no underground metal pipe, ground connection shall be made
of driven rods or gradients control mats on the exterior of the building.
A bonding jumper not smaller than 16 mm2 copper shall be
connected between the communication and power grounding
electrodes where separate grounding electrodes are used.
Equipment Criteria, Ground wires for substations main panels and
distribution panels shall be annealed pure copper with 98 percent
conductivity. Wires shall be as indicated or as a minimum in
accordance with the grounding requirements of IEC latest edition.

Grounding connectors shall be high strength, high conductivity

copper alloy.

Ground Rods: Ground rods shall be copper clad (not less than 0.38
mm thick) steel not less than 20 mm in diameter, 3.6 m long, with
hardened tip and cap, driven full length into the earth and where
practicable below permanent moisture level. If the maximum
resistance of grounding system shown in paragraph “Grounding
Resistance” cannot be attained, additional rods shall be installed
from those shown on drawings. If the resultant resistance exceeds
these values, measured not less than 7 days after rainfall, the Owner’s
Representative shall be notified immediately. Where multiple rods are
installed, they shall not be less than 3.0 m apart.

Grounding Electrodes: Grounding electrodes shall be provided for

ground loop conductor and located at the perimeter of the building.
Extend driven ground rods into the existing undisturbed earth for a
distance of not less than three (3) meters. Ground rods shall be set
not less than 600 mm from the edge of walk ways nor more than three
meters from the structure.

The completed installation shall have a maximum total resistance to

ground using the fall-of-potential method described in IEEE 81 of 5
ohms, under normally dry conditions when a ground loop is not
used. Use a ground loop when two of any three (3) ground rods,
driven not less than three meters into the ground, a minimum of
three meters apart, and equally spaced around the perimeter, give a
combined value exceeding 50 ohms immediately after having been
driven.

Section 260526_ 6
24 OFFICE BLDG, EGYPT Electrical

For ground loop a continuous 70 mm2 bare stranded copper

cable (or as shown on the drawings) or equivalent material
having suitable resistance to corrosion shall be installed. Lay
ground loop around the perimeter of the structure in a trench not less
than 750 mm below grade, at a distance not less than 600 mm nor
more than 3 000 mm from the nearest point of the structure.

Grounding Resistance: Unless indicated otherwise on drawings

and/or as a special requirement, grounding values shall be as follows:

- Lightning protection system 10 ohms

- Secondary distribution systems (neutral) and non 2 ohms

current- carrying metal parts and enclosures associated
with secondary distribution system
- Utility substations 2 ohms
- Clean earthing for electronic equipment 0.5 ohm

END OF PART 2

Section 260526_ 7
24 OFFICE BLDG, EGYPT Electrical
PART 3 EXECUTION

3.1 INSPECTION

All works below grade shall be thoroughly coordinated with

all underground services and structures. Grounding and bonding
works must, in all circumstances prevent any dissimilar metal contact
that will cause galvanic corrosion. Bonding shall be made only after
thorough inspection of metal parts to be bonded. Grounding
conductors shall be run with all three phase feeders, and all single
and three phase branch circuits.

3.1.1 Bonding: Metallic raceway system shall have electrical continuity

with equipment individually and directly connected with the building
ground, independent on a raceway system, as herein specified. All
raceways shall contain an appropriately sized green grounding
conductor.

Enclosures to the panelboards shall be individually and directly

connected to the building ground. The grounding conductor shall be
as indicated on the drawing and shall be connected from the building
ground to a copper ground bus terminal strip located in each
panelboard.

Doors of panel boards, MCC’s, switch disconnects, and other

electrical
equipment should be bonded by suitable bonding
jumpers.

Polarized receptacles, lighting fixtures, and equipment enclosures shall

be grounded with an identified (yellow-green color) insulated
conductor not smaller than 4.0 mm2 connected with the branch
circuit ground-bus terminal strip. The ground-bus terminal strip in
each panelboard enclosure shall be isolated and independent of the
system neutral terminal strip.

Conduits stubbed-up below a switchboard or motor control center

shall be fitted with insulated grounding bushings and connected with
the equipment ground bus.

Liquidtight flexible metal conduit in sizes 40 mm and larger shall have

bonding jumpers.

Grounding electrodes shall be driven as required. Where rock

Section 260526_ 8
24 OFFICE BLDG, EGYPT Electrical
is encountered grounding plates may be used in lieu of grounding rods.

All equipment enclosures, motor and transformer frames, conduits

systems, cable armor, exposed structural steel and similar items shall
be grounded.
Exposed connections shall be made by means of grounding clamps.
Exposed connections between different grounding conductors shall be
sealed with No- Oxide Paint Grade A or equal. All buried or
inaccessible connections shall be made by exothermic welding process
as specified herein.

All grounding conductors subject to physical damage shall be installed

in steel conduits and electrically bonded thereto on both ends.

Care shall be taken to ensure good ground continuity, in particular

between the conduit system and equipment frames and
enclosures.
Where necessary, jumper wires shall be installed.

3.2 QUALITY CONTROL

3.2.1 Field Tests: The completed equipment grounding system shall be

subjected to megger test at the service disconnect enclosure ground
bar to ensure that the ground resistance does not exceed 5 ohms.
Certified test reports shall be submitted for review by the Owner’s
Representative.

All exothermal weld connections shall successfully resist moderate

hammer blows. Any connection which fails such test or which, upon
inspection, indicates a porous or deformed weld, shall be remade at
no additional cost to the Owner.

All exothermal welds shall encompass 100 percent of the ends of the
materials being welded. Welds which do not meet this requirement shall
be remade.

Deficiencies: Where ground resistances exceed specified values,

and if directed, modify the grounding system to install and
connect additional rods as directed by the Engineer until the required
value is obtained without any additional cost to the contract.

END OF SECTION 260526

Section 260526_ 9
24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 260533-262716- RACEWAYS, BOXES AND
CABINETS

section 260533-262716_ 1
24 OFFICE BLDG, EGYPT Electrical

Contents
PART 1 GENERAL ..................................................................................................................................... 3
1.1. RELATED DOCUMENTS ............................................................................................................ 3
1.2. SUMMARY ............................................................................................................................... 3
1.3. RELATED SECTIONS ................................................................................................................. 3
1.4. SUBMITTALS ............................................................................................................................ 3
1.5. QUALITY ASSURANCE .............................................................................................................. 4
PART 2 PRODUCTS ............................................................................................................................... 5
2.1. GENERAL ................................................................................................................................. 5
2.2. MANUFACTURERS ................................................................................................................... 5
2.3. APPLICATION CONSIDERATIONS ............................................................................................. 5
2.4. CONDUITS ............................................................................................................................... 6
2.5. METAL RACEWAYS, BOXES AND CABINETS............................................................................. 7
2.6. OUTLET AND DEVICE BOXES ................................................................................................... 7
2.7. PULL, JUNCTION BOXES AND FITTINGS................................................................................... 7
2.8. TRUNKING SYSTEM ................................................................................................................. 9
2.9. CABINETS AND ENCLOSURES ................................................................................................ 10
PART 3 EXECUTION ............................................................................................................................ 11
3.1. EXAMINATION....................................................................................................................... 11
3.2. EQUIPMENT INSTALLATION REQUIREMENTS ....................................................................... 11
3.3. OUTLET BOXES ...................................................................................................................... 13
3.4. JUNCTION, PULL .................................................................................................................... 14
3.5. GROUNDING AND BONDING ................................................................................................ 14
3.6. CONNECTIONS....................................................................................................................... 15
3.7. EMPTY CONDUITS ................................................................................................................. 15
3.8. PROTECTION ......................................................................................................................... 15
3.9. CLEANING .............................................................................................................................. 16

section 260533-262716_ 2
24 OFFICE BLDG, EGYPT Electrical

SECTION 260533-262716- RACEWAYS, BOXES AND CABINETS

PART 1 GENERAL
1.1. RELATED DOCUMENTS

A. Drawings and General Provisions of the Contract, including General

Conditions, Conditions of Particular Application and Division 1
Specification Sections, apply to this Section.

1.2. SUMMARY

A. This section covers raceways, fittings, boxes, enclosures, and cabinets for
electrical wiring:

- Raceways include all types of conduits, trunking and duct bank

systems, such as Rigid Galvanized Steel (RGS), Rigid UPVC Conduit,
Flexible Conduit, Wireways, Surface Raceways, galvanized
trunking, rigid UPVC trunking, etc.
- Boxes, enclosures, and cabinets include the following devices:
floor boxes, pulling and junction boxes, cabinets and hinged cover
enclosures.

1.3. RELATED SECTIONS

A. These following sections contain requirements that relate to this section:

16050 Basic Electrical Materials and Methods

16060 Grounding and Bonding
16120 Wires and Cables
16139 Cable Trays
16140 Wiring Devices and Disconnectors

1.4. SUBMITTALS

A. Submit the following according to the Conditions of the Contract and

Division 1 Specification Sections:

- Material lists and equipment data

- Boxes, cabinets, conduits and duct assignments for application
- Shop Drawings showing components and wiring as to ensure
clearances and access provisions. Refer to cable sections (16120,
16124) for more details on cable laying, segregation and bundling
inside raceways, trunking and trays.
- Proof of conformance to applicable codes and standards

section 260533-262716_ 3
24 OFFICE BLDG, EGYPT Electrical

- Samples

1.5. QUALITY ASSURANCE

A. Products specified in this section should comply with IEC & local regulations for
components and installation.

B. Provide products specified in this section that are listed and labeled according to
IEC standards.

C. Where specified in other sections of Division 16, electrical equipment

manufacturer shall furnish the services of an authorized representative especially
trained and experienced in the installation of his equipment.

D. Coordinate layout and installation of raceways and boxes with other construction
elements to ensure adequate heady room, working clearance, and access.

END OF PART 1

section 260533-262716_ 4
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1. GENERAL

A. Materials and equipment to be provided shall be new and essentially the

standard catalogued products of a manufacturer regularly engaged in the
manufacture of the products.

2.2. MANUFACTURERS

A. Subject to compliance with requirements, manufacturers offering products

that may be incorporated in the work include, but are not limited to those
mentioned on the attached list of manufacturers.

2.3. APPLICATION CONSIDERATIONS

A. The specified products for raceways, boxes, and cabinets shall be used as
suitable to the environment. The following table shall be a general guide and
RACEWAY APPLICATION TABLE
No. Environment Raceways Boxes,
Enclosur
1. Dry locations, concealed (above EMT, FMC, NEMA es,
1 (IP20)
false ceiling) LFMC, UPVC Cabinets
2. Dry locations, exposed, subject to IMC NEMA 1 (IP20)
damage.
3. Dry locations, exposed, not subject IMC, FMC, NEMA 1 (IP20)
to damage. LFMC, UPVC
4. Wet locations, subject to damage. RMC NEMA 4, 4X (IP 56)
5. Wet locations, not subject to IMC, LFMC NEMA 4, 4X (IP 56)
damage.
6. Outdoor locations, exposed to rain RMC NEMA 3, 3R, 3S (IP
& windblown dust 54)
7. Outdoor locations, submerged RMC NEMA 6, 6P (IP 67)
8. Outdoor locations, embedded in UPVC -
oncrete, under concrete slab -
9. Underground, direct burial UPVC -
10. Industrial location, general EMT,FMC, NEMA 12,- 12K (IP
11. Industrial location, subject to LFMCLFMC
IMC, 52) 4X, 11 (IP56)
NEMA
12. corrosion location, subject to oil
Industrial RMC, LFMC NEMA 13 (IP 54)
and vapors
13. Hazardous Class I, Division 1 RMC, FMC NEMA 7, 8 (IP 40)
14. Hazardous Class I, Division 2 RMC,LFMC,FM NEMA 1, 7, 8, 12
15. Hazardous Class II, Division 1 C
RMC, LFMC (IP 52) 9 (IP 40)
NEMA
16. Hazardous Class II, Division 2 RMC, LFMC NEMA 1, 9,12 (IP
17. Hazardous Class III RMC, LFMC 52) 12 (IP 52)
NEMA

section 260533-262716_ 5
24 OFFICE BLDG, EGYPT Electrical

shows a complete list of environments and permissible products.

Legend:
EMT Electrical metallic tubing (1.6 mm,
3.7 kg per 3 m) FMC Flexible metal conduit
IMC Intermediate metal conduit (1.8 mm, 4.2 kg per 3 m)
LFMC Liquid tight flexible metal conduit
RMC Rigid (2.1 mm, 7 kg per 3 m)
UPVC Unplasticized polyvinyl chloride (flame retardant)

Notes

- Corrosion protection required for all metal conduits

- Fittings for purpose required for all conduits
- Aluminum materials not permitted

2.4. CONDUITS

A. Metal conduits shall be rigid galvanized steel (RGS) heavy gauge not less
than 20 mm diameter conforming to BS 4568 or IEC 60614, 1035 to ANSI
Standard C 80.1. Aluminum conduits will not be permitted. The surfaces and
threads shall be corrosion-resistant coated. All RGS conduit joints shall be
threaded using standard tapered thread. Each conduit length shall be
furnished with a coupling and a thread protection cap.

RGS conduits shall be used in technical rooms (such as electrical room,

HVAC
rooms, pump sump/room, kitchen, laundry, etc.) unless otherwise noted.
All joints and entries shall be screwed for an adequate length
(minimum
10 mm) and made tight. Running joints shall be provided with a
locknut.

B. Unplasticized Polyvinyl chloride (UPVC) conduits shall be rigid heavy

wall, 60°C, conforming to BS 4607 and BS 6099 and associated with
conduit fittings of same manufacturer. All conduits shall be of one type,
homogenous in cross-section and thickness, self-extinguishing, low
temperature and, ozone, corrosion and moisture resistant. Joints shall be
self-welded by applying a resolvent to the mating surfaces.

UPVC conduits shall be applied for the concealed installations (above

false ceiling) and embedded in ceiling or walls.
section 260533-262716_ 6
24 OFFICE BLDG, EGYPT Electrical

Use extra heavy wall unplasticized UPVC conduits for direct burial and
in slab-on-ground installations.

C. Liquid-tight flexible metal PVC insulated conduits shall be provided for

short connections to equipment as required. Liquid-tight conduit shall have
an interlocked flexible galvanized steel core. Male liquid-tight threaded
fittings shall be attached at each end and have an internal copper bonding
conductor wound spirally in the space between each convolution for the
equipment ground conductor by the Contractor. The ground conductor shall
be connected to the end of fittings with an approved connector or jumper.

Sizes of conduits shall be calculated by the contractor. Size of

conduits, shall be in accordance with the requirements of the IEC Code.
Minimum size of a conduit installed shall be 20 mm (inner diameter).

2.5. METAL RACEWAYS, BOXES AND CABINETS

A. Provide metal conduit outlet bodies, boxes, fittings, cabinets, gaskets and
covers for exposed conduit installations if indicated or required. The outlet
bodies, boxes, fittings, cabinets and covers shall be hot-dipped galvanized
steel unless otherwise specified, with threaded hubs, and sufficient size to
provide free space for all conductors that shall be enclosed.

2.6. OUTLET AND DEVICE BOXES

A. Provide boxes and fittings as indicated and required. Switch and outlet
boxes installed indoors and concealed shall be UPVC. All other boxes installed
outdoors and exposed shall be of the hot dip galvanized type with suitable
marked earth terminal. Each box shall have sufficient volume to
accommodate the number of conductors in the box, in accordance with the
requirements of the IEC. Boxes for installation in concealed raceway systems
shall be provided with conduit knock-out openings and extension rings or
plaster covers, permitting setting flush with the finished surfaces. For
exposed installation pull boxes shall be constructed of code gage galvanized
sheet metal, and shall be furnished with screw-fastened covers.

2.7. PULL, JUNCTION BOXES AND FITTINGS

A. Pull and junction boxes shall be of the same material and manufacturer as
conduits.

section 260533-262716_ 7
24 OFFICE BLDG, EGYPT Electrical

B. Boxes shall be provided with enough space and means for securely
terminating conduits and joining wires.

C. In case of heavy-moulded rigid UPVC, boxes shall be provided with brass

insert threads and fixed nuts to receive cover screw. Round boxes shall not be
used except in the ceiling slabs.

D. Boxes shall be of sufficient size to provide free space for all conductors
enclosed in the box.

E. In straight pulls, the length of box shall not be less than eight times the
trade diameter of the largest raceway.

F. In angle pulls, the distance between each raceway - entry inside the box
and the opposite wall of the box shall not be less than six times the trade
diameter of the largest raceway.

G. All junctions inside the boxes shall be in an adequate manner using

approved terminal blocks, or wire caps color-coded type and according to
number and size of wires to be joined.

- Covers and gaskets shall be provided for all conduit outlet bodies,
boxes and fittings. Covers shall be of the same materials and
manufacturer as boxes, equipped with neoprene gaskets and neatly
flush leveled to the wall.

- Plastic fittings shall be solvent-weld type, polyvinyl chloride and

match the conduit to which they shall be connected.

- Thread lubricant shall be provided for all metal conduit threads. The
lubricant shall inhibit corrosion and maintain grounding continuity.
- Couplings and elbows shall be of the same type and manufacturer
as the conduit to which they shall be connected unless otherwise
specified.
For metallic conduits, the couplings and elbows shall be steel,
hot-dipped galvanized, threaded and one-piece.
For plastic conduits, couplings and elbows shall have plain
ends for tight weld fits, which form watertight joints.
H. Switch and outlet boxes as well as junction and pull boxes installed indoors
and concealed shall be heavy gauge PVC type provided with screw-
fastened covers. Boxes installed outdoors and exposed shall be of
watertight hot-dipped galvanized steel type. Each box shall have sufficient
volume to accommodate the number of conductors in the box in accordance

section 260533-262716_ 8
24 OFFICE BLDG, EGYPT Electrical

with the requirements of "IEE Building Regulations". Ceiling and bracket

outlet boxes shall be heavy gauge PVC not less than 100 mm. Boxes for
installation in concealed raceway systems shall be provided with extension
rings or plaster covers permitting setting flush with the finished surfaces.

I. Unions shall be provided, as required, for conduit connections to

threaded outlet bodies, boxes and equipment, and for connecting two steel
conduits together. Union shall have ground metal-to-metal mating surfaces.

J. Locknuts shall be provided on the threads of conduits that enter

through close fitting openings in enclosures. Lock nuts shall have
notches all around for tightening with a screwdriver.

K. Metallic insulated bushings with ground terminals or metallic non-

insulated grounding bushings shall be provided on the ends of threaded steel
conduits and nipples that terminate through openings in sheet steel fittings
and enclosures. Malleable iron grounding bushings shall have smooth well-
rounded surfaces to protect conductor insulation.

L. Plugs shall be recessed type and installed in all unused conduit fittings,
hubs and couplings.

M. Spacer saddles for surface metal conduits shall be of mild steel with
bases of mild steel or malleable iron 3 mm thick.

2.8. TRUNKING SYSTEM

N.UPVC trunking shall be made of material that is resistant to moisture and
chemical atmospheres, flame-retardant, resistant to impact and crushing,
resistant to distortion from heat under conditions likely to be encountered in
service and resistant to low temperature effects.

O.The use of UPVC trunking shall be permitted in dry locations, and

prohibited where subject to severe physical damage, direct sun radiation or
ambient temperature exceeding 50 C.

P. The UPVC trunking and accessories (elbows, couplings and similar

fittings) shall be so designed that sections can be mechanically coupled
together without subjecting wires to abrasion. Holes for screws or bolts
inside the raceway shall be so designed that when screws or bolts are
installed; heads shall be flush with the non-metallic surface. If UPVC trunking
is made of 3 compartments each compartment should be isolated by epoxy
spray to prevent electro magnetic interference.

section 260533-262716_ 9
24 OFFICE BLDG, EGYPT Electrical

Q. Metal trunking shall be made of hot dipped galvanized sheet steel with
screw-on covers for interior work to BS4678, compartmented from inside
by spot-welded and painted fillets.

R. While stainless steel type with threaded hubs and gaskets shall be used for
outdoor and damp locations.

S. Metal wire ways where applicable, shall be of steel with a minimum of

1.5 mm thickness, complete with baked enamel finish, raceway knockout,
elbow fittings, screw-on covers, hangers, wire retainers and cabinet adapter
and sized as required.

2.9. CABINETS AND ENCLOSURES

A. For outdoor wet areas, electrical equipment enclosures shall be IP 56,
corrosion resistant, waterproof and dustproof. Indoor electrical equipment
enclosures shall be IP 42 dustproof for surface mounting and IP 30 for flush
mounting. Specific aggressive locations shall require suitable IP according to
IEC, unless otherwise indicated.

B. Factory Finishes: Unless otherwise specified in a specific Technical

Provisions, the sheet metal surfaces of electrical equipment enclosures shall
be epoxy coated externally and internally. The color shall be as
manufacturer standard. Hardware shall have a corrosion-resistant finish. Cast
metal outlet bodies, boxes, covers and fittings shall be finished with cadmium
zinc electroplate covered with aluminum cellulose lacquer.

In corrosive area, all surfaces of rigid steel conduit, cast metal

outlet bodies, covers, fittings, supports and clamps shall have a
polyvinyl chloride coating bonded to the outer surface, and the
hardware shall be stainless steel. In corrosive areas, sheet metal
enclosures and lighting fixtures shall have an outer coating of corrosion
resistant epoxy.

All metallic materials shall be protected against corrosion. Metallic

cases shall be given rust-inhibiting treatment and standard
finish by manufacturer. Aluminum shall not be used. All ferrous
metals such as anchors, bolts, braces, and miscellaneous parts not of
corrosion-resistant steel, shall be hot-dip galvanized in accordance
with BS/DIN or ASTM A123 or A153, except where other equivalent
protective treatment is specifically approved.
END OF PART 2

section 260533-262716_ 10
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION
3.1. EXAMINATION

A. Examine surfaces to install raceways, boxes enclosures and cabinets for

compliance with installation tolerances and other conditions affecting
performance of the raceway system. The Contractor shall not proceed with
installation until unsatisfactory conditions have been corrected.

3.2. EQUIPMENT INSTALLATION REQUIREMENTS

A. General: Provide all the equipment installation and wiring installation,

including connections as indicated, specified and required. Assure proper fits
for all equipment and materials in the space as shown on the Drawings.
Conduits installed underground shall be provided with preformed long radius
UPVC elbows encased in concrete. Liquid-tight lengths of flexible conduit
shall be used for connections to all motors and equipment subject to
vibration. Maximum conduit fill shall not exceed 40%.

B. Installation and Wiring: Conduits shall be concealed either within false

ceiling plenums or embedded in slabs, walls and floors. Conduits shall be
installed in accordance with the requirements of IEE Building Regulations.
Conduit runs shall be determined by the Contractor and agreed by the
Engineer before commencing work. Exposed interior conduits shall have
supports spaced 1.00 m, 1.5 m, 2.00 m apart for conduits 20 mm, 25 mm,
32 mm, respectively, with at least one support between couplings and be
installed parallel or perpendicular to walls, structural members or
intersections of vertical planes and ceilings with right-angle turns to be
made with symmetrical bends. Conduit shall be supported on approved
types of galvanized strap hangers, pipe straps or be secured by means of
expansion bolts on concrete, wood screws on wood or machine screws on
metal surfaces. Conduit supports shall be provided on each side of conduit
bends or elbows and not more than 0.5 m on each side of each outlet. Field-
formed bends and offsets shall be avoided where possible, but where
necessary shall be made with an approved conduit-bending means. In case,
the conduits to be installed are galvanized steel, the junction and pull
(draw) boxes shall be galvanized with galvanized locknuts and bushings
and full number of threads projecting through to permit the bushing to be
drawn tight against the box to ensure good electrical contact.

C. A minimum clearance of 300 mm shall be maintained for conduits that are

installed in the vicinity of uninsulated hot pipes or hot surfaces.

D. Sleeves and inserts shall be furnished and installed as required for

electrical work. Open conduit ends shall be carefully closed during
section 260533-262716_ 11
24 OFFICE BLDG, EGYPT Electrical

construction to prevent foreign materials from entering the conduit.

Conduits, which have been crushed or deformed in any way, shall not be
installed; or if so deformed after installation, shall be replaced. Where
conduits cross building joints, furnish and install, expansion fittings for
contraction, expansion and settlement 300 mm long, on both sides. Heavy
gauge rigid UPVC conduits running in the concrete slab shall be
interconnected with flexible UPVC conduits through the expansion joints.

E. Conduit buried in concrete shall have 35 mm depth of cover over its entire
length. Conduit shall not be installed in plastering layers.

F. A draw in (Pull) box shall be provided in all conduit runs exceeding 10 m

or containing more than two right-angled bends. Any unused opening shall
be plugged.

G. The length of thread (for galvanized steel conduits) at the ends shall suit
the length of the internal thread of the fitting or accessory. Excess length
shall not be allowed.

H. Fixings for surface mounted conduit boxes, accessory boxes and saddles to
concrete, brick, building blocks and similar materials shall be by means of
cadmium-plated steel screws and rawplugs.

I. The ends of conduits shall be cut straight and the length of screw
thread (for the galvanized steel conduits) shall be sufficient only to allow the
ends of the conduit to butt solidly in all couplings and against the shoulders
provided in conduit boxes.

J. The ends of galvanized conduits shall be carefully reamered to remove all

burrs or sharp edges after the screw threads have been cut. All dirt, paint or
oil on the screwed threads of the conduit and accessories shall be carefully
removed immediately prior to erection.

K. The number of running joints in conduit shall be kept to a minimum and

where installed locknuts shall be used to secure the sockets.

L. Where space permits their use, plain bends are preferred than elbows.
Maximum number of bends is 3 as total.

M. Draw-in boxes with wide flanged robust covers shall be used.

N.All joints in an assembly of conduit shall be painted after assembly with

two coats of moisture resisting paint. Arrangements shall be made, where
necessary to prevent the collection of moisture in conduit fittings.

section 260533-262716_ 12
24 OFFICE BLDG, EGYPT Electrical

O.Runs terminating in flexible conduit shall have the latter fitted with special
adaptors in accordance with the manufacturer's recommendations to ensure
a weatherproof connection and where applicable, earth continuity.

P. Where equipment is provided with a plain entry only, the conduit shall be
fixed by means of flanged couplings, lead washers and male brass brush.

Q. All conduits shall be swabbed through before wiring is commenced

and

R. cable shall not be drawn into any section of the system until all conduits
and draw boxes for that particular section are fixed in position.

S. Deep boxes or extension rings on standard circular conduit boxes shall be

used where necessary in order to bring the front face of each box flush with
the surface of the ceilings.

T. Nails shall not be used for fastening the boxes installed in concrete slabs.
The box shall be so constructed as to prevent contact between the
conductors in the box and the supporting screws.

U. Flush-mounted boxes shall be cast in concrete walls or grouted into hollow

masonry walls. Metal boxes threaded to raceways in exposed installations shall
be separately supported. Boxes installed in concealed conduit or raceway systems
shall be set flush with the finished surfaces. The location of all boxes shall be
easily accessible and any interference with mechanical equipment or structural
features shall be relocated as directed by the Engineer.

V. All circuit wires shall be tagged to indicate clearly the circuit number and
panel designation at each pull box or access point. Circuit wires in excess of
600 V shall have voltage identification.

W. Device plates shall be installed with all four edges in continuous contact
with finished wall surfaces without the use of mats or similar devices. Device
plates shall be installed vertically with an alignment tolerance of 2 mm.

3.3. OUTLET BOXES

A. Location of outlets shown on wiring plans shall be considered as
approximate and they shall be incumbent upon the Contractor, before
installing outlet boxes, to study all pertinent Drawings and obtain precise
information from the architectural schedules, scale drawings, large scale and
full size details of finished rooms, approved shop drawings of other trades or
from the Engineer. Equipment outlet boxes and the required termination shall
be obtained from the equipment suppliers with all the necessary dimensions.
The Contractor shall provide accordingly detailed shop drawings of suitable
section 260533-262716_ 13
24 OFFICE BLDG, EGYPT Electrical

scale for approval prior to installation. It shall be understood that any outlet
may be relocated a distance from the location shown on Drawings, if so
directed by the Engineer. The Contractor shall make any necessary adjustment
of his work to fit conditions for recessed fixtures and for outlets occurring in
glazed tile, block, terra cotta, marble, wood paneling or other special finish
material, in order that all boxes may register flush with finish and shall be
centered properly. In centering outlets, due allowance shall be made for
overhead piping, ducts, window and door trim, variations in thicknesses of
furring, plastering, etc., as erected, regardless of conditions which may be
otherwise shown on small scale Drawings. Outlets incorrectly located shall be
properly relocated at the Contractor's expense.

B. Outlet boxes for similar equipment shall be mounted at uniform heights

within the same or similar areas. Without any restrictions by Drawings or
instructions on Site, and except where they are located 250 mm above work
benches or positioned to suit a particular piece of equipment, switches and
socket outlets shall be mounted at 1.25 m and 300 mm from finished floor
level, respectively unless otherwise indicated on drawings.

C. All outlet boxes shall be securely fastened. Exposed outlet boxes shall be
attached to permanent inserts or lead anchors with machine screws.

D. All unused openings in outlet boxes shall be closed with knockout closers
manufactured for such purpose.

E. Blank plates for wall outlets shall be attached by a bridge with slots for
horizontal and vertical adjustment.

F. Outlet boxes shall be of shape and dimension suitable for their

application as used with switches, socket outlets, and lighting fixtures of the
various types and mounting methods applicable.

3.4. JUNCTION, PULL

A. Junction and pull boxes shall be located where required to facilitate pulling
of wires.

B. Boxes of adequate capacity shall be provided at every junction of the

conduit system and as required by the "IEE Building Regulations".

C. Pull-boxes shall be placed at a maximum spacing of 10 meters.

D. Concealed surfaces of hot dip galvanized steel junction, pull boxes shall be
given a heavy field application of emulsified asphalt prior to installation.

3.5. GROUNDING AND BONDING

section 260533-262716_ 14
24 OFFICE BLDG, EGYPT Electrical

E. Grounding type-insulated bushings shall be provided on steel conduits at all

distribution boards. The grounding bushings shall be bonded together and to the
equipment enclosure or, where provided, to the equipment ground bus. This type
of installation shall also be used at pull boxes to ensure ground continuity.

F. Effectiveness of grounding shall not be dependent upon the continuity

of the metal and a separate earth conductor shall run throughout the
conduit for this purpose.

G. Cable or conduit terminations at equipment shall be bonded to the

equipment by means of an earthing clip and suitable section of copper wire
or strip. This shall not be required where an item of electrical equipment is
provided with screwed entries. The bonding can be omitted (unless
otherwise indicated on Drawings or supplementary specifications)
providing the screwed connections are clean low-resistance joints.

H. Sizes of installed earthing conductor shall not be less than those

indicated in relevant regulations, codes of practice etc.

3.6. CONNECTIONS

I. All conduit connections shall be made up tight to provide good electrical

conductivity throughout the entire length of the conduit run including
flexible conduits.

3.7. EMPTY CONDUITS

J. All empty conduits shall be provided with suitable nylon rope or other
approved. Not less than 250 mm of slack shall be left at each end of the
conduit run. Empty conduits shall be tagged at each accessible end with a
plastic tag identifying the purpose of the conduit and the location of the
other end.

3.8. PROTECTION
K. The contractor shall exercise the necessary precautions to prevent the
lodgment of dirt, plaster or trash in conduit, fittings and boxes during the
course of installation. A run of conduit, which has become clogged, shall be
entirely freed of these accumulations or shall be replaced. Open conduit
ends shall be carefully closed during construction to prevent foreign
materials entering the conduit. Conduits, which have been crushed or
deformed in any way, shall not be installed; or if so deformed after
installation, shall be replaced.

In Case of coatings and finishes damage:

section 260533-262716_ 15
24 OFFICE BLDG, EGYPT Electrical

- Repair damage to galvanize finished with what is

recommended by manufacturer.
- Repair damage UPVC or paint finishes layer with
matching touchup coating recommended by the
manufacturer.

3.9. CLEANING

L. Upon completion of installation of system including outlet fittings and

devices, inspect exposed finished and remove burrs, dirt and construction
debris and repair damage finish including clips, scratches and abrasions.

M. Repair damage using matching touch-up coating recommended by the

manufacturer.

END OF PART 3

END OF SECTION 260533-262716

section 260533-262716_ 16
24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 260536- CABLE TRAYS

Section 260536_ 1
24 OFFICE BLDG, EGYPT Electrical

Table of Contents
PART 1 GENERAL ......................................................................................................................................................... 3
1.1. RELATED DOCUMENTS ................................................................................................................................... 3
1.2. SUMMARY....................................................................................................................................................... 3
1.3. SUBMITTALS.................................................................................................................................................... 3
1.4. QUALITY ASSURANCE...................................................................................................................................... 4
1.5. SEQUENCING AND SCHEDULING .................................................................................................................... 4
PART 2 PRODUCTS .................................................................................................................................................. 5
2.1. MANUFACTURERS .......................................................................................................................................... 5
2.2. MATERIALS AND FINISHES .............................................................................................................................. 5
2.3. SIZES AND CONFIGURATIONS ......................................................................................................................... 5
2.4. CABLE TRAY ACCESSORIES .............................................................................................................................. 6
2.5. FIRE STOPPING ................................................................................................................................................ 6
2.6. WARNING SIGNS ............................................................................................................................................. 6
2.7. PERFORATION ENGINEERING ......................................................................................................................... 7
2.8. CABLE SADDLES............................................................................................................................................... 7
2.9. 2END CAPS ...................................................................................................................................................... 7
2.10. SOURCE QUALITY CONTROL ........................................................................................................................... 7
PART 3 EXECUTION ................................................................................................................................................. 8
3.1. GENERAL ......................................................................................................................................................... 8
3.2. INSTALLATION................................................................................................................................................. 8
3.3. GROUNDING ................................................................................................................................................... 9
3.4. WARNING SIGNS ............................................................................................................................................. 9
3.5. FIELD QUALITY CONTROL.............................................................................................................................. 10
3.6. CLEANING ..................................................................................................................................................... 10
3.7. PROTECTION ................................................................................................................................................. 10

Section 260536_ 2
24 OFFICE BLDG, EGYPT Electrical

SECTION 260536- CABLE TRAYS

PART 1 GENERAL

1.1. RELATED DOCUMENTS

A. Drawings and General Provisions of the Contract including General Conditions,
Conditions of Particular Application and other Sections of Division-1, apply to work
of this Section.

1.2. SUMMARY
A. This Section covers cable trays and accessories as required by the Contract and the
following section contain requirements that relate to this Section:

16050 Basic Electrical Materials and Methods

16060 Grounding and Bonding
16120 Wires and Cables
16124 Medium Voltage Cables
1.3. SUBMITTALS
A. Submit the following according to the Conditions of the Contract and
Division-1 Specification Sections:

• Sample for trays, fittings and cover

• Sample for fire barriers
• Sample for tray warning signs
• Sample for cable saddles
1. Product Data: Show tray types, dimensions, and finishes.
• Show the applicable reference code (IEC or similar)
• Show the loading curves
• Show the recommended fixing and supporting intervals
• Show the recommended accessories for each specific mounting with proper
screw sizes and similar
• Show the perforation details at bottom and inside of cable tray
• - Submit proof of conformance to the applicable code as source quality control
2. Shop Drawings: To scale 1:50 detailing the installation of main cable trays, including
plans, sections, and attachment to other construction elements, to show the supporting
intervals and inside clearances as suitable to actual assigned cables and weights as per
selected manufacturer’s recommendations.
In general:
• Where multi-core cables are installed in ventilated cable trays, the sum of the
Section 260536_ 3
24 OFFICE BLDG, EGYPT Electrical

diameters of all cables installed shall not exceed 90 percent of the cable tray
width and the cables shall be installed spaced in a single layer.
• Where multi-core cables are installed in solid bottom cable trays, the sum of
the diameters of all cables installed shall not exceed 80 percent of the cable tray
width and the cable shall be installed spaced in a single layer.
• Refer to cable sections (16120, 16124) for more details on cable laying,
segregation and bundling inside cable trays and raceways.
3. Coordination Drawings: Floor plans drawn to accurate scale. Show
accurately scaled cable tray layout and relationships between components and
adjacent structural and mechanical elements.

1.4. QUALITY ASSURANCE

A. All cable tray and components shall be the product of a single
manufacturer.

Supplier should be experienced in manufacturing cable trays similar to

those indicated for this project and has a record of successful in-service
performance. Those products shall be listing and labeling as per IEC Code.
1.5. SEQUENCING AND SCHEDULING
A. Contractor should coordinate layout and installation of cable trays with other
trades and installation. Revise location and elevations as required to suit field
condition and as approved by the Engineer.

END OF PART 1

Section 260536_ 4
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1. MANUFACTURERS
A. Available manufacturers are subject to compliance with
requirements and included in the attached list of manufacturers.

2.2. MATERIALS AND FINISHES

A. Cable trays, fittings and accessories shall be post fabricated heavy
gauge hot-dip galvanized, manufactured from mild steel sheets of
thickness not less than 2 mm for above 400 mm width. Trays shall not
present sharp edges, burrs or projections injurious to the insulation or
jackets of cables. Fixing brackets shall be hot-dip galvanized. Cable
trays shall be epoxy coated externally and internally for corrosion
protection.

B. All cable tray sections shall be close return flange type, legibly and
durably marked to show the manufacturer name or logo.

C. Successful manufacturer shall have his logo engraved or bossed to the

tray and a strengthen means along the tray width by forming smooth
left and right corrugation in its base (not just 4 shape).

D. Cable tray sections, fittings and connected raceways shall be bonded

using bolted mechanical connectors or bonding jumpers sized in
accordance with (IEE) regulations.

2.3. SIZES AND CONFIGURATIONS

A. Sizes and configuration shall be as per table below and comply with IEC
Code. Cable trays shall carry the installed cable weight with an
allowance for future cable load of about 25% of the existing cable plus
the weight of a tradesman standing at midspan on tray (about 80 kg) at
the expected locations.

1. Ladder-Type Trays

Width: 100 mm
150 mm
200 mm
300 mm
Section 260536_ 5
24 OFFICE BLDG, EGYPT Electrical

400 mm
600 mm
800 mm

Inside Depth: 100 mm

Cross-Rung Spacing: 300 mm

2. Perforated-Type Trays

Width: 100 mm
150 mm
200 mm
300 mm
400 mm
600 mm
800 mm
Inside Depth: 100 mm
2.4. CABLE TRAY ACCESSORIES

A. Cable tray fittings, bends, tips, etc., shall be supplied by the same cable
tray manufacturer and from the same material and finishing as cable
trays. Site fabricated accessories shall not be accepted.

2.5. FIRE STOPPING

A. Provide suitable internal asbestos-free fire-resisting barriers (mortar
type) where trays pass through floors, walls, or partitions, for not less
than 120 min. retarding and according to international standards.

B. In selecting materials for use as fire stops, some important factors such
as gas tightness, poisonous gases or fumes developed during
installation or during a fire, and heat dissipation are to be considered.
Spray coating of fire resisting material (30 min. retarding) shall be
applied on cables for at least 1.5 meter on both sides of the fire stop
barrier.

2.6. WARNING SIGNS

A. All visible cable trays shall have approved durable type
conspicuously located warning signs reading "WARNING! NOT TO BE
USED AS WALKWAY,LADDER, OR SUPPORT FOR LADDERS OR
PERSONNEL", and shall be readable at 8-meter distance. All
warning signs shall be in Arabic / English. Sign's lettering shall be black
Section 260536_ 6
24 OFFICE BLDG, EGYPT Electrical

on yellow background and 40 mm high.

2.7. PERFORATION ENGINEERING

A. The perforation details shall provide both adequate heat
dissipation and adequate strength or rigidity to the bottom and sides
of cable trays.

2.8. CABLE SADDLES

A. Cable installed on trays shall be secured by means of PVC covered
metal saddles. Cable should be clamped to the tray at 3m intervals
horizontally or 0.9m vertically.

2.9. 2END CAPS

A. Plastic end caps for cable trays and tray support sall be providee, to
avoid personnel injury.

2.10. SOURCE QUALITY CONTROL

A. Where materials are specified to be constructed and/or tested in
accordance with the standards of International Electro-technical
Commission (IEC), or other approved standards, proof of such
conformance shall be submitted for approval.

END OF PART 2

Section 260536_ 7
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1. GENERAL
A. Provide cable trays with the indicated types and sizes as per the
approved shop drawings, complete with manufacturer's
recommended covers, fire barriers, strips, dropouts, fittings, bolts,
conduits adapters, hold-down devices, supports, connectors, bonding
jumpers, etc.

3.2. INSTALLATION
A. General: Cable trays shall be installed (level and plumb) as indicated
and according to manufacturer's written instructions and reference
standard. Cable tray shall be supported at not more than 1.5 m
intervals, and/or in accordance with manufacturer's instructions and
Engineer's approval. Supports for horizontal elbow trays fittings shall
be placed within 0.2 m of each fitting extremity. Remove burrs and
sharp edges of cable trays. Unless otherwise indicated, cable tray
supports shall be securely fastened to the building structure.

3. Cable trays shall be installed as a complete system.

4. Cable trays shall be fixed to the purpose made brackets, which shall
be fixed to channel inserts where they are provided and/or direct to
the structure by means of sheradised steel rawlbolts.

5. Trays shall be supported every 1.5 m and not more than 200 mm from
bends or intersections. Elbows shall be provided and no sharp bends are
accepted.

6. Each run of cable tray shall be completed before the installation of cables.

7. Cables shall not be bent at a radius of less than ten times their
overall diameter.

8. Sufficient space shall be provided and maintained above cable trays

to permit adequate access for installing and maintaining cables.

9. Cable trays shall be installed at a vertical distance not less than 300
mm from ceiling, from each other and from other pipe runs.
10. Before installation, the Contractor shall submit to the Engineer
for his approval mounting detail drawings to scale of 1:50 in plans and
sections for all cable tray runs.

Section 260536_ 8
24 OFFICE BLDG, EGYPT Electrical

11. In any case site fabrication is not accepted.

12. All vertical runs or outside installation of perforated cable trays

should be covered by suitable cover of same material of cable tray.

B. Installation Requirements: Supports shall be designed to carry

the greater of the calculated loads with an allowance for future load
about 25% of the existing weight plus a tradesman standing at mid
span on tray about 80 kg at the expected locations Make connections
to equipment with flanges fittings fastened to the tray and to the
equipment. Support the tray independently of fitting. Do not carry
the weight of the tray on the equipment enclosure.

Provide adequate supports for cables leaving or entering the tray

individually to prevent stress on cables.

Install expansion connectors in cable tray runs that exceed 30 m.

Space connectors and set gaps according to IEC.

Change in direction, elevation and cable tray connection shall be in

accordance with manufacturer's instruction and by standard fittings, of
same manufacturer.

Locate cable tray above piping except as required for tray accessibility and
otherwise indicated and providing sufficient space to permit access for
installing cables.

Cable trays for different systems (for power, communications and data
processing cables), and different insulation levels (600 V and 11 or 20 kV)
to be installed separately.
3.3. GROUNDING
A. All cable trays shall be properly grounded by means of a low-
resistance conductor of sufficient capacity (but in no case smaller than
16 mm2 copper). The effective grounding shall be permanent and
continuous, with an impedance sufficiently low to limit the potential
above ground and to facilitate operation of over current devices
in the associate circuit.

Groundings and bondings of cable trays shall be in accordance with IEC.

3.4. WARNING SIGNS

Section 260536_ 9
24 OFFICE BLDG, EGYPT Electrical

A. After installation of cable trays is completed, install warning signs

in a visible location on or near cable tray according to the engineer
instructions.

3.5. FIELD QUALITY CONTROL

A. Provide checking, and testing on the installations including the
following:

1. Check: All routes shall be checked to assure connections and supports.

2. Grounding: Test cable tray to ensure electrical continuity of bonding
and grounding connections.
3. Anchorage: Test pullout resistance of one of each type, size
and anchorage material toggle bolts and powder-driven threaded
studs.
4. Defects: Correct malfunctioning units at site, where possible, and
retest to demonstrate compliance, otherwise, remove and replace with new
units and retest.

3.6. CLEANING
A. Upon completion of installation of system, including fittings, inspect
exposed finish. Remove burrs, dirt, and construction debris and repair
damage in quality and color to the original factory finish and with
manufacturer's recommendations.

3.7. PROTECTION
A. Provide final protection and maintain conditions in a manner
acceptable to manufacturer to ensure that cable tray is without
damage or deterioration at substantial completion.

B. Repair damage to galvanized finishes with paint recommended by the

tray manufacturer.

END OF PART 2

END OF SECTION 260536

Section 260536_ 10
24 OFFICE BLDG, EGYPT Electrical

SECTION 260553- ELECTRICAL IDENTIFICATION

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and General Provisions of Contract including General

Conditions, Conditions of Particular Application and Division-1
Specification Section, apply to this Section.

1.2 SUMMARY

This Section covers the identification of electrical materials,

equipment, accessories, and installation.

1.3 SUBMITTALS

Submit the following in accordance with Conditions of the Contract and

Division-1 Specification Sections.

1.3.1 Product Data: Submit product data of each item according to

the conditions of the contract and Division-1 specification sections.

1.3.2 Submit complete samples including color, lettering style, and other
graphic representation required for identification materials, also sample
of labels and signs.

1.4 QUALITY ASSURANCE

The materials, type, color-lettering style shall comply with local codes and
IEC standards.

1.5 SEQUENCING AND SCHEDULING

Electrical identification shall be installed according to execution

condition i.e. it shall be fixed after completion of finishing where
it is applied to field-finished surfaces, or during the construction
such as cable installation, cable tray, power center and switchboard.

Section 260553- _ 1
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 MANUFACTURERS
Approved manufacturer is subject to compliance with the
requirements of the project, and shall be included in the attached list
for manufacturers.

2.2 RACEWAY AND CABLE LABELS

Unless otherwise specified elsewhere in Division 16:

- Identification on the conductors and cables shall be as a part of

cable insulation, continuous and include the type, voltage,
manufacture date and name of the manufacturer.
- For cables/wires identification and marker refer to Section 16120.
- Raceway identification.
- Use single type for each application category.
- Conform to IEC code for minimum size of letters and minimum
length of color field for each raceway and cable size.
- Color: black legend on orange field.
- Legend: shall indicate voltage and

service. Types of identifications:

Self-adhesive vinyl tape not less than 0.08 mm thick by 25 to 51 mm

wide can be used and shall be color-coded.

Underground line wiring shall be permanent, bright, colored,

continuous- printed, vinyl tape with 152 mm wide by 0.102 mm thick
in size.

Adhesive Labels: preprinted, flexible, self-adhesive vinyl. Legend is

over laminated with a clear, weather and chemical-resistance
coating.

Aluminum Tags: metal with stamped legend, punched for

fastener. Dimension 51 by 51 mm and 1.3 mm thick.

2.3 ENGRAVED NAMEPLATES AND SIGNS

Identification shall be provided, for each motor starter, cabinet, panel

board, transformer, power distribution apparatus and each major piece

Section 260553- _ 2
24 OFFICE BLDG, EGYPT Electrical

of equipment.

This identification shall indicate clearly the circuit number, panel

designation, voltage, etc. Identification of devices shall be as per
manufacturers standard system with addition of functional
descriptions per item. The designations of nameplates shall be
submitted for approval with shop drawings. Nameplates shall be 2-
layer black-white, engraved to show black letters on white
background. Letter shall be upper case of suitable height. Edge
nameplates shall be beveled. Nameplates shall be fastened by
means of non-ferrous metal or stainless steel screws.

Use warning signs for all electrical equipment and power distribution
apparatus operating at a voltage higher than 220 V approved
durable type

conspicuously-located showing the electrical voltage warning sign

reading in English and Arabic. For example “Danger Electrical Voltage
380 V”.

Section 260553- _ 3
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSPECTION

Examine site conditions where the electrical identification

materials shall be installed. Do not proceed with
installation until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

3.2.1 Install identification devices according to manufacturer’s written instructions.

Install labels where indicated and at locations for best

convenience of viewing without interference with operation and
maintenance of equipment.

3.2.2 Lettering, Colors, and Graphic: Coordinate names,

abbreviations, colors, and other designations used for electrical
identification with corresponding designations used in the Contract
Documents or required by Codes and Standards. Use consistent
designations throughout the Project.

Sequence of Work: Where identification is to be applied to a

surface requiring finish, install identification after completion of
finish work.

Self-adhesive Identification Products: Clean surface of dust,

loose material, and oily films before applying.

3.2.3 Identify Raceways and Exposed Cables of Certain Systems with

Color Banding: Band exposed and accessible raceways of the
systems listed below for identification.

- Bands: Pretensioned, snap-around, colored plastic sleeves;

colored adhesive tape; or a combination of both. Make each color
band (51 mm) wide, completely encircling conduit, and place
adjacent bands of 2-color marking in contract, side by side.
- Locate bands at changes in direction, at penetrations of walls and
floors, (15 m) maximum intervals in straight runs, and at (7.6 m) in
congested areas.

3.2.4 Colors

Mechanical and Electrical Supervision System: Green and

blue

Section 260553- _ 4
24 OFFICE BLDG, EGYPT Electrical

Install Caution Signs for Enclosure Over 220 V: Use pressure-

sensitive, self-adhesive label indicating system voltage in black,
preprinted on orange field. Install on exterior of door or cover.
Install Circuit Identification Labels on Boxes: Label externally for
the following:

- Exposed Boxes
- Concealed Boxes
- Labeling Legend

Identify Paths of Underground Electrical Lines: During

trench backfilling, for exterior underground
power, control, signal, and communications
lines, install continuous underground plastic line marker located
directly above line 300 mm below finished grade. Where multiple
lines are installed in a common trench or concrete envelope, use
more than one marker to cover all the lines.

3.3 COLOR-CODE CONDUCTORS

Secondary service, feeder, and branch circuit conductors

shall be throughout the secondary electrical system.

Color codes shall be as specified in Section 16120 “Identification of

Low
Voltage Wire and
Cables”.

Factory-apply color to the entire length of the conductors. The

following field-applied, color-coding methods must be used in
addition to factory- code for all electrical cables and wires.

- Power Circuit Identification: Use metal tags or aluminum

wraparound marker bands for cables, feeders, and power
circuits in vaults, pull boxes, junction boxes, manholes, and
switchboard rooms.
- Legend: (6.4 mm) steel letter and number stamping or
embossing with legend corresponding to indicated circuit
designations.
- Fasten tags with nylon cable ties; fasten bands using integral
ears.
- Apply identification to conductors as
follows:

• Conductors to be extended in the Future: Indicate source

Section 260553- _ 5
24 OFFICE BLDG, EGYPT Electrical

and circuit numbers.

• Power or Lighting Circuits in the Same Enclosure: Identify
each conductor with source, voltage, circuit number, and
phase. Use color- coding for voltage and phase indication of
secondary circuit.
• Control and Communication Circuits in the Same Enclosure:
Identify each conductor by its system and circuit
designation. Use a consistent system of tags and color-
coding.
- Apply warning, caution, instruction signs and stencils as follows:
• Install warning, caution, and instruction signs where indicated
or required 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 or explanations are
needed for system, equipment operation and optimum
setting for system control.
• Emergency-operating Signs: Install engraved laminate
signs with white legend on red background with minimum
(9-mm) high lettering for emergency instructions on
power transfer, load shedding, and other emergency
operations.

- Install Identification as
follows:

Apply equipment identification labels of engraved plastic laminate

on each major unit of equipment, including central or master unit
of each system. This includes communication, signal, and alarm
systems, unless units are specified with their own self-explanatory
identification. Except as otherwise high label; where 2 lines of text
are required, use 51 mm high lettering. Use white lettering on
black field. Apply labels for each unit of the following categories
of equipment.

• Panel boards, electrical cabinets, and enclosures

• Access doors and panels for concealed electrical items
• Electrical switchgear and switchboards
• Electrical substations
• Motor control centers
• Motor starters
• Push-button stations
• Power transfer equipment
Section 260553- _ 6
24 OFFICE BLDG, EGYPT Electrical

• Contactors
• Remote-controlled switches
• Control devices
• Transformers
• Inverters
• Rectifiers
• Frequency converters
• Battery racks
• Power generating units
• Telephone switching equipment
• Clock/program master equipment
• Call system master station
• TV/audio monitoring station or control panel
• Security-monitoring master station or control panel
Apply designating labels of engraved plastic laminate for disconnect
switches, breakers, push buttons, pilot lights, motor control centers,
and similar items for power distribution and control components
above, except panel boards and alarm/signal components where
labeling is specified elsewhere. For panel boards, provide framed,
and typed circuit schedules with explicit description and
identification of items controlled by each individual breaker.

END OF SECTION 16195

Section 260553- _ 7
24 OFFICE BLDG, EGYPT Electrical

SECTION 261000- RING MAIN UNIT

PART 1 GENERAL

1.1 SCOPE

This section covers Ring Main Unit, which shall be furnished and
installed as specified herein and as indicated on the drawings.

Equipment furnished and installed under this section shall be

fabricated, assembled, erected, and placed in proper operating
condition in full conformity with the drawings, specifications,
engineering data, instructions, and recommendations of the
equipment manufacturer unless exceptions are noted by the
Engineer.

The Contractor is responsible to obtain the approval (before

delivering) for the manufacturer, type, voltage, protection devices,
meters, etc. from the electrical distribution company whose
additional requirements shall be considered without any extra cost
to the contract.

1.2 REFERENCES

1.2.1 Governing Standards: Except as modified or supplemented

herein, all equipment and materials required in this section including
their installation shall conform to the applicable requirements of the
following standards. Standards current at the time of tender shall be
used.

International Electro-technical Commission

IEC No.

60298 A/C Metal Enclosed Switchgear and Control Gear for Rated
Voltages Above 1 kV and up to and Including 52 kV
60265 High-Voltage Switches
60694 Common Specifications for High Voltage Switchgear and Control
Gear Standards

1.3 COORDINATION
All equipment specified under this section shall be furnished by or
through a single manufacturer who shall be responsible for the
design, coordination, testing, and satisfactory performance of all the
components.

1.3.1 Man u facture's Field Services : An experience, competent, and

Section 261000 _ 1
24 OFFICE BLDG, EGYPT Electrical

authorized representative of the substation manufacturer shall visit

the site of the Work and inspect, check, adjust if necessary, and
approve the
installation of the substation. The manufacturer’s representative
shall be present when the equipment is energized and placed in
operation. The
manufacturer’s representative shall revisit the job site as often as
necessary until all deficiencies are corrected and the substation
installation and operation are satisfactory in the opinion of the
Engineer.

The manufacturer’s representative shall furnish to the Engineer, a

written report certifying that each substation has been properly
installed and adjusted; and that is operates satisfactorily.

All costs for these services shall be included in the Contract Price as
stated in the Bill of Quantities.

1.3.2 Coordination Study: When required, a coordination study of the

power distribution system will be conducted in accordance with Section
16050, Electrical Materials and Method.

The equipment manufacturer shall provide the following information

to the
Engineer with the initial equipment shop
drawings:

Protective relay coordination curves for each relay provided as a part

of the unit substation assembly.

Protective fuse curves for each current-limiting fuse provided as a

part of the RMU assembly.

Within 28 days after the return of the initial equipment shop drawing
submittal, the equipment manufacturer shall provide the above
information to the Contractor in accordance with Section 16050,
Electrical Materials and Method.

1.4 QUALITY ASSURANCE

1.4.1 Man u f acturer’s E xp erience : Each Ring Main Unit (RMU) shall
be a product of RMU manufacturer who has designed, fabricated,
and furnished equipment of the type and size specified which
has been successfully installed for a period of not less than five or
ten years.

1.4.2 Shop Tests: All standard factory tests, including quality control tests,
Section 261000 _ 2
24 OFFICE BLDG, EGYPT Electrical

shall be performed on the RMU. Four certified copies of test

results shall be submitted to the Owner Representative before the
equipment is shipped.

1.5 SUBMITTALS

Submit the following in accordance with the requirements set forth at the
Conditions of Contract.

1.5.1 Drawings and Data: Complete drawings, details, and

specifications covering the equipment furnished under this section
shall be submitted.

Complete and accurate drawings of the equipment, including plan,

front, and sectional or side views, and base plans showing anchor
bolt locations and base details, shall be provided.

Within 90 days after the Notice to Proceed, the Contractor shall

furnish outline drawings and dimensional data which fully describe
the projected floor space required for the equipment; the absolute
minimum working space required at the front, rear, and sides of the
equipment; the equipment height; and the equipment weight.

1.5.2 Operations and Maintenance Manuals/Charts and Spare Parts

Data: Complete operations and maintenance manuals/charts
including spare parts data and wiring diagrams of all equipment
furnished under this section.

1.6 DELIVERY, STORAGE AND HANDLING

1.6.1 Delivery Schedule: Delivery schedule of the RMU shall be coordinated

with the Engineer and the Contractor. A copy of all correspondence and
memoranda regarding delivery of each RMU beyond point of
manufacture to the construction sites shall be submitted as required at
the Conditions of Contract.

1.6.2 Storage: Supplementing the storage requirements described in Section

01600, Product Requirements, the manufacturer shall acknowledge
storage conditions at the time of submitting his Tender. The
equipment may not be operational within 90 days after
manufacture, and the manufacturer shall crate and prepare the
equipment for export transportation and long-term storage.
Precautionary measures for prolonged storage shall be provided by
the manufacturer at the factory. The Contractor shall be
responsible for storage and maintenance of the protective measures
as recommended and instructed by the manufacturer while stored at
Section 261000 _ 3
24 OFFICE BLDG, EGYPT Electrical

the storage site.

Electrical equipment, controls and insulation shall be protected

against moisture or water damage. All space heaters provided in the
equipment shall be kept connected and operating at all times until
equipment is place in service.

In additions to the protection specified for prolonged storage, the

packaging of spare parts shall be prepared for export packing and shall
be suitable for long-term storage in a damp location. Each spare
item shall be packed separately and shall be completely identified on
the outside of the container.

Instructions for the servicing of equipment while in long-term or

prolonged storage shall accompany each item of equipment.
Advisement of enclosed instruction with each package shall be noted
on the exterior of the package and shall be in the Arabic and English
languages.

1.7 WARRANTY

The Maintenance Period for the equipment and appurtenances shall

begin when the performance test on the equipment and
appurtenances has been successfully completed and preliminary
accepted as stipulated in the Conditions of Contract.

1.8 INSTRUCTIONS AND TRAINING ON OPERATION AND MAINTENANCE

Contractor shall provide instructions and training for the staff to

be assigned in the operation and maintenance of the equipment
specified under this section. Training and instructions shall be in
accordance with the requirements set forth at the Conditions of
Contract.

Section 261000 _ 4
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 PERFORMANCE AND DESIGN REQUIREMENTS

2.1.1 System Characteristics: The system will be rated at 24 KV, 3-Phase, 50

Hz. The approximate fault current shall be 500MVA unless otherwise
as shown on the drawing.

2.1.2 Station Criteria: Two/three SF6 Load break switches with earthing
switch mechanically interlocked.

One automatic SF6 fused load break switch or SF6 circuit breaker (as
per electrical distribution company and as shown on drawings) to
feed the power transformer or SF6 insulated circuit breaker.

Earth leakage indicator with ferranti C.T.

Complete with bus bars and supporting

insulators

Complete with copper earthing bar and there shall be a 25 mm2

earthing copper braid install from each earthing switch to earthing
bar

2.2 COMPONENTS

2.2.1 RMU Enclosure: Enclosure shall be made of steel sheet 2.5 mm

thick before paint and treated against rust and provided
with priming, intermediate and finishing coats of electrostatic
painting powder from inside and outside.

Each switch shall be enclosed in a special compartment with its own

door which have device to prevent self-closing. The door shall be
interlocked with the LBS such that it can’t be opened unless the LBS is
open. Door shall have a rubber sealing gasket.

Degree of protection shall be at least (IP

4X).

All bus bars shall be electrical copper of section not less than 400
mm2, mounted on support insulators enough to withstand
mechanical forces which may happen due to short circuit 25 kA
r.m.s. at 24 kV for 1 sec.

Each switch compartment shall be equipped with suitable clamp

or any other mean for supporting and fixing the cable or end box.

Section 261000 _ 5
24 OFFICE BLDG, EGYPT Electrical

All wiring shall be in PVC

conduits.

Each switch board shall be supplied with a delachable insulated

operating
handle ≥ 650
mm.

Switchboard design shall be according to IEC 60298

standards.

Detailed drawings and technical specifications shall be attached with

the offer.

2.2.2 Load Break Switches: Load break switch and its

mechanically interlocked earthing switch shall be SF6 insulation.

Voltage and Current Ratings

Rated Voltage Un 24 kV
Basic Impulse Level U1 125 kV
Power Frequency Withstand Voltage 40 kV
Rated Current 630/400 A
Rated Short-time Withstand Current 1 sec
40 kA
Rated Making Withstand Current peak 100 kA
Inductive Breaking Current 10 A
Capacitive Breaking Current 40 A for Cable L.B.S.

Specifications and tests shall comply with IEC 60265 for cable
switch disconnector (L.B.S.).

There shall be an earthing switch with each cable L.B.S.

The earthing switch shall be manual operated with mechanical lock

which prevents its switching while the main switch is on.

When fuse LBS switches are used then two earthing switches shall be
used. One above fuse and one below fuse. All LBS shall be
equipped with permanent voltage presence lamps.

The rated short-time withstand current of the earthing switch

shall be at least equal to that assigned to the disconnector (L.B.S.)
Section 261000 _ 6
24 OFFICE BLDG, EGYPT Electrical

The peak withstand current of the earthing switch shall be at least

equal to that assigned to the disconnector (L.B.S.)
Cable L.B.S. shall also fulfill the conditions for isolating distance
acc. to
IEC 60129 prescribed for
isolators.

At the side of the fused switch compartment shall be the outlet of 3

core XLPE cable. That side shall be equipped with an insulating
backelite plate with three holes to pass the XLPE cables outside to
the transformer. The level of this backelite plate shall be ≥ 200 mm
over the bottom, from outside, the place of the backelite plate shall
have a cover of the same sheet steel bolted with detachable bolts.
Depth of cover ≥22 cm.

The contractor shall submit type tests certificates for the

offered equipments according to IEC.

Routine tests shall be in accordance with IEC and shall be

attended by
Employer’s
representative(s).

2.2.3 Earth Fault Indicators: 220 V, 50Hz, Automatic reset type complete
with ferranti current transformer, which will be erected around the
cable sheath, according to the specification.

The earth fault indicators shall be mounted inside a metal or fiber-

glass box with an opening to show the indicator flag.

2.2.4 Current Limiting Fuses: 24 KV H.R.C. FUSES (if required)

Conditions in Normal Services

Maximum ambient air temperature 45°C

Mean temperature measured over 24 hours
35°C

Average value of relative

humidity:

Measured during a period of 24 hours < 95%

Measured during a period of a month <90%

To withstand effect of humidity and occasional condensation

outdoor fuses shall be used indoor.
Section 261000 _ 7
24 OFFICE BLDG, EGYPT Electrical

40 kA Breaking
Capacity

A powder filled fuse-link shall not emit flame or powder although a

minor emission of flame from a striker is permissible, provided
this does not cause breakdown or significant electrical leakage to
earth.

After the fuse has operated, the components of the fuse apart from
these intended to be replaced after each operation shall be in the
original state.
It shall be possible to remove the fuse-link in one piece after
operation.

Strikers shall comply with the requirements specified in Sub-clause

18.3 of
IEC 60282-1.

The values of cut-off current corresponding to each prospective

breaking current shall not exceed the values corresponding to the
cut-off characteristics given by the manufacturer.

After operation, the fuse shall be capable of withstanding the power

frequency recovery voltage across its terminals.

Fuse Ratings
Rated Voltage 24 kV
Rated Frequency 50 Hz
Rated Current as shown on drawings
Rated Breaking Capacity ≥ 40 kA

Features Required
The fuse links shall have the dimensions as per attached

spec. The fuse link contacts shall be silver-plated.

The fuse link body shall be of porcelain.

On each fuse link the badge of the Employer shall be printed.

Each fuse link shall be equipped with a striker, which complies with
Sub- clause 18.13 of IEC 60282-1.

Time-current characteristics shall be in compliance with IEC 60282-1

and shall be offered with tender.
Section 261000 _ 8
24 OFFICE BLDG, EGYPT Electrical

2.2.5 Instrument Transformers and Control Switches: Instrument

transformers shall be sized for burden requirements of connected
meters with accuracy Class as follows:

Current Transformers (CT's): Class 0.5 for metering and 1.0

for protection n 10.

Potential Transformers (PT's): Metering - Class 1.

All potential transformer shall be provided with current limiting
fuses. Voltage rating for the secondary winding shall be of ratios:

22000 / 110 / 110

3 3 3

For metering and protection. The thermal rating of the transformers

shall be sufficient to provide the total current required to operate
the burdens on the
secondaries without exceeding the rating of transformer as indicated
on nameplate. PT's (1 per phase) shall be installed either as a unit
drawout assembly or with an isolating switch in a separate
compartment so that the transformers, primary fuses and secondary
circuits may be inspected and tested in a completely de-energized
condition.

CT's shall have mechanical and thermal rating equal to the rating of
the LBS. Secondary rating shall be 5 amperes and primary ratings
shall be as shown on one-line diagram. Transformer shall be capable
of carrying 120 percent of rated current for one hour. Ground
current sensing transformers shall have a one ampere secondary
current.

Control switches shall be the rotary enclosed type with positive

means for maintaining contact position.

2.3 ACCESSORIES

2.3.1 Signage: Each RMU shall have engraved laminated nameplates screwed
to the doors of each individual compartment and wiring diagrams pasted
inside each door.

Each RMU shall be furnished with a sign marked “DANGER - HIGH

VOLTAGE”. Letters shall not be less than 25mm high, 6 mm
stroke. Signs shall be laminated plastic, red letters with a white
background.

All compartments with voltages from sources outside of the

Section 261000 _ 9
24 OFFICE BLDG, EGYPT Electrical

compartment shall have a sign on the compartment door marked

“CAUTION - THIS UNIT CONTAINS A VOLTAGE FROM A SOURCE
OUTSIDE OF THIS UNIT”. Letters shall be black on a high
visibility yellow background. Signs shall be adhesive backed vinyl
approximately 75mm by 125mm.

All nameplates and signage shall be printed in both English and

Arabic.

2.4 FABRICATION

2.4.1 Surface Preparation: Remove all casing projections, weld flux,

or splatter by hand scraping, hand impact tools, etc., followed
by wire brushing or power grinding. Sharp corners or sheared edges
shall be dulled and radiused with power grinder to improve paint
adherence.

Exposed grooved surfaces shall be finished smooth by filling and

thoroughly cleaned as required to provide a smooth uniform surface for
painting.

2.4.2 Shop Painting: Unless galvanized surfaces are provided, all ferrous
metal surfaces, shall be painted with a prime coat and given two or
more finish coats of paint.

Section 261000 _ 10
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSTALLATION

The RMU base assembly comprises the preformed concrete sump to

which are fixed 2 opposing sheet steel support trays. The steel
support trays, which overhang the concrete sump, serve to
support and secure RMU together with the external extremities of
the cable entry compartments.

3.2 QUALITY CONTROL

3.2.1 Test and Checks: The following minimum test and checks shall
be performed before energizing the substation.

Megger terminals and buses for grounds after disconnecting devices

sensitive to megger voltage.

Remove all current transformer shunts after completing secondary

circuit. Check all mechanical interlocks for proper operation.

Vacuum-clean all interior equipment.

Arrangements shall be made to have tests performed/witnessed by

Electrical Distribution Company and handing over to local authorities.

Tests Certificate

Type test certificates shall be submitted with the offer (if not
before submission) including:

- Type tests of cable L.B.S. acc. IEC 60265

- Type tests of earthing switch acc. To IEC 60129 for above
mentioned requirements

OWNER may require its representative(s) to attend some or all

of the routine tests acc. to same above IEC publications.

END OF SECTION 261000

Section 261000 _ 11
24 OFFICE BLDG, EGYPT Electrical

SECTION 262213- DISTRIBUTION TRANSFORMER

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of the Contract, including General

Conditions, Conditions of Particular Application and Division-1
Specification Sections, apply to work of this section.

1.2 DESCRIPTION OF WORK

This section covers the work of distribution transformers as required

by the
Contract and includes the
following:

- 11 kV to 380/220 V transformers

The Contractor is responsible to obtain the approval (before

delivering) for the Manufacturer, type, voltage, and losses, etc. from
Electrical Distribution Company, whose additional requirements shall
be considered without any extra cost to the Contract.

1.3 REFERENCE STANDARDS

Except as modified herein, the equipment shall be designed,

manufactured and tested in accordance with IEC Standard
publication No. 60076, Parts 1 to 5 and 11 inclusive and IEC 60905,
latest editions.

1.4 SUBMITTALS

Submit the following in accordance with Conditions of the Contract and

Division-1 Specification Sections:

- Materials list and manufacturer’s data

- Shop drawings and wiring diagram of transformers
- Rooms layout with all equipment inside
- Certificates of compliance (to code and to utility)
- Spare parts data
- Materials and equipment manuals
- Final test report

Section 262213 _ 1
24 OFFICE BLDG, EGYPT Electrical

1.5 DELIVERY, STORAGE AND HANDLING

Transformers shall be crated, as required, conditioned and shipped.

Auxiliary devices shall be designed for easy installation on Site and
shall be packed and shipped separately.

Handling shall be in accordance with Manufacturer’s instructions.

Usefactory installed lifting provisions.

1.6 RELATED SECTIONS

The following sections include, but not limited to, requirements which
relate to work of this section:

16050 Basic Electrical Materials and Methods

16060 Grounding and Bonding
16343 11 kV RMU
16425 Switchboards
16450 Enclosed Bus Assemblies

PART 2 PRODUCTS

2.1 GENERAL

Materials and equipment shall be new and completely assembled,

wired and tested at the factory. Distribution transformers shall
be designed for
3-phase, 50 Hz continuous operations. Rating and stipulated capacity shall
be continuous site-rated capacity under all encountered
environmental and climatic conditions.

2.2 CHARACTERISTICS

Distribution transformers shall be of dry type, cast resin with

insulation Class F, natural air-cooled. Aluminum conductors shall be
used for all high and low voltage windings and terminals. Axial
Fans shall be provided to oversize the transformer rating.

2.2.1 Mechanical Requirements: The transformers shall be capable

of withstanding, on any tapping, without damage under service
conditions, the electromagnetic forces arising under short circuit
conditions, as determined from the asymmetrical peak value of the
current in the windings, shall be taken as not greater than 2.55 times
(1.88 x 2) the over current rms short circuit value derived for the
appropriate conditions specified in IEC 60076-5. Clause 4.1.3

Section 262213 _ 2
24 OFFICE BLDG, EGYPT Electrical

2.2.2 Thermal Requirements: The transformer shall be capable of

withstanding, on any tapping, without damage under service
conditions, the thermal effects of a short circuit at the terminals of any
winding for 2 sec as per IEC 60076-5.

- Taps shall be provided on high voltage winding with two (2) 2.5%
above and two (2) 2.5% below rated voltage. Distribution
transformers shall be equipped with tapping links on HV windings
suitable for de-energized operation. Tap changer shall be
gang-operated and be capable of withstanding full transformer
short-circuit current without damage.
- Permissible overload capacity without undue heating shall be
20% for one hour without any forced cooling fans support.
- Winding temperature rise by resistance shall not exceed 100 °C.
- Secondary voltage 380/220 Volt, vector group Dyn 11;
ambient temperature 40°C. Refer to drawings for primary voltage.
- Distribution transformer winding shall have the following Basic Impulse
Insulation Level (BIL):

• 11 kV winding – 25 kV rms
• 380/220 V winding – 2.5 kV rms

2.3 CORE

Distribution transformer’s core shall be built-up from grain-oriented

stress relieved cold-rolled silicon sheet-steel laminations, insulated on
both sides with low losses as per Electrical Authority requirements.

2.4 WINDINGS

Windings shall be constructed of aluminum with low losses as per

Electrical Company requirements for each rating. Conductors
insulated with high dielectric strength tapes having very good
temperature stability and be firmly braced so as not to be loosen
due to short circuits.

2.5 STANDARD ACCESSORIES

Each distribution transformer shall be equipped with the

following accessories:

- Lifting lugs for complete transformer.

- Skid base with jacking and pulling provisions.
- Two grounding pads on diagonally opposed sides for the base
Section 262213 _ 3
24 OFFICE BLDG, EGYPT Electrical

with bolt type cable clamp adjustable for aluminum ground

cables 2ranging from2
95 mm to 240 mm for chassis grounding. One of the pads shall be
located at the side where the secondary neutral bushing is mounted.
- Fully enclosed cable end box on high voltage side.

- Diagrammatic weatherproof stainless steel engraved or etched nameplate.

The nameplate shall show full rating of transformer, voltage
and tap ratios, impedance, weight, vector diagram, temperature
class and temperature rise, etc. and shall bear a connection
diagram showing studs, tap changers and other parts. Nameplate
shall be in English.
- In addition to items listed hereinbefore, provide relaying and protection
as manufacturer’s standard practice at least (2 No, 2 NC)
points.
- Cooling fan automatically operated to increase the load by 30%.
- Protection enclosure IP 21.

2.6 TESTS

The transformers shall be subjected to routine tests at the

manufacturer’s work. The test shall be according to IEC. The test
shall comprise (but not limited to):

- Resistance measurements of all windings on rated voltage

connection of each transformer and at extreme taps.
- Ratio tests on rated voltage connection and on all tap
connections.
- Impedance and load loss at rated current and rated frequency on
the rated voltage connection.
- Insulation resistance test between windings and between windings
and earth.
- Induced voltage dielectric
test.

The Contractor should submit all tests certificates for review and
approval prior to shipment and installation.

Section 262213 _ 4
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSPECTION

Inspect each transformer and related accessories for damage,

defects and completeness before installing. Inspect previously
installed related work and verify that it is ready for installation of
instruments and equipment, if any.

3.2 PREPARATION

Transformer room shall contain no water, soil piping or

ventilation ductwork.

Ventilation shall be automatically controlled in accordance with the transformer

manufacturer’s recommendations and/or national and local codes.

Ensure that installation areas are clean and that construction

operations are completed prior to installing equipment. Maintain
the areas in a broom- clean condition during installation operations,
and should be arranged such that solar radiation has minimum effect
on the cooling.

3.3 ELECTRICAL WORKS

Perform all interconnecting wiring and grounding as indicated,

specified and required including cables, conductors, terminals,
connectors, wire markers, conduits, conduit fittings, supports,
hardware and all other required materials. Provide electrical
materials and complete required electrical installations in
accordance with the requirements specified in Division-16
Specification
Sections.

3.4 INSTALLATION SUPERVISION

Furnish the service of an approved engineer, at no additional cost to

the Employer, specially trained and experienced in the installation of
the equipment to:

- Supervise the installation in accordance with the approved

material and equipment manuals, and
- Inspect, check and adjust as necessary until all troubles or
defects are corrected and the installation and operation are
Section 262213 _ 5
24 OFFICE BLDG, EGYPT Electrical

acceptable.

3.5 SYSTEM VALIDATION

Provide the services of approved trained and field experienced

engineers, at no additional cost to the Employer, to validate each
system and verify that each system is operational and performing its
intended function within system tolerances as specified hereinafter
and detailed in the approved post- installation test procedures.
Validate each system by simulating inputs.

Check all systems thoroughly for correct operation. Test equipment

for this function shall be furnished by the Contractor.

Immediately correct all defects and malfunctions disclosed by tests.

Use new parts and materials as required and approved and retest.
Provide a report certifying completion and validation of each system.

END OF SECTION 262213

Section 262213 _ 6
24 OFFICE BLDG, EGYPT Electrical

SECTION 262416- LOW VOLTAGE SWITCHBOARDS

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and General Provisions of the Contract, including General

Conditions, Conditions of Particular Application and Division-1
Specification Sections, apply to work of this Section.

1.2 DESCRIPTION

This section covers low voltage metal enclosed switchgear as indicated on the
Drawings and required by the Contract and shall include the following items:

- Switchboard
- Distribution Boards
- Branch Circuit Panelboards

1.3 RELATED SECTIONS

The following sections of work contain requirements that relate to this Section:

16050 Basic Electrical Materials and Methods

16060 Grounding and Bonding
16231 Package Engine Generator
16280 Power Factor Correction Equipment
16415 Automatic Transfer Switches
16450 Enclosed Bus Assemblies
16461 Distribution Transformer (Dry)

1.4 SUBMITTALS

Submit the following in accordance with the Conditions of the Contract and
Division-1 Specification Sections.

1.4.1 Verification and Compliance:

- Room Layout diagrams and general arrangement showing

dimensions and weights of the subject equipment inside.
- Certificates of compliance of equipment to codes
- Spare parts list recommended by the manufacturer for normal
operation and maintenance of 3 years
- 3 complete original sets of manufacturer operation and
maintenance manuals for each board
Section 262416 _ 1
24 OFFICE BLDG, EGYPT Electrical

Studies:

- Provide thermal stress limitation checks for all breakers and cables as
per manufacturer’s
data
- Short circuit calculations
- Provide full discrimination and relay coordination studies
for all breakers as per manufacturer’s data according to the
requirements shown on the single line diagrams

Test Programs:

- Standard and optional factory tests program

- Post-installation test procedure
- Final test reports procedure

1.4.2 Equipment Data: The equipment data to be provided by the

Contractor prior to ordering any material covered by this Section
shall include but not be limited to:

- Complete technical data on circuit breakers, contactors and

other switchgear protection and switching devices, including data
on operating characteristics, compliance to standards, dimensions
and weights and detailed description of operating mechanism.
- Complete technical data on instrument transformers protective and
auxiliary relays, measuring instruments, including manufacturer's
catalogue operating characteristics - operating curves with detailed
description.
- Complete technical data on the construction of switchboards
with bus- bars, equipment plug in arrangement, access doors,
provision for expansion including detailed descriptive
manufacturer's catalogues.
- Complete technical data on miscellaneous items including
indicating lamps, control and instrument wiring, outgoing and
incoming power terminals and wiring labels, locks grouting,
bracing, etc.

1.4.3 Equipment Shop Drawings: Shall include but not be limited to:

- Plans, front, rear and side elevations, with indication of all face-
mounted equipment exact dimensions and weights.
- Drawings of arrangement of equipment inside the board.

Section 262416 _ 2
24 OFFICE BLDG, EGYPT Electrical

- One line schematic diagram of circuits.

- Control circuit diagram, showing all auxiliary contacts remote
control, if any, and remote indication.
- Indication of arrangement of main incoming feeders and
outgoing feeders (bus-bars or cables).
1.5 REFERENCE STANDARDS

The work and equipment of this section shall be designed,

manufactured and type tested in accordance with the International
Electro-technical Commission (IEC) or other approved equivalent
International Standards.

International Electro-technical Commission IEC

60439.

1.6 DELIVERY, STORAGE AND HANDLING

Shipments shall be securely packed for delivery and transit,

protected against excessive heat and humidity and waterproofed
for protection against water damage. When material must be
bundled due to excessive size each bundle shall have a tag, made
of metal, securely tied on with heavy gauge wire. Purchaser's
markings shall be die-stamped on the tag.

Equipment, relays, and other components with moving or fragile

parts shall be properly blocked, tied or packed to prevent damage.

Any component shipped separately shall be clearly marked with

description, use and installation instructions.

All packages shall be marked with equipment tag number for

identification when shipped and when received at site.

Sections to be grouped in not more than 3 sections per

crate.

Each shipping unit shall be equipped with shipping angles or lifting

lugs for handling by crane.

Section 262416 _ 3
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 GENERAL

Materials and equipment shall be new and completely assembled,

wired and tested at the factory requiring only field installation and
connection of power and control circuits to place the equipment in
service, except for multi-unit switchgear which could be divided into
shipping section after being completed and tested at the factory.

Manufacturer design and arrangement details of the equipment shall

be subject to the prior approval of the Engineer.

Switchgear and auxiliaries shall be designed for continuous

operation at
380/220 volt, 3-phase, 5 wire, 50 Hz, solidly grounded neutral
power supply. Ambient conditions shall be as specified by Section
16050 "Basic Electrical Materials and Methods".

Switchgear shall be metal enclosed, form (2) type as per IEC 60439,
complete with stationary structure, have complete bussing and front
access apparatus described herein.

Provide a dead hanged front panel behind the door of a distribution

board, to allow safe operation. This front panel shall carry the
required tags of equipment to show function of each breaker inside
or any push-button, etc.

The Contractor shall make sure that the space for each switchboard
is available in accordance with the requirements for the installation
and operation and maintenance of the equipment as specified and
supplied by the Manufacturer, and as per IEC 60364, 60439. Any
inaccuracy in the building shall be corrected as required and directed
by the Engineer, and at no extra charge to the Employer.

Ratings are shown on the one-line diagrams and the panel details
should be checked based on the actual loads at no extra cost to the
Employer.

The switchgear shall contain equipment with ratings as indicated on

the one line diagram, panel details, and in this Specification.

All equipment designated as "spare" shall be fully equipped with all

of the necessary items required to make the equipment operable by
connecting to the outgoing power and control leads.

Section 262416 _ 4
24 OFFICE BLDG, EGYPT Electrical

Approved barriers between adjacent sections of switchboard shall be

provided. Switchgear shall be suitable for future extension on both ends.

Unequipped space
units will be furnished only as required to balance the switchgear
assembly.

All ratings shown on the one line diagrams are the required
operational equipment ratings at the ambient temperature. It shall
be the Contractor's responsibility to ensure that the equipment
furnished satisfy the ratings shown without any extra cost to the
Employer.

The Contractor shall assume all responsibility for mechanical and

electrical coordination of equipment and devices required by the
Drawings and Specifications.

Interrupting capacities and short circuit ratings shown on the

Drawings are for guidance only, Contractor shall submit calculation
for actual levels to the Engineer for approval.

The prospected short circuit current (Isc) value indicated at each bus-
bar on drawings shall represent the maximum 3-phase symmetrical
r.m.s. kA, and it is the rating that all switchboard components (e.g
.bus, bars, bolts, circuit breakers, etc.) shall withstand.

Buses shall be 99.8% electrolytic copper of sufficient size to limit

temperature rise to 45 C or an additional derating would be
necessary.

Crowded bus-bar arrangement to fit maximum possible number of

branch circuit breakers in a distribution board, shall not be accepted.

Stacking of circuit breakers inside the switchboard shall be in

accordance to original Manufacturer design tables in accordance
with temperature rise type tests.

Any switchboard column housing a number of circuit breakers

summing more than 3000Amp of name-plate ratings should be fitted
with a top heat extraction fan and a bottom ventilating louver fitted
with a front filter to maintain the switchboard protection degree.

The phase arrangement on 3-phases buses shall be R.S.T from

front to back, left to right, or top to bottom from the front of the
switchboard.

Section 262416 _ 5
24 OFFICE BLDG, EGYPT Electrical

All switchboard components shall be of the same manufacturer and

must be tested according to IEC standards. The assembly must be type
tested and fully coordinated. All design must be in accordance to
temperature-rise type test.
All switchboard doors shall have a key lock and indicating lamp
for ON/OFF-READY, in addition to the necessary equipment for
security identification.

All indicating lamps used in the switchboards should be semi-

conductor LED diodes. Use of neon or incandescent indicating
lamps is not acceptable.

All indicating lamps and pushbuttons should be chromated metallic base

and body. All panel access doors shall be provided with a master key

for maintenance
and
operation.

The panel shall be designed to permit continuous operation of all

components mounted therein with panel ambient temperatures
of up to
40 C for indoor installation and 45 C for outdoor
installation.

2.2 SWITCHGEAR

2.2.1 Apparatus: All auxiliary equipment, transition sections, bus duct,

and other necessary components required for complete installation
and proper operation, under TN-S distribution system, although not
specifically listed herein, shall be furnished and included in the
switchgear assembly.

All circuit breakers of the same type and rating shall be completely
inter- changeable between compartments and between units at
different locations on the site.
All doors, panels and cubicles in general, shall be sealed with
neoprene or equivalent gaskets. Enclosure shall be dust and vermin
proof. Provide a directory of circuits on inside cable compartment.

Fuses (if applicable) shall be of the same manufacturer, dual

elements current limiting type.

Overload relays shall be of the anti single phasing

type.

Bolted covers on compartments incorporating live connections shall

bear a suitable warning label.

Section 262416 _ 6
24 OFFICE BLDG, EGYPT Electrical

All live conductors behind doors should be protected against

accidental contact by use of transparent plexi-glass sheet marked
with an electrical shock warning label.

Fuses or miniature circuit breakers shall be provided so that relays,

controls and instruments may be isolated whilst other essential
circuits are kept energized. Accordingly the control circuit should be
divided into two separate circuits (indicators circuit) and (circuit
breakers control circuit).

Supply of any control shall be via a suitably sized control transformer

(at least three times the VA rating of all connected devices). Control
circuits which are fed directly from the busbar will not be accepted.
The control transformer shall be protected at its primary and
secondary sides by HRC fuses of suitable size.

2.2.2 Main Bus: The main bus shall be made of 99.8% pure copper and
shall be continuous current ratings as indicated on the Drawings or
shall be of equal rating to the maximum setting of the protective
device on the incoming side whichever is greater.

All bus-bars shall be fully rated and extend with the same size along
the entire length of the switchgear assembly.

All horizontal bussing shall have provisions for future extension on either
end. All main bus connections shall be tight and tin plated,
corrosion-free and
with sufficient bolts to withstand the symmetrical fault currents
indicated on the Drawings.
The bus-bar supports shall be formed of high strength, low moisture
absorbing, high impact material with ample creepage distance
between bus bars. Bus bars shall be braced to withstand the
symmetrical fault currents indicated. All busbar-bracing materials
should be of a non-magnetic material.

All bus-bars and tap connections shall be connected in such a manner

that initial contact pressure remains substantially
undiminished at bus temperatures ranging from
indicated rated ambient to rated full load temperatures, to maintain
minimum contact resistance for the full service life of the equipment.

2.2.3 Vertical Bus: All vertical bus-bars shall be of same material of main
bus and shall have sufficient capacity to supply all installed circuit
breakers and each vertical section shall have full height and depth,
fire stop barriers of approved fire resistant material.

Vertical bus compartment shall be completely enclosed and isolated

Section 262416 _ 7
24 OFFICE BLDG, EGYPT Electrical

from other components.

All vertical bus connections shall be tight, corrosion free and be able
to withstand the symmetrical fault currents indicated.

2.2.4 Neutral Bus: Neutral buses shall be sized for the same capacity
of the main bus and shall be of copper.

The neutral bus shall be separate and isolated from the ground bus
and completely insulated from ground. A removable bus link shall
be provided for grounding the neutral bus as shown on Drawings.

All neutral bus connections shall be tight and corrosion

free.

2.2.5 Ground Bus: A solid copper ground bus shall extend along the full
length of the switchgear and rigidly bolted to the switchgear lower
part compartments, frame and all sections of structure.

2.3 INCOMING SUPPLY AND OUTGOING CIRCUITS

2.3.1 Source: Incoming supply shall be 380 volts, 3-phase, 5 wire, 50 Hz,
with symmetrical fault current level available at the incoming line
terminals as indicated on Drawings.
The connections from the incoming line terminals to the main
bus shall have the same capacity as the main horizontal bus.

Connections to the switchgear shall be by bus-way system,

cables in conduit or on cable trays as indicated on Drawings.
In case of using bus-way to distribute the power from the main
switchboard to branch panel board connection then the circuit
breakers installed on the bus way to feed the branch panel boards
should be manufactured by the same Manufacturer of the main
switchboard so that a coordination table between the main circuit
breakers and the bus way can be present.

If the incoming power supply is shown as cables a removable

metallic gland plate with thickness of not less than 5 mm shall be
fixed to the top or bottom or both sides of the panel depending on
the direction of the cables. A non-ferrous material must be used in
case of single core conductors. Pressure lugs shall be provided for
the termination of cables, whose sizes are as shown on the one line
diagrams.

2.3.2 Outgoing Circuit by Cables: All outgoing feeder sizes shown on

Drawings are considered a minimum and the Contractor shall adjust
without any additional cost to conform to the IEC-60364
Section 262416 _ 8
24 OFFICE BLDG, EGYPT Electrical

Regulations after final equipment selection, same gland plates

mentioned above will be applicable.

2.4 CIRCUIT BREAKERS

Main incoming, bus tie circuit breakers shall be four-pole, single-

throw, circuit breaker with continuous current ratings as shown on
the one-line diagram and wiring schedules.

All breakers above or equal to 1600A must be air-type unless

otherwise indicated on drawings.

As a general rule All breakers above 1600A must be electrically

motorized unless otherwise indicated on drawings

Unless otherwise indicated all incoming and coupler breakers must

be withdrawable air type.

Three (3) phase outgoing circuit breakers shall be moulded case Three
(3) pole, miniature circuit breakers Three (3) pole or combined with
residual current devices four (4) pole as shown in the single line diagram
or in panel schedules.

Circuit breakers shall be selected in line with this specification at the

point of application in accordance with the drawings, allocated spaces
and the "Regulations" as applicable and shall be suitably graded for 660-
volt line service.

Circuit breakers shall be totally enclosed in a moulded case

construction of approved manufacturer and shall be provided with a
front operated handle mechanism for manual operation of the main
contacts, in addition to the automatic operation under overload
current conditions. Multi-pole breakers shall have a single-handle
mechanism for simultaneous operation of all poles. Number of poles
and its protection type shall be suitable for TN-S grounding system.
Each pole of the circuit-breaker shall have an inverse-time delay
over current protection for small overloads and an instantaneous
magnetic overcurrent trip element for operation under short circuit
conditions. All poles shall be constructed to open, trip or close
simultaneously.

Circuit breakers shall be provided with quick-make, quick break

switching mechanism and positive trip-free operation so that
contacts cannot be held closed against excess currents under manual
or automatic operation. Contacts shall be non-welding silver alloy
and shall be adequately protected with effective arc-quenching
Section 262416 _ 9
24 OFFICE BLDG, EGYPT Electrical

devices.

The service short-circuit breaking capacity of the circuit breaker which is

100% of ultimate short current shall be in accordance with IEC 60947-2
and shall be equal to the same value of short circuit level (Isc) indicated
on Drawings. Switchboard and components withstanding rating shall be
equal to this short circuit level also.

The miniature circuit breakers shall be rated 10 kA breaking capacity

as minimum unless otherwise specified, with terminals capacity up to
25 mm2.

All miniature circuit breakers should have protection shoulders

against accidental contact with their terminals.

Frame sizes (or continuous current ratings) indicated shall be the

minimum accepted ratings based on a fully-rated interrupting duty
(non-current-limiting) as shown on the drawings. The trip current rating
(amps) indicates the nominal rating at which the thermal overload
element operates.

When tripped by either the thermal or magnetic elements, the

handle shall automatically assume a position midway between ON
and OFF positions which clearly indicates a "TRIPPED" position.

All poles shall be constructed so as to open, close or trip

simultaneously. Non-interchangeable trip breakers shall have their

covers sealed and breakers

with interchangeable trips shall have the trip unit sealed to prevent
tampering.

All incoming and outgoing circuit breakers in the same switchboard

shall be totally selective at the prospected short circuit level.

Moulded case circuit breakers shall have trip units that achieve
full selective system for overload, short circuit and instantaneous
protection.

Circuit breakers of rating 250 Ampere and above shall have electronic

trip unit. Thermal overcurrent trips shall be ambient-temperature

compensated to
allow for an ambient temperature at the breaker higher than at the
protected
circuit or
device.
Section 262416 _ 10
24 OFFICE BLDG, EGYPT Electrical

Combination of circuit breakers and ground fault circuit interrupters shall

be used wherever specified with a fault indicator lamp. It shall be
instantaneous trip with a10 mA, 30 mA and 100 mA sensitivity setting
unless otherwise indicated.
All circuit breakers shall be derated according to climatic conditions
and operating temperature as per manufacturer standards.

All main circuit breakers to be provided with 4 auxiliary contacts 2

N.O. and 2 N.C. for connection with BMS system for tripping
indication unless otherwise indicated.

All circuit breakers with ratings above 1000A (one thousand) should
have a built in ammeter on their trip units

2.5 PANELBOARDS

Panelboards shall be factory assembled and type-tested, surface or

flush mounted, as shown on the Drawings and shall be deadfront,
circuit breaker type with copper buses.

The panelboards shall be provided with main lugs, main breaker

and number of breakers as shown on the Drawings or panel schedule
detail.

The panel boards should be manufactured by the same

manufacturer of the circuit breakers and must be designed in
accordance with design guides based on results obtained from
temperature rise type-test

The panelboard enclosures shall be dustproof for indoor or dustproof

and waterproof for outdoor installation, unless
otherwise indicated on Drawings.

The enclosures shall be provided with hinged covers and locks. All
locks shall be keyed alike.

Access to circuit breakers inside the panelboards should be restricted

by use of dead front plates which shall be of code gage sheet steel.
Fronts shall be furnished with adjustable trim clamps for securing the
front to the box.

Each row of circuit breakers must have its own front plate, panel
boards utilizing one front plates for more than one row will not be
accepted.

Circuit breakers frame sizes shall be as indicated on the drawings.

Section 262416 _ 11
24 OFFICE BLDG, EGYPT Electrical

Panels shall be for operation on voltage, number of phases, and

number of wires as shown on Drawings. Multiple phase circuit
breakers shall be of the common trip type having a single
operating handle.

Each panelboard shall be equipped with full size neutral bus and
ground bus of the same length and cross-section as the neutral bus.
The ground bus shall be bonded to the enclosure.
Panels of 380/220 Volt shall have circuit breakers with an
interrupting rating as shown on the single-line diagrams and on
schedules.

A directory holder with protective covering shall be provided on the

inside of each door. The directory card shall provide a space at least 6
mm and 75 mm long for each branch circuit. The card shall be
completely typed to identify each connected and spare circuit, and
shall be bilingual, Arabic and English.
All circuit breakers used must be as specified in the switchgear section 2.4
above. All panel boards equipped with circuit breakers feeding single
phase circuits
must be protected against the neutral conductor loss or
disconnection so that
to avoid feeding line to line voltage to single phase
loads.

2.6 DISTRIBUTION BOARD FOR OUTDOOR LIGHTING

When the photoelectric lighting control and timer unit switches

on the triple pole contactor, the outgoing phase lighting circuits shall
be energized.

- Lighting Distribution Board: Shall contain the following:

One main circuit
breaker
One triple pole lighting, AC1 air-type contactor designed to
withstand lamp load inrush current and to carry full rated
current on a continuous basis. It shall be AC operated. A
manual override switch shall be also provided and connected

- Outgoing Circuit Breakers: The triple pole AC contactor shall

be actuated by means of a photo-electric lighting control unit
mounted externally and a timer module
- Photo-Electric Lighting Control Units: The distribution/control board
shall be controlled to switch on and off the outdoor lighting as a
function of the ambient daylight intensity by means of a
Section 262416 _ 12
24 OFFICE BLDG, EGYPT Electrical

photoelectric lighting control unit. The unit shall be facing north

nearest to distribution/control board and shall be connected to it by
means of finely stranded copper conductor flexible wires having 2
x 2.5 mm2 cross sectional area and PVC insulation. Control unit
shall be adjusted to respond between 5 and 1000 lux and its
response shall be delayed by 2 minutes to prevent operation on
momentary changes in daylight intensity. An additional
programmable timer shall be set to de-energize and energize the
contactor in selected periods of time.

- Selection switch and push buttons.

2.7 INSTRUMENTATION AND CONTROLS

All instruments, relays and components as contained in the one-line
diagrams specified herein or required by manufacturers standard
practices, shall be provided.
Control switches, if any, shall be the rotary enclosed rear-mounting
type with positive means for maintaining contact position.

Ammeters mounted in the main incoming sections shall be

moving-iron type having a measuring range and shall be capable of
withstanding twice the rated current for one second without
damage.
Voltmeters shall be of the moving-iron type having a 5 VA
consumption or less. Voltmeters shall have measuring range and
shall withstand twice the rated full voltage for one minute without
damage.

A voltmeter selector switch shall be mounted in the main incoming

panel and shall be of the rotary type with cam operated contacts. It
shall have (7) positions "OFF", R-S, S-T, T-R, R-N, S-N and T-N.
Current transformers (CTS) shall be of accuracy class 0.5 for
measurements and shall comply with IEC Recommendations 185.
Test block with socket and plugs shall be provided for testing
all instruments and CT's.

Integrated measuring and instruments of electronic type if shown on

Drawings, shall be panel-type and replace the above mentioned a meter
and voltmeter.

All remote push buttons, indicating lights and control services, as

shown on the schematic diagrams, shall be furnished and installed
by the Contractor. Provisions for connecting these remote devices to
the switchgear shall be made by furnishing terminal blocks or strips.

Circuit protection shall be by circuit breaker of proper

rating. Electronic metering is accepted if indicated on

Section 262416 _ 13
24 OFFICE BLDG, EGYPT Electrical

the Drawings.

2.8 MCC SPECIAL REQUIREMENTS

2.8.1 Frequency Converters: A quite large amount of the installed
motors may be driven by Frequency Converters.
If the total amount of Converters has any impact or not on the
electrical supply system must be considered and investigated. The
Converters shall not have impact on other electrical consumers in the
network. It could be that special requirements for electrical
components must be considered. These are components as Circuit
Breakers and Capacitor Banks.
As a rule shall be used on each Converter. Please follow the
recommendation given by the brand.
Cables shall be used. The earthing of the screen must be done with
special clamps/terminal made for screened cables. The motor cables
shall not be laid together with instrument cables.
Motor with frequency converters in EEX-zone need thermistor in
motor windings.

2.8.2 PLC: The PLC equipment shall be of a well-known type. It shall be

easy to get support from local companies to support the PLC
System. Siemens TI model has been used as a standard for many
projects. The Engineer is also open to use the Siemens S7 or higher,
Omron or General Electric (GE) PLC’s. Unless otherwise stated in any
drawings or Owner’s representative recommendations.

Normally Use:
Input Card: 230 VAC
Output Card: Potential free contact, with 2 fuses (L and N)

If other types are wanted please take the Engineer’s permission before use.

2.9 TRANSIENT OVER VOLTAGE

Transient over voltage suppressor – shall be provided at the

incomind supply side of main low voltage panel, as shown on the
drawings. These should be as manufactured by FURSE (UK)-ESP the
contractor should select the proper type which is recommended by
the supplier and submit to the Engineer for approval supported by
calculations.

2.10 POWER MANAGEMENT SYSTEM (PMS)

Power management system (PMS) shall be an integrated system for

power monitoring and control. PMS shall be dedicated for
alarm reporting, disturbance monitoring, analyzing power quality
and automatic control.
Section 262416 _ 14
24 OFFICE BLDG, EGYPT Electrical

PMS shall collect the required information from the field devices
and/or
Digital Power Meters (DPM), which clearly indicated on
drawings.

DPM shall be connected to PMS using the project’s selected open

protocol.

PMS, DPM and their communication scheme shall be part of the

electrical switchgear and shall be inclusive in their items prices.
DPM shall be capable to transfer full instrumentation reading
including energy reading, demand readings, power analysis values in
addition to the real-time readings of the system.

2.11 FACTORY TESTING

The switchgear shall be factory assembled and tested before

shipping. Test reports shall be furnished by the Contractor.

All components shall be thoroughly inspected and tested to

ensure alignment and adequacy of all functions.

Section 262416 _ 15
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSPECTION

Inspect each switchgear assembly and related accessories for

damage, defects, completeness and correct operation before
installing. Inspect
previously installed related work and verify that it is ready for
installation of instruments and equipment.

3.2 PREPARATION

Ensure that installation areas are clean and that construction

operations are completed prior to installing equipment. Maintain
the areas in a broom- clean condition during installation operations.

3.3 ELECTRICAL WORK

The Contractor shall perform all interconnecting wiring and

grounding as indicated, specified and required and shall include
cables, conductors, terminals, connectors, wire markers, conduits,
conduit fittings, supports, hardware and all other required materials.

Provide the electrical materials and complete all the required

electrical installations in accordance with the requirements
specified in Section
16050 and as required by
Drawings.

3.4 MOUNTING

The switchboards and panelboards (both surface and flush types)

shall be installed so that the height of the top edge will not exceed
1.80 m from the finished floor. Directories shall be typewritten in
English and Arabic to indicate load served by each circuit, and
shall be mounted in a holder behind protective coating.
Contractor shall follow manufacturer's installation
instructions.

For free stand panelboard either steel or concrete base should be

made without any extra cost to Employer.

Contractor shall submit to the Engineer for approval, an elevation

mounting detail and plan for each distribution board specially those
mounted inside vertical service ducts, also showing cable risers and
racking to a scale of
Section 262416 _ 16
24 OFFICE BLDG, EGYPT Electrical

1:10 or 1:50 before installation.

3.5 INSTALLATION SUPERVISION

Furnish the service of engineer especially trained and experienced in

the installation of the equipment to (1) supervise the installation in
accordance with the approved material and equipment manuals and
(2) inspect, check,
adjust as necessary in accordance with the Specifications herein,
until the installation and operation are acceptable. Include all costs
for services in the Contract Price.

3.6 FIELD TESTING

Contractor shall prepare in full details and submit for approval, post
installation, test procedures attached with test forms for all L.V.
panels.

Switchgear installations shall be tested in accordance with BS as

applicable
(or corresponding IEC) for the type of
equipment.

The tests shall be both electrical and mechanical to demonstrate

satisfactory operation. Where protection relays or adjustable
overcurrent trips are incorporated, primary/secondary injection
tests shall be carried out to demonstrate the correct setting of the
protection device and its satisfactory operation. Test certificates
shall be issued by the Contractor when primary injection tests are
carried out.

Switchgear and Motor Control

Center
The whole of the switchgear and control center shall be tested as
integral units based on the completeness of the circuits in the final
manufactured form within the manufacturer's works.
Witnessed tests shall
comprise Routine Tests in accordance with BS 5496 Part 1 and BS
5424 Part 1, together with the following:

- Primary injection tests to ensure correct ratio and polarity of CT's

and to demonstrate the correct operation of current operated
protection relays and direct acting coils over their full range of
settings.
- Operation and through current stability tests on balanced
Section 262416 _ 17
24 OFFICE BLDG, EGYPT Electrical

earth fault protection relays by primary current injection.

- Correct operation of sequencing and control circuits
indications and alarms at normal operating voltages by
operation of local control switches and simulation of operation
of remote control circuits and all protection devices.
- Circuit breakers shall be subject to routine tests together with
checking of all mechanical and electrical interlocks.
- Type test certificates and performance test data for identical
panel types shall be made available.
- Measure phase-to-phase and phase-to-ground insulations to
meet manufacturer's specified minimum resistance.
- Check electrical continuity of circuits and for short
circuits.
- Coordinate tests with tests of generator and run them
concurrently.
- Demonstrate interlocking and operational functions for at least 3 times.

3.7 SYSTEM VALIDATION

Provide the services of trained and field experienced engineer(s) to

validate each switchgear system to verify that each system is
operational and performing its intended function as specified and
detailed in the approved Post-Installation Test Procedures. Validate
each system by simulating inputs.

Immediately correct any and all defects and malfunctions disclosed

by tests. Use new parts and materials as required and approved and
retest. Provide a report certifying completion of validation of each
system.

3.8 IDENTIFICATION PLATES

Identify components as required by codes and manufacturer’s standards and

according to Section 16050 "Basic Electrical Materials and Methods".

END OF SECTION 262416

Section 262416 _ 18
24 OFFICE BLDG, EGYPT Electrical

SECTION 262500- ENCLOSED BUS ASSEMBLIES

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and General provisions of the Contract, including General

Conditions, Conditions of Particular Application, and Division 1
Specification Sections, apply to work of this Section.

1.2 SUMMARY

This Section includes enclosed bus assemblies and

fittings. Extent of busway work is shown on Drawings.

1.3 SUBMITTALS

General: Submit the following according to the Conditions of the

Contract and Division 1 Specification Sections.

1.3.1 Product Data for each component. Include electrical ratings,

dimensions, mounting position, mounting method, vertical
supports, materials, fire stops, and weather stops.

1.3.2 Shop Drawings detailing fabrication and installation of enclosed

bus assemblies, include plans, elevations, sections, details of
components, and attachments to other construction elements.
Detail connections
to switchgear, switchboards, transformers, and panelboards, as well
as detail of supports and connections to building are also included.

1.3.3 Coordination Drawings include floor plans and sections drawn to

accurate scale. Submit shop drawings. Show
bus assemblies 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.

1.3.4 Qualification Data for firms and persons specified in the

"Quality Assurance" Article to demonstrate their capabilities and
experience. Include a list of completed projects with project names,
addresses, names of Architects and Owners, and other information
specified.
1.3.5 Field Test Reports indicate and interpreting test results
relative to compliance with specified requirements.
Section 262500 _ 1
24 OFFICE BLDG, EGYPT Electrical

1.4 RELATED SECTIONS

The following sections contain requirements that relate to this section:

16425 "Low Voltage Switchboards"

16320 "Distribution Transformers"

1.5 QUALITY ASSURANCE

1.5.1 Testing Agency's Field Supervision: Comply with NFPA 70 "National

Electrical Code" for components and installation or IEC 60 439-1e2, EN
60439 or DIN VDE0660.

1.5.2 Single-Source Responsibility: All busway components shall be

the product of a single manufacturer.

1.6 DELIVERY, STORAGE AND HANDLING

Delivery, storage, and handling refer to Section 16050.

1.7 PROJECT CONDITIONS

Field Measurements: Don’t take measures from electrical drawings.

Verify existing dimensions by field measurements. Verify
clearances and locate obstructions within manufacturing and
installation tolerances of busway.

Section 262500 _ 2
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 ENCLOSED BUS ASSEMBLIES

2.1.1 General: Provide enclosed bus assemblies for use as feeder

busway and for plug-in types.

The enclosed assemblies feeder type shall be designed and

constructed for use on a 380 V three-phase, four conductors and
the casing used as earthing. With 100% neutral 50 Hz system and
having a source fault level of 50 kA 380 V for 1.0 second, unless
otherwise indicated.

Temperature Rise: 45 C above ambient maximum

temperature.

The bus assemblies’ plug in type shall be of the totally

enclosed sandwiched insulated type provided with busbars and with
suitable tap-off positions as specified.

The ratings and numbers of busbars and lengths of truncking with details
of tap- off ports and equipment shall be as detailed in the Specification,
and drawings.

The busbar insulation and insulating supporting supports will be

made from insulation possessing flame retardant and self-
extinguishing, die-electric and non-hygroscopic properties.

The bus shall carry its rated current continuously, without exceeding
the temperature rise of 45ºC over an ambient temperature.

The joints shall be of bolt pressure design providing optimum

electrical contact and mechanical strength.

2.1.2 Busbars: Busbars shall be generally as specified in BS 5486: part 1 and 2.

The busbars shall be rectangular section tinned hard drawn

high conductivity copper.

Each busbar except the earth shall be totally enclosed in insulating

material. Insulated and anti-tracking supports for the busbar shall be
provided at regular spaced intervals of 300/600 mm. The supports
shall be suitable for use of the busbar trunking in any position. In
vertical positions the supports shall be capable of holding the vertical
thrust of the busbars.

Jointing of the busbars shall be in accordance with the

Section 262500 _ 3
24 OFFICE BLDG, EGYPT Electrical

recommendations of the manufacturer, using purpose-made links

throughout.

Where straight length of busbar trunking are installed in excess

of 40 meters expansion joints shall be fitted in the busbar run, in
accordance with the manufacturer’s recommendations.

Phase busbars will be completely enclosed with molded or extruded

insulation, except where provisions will be made for splicing adjacent
sections together.

The joints for splicing adjacent sections together will be silver plated
and enclosed by either insulation bolts or approved taped insulation
paint film.

The metal housing surfaces will be chemically cleaned and treated to

provide a bond between the primer light gray paint and the metal
surface paint film.

The exterior surfaces will be cleaned and sprayed with a finishing

coat of paint before assembly of the equipment. The color of metal
enclosed bus will be manufacturer’s standards.

After assembly, all conductor joints shall be accessible by the

removal of covers in the enclosure. Such covers shall be weather-
proof by neoprene gaskets or other suitable means.

The preliminary layout will be furnished as a part of the

material requisition. The complete installation shall coordinate
throughout and shall consist of standard sections and special section
and fittings provided to suit the installation. All material and
installation shall comply with the applicable standard.

2.1.3 Enclosure: The bus assemblies shall be enclosed in metal enclosure

which shall be mechanically and electrically continuous, and the
metal thickness proposed for all trunking, accessories and connectors
shall be shown on the manufacturer’s drawings.

The enclosure shall be of the ventilated totally enclosed type to

provide a degree of protection not less than IP 54 as per IEC or
DIN/VDE.

All non-current-carrying metal associated with enclosure for use

in enclosed buildings shall be finished in accordance with IEC or
DIN/VDE.

The busbar enclosure shall be designed and constructed suitable for

Section 262500 _ 4
24 OFFICE BLDG, EGYPT Electrical

mounting in horizontal flat or edgewise position and in the vertical

plane. Fixing pints shall be at any position in the run, with
unsupported spans not greater than 3 meters.
Fire resisting barriers shall be fitted in enclosure where it passes
through fire compartment walls and floors. In vertical runs of
enclosure, irrespective of fire resisting barriers at floor levels, where
the floor to ceiling height exceeds 3 meters, an additional barrier
shall be fitted in the trunking mid- way between floor and ceiling.

2.1.4 Accessories: Where change of direction or termination occurs in a

busbar run, the manufacturer’s purpose-made bends, tees pieces,
cross-overs, reducers, and end covers shall be used.

Section 262500 _ 5
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSPECTION
Examine conditions under which busbar trunking are to be installed.
Notify Engineer in writing of conditions detrimental to proper
completion of the work. Do not proceed with the work until
unsatisfactory conditions have been corrected.

3.2 INSTALLATION
The bus assemblies shall be installed so that the maximum
unsupported span does not exceed 3 meters. Any fixings used
shall be of mild steel angle or channel finished to the same
standard as the trunking and shall not cause any long term corrosion
or electrolytic action.

Where any cutting or damage is caused during erection, the burrs

and rough edges shall be removed and the finish made good. Any
corrosion, which has occurred, shall be removed and the area
treated with a rustproof agent. The finish shall then be made good
by the application of either a zinc rich epoxy primer or equal
alternative, and for Class 2 finishes shall be followed by coat of color
matching paint.

Runs of enclosure shall not be used to support other equipment or

services nor shall any cables be installed in the enclosure unless the
trunking is specially designed for these purposes.

Where bus assemblies enclosure passes through fire barriers, walls,

floors and ceilings, fire resting barriers shall be fitted in the trunking
and the hole surrounding the trunking shall be made good to the full
thickness with resisting material to provide fire resistance equal to
that of the structure through which the trunking passes.
In vertical runs of assemblies thrust supports shall be fitted either at
each floor level or at 3 meters spacings whichever is of lesser
dimensions.

Incoming cables and all outline shall be supported to avoid

appreciable mechanical loads being imposed on the busbar trunking.
3.3 FIELD QUALITY CONTROL

Prior to installing, test for electrical continuity of bonding, and

earthing connections is to demonstrate compliance with grounding
requirements.

Electrically energize bus assemblies systems and demonstrate

functioning in accordance with requirements. Where necessary,
Section 262500 _ 6
24 OFFICE BLDG, EGYPT Electrical

correct malfunctioning units, and then retest to demonstrate

compliance. Replace equipment, which cannot be satisfactorily
corrected.

END OF SECTION 262500

Section 262500 _ 7
24 OFFICE BLDG, EGYPT Electrical

SECTION 262726-262816.16 - WIRING DEVICES AND DISCONNECTORS

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and General Provisions of the Contract, including General

Conditions, Conditions of Particular Application and Division-1
Specification Sections, apply to work of this Section.

1.2 SUMMARY

This Section shall cover various types of receptacles, connectors,

switches and finish plates.

1.3 RELATED SECTIONS

The following sections contain requirements that relate to this Section:

16050 Basic Electrical Materials and Methods

16130 Raceways, boxes and cabinets
16500 Lighting

1.4 SUBMITTAL

Submit the following according to the Conditions of the Contract and

Division 1 Specification Sections:

1.4.1 Product Data: Data shall be submitted for each product specified
in this section, with catalog clippings and manufacturer’s technical
specifications.

1.4.2 Samples: Provide three (3) samples for each device, which shall be
used, and for all relevant accessories (cover, plates). Color selection
and technical features shall be complied with the requirements of
codes, interior decoration and owner’s representative acceptance.

1.4.3 Operation and Maintenance Data: Provide operation and

maintenance data for materials and products specified in this section.

1.4.4 Field Quality Control: Submit for Engineer’s approval quality control plan.

1.5 QUALITY ASSURANCE

Manufacturer shall be regularly engaged in manufacturing

electrical devices, sizes, and ratings. These products have been in
satisfactory use
Section 262726-262816.16 _ 1
24 OFFICE BLDG, EGYPT Electrical

and in service for not less than 5 years. Products shall

comply with requirements of local codes and IEC Standards.

Section 262726-262816.16 _ 2
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 MANUFACTURERS

Subject to compliance with the requirements, approved

manufacturers offering products, which may be incorporated in the
works, shall be limited to one of those mentioned in the attached list
of manufacturers.

2.2 WIRING DEVICES

2.2.1 General: Wiring devices shall comply fully with the relevant Local,
and
International
Standards.

All types shall be of the same manufacturer to provide

consistent appearance and finish, colors; openings may distinguish
the functional use of similar fittings or units.

Rated voltage and ampere should be indicated on all wiring devices.

Fixed screen shall be installed to separate live parts in case of
multi-phase existing in one box.

2.2.2 All wiring devices must be suitable for 3-wire systems for single phase and
5-wire systems for three phase i.e. earthing terminal must be
provided in sockets plugs, lighting switches, power socket, etc.

2.2.3 Boxes and Fittings: Boxes shall be provided with means to

terminate conduits securely.

Boxes shall be of heavy gauge PVC or galvanized steel with

suitable marked earth terminal for exposed and outdoor use.

For more details on boxes and fittings, refer to Section

16130.

2.2.4 Plates: Plates shall be of square or rectangular shape to adequately

cover corresponding outlet boxes and be designed to fit the electrical
devices.

Various samples shall be submitted for approval and/or selection by the

Engineer. Fixing screws shall be chromium plated, polished. Screw head

shall suit the plates. Combination (multi-gang) plates shall be provided

Section 262726-262816.16 _ 3
24 OFFICE BLDG, EGYPT Electrical

for grouped outlets and

devices as detailed on the Architectural or Electrical Drawings. Color
shall
be selected by the Engineer for different typical areas without any
cost implication to the Contract.

Unless otherwise stated or selected by Engineer, heavy-moulded,

break- resistant material, White-Ivory color, flush-mounted plates
shall be used for individually installed switches and wall socket
outlets.

Plates for socket outlets shall match switch plates telephone

and data outlets in each particular area.

2.2.5 Convenience Socket Outlets: The Contractor shall supply a

unified standard type socket outlet for the whole project.

Socket outlets shall be rated 16 Amp, (unless otherwise indicated on

drawings) and 250 Volts with two rounded holes plus side earth and
20 mm spacing. The earth terminal of each socket shall be
effectively connected with the earth continuity conductor, phase and
neutral conductors to the respective terminals.

Socket outlets shall have a moulded plastic or porcelain base and be

designed to fit the appropriate plate as required or as approved,
before execution, by the Engineer.

Contacts shall be self-adjusted and have a non-expanding size

limiting entry, to prevent permanent distortion.

Where duplex socket outlets are shown on Drawings, two of this type
of socket shall be mounted under one common plate.

Weatherproof socket outlets shall have minimum IP 55 grade of

protection (unless otherwise indicated on drawings), the outlets shall
be mounted in the box specified with a gasketed, weatherproof cover
plate, with individual cap over each socket outlet opening. Caps shall
be tightly closed with stainless steel springs when the socket outlet is
not in use.

Where indicated on Drawings, receptacles shall be served by ground

fault circuit interrupters for personnel protection.

Application: Outlets for internal use shall generally be of the

insulated pattern ivory finish. Color is to be selected by
Engineer. In utility and workshop areas metal clad enclosures and

Section 262726-262816.16 _ 4
24 OFFICE BLDG, EGYPT Electrical

finishes shall be used.

Outlets for exterior use shall be weatherproof pattern enclosed in

Glassfibre
Reinforced Plastic (GRP) or galvanized metal
boxes.

Terminals for 250 V outlets shall each be capable of receiving and

satisfactorily connecting two (2) conductors (solid or stranded),
each of 4 mm2 minimum.

Contact pressure with conductors shall preferably be by clamp plate

rather than by pinch screw.

Socket outlets for flush fitting shall be mounted in appropriate

recessed box.

Socket outlets and their enclosures shall be complete with necessary

terminals for the connection of circuit protective conductors as
required by the IEE Regulations and IEC latest edition.

Boxes providing enclosure and/or mounting for socket outlets shall

be PVC
if concealed, or galvanized steel if exposed complete with conduit
entries.

2.2.6 Industrial Power Outlets: Industrial pattern socket outlets shall

comply with IEC 60309-2. Unless specifically detailed, single phase
or 3 phase with neutral and earth 250 or 415 V sockets shall be
fitted flush or surface mounted. Rating of power socket and number
of poles shall be according to the drawings and/or data sheets.

Power sockets shall be IP 55 unless otherwise indicated on drawing,

made of high tech polymer material, water resistant and supplied
with its compatible plug. Earth pole shall be 6 h for all kinds of power
sockets.

Matching plugs shall be provided with the

socket.

2.2.7 Lighting Switches

Internal Lighting Switches: Internal lighting switches shall comply

with BS 3676 and shall be complete with box, cover plate and fixing
screws. At multi-switch positions, the switches shall be contained in
multi-gang boxes.

Section 262726-262816.16 _ 5
24 OFFICE BLDG, EGYPT Electrical

Wall mounted switches shall be suitable for use at a system voltage

of 220
V and continuously rated at 10 A. Each switch terminals shall be
capable of terminating two (2) conductors (solid or stranded), each of
3 mm2 minimum.

Generally where a number of switches are mounted adjacent to each

other, they shall be grouped in one box and share a common switch
plate, except those fed from different supply panels or different
phases.

Switches shall not disconnect the grounded conductor of a

circuit.

Switches for internal use shall generally be of the insulated, ivory

finish pattern unless otherwise specified. In utility and workshop
areas, metal clad enclosures and finish shall be used. Lighting
switches shall be mounted in a galvanized metal or PVC box with
conduit entry facilities suitable for flush or surface mountings as
appropriate. In all cases, a sample shall be approved by the Engineer.

Lighting switches for external use and wet areas shall be

weatherproof IP55 and shall be enclosed in Plastic Glassfibre
Reinforced (GRP) or galvanized metal boxes.

Lighting switches shall be provided with all necessary terminals to

allow connection of circuit protective conductors as required by the
16th edition of the IEE Regulations or IEC latest edition.

Multi Pole Switches: Multi pole switches shall conform to

the requirements of BS 3676 Standard where used for the connection
of fixed appliances.

Switches shall be installed as shown on Drawings, and for height

refers to general notes.

All units shall be of similar style and finish to those specified for
lighting switches and socket outlets.

Primary connection terminals shall be capable of receiving and

satisfactorily connecting the following stranded conductors:

Switch Rating Min. Conductor Size

16 A 2 x 3 mm2
20 A 2 x 4 mm2
25 A 2 x 6 mm2
Section 262726-262816.16 _ 6
24 OFFICE BLDG, EGYPT Electrical

Contact pressure with conductors shall be by clamp

plate.

Push Button Switches:

The push button shall be in general (unless otherwise indicated
on drawings) used to make momentary contact switch for lighting
contactor control. The switches shall be suitable for inductive load,
and shall comply with the standards.

The rated of the switches shall be 10A, 250V (unless otherwise

indicated on drawings)

2.2.8 Load Break Switches (LBS) Disconnector: Load break switches

or disconnector shall be provided and installed as shown on Drawings
and on wiring schedules.

Electrical characteristics of load break switches such as Ampere

rating and number of poles shall be as indicated on Drawings, wiring
schedules and/or as herein specified. Ratings have to be re-adjusted
by the Contractor and approved by the Engineer before ordering if
the served load is different than that shown in design documents.

The LBS shall be a non-fusible for three phases, or fusible for single
phase, single-throw, as indicated on Drawing, provided with arc
quenching devices on each pole, making it capable of interrupting at
least six times the normal switching current.

Switches shall effectively interrupt the power supply for all line
conductors where it exists, and simultaneously disconnect the supply for
control circuits.

The operating mechanism shall be quick-make, quick-break with the

external operating handle mechanically interlocked with the enclosure
cover.

Interlocks shall make it necessary for the switch to be in the "OFF"

position for normal access to the inside of the enclosure. Switch
shall have means of bypassing the interlocks.

Any LBS shall be so placed that gravity shall not tend to close when
approved for use in the inverted position. It shall be provided with a
locking device that will ensure that the blades remain in the open
position when so set.

Indication to the position of the switch shall be positive and

clearly indicated on the cover.
Section 262726-262816.16 _ 7
24 OFFICE BLDG, EGYPT Electrical

Enclosure shall be GRP for wall mounting or Steel for freestanding

type IP20 for general-purpose application and IP55 for
weatherproof installations unless otherwise required.

Enclosure shall have provisions for locking the operating handle

in the "OPEN" and "CLOSED" positions.

Section 262726-262816.16 _ 8
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 General: Flush-mounted boxes shall be cast in concrete walls and

grouted into brick walls. Metal boxes threaded to raceways in
exposed installations shall be separately supported.

Boxes installed in concealed conduits or raceway systems shall be set

flush with the finished surfaces. The location of all boxes shall be
easily accessible and any interference with mechanical equipment or
structural features shall be relocated as directed by the Engineer
without any additional cost.
3.1.2 Receptacles: The receptacles shall be located and installed as
shown on the Drawings. The location shall be easily accessible.
Receptacles shall be so installed that the neutral pin is always on
the left side when viewed facing the installation.

3.1.3 Switches: Local wall switches near doors, shall be located at free
side of doors as finally hung, whether so indicated on Drawings or
not.

A junction box shall be placed in the back of each wall mounted

switch.

If thickness of wall does not permit such an installation, adjacent

position shall be accepted.

The switches shall be installed as shown on the approved Drawings.

Where more than one switch is shown for one indoor outlet box, the
switches shall be installed under one plate. Toggle switches for
lighting, except for 2-way and 3-way switches shall be installed so
that the contacts are closed when the handle is in the up position.

Switches shall be mounted with the longer dimension vertical and

operating handle in an upward position when in the "ON" position.

Single pole switches shall switch the (phase) wire circuit. Neutral
wire shall not run through switches.

No switches shall be located inside toilets or shower

places.

3.1.4 Device Plates: Device plates shall be installed with all four
edges in continuous contact with finished wall surfaces without the
use of mats or similar devices. Device plates shall be

Section 262726-262816.16 _ 9
24 OFFICE BLDG, EGYPT Electrical

installed vertically with an alignment tolerance of 0.16 mm (1/16

inches).

3.1.5 Mounting Height: The mounting height of wall-mounted outlet

and switch boxes shall be as specified and approved by the
Engineer and measured between the bottom of the box and the
finished floor.

3.2 GROUNDING

Grounding system shall be installed as required by Drawings, and as

specified herein. Neutral conductors of the wiring system shall be
grounded at the transformer secondaries and at the panelboards, the
grounding connections shall be made as indicated on Drawings, and
as required by the IEC Code.

Devices grounding connections shall be made by means of

screw-type pressure connectors to the box's frame and receptacle
ground pin in accordance with the IEC Code.

3.3 FIELD QUALITY CONTROL

Provide checking, adjusting and testing operations on the wiring

devices installation including the following:

- All wire terminals shall be checked to assure tight connections,

electrical continuity and for short circuit
- Operate each device at least 6 times. All wiring services shall be
clean before energizing
- Adjust wiring devices to operate in the indicated and required sequence
- The tests shall be performed to detect wrong connections, short
circuits, continuity

- Test wiring devised for proper polarity and ground continuity

- Check output voltage at each output for voltage drop
- Check phase balancing at switchboard terminal
- Replace damage or defective components

END OF SECTION 262726-262816.16

Section 262726-262816.16 _ 10
24 OFFICE BLDG, EGYPT Electrical

SECTION 263213.13- PACKAGED ENGINE GENERATOR

PART 1 GENERAL

1.1 SCOPE

This section covers the equipment, installation and testing of diesel

engine and driven electric generator units. The engine generator
unit/s shall be installed as indicated on the drawings.

The engine-generator unit shall be a skid-mounted, indoor type unit

consisting of an engine, an alternator, auxiliary systems, controls, and
accessories as specified and as required for a complete operating
system.

Equipment furnished under this section shall be assembled, erected,

and placed in proper operating condition in full conformity to the
specifications of the equipment manufacturer unless exceptions are
noted by the Engineer. The engine-generator unit shall be a
standard product of the manufacturer and shall be a packaged type
unit, fully shop assembled, wired, and tested, requiring no field
assembly of critical moving parts.

1.2 REFERENCES
1.2.1 Governing Standards: Except as modified or supplemented
herein, all equipment and materials required in this section including
their installation shall conform to the applicable requirements of the
following standards. Standards current at the time of tender shall be
used.

Institute of Electrical and Electronics Engineers

Inc. (IEEE) No.

115 Test Procedures for Synchronous Machines

American National Standards Institute

ANSI No.

B16.5 Pipe Flanges and Flanged Fittings NPS ½ through NPS 24-157

National Electrical Manufacturers Association

NEMA No.

MG1 Motors and Generators

National Fire Protection Association (NFPA No.70, 72 &

Section 263213.13 _ 1
24 OFFICE BLDG, EGYPT Electrical

110) Occupational Safety and Health Act (OSHA)

B 55514 Reciprocating Internal Combustion Engines Performances.

International Commission (IEC) Standard – IEC 6004.1

1.3 COORDINATION
All equipment specified in this section shall be furnished through a
single manufacturer who shall be responsible for the design,
manufacture coordination, and proper installation and operation of
the entire system.

1.4 SUBMITTALS

Submit the following in accordance with the requirements set forth at the
Conditions of Contract.

1.4.1 Drawings and Data: Complete descriptive and engineering data

shall be submitted. These data shall consist of drawings and
photographs in sufficient detail that the construction of the
equipment is indicated, together with details, specifications,
performance curves, installation drawings, schematics, and wiring
diagrams; and foundation drawing showing location detail and size of
anchor bolts. Data submitted shall include the following:

Engine Data
- Manufacturer
- Model
- Number of cylinders
- RPM
- Bore x stroke
- Rated capacity kW
- BMEP at rated kW (including any parasitic loads and generator efficiency)
- Make and model of governor

Generator Data
- Manufacturer
- Model
- Rated kVA
- Rated kW at 0.8 PF
- Voltage
- Temperature rise above 45 C ambient for

Stator
Field
- Class of insulation
Section 263213.13 _ 2
24 OFFICE BLDG, EGYPT Electrical

Generator Efficiency Including Excitation Losses and at 80 Percent PF

- Full load
- 3/4 load
- 1/2 load
- 1/4 load

Guaranteed Fuel Consumption Rate

- Full load liters/hour

- 3/4 load liters/hour
- 1/2 load liters/hour
- 1/4 load liters/hour
Engine-generator Unit and Accessories

- Weight of base-mounted unit

- Overall length
- Overall width
- Overall height
- Exhaust pipe connection size and location
- Airflow required for combustion and ventilation, m3/min
- Heat rejected to room by engine and generator, Btu/hour
- Heat rejected to jacket water and lubricating oil, Btu/hour
- Height from bottom of base required for removing piston with
connecting rod, also for removing cylinder liner.

1.4.2 Test Reports: Copies of the manufacturer’s certified shop test record
of the complete engine driven generator. The engine-generator log
test sheets and a performance review report shall be signed by the
engine tester and certified by the manufacturer. The report shall
include brief outlines of all test procedures and shall compare actual
test results to the requirements of these specifications by means of
calculations, graphs, or charts.

Submit name and address of nearest factory authorized service and parts facility.

1.4.1 Operations and Maintenance Manuals/Charts and Spare Parts

Data: Complete operations and maintenance manuals/Charts
including spare parts data and wiring diagrams of all equipment
furnished under this section.

Section 263213.13 _ 3
24 OFFICE BLDG, EGYPT Electrical

1.5 PROJECT CONDITIONS

1.5.1 Power Supply: The power supply for the engine-generator

accessories will be 380Y/220 Volts AC, 50 Hz, three-phase, 4-wire or
as may be required by manufacturers standard.
1.6 DELIVERY, STORAGE AND HANDLING

1.6.1 Storage: The Contractor shall acknowledge storage conditions at the

time of submitting his Tender. If the equipment will not be
operational within 90 days after manufacture, the manufacturer shall
crate and prepare the equipment for export transportation and long-
term storage. Precautionary measures for prolonged storage shall be
provided by the manufacturer at the factory. The Contractor shall be
responsible for storage and maintenance of the protective measures
as recommended and instructed by the manufacturer while stored at
the storage site. The manufacturer's warranty on units held in
prolonged storage exceeding three months shall be covered by
special agreement reflecting the storage conditions.

1.6.2 Packaging: In addition to the protection specified for prolonged

storage, the packaging of spare units and spare parts shall be
similar to export packing and shall be suitable for long-term storage
in a damp location. Each spare item shall be packed separately and
shall be completely identified on the outside of the container.

Instructions for the servicing of equipment while in long-term or

prolonged storage shall accompany each item of equipment.
Advisement of enclosed instructions with each package shall be noted
on the exterior of the package in both Arabic and English.

1.7 INSTRUCTIONS AND TRAINING ON OPERATION AND MAINTENANCE

Contractor shall provide instructions and training for the staff to be
assigned in the operation and maintenance of the equipment
specified under this section. Training and instructions shall be in
accordance with the requirements set forth at the Conditions of
Contract.

Section 263213.13 _ 4
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 PERFORMANCE AND DESIGN REQUIREMENTS

2.1.1 Service Conditions: The engine-generator unit shall provide

standby electrical power. The unit shall automatically start on closure
of an "Engine Start" contact in automatic transfer switch and when
manually initiated from the control panel.

The engine-generator unit shall be designed to provide power for

both initial and future requirements as specified herein.

2.1.2 Design Conditions: The engine and generator shall be directly

connected, free from injurious torsional or other vibrations, and shall
be mounted on a steel sub-base. Each engine-generator unit shall be
designed to operate under the following conditions:

Ambient Temperature, ºC

Summer (max) 45
Winter (min) 8
Type, fuel supply diesel
Type, cooling system Water-cooled tropical radiator
Fluid Water with rust and scale inhibitor

2.1.3 Performance Requirements: The engine-generator unit shall be

capable of the following performance under the design conditions
above:

- Minimum continuous standby/kW rating as indicated on the drawings

- For the following conditions:
• Frequency, Hz: 50
• Power factor: 0.8
• Terminal voltage: 380Y/220 Volts, 3-phase, 4-wire Unless otherwise
specified
• Maximum engine speed, rpm: 1500
• Units offered at ratings in excess of their published ratings are not
acceptable.

2.2 ENGINE-GENERATOR UNIT

2.2.1 Engine: The engine shall conform to the following requirements:

- Cylinder arrangement As per manufacturer recommendation

Section 263213.13 _ 5
24 OFFICE BLDG, EGYPT Electrical

- Aspiration Turbo-charged or turbo-charged and aftercooled

- Cycle 4
- Cooling Tropical radiator
- The engine shall have a net kilo Watt rating at least equal to
actual requirements at specified continuous power rating and at
the specified conditions.

The engine shall be equipped with the following:

- Engine speed shall be an electronic governor for isochronous

regulation from no load to full load alternator output. Belt driven
or velocity governors are not acceptable.
- Fuel system as specified and suitable for operation with specified fuel.
- Oil and coolant drains each piped to edge of skid with shutoff valve or cap.
- Pressure lubrication system including a positive displacement oil
pump, pressure regulating valve, manual pre-lub pump and
electric pre-lub pump, full flow filter, oil cooler, level indicator or
dipstick, and lubrication system as specified.
- Combustion air system as specified.
- Stainless steel flexible connections for all piping connections to the unit.
- Exhaust system as specified.
- Cooling system as specified.
- Starting system as specified.
- All field piping connections to the engine generator set,
including oil drain lines, shall be terminated with a flange. Flanges
other than ANSI B16.5, Class 150, raised face shall be furnished
with companion flanges.

2.2.2 Alternator: The engine-generator unit alternator shall be a 4 or 6

pole, revolving field design with temperature compensated solid-state
voltage regulator, brushless rotating rectifier exciter system, and drip
proof construction with armature windings. The stator shall be two
bearing alternator. Only insulated bearings shall be used to prevent
ground shaft currents. Alternators shall be designed for service in severe
desert environment. The rotor shall be driven through a semiflexible
driving flange to ensure permanent alignment.

Frequency regulation under varying loads from no load to 100% load

shall be 5% (isochronous with electronic governor). The random
frequency variation shall not exceed 0.5% of its mean value for
Section 263213.13 _ 6
24 OFFICE BLDG, EGYPT Electrical

constant loads from no load to full load. Voltage regulation shall be

within plus or minus one (1)% under load from no load to 100% load,
and for constant loads from no load to 100% load shall not exceed
1% of its mean value. The momentary voltage drop shall not exceed
25 percent without starter coils dropping out or stalling the engine at
any time when applying or starting the specified loads. Recovery to
stable operation shall occur within 2 seconds.
The alternator shall have Class H insulation as defined by NEMA MG1-
1.65 and temperature rise shall be within NEMA MG1-22.40 definition
at rated condition.

The combined generator, exciter, and regulator efficiency at full

load shall be 95.0 percent or better.

Generator leads shall be brought out to bushings mounted in a rigidly

supported, dust tight, oversize terminal box.

2.2.3 Lubrication System: Pressure system with gear driven oil pump,
sump capacity sized to the engine displacement requirements. The
system shall be protected by at least one full flow replaceable spin-in
cartridge type oil filter.

A dial type differential pressure gauge shall be furnished with each

engine oil filter. The gauge shall be mounted on the filter housing and
shall indicate
when servicing of the filter elements is required. The filter shall be
mounted on the engine skid.

2.2.4 Combustion Air Filtration System: An air filtration system shall be

furnished to provide clean combustion air to the engine. The filtration
system shall include a dry type air cleaner, and all accessories and
appurtenances specified, or otherwise required for a complete properly
operating installation.

The air cleaner shall be heavy duty with a minimum of 17

tubular replaceable fiberglass filter elements installed in a vertical
position. The air cleaner shall be self-supporting, use a high intake
position with an integrated prefilter setting chamber and shall be
suitable for the future engine operating condition and performance
with a pressure drop of no more than 50 mm water column at the
future combustion airflow rate. The filter shall include an access
hatch for easy servicing of filter elements. The filter shall be of steel
construction.

2.2.5 Fuel System: The engine-generator unit shall be furnished with a

Section 263213.13 _ 7
24 OFFICE BLDG, EGYPT Electrical

complete fuel system, including but not limited to engine driven fuel
pump, duplex type strainers, shutoff valves, check valves, engine
supply and return lines, and flexible connections, all as part of the
package. All items shall be suitable for the specified fuel.

The diesel fuel drain valve for engine shall include a fail-safe spring
loaded DC power operated valve for shutoff of the fuel supply with
engine shutdown. The valve shall be located upstream of the flexible
connection in the fuel line and shall be activated from the engine oil
pressure sensor. The valve shall open on engine start initiation.

All parts of the fuel system shall be installed in full compliance with
OSHA Standard 1910.106 Flammable and Combustible Liquids.

2.2.6 Day Tank: The engine shall be provided with a separate self-
supporting or integral day tank. The day tank shall be provided with
connections for fuel supply line, fuel return line, fuel overflows line,
local fuel fill port, gauge, vent line, drain line, and float switch assembly
for control. A fuel return line cooler shall be provided as recommended
by the manufacturer and assembler. The temperature of the fuel
returning to the day tank shall be below the flash point of the fuel. A
temperature-sensing device shall be installed in the fuel supply line.
Each engine-generator set provided with weatherproof enclosures shall
have its day tank mounted within the enclosure. The fuel fill line shall
be accessible without opening the enclosure.
The day tank to supply fuel to the engine for an uninterrupted of
minimum of
8 hour period at 100 percent rated load without being refilled, plus
any fuel which may be returned to the main fuel storage tank. The
calculation of the capacity of the day tank shall incorporate the
requirement to stop the supply of fuel into the day tank at 90 percent
of the ultimate volume of the tank.

Drain Line: The day tank drain line shall be accessible and equipped
with a shut-off valve. Self-supporting day tank shall be arranged to
allow drainage into a 305 mm tall bucket. The local fuel fill port on
the day tank shall be provided with a screw-on cap.

Fuel Level Controls: The day tank shall have a magnetic float
switch assembly to perform the following functions:

- Start the supply of fuel into the day tank when the fuel level is at the
“Low”
level mark, 75 percent of the total tank capacity.
- Stop the supply of fuel into the day tank when the fuel level is at 90
Section 263213.13 _ 8
24 OFFICE BLDG, EGYPT Electrical

percent of the total tank capacity.

- Activate the “Overfill Fuel Level” alarm at 95 percent of the total
tank
volume.
- Activate the automatic fuel supply shut-off fail safe spring
loaded DC operated solonide valve located on the fill line of the day
tank and shut down the fuel pump which supplies fuel to the day
tank at 95 percent of the total tank volume. The flow of fuel shall be
stopped before any fuel can be forced into the fuel overflow line.

2.2.7 Diesel Oil Pumping Set: Provide packages type fuel oil pumping
and straining set with a capacity of four Times the total fuel
consumption of the engine at full load.

Pump sets shall be factory assembled, piped, wired and tested.

Pump shall be activated automatically by a switch in the day tank.

Piping shall be complete to suction, discharge and return line

connections. Provide gate valves and unions arranged to permit
removal of pump while the system is in operation. Install check valves
and relief valves on pump outlet and Gate valves prior to pressure
gauges.

Suction strainer shall be flanged connection type, one piece, cast iron
body, and ASTM A48 class 30, with 1.2 mm perforation brass baskets.

Oil pump shall be factory assembled on a structural steel channel

beam base to include pump, motor, flexible coupling and guards.
Pump shall be suitable for diesel oil.

Suitable manually operated fuel pump shall also be

provided.

2.2.8 Exhaust System: The engine-generator installation shall include a

critical exhaust silencer, exhaust piping, expansion joints, stainless steel
rain cap, hangers, and accessories as required for a complete operating
system. Exhaust piping and insulation shall be terminated with a single
pipe flange connection.
Hangs and supports shall be provided for the silencer and exhaust
piping such that essentially no load is transmitted to the engine
exhaust connection.

The exhaust silencer shall be a chamber type; all welded steel

construction, with suitable bracket supports for vertical or horizontal
mounting. The silencer shall be reinforced to be able to withstand a
Section 263213.13 _ 9
24 OFFICE BLDG, EGYPT Electrical

horizontal force of not less than 2224 N at the inlet connection. The
silencer size shall be such that the silencer produces half the
maximum allowable backpressure at future operating conditions with
inlet and outlet flanged connections. The silencer shall be suitable for
critical type silencing.

The silencer shall meet the following

requirements:

Midband Frequency, 31.5 63 125 250 500 1K 2K 4K 8K

Hz
Attenuation, dB 11.5 27 37.5 6.5 31 27 27 28 30

Noise attenuation required are 85 dB (A) at one meter from air intake
and outlet louvers.

Expansion joints shall be furnished in the engine exhaust piping as

indicated on the construction drawings. The expansion joint in the
horizontal exhaust piping shall be the double bellows type
fabricated of stainless steel one- piece construction with welded
ends. The expansion joint shall be designed for 50 mm lateral offset,
38 mm axial compression.

The expansion joint in the vertical riser immediately above the engine
exhaust connection shall be bellows type, fabricated of all
stainless steel with a flange on one end and a butt weld connection
on the other end and shall be designed for 6 mm lateral offset, and
vibration isolation.

A stainless steel rain cap shall be furnished and installed on the

exhaust stack to prevent the entry of dust and rain.

Insulation: Insulation for exhaust silencer and all interior exhaust

piping is to be 100 mm thick Calcium silicate molded block type of
rigid hydrous calcium silicate with thermal conductivity of 0.060
W/M-K. Outer covering shall be aluminum jacket, 0.4 mm inches
thick, and type 3003 or 5005 alloys with 4 mm corrugations. Jacket
shall have a factory applied vapor barrier on the inside with aluminum
straps over transverse joints. Adjacent section corrugations shall
overlap.

2.2.9 Starting System and Control Power: The engine-generator unit shall
include an electric motor start system. The electric start system shall
include starting motors, suitable DC Volt battery pack with rack and
cables, and battery charger. The unit shall be arranged for manual
starting, stopping, and transfer of load. The load shall be transferred to
the diesel unit when it has attained rated frequency and voltage. The
Section 263213.13 _ 10
24 OFFICE BLDG, EGYPT Electrical

engine shall be capable of starting solely from the

heat of compression. Intake and exhaust valves shall be heat-resisting
alloy steel with high tungsten-chrome alloy steel exhaust valve seat
inserts.

Electric starting shall be accomplished by an engine-mounted,

solenoid shift electric starter, capable of withstanding four
consecutive continuous cranking periods of ten seconds duration
each.

Batteries: The suitable starting batteries shall be sealed lead

acid, especially designed for diesel engine cranking service, and of a
capacity as recommended by the battery manufacturer for cranking
the engine furnished, for the necessary break-away current as
required and the spinning current for four consecutive starts of 10
seconds of cranking on each start, or for 60 seconds of continuous
cranking without being recharged and with the ambient temperature
(both engine and battery) of 0ºC. The batteries shall be mounted in a
vented, insulated, protective enclosure on a floor or skid
mounted battery rack and suitable cables shall be provided.

Battery Charger: Furnish a completely automatic battery charger for

charging the sealed lead acid batteries. The charger shall be the static
type, magnetic amplifier control with direct current voltmeter, direct
current ammeter, and potentiometer for voltage adjustment. It shall
have float and high charge rates, with a 0-24 hour high rate charge
timer. Charge rate shall be automatically determined by the state of the
battery and reducing to milliamp current on fully charged battery.
Charger shall be for 220 Volt, single phase, 50-Hertz alternating current
input, with an output of not less than 6 percent of the nominal Ampere-
hour rating of the battery. A time delay undervoltage relay shall be
provided within the charger for remote alarms.

A charger for 24VDC shall be provided as

required.

2.2.10 Cooling System: The engine shall be cooled with a pusher type
fan mechanically driven by the engine, mounted on the radiator,
power to be supplied from the generator output and to start once the
generator has attained proper operating speed. The radiator shall be
mounted on a structural skid directly in front of the engine. The cooling
system complete with radiator, expansion tank, radiator air outlet duct
flange, water pump, belt driven fan, fan guard, thermostatic
temperature control, high water temperature cutout, and electric water
jacket heater. The cooling system shall be adequate for cooling the unit
Section 263213.13 _ 11
24 OFFICE BLDG, EGYPT Electrical

at full rated load with an ambient air temperature of 50 C, and suitable

for installation in a desert climate. The radiator shall be sized to handle
the cooling of the engine and all other accessories required for proper
operation. The fan shall draw air over the engine and discharge through
the radiator. Radiator, intake and exhaust louvers with dampers, and
damper operators shall conform to NEMA and NFPA standards.

The cooling system shall be filled with suitable jacket water

treatment for the prevention of both scale formation and corrosion in
the engine water jackets and cooling system components, which
are in contact with the
engine jacket water. This treatment shall be added to the cooling
system prior to running the field acceptance test. The jacket water
heater shall be sized to maintain jacket water at 38ºC with an
ambient temperature as specified herein. The jacket water heater
shall be thermostatically controlled. A pressurized radiator cap, if
used, shall be set for 100kPa on this cooling system. The cooling
system shall include an external 3-way temperature control valve to
maintain coolant engine temperature when operating at the
minimum load, if required by the engine manufacturer.
A fabric type flexible connection shall be installed on the discharge
side of the engine-generator radiator to the wall as indicated on the
drawings. The flexible connections shall be UL listed, minimum 850
gram, glass fiber fabric, and coated on both sides with neoprene.

Engine with aftercoolers shall utilize radiator-cooling water only. No

other source of cooling water is available or will be permitted.

Before adding the water treatment, the engine jacket water system shall
be thoroughly cleaned, in accordance with the manufacturer's
recommendations, and shall be thoroughly flushed to remove the soda
ash immediately after 15 minutes of idling engine operation.

2.2.11 Control Panel: The engine shall be furnished with a control panel
mounted on the package baseplate.

The control panel shall have adequate clearance from the engine for
engine maintenance without moving the control panel.

The control panel shall be fabricated from not less than 2 mm

steel. The panel shall be equipped with an approximately full-size
gasketed door with chromium-plated or stainless steel three-point
latch and piano type hinges. The panel shall be reinforced as required
to support the control devices. The finished panel shall be thoroughly
cleaned and given a rust-inhibiting primer coat inside and out. The
panel shall be given not less than two finish coats of enamel or
lacquer of a color selected from paint samples, which shall be
furnished to the Engineer.

The control panel shall include at least, but not be limited to, the
following:

- Engine oil pressure gauge

Section 263213.13 _ 12
24 OFFICE BLDG, EGYPT Electrical

- Engine oil temperature gauge

- Jacket water temperature gauge
- Jacket water pressure gauge
- Combustion air pressure gauge
- Fuel pressure gauge
- Running time meter
- Voltage adjustment rheostat (plus or minus 5 percent)
- Emergency stop push button

All gauges shall have metric scales with ranges approximately twice
the normal gauge reading.
Nameplates shall have white letters not less than 5 mm high on
black bakelite, and shall read both in Arabic and English.
The following Control Systems shall be
included:

- Generator over speed monitoring

- Generator under frequency protection
- Generator under voltage protection
- Generator over voltage protection
- Generator reverse power protection
- Overload monitoring (100% load, load reduction)
- Generator winding protection
- Generator bearing protection
- Generator cooling air output temperature protection

Pressure and Temperature Switches: Pressure and temperature

switches shall be NEMA Type 4, with adjustable range and differential.
Required switches shall be as follows:

- A separate pressure switch shall be furnished and installed for the

following:
• Lube oil pressure - low alarm
• Lube oil pressure - low shutdown
Pressure switches shall have normally open SPST contact to make on
falling pressure.

- A separate temperature switch shall be furnished and installed

for the following (for each engine):
• Jacket water temperature - low alarm.
• Jacket water temperature - high alarm.
• Jacket water temperature - high shutdown
• Lube oil temperature - high alarm.
• Lube oil temperature - high shutdown.
Section 263213.13 _ 13
24 OFFICE BLDG, EGYPT Electrical

Temperature switches shall be complete with capillary tubes, bulbs, well

unions, and normally open SPST contact to make on rising
temperature for high temperature trips and to make on falling
temperature for low temperature trip. The remote-mounted liquid
level indicators for the fuel day tanks and lube oil tanks shall be
mounted near the oil transfer pump assembly.

Thermometers: Thermometers shall be liquid filled industrial type

and shall be furnished and installed on the engine or piping to
indicate inlet and outlet temperatures of the jacket water and
lubricating oil. All thermometers are to be installed in thermowells to
permit their removal and replacement without the loss of liquid from
the system.

Thermometers shall have metric (centigrade) scales with ranges

equal to approximately twice the normal reading.

2.3 ACCESSORIES

2.3.1 Heaters: Automatic thermostatically controlled heaters rated 220

Volts, single phase shall be provided to maintain 40ºC jacket water
and lubricating oil temperatures.

2.3.2 Base: The engine generator unit shall be mounted on a heavy skid
type base. The unit shall be capable of being moved with disassembly.
The unit shall be bolted to a concrete pad.

2.3.3 Customer Communication Module: The Customer

Communications Module (CCM) shall provide bi-directional
communication between BMS and the generator set Electronic Control
Panels. Necessary outputs shall be available for BMS to control and
monitor the points as listed below. CCM output shall be compatible for
either direct connection or connection via a Hayes compatible modem.
The module shall include a digital display to indicate the status of
communications and fault conditions. The adapter shall be
microprocessor based 100% solid state. It shall operate in -40°C to 70°C
ambient and be suitable for switchgear or similar mounting. The CCM
shall allow BMS to:
Control
- Engine start/stop
- Fault conditions reset
- Idle/rated speed switch for electronic governors
- Circuit breaker shunt trip
- Cool down
- Timer override
Section 263213.13 _ 14
24 OFFICE BLDG, EGYPT Electrical

Monitor
- Coolant temperature
- Speed
- Service hours
- Generator three-phase voltage and current
- Frequency
- Battery voltage
- Position of engine control switch
- All alarms
- Shutdowns
- Engine control panel relays
- Three customer inputs
- Diagnostic codes

Alarm Module

- One (1) Alarm module with four (4) alarm lamps, push to test, high
coolant temperature, low coolant temperature, and low fuel level.
- One (1) alarm horn
- One (1) horn silencer switch

2.4 SOURCE QUALITY CONTROL

2.4.1 Shop Tests: The manufacturer shall shop test the engine-generator
set to determine whether the equipment conforms to the specified
requirements for load capacity and starting duty.

The engine-generator shall be shop tested in accordance with IEEE

115 with its respective generator control panel. Tests for the
generator shall be sufficient to assure that the unit will operate
successfully and meet its guarantees and shall include, but not be
limited to, the following:

- Insulation resistance of all windings

- Polarity of field coils
- High potential on all windings
- Open circuit saturation
- Regulation (with regulator)
- Voltage and current balance

Test neutral grounding resistor for:

- Current transformer polarity and ratio

- Resistor continuity and resistance

Section 263213.13 _ 15
24 OFFICE BLDG, EGYPT Electrical

- Ground resistance at point of connection to

resistor

Testing Procedures: The procedure for the shop test of the diesel
engine shall follow the Diesel Engine Manufacturers Association's
standard practice, and shall also include at least, but not be limited to,
the following:

Preparation: Prior to all starts during initial tests and all starts after
new running parts have been installed, the engine shall be connected
to a separately driven lubricating oil pump and filtered oil circulated
through all the engine channels. The engine shall be thoroughly
inspected for oil leaks.

The engine shall be prelubricated for a sufficient period of time to

ensure adequate lubrication.

The fuel system shall be thoroughly flushed with clean shop

fuel.

The engine jacket water shall be treated with suitable chemicals, to

ensure water that is free of scale-forming and corrosive characteristics.
Softening engine jacket water is not sufficient treatment. A chemical
corrosion inhibitor, which does not contain chromates, shall be added in
amounts as recommended by the vendor. The engine shall be tested
with its closed cooling system.

The engine shall be tested with the governor intended for permanent
use on the engine.

Air filter or cleaner shall be used for the supply of combustion air during all

testing. The engine shall be given a suitable wearing-in run at

reduced speed, after

which it shall be brought up to its full rated speed, and load
applied in
increments and at time as recommended by the manufacturer.
Before recording any readings, all operating temperatures and
pressures shall have become stabilized and be within the
recommended limits for good operation.

Prior to the above eight-hour test run, the engine shall be wiped clean
so that any oil leaks, etc., may be readily located. Any leaks, which
develop, shall be properly corrected and the engine given a check run
at full load to assure that all required deficiencies have been properly
corrected.
Section 263213.13 _ 16
24 OFFICE BLDG, EGYPT Electrical

Testing: After the wearing-in run, the engine-generator set shall be

given a heat run for at least the time indicated at the following loads,
and performance readings taken and recorded at 15 minute
intervals starting after running 15 minutes at the new load rating.

One hour at 25 percent of full load rating required for the

engine. One hour at 50 percent of full load rating required for

the engine. One hour at 75 percent of full load rating required

for the engine. Four hours at 100 percent of full load rating

required for the engine.

The following items shall be monitored:

- AC voltage
- AC line current
- Exciter field voltage
- Exciter field current
- Output frequency
- Kilowatt output
- Temperature rise
- Engine lube oil temperature and pressure
- Engine coolant temperature and pressure
- Engine fuel consumption rate
- Engine exhaust gas temperature

Acceptance Tests: The factory acceptance test shall also include the following:
- Start cycle test
- Adjustment and calibration of fuel control and governing
modules for generator output frequency regulation and transient
response
- Speed transient test
- Testing and calibration of all malfunction and safety devices and circuitry
- Testing of all control and logic circuitry
- AC metering calibration check

Clean-up: After completion of all testing, the following is required:

- All filters and strainers shall be thoroughly cleaned and

disposable elements replaced with new units
Section 263213.13 _ 17
24 OFFICE BLDG, EGYPT Electrical

- All entrapped water shall be drained, and proper protection

applied, to prevent the entry of water during shipment or a long
period in storage
- The engine shall be given proper treatment for its protection for
a long period of storage
- All field connections shall be sealed

Section 263213.13 _ 18
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSTALLATION
Equipment and accessories installed under this section shall be
assembled, erected, and placed in proper operating condition in full
conformity with specifications, engineering data, instructions, and
recommendations of the equipment manufacturer unless exceptions are
noted by the Engineer.
The complete engine-generator unit shall be grouted in place on a level
concrete pad. Anchor bolts shall be supplied by the generator unit
manufacturer.

3.2 FIELD QUALITY CONTROL

3.2.1 Field Supervision and Tests: The Contractor shall include a minimum of three
8 hour working days allowance for the services of a competent
manufacturer's technical representative to check the installation, make
all necessary adjustments and, in the presence of the Engineer, perform
acceptance tests on the engine- generator unit to determine whether
the equipment conforms to specified requirements for load capacity and
starting duty.

As part of the field test, each of the automatic shutdown devices shall
be made to be operated and the respective values recorded at which
the devices actually stopped the engine. Any adjustments required
shall be made in the devices to make the operating values correspond
to those recommended by the engine manufacturer.

Before running the field test, submit a copy of the proposed log sheet
on which shall be recorded the load and all corresponding
temperatures and pressures as well as the total quantity of fuel
consumed during the test. The test shall consist of operations under
a load bank at the specified power rating for four continuous hours.

Readings shall be taken and recorded at 15-minute intervals over the

four- hour test period.

The Contractor shall furnish the fuel, lubricants, load bank,

instruments and all other devices necessary for the tests.

3.3 GROUNDING

Provide equipment-grounding connections for diesel engine – as

shown on the drawing details of grounding refer to section 16060.

END OF SECTION 263213.13

Section 263213.13 _ 19
24 OFFICE BLDG, EGYPT Electrical

SECTION 263533- LOW VOLTAGE POWER FACTOR CORRECTION EQUIPMENT

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of Contract including General

Conditions, Conditions of Particular Application and Division-1
Specification Section, apply to this section.

1.2 SUMMARY

This section specifies capacitor-type power factor correction

equipment for use in electrical power systems rated 600 Volts and
less.

1.3 REFERENCE STANDARDS

The design, manufacture, installation practice of plant equipment as

a part of main low tension panel shall be in accordance with one or
more of relevant publications of the following standards:

- International Electro-technical Commission (IEC)

- Institute of Electrical Engineers (IEE)
- National Electrical Manufacturing Association (NEMA)
- Egyptian Standards (ES)

1.4 STANDARD PRODUCTS

Material and equipment to be provided by the manufacturer

shall be essentially the standard cataloged products.

Standard catalogue items and IEC (or NEMA) sizes, ratings, capacities
and voltages shall be given preference.

Products and manufacturer shall be nationally “listed”, “labeled” and

“approved” from local concerned authority.

1.5 SUBMITTALS

Submit the following according to Conditions of Contract and Division 1

Specifications:
1.5.1 Product Data: For products specified, include data on
features, components, ratings and performance.

Include dimensioned plan, elevation views of enclosure and

Section 263533 _ 1
24 OFFICE BLDG, EGYPT Electrical

details of control panels.

Show access and working space requirements.

1.5.2 Special Studies: For the effect of the following systems (actual
selected sizes of the project) on the capacitors:
- Motors
- Generators

1.5.3 Three (3) complete original sets of operation and maintenance manuals.
Each set shall include:

- Lists of spare parts for 3 years and replacement to be stored at

the site for ready access.
- Detailed Operating instruction covering operation under both
normal and abnormal conditions.
- Detailed installation construction manuals

1.6 EXTRA MATERIALS

Furnish extra materials suitable for interconnection, commissioning
and operation matching all products installed and identified with
labels describing contents.

1.7 SUBSTITUTION OF MATERIALS AND METHODS

In case of any proposed deviation or alternatives, provide sufficient
data to allow evaluation of proposed offer.

1.8 SAFETY SIGNS

All access panels to the electrical equipment shall have appropriate
warning labels conforming to Section 16195.

1.9 WARRANTY AND PRODUCT QUALITY

Two (2) years warranty after the date of Substantial Completion, for
the power factor correction equipment shall be provided, for the
materials and manufacturing quality control.

Contractor shall agree to repair or replace the equipment that does

not comply with the requirements or fails in work.

Section 263533 _ 2
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 GENERAL DESCRIPTION

The system shall consist of a power factor correction unit(s) installed
in its own enclosure to achieve at least 0.95 power factor correction,
IP 42, for indoor installation, and shall be an integral part of low
voltage panel board. System includes a separately mounted current
transformer sensing current in the power circuit being corrected and
providing input to the system controls. Capacitor shall be of the
dry type and shall be capable of withstanding twice its rated
voltage for 10 seconds at rated frequency between terminals and
container. Capacitor shall also withstand 3 kV for
10 seconds, capacitor losses shall be less than 0.5
W/KVAR.

2.2 SYSTEM CONFIGURATION

The basic types of power factor correction equipment used to
incorporate the capacitor cells may include:

- Automatic Systems: System includes integrally mounted, factory

wired major components incorporating:

• Individual capacitors (440-470Vrated) shall be self-healing utilizing

dry polypropylene films as a dielectric with vacuum deposited
conductors on the polypropylene as electrode.
• Each three (3) phase capacitor shall be furnished with an approved
pressure sensitive interrupter. The interrupter shall disconnect
all three (3) phases at the same time to maintain a balanced circuit.
• Capacitors shall be contained in hermetically sealed metal cans to
prevent atmospheric contaminants from shortening the useful life.
• Dielectric material shall be low loss, less than 0.5 Watts per KVAR.
• Dry cells encapsulation medium shall be a thermoplastic material
which allows out gassing to engage the pressure interrupter.
• Terminal bushings shall withstand 10 KVAC to ground and be rated
30 kV or greater.
• Nominal design life of individual capacitor cells shall be 10 years.
• Individual capacitor cells shall be covered by a five (5) year warranty.
• All capacitor cells shall have threaded terminals for wire connection.
• To reduce line transients on system no stage shall switch more
than
120 KVAR and no capacitor cell shall exceed 50.0 KVAR.
• Multiple fused capacitor banks dry metallized dielectric, self-healing type.
Section 263533 _ 3
24 OFFICE BLDG, EGYPT Electrical

• Multiple contactors that connect capacitor banks selectively to

the output circuit. Contactors should be 660 V rated category “AC –
6b” with dampling resistors, for the repetitive high-inrush-switching
duty presented by the capacitor loading, and should be of the fast
opening and closing type. Contactors used shall help reducing the
transient starting current from 200 to 100 times (maximum) the
nominal current.
• Solid-state microprocessor-based controls (power factor regulator) that
switch the banks on and off (on flexible steps basis) to suit the
amount of power factor correction needed as load conditions change
in the distribution system served, and shall be suitable to harmonic
applications.
• Discharge resistors to discharge safely and automatically the stored
energy in the capacitors. Discharge shall be within 1 minute after
disconnection from the supply. Resistor shall be chosen to ensure 20
years minimum life.
• Potential transformer needed for the under voltage relay.
• Under voltage relay that interrupts capacitor switching for
power supply interruption longer than 15 ms.
• “Advance” and “Retard” pushbuttons on the control panel shall
permit manual sequencing of capacitor switching.
• On-off switch.
• Knobs to adjust the target power factor range from 0.75 to 1.0 P.F
inductive, and to adjust or select the step combination as well as
the delay between steps.
• Current transformer shall measure the overall current of loads and
capacitors mounted on the incoming of the main switchgear and
interconnected to the control switching.
• Air-core Type inductors coil mechanically braced to withstand short-
circuit current (S.C.C.) and installed in capacitor circuit may be
used to limit switching surges within Contactor ratings.
• Indicating lights LEDs to designate energized capacitor banks.
• Power factor meter.
• Blown fuse indicators, three (3) “push-to-test” blown fuse piolet
lights, one per phase, door mounted to indicate a blown fuse
condition.
• Circuit breakers magnetic characteristics shall be Curve “D” and as
per IEC recommendations for switching and protecting capacitors
by circuit breakers.
• HRC Fuses to provide for major, fault protection, line fuses shall be
Section 263533 _ 4
24 OFFICE BLDG, EGYPT Electrical

provided on all three (3) phases of each switched stage and fixed
bank.Line fuses shall be current limiting, recognized Class T
type or equivalent, minimum interrupting ratings shall be 200
000 Amps.

For fuses of 30 Amps. and above.

Fuses shall be designed for capacitor applications and
shall be rated not less than 200% capacitor current rating.

• Necessary filters (damp resistors) of system harmonics elimination

shall be provided.
• Alarms for:

Low power factor

Over load Over
current Under voltage
Over voltage
Over/temperature

2.3 FAULT CURRENT CONSIDERATIONS

Air-Core Type inductors and power buswork in the power factor
correction units shall withstand the mechanical forces that occur
when the prospected short circuit currents flow.

These currents shall be limited by the appropriate protective means,

and the bracing of these components shall withstand the peak
assymmetrical symmetrical short-circuit current (S.C.C.) of the
system.

The switching device should be over sized (as mentioned below) to

exceed the capacitor nominal current as follows:

- Moulded Case Breakers 150%

The wire sizes shall match the switching devices

rating.

2.4 PERFORMANCE REQUIREMENTS

- The controls shall continuously sense the power factor on the
circuit being corrected and when it differs from the target settings
for more than
10 seconds, system shall bring the corrected circuit power factor
closer to the target setting.

- The supply cables and the control and protection devices of

selected capacitor bank ratings shall be oversized to at least (1.3 x
1.15 = 1.5) times their current rating (other than installation
Section 263533 _ 5
24 OFFICE BLDG, EGYPT Electrical

derating requirements)

Only one capacitor bank shall be switched at a time.

2.5 WITHSTANDING TRANSIENTS
The construction of the system should give excellent
withstanding capability to current transients resulting from frequent
switching of the stages of a multi stage capacitor bank.

2.6 BMS SIGNAL

Provide status signal to the Building Management – or Monitoring –
System (BMS) showing all details every 10 seconds.

Section 263533 _ 6
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION
3.1 INSPECTION
Examine conditions under which centralized automatic power factor
capacitor assemblies are to be installed. Notify Engineer in
writing of conditions detrimental to proper completion of the work.
Do not proceed with work until unsatisfactory conditions have been
corrected.

3.2 INSTALLATION
Install centralized automatic power factor capacitor assemblies as
indicated in accordance with manufacturer’s written instruction,
requirements of applicable standards, and with recognized industry
practices to ensure that installation complies with requirements and
serves intended function.

Coordinate as necessary to interface installation of centralized

automatic power factor capacitor assemblies with other work.

Mount the switchboard assembly on flush steel aligning channels

elevated above floor level by a concrete pad and as noted on
Drawings. Provide
aligning shims to achieve level installation where channels cannot be
provided.

Ensure that centralized automatic power factor capacitor assemblies

are shipped in sections, which can be fitted through the available
structures and openings available.

Bond together the centralized automatic power factor capacitor

assemblies structure, sections and all conduits terminating at the
same with a 120 mm2 bare copper earth (ground) cable, and connect
to the switchboard earth (ground) bus and to the earthing
(grounding) grid as required. Provide
conduits terminating at centralized automatic power factor capacitor
assemblies with earthing (grounding) Wedges of the required size.

Tighten electrical connectors and terminals, including screws and

bolts, in accordance with equipment manufacturer’s published
torque tightening values for equipment connectors.

Provide 6.35 mm minimum thick x 60 cm wide insulation material (on

ground) in front of centralized automatic power factor capacitor
assemblies and rear of freestanding equipment and extend 30 cm
beyond ends.

Provide protective covering during construction.

Section 263533 _ 7
24 OFFICE BLDG, EGYPT Electrical

Touch-up marred or scratched surfaces to match original

finish. Provide control fuses, with five spare fuses for each
rating. Adjust operating mechanism for free mechanical
movement.
3.3 FIELD QUALITY CONTROL

Upon completion of installation of equipment and after circuitry has

been energized, test equipment to demonstrate compliance with
requirements. When possible, field-
correctmalfunctioning units, then retest to
demonstrate compliance.

Prior to energization of switchboards and centralized automatic

power factor capacitor assemblies:

- Perform insulating resistance test on each pole, phase-to-

phase and phase-to- earth for one (1) minute. Minimum test
voltage to be 1 000
Volts D.C. with a minimum resistance of 100 megohms.
- Check centralized automatic power factor capacitor
assemblies for continuity and for short circuits.
- Notify Engineer of any
abnormalities.

After assemblies are energized, demonstrate functioning in

accordance with manufacturers requirements.

3.4 MAINTENANCE

All maintenance and inspection on the capacitor assembly shall be

done with the system disconnect device in the open position.

Maintenance and inspections (before handing over of the

installation)
should be limited to 15 minutes or less so not to affect utility
billing.

An annual inspection of the capacitor cell (before the handing over of

the installation) shall be done to identify failing capacitor cells (a
bulged cover is the symptom to watch for).

END OF SECTION 263533.16

Section 263533 _ 8
24 OFFICE BLDG, EGYPT Electrical

SECTION 263623- AUTOMATIC TRANSFER SWITCHES

PART 1 GENERAL

1.1 SCOPE

This section covers the furnishing, the installing, and the

placing in operation of the Automatic Transfer Switch.

1.2 REFERENCES

1.2.1 Governing Standards: Except as modified or supplemented

herein, all equipment and materials required in this section including
their installation shall conform to the applicable requirements of the
following standards. Standards current at the time of tender shall be
used.

National Electrical Manufacturers Association

NEMA No.

ICS 1 Industrial Controls and Systems

ICS 2 Industrial Control Devices, Controllers and Assemblies
ICS 4 Terminal Blocks for Industrial Use
ICS 6 Enclosures for Industrial Control and Systems

National Fire Protection Association

NFPA No.

70 National Electrical Code

99 Standards for Health Care Facilities
110 Emergency and Standby Power Systems

Underwriters Laboratories,
Inc. UL No.

1008 Automatic Transfer Switches

1.3 QUALITY ASSURANCE

1.3.1 In staller’s Qu ali f ication s: The Contractor shall submit data

showing that he has successfully installed systems of the same
type and design as specified herein, or that the Contractor has a
firm contractual agreement with a subcontractor having not less
than ten years experience in the design and installations of such
system. Data shall include names and location of at least two
installation he or his referenced subcontractors has installed such
systems. The references shall indicate type and design of each
system and certification that each systems has performed
Section 263623 _ 1
24 OFFICE BLDG, EGYPT Electrical

satisfactorily in the manner intended for not less than three years.

1.3.2 Own er’s Accep tance an d Contractor’s Resp on sib il ity:

The Owner’s
acceptance of the Contractor’s working drawings shall not
relieve the Contractor from responsibility for errors, omissions, or
deficiencies in the work. The Contractor shall verify actual
conditions in the field and shall take all measurements necessary for
proper installation of this work.

1.4 SUBMITTALS

Submit the following in accordance with the requirements set forth at the
Conditions of Contract.

1.4.1 Drawings and Data: One line diagram of ATS assembly and
elementary or schematic and wiring diagram of the unit in plastic
lamination permanently secured to the inside of the front enclosure
door. An interface equipment connection diagram showing all
conduits and wiring between the ATS all other related equipment. The
one-line diagram shall show interlocking provisions and cautionary
notes, if any.

It shall also general arrangement and complete dimensional layout

of the equipment.

Above drawings shall show components description, technical

ratings of equipment and materials.

1.4.2 Certificates: Test certificates shall be executed and submitted prior

to final inspection and acceptance in accordance with the
requirements of NEMA/IEC standards. The certified tests reports shall
show date, time and duration of the overload, endurance and
temperature tests, and that the unit under test was not de-energized
during the test sequence. Three certified copies of each test certificate
shall be submitted to the Owner’s Representative.

1.4.3 Test Plan: Test plan and test procedures for the acceptance tests.
The test plan and test procedures shall explain in detail, step-by-step
actions and expected results to demonstrate compliance with the
requirements specified. The procedure shall also explain methods for
simulating the necessary conditions of operation to demonstrate
system performance.

1.4.4 Acceptance Tests: Test reports in booklet form showing all field
tests are performed to adjust each component and to prove
Section 263623 _ 2
24 OFFICE BLDG, EGYPT Electrical

compliance with the specified performance criteria, upon completion

and testing of the installed system. The reports shall include
the manufacturer, model number, and serial number of test
equipment used in each test. Each report shall indicate the final
position of controls and operating mode of the system.

1.4.5 Operations and Maintenance Manuals/Charts and Spare Parts

Data: Complete operations and maintenance manuals/charts
including spare parts data and wiring diagrams of all equipment
furnished under this section.

1.5 DELIVERY, STORAGE AND HANDLING

1.5.1 Storage: Supplementing the storage requirements described in Section

01605, General Equipment Stipulations the manufacturer shall
acknowledge storage conditions at the time of submitting his Tender.
The equipment may not be operational within 90 days after
manufacture, and the manufacturer shall crate and prepare the
equipment for export transportation and long-term storage.
Precautionary measures for prolonged storage shall be provided by the
manufacturer at the factory. The Contractor shall be responsible for
storage and maintenance of the protective measures as recommended
and instructed by the manufacturer while stored at the storage site.

In addition to the protection specified for prolonged storage, the

packaging of spare parts shall be prepared for export packing and
shall be suitable for long-term storage in a damp location. Each
spare item shall be packed separately and shall be completely
identified on the outside of the container.

Instructions for the servicing of equipment while in long-term or

prolonged storage shall accompany each item of equipment. An
enclosed instruction with each package shall be noted on the exterior
of the package and shall be in the Arabic and English languages.

1.5.2 Verification of Dimensions: The Contractor shall become familiar

with the details of the work and working conditions, shall verify
dimensions in the field, and shall advise the Owner’s
Representative of any discrepancies before performing the work.

1.5.3 Warranty: The Maintenance Period for the equipment and

appurtenances shall begin when the performance test on the
equipment and appurtenances has been successfully completed and
preliminary accepted as stipulated in the Conditions of Contract.

1.6 INSTRUCTIONS AND TRAINING ON OPERATION AND MAINTENANCE

Section 263623 _ 3
24 OFFICE BLDG, EGYPT Electrical

Contractor shall provide instructions and training for the staff to be

assigned in the operation and maintenance of the equipment
specified under this section. Training and instructions shall be in
accordance with the requirements set forth at the Conditions of
Contract.

Section 263623 _ 4
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 AUTOMATIC TRANSFER SWITCH (ATS)

ATS shall be double throw, electrically operated, mechanically held,

fully protected, complete with voltage sensing relay. ATS is
mechanically held and electrically operated by a single solenoid
mechanism energized from the source to which the load is to be
transferred. ATS shall be suitable for use in emergency or standby
systems described in NFPA 70. ATS shall be UL listed or any other
European Standard, and test reports are approved as being equivalent
of test results and certified test reports as those determined and
reported by UL or any other European Standard. ATS withstand
symmetrical short circuit RMS is 50 kA except that the ATS shall not
be equipped with either overload or fault current protective devices
and shall be designed and manufactured to prevent stops in an
intermediate or neutral position during transfer by the use of electrical
actuators and stored-energy mechanisms.

Automatic Transfer Switch (ATS) shall have a continuous phase or

main current rating equal to or exceed the rating shown but, in no
case, less than
125 percent of the full load rating of the emergency power
source, 380 Volts, 4P, 50 Hz and 50 kA symmetrical minimum
interrupting capacity, or as shown on the drawings No circuit breaker
system shall be allowed.

2.1.1 Override Time Delay: Time delay to override monitored source

deviation shall be adjustable from 0.5 to 6 seconds and factory set at
1 second. The device shall detect and respond to a sustained voltage
drop of 30 percent of nominal voltage between any two of the
normal supply conductors, and initiate transfer action to the
emergency source and start the engine-driven generator set after
the set time period. The pickup voltage shall
be adjustable between 90 to 100 percent of nominal and factory set
90 percent. The dropout voltage shall be adjustable from 65 to 70
percent of the pickup value, and factory set at 70 percent of nominal
voltage.

2.1.2 Transfer Time Delay: Time delay before transfer to the emergency
power source shall be adjustable from 0.2 to 120 seconds and factory
set at 10 seconds. The device shall monitor the frequency and
voltage of the emergency power source and transfer when
frequency and voltage is stabilized at or above 90 percent of rated
values. The pickup voltage shall be adjustable from 85 to 100 percent
of nominal, and factory set at 90 percent. The pickup frequency shall
Section 263623 _ 5
24 OFFICE BLDG, EGYPT Electrical

be adjustable from 90 to 100 percent of nominal and factory set at 90

percent.

2.1.3 Return Time Delay: Time delay before return transfer to the normal
power source shall be adjustable from 2 to 30 minutes and
factory set at 30 minutes.
The time delay shall be automatically defeated upon loss or
sustained undervoltage of the emergency power source, provided
that the normal supply has been restored.

2.1.4 Auxiliary Contacts: Two normally opened and two normally

closed auxiliary switches shall operate when the transfer switch is
connected with the normal power source, and two normally opened
and two normally closed switches shall operate when the transfer
switch is connected with the emergency power source.

2.1.5 Control Panel: The transfer switch shall be equipped with a

microprocessor based control panel. This panel will perform the
operational and display functions of the transfer switch. The panel
digital display shall be accessible without opening the door of
enclosure and can be connected to BMS system via serial or parallel
ports to transfer all data by implementing lon, backnet, modulus
protocol.

2.1.6 Supplemental Features: The ATS shall also be furnished with the following:
- Engine start contact
- Pilot lights to indicate switch positions
- Alternate source monitor
- Test switch
- Close differential protection
- Three-position selector switch “STOP”, “TEST”, “Automatic”

2.1.7 Motor Starter Control: Undervoltage and timing relays, including

any auxiliary relays required, shall be installed in the ATS enclosure to
provide an adequate number and type of properly rated contacts to
control the operation of remote motor controllers or starters shown.
Devices and wiring in an external to the ATS shall cause motors to be
de-energized for an adjustable period of time before the operation of
the ATS in either direction and, subsequently, to cause motors
connected to the ATS load bus to be energized immediately after
transfer at time intervals shown. The time range shall be approximately
from 1 to 15 seconds and factory set at 3 or 5 seconds.

2.1.8 Operator: A manual operator, conforming to the applicable provisions

of UL

Section 263623 _ 6
24 OFFICE BLDG, EGYPT Electrical

1008, shall be provided to permit manual operation of the ATS without

opening the ATS enclosure, and incorporate features to prevent
operation by other than authorized and qualified personnel. The ATS
shall be designed for use of the manual operator under no load
conditions in the usual instances, but with the capability of operation
under load conditions when necessary.
2.1.9 Green Indicating Lights: A green indicating light shall supervise
the normal power source and shall have a nameplate engraved
NORMAL.

2.1.10 Red Indicating Lights: A red indicating light shall supervise the
emergency power source and shall have a nameplate engraved
EMERGENCY.

2.2 ENCLOSURE

ATS and accessories shall be in a wall mounted, free-standing or floor-

mounted IP 30, smooth sheet metal enclosure constructed in
accordance with UL 1008. Intake vent shall be screened and filtered.
Exhaust vents shall be screened. Gauge of the metal shall be not less
than 2 mm. Doors shall have suitable hinges, locking handle latch, and
gasketed jambs. Enclosure shall be equipped with at least two approved
size and type of grounding lugs or bar for the purpose of grounding the
enclosure using at least 25 mm2 copper conductors to the facility
ground system. A thermostatically controlled heater shall also be
provided within the enclosure to prevent condensation over the
temperature range stipulated in paragraph SERVICE CONDITIONS.
Factory wiring within the enclosure and the Contractor's field wiring
terminating within the enclosure shall comply with NFPA 70. If wiring is
not color coded, wires shall be permanently tagged near the terminal at
each end with the wire number shown on approved detail drawings.
Terminal blocks shall conform to NEMA 3S. Terminal facilities shall be
suitably arranged for entrance of external conductors from the top or
bottom of the enclosure or from the top and bottom, as shown. Main
switch terminals, including the neutral terminal, shall be of the pressure
type and suitable for the termination of the external copper conductors
shown. Extension of bars can be connected to the terminal to accept the
conductors.

2.2.1 Construction: Enclosure shall be constructed for convenient

removal and replacement of contacts, coils, springs and control
devices from the front without the disconnection of external power
conductors or the removal or disassembly of major components.
Enclosure housing of ATS shall be constructed to protect personnel
from energized components.
Section 263623 _ 7
24 OFFICE BLDG, EGYPT Electrical

2.2.2 Finishing: Painting required for surfaces not otherwise specified and
finish painting of items only primed at the factory shall be as
manufacturer’s recommendations

2.3 TESTING

2.3.1 Laboratory Testing: Testing shall be completed on the ATS to be

supplied under these specifications, or shall have been completed on
a previous, randomly selected standard production ATS unit having
the same model number and capacity as the ATS specified.
Endurance and temperature tests shall be conducted in that
sequence and within the shortest practicable period of time on the
same ATS without de-energization of that ATS under test. The test
sequence for the ATS listed below shall be followed. No deviation
will be granted that is less stringent. Approval will not be granted to
deviate from the endurance and temperature test sequence.

- General
- Normal Operation
- Overvoltage
- Undervoltage
-Endurance
- Temperature rise
- Dielectric Voltage - Withstand
- Contact Opening
- Dielectric Voltage
- Withstand (Repeated)
-Withstand
- Instrumentation and Calibration of High Capacity Circuits
- Closings
- Dielectric Voltage - Withstand (Repeated)
- Strength of Insulating Base and Support

2.3.2 Factory Testing: In addition to other factory tests, each

completely assembled ATS unit shall be subjected to dielectric and
operational tests, and withstand tests.
Withstand Test in Excess of UL 1008 Requirements: The ATS shall be
tested and rated to withstand an available fault or short-circuit
current, or as shown on the drawings.
Dielectric Tests: Tests shall be performed in accordance with NEMA
ICS
1. Wiring of each control panel shall be subjected to voltage surge
tests as stipulated in IEEE C37.90.1. Impulse withstand rating tests
shall be performed in accordance with the requirements of NEMA ICS

Section 263623 _ 8
24 OFFICE BLDG, EGYPT Electrical

Operational Tests: Tests shall be performed and shall demonstrate

that the operational sequence of each ATS unit conforms to the
requirements of the specifications with regard to operating transfer
time, voltage, frequency, and timing intervals.

2.4 CONNECTION WITH BMS

The ATS Supply should prepare the equipment for connection with
BMS either by auxiliary contacts or via several port RS 485
communication capable to implementing the lon, back net, modbus
opc, etc.., protocols to monitoring, control and alarming the ATS.

Section 263623 _ 9
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSTALLATION
The ATS shall be installed as indicated and in accordance with
approved manufacturer's instructions.

3.2 OPERATIONAL TESTING

Following completion of the installation of each of the ATS, the
Contractor shall perform operational tests in accordance with the
written instructions of the manufacturer after having made proper
adjustments and settings to demonstrate that each of the ATS
functions satisfactorily and as specified. The Contractor shall advise
the Owner’s Representative not less than 5 work days prior to the
scheduled date or dates for operational testing, and shall provide
certified field test reports to the Owner’s Representative within 2
calendar weeks following successful completion of the operational
tests. The test reports shall describe all adjustments and settings
made and all operational tests performed.

END OF SECTION 263623

Section 263623 _ 10
24 OFFICE BLDG, EGYPT Electrical

SECTION 264100LIGHTNING PROTECTION SYSTEMS

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provision of the Contract including General

Conditions, Conditions of particular Application and Division-I
Specification Sections, apply to work of this Section.

1.2 DESCRIPTION OF WORK

1.2.1 This Section covers lightning protection system work as indicated on the
Drawings and in schedules.

1.2.2 Types of lightning protection system material and components

specified in this Section include the following:

- Tape network
- Conductors
- Connectors
- Grounding plates
- Grounding rods
- Rod clamps
- Splicers
- Wire/Cable

1.2.3 All components that are part of the Work covered by this Section
shall comply with requirements of BS EN 62305 –2006 and BS EN
50164.

1.2.4 Related Work Specified Elsewhere.

- Refer to Section 16050 – Basic Electrical Materials and Methods

- Refer to Section 16060– Grounding and Bonding

1.3 QUALITY CONTROL

1.3.1 Design Criteria: Design, manufacture, testing and method of installation

of all apparatus and materials furnished under requirements of these
specifications shall conform to latest publications or standard rules of
the following:

- Local statutory authorities

Section 246100 _ 1
24 OFFICE BLDG, EGYPT Electrical

- Other Standards
- Regulations for the Electrical Equipment of Buildings (BS)
published by the Institution of Electrical Engineer (IEE), (now BS)
London.
- British Standards.
- British approvals service for Electric Cables (BASEC).

1.3.2 Quality Control/Quality Assurance: The Quality

Control/Quality Assurance duties shall be performed by the
Contractor and be audited and verified by a reputable Independent
Third Party. Contractor shall submit proposed Independent Third
Party companies for Engineer approval. All costs in connection with
the Independent Third Party shall be paid by the Contractor and shall
be deemed to be included in the agreement price. The system of
quality control verification by the Third Party shall be in accordance
with ISO 9000 Standards of Quality Assurance.

1.4 SUBMITTALS

1.4.1 Manufacturers Technical Data: During the time of the contract

and as required by the Contract program, submit to the Engineer
three (3) copies of descriptive literature, technical data, and
maintenance recommendations (from the equipment manufacturer),
catalogues etc.

1.4.2 Installation Instructions: Submit to the engineer complete

manufacturers installation instructions of all the products used.

1.4.3 Calculations: Calculations to indicate number of earth rods required

from results of Earth Resistivity Tests.

Section 246100 _ 2
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Lightning Protection System Components: Provide lightning

protection system material and components of types, sizes, ratings
for class of service indicated, which comply with manufacturer's
standard materials, design, and construction in accordance with
published product information, and as required for complete
installation and as indicated on the relevant layouts/drawings. Where
type, components or materials are not otherwise indicated, comply
with requirements of BS EN 62305 and BS EN 50164.

Main Conductors: Bare annealed copper strip of cross sectional area

25 mm x 3 mm. Any location where the tape is in view of general
public, PVC covered tape (color to the approval of the Engineer) shall
be used.

Secondary Conductors: Continuous, dedicated reinforcing bars

(individual bars welded together) within columns and structural walls.

Ancillary Components

Connectors: bronze parallel bonding clamp for connecting 70 mm² cables

(green/yellow).

Splicer: Bronze straight cable splicer for splicing 25 mm conductors.

Splicer: Bronze pressure Type “T” cable splicer for clamping standard
conductors with hex bolts and washers.

Ground Rod: Solid copper clad steel 20 mm diameter x minimum

3.6 m length (in 1200 mm sections).

Bonding Plate: 5000 sq. mm steel plate with 50 mm diameter bolt-

hole for bonding cable to structural steel with vice-grip type cable
connector with
100 mm of cable contact.

Section 246100 _ 3
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 INSTALLATION/APPLICATION/PERFORMANCE/ERECTION

3.1.1 Installation: Install lightning protection systems as indicated,

in accordance with equipment manufacturer’s written instructions,
and in compliance with applicable requirements of BS EN 62305:

- Down conductors shall be continuous, dedicated reinforcing bars

(individual bars welded together) within columns and structural walls
as shown on the drawings, bonded to the general reinforcing at all
possible locations.
- The air termination network shall consist of the roof and parapet
mounted bare annealed copper strip of cross sectional area 25mm x
3mm. All exposed metal work on the roof of the structure shall be
securely bonded to the air termination network with 25mm x 3mm
strip and purpose made clamps, or 70 mm2 PVC insulated
(green/yellow) single core cable properly lugged and welded.
- Metal work on or in a structure, which is within the
recommended safe location distance shall be bonded to the
lightning conductor system with
25mm x 3mm copper strip and purpose made clamps.
- Any extended metal running through the structure within
the safe isolation distance of the conductor system shall be
bonded at the top and bottom to the lightning conductor system
with 25mm x 3mm strips and purpose made clamps.
- Joints between any ferrous, steel or aluminum structures or
equipment casings and the copper lightning protection system
shall be via suitable bimetallic connectors.

- Bonds shall be of the same material as the main lightning

conductor network, except where they are installed direct in the
ground when they shall be 25mm x 3mm copper strip. Under no
circumstances shall an aluminum strip be installed direct into the
ground.
- Copper strip conductors shall be fixed with naval brass/gunmetal
clamps installed at 1 metre centres.
- Joints from the down conductor reinforcing bars shall be carried
out as per BS 62305 approved products.
- All metal services such as gas and water mains, electric and
telephone cable armour/sheaths etc., shall be bonded to the
lightning conductor system with 25mm x 3mm flexible tinned
copper strip from their point of entry to the structure. The
Section 246100 _ 4
24 OFFICE BLDG, EGYPT Electrical

bonding shall be to the nearest down conductor made by a test

clamp.

Coordinate with other work, including electrical wiring and roofing

work, as necessary to interface installation of lightning protection
system with other work.

Install conductors with direct paths from air terminals to

ground connections avoiding sharp bends and narrow loops.

Provide equipment grounding and bonding connections, sufficiently

tight to assure permanent and effective grounds and bonds for
lightning protection connection devices.

Joints in conductors shall be kept to a minimum and will not be

permitted without the express permission of the Engineer. Joints
shall be both electrically and mechanically sound and constructed
so as to prevent the ingress of moisture.

Joints between copper strips shall be made using a molecular

welding process. The welding process shall be carried out in
accordance with manufacturer’s recommendations.

Where connections occur between dissimilar metals, the joints shall

be enclosed in an inert, tenacious material such as bitumen or plastic
compound. The enclosing compound shall extend at least 50 mm
beyond each end of the joint.

Copper tape forming the aerial network and down conductor at roof
level shall not be visible from ground level. Where
discontinuities occur in parapets etc, then tapes shall be run down
the concealed side of the parapet and joined to the lower level in
approved manner, and then rise to the next level where appropriate.

3.1.2 Performance

Quality Assurance: Manufacturers firms regularly engaged in

manufacture of lightning protection system components, of types, sizes
and ratings required.

Installer's Qualifications: Firm with at least two years of

successful installation experience with projects utilizing lightning
protection systems similar to that required for this project.

BS Compliance: Comply with requirements of BS EN 62305,

as applicable to lightning protection systems for building projects.
Section 246100 _ 5
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Testing: Upon completion of installation of lightning protection

system, test resistance-to-ground (earthing connection) with
resistance tester. Where tests indicate resistance-to-ground is over
10 ohms, take appropriate action to reduce resistance to 10 ohms or
less, by driving additional, properly spaced, ground rods, and treating
soil in proximity to ground rods with common salt, copper sulphate
or magnesium sulphate. Then retest to demonstrate compliance
without any additional cost to the Employer.

Perform resistance-to-ground tests of lightning protection system

periodically, at six month intervals or less, following time of substantial
completion during maintenance period and submit written report
indicating results. Where resistance is greater than 10 ohms, chemically
treat soil to reduce resistance to
10 ohms or less, then retest to demonstrate compliance without any
additional cost to the Employer.

Submittals

Product Data: Submit manufacturer's data on lightning protection

systems and associated components.

Shop Drawings: Submit layout drawings of lightning protection

system equipment and components including, but not limited to,
conductor routing, connections, and grounding.

Personnel Training: Building Maintenance Personnel Training.

Train Client's building maintenance personnel
in procedures for testing and determining resistance-to-ground
values of lightning protection system. Instruct maintenance
personnel in preparation and application of chemical solution for
each surrounding grounding rods for reducing ohmic resistance to
required levels.

END OF SECTION 246100

Section 246100 _ 6
24 OFFICE BLDG, EGYPT Electrical

SECTION 16500- LIGHTING

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of Contract including General

Conditions, Conditions of Particular Application and Division-1
Specification Sections, apply to work of this Section.

1.2 DESCRIPTION OF WORK

This section covers partially the work of indoor lighting and

ancillary fittings and the work of outdoor lighting as required by the
Contract and includes the following items:

- Lighting Fittings
(Luminaires)
- Ballasts
- Lamps
- Lighting
Switches

Indoor lighting and ancillary fittings of service areas in all project

locations are covered under this section.

Extent of lighting work and ancillary fittings covered by this

section are indicated on Drawings.

1.3 REFERENCE STANDARDS

The work to be performed under this section shall be in strict

compliance with the applicable regulations and standards cited in
Section 16050.

1.4 SUBMITTALS

Submit the following in accordance with Conditions of the

Contract, Division-1 Specification Sections:

1.4.1 Submit 3 Complete Sets of:

- Original catalogs showing all luminaires technical specifications

and components
- Material lists reading: name of product, its trade and origin of

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24 OFFICE BLDG, EGYPT Electrical

manufacturing and equipment data for lamp, ballast, wire and

diffuser as follows:

Lamp Data: Trade, model, origin, type, wattage, lumen,

color rendering, color temperature, lifetime, efficacy and shape.
Ballast Data: Trade, model, origin, type, P.f., ignition time,
approval mark and number of lamps per ballast.
Luminaire Data: Body, diffuser, number of ballasts, wire type
and temperature rating.

- Fittings shop drawings including wiring details of luminaire, ballasts, etc.

1.4.2 Detail layout shop drawings are coordinated with all other trades
(architectural, landscape, HVAC, fire alarm, fire fighting, etc.) using scale
1:50. These drawings shall identify, but not limited to, the following:

- Wiring connections between lighting fixtures, switches, home runs

up to the panelboard
- The circuit reference, wiring size, conduit size and run, junction boxes
- The supply source type (normal, emergency)
- The switching device tag number
- Mounting details

1.4.3 Certificates of compliance codes.

1.4.4 Samples of the specified products

1.4.5 Calculations as per proposed Vendor’s software to verify the design, layout,
furniture and code lux values.

1.5 DELIVERY, STORAGE AND HANDLING

Materials and products shall be securely packed for delivery, with

waterproofed type providing protection against excessive heat,
humidity and water damages.

Great care shall be taken in storing luminaires on Site to prevent

unnecessary damage by stacking too many luminaires, causing
disfiguration of the canopies. The Contractor shall be responsible for
any damage to the luminaires and shall replace any damaged
luminaires free of charge.

1.6 RELATED SECTIONS

Section 265100 _ 2
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The following sections include requirements, which relate to work

of this section:

16050 Basic Electrical Materials and Methods

16060 Grounding and Bonding
16120 Wires and Cables
16130 Raceways, Boxes and Cabinets
16140 Wiring Devices

Section 265100 _ 3
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PART 2 PRODUCTS

2.1 GENERAL

Provide all new lighting fittings, wall brackets, lamps, poles,

auxiliary lighting units and other fixtures and materials, including
proper space, and complete the interior and exterior lighting
installations as shown on Drawings, specified and required.

Equipment shall have the manufacturer's corrosion resistant

finish. Lighting equipment shall be completely fabricated, assembled,
wired, checked and tested at the factory.

Luminaires have been selected to provide the illumination levels in

accordance with Chartered Institute of Building Services
Engineers, CIBSE. For indoor installations and with lighting
handbook IES for outdoor. If the space envelope and/or furniture
layout of any facility is changed from Drawings, the Contractor shall
adjust the lighting layout for that space to maintain these standards.
The list of illuminance levels as in Appendix A of this section.

All luminaries shall be manufactured to IEC 60598-1 and

60598-2.

All luminaries supplied by the Contractor shall be photometrically

tested. The Contractors shall produce upon request, the

photometric data for any

luminaire specified or
supplied.

All luminaries shall be provided with a lamp compatible with the

control gear used.

Luminaries shall not be suspended by their flexible cord. A separate

means of suspension shall be provided.

All flexible cords shall be anchored at both ends such that the cord is
free from strain.

Any plastics used in the luminaire shall be light and UV stable and
shall be suitable for their application.

All sheet steel components shall be suitably pre-treated and

electrostatically spray-painted using acrylic polyester or epoxy
powders.
Section 265100 _ 4
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Non-compatible materials shall not be used in contact with each

other.

Louvers shall be restrained to prevent them from failing out of the

body of the luminaire under normal conditions and when relamping.
Metal louvers shall be earthed to the body of the luminaire or the
earth terminal.

Diffusers shall be restrained to prevent them from falling out of the

body of the luminaries under normal conditions and when relamping.

Luminaries fitted with high frequency or electronic control gear shall

be disconnected before the circuit is tested for insulation resistance.

All luminaries designed for internal use shall be constructed to IP 20

and be
Class 1 unless otherwise
stated.

All luminaries designed for external use, pump rooms, garages,

etc., shall be constructed to minimum classification of IP 54 and be
Class 1 unless otherwise indicated.

2.2 LIGHTING FITTINGS, GENERAL

Fluorescent, and incandescent lighting equipment shall be surface,

recessed and pendant types as indicated in schedules and individual
lighting fittings specifications. Lighting fittings shall be complete
including all the required components, ballasts, lamps, wiring,
hardware, fasteners suspensions and supports.

Wiring: Connection to the main circuit wiring shall be 3-wire

of a minimum core size of 3 mm2, earthing shall be connected.
The wiring from ceiling rose shall be heat resisting.

The Contractor shall not order any lighting fitting until final approval
of the type, color and surface finish has been given by the Engineer.

Lamps and Lamp-holders: Lamps shall be provided for each lighting

fitting. Service bases wattage and mounting shall be compatible with
the fitting specified. Lamps operating voltage shall be single phase, 220
V, 50 Hz.

2.3 HIGH INTENSITY DISCHARGE LUMINAIRES

Section 265100 _ 5
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High Intensity Discharge (HID) fixtures shall be fabricated from heavy

gauge steel with metal parts joined together to form rigid housings
or be assembled with cast aluminum housing, if not specified
otherwise.

2.3.1 HID Ballasts: Indoor-outdoor type ballast shall be provided for the
HID fixtures. The ballast shall be for single lamp, 220 V, 50 Hz and
wattage as specified, and utilize modified constant wattage circuiting.

2.3.2 HID Lamps: HID type of lamps shall be as per drawings. Initial
light output shall be minimum 100 lumens per Watt.

2.4 FLUORESCENT LUMINAIRES

Fluorescent luminaires shall comply with BS 4533 for Class I ordinary,

indoor normal atmospheres.

A gasket shall be fitted between the diffuser and the body to form
an effective seal.

Unless otherwise stated fluorescent tubes of the size, Watt and

color detailed in the schedules shall be supplied with each luminaire.

All cables shall be secured within the luminaire body to prevent loose
lengths from touching hot surfaces or becoming trapped beneath
cover plates. Cable clips or cleats shall be captive and not by
adhesive.

Control gear shall have power factor correction to achieve a

minimum p.f. of 0.9 lagging.

The control gear enclosure shall be designed to limit the maximum

temperature of the ballast to its stated rated temperature.

Wiring within the fixture and for connection with the branch circuit
wiring shall not be less than 1.5 mm2 for 220 Volts application.
Insulation shall be silicone rubber.

Aluminum reflectors and louvers shall be made of high purity

aluminum (99.9% minimum) with low or very low iridescence. The
anodic film shall have a minimum thickness of 2.5 microns.

Louvers and reflectors shall be packed separately from the luminaire

body and protected against damage.

Louvers shall not be installed using bare hands. Any louvers found with
Section 265100 _ 6
24 OFFICE BLDG, EGYPT Electrical

finger, palm marks or builders dirt and dust shall be removed and
cleaned using a high pressure hose with Kodak 600 dirt emulsifier or a
similar method approved by the louver manufacturer. Louvers shall not
be wiped clean.

Diffusers shall be made of UV stabilized acrylic or light stabilized

polycarbonate, injection molded or equal and approved.

The diffusers shall not support combustion and shall be self-

extinguishing. Lamps of dimming circuits shall be of the same

color temperatures and

color appearance. To maintain a constant appearance, all lamps
on
dimming circuits shall be changed at the same
time.

2.4.1 Electronic Ballasts: Solid-state, high frequency full-light-output,

energy- saving type compatible with energy-saving lamps.
Conform to FCC
Regulations Part 15, Sub-part J for electromagnetic interference.
Conform to IEEE C 62.41, "Guide for Surge voltages in Low-voltage AC
Power Circuits", Category A, for resistance to voltage surges for
normal and common modes for dimmable type 0-10 Volt technology
shall be applied as follows:

- Minimum Power Factor: 90 percent

- Minimum Operating Frequency: 20,000 Hz
- Third Harmonic Content of Ballast Current: Less than 33 %.

2.4.2 Fluorescent Lamps: Shall be slim tube energy saving (high lumen)
type with natural white, medium bi-pin, type. Compact fluorescent
shall be as indicated in fixture.
2.5 INCANDESCENT LUMINAIRES

Incandescent luminaires shall have, unless otherwise stated,

porcelain enameled formed sheet steel housing or die-cast aluminum
housings. Fixtures shall include both open and closed types.
Fixtures shall
accommodate screw shell base of specified size.

Luminaries for incandescent light sources shall be designed to

accommodate the specified lamp.

Where the specified lamp is either unsuitable for the luminaire

or the construction of the luminaire is liable to affect the life of
Section 265100 _ 7
24 OFFICE BLDG, EGYPT Electrical

the specified lamp, alternatives shall be offered to the Engineer.

Care shall be taken in handling quartz envelope lamps, where the

lamps should not be handled directly. Where this does occur, the
lamp should be cleaned using a soft cloth moistened with white
spirit.

Luminaries using low voltage Tungsten Halogen lamps shall each be

supplied complete with its own transformer unless otherwise stated.

Wire wound transformers shall be rated at 230/11.8 V and

comply with
IEC 60742, Class II and be insulated to Class H of IEC standards.

Transformers shall be protected against overload and short-

circuiting.

Where multi point transformers are specified, voltage regulation

shall be a maximum of 6% and each luminaire shall be wired
separately.

Final connections with luminaries shall be carried out using silicon

rubber sheathed cables.

Where low voltage tungsten halogen lamps are to be dimmed, the

dimmer shall be of the hard fired type suitable for inductive loads.

Transformers used in dimmed circuits shall be down rated as

recommended by the manufacturer.

Electronic transformers shall be designed to IEC 60 742 and

34C/Comex (pk) 8 and 14 with RFI suppression to a minimum
standard of IEC 60875 and shall comply with the EMC directive.

Electronic transformers shall have short circuit and overload

protection. Electronic transformers shall contain a soft start circuit

and be self-regulating.

Electronic transformers used in dimmed circuits shall be suitable for

dimming. The dimmer shall be compatible with the transformer
and be recommended by the transformer manufacturer.

When installed in ceiling voids, the transformer shall be properly

Section 265100 _ 8
24 OFFICE BLDG, EGYPT Electrical

supported to avoid the transmission of vibrations.

Transformers shall be located away from high temperature parts of

the lamp and luminaire or any other heat radiating surface in the
void.

Lamp holders in dichroic or capsule luminaries shall be easily

accessible for relamping.

Lampholders for Tungsten Halogen lamps shall be of the best quality with
ceramic bases suitable for the currents and temperatures achieved during
constant use.

Springs and other metal parts in the lampholder assembly shall not
deteriorate during use, such that poor contact arcing, welding or
slackness can occur.

Dichroic and Sealed Low Voltage Tungsten Halogen

Lamps:

- Where sealed low voltage lamps are used the luminaire shall be
designed to cope with the increased temperature.
- Where dichroic lamps are used the internal wiring shall cope
with the increased temperature.
- All lamps shall be of the captive type and supplied with a GU 5.3
base.

Capsule Low Voltage Lamps:

- Capsule lamps shall not be installed using bare

hands.
- Where capsule lamps are used the envelope shall be made of
quartz glass.
- Where capsule lamps are used a protective glass shall be
incorporated into the luminaire design.

Mains Voltage Tungsten Halogen Lamps:

- Luminaries’ design to accommodate double-ended mains

voltage Tungsten Halogen lamps shall be designed to ensure
that a minimum bulb wall temperature of 250°C and a maximum
pinch point temperature of 350°C are achieved.

2.6 LAMPS

Section 265100 _ 9
24 OFFICE BLDG, EGYPT Electrical

2.6.1 General: Lamps shall be of wattage and types as shown on the

Drawings.

Lamps shall be furnished and installed in all lighting fixtures

supplied.

2.6.2 Fluorescent Lamps: Lamps shall have bi-pin bases and a

minimum approximate rated life of 12 000 hours.

Unless otherwise indicated on the Drawings all fluorescent lamps

shall have the color rendering index (84) and equal to “TL” D 36 W
(26 mm diameter) and “TL” D 18 W (26 mm diameter) or T5 14 W.

2.6.3 Incandescent Lamps: Incandescent lamps 200 Watts and below

shall be inside frosted type.

Lamps shall be for operation at 220 Volts with a minimum

approximate rated life of 1000 hours.

Lamps shall have an E.S. screw base for lamps up to 200 Watts
and a
G.E.C. screw base for lamps 300 Watts and
larger.

2.6.4 Compact Fluorescent Lamps: Luminaries containing compact

fluorescent lamps shall be designed to ensure the correct working
conditions for the lamps.

All compact fluorescent luminaries shall be supplied with low loss

control gear and single pulse electronic starters.

Compact fluorescent lamps shall be suitable for operation with either

conventional or high frequency ballasts.

2.6.5 Emergency Lighting System: Exit sign shall be manufactured to meet

the appropriate requirements of IEC or DIN/VDE Standards.

All “Exit” signs and fire safety signs shall be of the pictogram type utilizing
the pictograms as give in IEC or DIN/VDE Standards. Where wording is
incorporated on the signs it shall be in accordance with ICE or DIN/VDE
standards.

Sizes of lettering shall comply with IEC or DIN/VDE

Standards.

Self-energized signs (in respect of luminosity) shall comply with IEC or

Section 265100 _ 10
24 OFFICE BLDG, EGYPT Electrical

DIN/VDE Standards.

Each sign shall be internally illuminated by two separate systems of

lighting. The housing shall be designed to maintainan

internal ambient
temperature below that of the lowest temperature rating of
any piece of equipment installed therein.

2.7 OUTDOOR LIGHTING

2.7.1 General: Outdoor lighting systems shall be suitable for the

climatic conditions in Site area as specified and as per Drawings.

Outdoor lighting panels subject to be controlled through

photocell and timer operated contactors.

2.7.2 Lighting Columns, Luminaires and Floodlights:

Description

This work shall consist of supplying, installing and putting into

satisfactory operation lighting columns complete with luminaires,
brackets, wiring, distribution equipment, control gear and associated
materials located as detailed on the Drawings.

Lighting Columns

Lighting columns shall be of the height specified and be of multi-

sided section tapered type, made of steel.

General, unless otherwise specifically indicated, column walls shall have

a minimum thickness of 4 mm and the overall diameter of the column
at its base shall be sufficient to accept the cable termination and control
equipment.

The column tops shall be designed to receive the approved luminaire

or group of projectors to form an aesthetic homogeneous assembly.

The Contractor shall calculate the column section thickness of steel

etc., so that the column once installed and fully equipped shall be
able to withstand a wind of 100 km/hr blowing in the most
unfavorable direction. The effect of the luminaire/projector head,
which shall be assumed as not less than a resistance of 25
kg/luminaire plus any special bracketing should be taken into
account. Appropriate reinforcement shall be provided where needed
to increase the strength.
Section 265100 _ 11
24 OFFICE BLDG, EGYPT Electrical

The fatigue of the steel shall in no case exceed half of the elasticity
limit, taking into account the dynamic stresses due to vibrations.

A synthetic rubber gasket fitted into the frame shall ensure the
tightness. The structural support of the gasket shall be designed to
protect the latter from direct sunlight.

The refractor-frame assembly shall be hinged to the body and

maintained in place with stainless steel fixing spring clips, a
neoprene gasket shall ensure a very thorough dust tightness.
Removal of the refractor frame assembly from the hinge shall be
possible without tools.

The lamp socket shall be made of high-grade porcelain, mounted in a

die-cast U-shaped support bracket allowing the socket to be moved
into at least three different axial positions and three different vertical
positions to adjust the lamp at focal point. A locking system shall
prevent loosening of the lamp.

Special precautions shall be given to the choice of materials, which

shall be able to support without damage or ageing or alteration in its
structural or physical properties, severe climatic conditions (tropical
climate); in addition to the heat emitted by the lamp. Utilization of
aluminium is imposed; polyester, plastics and other similar organic
materials are not acceptable.

A suitable terminal block shall be provided to allow connection of the

supply cables and shall be clearly marked. Special arrangements
shall be taken to facilitate maintenance,
quick replacement of and easy
disconnection of individual components.

The exposed metallic parts of the luminaires shall be factory finished,

stove enamelled with a suitable corrosion resisting paint capable of
resisting the heat emitted by the lamp during continuous operation,
even if necessary under full sunlight conditions. Color to be agreed
with the Engineer.

The luminaire shall be firmly fixed on top of the pole so that no

rotation or falling of the luminaires may occur even if the pole is
subjected to impact.

The column manufacturer shall verify that the size of the concrete
foundations as shown on the Drawings are suitable for the conditions
specified and the nature of the foundation soil. Supporting calculations
shall be submitted to the Engineer and the location and level of the
Section 265100 _ 12
24 OFFICE BLDG, EGYPT Electrical

foundations checked by the column manufacturer before the

foundation concrete is poured.

Columns shall be provided with one weatherproof access door

positioned at the base, sized to insert and service the supply cable
terminations and switchgear. The door shall be flush fitting with a
retaining mechanism and a positive locking arrangement having a
removable hexagonal key. Appropriate reinforcement shall be
provided in the column at the door openings. Just positioned to
each door shall be fitted nun-hygroscopic baseboard shall be fixed
to the inside of the column by means of purpose made welded
brackets. A stainless steel earthing stud shall be welded inside
the pole near the lower access door and shall be complete with
stainless steel washers and nuts.

Finishing: All welds shall be smooth and spatter removed. The

interior and exterior surface of the columns shall be cleaned by
pickling or blasting and shall be free of any grease trace.

All components of the column shall be hot dipped galvanized after

completion of the fabrication. No further touching up finishing or
modifications shall be carried out after galvanizing. The
minimum thickness of zinc coating shall be 500 g/sq. m on both
the inside and outside faces of the column. The galvanizing shall be
carried out by total immersion in a bath of molten zinc.

Distribution Equipment. Shall be mounted on the baseboards of the

columns. Mounted on the baseboards on the columns shall be

the switchgear
comprising a Single Pole Miniature Circuit Breaker wire in wire out
type
sized as
follows:

One (1) luminaire - 16 Ampere Single Pole Miniature Circuit

Breaker.

Two (2) luminaires - 2 c 16 Ampere Single Pole Miniature

Circuit
Breaker.

The breakers shall be calibrated at 50 ºC. The incoming side

of the breakers with separate neutral assembly shall be capable
of accepting
2 x 25 sq. m copper conductors or as shown on the Drawing. The
breakers shall have a current interrupting capacity of 6 000 Amperes.

Section 265100 _ 13
24 OFFICE BLDG, EGYPT Electrical

Flood Lighting
The luminaires shall be compartmented and watertight, specially
designed to house lamps and accessories. The complete assembly
shall be dust, watertight and bugtight.

The luminaire shall be made of extruded or fabricated or pressure

diecast aluminum alloy of the corrosion resistant type. The exterior
shall be totally of smooth and corrosion resistant type. The copper
content shall be less than 0.05 percent to prevent intercrystalline
corrosion.

The mirror reflectors shall be of high purity, glazed and anodized

aluminum
(99.9 percent) rigidly fixed to the body and easily
replaceable.

Control equipment shall be mounted within each luminaire, the lamp

and control gear shall be mounted, in two different and isolated
compartments.

Constructional Requirements: The columns shall be installed on

the concrete bases as detailed on the Drawings. Holding
down and plumb adjusting nuts, washers shall be stainless steel.
Suitable quantities of steel plate templates shall be provided for
setting out and checking the location of
the holding down bolts during concreting of the
bases.
The erection of the lighting columns along the access roads shall be
such that the luminaires are located on a line parallel to the
theoretically and vertically must be secured to the satisfaction of the
Engineer.The luminaire/projector heads shall be mounted at the top of
the columns upon the Manufacturer’s purpose made bracket
appropriate to the number of luminaire/projectors on the column.
The angle of inclination of the access road luminaires shall be in
accordance with the Manufacturer’s recommendations and shall be set
at 90 degrees to the longitudinal axis road.

Section 265100 _ 14
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 GENERAL

Provide all equipment installations and wiring installations including

connections as indicated, specified and required. Assure proper fits
for all equipment and materials within the spaces shown on
Drawings.

3.2 INSPECTION

Inspect each assembly and related accessories for damage,

defects and completeness prior to installation.

3.3 INSTALLATION

Where a conduit wiring system is specified for the wiring to totally

enclose lighting fittings such as bulkhead fittings, etc., and the
wiring passes through the fittings or the fittings are mounted
directly to a conduit box housing, the circuit wiring shall be carried
out in silicone rubber insulated cable enclosed in a separate conduit.

Under no circumstances shall totally enclosed lighting fittings be

mounted on conduit boxes housing PVC wiring.

Adequate spacing shall be left between wall and bracket-mounted lighting

bulbs. The fixed wiring to a fitting shall terminate adjacent to the

fitting in a
conduit box. Final connection to the fitting being carried out silicon
rubber
insulated pull through flexible
conduit.

Final connections between fixed wiring systems and lighting fittings

shall in all cases be carried out in heat resisting flexible cables.

Under no circumstances shall cables insulated with general

purpose PVC
be used for final connections to any lighting
fittings.

The flexible cables used for final connections shall be type selected
for temperature duty and current/mass supported in accordance
with IEC Regulations, except that no cable shall be less than 2.5 mm2
cross section.

Section 265100 _ 15
24 OFFICE BLDG, EGYPT Electrical

Multi-core sheathed flexible cables pulled through on a conduit or

trunking shall be secured to the respective termination by means of
a cable gland, screwed into the conduit spout.

3.4 INSTALLATION SUPERVISION

Provide the services of a trained and experienced supervision to

perform the following duties:

- Supervise the installation

- Inspect and correct all installations
- Prepare and submit the final test report for all lighting systems

3.5 LIGHTING FITTINGS

Install all the interior lighting fittings and appurtenances as specified

and as shown on Drawings.

3.6 WIRING

Provide complete wiring installations for interior and exterior lighting

units, switches, convenience outlets and grounding as indicated, required
and specified.

3.6.1 Materials: Unplasticized polyvinyl chloride (UPVC) duct with size

as shown on the Drawing, of non-sparking type and suitable for
direct burial in the ground. Minimum tensile strength shall be
500 kg/sq m impact strength and shall be 5 kg/sq m.

3.7 CIVIL WORKS FOR ROAD LIGHTING & ELECTRICAL INSTALLATION

3.7.1 Description: The work specified in this section covers the General
Civil Works for the road lighting electrical installation as detailed on
the Drawings and in the bill of quantities.

Concrete shall conform to the relevant requirements of Section

03310 “Cast in Place Concrete”.

Covers for manholes shall be cast iron and of the heavy duty
concrete infill type to take a slow moving wheel load of 11.5 tons and
shall conform to the relevant requirements of Section 05500 “Metal
Fabrications”.

3.7.2 Construction Requirements

Concrete Foundation Block for Columns and Street Lighting Pillers
The excavation for construction of the foundation shall be in soil of
any nature, including rock or demolition of old structure.
Section 265100 _ 16
24 OFFICE BLDG, EGYPT Electrical

In case
the foundation is located in a backfill, the backfill shall have been
perfectly compacted at the time of the backfill, before the excavation
is executed, otherwise the case shall be reported to the Engineer for
a decision.

Pouring concrete and reinforcement shall be according to Section

03300
“Cast in Place
Concrete”.

The position of the anchor/fixing bolts and the level of the top
surface shall be exactly determined and adjusted. UPVC conduits of
sizes as shown on the Drawings shall be installed in the foundation
for incoming and outgoing feeder lines.

Cable Manholes or Handholes: The cable manhole or handholes shall

be made of concrete with sulphate resisting cement of the same
specification as indicated for the foundation of the columns. Walls
and roof slab shall be shuttered. Reinforcement shall be provided as
indicated on the civil Drawings.

Underground Duct System: The Contractor shall supply and install

the underground ducts, construct the cable pits indicated on the
Engineer’s drawings or as required on site for installation of the
cables.

The Contractor shall be responsible for all excavation, draining

trenches, forming of duct assembly and protective concrete envelope,
backfilling, removal of excess earth and restoring finished grade to its
original conditions.

In cases where ducts are installed across a finished road surface or

hard shoulder, particular attention must be paid when making good
to the road surface to ensure conformity to the existing wearing
course and the accordance of differential settlement. The material
used must conform to a similar specification to that used in the
original construction.

Ducts shall be made of high impact resistance, acid resistance and

alkali proof, UPVC conducts, of sizes as noted on the Engineer’s
Drawings. Each section of the duct shall have one end tapered in.
The joined part shall be equal or longer than 80 mm in length. The
junction shall be waterproof and sand proof.

A 3 mm galvanized steel wire, shall be left inside empty ducts to

Section 265100 _ 17
24 OFFICE BLDG, EGYPT Electrical

allow for the future pulling of cables. The steel wire shall be cut at
the length of one meter outside the duct head into the manhole
and securely fixed to a wooden block so that the wire shall not be
lost inside the duct.
The end of each duct shall then be sealed by means of placing in
wooden end hungs so as to ensure that it remains clean until
needed by the contractor installing the cables.

Ducts shall be installed inside a trench in close cluster, under

sidewalks and paved areas. Ducts shall be backfilled with a
properly compacted excavation material. Under roads, ducts shall be
in banks, encased in concrete, with at least five cm coverage in all
directions.

Ducts ending in cable manholes shall be neatly cut and reamed, and
shall finish short of the internal wall face, and a smooth bellmouth
entry formed by application of cement.

The duct runs shall be inspected in the pressure of the Engineer

before and after concreting by pulling a steel mandrel of other
approved device, of a diameter equal to 75 percent of the inside
diameter of the duct and 500 mm long. The mandrel shall pass
through the entire run of the ducts, from one end or the other,
without binding. All ducts, which will not allow the mandrel to be
pulled through, shall be pulled through, shall be repaired or replaced
to the satisfaction of the Engineer at no additional cost to the Client.

3.8 LIGHTING INTENSITIES

The following lighting intensities shall be respected throughout

the final application as per CIBSE recommendations for indoor
installations:

Offices 500 lux

Toilets 200 lux
Machine halls 300 lux
Pump room 300 lux
Switchboard rooms 300 lux
Corridors 250 lux

The following lighting intensities shall be respected throughout

the final application as per IES recommendations for outdoor
installation.

Secondary 10 lux
Main 13 lux
Section 265100 _ 18
24 OFFICE BLDG, EGYPT Electrical

END OF SECTION 16500

Section 265100 _ 19
24 OFFICE BLDG, EGYPT Electrical

SECTION 265600- EXTERIOR LIGHTING

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of the Contract, including Contract

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 DESCRIPTION OF WORK

This section covers partially the work of outdoor lighting as required

by the
Contract and includes the following
items:

- Lighting Fittings (Luminaires)

- Ballasts
- Luminaires Support System
- Lamps
- Lighting Poles

The Contractor shall include the required calculations, checking,

circuiting and control for, and installation of, outlet receptacles for
lamps and fixtures such to maintain and verify the required illumination
levels as expected by design drawings and as matched by manufacturer
lighting programs and models.

1.3 REFERENCE STANDARDS

The work to be performed under this section shall be in strict

compliance with the applicable regulations and standards.

1.4 SUBMITTALS

Submit the following in accordance with Conditions of the

Contract, Division-1 Specification Sections:

- Material lists and equipment data

- Lighting calculation sheets (by computer run) of the selected
manufacturer showing that its luminaire quality, technology and
characteristics shall provide the requested illumination levels,
minimum shadows and glare which are expected by the design and
drawings or any near alternative proposed:
Parking Area: 100 lux
Loading Area/Tanks: 250 lux
Section 265600 _ 1
24 OFFICE BLDG, EGYPT Electrical

- Technical photometric data collection:

• Plots of: isocandela, zonal flux, isolux and isoluminance

• Tables of: intensity distribution, electrical measurements

- Detail shop drawings including:

• Wiring connections between lighting fixtures, switches, home runs

up to the panelboard.
• The circuit reference, wiring size, conduit size and run, junction boxes.

- Certificates of compliance
- Detailed painting procedure to meet requirements
- Spare parts data
- Samples of the specified products
- Final test report
- Instruction sheet provide five sets of instruction sheets covering
operation and maintenance for each type of fitting furnished.

1.5 DELIVERY, STORAGE AND HANDLING

Materials and products shall be securely packed for delivery, with

waterproofed type providing protection against excessive heat,
humidity and water damages. When material shall be bundled due to
excessive size, each bundle shall have a metal tag securely tied on
with heavy gauge wire. Purchaser's markings shall be die stamped
on the tag.

Equipment and other components with moving or fragile parts

shall be properly blocked, tied or packed to prevent damage.

Any component shipped separately shall be clearly marked with

description, use and installation instructions.

All packages shall be marked with equipment tag number for

identification, when shipped and when received on Site.

Sections shall be grouped in not more than 5 sections per

crate.

Each delivery unit shall be equipped with suitable angles and lifting
lugs for handling by crane.

Great care shall be taken in storing luminaires on Site to

prevent unnecessary damage by stacking too many luminaires,
causing disfiguration of the canopies. The Contractor shall be
Section 265600 _ 2
24 OFFICE BLDG, EGYPT Electrical

responsible for any damage to the luminaires and shall replace any
damaged luminaires free of charge.

1.6 RELATED SECTIONS

The following sections include requirements which relate to work

of this section:

16060 Grounding and Bonding

16500 Lighting

Section 265600 _ 3
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 GENERAL

2.1.1 Comply with UL 1572, UL 1598 and listed for installation in wet locations.
Comply with IESNA RP-8 for parameters of lateral lighting
distribution patterns and shall meet ambient conditions of 50ºC, 90%
humidity.

2.1.2 Metal Parts/Components: Corrosion resistant Aluminum body, free

of burrs and sharp edges.
Stainless steel hinges and exposed hardware.

2.1.3 Housing: Rigidly formed, weather and light-tight enclosure with

integral control gear and polyester powder coated to standard RAL
colors.

For hazardous Area: Enclosure “EExd” (IP 55) Class I, Div. 2, Group D,
T2 shall be used, or as per drawings.

2.1.4 Doors, Frames and Accessibility: Easily accessible and usable,

self blocking, smooth, free of light leakage, permits relamping without
use of tools and without risk of accidental falling of parts. Removable
doors for cleaning or replacing lens. Designed to disconnect ballast
when door opens. Easy access to lamp, gear tray, tilt adjustment and
lamp adjustment.

2.1.5 Plastic Parts: High resistance to yellowing and other changes due to
aging, exposure to heat and UV radiation.

2.1.6 Luminaire Parts Reflectance:

85% for white surfaces (minimum)

83% for specular surfaces (minimum)
75% for diffusing surfaces (minimum)

2.1.7 Seal Gasket: Use heat and aging-resistant, removable non glued,
silicon resilient gaskets to seal and cushion lenses and refractors in
luminaire doors.

2.1.8 Bowl: Interchangeable type made of tempered glass or UV-

resistant polycarbonate.

2.1.9 Luminaire Wiring: Use 105ºC moisture and heat-resistant silicon

rubber wires,
Section 265600 _ 4
24 OFFICE BLDG, EGYPT Electrical

2.2 STREET LIGHTING LUMINAIRE

2.2.1 Lamps: Luminaire(s) shall be suitable for the following lamp types:
High pressure sodium: 150W, 250W, 400W, CRI 21,
1900K Metal Halide 150W, 250W, 400W, CRI 65, 400K
Mercury vapor 125W, 250W
Compact fluorescent 26W, 32W, 42W

2.2.2 Ingress Protection (IP): Minimum IP55 for the entire lanterm (optical
and electrical compartment).

2.2.3 Optical Compartment Ventilation: Through a carbon

filter/breather to avoid the contamination of high traffic levels.

2.2.4 Mounting: Suitable for post-top, bracket and wall mounting.

2.2.5 Cut-out: Provided with fuse cut-out.

2.2.6 Cutoff Category: Cutoff or semi-cutoff to IES.

2.2.7 Lamp holder: Movable with positional markings.

2.2.8 Reflector: Electro-polished anodized aluminum with integrated

angle louvres for glare control at backlight and front light.

2.2.9 Gear Tray: Removable with socket connection.

2.2.10 Wiring Termination

Sheathed cable
entries Brass earthing
terminal Socket
connections

2.2.11 Adjustment

Luminaire: Vertical tilt: 0-5-10-15

Lamp: Horizontal and vertical control

2.2.12 Ballast: Shall be electronic or electromagnetic (constant-wattage type)

suitable for 220V+ 10%, 50 HZ

operation. High power factor

(minimum 0.9)
Section 265600 _ 5
24 OFFICE BLDG, EGYPT Electrical

2.3 HIGH INTENSITY DISCHARGE LAMP BALLAST

2.3.1 Minimum Starting Time: -15 C for single-lamp ballasts.

2.3.2 Normal Ambient Temperature: 50 C

2.3.3 Ballast Fuse: In both ungrounded supply conductors.

2.3.4 Auxiliary, Instant-on, Quartz System: Automatically switches

quartz lamp on when fixture is initially energized and when
momentary power outages occur. Automatically turns quartz
lamp off when high-intensity- discharge lamp reaches approximately
60 percent light output.

2.3.5 Igniter: Solid-state igniter/starter with an average life in pulsing mode of

10,000 hours at an igniter/starter-case temperature of 90
deg C.

2.4 OPTIONAL PHOTOELECTRIC RELAY

UL listed, factory mounted to the luminaire, single throw, designed

and factory set to turn the light unit on at 15 to 30 lux and OFF at 50
to 100 lux with 15-sec. minimum time delay.

2.5 REQUIRED DATA IN CATALOG

Utilization factor curves to road side and kerb side

Isolux curves with respect to pole height
Polar diagrams
Lateral distribution and aiming
data Weight and windage area
figures Ballast losses
Inlet diameter
Wiring terminal type and permitted cable area (CSA)

2.6 LUMINAIRE SUPPORT COMPONENTS

2.6.1 Wind-load Strength of Total Support Assembly: Adequate to carry

support assembly plus luminaires at indicated heights above grade
without failure, permanent deflection, or whipping in steady wind of 100
mph (160 km/h) with a gust factor of 1.3. Support assembly includes
pole or other support structures, brackets, arms, appurtenances, base,
and anchorage and foundation.

2.6.2 Mountings, Fasteners and Appurtenances: Corrosion-resistant

Section 265600 _ 6
24 OFFICE BLDG, EGYPT Electrical

items compati-ble with support components.

Materials: Will not cause galvanic action at contact points.

Mountings: Correctly position Luminaire to provide indicated

light distribution.

Anchor Bolts Nuts, and washers:Hot-dip galvanized after

fabrication unless stainless steel items are indicated.

Anchor Bolt Template: Steel

2.6.3 Pole/Support Structure Bases: Anchor type with hold-down or anchor

bolts, leveling nuts, and bolt covers. The design strength of concrete for
pole foundation shall be 3000-psig (20.7 M Pa), 28-day compressive
strength.

2.7 LIGHTING POLES

2.7.1 Construction: Galvanized steel with a minimum yield of 317 MPa, one-
piece construction up to 12 m in length with welded escalating rails, and
access handhole (with hinged door) in pole wall as per drawings.
Fiberglass may be an acceptable alternative to steel, but shall be
embedded type with underground cable entry (and access handhole) or
as per manufacturer’s standard.

Pole of area lighting shall withstand the weight of 4 luminaires

(explosion proof type) plus one person in operation and the resultant
moment of these weights at the indicated height and wind.

2.7.2 Pole Earthing: Provide a 12 mm welded threaded lug, for steel

poles, accessible through handhole and listed for copper conductor
connection.

2.7.3 Pole Finish: Grind welds and polish surfaces to a smooth, even finish.

Hot-dip galvanize after fabrication to comply with ASTM

A123.

Apply one or more coats of primer and two finish coats of high-gloss,
high- build polyurethane enamel.

Apply one coat of bituminous paint on interior of pole, or otherwise

treat to prevent corrosion.

Section 265600 _ 7
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 GENERAL

Provide all equipment installations and wiring installations including

connections as indicated, specified and required. Assure proper fits
for all equipment and materials within the spaces shown on Drawings.

3.2 INSPECTION
Inspect each assembly and related accessories for damage,
defects and completeness prior to installation.

3.3 INSTALLATION
Where a conduit wiring system is specified for the wiring to totally
enclose lighting fittings such as bulkhead fittings etc., and the wiring
passes through the fittings or the fittings are mounted directly to a
conduit box housing, the circuit wiring shall be carried out in silicone
rubber insulated cable enclosed in a separate conduit.

Under no circumstances shall totally enclosed lighting fittings be

mounted on conduit boxes housing PVC wiring.

Adequate spacing shall be left between wall and bracket-mounted

lighting bulbs. The fixed wiring to a fitting shall terminate adjacent

to the fitting in a conduit box. Final connection to the fitting being

carried out in a sheathed flexible cable as specified.

Final connections between fixed wiring systems and lighting fittings

shall in all cases be carried out in heat resisting flexible cables.

Under no circumstances shall cables insulated with general purpose

PVC be used for final connections to lighting fittings.

The flexible cables used for final connections shall be type selected for
temperature duty and current/mass supported in accordance with IEC
Regulations, except that no cable shall be less than 2.5 mm2 cross
section.

Cable connections within enclosed wiring systems and fittings shall

be of the single insulation type. All flexible cables not enclosed
in lighting fittings, conduits or trunking shall be sheathed with
insulation having a similar temperature rating to the cable conductor
insulation.

Section 265600 _ 8
24 OFFICE BLDG, EGYPT Electrical

Multi-core sheathed flexible cables terminating on a conduit

accessory, trunking or apparatus shall be secured to the
respective termination by means of a brass stuffing gland, screwed
into the conduit accessory spout or flanged coupling lead washer and
brass bush fitted to the terminal device.

Multi-core sheathed flexible cables terminating in plugs and in

standard lighting fittings shall be anchored to the respective
equipment by cable clamps provided with equipment, but to totally
enclosed and weatherproof lighting fittings, the flexible cables shall
be secured to the fitting by means of brass studding glands.

3.4 INSTALLATION SUPERVISION

Provide the services of a factory trained supervisor who is specially

trained and experienced in the installation of this equipment to
perform the following duties:

- Supervise the installation

- Inspect and correct all installations
- Prepare and submit the final test report for all lighting systems

3.5 LIGHTING FITTINGS

Install all the exterior lighting fittings and appurtenances as specified

and as shown on Drawings:

- Ballasts shall be provided for high intensity discharge fitting.

- Lamps shall be installed in the lighting fittings.

3.6 WIRING

Provide complete wiring installations for exterior lighting units,

and grounding as indicated, required and specified.

END OF SECTION 265600

Section 265600 _ 9
24 OFFICE BLDG, EGYPT Electrical

Electrical Specifications
Section 27100- TELECOMMUNICATION
INFRASTRUCTURE CABLING NETWORKS

Section 27100 _ 1
24 OFFICE BLDG, EGYPT Electrical

Table of Contents
PART 1 GENERAL .......................................................................................................................... 3
1.1. RELATED DOCUMENTS ............................................................................................................ 3
1.2. DESCRIPTION OF WORK .......................................................................................................... 3
1.3. QUALITY ASSURANCE .............................................................................................................. 3
1.4. QUALIFCATIONS ...................................................................................................................... 5
1.5. SCOPE OF WORK ..................................................................................................................... 5
1.6. SUBMITTALS ............................................................................................................................ 5
1.7. EQUIPMENT WARRANTY......................................................................................................... 7
1.8. DELIVERY, STORAGE AND HANDLING ..................................................................................... 8
PART 2 – PRODUCTS..................................................................................................................... 9
2.1. INFRASTRUCTURE CABLING SYSTEM TOPOLOGY ................................................................... 9
2.2. GENERAL ................................................................................................................................. 9
2.3. OPTICAL FIBER MULTI-MODE CABLES..................................................................................... 9
2.4. OPTICAL FIBER PATCH PANELS.............................................................................................. 10
2.5. OPTICAL FIBER PATCH CORDS ............................................................................................... 11
2.6. PASSIVE OPTICAL SPLITTERS ................................................................................................. 11
2.6.1. Optical splitter module ( in building cabinet) ................................................................... 11
2.6.2. Features............................................................................................................................. 11
2.7. DISRIBUTION CABINET FOR P2P SPLICING (ODC-P2P) .......................................................... 12
2.8. FIBER TERMINATION BOX. .................................................................................................... 12
2.9. LIST OF MANUFACTURERS .................................................................................................... 13
PART 3 - EXECUTION .................................................................................................................. 14
3.1. CABLE INSTALLATION ............................................................................................................ 14
3.2. FIBER OPTIC CABLES TESTING ............................................................................................... 16
3.3. CABLE TESTER........................................................................................................................ 16
3.4. OTHER INSTALLATION GUIDELINES....................................................................................... 16

Section 27100 _ 2
24 OFFICE BLDG, EGYPT Electrical

SECTION 27100- TELECOMMUNICATION INFRASTRUCTURE CABLING NETWORKS

PART 1 GENERAL

1.1. RELATED DOCUMENTS

A. Drawings and general provisions of Contract, including General and
special Conditions and Division-1 (General requirements), apply to
work of this section.

B. General Provisions for Electrical Work, Section 16010, apply to work of

this Section.

1.2. DESCRIPTION OF WORK

A. Work includes providing all materials, equipment, accessories, services
and tests necessary to complete and make ready for operation in
accordance with Drawings and Specifications.

B. Any item of equipment or material not specified on the drawings or in

the specification and necessary to be provided for complete
functional installation should be provided in the same level of quality of
other specified items.

C. All Optical fiber Cables, fiber patch panels, fiber patch cords, fiber
connectors, fiber closures and any other components shall be from the
same approved manufacturer and complied with the active network
equipments.

D. System Tests shall be End to End including the patch cords. Test
procedures should be approved by the project consultant.

1.3. QUALITY ASSURANCE

A. Manufacturer's Qualifications: Firms regularly engaged in the
manufacturing of infrastructure outdoor cabling system should have
been in satisfactory use in a similar service for not less than 10 years.

B. Standards Compliance: Comply with the latest editions of the

requirements of applicable local codes, and the following standards:

1. IEC 60794-5 blown fibers.

2. EC 60794-6, Blowing Micro-duct cabling for Installation.
3. IEC 60794-5-10 and 60794-5-20.

Section 27100 _ 3
24 OFFICE BLDG, EGYPT Electrical

4. EIA/TIA-606 Administration Standard for Telecommunications

infrastructure of commercial buildings.
5. EIA/TIA – TSB 72 Centralized Optical Fiber Cabling Guide Lines.
6. ISO/IEC11801:2002 Generic Cabling for Customer Premises
Standard.
7. TIA/EIA 455 Standard Test Procedure for Fiber Optic Fiber Cables,
Transducers, Sensors. Connecting and Terminating Devices and
other Fiber Optic Components
8. TIA-455-177, FOTP-177 Optical Fibers Part 1-43: Measurement
Methods and Test Procedures – Numerical Aperture.
9. TIA 455-33, FOTP-33-B Optical Fiber Cable Tensile Loading and Bending
Test
10. TIA 455-13, FOTP-13 Visual and Mechanical Inspection of Fiber
Optic Components, Devices, and Assemblies
11. ICEA S-87-640 Fiber Optic Outside Plant Communications
12. TIA/EIA-4720000-A Generic Specification for Fiber Optic Cable.
13. TIA 526-7 - OFSTP-7 Measurement of Optical Power Loss of
Installed.
14. TIA 568.3 Commercial Building Telecommunications Cabling
Standard, Component of Fiber Optic Cable Systems.
15. UL Subject 444, ANSI / EIA / TIA-606.
16. Telecommunication installation guidelines should comply with the
requirements of project service provider and local authority in Egypt. If
this document and any of the documents listed above are in conflict,
then the more stringent requirements shall be applied.
C. Service Manufacturer must have a factory warehouse in Egypt at which
spare parts are stocked were a field service engineer who is a
permanent, full time employee of the manufacture, factory trained and
qualified individual whose primary duty is field service resides.

D. All work must be installed by system manufacturer’s certified system

installers/vendors who are certified and experienced in implementing
the selected data cabling system and to perform related testing
programs.

E. The contractor has full responsibility for low level design, performance,
and outdoor optical fiber system components compatibility.

Section 27100 _ 4
24 OFFICE BLDG, EGYPT Electrical

1.4. QUALIFCATIONS
A. All Cabling work shall be performed by a contractor having a minimum
of 5 years experience in the installation of outdoor infrastructure.

B. Contractor shall provide information regarding the company’s ability to

perform this kind of work, including a listing of similar projects
completed in the last 3 years which are of similar size and scope to this
project. Contractor shall also provide current references, for consultant
review and approval.

C. The Contractor shall provide the level of manpower necessary to meet

all construction schedules and shall discontinue the services of any one
employed on this project upon written request of the Engineer.

1.5. SCOPE OF WORK

A. Cables, cable blowing, splicing, Splitting, outdoor cabinets and
accessories and as required for a complete system. Raceway is
required for all wiring unless specifically indicated otherwise.

B. The work covered by these specifications includes installations, all

labour necessary, all materials and equipment incorporated in such
installation all services, facilities, tools to perform and complete such
installation and coordination among all trades.

1.6. SUBMITTALS
A. Tender Submittals

1. Product Data: Submit Complete, Detailed, and Original Catalogue for

the manufacturer and marked up for all of the proposed equipment.

2. Detailed Bill of material indicating the model number and quantity for
all of the proposed equipment.
3. Riser Diagram: Submit detailed riser diagram to indicate the
connection between all of system components, the interface with all
other system, and components port number.
4. System Description.
5. Samples: Submit samples from all materials & accessories included in
the proposal.
6. Compliance list: submit a detailed point by point compliance statement
with this specification. Where the proposed system does not comply

Section 27100 _ 5
24 OFFICE BLDG, EGYPT Electrical

or accomplish the stated function or specification in a manner different

from that described and specified a full description of the deviation
shall be provided.
7. Provide calculations of the attenuation, losses, bandwidth, spare in
cores, splicing and maximum bending radius.
8. Provide the testing procedure for optical fiber cables. The test
procedure should clearly describe the tools and settings which shall be
used to ensure correct measurements of the Structured Cabling
System.
9. The contractor should submit a confirmation that indicates size and
performance compatibility between implemented civil works (PVC
conduits, manholes, etc) and proposed outdoor optical fiber system
components..
10. Provide complete two hard copies of the tender submittal.
B. Shop Drawings

1. Provide the following item submittals:

a. Point-to-point wiring diagrams for all cables installed under this
Contract indicating Cable ID.
b. Outdoor plans indicating all outdoor cabinets, splicing points and
associated ID numbers.
c. Provide Tube cable system block diagram including
interconnection and numbering of all tube cabling.
d. Show Patch Panel numbering for voice and data patch panels.
e. Coordination with other trades
f. Detailed plan views and elevations of all telecommunications
spaces showing Racks, termination blocks, patch panels, cable paths,
etc.
g. Coordination Drawings, to show evidence of coordination with other
trades.
h. Installation details for different field devices.
2. Acceptance of any submitted data or shop drawings for material,
equipment apparatus, devices, arrangement and layout shall not
relieve Contractor from responsibility of furnishing same of proper
dimensions and weight, capacities, sizes, quantity, quality and
installation details toper form efficiently the requirements and intent
of the Contract. Such acceptance shall not relieve Contractor from

Section 27100 _ 6
24 OFFICE BLDG, EGYPT Electrical

responsibility for errors, omissions or inadequacies of any sort on

submitted data or shop drawings.
C. Record Drawings & Documents The contractor should submit monthly
record drawings and documents prior to any invoices approval.

D. As Built Drawings The contractor should submit as built drawings at the

end of the project to the consultant review and approval.

1.7. EQUIPMENT WARRANTY

A. The system manufacturers shall provide warranty for minimum twenty
(20) years on the entire structured cabling system starting from the
date of initial start-up and owner acceptance of the system including
labor and travel time for necessary repairs at the job site. These
warranties shall be provided in written certificate form. The system
contractor shall provide in writing to the Owner that in event of the
demise or failure of the installing certified system installer/vendor, the
contractor shall be responsible for providing another certified system
installer/vendor to fulfill the remainder of the warranty conditions.

B. Provide maintenance of the system during the warranty period with

the following Minimum provisions:

1. Notify the owner’s representative prior to perform any maintenance

work.
2. The designated representative to monitor and report on equipment
performance and service history, and to be a liaison with the building
owner.
3. Conditions: The warranty shall cover any defects in materials and
workmanship including installation and programming which shall be
found during the term.
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.

Section 27100 _ 7
24 OFFICE BLDG, EGYPT Electrical

D. All Cabling and Components shall be from the same approved

manufacturer.

1.8. DELIVERY, STORAGE AND HANDLING

A. Deliver materials in manufacturer’s sealed container, fully identified
with manufacturer's name, trade name, type, class, grade, size and
color.

B. Cables Marking: Label each reel on the outside flange with the
following information:

1. Manufacturer's name
2. Contract name and number
3. Cable identification number
4. Cable length
5. Date of manufacture
6. Copy of the factory test results

C. Storage of Materials, Equipment and Fixtures:

1. Storage materials suitably sheltered from the elements, but readily

accessible for inspection until installed. Store all items subject to
moisture damage in dry, heated spaces. Provide space requirements
for storage in submittals list.
2. Store all materials in a secure way to prevent the loss of these
materials due to pilferage or theft.

END OF PART 1

Section 27100 _ 8
24 OFFICE BLDG, EGYPT Electrical

PART 2 – PRODUCTS

2.1. INFRASTRUCTURE CABLING SYSTEM TOPOLOGY

A. As indicated on the project design diagrams (based on P2P “GPON”),
there are two levels for both the network and the Infrastructure cabling
system.

B. The network levels are as follows:

1. Optical fiber cables-multi mode from the distribution cabinet (DC)

at main building ( Business center ) to each building.
2. The operation and management of all network components shall be
achieved from main building ( Business center )
3. The Central Office building main building ( Business center ) should
be ready to feed the other future extensions

2.2. GENERAL
A. This cabling system shall function for IP-based Gigabit/10 Gigabit
Ethernet serving variety of applications (voice, data, video, etc).

B. Infrastructure Outdoor Cabling System which shall include, but not

limited to the following:

1. Optical Fiber Multi mode Cables.

2. Optical Fiber Patch Panels.
3. Optical fiber Patch Cords.
4. Passive Optical Splitters.
5. Cabinet For GPON Splitters (DC-GPON)
6. Cabinet For P2P Splicing (DC-P2P)
7. Fiber Termination Box

2.3. OPTICAL FIBER MULTI-MODE CABLES

A. Fiber Blowing Distance should be at least 1000m.

B. Outdoor Micro Optical Fiber Multi mode cables with fiber count of 2 to
144 cores. For required number of cores per cable please refer to project
design drawings and Bill of Quantity documents.

C. Micro optical fiber multi- mode cables shall be used to connect between

Section 27100 _ 9
24 OFFICE BLDG, EGYPT Electrical

from the Central Office to all buildings.

D. All Optical fiber cable should be water blocking and have anti-rodent
protection.

E. All Indoor / Outdoor optical fiber multi mode micro cables type should
be LSZH and suitable for inter building cabling.

F. The contractor should mention the values of bending radius for

different cables (cores number), which should be approved by the
engineer.

G. All outdoor cables should have UV-protected jacket for harsh

environment.

H. The cable must be designed and tested according with EIA/TIA-568A,

Bell core GR-20 core and ISO 11801:2002.

I. The cable must be complied with standard optical characteristics

IEC/EN 60793 (e.g. Cut off Wavelength ≤ 1260-nm).

J. The supplier should propose different colors for outer sheath.

K. The operating temperature should be -20°C to +75 °C.

L. The contractor should provide the color identification scheme for

different cores.

2.4. OPTICAL FIBER PATCH PANELS

A. Optical fiber patch panels shall be sheet steel rack mounted modular
type and shall take no more than one unit of vertical space on the
main cabinets

B. The patch panel shall be equipped with a mechanism that ensures the
retention and support of the incoming fiber optic cables.

C. The patch panel shall be designed with a sliding mechanism enabling

front side installation and maintenance work to be carried out without
having to remove the entire panel. The patch panel shall be delivered
complete with top cover.

D. The patch panel shall provide facilities to recess the front connector
plate deeper than the front of the 19” rails of the cabinet. This will
provide sufficient bend radius for the patch cords once connected to
the panel. This shall also prevent damage to the patch cords when the
Section 27100 _ 10
24 OFFICE BLDG, EGYPT Electrical

cabinet door is closed.

E. Use pigtails for termination of all fiber optic cables to fiber optic patch
panels. The patch panel shall provide management for 1 m of fiber per
link after breaking the fibers out from the cable.

F. Cable Connectors: Quick-connect, simplex and duplex type LC couplers

with self centering, axial alignment mechanisms. Insertion loss not
more than 0.7 dB.

G. The optical fiber patch panel should be fully assembled and

include cabling management unit.

2.5. OPTICAL FIBER PATCH CORDS

A. All needed fiber optic patch cords shall be provided to connect
between the fiber optic patch panels and the active equipment. The
length of the patch cord to be determined by the contractor based on
the arrangement of the equipment inside the cabinet.

B. Duplex LC Connectors to comply with specifications of TIA/EIA.

C. For indoor usage, the optical fiber patch cord shall be manufactured
from LSZH–flame retardant jacket. The fiber optic connectors shall
comply with IEC 74-13.

D. The supplier should propose different colors for outer sheath of the
patch cord.

2.6. PASSIVE OPTICAL SPLITTERS

2.6.1. Optical splitter module ( in building cabinet)

A. PLC splitter module with box cased should be installed inside the .This
module should accommodate 1.5 meter pigtail multi mode fibers
terminated to LC connectors.

2.6.2. Features
A. The optical splitter should be based on Planar Light wave Circuit (PLC)
technology.

B. The splitter should be suitable to work at least at four wavelengths;

• 1310nm used for data and voice upstream.

Section 27100 _ 11
24 OFFICE BLDG, EGYPT Electrical

• 1490nm used for data and voice downstream.

• 1550nm used for video signal.
• 1650nm used for upstream OTDR testing signal.
C. The splitting ratio should be 1:32.

D. PLC splitter should provide the followings optical Specifications;

Operating Wavelength : 1260 nm～1650 nm

Max. Insertion Loss : 17.2 dB

Max. Uniformity : 1.7 dB

Max. TDL : 0.5 dB Max.

PDL : 0.3 dB Min.

Return Loss : 50 dB Min.

Directivity : 50 dB

Operating Temperature : -40℃～+85℃

Storage Temperature : -40℃～+85℃

2.7. DISRIBUTION CABINET FOR P2P SPLICING (ODC-P2P)

A. DC should be used for P2P (Point to Point) technology.

B. The DC should be designed to accommodate passive optical fiber

termination/splicing equipment for max of 144 splice.

C. DC dimensions and colour will be customized to suite the project and

owner requirements.

D. DC should be provided with cables management units and support

floor standing or wall mounted installations.

E. DC materials should be heavy duty metal material.

F. For DC earthling, Section 16450 is applied in this section.

2.8. FIBER TERMINATION BOX.

It should be installed in each building with the following properties:
Section 27100 _ 12
24 OFFICE BLDG, EGYPT Electrical

A. Engineered fiber routing that protects bending radius throughout the

unit to ensure signal integrity.

B. Enough work space for efficient splicing or adaptor patching

C. Convenient access for installation, maintenance and

subsequent termination.

D. Fiber capacity: Up to 72 Core splicing or connector patching capacity.

E. Wall mountable termination box for indoor use.

F. Application: Outdoor with protection rate IP56 or Indoor /

Outdoor application.

G. Material: Plastic (ABS) or Metal (Aluminium, Steel).

H. Distribution cable connection: Adaptor / Connector Patching or Splicing

Patching.

2.9. LIST OF MANUFACTURERS

A. Approved Manufacturers: Subject to compliance with the

requirements of the Contract Documents provide products by one of
the following manufactures (or equivalent):

1. Corning
2. Systemax/ Commscope.
3. Emtelle
Or approved equal.

END OF PART 2

Section 27100 _ 13
24 OFFICE BLDG, EGYPT Electrical

PART 3 - EXECUTION

3.1. CABLE INSTALLATION

A. Plan and install all structured cabling systems in accordance with
the cable manufacturer’s recommendations. Label and record all data
communication cables in accordance with:

1. Technical Specification.
2. Cable Drawings.
B. Install optical fiber cables in accordance with BS 7718 and all other
standards.

C. Handle, store and install equipment and components of the

structured cabling systems in accordance with the manufacturer’s
recommendations.

D. Obtain all equipment and components from a single source

unless otherwise instructed.

E. Inspect all equipment and components on delivery, before fixing and

after Installation and reject and replace any which are defective.

F. All cables must be installed without splices or cuts to ensure

the elimination of reflections, discontinuities, impedance mismatches,
etc.

G. Penetration Through Firewalls A conduit sleeve shall be provided

where horizontal cables penetrate firewalls. The conduit sleeve shall
be sized at 40 % fill ratio with a plastic bushing at both ends. After
the conduit sleeve is installed the opening around the conduit shall be
filled with fire stop and smoke seal materials.

H. The contractor have full responsibility to keep all installation optical

fiber cables away from installed power cables according to applicable
codes and standards indicated in section 16750/item 1.3.

I. Separation of UTP Cat.6 data communication and optical fiber cables

from sources of electromagnetic interference all data communication
cables shall be separated from sources of electromagnetic radiation in
accordance with TIA standard proposal SP-2072 and the following:

1. If both data and small power cables (2 KVA power circuits) are

Section 27100 _ 14
24 OFFICE BLDG, EGYPT Electrical

installed in grounded, ferrous metal conduit throughout their run, then

no separation is required (i.e. EMT conduit).
2. FT-6 rated data cabling with no metallic raceway and power
conductors (2 KVA power circuits) in a grounded raceway requires
125 mm clearance.
3. For fluorescent luminaries, the required clearance is 300 mm.
4. Clearance increases up to 600 mm for power circuits over 5 KVA.
5. For large motor, transformers, power panels, etc., the required
clearance is 1 m.
6. Cables must be routed to avoid direct contact with steam piping,
hot water piping or other heat sources to avoid thermal degradation. If
such case exists, the installer shall inform the owner
representative officially to seek an alternative path.
J. All cables, components and items of equipment are to be fully marked
with positively fixed labeling devices to facilitate identification. As a
minimum requirement, cables are to be labeled at the following points:

1. Cables and connection numbers.

2. Equipment room end cable/connection.
3. Patch panel connection.
4. Origin and final destination.
The contractor shall submit a marking system for approval by the owner.
K. The installer must avoid any risk of cable pinching or compression
during the installation and termination of the cable.

L. Termination of the cable will be done in optical fiber patch panels and
should include all cores of the cables. Also these optical fiber patch
panels are equipped with all the necessary features and accessories
including the fiber patch cords for all cores of the cable.

M. Do not exceed the cable's minimum bend radius for cable under
tension or long term installation/storage.

N. Continuity of cable shall be maintained between termination or

splice locations shown on the Contract Drawings. Additional splices
shall not be allowed without the prior written Engineer approval.

O. Notify the Engineer in writing at least 48 hours in advance of

installation of each section of optical cable.

Section 27100 _ 15
24 OFFICE BLDG, EGYPT Electrical

P. Where not installed in a continuous length, tube cable segments

shall be spliced using couplings designed for that purpose and
housed within a properly rated TDU (tube distribution unit), splice
case, or cold shrink wrap per manufacturer’s specifications.

3.2. FIBER OPTIC CABLES TESTING

A. Each strand of fiber optic cables shall be tested with real
transmission testing with a light source and a power meter according
to ISO/IEC14763- 2 for length and attenuation. Performance test must
be below the total loss budget for the cable connectors.

B. Provide a hard/soft copy chart recording with the test documentation.

3.3. CABLE TESTER

A. Testing tools should be provided to perform the test and accept the
work, such tools should be as following:

1. OTDR.
2. Optical Power Meter (Tester).
3. Fusion splices
B. The cable tester shall provide cable testing and certification solution
for high-speed MTP Cat. 6 cables and fiber networks. The tester shall
also have the capability to monitor network traffic.

C. Tester should provide at least the following functionalities:

1. Supported tests e.g. Optical fiber cable attenuation and losses.

2. Traffic monitoring
3. Integration with cable management system for cable ID download,
test results upload for reporting and all other functionalities
4. Integration with labeling system (calibration tool kit to be provided).
5. Test results upload for reporting and all other functionalities.
6. The tester equipment and testing methodology should be submitted
for consultant approval.

3.4. OTHER INSTALLATION GUIDELINES

A. All installation shall be done in conformance with EIA/TIA 568B
standards and BICSI Design and Installation guidelines. The vendor
shall ensure that:

Section 27100 _ 16
24 OFFICE BLDG, EGYPT Electrical

1. The maximum pulling tensions of the specified distribution Cables are

not exceeded and cable bends maintain the proper radius during
the placement of the facilities. Failure to follow the
appropriate guidelines will require the Vendor to provide in a timely
fashion the additional material and labour necessary to properly
rectify the situation. This shall also apply to any and all damages
sustained to the cables by the Vendor during the implementation.
2. Bonding and Grounding The vendor shall be responsible for providing
an approved ground at all newly installed distribution frames. The
vendor shall also be responsible for ensuring ground continuity by
properly bonding all appropriate cabling, closures, cabinets, service
boxes, and framework. All grounds shall consist of #6 AWG copper wire
and shall be bonded to the main electrical ground. Grounding must be
in accordance with the NEC, NFPA codes and practices.
3. Power Separation The vendor shall not place any distribution cabling
alongside power lines, or share the same conduit, channel or sleeve
with electrical apparatus.
4. Miscellaneous Equipment The vendor shall provide any necessary
screws, anchors, clamps, tie wraps, and distribution rings, wire
moulding (MAIN TELECOM ROOM & CPE rack locations),
miscellaneous grounding and support hardware, etc; which is
necessary to facilitate the installation of the System.
5. Special Equipment and Tools It shall be the responsibility of the Vendor
to furnish any special installation equipment or tools necessary to
properly complete the System. This may include, but is not limited to,
tools for terminating cables, testing and splicing equipment for
copper/fiber cables, communication devices, jack stands for cable
reels, or cable wenches.
6. Labelling The vendor shall be responsible for printed labels for all
cables and cords, distribution frames, and outlet locations,
according to MIS specifications at the time of delivery. No labels are
to be written by hand.
a. All cables, patch panels, patch cords and sockets must be
labeled using legible and permanent labels.
b. Each cable must be permanently identified and labeled at both ends
(few centimeters from the termination).
c. The faceplates labeling should be done using industrial
application material to ensure that it neither fade or be removed
easily.

Section 27100 _ 17
24 OFFICE BLDG, EGYPT Electrical

d. Patch panel ports shall be identified in simple numeric form.Patch

cords shall be identified at both ends in simple numeric form, not
necessarily corresponding to port numbers.
e. All cable and outlets identification shall be recorded as a hard and
soft copy “cable identification log”; which is to be handed over to
the Owner after cable testing and certification is complete.
f. Provide samples of the labeling accessories for approval.
g. Full labeling solution to be provided including software, hardware,
portable labeling tool and enough quantity of empty label.

END OF PART 3

END OF SECTION 27100

Section 27100 _ 18
24 OFFICE BLDG, EGYPT Electrical

SECTION 273000- TELEPHONE SYSTEM

PART - 1 GENERAL

1.01 GENERAL
To provide and install complete telephone system, which includes but not
limited to following:
A. Main Distribution Frame (MDF).
B. Digital Private Automatic Branch exchanges, equipment and voice mail
equipment.
C. Operator Consoles and call logging equipment.
D. Telephone sets.
E. Interface for Data Communication and Public Address System.
F. Interface with Fire Alarm System
G. All conduit, trunking and cabling
H. To assist the Client in the coordination matters with local Telephone in
connection with trunk lines and interface.
I. Related work specified elsewhere
1. Section 16010, General Provisions for Electrical Work
2. Section 16100, Basic Materials & Methods
3. Division 1, General requirements

1.02 APPLICABLE CODES AND STANDARDS

A. CCITT Consultative Committee for International Telegraph and Telephone
B. EIA Electronic Industries Association
C. ISDN Integrated Services Digital Network
D. Applicable local code.

1.03 QUALITY ASSURANCE

A. The equipment supplied shall meet all applicable International Telegraph and
Telephone Consultative Committee (CCITT) performance recommendations and
conform to the requirements of local Standard organization.

Materials specification of the Kingdom of local Telecom Company L.T.C. shall

also be applicable.
B. Manufacturers: Firms regularly engaged in manufacture of PABX system
equipment, of types and capacities required, whose products have been in
satisfactory use in similar services for not less than 10 years.

Section 273000 _ 1
24 OFFICE BLDG, EGYPT Electrical

C. Installer: Qualified with at least 5 years of successful installation experience on

products with PABX system equipment, installation work similar to that
required for project.

D. Tropicalisation: The equipment shall be protected against insects, salt, dust,

fine sand, fungus and mould during storage, transportation, installation and
operation.

E. Components: All components used in the equipment shall be of high quality

and long life well adapted to the function for which they are intended. Their
construction and structure shall allow for easy replacement of faulty
components.

F. Earthing and Lightning Protection: PABX shall have an independent earthing

system from the building. All incoming telephone cables should have a surge
protection from lightning.

G. Protection Against Accidents: The power supply units shall be provided with
thermal release devices to protect them from damage and from accidental
overload.

The removal of any plug-ins should not require the switching-off of the power
supply.

1.04 SUBMITTALS
- General: Submit the necessary complete sets of documentation indicating
the type, size, rating, style, catalog number, manufacturers' names, photos
and/or catalog data Sheets for all Items to ensure compliance with
Specifications. This documentation shall be subject to the approval of the
Engineer and no equipment shall be ordered without this approval, for all
equipment and devices which are indicated by the documents (Drawings,
BOQs, etc.).

- Shop Drawings: Provide shop drawings and documents showing

equipment/device locations and connecting wiring of entire telephone
system. Shop drawings and system diagram shall include, but shall not be
limited to, The following:

• Complete one-line riser diagram(s) showing equipment size type and number
of conductors.

• Detailed drawings of indoor cable network and complete wiring diagrams of

all the system constituents.

Section 273000 _ 2
24 OFFICE BLDG, EGYPT Electrical

• Cable diagrams of indoor and riser cables showing cable size, type and
number of cable pairs.

• Network diagrams of all system elements.

- Operation: Proved data calculations, and documents of the following, but

shall not be limited to:

• Provide calculations to support the sizes of stand-by batteries of the

system.

• Programming and software installation instructions and installation

manuals for all the system.

• Complete description and data and listing for all system components
including UL listing or equivalent.

• Provide complete sequence of operations and functions of the system, and

two sets of software operating system, drivers, settings, etc., of each
equipment of the system.
• Descriptions and detail lists of all system components.
• Certifications and UL approval or equivalent.
• Operating instructions, functional descriptions and installation
documentation of all systems.

- Product Data: Submit manufacturer's technical product data, including

specifications and installation instructions for all and each telephone system
component and equipment.

Include standard or typical riser and wiring diagrams and operation and
maintenance instructions for inclusion in maintenance manual.

Include listing of manufacturer's authorized local representative responsible

for installation, coordination and service.

- Maintenance Data: Submit maintenance data and parts lists for each type of
telephone. system equipment installed, including ancillary equipment and
furnished specialties and accessories. Includes standard product
maintenance manual in accordance with requirements of Division-1 and
other relevant documentation.

- Instruction Manual: Submit, with the assistance of the equipment

manufacturer and his authorized local representative, in addition to one
approved copy of the telephone system submittal, complete operating
Section 273000 _ 3
24 OFFICE BLDG, EGYPT Electrical

instructions pertinent system orientation documents and system service

and instruction testing
AS-BUILT DRAWINIGS
During the construction of the system. the contractor shall pot in writing
all his remarks, during the progress of the work concerning any
suggested alterations, if existing, from the shop drawings in wiring
routes, locations of equipment or devices which arise from coordination
between the system and other activities.
No execution of alterations shall be allowed before receiving a written
approval from the Engineer.

All alterations shall be registered and fined by the contractor and extra
copies shall be submitted to the Engineer.

A complete as-built draft set of drawings shall be prepared 15 days after

completion of work for approval of the Engineer. The as-built draft shall
include all previously approved alterations. Final originals and copies of
drawings shall be submitted according to Division-I, Section 01300
"Submittals".

The telephone system supplier/contractor sha1l be responsible to

coordinate and exchange information with suppliers of other systems
and equipment which shall communicate with it to achieve the required
functions.

The coordination shall include, but not limited to, methods, protocols,
etc.

Section 273000 _ 4
24 OFFICE BLDG, EGYPT Electrical

PART - 2 PRODUCTS
2.01 SYSTEM REQUIREMENTS
The system shall be the latest fully digital automatic branch exchange which will
serve the following buildings and entire area within the project.
The main telephone system with its Central Processing Unit (CPU) shall be
located in the main building and Remote Cabinets shall be located in the other
Buildings.
The Remote cabinets shall be connected to the main system equipment in the
main building through multi core protected telephone cables.
The system shall provide individual partitioning feature to allow logical
partitioning of the system. Each of the partition shall provide individual system
such as individual operator, music on hold, trunk group, station restriction sets
etc.
A system configuration is explained in an overall telephone riser diagram.

2.02 SYSTEM ARCHITECTURE

A. The telephone system shall be fully digital, modular, computer controlled and
will be state-of-the-art of latest generation system employing stored program
control (SPC) employing Time Division Multiple Switching, with Pulse Code
Modulation (PCM) of signal information and will be capable of switching voice,
text, and data information over transparent transmission paths.
B. The system will consist of plug in type Printed Circuit Board (PCB’s) for simple
installation.
C. The PCB’s shall be contained in standard size of carriers.
D. The carriers shall be placed in standard size cabinets.
E. The cabinets could be located together or in remote location within 1/2 Km
from the main processor.
F. The cables between Cabinet and Main Distribution Frame (MDF) shall be
characterized and connected at the back of the cabinet.

2.03 SWITCHING SYSTEM

A. Switching system shall be of modern design with Central Processing Unit (CPU),
fully electronic using solid state equipment. It shall be field proven for a period
of at least two years. Its design and applied technology shall be latest of its
kind.
B. The switching network shall include the following basic criteria:
1. Time Division Multiplexed (TDM) bus technology. The system shall have
two alternate buses, for increased reliability. If the proposed system uses
any other similar technique, the vendor shall describe it clearly and submit
to the Client for review and approval.

Section 273000 _ 5
24 OFFICE BLDG, EGYPT Electrical

2. The Central Processing Unit (CPU) shall provide full control for the call
processing and the feature activities on any heavy traffic interval without
any service degrading. The CPU shall run at a high speed to ensure the
completion of required tasks/function, routine maintenance, system
administration and traffic measurements simultaneously.
3. The switching system shall employ stored program control (SPC). The
software programs executed by the processor shall control all
function/processing in the switch.
4. The software of the system shall be stored on a disk and back-up on a
magnetic tape or any other device. Such devices (disk and tape etc.) shall
be part of the system and installed in the CPU carrier.
5. The CPU shall update the mass storage devices automatically at a specified
time of the day. There shall be a possibility to determine the automatic
mass storage devices to save the data on daily basis, on a specified day or
by a manual command only. It shall also be possible to update these
devices through a command from a System Access Terminal (SAT).
6. The software changes and data input shall be carried out from the above
System Access Terminal.
7. It shall be possible to connect the SAT of any of the system cabinets to
perform software changes, display existing data or to obtain traffic
reports.
8. The proposed system shall be fully compatible with local Telecom network
facilities and forthcoming modern technologies adopted by local Telecom.

2.04 SYSTEM MACHINE INTERFACE

The system must perform system integrity tests and routine maintenance
diagnostics automatically. The results of these tests shall be printed on terminal
printer using an industry standard EIA or RS232 interface. The machine
language should be easily interpreted code, for both input of commands and
output of information, to minimize user training and for ease of maintenance.
Some of the activities are as below:
A. It shall be possible to carry out any repair and/or maintenance task during
normal operation of the system.
B. It shall be possible to replace any PCB without effecting system operation.
C. System Access Terminal (SAT) shall be used to get the details of alarm causes
with the error/failure codes. The error/failure codes shall have enough
explanations in the maintenance manuals with recommended part(s)
replacements and the possible causes related to the alarms.

Section 273000 _ 6
24 OFFICE BLDG, EGYPT Electrical

D. The system shall store the alarms/failures data for a sufficient period of time.
Such data shall be categorized as active and/or resolved alarms. The
information about the problems shall be clear enough and specific to identify
and pinpoint the problems. As an example, information related to a station
problem shall contain data including its equipment location, station number,
type of problem, date and time the problem started and date/time the problem
was resolved. It shall also indicate whether the problem internal (in the system)
or external (from the connect devices).
E. The system shall run maintenance tests on a defective part or any failure
detected by the system, to assure the recovery of the failure/deleted. If the
system confirms the recovery, the related part or service shall be restored and
alarm shall also be eliminated automatically. In such cases, when the alarms are
automatically eliminated, a record of the resolved alarms shall be saved for
reference and studies.
F. The system shall run a detail maintenance test at a predetermined time to
verify that all parts and devices are functioning correctly. These tests are
different than those routine maintenance tests mentioned earlier. These tests
shall be run by the system during low traffic periods.

2.05 TRAFFIC REPORTS/STUDIES

The system shall be capable to provide traffic reports/studies to monitor and
collect traffic/usage data for certain major activities of the system. The system
shall accumulate and store such traffic/usage data. This data shall be printed on
request. Some of activities are as below:
A. Operator Console Group Report to provide information on the total operator
positions available, date and time of report, number of calls answered,
uncompleted attendant calls, queued calls, the time attendants were busy
attending calls, the time attendants were idle and average elapsed time before
a call terminates at attendant and attended.
B. Operator Position (individual) Report containing the same type of data as
Operator Console Group Report but for an individual position.
C. Call Rate Measurement Report to provide traffic data for all calls (incoming and
outgoing).
D. Call Summary Measurements Report.
E. Performance Summary Report shall provide summarize/peak hour trunk
blocking, Automatic Route Selection (if applicable), Trunks Out of Service and
Trunks Not Used for the previous or current day.
F. Trunk Group Summary Report to provide traffic measurements for all trunk
groups for peak hour of previous day, today or last hour.
G. Trunk Group status monitor shall be possible to monitor the current status of
the trunk groups to see the usage of trunks.
H. Processor Occupancy Summary Report: The report shall provide data to

Section 273000 _ 7
24 OFFICE BLDG, EGYPT Electrical

monitor the usage and availability of the system resources

2.06 SYSTEM STANDARD CAPACITIES

The equipment is to be designed for the following capacity, for which the
exchange is to be wired and equipped with electronic cards. It is to be possible
to simply expand the exchange by plugging in extra electronic cards within the
same initial cabinet.
• Model : Standard system/(19" rack)
• Max. analog subscribers (t/r): up to 384
• Max. digital subscribers (UP0/E):up to 384
• IP users: up to 500
• Max. Cordless Office subscribers: up to 250
• optiClient Attendant (PC attendant console): up to 6
• voicemail: Integrated / external up to 400 user

2.07 SYSTEM REQUIRED CAPACITIES

External trunk lines : AS PER BOQ
Internal extensions : AS PER BOQ.
Operator’s console(s): one, with provision for expansion to two consoles.

2.08 MAIN DISTRIBUTION FRAME

A. The Main Distribution Frame (MDF) shall be provided with a compact floor
mounted distribution frame where all facilities shall terminate. The frame shall
be capable of modular expansion.
B. Connection to all outside facilities shall be made to blocks equipped with gas
tube arresters.
C. It is preferred that quick clip connection be used. Solder connections will not be
permitted.
D. Sufficient wiring tools and jumper wire shall be provided for initial
commissioning.
E. All cables between the system and the distribution frames shall be provided.
F. Additional termination capacity of 10% shall be provided above that
requirement for the system for future expansion.

2.09 OPERATOR CONSOLES ( WORK STATIONS)

The operator consoles shall be of the switched loop type. Call handling shall
only involve the operation of keys and it shall be possible to monitor all stages
of a call on visual displays. The types of calls being handled shall be displayed
and also the volume of calls waiting unanswered and an indication of trunk
groups that are busy. In addition, the actual trunk or extension connected to
the console and operator dialed digits shall be dsplayed.

Section 273000 _ 8
24 OFFICE BLDG, EGYPT Electrical

The calls offered to operators shall be shared between operators at different

buildings according to Software Program which shall be based on functional
requirement.
When a console is not manned, it shall be placed on an unoccupied state by the
operation of a key.
Either a handset or headset shall be used at the preference of the operator,
which shall plug into the console. A second jack shall be provided for
monitoring and training purposes.

2.10 TELEPHONE SETS

A. Digital telephone sets are required where more than one directory number may
be provided and where feature activation is by the operation of programmable
feature keys that are software controlled by the system rather than controlled
by individual sets.
Modules shall be available for the connection of various types of data
equipment, extra key functions hands free or display etc.
The power for such sets shall be derived directly from the system without the
need for external transformers. It is permissible for external power to drive
optional facilities or to extend the range of such sets beyond the specified
maximum.
B. There shall be no constraint on the number of each type of telephone sets to be
connected to the system.

2.11 VOICE MAIL SYSTEM (VMS)

A. A Voice Mail System (VMS) is required with the new proposed system to
provide at least the following listed features:
1. Capacity shall be in accordance with the selected Digital PABX.
2. An unanswered call on a station shall route to the designated mail box
where the VMS shall provide either one of the treatments determined by
the Client of that VMB (Voice Mail Box):
a. System Greeting: A standard set of greeting which shall be default
and available always if the VMB Client does not define any personal
greeting. This type of greeting shall announce the termination of the
call of VMS, to notify the caller that the call was not being taken
manually and being recorded.
b. Personal Greeting: Such greetings shall be recorded and activated
personally in any language) by the VMB Client and recordable
whenever required.
3. After the caller leaves the message, the VMS shall indicate the Digital
PABX to activate the message waiting indication on the related telephone
set. Such indication shall be as LED or a neon lamp depending on the type
of telephone set type. The digital sets shall have an LED as standard
feature to indicate that a message have been left. If the telephone set is
not equipped with indication as stated above then the fluttering dial tone

Section 273000 _ 9
24 OFFICE BLDG, EGYPT Electrical

feature shall be available as standard feature to indicate the user that a

message have been left for him. With this feature, a fluttering tone before
the steady dial tone is heard when the user goes off hook to use the
telephone set.
4. The station users shall call a specific number assigned to the VMS, to
receive their message.
5. As a user dials the VMS number, the caller shall be informed by the VMS
that how many messages have been left for him.
6. All of the messages shall have a header which shall be announced by the
VMS before the message is retrieved, providing the information that the
message was from outside, station, time and date of the message, the
length of the message, etc. In case of an inside station message, the
system shall announce the name (if recorded) and number of the caller.
7. The VMS shall have a facility to save any important message for a period
of time.
8. The messages shall be retrieved or deleted by dialing a code. Such code
shall be always announced by the system whenever accessed.
9. The VMS shall always guide the user with all special procedures /
commands that are necessary to leave or retrieve the messages.
10. It shall be possible to identify that which type of call shall terminate on the
VMB for each of the user, i.e. outside, inside, busy, unanswered, etc.

11. The VMB’s shall be protected by the passwords. The passwords shall be
programmed/changed by the user from his telephone set. It shall not be
necessary to always use the password, if a user does not enter a
password, the system shall still provide the same grade of service to the
user without such password.
12. The VMS shall have a synchronization with the Digital PABX. Both of the
systems shall acknowledge the status of each other and generate alarms if
one of the systems is down or the data links is disabled.

13. Information Mail Boxes shall provide notice board emulation. An

information that needs to be heard by inside or outside callers will be
recorded in this MB for the callers to obtain the information.
14. It shall be possible to create an announcement and then mail it to the
specified mail box(s) at a specified time. The delivery shall be scheduled
for any forthcoming time.
15. The VMS shall be flexible and the VMB’S be controlled by the classes of
service.
16. The VMS shall not require the caller to enter the extension number (on
internal and/or external calls) when the call is routed to the VMS. It should
automatically recognize the extension number of the called station and
route the call into the related VMB.
17. The VMS software shall have the capability to be upgraded to integrate

Section 273000 _ 10
24 OFFICE BLDG, EGYPT Electrical

with any existing Local Area Network providing call and message
information to the workstations.
18. Detailed description of the Voice Mail System (VMS) and features
summary shall be submitted with the proposal for Client’s review,
highlighting any deviations from the specifications with reasonings.

2.12 FUTURE EXPANSION

A. The switching system shall be easy to expand and upgrade. Expansion and
upgrades shall be done on the system without any major service interruption.
B. The Contractor/Supplier of the system equipment shall be responsible to
provide additional equipment to expand the switch within the fifteen (15) years
system life time. The expansion equipment shall match and work perfectly
without any modification to the equipment that is being proposed at this time.
C. The proposed switching system shall allow expansion/growth in future without
replacement of any existing hardware. The expansion/growth should be
possible for stations, trunks or any other facility.

2.13 SYSTEM FEATURES

The Digital Private Automatic Exchange shall provide at least the following
listed functions:
A. Automatic Call Distribution (ACD).
B. Account Code.
C. Authorization Code.
D. Call Progress Signals.
E. Class of Service.
F. Abbreviated Dialing.
G. Conference Up to 6 parties.
H. Data Privacy.
I. Data Restriction.
J. Direct Inward Service Access.
K. Hunt Group.
L. Night Service.
M. Outward Restriction.
N. Power Failure Automatic Restart.
O. Public Address Interface.
P. Recorded Announcement Facility.
Q. Uniform Numbering Plan

Section 273000 _ 11
24 OFFICE BLDG, EGYPT Electrical

2.14 ANALOG EXTENSION FEATURES

A. Automatic Call Back.
B. Call Diversion/Forward.
C. Call Park.
D. Call Transfer.
E. Call Pick-up.
F. Call Waiting.
G. Do not Disturb.
H. Executive Override.
I. Hold.
J. Individual Abbreviated Dialing.
K. Last Number redial.

2.15 DIGITAL EXTENSION FEATURES

A. Additional lines: It shall be possible to program up to 10 line appearance
buttons on digital sets. These buttons shall provide ten lines/paths under the
same station number and on a single circuit from the Digital PABX. It shall be
possible to use all ten lines/paths simultaneously for incoming or outgoing calls.
B. Automatic Hold.
C. Data transmission interface.
D. Call progress indications.
E. Call/facility terminating identification.
F. Calling name and number display.
G. Programmable Buttons: The programmable buttons shall accept the following
features:
1. Abbreviated dialling.
2. Auto call back.
3. Auto intercom.
4. Busy indication.
5. Call display: The number of the displayed name (during the directory
search) shall be automatically dialed by pressing this button.
6. Call forward.
7. Call park.
8. Call pick-up.
9. Date and time.
10. Dial intercom

11. Directory: Display names entered in the system data base against the

Section 273000 _ 12
24 OFFICE BLDG, EGYPT Electrical

telephone numbers.
12. Do not disturb.
13. Privacy.
14. Flash: Provides Short disconnect on the line.
15. Last number redial.
16. Major/minor Alarm: Indicates the alarm of system.
17. NCT activation.
18. Night Service: Activation/Deactivation.
19. Normal: Changes the display to normal, clears the display.
20. Personal line.
21. Priority calling.
22. Queued calls/time.
23. Ring off.

2.16 OPERATOR CONSOLE FEATURES

The operator console shall provide the following (but not limited to) features:
A. Busy override.
B. Busy Lamp Field: Provides the busy/idle status of any extension.
C. Call transfer Manual/DSS: The attendant shall be able to extend the call to
extension by using the dial pad or the Direct Station Select console.
D. Call Park.
E. Call Queuing.
F. Camp on Busy.
G. Directory.
H. Display to provide the following:
1. Call Number (internal).
2. Call Name (internal).
3. Called Number.
4. Call process indication.
5. Incoming call information.
I. Emergency Access: The attendant can be accessed by dialing an emergency
access code or dial time out after lifting the hand set from a station. The
attendant shall hear a special emergency access ring tone and the call shall
override the queued call.
J. Handset or Headset operation.
K. Hospitality operations.
L. Interposition calling/transfer.
M. Last number redial.
N. Programable keys: The programable keys shall be flexible for programing
Section 273000 _ 13
24 OFFICE BLDG, EGYPT Electrical

desired features, such as abbreviated dialing, trunk dial access codes, MCT, etc.
O. Serial calls.
P. Splitting auto/manual.
Q. System alarms.
R. Time/date.
S. Timer

2.17 CALL LOGGING SYSTEM

The system shall be equipped with means of detailing the costs of outside calls.
The system shall detail calls on demand from a suitable terminal and or on a
periodic basis. The information required for each call is, originating extension,
the dialed digits, the time the call was made, the duration and the cost of the
call. It is desired that the periodic output shall be in a format defined by the
user so that the costs can be allocated on an individual basis or to a
department, or to a cost center etc. and so that abuse of the system may be
highlighted.
The system shall provide the facility for tracing both internal calls from the
system and incoming calls from the PTT. The traced call information shall be
printed by the system stating the originator, the called party, the time and date
of the call as a minimum. A display on the user telephone should also be
available when required.

2.18 TELEPHONE WIRES

All telephone wires shall be cat5e cables as shown on drawings. The conductor
shall be copper,diameter shall be 0.6 mm generally,unless noted otherwise on
drawings & POQ.

2.19 INDOOR TELEPHONE CABLES:

All indoor telephone cables shall be cat5e cables as shown on drawings . The
requirement of number of pairs are shown on drawings. Following shall be
minimum characteristics:
A. Minimum diameter 0.6.
B. Max. of 28.6 ohms d. c. resistance per 300 meters.
C. Cables shall meet the local standard requirements.

2.20 OUTDOOR TELEPHONE CABLES:

All outdoor telephone cables shall multicore protected telephone cable these
shall be jelly filled for moisture protection.

Section 273000 _ 14
24 OFFICE BLDG, EGYPT Electrical

PART - 3 EXECUTION
A. Provide and install a complete functioning telephone system. The plans and
specifications only indicate major components and in no way are intended to
cover all components or standard options.
B. All wiring shall be installed in conduits or cable duct.
C. All station sets shall be plug in and be interchangeable.
D. Provide telephone outlets at all locations shown on the drawings.
E. Provide operator consoles as shown on plans and mentioned in B.O.Q.
F. Provide an attractive design Digital Telephone sets with memory (32 memories)
for VIP’s as mentioned in drawings and B.O.Q.
G. The cabling shown on plans indicates the minimum number of pairs. Coordinate
the exact requirements with the equipment supplier/manufacturer.
H. Service of telephone system shall be available at site within 24 hours from the
initial call by the Client.

I. Test telephone system in the presence of the representative to full satisfaction

of the Client.
J. Training:
1. The contractor shall state what facilities are available for training of
maintenance personnel and overseas and provide cost details.
2. the contractor shall state how he will provide user training and system
administration training.
K. Locate telephone main equipment as shown on drawings.
L. Cable installation:
Contractor shall pull and lay all cables in the most professional manner, the
pulling force and bending radius shall not exceed the code requirements. The
cables shall be splice-free unless otherwise shown on drawings or specified.
The cables shall be properly organized with proper color coding and terminated
on the terminal blocks in a proper sequence to maintain numbering system.
M. Cable Documentation:
1. Each terminal block in Main distribution room shall have unique
identification.
2. Client shall be provided with schedules identifying each conductor from
telephone outlets to terminal blocks / telephone terminal boxes.

END OF SECTION 273000

Section 273000 _ 15
24 OFFICE BLDG, EGYPT Electrical

SECTION 275116- PUBLIC ADDRESS SYSTEM (PA)

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of the Contract, including General

Conditions, Conditions of Particular Application and Division-1
Specification Sections, apply to work of this section.
1.2 DESCRIPTION OF WORK
This section covers the work of the public address system as required
by the
Contract
.
The public address system shall be used to provide background
music and public announcements.

The main public address equipment are located at security

room

The public address system shall be also used to broadcast

paging live messages and mute the Background Music (BGM).

The public address system shall receive control signals from fire alarm
system in case of fire. Supervisory signals shall be sent from the PA to
the FA to confirm healthy situations or indicate fault.

The public address system shall be interfaced with the telephone

system as indicated on drawings

The extent of work of the public address system is indicated on

Drawings, schedules and riser diagrams.

The public address system shall be modular and shall allow for future

extension. The public address system includes, but shall not be limited

to, the following:

- CD player
- Paging microphone
- Dual cassette
- Power amplifiers
- Loudspeakers
- Digital Mixer
- Racks
Section 275116 _ 1
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- Accessories

Section 275116 _ 2
24 OFFICE BLDG, EGYPT Electrical

1.3 REFERENCE CODES AND STANDARDS

Equipment and installations shall comply with the latest issues of the
current provisions of the following standards:

Acoustic quality according to EN 60849 and ISO 3382 standards Relevant

Egyptian Local and State Building Codes.

Relevant Egyptian life safety codes Standards of Local Authorities

having jurisdiction

NFPA 101 Life Safety Code

NFPA. 70 National Electrical Code (NEC)
NFPA 72 Local Protective Signaling
Systems

IEC Standards

IEC 60331,32 Tests for Electric Cables Under Fire Conditions –

Circuit
Integrity
IEC 60754 Tests on Gases Evolved During Combustion of
Material
From Cables.
IEC 61034 Measurement of Smoke Density of Cables Burring
Under
Defined
Conditions.
IEC 60228 Conductors of Insolated
Cables.

BS Standards

BS 6387 Specification for Performance Requirements for

Cables Required to Maintain Circuit Integrity Under
Fire Conditions.

Equal standards could be accepted, which should be approved in

advance. Such alternative standards shall be indicated in detail
together with their equivalent EN, IEC, NFPA and UL. A copy of the
approved alternative standard and submitted for approval without
any extra cost.

1.4 SUBMITTALS

Submit the following in accordance with Conditions of the Contract and

Section 275116 _ 3
24 OFFICE BLDG, EGYPT Electrical

Division-1 Specification Sections:

1.4.1 General: Submit the necessary complete sets of documentation

indicating type, size, rating, style, catalog number, Manufacturers
names, photographs and / or catalog data sheets for all items to
ensure compliance with Specifications. This documentation shall be
subject to the approval of the Engineer and no equipment shall be
ordered without his approval for all equipment and devices, which
are shown on documents (drawings, BOQ, etc). Any document
submitted by the contractor during the tender stage shall
not be considered as technical submittal, it shall be used only to
approve the manufacture name. During technical submittal stage,
contractor shall submit all required technical document for study and
approval. This study may drive to reject a vendor had been previously
approved during the tender stage.

1.4.2 Technical Submittal: Technical submittal shall include the

following:

- Complete point by point comply sheet with highlighted cross

reference on related data sheets, indicating deviations reasons – if
any – for such deviations, also indicate any extra features /
specifications.
- Manufacturer's technical product data sheets, including
quantities and specifications of every module, specification of
every device, system component, quantities, software and
installations for each unit of equipment. Pin to pin riser diagram
showing all system components and interconnection between PA
system and all other related systems.
- Planes indicating exact location of system components. Provide
acoustic calculations to support the selection and distribution of
the speakers.
- Complete sequence of operations and functions of the
system.
- Contractor shall submit a list of the Manufacturer's authorized,
local representative responsible for installation coordination and
service, pre qualification for the system provider and installer

1.4.3 Shop Drawings: Provide shop drawings showing equipment,

device locations and connection including riser diagrams. Shop
drawings shall include, but not limited to, the following:

- Complete pin-to-pin one-line riser diagram(s) showing all

Section 275116 _ 4
24 OFFICE BLDG, EGYPT Electrical

approved equipment, size, type and number of all conductors,

interconnection between PA and all other related systems.

- Installation details for speakers, raceways, racks and all the

other components of the system. Installation details drawings shall
show all accessories used in installation such as back boxes, glands,
washers, etc. Drawings shall indicate exact location of every single
component of the system in coordination with all other systems
(Electromechanical, Arch., Civil). Submitted shop drawings must
include signature of all involved engineers representing different
disciplines (Electromechanical, etc) to confirm their approval of
such locations, installations and coordination.
- Complete description and data including related standards for all
system components.
- Complete sequence of operations and functions of the
system.

1.4.4 Commissioning, Testing Procedures and Testing Results: Submit

testing and commissioning procedures including required test
equipment for all of the system components as well the over all
system performance.

Tests shall include but not limited to the

following:
- Signal to noise ratio
- Distortion Test
- Acoustic Coverage Test
- Power Output Test
- Intelligibility test
- Reverberation and Echo Measurement
- Howling Test.
- Distortion Test.

1.4.5 Close out Documents: Required documents shall include but not
limited to the following:

As-built Drawings: During the construction of the system, the

Contractor shall put in writing all his remarks, during the progress of
work, concerning any suggested alterations from the shop drawings in
Section 275116 _ 5
24 OFFICE BLDG, EGYPT Electrical

wiring routes, locations of equipment or devices which arise from

coordination between the system and other activities on related
shop drawing plans. Pin to pin connection riser diagram shall also
be up dated to the latest modification done during the project as
well racks’ configuration and connections. These drawings consist
required as built drawings.

During executing the work and preparing the drawings, no execution of

alterations shall be allowed before receiving written approval from the
Engineer.

All alterations shall be registered and filled by the Contractor and

extra copies shall be submitted to the involved parties (Engineer,
Project Manager, Site, etc.).

A complete as-built draft set of Drawings and equipment schedules

shall be prepared fifteen (15) days after completion of work for
approval of the Engineer. The draft As-built shall include all
previously approved alterations. Final originals and copies of as-
built Drawings shall be submitted in accordance with Division-1,
Section 01300 "Submittals".

As-built document shall include

also:
- Operation and maintenance manuals including; Up dated data
sheets for installed equipments, operation instructions,
programming procedures Electronic circuits for every device and
equipment, troubleshooting repair guide, required spare parts list
for 5 years of operation, circuit diagram.
- Final acoustic study based on installation modification if
any.

1.4.6 Maintenance Data: Submit maintenance data, circuit diagram and

parts' lists for each type of sound equipment installed, including
furnished specialties and accessories. Include this data, product data,
and shop drawings in maintenance manual in accordance with
requirements of Division 1 and other relevant documentation.

1.5 QUALITY ASSURANCE

1.5.1 Manufacturer Qualifications: Manufacturing firms of the public

address system shall be regularly engaged in manufacturing of
public address system of type, size and characteristics similar to
those required for the project and whose products have been in
satisfactory service in similar projects for not less than five (5) years.

Section 275116 _ 6
24 OFFICE BLDG, EGYPT Electrical

1.5.2 Installer Qualifications: Engage an experienced Installer who is a

factory- authorized sales and service representative to perform the work
of this section.

The Installer firm shall have at least five (5) years of successful
installation experience of public address systems similar to that
required for the project.

1.5.3 Training: Equipment’s manufacturer and his authorized, local

representative shall provide, in depth, equipment service and
programming on site training to selected Employer’s personnel for one
week.

1.6 DELIVERY, STORAGE AND HANDLING

Deliver products in factory containers. Store in clean, dry, closed

space in original containers. Protect products from fumes. Handle
very carefully to avoid shocks or damage.

1.7 RELATED SECTIONS

The following sections include requirements, which relate to work of this

section:

16050 Basic Electrical Materials and

Methods
16060 Grounding and
Bonding
16120 Wires and
Cables
16130 Raceways, Boxes and
Cabinets
16139 Cable Trays
16195 Electrical
Identification
16721 Fire Alarm
System

1.8 INTERFACE WITH OTHER SYSTEMS

The public address system Supplier shall be responsible to

coordinate and exchange information with Supplier(s) Contractors of the
Telephone system, Fire Alarm System and any other related systems in
order to achieve the required functions.

Section 275116 _ 7
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 GENERAL
The public address system shall provide to public areas background
music (BGM) programs and live messages. The sound level shall be
adjusted at 15 dB higher than the noise level of each area as per
NPFA. Distribution of signals should compensate time delay between
speakers in order not to have poor sound quality and low articulation.

Sound and noise levels provided in these specifications are for

GUIDANCE and the Contractor is responsible for measuring the noise
level in all the public areas and readjusts the sound levels accordingly.

Public Address system shall have a standby amplifier per rack with
surveillance and automatic change over unit to detect the faulty
amplifier and automatically reconnect related zones to the standby
amplifier.

The paging microphones shall be located as indicated in

drawings.

The Public Address system shall be interfaced with telephone system

so that each zone has a telephone number to make paging in specific
zone.

Each tenant area shall have Public address pull box (PAPB) which is an
empty pull box connected to main equipment in control room through
empty conduit. That (PAPB) will be used to connect power amplifier
which will be Tenant scope to main equipment and connect it to
Telephone outlet inside Tenant scope.

The equipment which constitute the public address systems, shall

be modular, rack mounted and shall have common stand-by extra
modules.

The system shall be core and shell tenant shall provide required
ceiling speakers inside his area with relevant amplifiers, interfaces
with telephone system and cabling up to Mixer with required Audio
distributor amplifier

2.2 EQUIPMENT AND MATERIALS

Provide equipment using all solid-state components fully rated
for continuous duty at the ratings indicated or specified for normal
operation on input power supplied at 220 V, 50 Hz.

Section 275116 _ 8
24 OFFICE BLDG, EGYPT Electrical

All equipment and materials shall be designed to operate and provide

maximum continuous performance at temperature and humidity
of the project location. Precautions shall be inherently provided in
equipment to
protect them from reduction in performance or damage in peak
climatic conditions at peak continuous outputs.
Provide complete and fully functional public address systems using
materials and equipment of types, sizes, ratings and performance as
indicated. Use materials and equipment that comply with Referenced
Standards and manufacturer's standard design and construction in
accordance with published product information. Coordinate the
specifications of the supplied materials modules, circuits and
equipment so they form an integrated system with constituents and
interconnections matched for optimum performance of specified
functions. Specifications of all parts of public address systems shall be
coordinated to perform as one homogenous system.

The main PA system shall consist of, but not limited to, the
following:

- CD player
- Paging microphone
- Digital Mixer
- Audio distributor
- Power amplifiers
- Loudspeakers
- Racks
- Accessories

2.2.1 CD Player/MP3 PLAYER: CD player shall be simultaneous operation of CD/ mp3

and tuner with the following feature:

- INPUT: audio compact disk input 12cm,USB memory stick input, rs232 and
SD/MMc memory card
- OUTPUTS: 2 fixed audio output, 1 variable audio output
- FREQUENCY: 50 Hz to 20 kHz
- MOUNTING: 19" rack mounted
- ACCESSORIES: power cable and antenna

2.2.2 Paging Microphone:

Features:
- 12 zone presets
- 3-pin XLR low-Z mic input
- 3-pin XLR Aux mic input
Section 275116 _ 9
24 OFFICE BLDG, EGYPT Electrical

- Electronically balanced
- Mic level control +25 dBu full scale
- Electronically balanced output
- Maximum Input Level:-22 dBu
- Maximum Output Level:+25 dBu
- Input Impedance:2.2K Ohms
- Output Impedance:200 Ohms
- Frequency Response:20 Hz to 20 kHz (+0, -2 dB)
- Signal-to-Noise Ratio: Greater than 84 dB

- Paging MIC should be equipped with its Pre-amplifier.

2.2.3 Audio Mixer: The audio mixer shall have input capacity as
indicated in design drawings.

The mixer shall be microprocessor controller based, it shall include

signal generator to produce a minimum 3 chime tones.

The mixer shall accept of minimum three (3) call stations; it shall
have a system of properties so as to deal with conflict situation when
a call is requested from two call stations simultaneously.

It shall accept a stop signal from the fire alarm system to mute all the

outputs. The audio mixer shall have the following characteristics:

- Microprocessor Based.
- Frequency Response 20 Hz – 20
KHz.
- S/N ratio >60dB.
- Capacity: Indicated on
Drawings
- Microphone Phantom Power. Yes
- Distortion <.5%
- Signal presence indicatorYes
- Signal priorityYes

2.2.4 Power Amplifier: Sound System Booster Amplifiers to be fed from the
mixer unit as indicated on drawings. The amplifiers shall be installed in
the audio rack as indicated on drawings and shall include power
amplifier monitoring circuits to detect faults and protect its circuits from
short circuit, over voltage, clip- limiting circuit protection and overload
protection form damage.

The power amplifier shall contain but is not

limited to:
- Total Harmonic Distortion:
Section 275116 _ 10
24 OFFICE BLDG, EGYPT Electrical

Less than one percent (1%) at rated power output from 50 Hz to 20

kHz output level.
- Mounting : Rack mounted
- Frequency Response : + 3 dB from 50 Hz to 20 k
- Noise Level : - 60 dB minimum below rated output
- Controls : Input level, master gain, on/off
- Output : 70 V – 100 V balanced line
- Output Regulation : Less than 2 dB from zero to full load
- Input Sensitivity Matching the preamplifier output
:
and capable of full rated output
- Controls : On/off, input levels, bass and treble control

Each amplifier shall be interfaced with Telephone system through

internal module or external module with required equipment to
make signal selection between telephone and mixer .

2.2.5 Monitor Panel: The monitor module shall monitor each power
amplifier output by means of view meter, indicating LEDs and built in
speaker. The monitor module shall operate on 70/100V matched with
the power amplifier output. The unit shall be transformer insulated.

2.2.6 AM/FM Radio Tuner: AM and FM automatic tuning and station

frequency present tuner. Tuning Range AM – 522 to 1611 kHz, FM-87
to 108 MHz. Sensitivity AM – 200µV, Harmonic Distortion 0.3% at
1KHZ , FM – 21 µV for 50 dB quieting. S/N Ratio better than 76 dB,
Harmonic Distortion 0.2% at 1KHZ the unit shall have remote control.

2.2.7 Voice Alarm Controller:

System is a public address and voice alarm system in which all the
necessary features for compliance to evacuation standards such as
IEC60849, NEN2575 and BS5839/8 are integrated, the voice alarm
controller shall equip with a hand-held microphone, which can be
used to make emergency calls. The system shall have the following
features:

Power LED/VU Meter - A combined power indicator and VU meter.

The green power LED is lit if the voice alarm controller is connected to
the mains or back-up power and switched on. The VU meter indicates
the master VU level: 0 dB (red),- 6 dB, -20 dB (yellow).
Fault indicators - twelve yellow system faults LEDs (Processor reset,
Network, Call/EMG, Music/Spare, Ground short, Input, Mains, Battery,
Message, EMG mic, RCP and Router) and twelve yellow loudspeaker
line fault LEDs. Fault indication is only possible if supervision is

Section 275116 _ 11
24 OFFICE BLDG, EGYPT Electrical

enabled. If supervision is disabled, the yellow Disabled LED is lit.

Emergency call zone selectors - Six buttons extendable to 12 using

sleeve controllers (routers) to select the zones to which the
emergency call must be distributed .Each button has a green and a
red LED. The red LEDs indicate the zones that are selected for the
emergency call. The green LEDs indicate the zones in which a business
call is running.

Zone outputs - 12 zone outputs to connect loudspeakers to the voice

alarm controller. Each zone output consists of two loudspeaker line
outputs

Override outputs - 12 volumes override outputs to override local

volume controls in each zone

Trigger inputs: 24 V DC output - Twelve trigger inputs to receive

signals from third party equipment and one 24 V(DC) output

Emergency button - A push button to put the system in the

emergency state

Alarm message button - A button to select the default alarm

message. This button is only available in the emergency state

2.2.8 Ceiling Speaker: Ceiling speaker shall be used at corridors and indoor

areas as shown on drawings.

The ceiling speaker shall have the following characteristics:
- SPL/1W/1M: Min 90 dB
- Frequency Response: +3 dB from 70 Hz to 20 kHz
- Rated Output Level: 1.5/3/6 watt with tapping transformer
- Input voltage: 70-100V
- Wide dispersion: 170° Conical

Full power matching transformer rated with four EIA standard taps
and matched with audio power transmission voltage including taps for
1,½, ¼ of the rated output power. Ceiling flush mounting including
back boxes and matching transformers.

Construction with provision for relief of backpressure except if they

are acoustically suspended. Front face and the whole assembly
shall be rust proof and shop-primed and painted. The speaker finish
and color shall be coordinated with architect.
Section 275116 _ 12
24 OFFICE BLDG, EGYPT Electrical

2.2.9 Racks: Racks shall be used to house the all-public address system equipment.

All rack wiring and inter connections must be

labeled. Racks shall have but not limited to the

following:

- Standard 19” Rack Cabinet

- Closed rack style with sided covers
- Glass door with lock
- Automatic fans
- Two vertical cable organizer (filling factor should not exceed 40%)
- Basement support with wheels
- Front and back opening
- Sliding mounting plates
- Horizontal cable organizers (filling factor should not exceed 40%)
- Blank plates
- Shelves
- Earthing Kit and Earthing connection
- Power strips
- All required accessories (screws, nuts, etc.)

The contractors shall submit a complete rack configuration showing

every component including the components, which are not in scope
of work (elevation and plan).

2.2.10 Distribution Amplifier: It shall be used to distribute the signal audio

output of the mixer to multiple inputs of several amplifiers.

This device shall have a capacity as shown on drawings, Compatible

with other system components (Connection, Connectors, Bandwidth,
…etc) to save system performance without any effects.

Its gain shall be aquate to eliminate cable signal attenuations

2.3 WIRES AND CABLES

The public address wiring shall include the

following:

- Wiring which connect speakers with the public address

equipment.
- Wiring which connects microphone stations with the PA
Section 275116 _ 13
24 OFFICE BLDG, EGYPT Electrical

systems.

Conductors: Size speaker circuit conductors from power amplifiers

system to loudspeaker outlets shall be adequate to avoid voltage drop
more than 5% and conductors from high-level sound sources to
amplifiers not smaller than
1 mm. Use jacketed twisted-pair un-tinned solid copper
conductors.

Embedded conduits inside concrete or walls shall be Rigid UPVC and

all other conduits shall be hot Dip Galvanized steel.

Outdoor twisted pair cables shall be used to connect between power

amplifiers and distributed speakers. Cables shall be as Fire alarm
cables, it shall also be installed as per fire codes. Cable thickness shall
be suitable to have not more than 5 % voltage drop along its path.
Contractor shall provide calculation to proof voltage drop on selected
cables. Cables shall be rodent proof outdoor type and installed in a
way that no noise nor interfering shall be accrued on the audio signal

2.4 CONDUITS

All Embedded inside concrete or walls conduits shall be PVC conduits.

Polyvinyl chloride conduits (PVC) shall be rigid heavy wall,

60°C,
conforming to BS 4607 and BS 6099. All conduits shall be of one type,
and
low temperature, ozone, corrosion and moisture resistant. Joints
shall be self-welded by applying a resolvent to the mating surfaces.

Liquid-tight flexible metal PVC insulated conduits shall be provided

for short connections to equipment as required. Liquid-tight conduit
shall have an interlocked flexible galvanized steel core. Male
liquid-tight threaded fittings shall be attached at each end and have
an internal copper bonding conductor wound spirally in the space
between each convolution for the equipment ground conductor by
the Contractor. The ground conductor shall be connected to the end
of fittings with an approved connector or jumper

PART 3 EXECUTION

3.1 EXAMINATION

Examine conditions, with the Installer present, for compliance with

requirements and other conditions affecting the performance of the
Public Address System work.
Section 275116 _ 14
24 OFFICE BLDG, EGYPT Electrical

Do not proceed until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

3.2.1 General: Install system in accordance with NFPA 70 and other

applicable referenced codes and standards. Install equipment in
accordance with Manufacturer's written instructions.

3.2.2 Wiring Methods: Install wiring in raceway/conduit except within

Racks, disks and counters, and except in accessible ceiling plenums
where cable- wiring method may be used. Use UL-listed plenum cable
in environmental air spaces, including plenum ceilings. Conceal wiring.

3.2.3 Impedance and Level Matching: Carefully match input and

output impedances and signal levels at signal interfaces. Provide
matching networks where required.

3.2.4 Splices, and Terminations: Splicing is not permitted for cabling.

3.2.5 Identification of Conductors and Cables: Use color coding of conductors

and apply wire and cable marking tape to designate wires and cables so
all media are identified in coordination with system wiring diagrams.

3.2.6 Repairs: Wherever walls, ceilings, floors or other building finishes

are cut for installations, repair, restore and refinish to original
appearance.

3.2.7 Grounding: The system shall include connection with the clean earthing.

3.3 FIELD QUALITY CONTROL

3.3.1 Manufacturer Field Services, General: Provide services of a

factory authorized service representative to supervise the field assembly
and connection of components and the pretesting, testing and
adjustment of the system.

3.3.2 Pre-testing: Upon completion of installation of the system alignment,

adjust and balance the system and perform complete pretesting.
Determine, through pretesting, the conformance of the system to the
requirements of Drawings and Specifications. Correct deficiencies
observed in pretesting. Replace
malfunctioning or damaged items with new ones and retest until
satisfactory performance and conditions of materials and equipment
are achieved.

3.3.3 Testing: Upon completion of pretesting, notify the Engineer a

minimum of ten (10) days in advance of acceptance test. Performance
Section 275116 _ 15
24 OFFICE BLDG, EGYPT Electrical

testing procedure and testing equipment to be used for measuring

parameters shall be included in a submittal for the Engineer's
approval. Schedule and conduct tests in the presence of the Engineer.
Provide a written record of test results and equipment used in these
tests:
- Operational Test: Perform an operational system test to
verify conformance of system to Specifications. Perform tests
that include originating programs, all preamplifier program
inputs and all other inputs. Observe sound reproduction for
proper volume levels and freedom from noise.
- Signal-To-Noise Ratio Test: Measure the ratio of signal to noise of
the complete system at normal gain settings using the following
procedure:

• Disconnect a microphone at the connector or jack closest to it

and replace it in the circuit with a signal generator using a 1 kHz
signal. Replace all other microphones, if existing, at the
corresponding connectors with dummy loads each equal in
impedance to the microphone it replaces. Measure the ratio of
signal to noise.
• The minimum acceptable ratio is 50 dB.
- Reverberation and Echo Measurement: Measure reverberation
time and echo in the large public areas and adjust the system
accordingly.
- Howling Test: Test the system for howling due to microphones
speaker feed back and adjust the system to stop it.
- Distortion Test: Measure distortion at normal gain settings and
rated power. Feed signals at frequencies from 50 Hz to 12 kHz into
each preamplifier channel and measure the distortion in the power
amplifier output. The maximum distortion at any frequency shall
not exceed three percent (3%) of total harmonics.
- Acoustic Coverage Test: Feed noise into the system using
octaves centered at 4000 and 500 Hz. Use a sound level meter with
octave band filters to measure the level at five (5) locations in each
zone. For spaces with seated audiences, the maximum permissible
variation in level is plus or minus 2 dB and the levels between
locations in the same zone and locations in adjacent zones shall not
vary more than plus or minus 3 dB.
- Power Output Test: Measure the electrical power output of each
power amplifier at normal gain setting at 50, 1 000 and 12
000 Hz. The maximum variation in power output at these
frequencies shall not exceed plus or minus 1 dB.
- Inspection: Make observations to verify that units and controls
Section 275116 _ 16
24 OFFICE BLDG, EGYPT Electrical

are properly labeled and interconnecting wires and terminals are

identified. Provide a list of final tap settings of speaker line
matching transformers.

- Retesting: Rectify deficiencies indicated by tests and completely

retest work affected by such deficiencies at the Contractor's
expense. Verify by the system test that the total system meets
specifications and complies with applicable referenced codes and
standards. Provide a written record of all retest results.

3.4 OCCUPANCY ADJUSTMENTS

When requested by the Employer within one (1) year of date of the
issue of the Taking-Over Certificate provides on-site assistance in
adjusting sound levels, resetting matching transformer taps and
adjusting controls to suit actual occupied conditions.

3.5 CLEANING AND PROTECTION

Prior to final acceptance, clean system components and protect

from damage and deterioration.

3.6 GUARANTEE

The Contractor shall guarantee the equipment and workmanship for two (2)
years after the final handing over of the system.

3.7 SPECIAL TOOLS AND TEST EQUIPMENT

The Contractor shall provide his recommended priced list of special

tools and test equipment required for maintenance and repair of the
system for the Engineer's approval during bidding stage.

END OF SECTION 16780

Section 275116 _ 17
24 OFFICE BLDG, EGYPT Electrical

SECTION 280507.19 - SOLAR PV SYSTEMS TECHNICAL SPECIFECATION

PART1-GENERAL

1.1 SUMMARY

A. Description:
• Provide a complete and functional grid-connected photovoltaic system as specified.
The system shall include mounting structures, photovoltaic cells, inverter(s), disconnects,
combiner box, grid tie, metering, and all wire and conduits.
• Installing contractor shall receive, place, connect, and mount all equipment specified
in this Section per the manufacturer’s instructions. Installing contractor shall furnish all
hardware, wire, conduit, connectors, and other necessary items as required for a complete
and functional operation.
• The system shall consist of an array of photovoltaic modules with aluminum frames
designed for grouping on racks, terminal and combiner box(es), quick-connect electrical
connectors, DC wiring, DC disconnect, grid-connected inverter(s), AC disconnect, and a data
acquisition and monitoring system (DAS) and isolation transformer, as specified in final
project specifications. The inverters shall be wired to the building’s electrical system.
• The actual orientation and tilt of the array shall be optimized based upon computer
studies for the specific project location and its associated weather data and sun patterns.
Provide design analysis and installation recommendations for optimum output and energy
savings.
B. Work included
• Provide engineering, labor, materials, and accessories required to furnish, install, start
up, and commission complete operating solar photovoltaic systems. Labor, materials, or
accessories not specifically called for in the Contract Documents, but required to provide a
complete operating system shall be provided without additional cost to the Owner.
Determine, coordinate, and incorporate the design and construction requirements of the
Architect, Structural Engineer, Mechanical Engineer, General Contractor, and other

Section 280507.19 _ 1
24 OFFICE BLDG, EGYPT Electrical

• Subcontractors.
• Civil work (grouting) for PV structure. Also anti-corrosive material must be used for
mounting structure for SPV plant.
• AC – DC Distribution cables and grounding system shall be the responsibility of the
Tenderer to provide desired distribution and grounding system.
• Supply of manual for Operation and Maintenance of all the system.
• Supply and installation of control equipment required for the system.
• Training to the user for operation and maintenance of the system.
• Any additional works not covered above, but necessary for the functioning of the
system and required as per specification incorporated. The items of minor nature, which are
not mentioned, shall be incorporated by the Tenderer.
• Regarding cabling work (external & internal) & construction of control room, the
Tenderer is required to visit the site and as per actual site conditions quote (including
drawing & design) accordingly.
C. PERFORMANCE REQUIREMENTS
• Minimum acceptable Performance ratio: 78% proofed by licensed software.

1.2 REFERENCES
• All equipment and calculations shall comply with requirements of the latest revision
of the relevant standards of:
A. NEC: National Electric Code.
B. NEMA: National Electric Manufacturers Association.
C. ANSI: American National Standards Institute.
D. IEC: International Electro Technical Commission.
E. NFPA: National Fire Protection Association.
F. ASTM: American Society for Testing and Materials.
G. ASCE (7-05 or 7-10): Minimum Design Loads for Buildings and Other Structures.
H. IBC (2006, 2009 or 2012): International Building Codes.
• Testing Sources
A. IEC 61215: Crystalline Silicon Terrestrial Photovoltaic Modules.
B. IEC 61730: Photovoltaic Module Safety Qualification.

Section 280507.19 _ 2
24 OFFICE BLDG, EGYPT Electrical

C. IEC 61701: Salt Mist Corrosion Testing of Photovoltaic Modules.

D. UL 1703: Flat-Plate Photovoltaic Modules and Panels.

1.3 ACTIONSUBMITTALS

1.3.1. GENERAL:

Submit the necessary complete sets of documentation indicating type, size, rating, style,
catalog number, Manufacturers names, photographs and / or catalog data sheets for all
items to ensure compliance with Specifications. This documentation shall be subject to
the approval of the Engineer and no equipment shall be ordered without his approval for
all equipment and devices, which are shown on documents (drawings, BOQ, etc). Any
document submitted by the contractor during the tender stage shall not be considered as
technical submittal, it shall be used only to approve the manufacture name. During
technical submittal stage, contractor shall submit all required technical document for
study and approval. This study may drive to reject a vendor had been previously
approved during the tender stage.

1.3.2. DESIGN STUDIES:

Submit a study, which evaluates and determines the best orientation and slope of the
solar panel arrays. The study shall examine and evaluate the associated energy
production (kWh) for various orientations and slope. Study shall include average bi-
annual (summer and winter) energy production. Study shall take into consideration the
adjacent obstructions and typical local weather conditions such as typical occurrences of
fog or high clouds. In the condition that all panel arrays are not all in the same
orientation, the study shall address any impacts this may have on the overall system
performance.

1.3.3. PRODUCT DATA:

Submit the following in accordance with Conditions of the Contract and Division-1
Specification Sections:

A. System description with working principles.

B. System single line diagram.
C. Solar PV array lay-out.
Section 280507.19 _ 3
24 OFFICE BLDG, EGYPT Electrical

D. Shop Drawings: Provide detailed drawings of the solar photovoltaic system and
accessories with dimensioned locations of components and external connections and
attachments, detailed point-to-point wiring diagrams showing each device and
interconnections.
E. Design Data: Structural design calculations with signature of professional engineer
licensed to practice in the state with respect to project’s location.
F. Installation instructions.
G. Data sheets and user manuals of the solar PV panels and the solar grid
H. Data sheets and user manuals of inverter.
I. A system operation and maintenance manual.
J. Name, address, mobile number and email address of the service centerto be contacted
in case of failure or complaint.

1.3.4. CLOSEOUT SUBMITTALS

A. Operatingandmaintenanceinstructions.

1.3.5. DELIVERY, STORAGE, AND HANDELING

A. Receive, handle and store materials in conformance with the manufacturers printed
instructions.
B. Stock products under protection cover, in manufacturer's unopened packaging until the
installation’s start.
C. Stock supplies in a locations in accordance to manufacturer’s guidelines. Protect
materials from exposure to moisture.
D. Roof Placement: Avoid overloading the roof structure by spreading the bundles and
crates. Recommended location is over major supports such as beams (girders) or
trusses.

1.3.6. SEQUENCING

A. Confirm that appropriate information required for installation of products of this

section are well-appointed in time to avoid interruption of construction.
B. Confirm that products of this section are provided in time to avoid interruption of
construction

Section 280507.19 _ 4
24 OFFICE BLDG, EGYPT Electrical

1.3.7. QUALITYASSURANCE

A. ManufacturerQualifications: Approvedmanufacturerofsolar systemlistedinthis Section

with minimum [10] years record of satisfactory manufacturing and support of
componentscomparabletobasisofdesignsystem.

1.3.8. WARRANTY

A. The system shall be warranted as specified in the purchase agreement, but shall be
noless than one year from the time of acceptance. The Solar Photovoltaic
systemmanufacturer shall replace or repair any defective parts within the first year of
operationat no extra cost.
B. The photovoltaic panels shall be covered by the photovoltaic manufacturer’s
warranteefor a minimum of 25 years, and shall be passed through the supplier to the
customer.
C. The inverter shall be covered by the manufacturer’s warrantee for a period of not
lessthan five years, and shall be passed through the supplier to the customer.

Section 280507.19 _ 5
24 OFFICE BLDG, EGYPT Electrical

PART 2 – PRODUCTS

2.1 MANUFACTURERS

Refer to the attached manufacture list.

2.2 MATERIALS

PV SPECS
• Specific annual yield: min 1400-1600 KWH/KWP proofed by licensesPV software and
monitoring system.
• Performance ratio after one year not less than (78-80%)proofed by monitoring system.
• General system efficiency: min 11%.
PV Modules
• Photovoltaic crystalline/polycrystalline modules shall be enclosed in a corrosion
resistant heavy-duty frame with tempered low iron anti-reflective coated glass and clear
encapsulated insulation (don’t use Plexiglas)
• Technology: we recommend mono crystalline for that specific project.
• Rated power: min.265Wp
• Format: min 60cells.
• Cables: min. 4- 6mm2 except otherwise noted.
• Protection: Junction box: min IP66 , Connector: min IP68
• Framing: anodized aluminum with min. of 4 grounding points.
• Operation temp: -40: +85°c.
• Power cost feasible limit: watt.
• Safety class: II
• Fire rating: C
• Wind load: min. 3800 Pa.
• Snow load: min. 5400 Pa.
• Open circuit voltage temp. Coefficient (TC Voc): Max. -0.34 %/°C
Mounting system:
• Heavy-Duty Photovoltaic Module Rack – Provide in lengths required without splices.

Section 280507.19 _ 6
24 OFFICE BLDG, EGYPT Electrical

• Finish: Clear anodized aluminum. Providing same load capacity. Provide L-Feet, module
clamps, and other associated accessories by same manufacturer. Furnish stainless
fasteners.
• Angle: 12.5°-25°.
• Potential: comes with own potential points.
• The fabricated material (stands, bracket etc.) should be Anodized Aluminum Alloy
having suitable thickness according to requirement of the site conditions.
• The fabricated frames must be made hot dip Galvanized Iron with FRP coating on it with
Stainless Steel (S.S.304) nut-bolts having brush /hairline finish quality.
Inverter:
• Efficiency: min 97%.
• Tracking: MPPT (never use PWM).
• DC input: up to 1000VDC.
• AC output: 3 phase /230v/50Hz.
• Safety: min. IP65 / up to 100% humidity (non-condensing).
• Noise: max 50 dB.
• Max temp: -20: + 60°c.
• Overvoltage class: III.
• DC injection: 0.5 as per Egyptian code.
• Power factor: min. 1@rated power / adjustable0.8 lead , 0.8 lag.
• Essentials: DC disconnect.
Ground fault monitoring.
Grid monitoring.
DC reverse polarity protection.
AC short-circuit current capability.
Lightning arrester AC/DC protection
Communications software
Solar cables
• Double insulated single core copper wire for the interconnection of PV systems , flame
retardant ,halogen free and UV-proof , 0.6/1kv

Section 280507.19 _ 7
24 OFFICE BLDG, EGYPT Electrical

• Potential color coded (outside/inside).

• Flame retardant according to IEC 60332.1.2.
• Halogen-free according to EN 50267-2-1/-2.
• Ozone-resistant according to EN 50396.
• Weather-/UV resistant to HD 605/A1.
• Acidic retardant according to EN60811-2-1.
• Head: Fine tinned copper.
• Insulation: min. cross linked copolymer.
• Outer sheath: recommended reticulated copolymer.
• Conductor: fine wire according to VDE 0295.
• Safety: class 5/ IEC 60228 class 5.
• Rated voltage AC U0/U:600/1000v , DC U0/U: 900/1500v
• Operating voltage: min. DC 1.8 KV.
• Temperature range: E-40 °c to +100°C.
AC connection board:
• Provide type tested form (1) low voltage panel complete with MCB 10ka,adjustable type
MCCB 25ka Ics=Icu, fuses , 4pole RCCB 300ma ,surge protection, reverse power relay (if
any), digital multi-meter and all needed accessories for complete installation.
DC connection board:
• Provide modular construction, DC collecting panel for not less than 12 strings, Max.
1000 V DC complete with fuses, DC disconnectedswitch, overvoltage protection ,surge
protectionand all needed accessories for complete installation.
AC cables
• Multi core power cables, with stranded copper conductors PVC insulated and PVC
sheathed , 0.6 / 1kv(CU/XLPE/ PVC), four core up to 35 sq.mm ,four core with reduced
neutral above 35sqmm.
• Multi core power cables, with stranded aluminum conductors PVC insulated and PVC
sheathed , 0.6 / 1kv(AL./XLPE/ PVC), four core up to 35 sq.mm ,four core with reduced
neutral above 35sqmm(if any).
Cable race way:

Section 280507.19 _ 8
24 OFFICE BLDG, EGYPT Electrical

• Provide metal conduit, boxes, fittings, cabinets, gaskets and covers for all conduit
installations. The conduit bodies, boxes, fittings, cabinets and covers shall be hot-dipped
galvanized steel unless otherwise specified, with threaded hubs, and sufficient size to
provide free space for all conductors that shall be enclosed.
• Metal conduits shall be rigid galvanized steel (RGS) heavy gauge not less than 20 mm
diameter conforming to BS 4568 or IEC 60614, 1035 to ANSI Standard C 80.1. PVC
conduits will not be permitted. The surfaces and threads shall be corrosion-resistant
coated. All RGS conduit joints shall be threaded using standard tapered thread. Each
conduit length shall be furnished with a coupling and a thread protection cap.
• Pull and junction boxes shall be of the same material and manufacturer as conduits
• All cable trunking shall be Metal trunking made of hot dipped galvanized after
fabrication sheet steel with screw-on covers to BS4678.

Section 280507.19 _ 9
24 OFFICE BLDG, EGYPT Electrical

PART3-EXECUTION

3.1 EXAMINATION

A. Inspect installation region to validate the project can be completed in agreement with
the drawings and structural calculations with no interruption from other equipment or
trades.
B. Do not start installation till drawings and calculations have been accurately prepared.
C. If planning is the duty of alternative installer, notify Architect of unacceptable planning
before proceeding.

3.2 PREPARATION

A. Clean all surfaces including modules thoroughly preceding installation.

B. Arrange surfaces in accordance to manufacturer recommendation for project
conditions.
C. Insure mounting rails or other type systems are properly secured and able to properly
support the modules.

3.3 INSTALLATION

A. Install in accordance with manufacturer's instructions.

B. Make sure that the module meets the technical requirements of the overall system.
C. Other system components shall not exert any adverse mechanical or electrical
influences on the module.
D. To avoid performance losses, all modules connected in series should be arranged with
the same orientation and tilt angle.
E. Try to reduce possibility of corrosive or electrolytic action between metals.
F. Implement care while installing components so as not to damage finish surfaces.
G. Touch up as required to repair damaged finishes.
H. Remove all protective masking from material immediately after installation.
I. Surveying and placing markings on roof top.
J. Preparing the mounting system.
K. Erecting mounting system.
L. Mounting of table racks & profiles.

Section 280507.19 _ 10
24 OFFICE BLDG, EGYPT Electrical

M. Mounting PV panels.
N. Wiring all connections between modules, combiner box and inverter.
O. Building & creating network injection point.
P. Building up battery banks if any.
Q. Creating & installing fuses/C.B points.
R. Wiring and commissioning connection between battery banks and battery inverters if
any.
S. Wiring and commissioning connection between battery inverters and distribution
boards if any.
T. Wiring switchgear and protection fuses/MCCB.
U. Open circuit testing (up to 1000v DC).
V. Grounding the system against lighting and ground clusters.
W. Wiring and commissioning connection between inverters and panels.
X. Wiring switchgear and protection fuses.
Y. Open circuit testing (1000v DC).
Z. Installing system main disconnect breaker (required by utility company).
AA. Programming system monitor screen.

3.4 PROTECTION

A. Protect installed products until execution of project.

B. Touch-up, repair or replace damaged products before completion.
C. Regular inspection of the system to ensure:
D. All fixtures are securely tightened and corrosion free.
E. Wiring is securely connected, properly arranged and free of corrosion.
F. Cables are free of damage.
G. Prior to installation, examine work area to verify measurements, and that
commencing installation complies with manufacturer's requirements.

3.4 approved manufactures:

Suntech China, SOLAR WORLD Germany, JINCO CHINA , Trinasolar or

Solar PV Modules
approved equal

Section 280507.19 _ 11
24 OFFICE BLDG, EGYPT Electrical

On grid Inverter Schneider electric-SMA- Sungrow -ABB or approved equal

Mounting system Schletter Germany-HDG Germanyor approved equal locally

Solarlog-power dog-schnider electric or approved equalmatched
Monitoring system
with the existed central monitoring software in NBE bank
MEMCO – Aldawlia– Gilla– smart or approved equal type tested
Ac panel boards
prisma panels
Dc combiner box Integrated in inverter , ENWI , RPV Elektrotechnik or approved equal
Dc wiring KEB,BETAFLAM ,LIONI,CET,HIS, KWV or approved equal
Ac wiring El-sewedy cables , BICC cables or approved equal
Cable tray/trunking Egy tray – Emeco- NOVOor approved equal

EMT conduits ALLIED , WHEATLAND , STEEL ELECTRIC, burn or approved equal

Section 280507.19 _ 12
24 OFFICE BLDG, EGYPT Electrical

SECTION 280533- MASTER ANTENNA TELEVISION SYSTEM (MATV)

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of the Contract, including

General
Conditions, Conditions of Particular Application of Division-1
Specifications Sections, apply to work of this
section.

1.2 DESCRIPTION OF WORK

This section covers the works of Master Television Distribution System

as described by the Contract documents (specifications, drawings,
BOQs etc.).

The main Antenna Distribution System shall be Sat. IF and VHV/UHF

distribution system. Received signals shall be amplified, switched and
distributed to IF-RF switches (active with loop through, passive with
loop through and stand alone multi-switches) cascaded, three (3)
satellite dishes to receive signals, VHV/UHF antenna and all necessary
accessories.
All system components shall be from single manufacturer if
available.

The Contractor is required to submit power budget calculation; any

required amplifier or accessories shall be submitted to assure
standard signal level.

1.3 REFERENCE CODES AND STANDARDS

Equipment and installations shall comply with the current stipulations

of the local authorities and the standards of:

- (ITU-R) International Telecommunication Union Radio

communication sector TIU-T.
- ANSI/TIA/EIA
- International organization of standardization ISO.
- Consultative Committee International for Radio CCIR.
- Electronic Industries Association EIA
- BS 4607: Conduits and fittings of electrical installation.

Section 280533 _ 1
24 OFFICE BLDG, EGYPT Electrical

1.4 SUBMITTALS
Submit the following in accordance with Conditions of the Contract and
Division-1 Specification Sections:
- General: Submit complete sets of documentation as stated
by the contract conditions indicating type, size, rating, style,
catalog number, manufacturers names, photographs and/or
catalog data sheets for all items to ensure compliance with
Specifications. Submit pin to pin riser diagram including all
system components This documentation shall be subject to the
approval of the Engineer and no equipment shall be ordered
without this approval for all equipment and devices, which are
shown on Drawings and in Bill of Quantities.
- Shop Drawings: Provide shop drawings showing equipment and
device locations and connecting wiring of entire main television
distribution system, including riser diagrams. Shop drawings shall
include, but not be limited to, the following:

• Complete one-line riser diagram(s) showing all equipment and

size, type and number of conductors, dB levels at each junction
box and dB levels at the end outlets.
• Pin to pin connection diagram.
• Large scale drawing of the central television equipment.
• Provide calculations to support type of cables, system gain and
overall signal loss, in all cable routes from start to end including
network accessories, in order to prove the adequacy of the
proposed equipment to provide signal strength at outlets.
• Include instructions and installation manuals.
• Complete sequence of operations and functions of the system.
• Complete system block diagrams.
• A listing of the manufacturer's authorized local representative
responsible for installation coordination and service.

- Product Data: Submit manufacturer's technical product data,

including specifications and installations for each type of
equipment. Include standard or typical riser and wiring diagrams,
operation and maintenance instructions for inclusion in
maintenance manual.
- Operation and Maintenance Data: Submit operation and
maintenance data and parts lists for each type of equipment
installed, including furnished specialties and accessories, and circuit
diagrams. Include this data, product data, and shop drawings in
Section 280533 _ 2
24 OFFICE BLDG, EGYPT Electrical

operation and maintenance manual; in accordance with

requirements of Division-1 and other relevant documentation.
1.5 QUALITY ASSURANCE

1.5.1 Manufacturer Qualifications: Manufacturing firms of TV system shall

be regularly engaged in manufacturing Television Distribution
Systems of type, size and characteristics similar to those required
by the Contract for
this project and whose products have been in satisfactory service in
similar projects for not less than five (5) years.

1.5.2 Installer Qualifications: Engage an experienced installer who is a

factory- authorized sales and service representative to perform
the work of this section. The installer firm shall have at least five (5)
years of successful installation experience of systems similar to that
required for this project.

1.5.3 Training: Equipment’s manufacturer and his authorized, local

representative shall provide, in depth, equipment service and
programming on site training to selected Employer’s personnel for
two weeks.

1.6 DELIVERY, STORAGE AND HANDLING

Deliver products in factory original, unopened containers. Store in

clean, dry and shaded space in original containers. Handle carefully to
avoid damage.

1.7 RELATED SECTIONS

The following sections include requirements, which relate to this

section:

16050 Basic Electrical Materials and

Methods
16060 Grounding and
Bonding
16300 Raceways, boxes and
Cabinets
16120 Wires and
Cables
16139 Cable Trays
16195 Electrical
Identification

1.8 AS-BUILT DRAWINGS

Section 280533 _ 3
24 OFFICE BLDG, EGYPT Electrical

During the construction of the system, the Contractor shall put in

writing all his remarks, during the progress of work, concerning
any suggested alterations from the shop drawings in wiring routes,
locations of equipment or devices which arise from coordination
between the system and other activities.

No execution of alterations is allowed before receiving written

approval from the Engineer.

All alterations shall be registered and filled by the Contractors and

extra copies shall be submitted to the involved parties (Engineer,
Project manager, Site, etc.).

A complete as-built draft set of drawings and equipment schedules

shall be prepared 15 days after completion of work for approval of the
Engineer. The draft as built shall include all previously approved
alterations.
Final originals and copies of as-built drawings should be submitted in
accordance with Division-1, Section 01330 "Submittals Procedures".

1.9 SPARE PARTS

The system shall have the following spare parts:

- No. of 2 IF/RF Outlets

- No. of 1 Power supply for IF-RF multi-switch
- No. of 1 IF-RF multi-switch

PART 2 PRODUCTS

Section 280533 _ 4
24 OFFICE BLDG, EGYPT Electrical

2.1 GENERAL

Provide complete and fully functional Main Television Distribution

System using materials and equipment of types, sizes, ratings and
performance as indicated.

The Main Antenna Distribution System shall be Sat. IF and VHF/UHF

distribution system. Received signals shall be amplified, switched
and distributed to TV boxes contains IF\RF switches in Tenant areas (At 2
risers )and outlets in core area (At 3rd riser)as indicated in drawings .

The internal network may include amplifier switches, Passive switches,

coaxial low loss cables, distribution cables, , splitters, connectors etc…

The system shall be for core and shell project, Tenant shall provide
outlets and cabling from the switch to the required locations inside his
area, If it is required to provide other switches tenant shall provide it

2.2 EQUIPMENT AND MATERIALS

Use materials and equipment that comply with referenced standards

and manufacturer's standard design and construction in accordance
with published product information. Coordinate the features of
materials and equipment so they form an integrated system with
components and interconnections matched for optimum performance
of specified functions.

Provide equipment using all solid-state components fully rated

for continuous duty at the ratings indicated or specified for normal
operation on input power supplied at 230 V, 50 Hz.

All equipment and materials shall be designed to operate and provide

maximum continuous performance at temperature and humidity
at the project Site. Precautions shall be inherently provided in
equipment to protect them from reduction in performance or
damage in peak climatic conditions at peak continuous outputs.

The overall gain of the system shall provide suitable signal level
taking into
consideration loss in cables and accessories. Gain of amplifier should
be selected in complete coordination with the overall loss
figures of the composite network.

The system shall be basically a wide band master distribution system

which shall share common distribution equipment such as amplifiers
..etc
The Master Television Distribution System shall consist but is not
Section 280533 _ 5
24 OFFICE BLDG, EGYPT Electrical

limited to:

- VHF/UHF antenna ( elements

minimum)
- Satellite dish antennas 1.8
m
- IF/RF Splitters
- IF/RF multi-
switches
- Low loss coaxial
cables
-
Connector
s
- IF/RF outlets

Receiving Dishes: Group of receiving dishes three (3) shall be used.

Every dish may have more than one LNB to receive the broadcasted
TV channels from more than one satellite. The dishes shall be coming
with fixing base, LNBs and all other required accessories. The dishes
shall be able to receive the digital TV channels. The dishes shall be 1.8
m diameter. The dishes and its fixation shall be strong enough to face
the wind load. The gain of the dishes should be adequate to achieve a
clear reception.

LNB: the provided LNB shall have four outputs horizontal and
vertical, (Hi
& Lo). The LNB shall have the following
specifications:

No. of outputs: 4 outputs (Quad

outputs) Sat. input frequency: 9.75 –
12.75 GHz
Output frequency: 950 – 2150
MHz
Gain: min. 55 dB
Noise factor: min. 1.5 dB
Switching technique: V/H 14/18 VDC
H/Lo 0/22 KHz

Section 280533 _ 6
24 OFFICE BLDG, EGYPT Electrical

VHF/UHF Multi-band Antenna

Elements VHF/UHF (3/16)

VHF UHF
Reception Range/Channels E5-12 21-69
L05-10
174-230 MHZ 470-862
MHZ
Maximum Gain – dB 5 10
Back/Front Ratio - dB 22 220
Half Power Beam Horizontal 49º 38º
Cable Connection 75/300 Ohm

Splitters:

The splitters must be selected carefully to form an equalized network

within the IF-RF frequency ranges with max loss 5 dB and isolation
>20dB .

IF-RF multi-switches:

- Provide factory-assembled, wide band IF-RF multi-switches cascaded

Active with loop through ,passive with loop through and stand alone.
- The following are the minimum performance specifications:

• Input/Output capacity: Cascaded to cover the required inputs

and outputs with expandability
• No. of inputs/Outputs: 9(1RF+8IF)/8 subscriber output for tenant
9(1RF+8IF)/8 subscriber output for
tenant
• No. of loop through 8 except for stand alone switch is 0
• Sat. Input Frequency: 950 – 2400 MHZ
• Terrestrial frequency range 5-862 MHZ
• Input Thru Loss Max. 3.5 dB
• Input isolation > 30 dB
• Sat. Output Frequency: 5 – 2400 MHZ
• Output attenuation 15-20 dB
• Control signal DisEqc 2.0

Low Loss Coaxial Cable:

- Shall be used for risers, distribution boxes and RF wall outlets.

Section 280533 _ 7
24 OFFICE BLDG, EGYPT Electrical

- Cable shall consist of a center conductor in a solid dielectric

completely enclosed by a metallic covering, which shall be flexible
copper braid.
- An insulating jacket shall be molded over the entire line as a
protective outside coating.
- The line is relatively immune to stray pickup because the
outer conductor acts as a grounded shield.
- The coaxial line shall be unbalanced with the inner conductor
supplying antenna signal and the outer conductor connected to
equipment chassis.

- The coaxial line generally, shall have a characteristic impedance

of 75 ohms.
- The cable shall have characteristics better than (RG 11)
- Cables from IF-RF multi-switches to IF/RF outlets shall have
characteristics better than (RG 6)

Connectors:

Shall be F type with sizes suit the cables types (low loss cables
and distribution cables).

IF/RF Outlets:

TV Outlets: Shall be end type and shall have IF frequency range 950-
2150 MHz and RF frequency range 5-862 MHz and maximum dB loss 2 dB
at 2150 MHz. It should support DC return path.

Grounding:

To prevent accumulation of static charge on antenna supporting

structure, it shall be grounded by connecting a heavy ground wire to
the system earth (metal stake driven into the earth). Grounding of
the mast is also essential.

- Accessories: The cable networks shall include all necessary

accessories.

• All accessories shall operate at the system frequency range,

which covers the required band of frequencies.
• Accessories shall have the minimum gain loss and shall
provide sufficient isolation on return loss characteristics.

Section 280533 _ 8
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 EXAMINATION

Examine areas and conditions under which Television Distribution

System shall be installed. Do not proceed with work until
unsatisfactory conditions have been corrected in a manner acceptable
to the Engineer.

3.2 INSTALLATION OF BASIC IDENTIFICATION

Install electrical identification in accordance with requirements of Section
16050 "Basic Electrical Materials and Methods".

3.3 INSTALLATION OF BASIC WIRING SYSTEM MATERIALS

Install wiring, raceways or conduits electrical boxes, cables and
fittings in accordance with Section 16050 "Basic Electrical Materials
and Methods"

clauses: "Raceways", "Wires and Cables" and "Electrical Boxes and

Fittings" for wiring of the non-power limited circuits and Sections related
to "Cable Networks".
Install wiring of signal circuits and power limited circuit in raceways or
conduit or exposed on wall or ceilings when properly protected.

Install cables using special stripping tools which do not harm shields
and insulators. Use special gripping tools and do not use solder type
fittings and connectors.

3.4 INSTALLATION OF TELEVISION DISTRIBUTION SYSTEM

Installation of equipment and devices that pertain to other work
of the
Contract shall be closely coordinated with the appropriate
trade.

Equipment manufacturer shall provide all necessary assistance to his

authorized, local representative to:

- Coordinate the selection of system

equipment.
- Execute field strength tests for all frequency bands to be received
by the system (VHF, UHF, Ku, etc.).
- Supervise the installation of complete Television Distribution
System.
- Perform complete functional tests of the system at all outlets
including signal strength, reflection coefficient, etc.
Section 280533 _ 9
24 OFFICE BLDG, EGYPT Electrical

- Submit a written report attesting the proper operation of the

completed system.

Install Television Distribution System as indicated on Drawings in

accordance with equipment manufacturer's written instructions and
comply with the standards of installation.

Complete wiring in accordance with manufacturer's requirements.

Color code wiring and install per manufacturer's point-to-point wiring
diagram. Determine exact number of wires for each device installed.
Connect each device with sufficient wiring to complete its intended
operation.

Where there is a number of power requiring devices, provide extra or

larger size wiring to alleviate voltage drops which makes device
operate beyond voltage limits for which it was
designed. Determine above with manufacturer's
representative while equipment is being installed.

Submit a signed copy of test results in duplicate to the

Engineer. Cable bearers shall be installed on walls

wherever needed.

Wall mounted equipment shall be installed according to the

manufacturer
recommendations.

3.5 FIELD QUALITY CONTROL

3.5.1 Connection and Supervision: Make connections to equipment panel

under manufacturer's supervision. Complete connections between
cabinets and panels utilizing Manufacturer's technicians.

3.5.2 System Test and Approval: Submit shop drawings for function
and operation only, pre-approved by the Engineer.

Prior to final acceptance of the system, the manufacturer of system

shall, in presence of the Contractor, Employer's representative and
Engineer's representative, test each extension device.

END OF SECTION 16785

Section 280533 _ 10
24 OFFICE BLDG, EGYPT Electrical

section 282300 -video surveillance

PART 1 – General

1.1 Description

A. Provide and install a complete Video Surveillance System, which is identified as the
Video Assessment and Surveillance System hereinafter referred to as the VASS
System as specified in this section.

B. The system shall be conformant to ONVIF Profile S and support open standards-based
architecture best practices with published API available to third-party network video
recording and management systems.

C. This Section includes video surveillance system consisting of cameras, data

transmission wiring, and a control station with its associated equipment.

D. Video assessment & surveillance system shall be integrated with intrusion detection
and physical access control systems.

1.2 Related Work

A. Requirements for electrical installations.

B. Grounding and bonding.

C. Conduits and back boxes.

D. Physical access control system.

E. Intrusion detection system (ids).

1.3 Definitions

1. AGC - Automatic Gain Control

2. API – Applications Programming Interface

3. ARP – Address Resolution Protocol

4. AWB - Automatic White Balance

5. BLC – Back Light Compensation

Section 282300 _ 1
24 OFFICE BLDG, EGYPT Electrical

6. B/W- Black and white

7. CBR – Constant Bit Rate

8. CVBR – Constant and Variable Bit Rate

9. CCD: Charge-coupled device.

10. CIF: Common Intermediate Format CIF images are 352 pixels wide and 88/240
(PAL/NTSC) pixels tall (352 x 288/240)

11. 4CIF: resolution is 704 pixels wide and 576/480 (PAL/NTSC) pixels tall (704 x 576/480)

12. DHCP - Dynamic Host Configuration Protocol

13. DNR – Digital Noise Reduction

14. DNS - Domain Name Server

15. EAP – Extensible Authentication Protocol

16. fps - frames per second

17. FTP - File Transfer Protocol

18. GUI – Graphical User Interface

19. HTTP - Hypertext Transfer Protocol

20. HTTPS – Secure Hypertext Transfer Protocol

21. H.264 (also known as MPEG4 Part 10)- an encoding format that compresses video
much more effectively than older (MPEG4) standards

22. ICMP – Internet Control Message Protocol

23. IGMP - Internet Group Management Protocol

24. IP - Internet Protocol

25. JPEG - Joint Photographic Experts Group

26. LDAP – Lightweight Directory Access Protocol

Section 282300 _ 2
24 OFFICE BLDG, EGYPT Electrical

27. MJPEG - Motion JPEG

28. MPEG - Moving Pictures Experts Group

29. MPEG4: a video encoding and compression standard that uses inter-frame encoding
to significantly reduce the size of the video stream being transmitted

30. NTSC: National Television System Committee

31. NTP - Network Time Protocol

32. PoE - Power over Ethernet

33. PPPoE - Point-to-Point Protocol over Ethernet

34. QoS – Quality of Service

35. RTP - Real-Time Transport Protocol

36. RTSP - Real-Time Streaming Protocol

37. SMTP - Simple Mail Transfer Protocol

38. SNMP – Simple Network Management Protocol

39. SSH – Secure Shell

40. SSL – Secure Sockets Layer

41. TCP - Transmission Control Protocol

42. UDP - User Datagram Protocol

43. UPnP – Universal Plug and Play

44. VBR – Variable Bit Rate

45. WDR – Wide Dynamic Range

46. VMS - Video Management System

47. WDR – Wide Dynamic Range

Section 282300 _ 3
24 OFFICE BLDG, EGYPT Electrical

48. UPS- Uninterruptible power supply.

49. PTZ- refers to a movable camera that has the ability to pan left and right, tilt up and
down, and zoom or magnify a scene.

1.4 Quality Assurance

A. The Contractor shall be responsible for providing, installing, and the operation of the
VASS System as shown. The Contractor shall also provide certification as required.

B. The security system shall be installed and tested to ensure all components are fully
compatible as a system and can be integrated with all associated security
subsystems, whether the security system is stand-alone or a part of a complete
Information Technology (IT) computer network.

C. The Contractor or security sub-contractor shall be a licensed security Contractor as

required within the state or jurisdiction of where the installation work is being
conducted.

D. Manufacturers Qualifications: The manufacturer shall regularly and presently

produce, as one of the manufacturer's principal products, the equipment and
material specified for this project, and shall have manufactured the item for at least
10 years.

E. Product Qualification:

1. Manufacturer's product shall have been in satisfactory operation, on three

installations of similar size and type as this project, for approximately five years.

2. The owner reserves the right to require the Contractor to submit a list of
installations where the products have been in operation before approval.

Section 282300 _ 4
24 OFFICE BLDG, EGYPT Electrical

F. Contractor Qualification:
1. The Contractor or security sub-contractor shall be a licensed security Contractor
with a minimum of Three (3) years’ experience installing and servicing systems of
similar scope and complexity. The Contractor shall be an authorized regional
representative of the Video Assessment and Surveillance System’s (VASS)
manufacturer. The Contractor shall provide three (3) current references from
clients with systems of similar scope and complexity which became operational in
the past Three (3) years. At least Two (2) of the references shall be utilizing the
same system components, in a similar configuration as the proposed system. The
references must include a current point of contact, company or agency name,
address, telephone number, complete system description, date of completion,
and approximate cost of the project. The owner reserves the option to visit the
reference sites, with the site owner’s permission and representative, to verify the
quality of installation and the references’ level of satisfaction with the system.
The Contractor shall provide copies of system manufacturer certification for all
technicians.

The Contractor shall only utilize factory-trained technicians to install, program,

and service the VASS. The Contractor shall only utilize factory-trained technicians
to install, terminate and service cameras, control, and recording equipment. The
technicians shall have a minimum of Three (3) continuous years of technical
experience in electronic security systems. The Contractor shall have a local
service facility. The facility shall be located within 60 miles of the project site.
The local facility shall include sufficient spare parts inventory to support the
service requirements associated with this contract. The facility shall also include
appropriate diagnostic equipment to perform diagnostic procedures.

G. Service Qualifications: There shall be a permanent service organization maintained or

trained by the manufacturer which will render satisfactory service to this installation
within // four // eight // hours of receipt of notification that service is needed.
Submit name and address of service organizations.

Section 282300 _ 5
24 OFFICE BLDG, EGYPT Electrical

1.5 Submittals

A. Submit the necessary complete sets of documentation indicating models, type, Qty.,
country of origin, catalog number, manufacturer's names, photographs and/or
catalog data sheets for all items to ensure compliance with Specifications. This
documentation shall be subject to the approval from the Engineer and no equipment
shall be ordered without his approval for all equipment and devices, which are
shown on approved drawings, SLD and in Bill of Quantities.

B. Submit Samples for approval.

C. Submit compliance sheet for approval.

D. Submit Manufacturer’s installation and operation manuals

E. Submit Warranty documentation

F. Submit shop drawings and as-built drawings in both electronic format and on paper,
minimum size A1. Shop drawings and as-built packages shall include, but not be
limited to:

1. Index Sheet that shall:

a. Define each page to include facility name, building name, floor, and sheet
number.

2. Floor plans, site plans, and enlarged plans shall:

b. Define the drawings scale in both standard and metric measurements.

c. Provide device identification and location.

d. Address all signal and power conduit runs and sizes.

e. Identify all pull box and conduit locations, sizes, and fill capacities.

3. A riser drawing that indicate:

a. Relationship of integrated components on one diagram.

Section 282300 _ 6
24 OFFICE BLDG, EGYPT Electrical

b. The number, size, identification, and maximum lengths of interconnecting

wires.

c. Wire/cable types.

4. A schedule for all of the applicable security subsystems shall be included. To

provide the following information:

a. Device ID, camera type (e.g. fixed or pan/tilt/zoom (P/T/Z), lens type (e.g. for
fixed cameras only) and housing model number.

b. Mounting type (e.g. flush, wall, surface, etc.).

1.6 Applicable Publications

Equipment and installations shall comply with the latest revision of the following codes
and standards:

A. American National Standards Institute (ANSI)/Electronic Industries Alliance (EIA):

330-09 ................................ Electrical Performance Standards for CCTV Cameras

375A-76 .............................. Electrical Performance Standards for CCTV Monitors

B. Institute of Electrical and Electronics Engineers (IEEE):

C62.41-02 ........................... IEEE Recommended Practice on Surge Voltages in Low-

Voltage AC Power Circuits

802.3af-08 .......................... Power over Ethernet Standard

C. National Electrical Contractors Association (NECA):

303-2005 ............................ Installing Closed Circuit Television (CCTV) Systems

D. National Fire Protection Association (NFPA):

70-08 .................................. Article 780-National Electrical Code

E. Underwriters Laboratories, Inc. (UL):

983-06 ................................ Standard for Surveillance Camera Units

Section 282300 _ 7
24 OFFICE BLDG, EGYPT Electrical

3044-01 .............................. Standard for Surveillance Closed Circuit Television

Equipment

1.7 Coordination

A. Coordinate arrangement, mounting, and support of video surveillance equipment:

1. To allow maximum possible headroom unless specific mounting heights that

reduce headroom are indicated.

2. To provide for ease of disconnecting the equipment with minimum interference

to other installations.

3. To allow right of way for piping and conduit installed at required slope.

4. So connecting raceways, cables, wire ways, cable trays, and bus ways will be clear
of obstructions and of the working and access space of other equipment.

B. Coordinate installation of required supporting devices and set sleeves in cast-in-place

concrete, masonry walls, and other structural components as they are constructed.

C. Coordinate location of access panels and doors for video surveillance items that are
behind finished surfaces or otherwise concealed.

1.8 Warranty of Construction

A. Manufacturer shall provide a limited 2-year warranty for the product to be free of
defects in material and workmanship.

B. Demonstration and training shall be performed prior to system acceptance.

1.9 Delivery, Storage and Handling

A. Deliver the products in the manufacturer’s original, unopened, undamaged container

with identification labels intact.

B. Store the products in a temperature environment protected from mechanical and

environmental conditions as designated by the manufacturer.

Section 282300 _ 8
24 OFFICE BLDG, EGYPT Electrical

PART 2 – PRODUCTS

2.1 General

A. approved manufactures:

- Honey Well

- Pelco by Schneider

- American dynamic

B. System Operation

▪ The IP camera system shall display live color video pictures for security and
operations surveillance in areas indicated in drawings.

▪ Each sixteen (16) cameras shall be displayed on a monitor through the network
video recorder to have all cameras monitored continuously.

▪ The operator shall also has the facility to record scenes from any camera for
periods up to 24 hours per day for 90 days except otherwise noted in BOQ, and
shall retrieve recordings of any past time using time search technique. It is also
possible to select specific camera at specific time to be displayed on the close
monitoring screen.

▪ The operator shall have the facility to select, observe, control and record any of
the working cameras.

▪ All indoor and outdoor cameras shall be equipped with IR, back light
compensation (BLC), automatic bright light limiter and light intensity control (CCD
auto-iris or CCD with auto iris-lens).

▪ Lens shall be selected varifocal and auto iris to provide the required field of vision
according to location as indicated on the Drawings.

▪ The Contractor is responsible for selecting the suitable bracket and final fixing
location and adjusts the lens variables for best results.

Section 282300 _ 9
24 OFFICE BLDG, EGYPT Electrical

▪ Monitoring stations of the system shall be supplied from the project secured
source to ensure uninterrupted operation in case of supply failure.

▪ All system components shall comply or exceed the central bank of Egypt
recommended specifications.

2.2 Equipment and Materials:

2.2.1 Cameras:

A. Fixed Dome IP Cameras (indoor areas):

▪ Provide Network camera offer two simultaneous video streams, auto iris,
varifocal lens capabilities, 50 Hz, indoor/outdoor use , P.O.E operated, with IR,
day/night, and equipped with lens mount.

▪ All cameras must be supplied with all fixing accessories, poles, brackets and
related accessories from the same manufacture unless otherwise approved as an
alternative during the bidding stage.

The cameras shall have the following minimum Features:

- 2.0 megapixel (MPx) resolution, 1920 x 1080minimum

- Up to 30 images per second (IPS)

- Autofocus motorized remote zoom lens

- Operating temperature up to 55°C (131°F)

- Up to 128 GB edge storage with Micro SD card

- Power over Ethernet (PoE+) Class 4, 24 VAC

- Smart Compression Technology

- vandal resistant to IK10

- ONVIF Profile S and G

- Wide Dynamic Range 120 dB minimum

- Minimum Illumination 0.00 lux IR on

Section 282300 _ 10
24 OFFICE BLDG, EGYPT Electrical

- IR Illumination Adaptive IR up to 25 m minimum; auto ON in night mode, or off

- Signal to Noise Ratio ≥50 dB

- Analytics : Simple Motion Detection/ Camera Sabotage

Audio

- Streaming Bi-directional

- Input Line in and out

- Encoding G.711 A-law/G.711 U-law

Network

- Connectivity: 100 BASE-TX Ethernet with RJ-45 connector

Recommended Lenses

- Lens Type Built-in; varifocal

- Focal Length f/1.3, 3 ~ 9 mm

- Focus Autofocus, motorized

- Zoom Remote

- Auto Iris Type DC drive lens

Camera housing:

The camera shall be housed in an enclosure suits the size of the camera including the
lenses and shall be vandal resistant.

B. Fixed Dome IP Cameras (façade/outdoor areas):

▪ Provide Network camera offer two simultaneous video streams, auto iris,
varifocal lens capabilities, 50 Hz, indoor/outdoor use , P.O.E operated, with IR,
day/night, and equipped with lens mount.

Section 282300 _ 11
24 OFFICE BLDG, EGYPT Electrical

▪ All cameras must be supplied with all fixing accessories, poles, brackets and
related accessories from the same manufacture unless otherwise approved as an
alternative during the bidding stage.

The cameras shall have the following minimum Features:

- 3.0 megapixel (MPx) resolution, 2048 x 1536minimum

- Up to 30 images per second (IPS)

- Autofocus motorized remote zoom lens

- Operating temperature up to 55°C (131°F)

- Up to 128 GB edge storage with Micro SD card

- Motion detection and camera sabotage detection

- Power over Ethernet (PoE+) Class 4, 24 VAC

- Smart Compression Technology

- vandal resistant to IK10

- ONVIF Profile S and Profile G

- Wide Dynamic Range 120 dB minimum

- Minimum Illumination 0.00 lux IR on

- IR Illumination Adaptive IR up to 25 m minimum; auto ON in night mode, or off

- Signal to Noise Ratio ≥50 dB

- Analytics : Simple Motion Detection/ Camera Sabotage

- IP66 Ingress Protection

Audio

- Streaming Bi-directional

- Input Line in and out

Section 282300 _ 12
24 OFFICE BLDG, EGYPT Electrical

- Encoding G.711 A-law/G.711 U-law

Network

- Connectivity: 100 BASE-TX Ethernet with RJ-45 connector

Recommended Lenses

- Lens Type Built-in; varifocal

- Focal Length f/1.3, 3 ~ 9 mm

- Focus Autofocus, motorized

- Zoom Remote

- Auto Iris Type DC drive lens

Camera housing:

The camera shall be housed in an enclosure suits the size of the camera including the
lenses and shall be vandal resistant.

C. Outdoor, High Speed PTZ Camera (outdoor if any):

▪ Provide Network PTZ – IR outdoor camera can see in absolute darkness. With
infrared illumination (IR) has proportional brightness based upon zoom, creating
visible pictures without any light, PTZ-Camera should be a high-speed PTZ, 30x,
full HD, and WDR

▪ All cameras must be supplied with all fixing accessories, poles, brackets, heaters
and related accessories from the same manufacture unless otherwise approved
as an alternative during the bidding stage.

The cameras shall have the following minimum Features:

- 2.0 megapixel (MPx) resolution, 1920 x 1080minimum

- Up to three simultaneous streams

- Day/night operation with IR cut filter

Section 282300 _ 13
24 OFFICE BLDG, EGYPT Electrical

- 12 x digital zoom, 30X optical zoom

- Variable speed/high speed pan/tilt drive unit with continuous 360° pan rotation up
to 300°/sec (maximum pan speed) and up to 145°/sec (maximum tilt speed)

- H.264, H.265, and MJPEG compression

- Automatic gain Control: 45 dB maximum

- Wide Dynamic Range (WDR): 100 dB minimum

- IR Illumination Adaptive IR up to 150 m minimum

- Camera Sabotage and Motion analytics behaviors

- H.264 Smart Compression.

- PoE+ and 4PPoE capable

- Multicast or unicast capable with unlimited H.264 viewers

- Unicast capable with up to 5 simultaneous viewers

- Local storage via Micro SDHC/SDXC card up to 2TB

- Audio input and output

- Alarm input and output

- IP66 rated housing

Audio

- Input/output: Line level/external microphone input; 1 V p-p maximum signal

level

- Streaming: Embedded audio

Network

- Connectivity: 100 BASE-TX Ethernet with RJ-45 connector

Recommended Lenses

Section 282300 _ 14
24 OFFICE BLDG, EGYPT Electrical

- Lens F1.6 – F4.7

- Focal length 4.3 mm (wide) ~ 129.0 mm (tele.)

- Horizontal Angle of View 58.9o (wide) – 2.11o (tele.)

Camera housing:

The camera shall be housed in an enclosure suits the size of the camera including the
lenses and shall be vandal resistant .the housing shall be fence mounted fixed dome
to achieve camera hiding

D. Full High-Definition LED Monitors:

▪ Provide Full High-Definition LED Monitors wall/desktop mount 32-inch, 43-inch,

50-inch, and 55-inch monitors as per required in project BOQ.

The monitor shall have the following minimum Features:

- Full High Definition 1920 x 1080 Resolution at 60 Hz

- HDMI Digital Plus VGA, BNC Analog Inputs

- OSD Menu Selection of 16:9 Widescreen or 4:3 SD Aspect Ratio

- Bright LED Illuminated Panel with Ultra Wide (178°) Viewing Angle

- Built-in Stereo Speakers (8-inch x 2-inch) and Audio Amplifier

- Standard 400 x 200 mm VESA Mounting

- Power Cord and VGA Cables Included

- Auto-on when VGA or HDMI DVR/NVR Video is Detected

- On-Screen Display (OSD) Languages: English, Spanish, German, French, Italian, and
Chinese (simplified)

- Backlight Type: LED

- Refresh Rate : 60, 70, 75 Hz (depending on resolution)

Section 282300 _ 15
24 OFFICE BLDG, EGYPT Electrical

- Viewing Angle (H/V) :178°/178°

- Response Time 6.5 ms

- Video Formats 480p, 1080i, 1080p

- Panel Life 40,000 hours

- Display Colors 16.7 million

- Front Panel Controls Power, left/right, up/down, menu, input

- Indicators LED (power on/off)

E. IP video management system (VMS/NVR) main storage 90days:

General Description

▪ The Video Management System (VMS) shall be video management and

surveillance system consisting of two primary components, as follows:

1. An IP video management system. This application shall:

a. Maintain the database of cameras and recording devices and to provide a

web-based administrative portal to manage the video surveillance system

b. Route video traffic to users as requested and appropriate

c. Record and store video from resources on the network.

2. A client presentation application to allow users to view and manage live and
recorded video.

▪ The Video Management System (VMS) shall consisting a single server performing
the following functions:

1. Allow users to define users and assign sets of permissions (known as roles) to
each user.

2. Record and store video per user-defined retention settings for up to 64

cameras per server

Section 282300 _ 16
24 OFFICE BLDG, EGYPT Electrical

3. Serve live and recorded video to clients on demand

▪ The IP video management system shall capable to record video and audio streams
from IP cameras and video encoders on the network.

1. Video: MPEG4, MJPEG, or H.264 in High, Main, or Base Profile streams from
both standard resolution and megapixel cameras

2. Audio: Bidirectional, full or half duplex compressed via G.711 PCM 8 bit, 8 kHz
mono at 64 kbit/s.

▪ The system shall support recording schedules, including the ability to record
based on motion, analytic, and alarm events.

▪ The IP video management system shall be capable of continuous scheduled

alarm/event and motion recording. Pre- and post- alarm recording shall also be
available and shall be fully programmable on a per channel basis.

▪ The IP video management system shall have the ability to record and playback
audio streams along with associated video.

▪ The IP Video Management System shall support recording of primary or

secondary streams, individually or simultaneously. The server application can be
configured to record a stream in unicast or multicast.

▪ The IP Video Management System shall support video bookmarking, such that
users can identify and recall important moments in recorded video based on the
bookmark name or notes that are associated with it.

▪ The IP video management system shall allow the administrator to set minimum
and maximum retention periods for recorded video.

▪ The IP video management system shall support network health and monitoring
utilizing third-party SNMP monitoring tools.

▪ The IP video management system shall indicate system performance and

operation status utilizing a variety of reports.

▪ The system shall be configurable remotely or over a network.

Section 282300 _ 17
24 OFFICE BLDG, EGYPT Electrical

▪ The system shall discover third-party cameras on the network.

▪ The system shall allow users to manually add cameras and devices by IP address.

▪ The system shall allow users with sufficient rights to control cameras (pan, tilt,
and/or zoom).

▪ The system shall support aggregation by a higher-level system, tying multiple

servers together in a single, unified environment.

▪ The system shall support third-party cameras using ONVIF profiles S or native
drivers.

▪ The IP VMS shall support Lightweight Directory Access Protocol (LDAP) to

authenticate users.

▪ The IP video management system shall allow archival of video data to external
network locations or NAS devices over a network connection. The archival
schedule shall be either automatic at user-defined intervals or manually
executed.

▪ The system shall allow users to export video on request; exported video shall be
stored locally on the server or on another network location selected by the
administrator.

▪ The system shall support aggregation by a higher-level environment, allowing the

IP video management system to belong to a confederation of servers.

▪ The VMS shall be accessible via a web browser with no software installed for live
and playback functionality.

The VMS shall have the following minimum Features:

▪ Up to 400 Mbps throughput per recorder

▪ Simple setup / IT-Friendly — designed for Unicast or multicast environments

using Microsoft® Windows® for easy configuration and maintenance

▪ Available in different hardware configurations to support the needs of different

sites

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▪ Includes Toolbox for simple configuration of one or more servers

▪ Motion Pixel Search for server side motion detection and quick retrieval of events

▪ 4k/H.264 and H.265 support

▪ Support web based client allows viewing and exporting video without installing
any software

▪ Supports aggregation for centralized control room.

▪ Supports ONVIF Profile S compliant 3rd-party cameras and devices

▪ Investigation mode enables operators to synchronize video playback and export

investigative playlists covering scenes of interest

▪ Monitor multiple VMS sites with a single client.

▪ Supports shared displays so operators can send video to surveillance personnel

who need it most

➢ Specifications / Minimum System Requirements for VMS :

1. Capacity : support Up to 96 channel

2. Camera license: as Mentioned in BOQ

3. Throughput: support Up to 400 Mbps

4. Processor: Intel Xeon E3-1230 v5

5. Operating System: Microsoft Windows 10 Enterprise 64-bit

6. RAM: 16 GB DDR4

7. OS Drive: SSD 120 GB

8. storage: Up to 96 TB (7200RPM)

a. RAID Level: RAID5 / RAID6 / JBOD

9. Storage Capacity Subject to storage calculations

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10. Optical Drive : DVD±RW

11. USB Ports:

a. USB 2.0: 1x Front; 4x Rear

b. USB 3.0: 1x Front; 2x Rear

12. Networking: 2x Gigabit Ethernet (1000Base-T) Ports

F. 16 channel H.264 Network video encoders for analog cameras:

▪ The video encoder shall be standards-compliant and provide a fully supported API
that shall integrate with multiple video management systems.

▪ The video encoder shall support 1, 2, or 4 camera inputs.

▪ The 1- input in-line video encoder shall support Power over Ethernet (PoE),
802.3af. The 1-input extended temperature, 8-, and 16- rack video encoders shall
be powered by 12 VDC, 2.08 A. The 1- and 4-input rack video encoders shall be
powered by 12 VDC, 1.25A.

▪ The video encoders shall generate compressed MJPEG and H.264 video streams
in standards-compliant baseline profile, main profile, or high profile.

▪ The video encoder shall provide for two independently configurable streams for
each camera input. Each stream shall be capable of 4CIF resolution, 30 or 25
images per second (IPS), NTSC or PAL. The settings of one stream shall not
interfere or limit the settings for the second stream.

▪ The video encoder shall be capable of generating 4CIF resolution, real-time video
streams while also running intelligent video content analysis algorithms on each
camera input. There shall be no need to degrade video resolution or frame rate
to execute analytics algorithms.

▪ The video encoder shall support daisy chaining up to 4 encoders together to

minimize the number of network ports utilized on a switch.

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▪ The video encoder shall provide for 1 line level audio input per video input. The
1- and 2-input encoders shall also provide for a single, line level audio output.

▪ The 1-input extended temperature and rack video encoders shall provide for 1
alarm input per camera input. The -4,-8, and -16 input video encoders shall
provide -4, -8, and -16 alarm input per camera input. The 1-input extended and
rack video encoders shall provide a single relay output per unit. The -4, -8, and -
16 video encoders shall provide -1, -2, and -4 single relay output per unit.

▪ The 1- and 2-input encoders shall support looping video outputs with software-
controlled termination.

▪ The video encoders shall support PTZ cameras .

▪ The video encoders shall be conformant to ONVIF Profile S and support open
standards-based architecture best practices with published API available to third-
party network video recording and management systems.

▪ The video encoder shall use a standard web browser interface for remote
administration and configuration of encoder and camera settings.

▪ The video encoder shall provide analytic capabilities.

The Encoder shall have the following minimum Features:

- Open Standards-Based Architecture

- MJPEG and H.264 Baseline, Main, or High Profile Compression
- Dual-Stream at up to D1; 30/25 Images per Second (ips) per Stream
- Integrated Coaxitron® and Pelco D and Pelco P PTZ Protocols
- Support for Power over Ethernet (PoE) in the In-Line Model
- 1-, 4-, 8-, and 16-Channel Models (Rack Mount Chassis)
- 1-Channel In-Line or Extended Temperature Models
- ONVIF Profile-S Conformant
- Video Resolutions NTSC PAL
D1 720 x 480 720 x 576
4CIF 704 x 480 704 x 576
2CIF 704 x 240 704 x 288
CIF 352 x 240 352 x 288

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G. Client Application:

A. The Client application shall be Windows-based, providing an environment from

which authorized users can watch live and recorded video on a computer in
which the application has been installed.

B. The Client application shall be web-based, providing an environment from which

authorized users can watch live and recorded video on a computer in which the
application has not been installed.

C. The Client shall be comprised of a main Mission Control panel, which may be
hidden, working in unison with a series of windows (workspaces), each providing
a tab based experience.

D. The Client application shall be capable of being setup as either unicast or

multicast.

E. The Client application shall be able to connect with multi-server access (MSA).

F. Workspaces and Tabs

1. The Client interface shall be based upon workspaces and tabs.

a. A tab shall be a configurable layout populated with sources of content and

plug-ins contained in cells.

b. A collection of one or more tabs shall constitute a workspace.

c. The Client shall allow configuration and recall of complete workspaces.

1) An operator with appropriate permissions shall be able to send a saved

workspace to other clients, causing their system to launch the saved
workspace.

d. Any layout of video can be saved as tab to be later recalled by an operator.

1) An operator with appropriate permissions shall be able to send a saved

tab to other clients, causing their system to launch the saved tab.

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e. Cells shall have the capability for system management, live view, playback
search options, and lockable bookmarks.

f. Remote Tab Push: an operator with appropriate permissions can choose to

send a saved tab to one or more operators’ clients, causing their system to
launch the saved tab.

g. Collaborative Tabs: an operator with appropriate permissions can view a

designated collaborative tab so that multiple operators at different
stations can see the exact same content and can make changes to live and
playback video on this tab that other operators can see in real time.

h. Shared Display Decoder: Client shall be capable of being designated as an

independent Shared Display mode. In this mode:

1) The client will restart automatically if the machine reboots.

2) The client will log in with the Shared display account automatically.

3) The client will restore the last tab and content that was displayed prior
to shut down.

4) The client will accept stream and tab pushes from any connected client
with permissions.

5) The client will be configurable to hide header and footer information,

as well as borders, so that only video is shown.

i. Cells can be configured to show video without borders such that the video
is stretched to cover the available space on the screen without black
borders on any side.

j. Cells can be configured to rotate the video stream 90, 180, -90, or -180
degrees.

G. Live View and Playback

1. A list of video and audio sources which users are authorized to access shall be
displayed.

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2. Each video source shall indicate a list of current viewers to a user with
appropriate permissions.

3. The client computer shall be able to connect to an unlimited number of

recorders simultaneously to display live and recorded video.

4. The client shall allow video streams to be selectable from a system tree on an
individual camera, individual system, client defined local groups, or from pre-
defined recorder based groups.

5. The client shall playback audio associated with video sources for users with
the correct permissions.

6. Users shall be able to seamlessly switch between live and recorded video on
the fly.

7. Live View

a. For live view, all cells will be displayed at the highest quality possible,
based on the bandwidth and client hardware. The Client application will
use the primary stream from a video source as the default; if the
bandwidth or client hardware are approaching the limit, the video quality
of as many streams as necessary will then be streamed as secondary or at
MJPEG quality.

8. Pan Tilt Zoom (PTZ)

a. Digital Zoom - An operator shall be able to digitally zoom in a video stream

in live or playback mode.

b. Optical Zoom and Pan Tilt Control: Operators shall be able to use a mouse
or joystick to control PTZ cameras.

c. The Client application shall be able to perform digital de-warping of 180-,

270-, and 360-degree cameras, and should be able to save the de-warped
views for replay.

9. Playback

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a. The Client application shall enable simultaneous playback for up to nine (9)
synchronized cameras.

b. The Client application shall have the capability to playback non-

synchronized cameras at one time in different cells.

c. For viewing recorded video, cells 1/4 the size of the tab or larger shall
display full-frame rate video, and cells smaller than 1/4 the size of the tab
shall playback only I-Frames to conserve bandwidth and processing power.

d. When hovering over a recorded video time bar, an operator shall see a
thumbnail representing the contents of the video stream at that point in
time.

e. Available playback control functions:

1) date-time selection

2) synchronized playback of selected cells within a tab

3) play video at normal speed

4) pause video and advance one frame

5) pause video and rewind one frame

6) fast forward video at speeds up to 128x

7) rewind video at speeds up to 128x

8) rewinds video 30 seconds and initiates playback

9) forward video to live playback

10) take snapshot of the current frame

f. Hovering over a video playback cell with a mouse shall display the playback
control menu.

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10. The user shall be able to configure a rotating sequence of cameras, allowing
the application to cycle through cameras relevant to the operator without
intervention.

a. Using keyboard input alone, the operator can type a camera number, a
preset number, or a time (hhmm format) to jump to a selected camera. No
mouse input is necessary.

11. The user shall be able to configure a sequence of cameras that appear on
alarm, allowing the application to cycle cameras when an event or alarm
relevant to the user occurs.

12. The user shall be able to create a sequence of cameras by dragging and
dropping camera names in a single user interface.

H. Investigations

1. An investigation mode shall be available to provide a default 2 x 2 layout with

synchronized playback controls, allowing users to fully investigate a scene
from multiple angles.

a. The investigation mode shall open in a new tab.

2. The investigation mode shall enable definable searches for motion in recorded
video.

3. The investigation mode shall enable operators to synchronize video playback

and export investigative playlists covering scenes of interest in forward or
reverse at speeds up to 128 times normal playback.

4. Users shall be able to create playlists from multiple video clips encompassing
selected scenes from an investigation.

5. Operators shall be able to save a current investigation, preserving the

associated device list and any created clips for later recall.

a. Saved investigations shall be capable of being shared with other operators’

similar tabs.

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6. Operators shall be able to export individual video clips or entire playlists to

the management database application, storing clips relevant to their
investigation independent of the system’s network video storage for
evidentiary safe-keeping and quick access.

7. Investigation mode shall allow video clips from cameras of interest to be

clipped to shorter times to allow for smaller video exports.

8. Investigation mode shall be a built-in application, provided at no additional

cost.

9. Investigation mode shall have the ability to create up to ten (10) clips,
allowing views from multiple cameras to be selected in a single saved or
exported playlist.

I. Export

1. An operator shall be able to create and export a JPG snapshot image of the
current frame of video in a cell.

2. An operator shall be able to select encryption of exports prior to the export,

and the export shall be able protected by the user-entered password.

3. The Client application shall enable video export to any system-accessible

media including locally to HDD, CD/DVD, and Flash USB device or to network
storage.

a. Exported video shall be subject to check sum verification

J. Display

1. The Client application shall allow at least four (4) 1080p resolution streams
per monitor and support 60 fps camera streams per monitor.

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K. Events

1. The Client application shall an operator to respond to events.

2. Certain events shall be configurable for acknowledgement.

a. Acknowledgement options:

1) in process

2) acknowledged

3. Authorized operators shall have the ability to derive additional information

about an event from the server.

L. Plug-ins – The Client application shall support an open interface that facilitates
the creation and deployment of user interface plug-ins including, but not limited
to, mapping, video information overlays, access control, license plate recognition,
and video content analysis with the option to integrate other 3rd party
applications (such as advanced GIS Mapping Interfaces)..

1. Plug-ins can be created by 3rd party developers using a vendor-provided API

that is a RESTful open-standard architecture to communicate with the VMS
system.

2. Plug-ins shall be built using programming languages that can make HTTP
requests and parse JSON responses.

3. API clients shall interact with VMS using the HTTP methods of GET, POST,
PATCH, PUT, and DELETE.

M. System and Device Information

1. Information management

a. The Client application shall provide a mechanism to create and assign

metadata to devices.

b. A primary device list shall be apparent in the Client application, and

devices shall be assignable to folders.

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1) The device list shall be sortable by device name or device ID.

2) The device list shall be able to be filtered by the following terms:

a) simple text based filter, matching the device name or device ID

b) tag based filtering, showing devices matching the intersection of all

assigned tags

c) status based filtering, showing devices with a particular status

2. User Roles, as assigned by a System Administrator, shall define the limits of a

user’s ability to access live or recorded video and to export video and other
standard client operations.

a. Authorized users shall be able to share views, including window

arrangements and camera selections, with other users, for purposes of
collaboration.

3. When using a mouse to hover over a device in a listing, a popup shall appear
with the following information:

a. Device state

b. Device name

c. Device ID

d. Thumbnail image

e. Associated tags

f. IP Address

N. Client Specifications

1. Processor: Intel Core i7-6700

2. Operating System: Microsoft Windows 10 Enterprise 64-bit

3. RAM: 8 GB

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4. OS Drive: m.2 256 GB

5. Video

a. Outputs:

1) Display Port (2)

2) HDMI

6. USB Ports:

a. USB 2.0: 2x Front; 4x Rear

b. USB 3.0: 2x Front; 4x Rear

7. Networking: 1x Gigabit Ethernet (1000Base-T) Ports

a. Throughput

8. Dimensions: 36 x 17.5 x 43.5 cm (14.17 x 6.89 x 17.12 in)

H. 3D Mouse Controller (if any)

A. The 3D Mouse must be compatible with all distributed, network video

management components.

B. Patented six-degrees-of-freedom (6DoF) sensor – Intuitively and precisely

navigate digital models or camera positions in 3D space.

C. Advanced ergonomic design – The full-size, soft-coated hand rest positions the
hand comfortably, and 15 large, soft-touch, function keys allow quick access to
frequently used commands.

D. Quick View Keys – Fingertip access to 12 views makes it easier to switch cameras.

E. Intelligent Function Keys – Easy access to 4 application commands for an

optimized workflow.

F. On-Screen Display – Provides a visual reminder of function key assignments on

your computer screen.

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G. 3D Space Mouse Modifiers – Fingertip access to Ctrl, Shift, Alt and Esc keys saves
time by reducing the need to move your hand between mouse and 3D Mouse.

H. Virtual Num Pad – Allows direct numerical input into your application using your
standard mouse rather than the 3D Mouse.

I. The 3D Mouse must be part of an integrated system and shall be configured so

any number can be added to the system. When combined with user interfaces
(UIs), network storage managers (NSM’s), encoders, IP cameras, and video
consoles, the 3D Mouse forms an integral part of a complete network-based
video control system.

J. Hardware

1. Power Supply

a. Input Connector Type Universal, interchangeable

2. Connectivity

a. 3D Space Mouse Interface USB 2.0

b. Cable USB

3. Module Specifications

a. 3D Space Mouse Keypad

b. Joystick Fully proportional PTZ, variable speed; with

zoom, iris, and focus controls

4. Physical

a. Dimensions 204 x 142 x 58 cm (8.0" D x 5.6" W x

2.3" H)

b. Unit Weight 665 g (1.47 lbs)

5. Environmental

a. Ambient Temperature 21 to 23C (70 to 74F)

Section 282300 _ 31
24 OFFICE BLDG, EGYPT Electrical

b. Operating Temperature 0 to 40C (32 to 104F) air intake of unit

c. Storage Temperature –40 to 65C (–40 to 149F)

d. Operating Humidity

I. Enhanced Keyboard (if any)

A. The keyboard must be compatible with all distributed, network video

management systems.

B. The keyboard must support USB 2.0 protocol, and the USB must operate at full-
speed.

C. System Requirements

1. Windows Vista, Windows 7, or Windows 8 / 8.1

2. Two (2) USB ports

3. 70 MB of available hard disk space

J. Workstation With Ds Control point Software For Operators

The Workstation shall have the following minimum Features:

▪ Optimized to Support Pre-Installed DS Control Point Software

▪ Provides Access to Multiple DS Servers

▪ Supports manufacture’s and Third-Party IP Cameras and Network Encoders

▪ Compatible with DS Control Point for Simultaneous Monitoring of All DS Series

and DX Series Products in a Single Client Interface

▪ Displays Up to 10X 1080p Video Streams or 54X 720p Video Streams

▪ Network Health and Event Monitoring Support Through Simple Network

Management Protocol (SNMP) and New Digital Sentry® System Information (DSSI)
Utility

▪ Compatible with the DS Archive Utility

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▪ Supports the Display of MJPEG; MPEG-4; and H.264 Baseline, Main, and High
Profile-Encoded Streams from IP Cameras
- System Min. Specifications

- Processor: Intel Core i7-6700

- Operating System: Microsoft Windows 10 Enterprise 64-bit
- RAM: 16 GB DDR4
- OS Drive: m.2 256 GB
- Storage: 1 T.B min.
- Video Outputs: 2x DisplayPort, HDMI
- USB Ports:
- USB 2.0: 2x Front; 2x Rear
- USB 3.0: 1x Front; 4x Rear
- Networking: 1x Gigabit Ethernet (1000Base-T) Ports

Section 282300 _ 33
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PART 3 - EXECUTION

3.1. General

A. Installation: The Contractor shall install all system components including Owner
furnished equipment, and appurtenances in accordance with the manufacturer’s
instructions, including all necessary connectors, terminators, interconnections,
services, and adjustments required for a complete and operable data transmission
system.

B. Identification and Labeling: The Contractor shall supply permanent identification

labels for each cable at each end that will appear on the as-built drawings. The
labeling format shall be identified and a complete record shall be provided to the
Owner with the final documentation. Each cable shall be identified by type or signal
being carried and termination points. The labels shall be printed on letter size label
sheets that are self laminated vinyl that can be printed from a computer data base or
spread sheet.

C. The Contractor shall provide all personnel, equipment, instrumentation, and supplies
necessary to perform all testing.

3.2 Installation

A. System installation shall be in accordance with manufacturer and related documents

and references, for each type of security subsystem designed, engineered and
installed.

C. The Contractor shall install all system components including Government furnished
equipment, and appurtenances in accordance with the manufacturer's instructions,
documentation, and shall furnish all necessary connectors, terminators,
interconnections, services, and adjustments required for a complete and operable
system.

D. The VASS System will be designed, engineered, installed, and tested to ensure all
components are fully compatible as a system and can be integrated with all
associated security subsystems, whether the system is a stand alone or a complete
network.

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E. For integration purposes, the VASS System shall be integrated where appropriate
with the associated security subsystems.

F. A complete VASS System shall be comprised of, but not limited to, the following
components:

1. Cameras

2. Lenses

3. Video Display Equipment

4. Camera Housings and Mounts

5. Controlling Equipment

6. Recording Devices

7. Wiring and Cables

G. The Contractor shall visit the site and verify that site conditions are in
agreement/compliance with the design package. The Contractor shall report all
changes to the site or conditions that will affect performance of the system to the
Contracting Officer in the form of a report. The Contractor shall not take any
corrective action without written permission received from the Contracting Officer.

H. Existing Equipment

1. The Contractor shall connect to and utilize existing video equipment, video and
control signal transmission lines, and devices as outlined in the design package.
Video equipment and signal lines that are usable in their original configuration
without modification may be reused with Contracting Officer approval.

2. The Contractor shall perform a field survey, including testing and inspection of all
existing video equipment and signal lines intended to be incorporated into the
VASS System, and furnish a report to the Contracting Officer as part of the site
survey report. For those items considered nonfunctioning, provide (with the
report) specification sheets, or written functional requirements to support the
findings and the estimated cost to correct the deficiency. As part of the report,
the Contractor shall include a schedule for connection to all existing equipment.

Section 282300 _ 35
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3. The Contractor shall make written requests and obtain approval prior to
disconnecting any signal lines and equipment, and creating equipment downtime.
Such work shall proceed only after receiving Contracting Officer approval of these
requests. If any device fails after the Contractor has commenced work on that
device, signal or control line, the Contractor shall diagnose the failure and
perform any necessary corrections to the equipment.

4. The Contractor shall be held responsible for repair costs due to Contractor
negligence, abuse, or incorrect installation of equipment.

5. The Contracting Officer shall be provided a full list of all equipment that is to be
removed or replaced by the Contractor, to include description and
serial/manufacturer numbers where possible. The Contractor shall dispose of all
equipment that has been removed or replaced based upon approval of the
Contracting Officer after reviewing the equipment removal list. In all areas where
equipment is removed or replaced the Contractor shall repair those areas to
match the current existing conditions.

I. Cameras:
1. Install the cameras with the focal length lens as indicated for each zone.

2. Connect power and signal lines to the camera.

3. Aim camera to give field of view as needed to cover the alarm zone.

4. Aim fixed mounted cameras installed outdoors facing the rising or setting sun
sufficiently below the horizon to preclude the camera looking directly at the sun.

5. Focus the lens to give a sharp picture (to include checking for day and night focus
and image quality) over the entire field of view

6. Synchronize all cameras so the picture does not roll on the monitor when
cameras are selected.

7. PTZ cameras shall have all preset positions and privacy areas defined and
programmed.

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O. Monitors:
1. Install the monitors as shown and specified in design and construction
documents.

2. Connect all signal inputs and outputs as shown and specified.

3. Terminate video input signals as required.

4. Connect the monitor to AC power.

K. Switcher:

1. Install the switcher as shown in the design and construction documents, and
according to the OEM.

2. Connect all subassemblies as specified by the manufacturer and as shown.

3. Connect video signal inputs and outputs as shown and specified; terminate video
inputs as required.

4. Connect alarm signal inputs and outputs as shown and specified; connect control
signal inputs and outputs for ancillary equipment or secondary
control/monitoring sites as specified by the manufacturer and as shown.

5. Connect the switcher CPU and switcher subassemblies to AC power.

6. Load all software as specified and required for an operational VASS System
configured for the site and building requirements, including data bases,
operational parameters, and system, command, and application programs.

7. Provide the original and 2 backup copies for all accepted software upon
successful completion of the endurance test.

8. Program the video annotation for each camera.

L. Video Encoder/Decoder

1. Install the Video Encoder/Decoder per design and construction documents, and
as specified by the OEM.

2. Connect analog camera inputs to video encoder.

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24 OFFICE BLDG, EGYPT Electrical

3. Connect network camera to video decoder.

4. Connect video encoder to VASS network.

5. Connect video decoder to video matrix, DVR, monitor etc.

6. Connect unit to AC power (UPS).

7. Configure the video encoder/decoder per manufacturer’s recommendation and

project requirements.

M. Video Server:

1. Install the video server per design and construction documents, and as specified
by the OEM.

2. Connect video server to AC power (UPS).

3. Connect to VASS network.

4. Install operating system and Video Management Software.

5. Provide Video Management Software programming per VA guidance and the

requirements provided by the Owner. Programming shall include:

a. Camera names

b. Screen views

c. Camera recording schedules (continuous and event) driven recording. Events

include alarms from other systems (sensors), manual input, and video motion
detection.

d. Video detection zones for each camera requiring video motion detection

e. Alarm interface

f. Alarm outputs

g. GUI maps, views, icons and actions

h. PTZ controls (presets, time schedules for privacy zones etc.)

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i. Reports

N. Video Workstation:

1. Install the video workstation per design and construction documents, and as
specified by the OEM.

2. Connect video workstation to AC power (UPS).

3. Connect to VASS network.

4. Install operating system and application software.

5. Provide application software programming per VA guidance and the

requirements provided by the Owner. Programming shall include:

a. Screen views

b. Graphical User Interface (GUI) maps, views, icons and actions

c. Alarm outputs

d. Reports

O. Network Switch:

1. Install the network switch per design and construction documents, and as
specified by the OEM.

2. Connect network switch to AC power (UPS).

3. Connect network cameras to network switch.

4. Configure the network switch per manufacturer’s recommendation and project

requirements.

P. Network Recording Equipment

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1. Install the NVR or video storage unit as shown in the design and construction
documents, and as specified by the OEM.

2. Connect recording device to AC power (UPS).

3. Connect recording device to network switch as shown and specified.

4. Configure network connections

5. Provide recording unit programming per VA guidance and the requirements

provided by the Owner. Programming shall include:

a. Camera names

b. Screen views

c. Camera recording schedules (continuous and event) driven recording. Events

include alarms from other systems (sensors), manual input, and video motion
detection.

d. Video detection zones for each camera requiring video motion detection

e. Alarm interface

f. Alarm outputs

g. GUI maps, views, icons and actions

h. PTZ controls (presets, time schedules for privacy zones etc.)

i. Reports

Q. Video Recording Equipment:

1. Install the video recording equipment as shown in the design and construction
documents, and as specified by the OEM.

2. Connect video signal inputs and outputs as shown and specified.

3. Connect alarm signal inputs and outputs as shown and specified.

4. Connect video recording equipment to AC power.

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24 OFFICE BLDG, EGYPT Electrical

5. Program the video recording equipment;

a. Recording schedules

b. Camera caption

3.3 System Start-Up

A. The Contractor shall not apply power to the VASS System until the following items
have been completed:

1. VASS System equipment items and have been set up in accordance with
manufacturer's instructions.

2. A visual inspection of the VASS System has been conducted to ensure that
defective equipment items have not been installed and that there are no loose
connections.

3. System wiring has been tested and verified as correctly connected as indicated.

4. All system grounding and transient protection systems have been verified as
installed and connected as indicated.

5. Power supplies to be connected to the VASS System have been verified as the
correct voltage, phasing, and frequency as indicated.

B. The Commissioning Agent will observe startup and contractor testing of selected
equipment. Coordinate the startup and contractor testing schedules with the
Resident Engineer and Commissioning Agent. Provide a minimum of 7 days prior
notice.

C. Satisfaction of the above requirements shall not relieve the Contractor of

responsibility for incorrect installation, defective equipment items, or collateral
damage as a result of Contractor work efforts.

3.4 Supplemental Contractor Quality Control

A. The Contractor shall provide the services of technical representatives who are
familiar with all components and installation procedures of the installed VASS
System; and are approved by the Contracting Officer.

Section 282300 _ 41
24 OFFICE BLDG, EGYPT Electrical

B. The Contractor will be present on the job site during the preparatory and initial
phases of quality control to provide technical assistance.

C. The Contractor shall also be available on an as needed basis to provide assistance

with follow-up phases of quality control.

D. The Contractor shall participate in the testing and validation of the system and shall
provide certification that the system installed is fully operational as all construction
document requirements have been fulfilled.

3.5 Commissioning

A. Provide commissioning documentation for all inspection, start up, and contractor
testing required above and required by the System Readiness Checklist provided by
the Commissioning Agent.

3.6 Demonstration and Training

A. Provide services of manufacturer’s technical representative to instruct client’s

personnel in operation and maintenance of units.

End of Section

Section 282300 _ 42
24 OFFICE BLDG, EGYPT Electrical

SECTION 284600- INTELLEGENT FIRE ALARM SYSTEM

PART 1 GENERAL

1.1 RELATED DOCUMENTS

Drawings and general provisions of the contract, including

General Conditions, Conditions of Particular Application and
Division-l Specification Sections, apply to work of this Section.

1.2 DESCRIPTION OF WORK

This section covers the specifications of the Fire Alarm System

(FA) required for the project.

The fire alarm system shall have Main fire alarm control panel
(M-FACP) located at control room OR as indicated in drawings.

The M-FACP shall report all events to repeater panel located at

the Main entrances of the building OR as shown on the
drawings.

The provided fire alarm system shall be suitable for type of

occupancy as defined by the local building code and as required
provided by the local fire Authority and by the international
codes.

The fire alarm system shall be used to detect early start of fire in
any location in the project and initiate the appropriate
annunciation, alarm, interlocking and counter measures
commands as described hereinafter.

The fire alarm system shall supervise all the functions of the
equipment and devices including the connected safety related
systems such as PA, monitoring and control equipment etc.

The fire alarm system shall monitor tenant’s Fire alarm system
through an interface unit (IFU).

The fire alarm system shall be intelligent programmable using

high sensitivity analogue addressable microprocessor controlled
detectors for smoke, heat, etc, and manual stations.

Section 284600 _ 1
24 OFFICE BLDG, EGYPT Electrical

Audible alarms, voice evacuation messages and visual strobe

lights will be used for annunciation as shown on drawings.

Voice evacuation messages shall be broadcasted by the project

Public Address system using the appropriate hardware and
software modules
Required for interfacing between the FA and the PA system.

The system shall include all necessary hardware and software for
integrated complete and operable system and monitoring the
status (Alarm/Fault) of the connection between the two systems
in accordance with the requirements of this specification.

The contractor is requested to provide all the required

equipment, component, etc. which makes the system work as
required without any extra cost, the contractor is responsible for
providing even those equipments which are not mentioned in
specifications, BOQ and drawings.

1.3 EXTENT OF WORK

The extent of work covers the fire alarm system as described by

the Specifications and indicated on the Drawings, riser diagrams
and Bill of Quantities of the project.

Work shall include but is not limited to all labor, equipment,

cable networks, connection, testing, training, etc to furnish and
install a complete system.

1.4 REFERENCE CODES AND STANDARDS

Equipment and installations shall comply with the latest issues

of the current provisions of the following standards:

Relevant Local and State Building Codes

National Fire Protection Association Standards

NFP A No

72A Local Protective Signaling Systems

72B Auxiliary Protective Signaling Systems
72C Remote Station Protective Signaling Systems
72D Proprietary Protective Signaling Systems

Section 284600 _ 2
24 OFFICE BLDG, EGYPT Electrical

72E Automatic Fire Detectors

72G Notification Appliances for Protective Signaling Systems
72H Testing Procedures for Protective Signaling Systems

101 Life Safety Code

IEC 60331 Tests for electric cables under fire conditions -

Circuit integrity.

IEC 60754 Tests on gases evolved during combustion of

material from cables.

IEC 61034 Measurement of smoke density of cables burring

under defined conditions.

IEC 60228 Conductors of insolated cables.

IEC 60332 Tests on electric cables under fire conditions.

BS 6387 Specification for performance requirements for cables

required to maintain circuit integrity under fire
conditions.

UL Listing: The system and all its components shall be listed by

Underwriters Laboratories Inc. or approved equal for use in fire
protection signaling system under the following standards as
applicable:

1.5 SUBMITTALS
Submit the following in accordance with Conditions of the
Contract and Division-l Specification Sections:

1.5.1 General: Submit complete sets of documentation as stated by the

contract conditions indicating the type, size, rating, style, catalog
number, manufacturers names, photos and/or catalog data sheets
for all items to ensure compliance with these specifications. This
documentation shall be subject to approval and no equipment
shall be ordered without this approval, for all equipment and
devices, which are shown on Drawings.

1.5.2 Shop Drawings: Submit shop drawings showing equipment/device

locations and connecting wiring of entire fire alarm system

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24 OFFICE BLDG, EGYPT Electrical

inclu4ing riser diagrams. Shop drawings shall include, but shall

not be limited to, the following:

- Pin to pin connection diagram

- Complete one-line riser diagram(s) showing all equipment and

the size, connection with the outdoor network, type and
number of all equipment
- Large scale drawing of the Fire Alarm Control Panels

- Provide calculations to support the size of stand-by batteries of

the emergency power supply

- Include programming and installation manuals

- Complete description data including UL listing or any

equivalent standards for all system components

- Complete sequence of operations and functions of the system

- A list of every system address provided for purposes of alarm

initiation, status monitoring, supervised signaling and auxiliary
controls (cause and action) list

- Complete system wiring diagrams for components and

interfaces to equipment supplied by others

- A listing of the manufacturer's authorized, local representative

responsible for installation, coordination and service

- Compliance sheet item by item providing a comparison

between each item specifies herein and each item submitted.

1.5.3 Product Data: Submit manufacturer's technical product data,

including specifications and installations for each type of fire
alarm system equipment. Include standard or typical riser and
wiring diagrams, operation and maintenance instructions for
inclusion in maintenance manuals.

1.5.4 Instruction Manuals: The Contractor shall provide with the

assistance of the equipment manufacturer and its authorized,

Section 284600 _ 4
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local representative. In addition, one approved copy of the fire

alarm system submittal, complete operating - instructions;
pertinent system orientation documents and system service,
testing, and alarm documentation in the fire control area (Fire
Alarm Control Panel) for the permanent use of the Employer and
the Fire Department.

1.6 QUALITY ASSURANCE

The system and all its components shall be according to the

listed codes and standards.

1.6.1 Manufacture Qualifications: Manufacturing firms should be

regularly engaged in manufacture of fire alarm systems of type,
size and electrical characteristics and whose products have been
in satisfactory use in similar services for not less than 5 years.

1.6.2 Installer Qualifications: : Engage an experienced installer who is a

factory-authorized sale and service representative to perform
the work of this section.

Installer shall have at least 5 years of successful installation

experience in projects with fire alarm systems similar to those
required for this project.
Installer shall have factory training experience.

1.6.3 Training: Equipment's manufacturer and his authorized, local

representative shall provide, in depth, equipment service and
programming on site training to selected Employer's personnel for
one week.

1.7 DELIVERY, STORAGE AND HANDLING

Handle fire alarm equipment carefully to prevent damage,

breaking and scoring. Do not install damaged equipment or
components, replace with new.

Store fire alarm equipment in clean, dry place. Protect from

weather, dirt, fumes, water, construction debris, and physical
damage.

1.8 RELATED SECTIONS

Section 284600 _ 5
24 OFFICE BLDG, EGYPT Electrical

The following sections include requirements, which relate to this

section:

16010 General Electrical Requirements

16060 Grounding and Bonding
16130 Raceways, boxes and Cabinets
16139 Cable Trays

1.9 AS-BUILT DRAWINGS

During the construction of the system, the Contractor shall put

in writing all his remarks, during the progress of work,
concerning any suggested alterations from the shop drawings in
wiring routes, locations of equipment or devices which arise
from coordination between the system and other activities.
No execution of alterations shall be allowed before receiving
written approval from the Engineer.

A complete as-built draft set of drawings shall be prepared 15

days after completion of work for approval of the Engineer.

1.11 COORDINATION WITH OTHER SYSTEMS

The Fire Alarm System supplier shall be responsible to

coordinate and exchange information with Suppliers of other
systems and equipment which shall communicate with, in order
to achieve the required specified functions.

The coordination includes, but is not limited to methods of

communications (RS 232, protocols, etc).

Section 284600 _ 6
24 OFFICE BLDG, EGYPT Electrical

PART 2 PRODUCTS

2.1 BASIC CONFIGURATION

All equipment and materials shall be designed to operate and

provide maximum continuous performance at temperature and
humidity of the project location. Provisions shall be inherently
provided in the equipments to protect them from reduced
performance or damage at peak climatic and operating
conditions.

The Fire Alarm (FA) System shall be intelligent Analogue

Addressable computer controlled and software programmable.

The Fire Alarm (FA) System architecture shall be based on

network configuration RS-485 protocol, consisting of a main
system equipment control panel M-(FACP) connected to the PC
graphic software, Sub-fire alarm panels and two repeater panels.

The fire alarm system shall be electrically supervised-for all the

system equipment, wiring and devices including the connected
systems and devices of the other systems as described in the
specifications and shown on Drawings.

The maximum number of devices of a single addressable

signaling circuit shall not exceed eighty percent (80%) of the
maximum communications handling capacity so as to allow for
sufficient flexibility in numbers and signals. This shall include
control and monitor signals of all addressable and control
modules.
2.2 SYSTEM SOFTWARE

The FACP shall be using the latest certified manufacturer

standard software, compatible with any required third party
subsystem software that may be used by the FA system to
provide the necessary function such as reports, etc.

The software shall include, but is not limited to the following:

- The software can be configured over the network with the

appropriate authentication procedures. This includes
programming, configuration, control and operation of the

Section 284600 _ 7
24 OFFICE BLDG, EGYPT Electrical

FACP system functions.

- Display and presentation functions (status, alarms, etc) of the

FA system and connected system.

The system shall provide standard and configured custom

reports on periodic or event basis. Reports may be printed.

Reports shall include:

- Maintenance management and supervisory events reporting

- Historical database of events information and operator actions

2.3 THE FA FUNCTIONS

The major functions of the systems are to detect fire in its early
stage, giving alarms, command the connected systems and
devices to execute the required counter measure actions in
cases of fire, supervise the system equipment, devices and
networks for trouble and failure.

The system shall control and monitor addressable automatic

detectors (smokes, heat, etc.), manual stations, horns, strobe
lights, monitor and control modules, etc. The FA systems shall
perform the following, but is not limited to the following
functions:

- Then system shall individually recognize all connected devices

for alarm and trouble identification.

- Monitor Detectors for sensitivity settings from the control

panels and log changes in sensitivity due to environmental
changes, and indicate the need for service due to accumulative
dirt if approach eighty percent (80%) of the alarm threshold.

- Report system faults and indicating the location of the faulty

device.

- The system shall include event logging and recording facility for
saving and printing all events in real time and capable of
storing events (not less than 1000) for retrieval such as alarms,
system faults, supervisory conditions, etc.
- The system shall include software self-diagnostic capability,

Section 284600 _ 8
24 OFFICE BLDG, EGYPT Electrical

which scans all the constituents of the system periodically and

reports any malfunction

- Alarm shall be initiated from individual alarm initiating

circuit(s), device(s), and software defined group of addressable
devices reporting the alarm condition at the F ACP and
equipment and operate the alarms and counter measures
described hereinafter.

- Alarm shall be done using horns together with prerecorded

audio evacuation messages that shall be broadcasted through
the Public Address system.

- Intelligent automatic detector or group of detectors shall give

alarm in accordance with automatic alarm verification feature.
This feature resets the device reporting an alarm automatically
then starts a verification time period and confirmed Alarm
triggered if the source of alarm still exists during the period of
verification.

- Addressable interface units (IFU) shall be installed at tenants

entrances, so that they can connect their own fire alarm
system at their own responsibility as follows:

• Small shops shall have the addressable (IFU) connected to

their own conventional type detectors, sounders and
manual call' points so that the Mall Fire Alarm System
could monitor all the tenants.,
• Big shops and Restraunts shall have their own Fire alarm
system control panel with all needed detectors and alert
units and it shall be connected via the IFU to main fire
alarm control panel through fiber optic cables.

The system shall initiate counter measure command signals to

the connected fire safety related systems and devices through
remote control modules and interfaced communication links:

• HVAC
• Access control system
• Monitor the fire protection systems
• BMS
• Public address system
• All other related systems.

Section 284600 _ 9
24 OFFICE BLDG, EGYPT Electrical

2.4 PERFORMANCE REOUIREMENT

The system shall have open architecture concept and extendable
control equipment that allow for extension in capacity, number
of loops and accept adding extra circuits and modifying the
software to cope with the required extension.
The control equipment of the system shall be based on
decentralized architectural concept.

The control equipment shall include intelligent interfacing and

signaling circuits for communication network operation and
control of all the system devices and equipment the (detectors,
control modules, monitoring modules, Repeater Panel, etc.).

The Fire Alarm System shall be fully software driven and shall
control all the logical functions of the system and can be altered
in case of required modifications in the operation of the system
which does not alter the basic functions and performance in
accordance with the code.

The system shall include emergency power supply system for FA

panel and Repeater Panel, which allows it to function normally
in case of total supply failure.

The system shall be connected with the access control system in

order to release some doors, which are in the escape routes in
case of confirmed major fire alarm in order to. make it possible
to evacuate the area or building. Opening these doors will cause
security leak if alarm is falsified which necessitates coordination
with security forces.

2.5 CONSTITUENTS OF THE SYSTEM

The fire system shall consist of, but not limited to, the following:

- Fire Alarm Control Panel (FACP): The FACP is the system

equipment, which interconnects together all system
components.

- The F ACP shall be installed as indicated on drawings and shall

include processing, interfacing and communication circuits
required to communicate with other parts of the system.

- Event Printer (EP): The (operating) status and all events taking

Section 284600 _ 10
24 OFFICE BLDG, EGYPT Electrical

place of the fire alarm system shall be printed using EP at real

time and as
required. Event logging shall cover the building.
2.6 COUNTER MEASURES

The system shall operate the counter measure actions of the

system related to the specific F ACP where confirmed fire alarm
was detected. These actions shall be done through remote
control modules, which take command from the F ACP on digital
bases. The control modules shall work as an interface device
between the system and other systems, which give the
necessary direct commands to each of these systems.

Command signals of the fire alarm system shall control the

operation of the other systems through their control panels, and
return to normal as soon as the fire conditions is cleared. These
actions shall be included in event logging of the system.

The fire alarm system shall relay the signals to the equipment of
other systems through control modules on digital bases, which
may include relays for two (2) state operations (start-up and
similar functions).

- HVAC: The system shall stop the AHUs in the area(s) of fire
alarm, and operate smoke purging fans.

- Access Control System: The system shall give command signals

to the access control system to release the doors in area of
alarm to allow personnel to escape without obstruction. A
special message shall be displayed continuously during the
period this signal is active in order to give warning that security
doors, controlled by the access control system are released.
Activation of command signal(s) is initiated if two (2) or more
confirmed detections take place in the area of the door to be
opened.

2.7 SOURCES OF ALARM

Initiation of alarm shall be. direct, as in the case of sensing fire

by an automatic detector, or indirect, as in the cases of

Section 284600 _ 11
24 OFFICE BLDG, EGYPT Electrical

operation of a fire protection devices (flow switch. etc) or fire

protection system where the control panel of this system will
transmit alarm signals as follows:

- Automatic detector (smoke, heat, etc.)

- Manual fire alarm switches (manual stations)

- Flow switches of the sprinkler system

- Operation of any of the fire protection systems

- Duct smoke detectors the HVAC (location and number of duct

smoke
detectors shall be coordinated with HVAC).

2.8 FIRE ALARM

Activation of any fire alarm initiating source(s) shall cause the

following actions and indications:

Alarm Verification

The control equipment of the fire alarm system shall make sure
that the alarm signal received from the initiating circuit is correct
and shall ignore warning due to faults, drift, dirt, etc.

This shall be secured using' software programming in

accordance with NFPA 101 verification time.

Alarm initiation by manual switches and fire protection flow

switches is a confirmed alarm and verification is not required to
initiate immediate alarm. Detection of fire by any automatic or
manual device follows three (3) steps as follows:

- Retarded Period: Activation of all actions required in case of

fire shall be delayed for thirty (30) seconds, which is software
adjustable, for receiving the first signal from an alarm-initiating
detector.

- If an alarm signal from a second detector or a second alarm

signal from the same detector is received within this period, a
confirmation is assured and the programmed actions shall take

Section 284600 _ 12
24 OFFICE BLDG, EGYPT Electrical

place.

- Reset Period: If no second alarm signal is received or a

sustained detection condition exists within the first thirty (30)
seconds, the system shall reset to normal.

- Configuration Period: Any alarm signal to be received during

the next sixty (60) seconds (software adjustable), alarm
condition is considered confirmed and appropriate actions
shall take place. The confirmation alarm signal could be
initiated from the same detector or another one.

Alarm Sounding

The FACP shall activate alarm horns and visual alarms in the
area(s) where confirmed detection of fire took place.

Alarm Announcement in the Main Control Equipment

Confirmed fire alarm conditions shall activate display messages

on the FACP and repeater panel with local audiovisual alarm
signals. Displayed messages shall indicate addresses and
locations of circuits and devices causing the alarm. Alarm
acknowledgement shall also stop the local alarm but shall leave
the message in display continuously as long as the alarm
condition exists.

This procedure shall be repeated for any subsequent alarm

conditions.

Audible Alarm to Public

Audio alarm shall start in cases the system detects confirmed

fire and shall repeat continuously until the system is silenced
manually by authorized personnel, which shall not prevent
resounding if the cause of fire still exists.

Alarm shall mute all sound announcements initiated by the

public address system in the area{s) of alarm and area related to
it according the Code requirements.
Override of sound announcements by the P A system shall be
automatic and shall be from the FA system through a suitable

Section 284600 _ 13
24 OFFICE BLDG, EGYPT Electrical

interface.
Special interface module shall be included in the FA and P A
systems, which activate the alarm in the required area in case
the PA system receives a fire command signal from the FA
system.

Voice Evacuation Messages

Pre-recorded voice evacuation messages in three (3) languages

shall be broadcasted in cases it necessary to evacuate people
from an area or globally from the Building by the P A system
speakers, which shall be generated using voice synthesizer
stored at the P A system matrix.

The voice messages shall follow audio announcement signals.

Audio evacuation messages shall have absolute priority on any
ongoing other messages.

Voice evacuation messages shall cover all public areas, corridors

and within rooms necessary to achieve audible levels.
Interface equipment shall be included in the public address
system to communicate with the FA system for receiving
command of announcements, etc. Supervisory signals shall be
sent from the P A to the FA to either confirm healthy situations
or indicate fault locations.

Visual Alarm

Alarm strobe lights shall be located in accordance to the Code

requirements and shall be operated together with the audible
alarm and continue until the system is reset and source of alarm
does not exist.

2.9 TROUBLE IN THE SYSTEM

The following trouble signals in the alarm system shall activate

local audiovisual alarm together with visual display of the nature
of the trouble in the FACP and repeater panel;.

- Power and battery failure or loss

- Open or grounded Cable network, which interconnects devices

and system components

Section 284600 _ 14
24 OFFICE BLDG, EGYPT Electrical

- Communication failure

- System software and hardware failure

- Cable and wiring network, which interconnects the system all

together in order to perform as an integral system.

- System devices and peripherals

2.10 SUPERVISION OF CONNECTED SYSTEMS

The fire alarm system shall supervise the following systems using
remote addressable monitoring modules on digital bases:
Activation of any of these systems shall be looked to as a
confirmed fire alarm and shall generate the standard alarm
sequence.

Water Fire Protection System

The fire alarm system shall supervise the water flow in the main
valves of the sprinkler system in order to initiate alarm or fault
indication. All alarm initiating devices of the fire protection shall
be of the non-addressable type and shall be monitored by the
FACP as passive elements for operation and fault status of wiring
through addressable monitoring modules. Flow switches shall
cause system alarm and tamper switches shall cause fault
condition.
The fire protections pumps (if exists) shall be supervised by the
fire alarm system through their control panel for run and fail
conditions using addressable monitoring modules.

2.11 EVENT LOGGING AND RECORDING

All alarm, trouble, supervisory and command events shall be

memorized by the system and printed by the EP. The system
shall bear sufficient memory to store events (not less than 1000)
and print them on command.

Real time printing of event shall also take place whenever an

event happens.

Printed data shall include time, nature of event happening,

location, ill of personnel giving commands, etc.

Section 284600 _ 15
24 OFFICE BLDG, EGYPT Electrical

A desktop printer shall provide hard copies for record of all the
system activities in details. Printouts shall contain the following
information:

- Unscheduled events
- Operator acknowledgements
- Operator commands
- All alarms
- Supervisory conditions
- Fault and trouble conditions - All system troubles

Printouts shall include the data concerning the events (time,

description of nature of events, etc).

2.12 FIRE ALARM SYSTEM EQUIPMENT AND DEVICES

Equipment and devices shall be documented compatible with

the control equipment to which it is connected.

Detectors shall be listed for this purpose by Underwriters

Laboratories Inc.

The fire alarm system equipment (FACP, repeater, detectors,

etc) shall be connected together by dedicated data
communication network of sufficient speed, capacity and
reliability to support peak data traffic generated by the system.

The constituents of the fire alarm system are as follows, but are
not limited to:

- Intelligent addressable fire alarm control panel with PC and

graphics
- Repeater panel
- Event printer
- Automatic detectors (smoke, heat, etc.)
- Manual stations
- Monitor Modules
- Shops Interface Units
- Visual strobe lights
- Fire fighter telephone
- Alarm horns

Section 284600 _ 16
24 OFFICE BLDG, EGYPT Electrical

- Control modules
- Signal Control Module
- Fault isolators
- Automatic telephone dialer
- Cable network

2.13 FIRE ALARM CONTROL PANEL (FACP)

The FACP shall include the necessary hardware and software

required to function as specified and according to the code
requirements.

It will run the system software to monitor, supervise and control

all devices and equipment within ~e building.

The F ACP shall performs operation, monitoring of the

connected devices (detectors, repeater, etc) for normal and fault
conditions, initiate alarm and other commands

The FACP shall have intelligent addressable loops and shall

include, but is not limited to:

- Central processing unit (CPU) and related parts

- Display and control unit

- Communication interfaces with the system and with BMS
Systems

- Emergency power supply (PS) C/W Batteries

- Software operating system including all necessary modules
(communication, diagnostics, etc.)

- PC with graphics software

The Central Processor Unit (CPU): CPU shall be programmable;
Microprocessor based and includes programs, which support all
functions of the fire alarm system.

CPU shall also include all necessary interfacing circuits, which

enable it to communicate with addressable and non-addressable
devices and equipment pertaining to the fire alarm system as
described in the previous Clauses.

Section 284600 _ 17
24 OFFICE BLDG, EGYPT Electrical

Event initiating functions shall be performed in accordance with

stored logic (firmware) in a non-volatile memory (PROM or
EPROM).

The CPU shall also perform all communication-oriented tasks on

digital error free concept using addressable routines to manage
all addressable devices.

The graphic software shall be stored and downloaded into the

PC.

The building graphics shall be stored floor by floor in a form of

AutoCAD or BMP which ever suits the system software.

The FACP shall be interfaced with the graphics PC so as to if any

alarm initiated, the corresponding layout or map shall be
activated on the PC screen with initiated device flashing.

The software programs, which operates and manage the system

shall be resident and have complete immunity against noise,
interference and supply fluctuations and failure. This software
shall also be protected against intended or by-mistake
alterations.

All supervisory and trouble functions shall also be supported by

the program which runs the system including reporting routines
which display all necessary information and alarms.

Special Diagnostic program shall also monitor all vital functions

such as communication and data processing cycles of operation
and run diagnostic routines to detect errors and report it.

The communication with the Repeater panels shall be done

through the appropriate ports and built in communication
software.

The F ACP shall have a capacity, which can be able to handle all
the devices with 15% spare for each signaling line circuit or
audio amplification.

The fire alarm control panel F ACP shall have the following
features but not limited to:

Section 284600 _ 18
24 OFFICE BLDG, EGYPT Electrical

- Modular system to allow future extension

- LCD of minimum 80 character alphanumeric
- Automatic day and night sensitivity
- Automatic drift compensation
- Dirt detector reporting
- Ground fault detection
- Internal self diagnosis
- Minimum of 1000 history events

2.14 EMERGENCY POWER SUPPLY

The system shall be equipped with an Emergency Power Supply

system capable of supplying the necessary power to run the fire
alarm system for 24 hours on stand-by mode and for 30 minutes
in case of alarm state. The Emergency power supply shall include
battery of sufficient capacity; battery charger and non-break
change over circuitry.

Battery calculation sheet must be submitted.

2.15 COTROL MODULE (CM)

The control modules shall be addressable devices, which shall be

connected to the addressable loops and shall include isolated
contacts of ample capacity, required to drive other devices.

The function of the control module is to provide command signal

to the non-addressable connected devices and systems.
Control module Commands shall be from F ACP through
addressable supervised communication. Interfacing circuits shall
be included which generate the required actions command
signals in to the control program of the system.

Command signal shall be transformed to passive (i.e.

open/close) contacts of sufficient capacity and shall be
electrically isolated from the system.

2.16 MONITORING MODULE

The MM devices are intended for receiving data from non-

addressable systems and devices (flow switches, fire protection
etc.). They shall be installed in remote locations of devices to be
supervised by the FA system on digital bases.

Section 284600 _ 19
24 OFFICE BLDG, EGYPT Electrical

Two (2) state alarm or supervisory signals shall be transformed

by the MMs to addressable digital form to be processed by the
system.

MMs shall monitor the status of flow switches of the sprinkler

system and their associated tamper switches, the status of the
fire pumps, water level in the fire tank, etc.

2.17 SIGNAL CONTROL MODULE (SCM)

The addressable signal control module is used for connecting

supervised audible/visible alarm devices to their respective
power inputs upon command from the loop controller. The
power inputs may be polarized 24 V dc to operate audible and
visible signal appliances or 25, 70 and 100 VRMS to operate
audio evacuation speakers.

2.18 UNIT INTERFACE

- This unit should be compact, easy to install interface designed

to enable small units with unit fire detection to be fully
integrated with the main analogue addressable fire system. it
should be unit able for applications such as connecting
individual shop units into a main shopping center system.

• Accepts a zone of up to 20 compatible conventional

detectors plus an unlimited number of conventional call
points
• Provides two conventional Sounder circuits
• Includes output changeover relay
• Only takes a single address
• Simple to install
• Inputs monitored for open and short circuits
• Uses end of line monitoring to monitor zone wiring
integrity
• Call points continue to function even if detectors are
removed
• Has facilities to accept either mixed zone of call points
and detectors or for call points and detectors to be
connected to separate circuits
• Facilities for connection of a power supply. which is then
monitored for fault (p.s.u requires fault contact)
• Includes programmable changeover really which operates

Section 284600 _ 20
24 OFFICE BLDG, EGYPT Electrical

in the even - of fire

• Incorporates two conventional sounder circuits powered
under fire conditions via external monitored power
supply

- INSTALLATION NOTES
• unit interface is fixed to a deep double gang back box
(supplied)
• All connections are via heavy duty terminals
• Cable entry can be top, bottom, side or rear
• Can be surface or semi recessed mounted

- Technical Specifications
Inputs 2 inputs One suitable for detectors
and call points and one for call
points only

Output relay rating 24V DC 1.0A max

Sounder circuit rating 400mA per circuit max

IP rating IP40

Input fault monitoring Open and short circuit monitored

(Triggering requires specific
resistance)

Power supply monitoring monitors external volt free fault

contact

2.19 ADDRESSABLE MANUAL FIRE ALARM STATIONS

They shall be double action, manual stations with normally

open, single-pole alarm contacts. Each station plate shall include
operating instructions in both Arabic and English.

The addressable manual station shall contain an addressable

circuitry to respond to signals from the FACP and shall report
alarm or trouble status changes.

The station shall be furnished for semi-flush mounting or surface

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24 OFFICE BLDG, EGYPT Electrical

mounting with matching back box.

2.20 AUTOMATIC DETECTORS (SMOKE, HEAT detector)

All detectors shall have built-in microprocessor and to have

capability to. Store predefined algorithms to be remotely
controlled and selected. Each detector shall have the following
facilities:
- Automatic day and night sensitivity
- Automatic drift compensation
- Dirt detector reporting
- Ground fault detection
- Internal self-diagnosis
- Self-learning
- Remotely addressable
- Data line powered (No separate power line required)

The detectors shall obtain their operating power from the fire
alarm panel through the same supervised signaling detection
loop.

To minimize nuisance alarms, voltage, EM and RF transient

suppression techniques shall be employed as well as an insect
screen. All detector designs shall provide full solid-state
construction and compatibility with other normally open fire
alarm detection loop devices, (heat, smoke, pull stations, etc.).
The detectors shall include automatic compensation of
environmental conditions and self test capability.

Each detector base or head shall have a flashing status indicating

LED for visual supervision. When the detector is actuated, the
flashing LED will latch on steady and at full brilliance until it is
reset by actuating, from the control panel, the reset switch.

Detectors shall be intelligent and connected with two wires.

Detectors shall be plug-in lockable with separate base, including

all addressable circuitry, connected with two (2) wires to the
panels and shall be self-adaptive to the system having the
possibility of address setting from the system.

Intelligent Addressable Smoke (photo) Detectors

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24 OFFICE BLDG, EGYPT Electrical

4The detector shall provide indication of the analog value

corresponding to detection of fire (smoke) to the FACP. The
detectors shall be continually monitored to detect any change in
sensitivity due to dirt or environmental conditions, which could
be corrected from the control panel within certain limits.
The detectors shall be sensitive to visible and invisible products
of combustion.

Intelligent Addressable Fixed Heat Detectors:

The required detector shall be fixed temperature heat detector.

The detector shall be static with threshold at 80°C ± 5°C

2.21 FIRE FIGHTER TELEPHONE

A fire fighter cabinet shall be installed at the exit locations to

allow fire fighters easy communication with the fire commanded
center.

The hand-set shall be enclosed in a red cabinet with lockable

door.

A part of the door shall be break glass, which allows access by

breaking the glass if the key is not available.

Each telephone shall have its own address.

2.22 ALARM STROBE LIGHTS

The strobe light shall be fire rated, flasher type with 15/75
candela, The strobe light shall be wall mounted. strobes meet or
exceed the illumination produced by the ADA-specified 75
candela (cd) strobe at 50 feet.

2.23 ALARM HORN

The horn shall be Fire Rated, multitone, electronic and it has SPL
up to 95 dBA and rated 2-15 watt. The horn shall be wall
mounted and may have built in strobe light.

2.24 JUNCTION BOXES AND FLOOR TERMINAL PANELS

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24 OFFICE BLDG, EGYPT Electrical

Fire rated junction boxes and floor terminal panels painted red
enamel with suitable number of terminals and of proper size to
hold wiring, both for immediate floor and floors above.

2.25 REPEATER PANEL

A repeater panel shall be connected to the FACP and installed in
the two main entrance of the building as indicated in drawings.
The repeater panels shall display all the states indicated on the
FACP. Repeater panels shall include LEDs, LCD and any other
required indicating facility & buttons.

2.26 INTERFACE BETWEEN THE BMS AND THE FIRE ALARM SYSTEM
The Main Fire Alarm Panel shall have a data port to enable the
transfer of information to the Management level Network. The
communication shall be uni-directional from the Main Fire Alarm
Panel to the Management Level Network only.

The start and end of any message shall be uniquely identified

and the message shall indicate the following information at
minimum:

1. Time
2. Date
3. Zone of incidence
4. Indication of whether it is a fire alarm, return to normal or
Fire Alarm System fault
5. In the event of a fire the Fire Alarm System shall communicate
a list of all equipment shut down and started by the Fire
Alarm System.

There shall be no transfer of data from the Management Level

Network to the Fire Alarm System.

The Fire alarm system shall automatically shut down all terminal
units and FCU serving the zone of incidence in the event of a fire
alarm and the BMS shall automatically restart equipment
following a return to normal message

2.27 TEST CHART INSTRUCTIONS

Fire alarm system test instructions chart mounted in lexan
enclosed frame assembly on control cabinet hinged door.
2.28 WIRING
Wire and cable for fire alarm systems shall be UL listed and

Section 284600 _ 24
24 OFFICE BLDG, EGYPT Electrical

labeled as complying with NFP A 70, Article 760.

Cable must be separated from any open conductors of power, or

Class 1 circuits, and shall not be placed in any conduit, junction
box or raceway containing these conductors.

All wire and cable shall be listed and/or approved by a

recognized testing agency for use with a protective signaling
system

Embedded conduits shall be UPVC and all surface conduits

including over false ceiling shall be hot Dipped Galvanized steel
(IMC) type. IMC conduits shall be used for floor interconnection
rises.

All fire alarm cables shall be Flame Retardant Low Smoke Zero
Halogen (LSZH).

The wiring which interconnects all addressable devices

(detectors, etc.) with control equipment shall be Flame
Retardant low smoke zero halogen twisted and shielded
according to the Manufacturers requirements, 1.5 mm2
minimum copper single core PVC insulated cables constituting
supervised Class A circuits of the appropriate style to meet the
alarm and trouble requirements in extreme fault condition.

Fire alarm wiring shall be UL approved. or equivalent, and shall

be in full compliance with the Codes and the requirements of
the fire alarm equipment Manufacturer.

The wiring of high current devices such as horns and speakers

shall be Flame Retardant low smoke zero halogen and according
to the manufacturer requirements, the cross section area shall
not be less than 2.0 mm' and shall not cause more than five
percent (5%) voltage drop.

All wiring shall be color coded and cabled. Junction boxes shall
be red coloredand-inc1ude wiring identification numbering.

Wires and cables shall provide sufficient resistance to the spread

of fire (according to NFPA) and generate no hazardous smoke to
human life.

Section 284600 _ 25
24 OFFICE BLDG, EGYPT Electrical

Wiring system shall include all indoor and outdoor wires and
cables necessary for complete fire alarm system. Including
control and supervisory circuits, interconnecting with other
related system (HVAC, etc.). Outgoing and returning conductors
are separately routed in each loop circuit.

2.29 FAULT ISOLATION MODULE:

Addressable fault isolation module shall be used in signal circuits

to indicate and isolate wiring faults.

Fault isolation modules shall be installed in order to help FACP to

allocate break in communication wiring.

Fault isolation shall be provided at riser and loop circuits and

loop circuits at locations not exceeding the maximum number of
devices in between according to manufacturer's requirements.

The minimum number of isolators allowed is one (I) for every

fifteen (15) device in the loop.

2.30 AUTOMATIC TELEPHONE DIALER (ATD)

ATD shall provide the system with automatic ability to dial a

remote fire fighting location and deliver pre-recorded
emergency message through a dedicated line. Message length
shall be of one (I) minute at least. Telephone dialer shall provide
message test speaker and a message test switch. The dialer shall
be provided with battery backup operation and programming
facility.

Section 284600 _ 26
24 OFFICE BLDG, EGYPT Electrical

PART 3 EXECUTION

3.1 EXAMINATION

Examine areas and conditions under which fire alarm system

shall be
installed. Do not proceed with work until unsatisfactory
conditions have been corrected in a manner acceptable to
installer.

3.2 INSTALLATION OF BASIC WIRING SYSTEM MATERIALS

Install wiring, raceways or conduits and electrical boxes and

fittings in accordance with Section 16050 "Basic Electrical
Materials and Methods" Clauses "Raceways", "Wires and
Cables" and "Electrical Boxes arid Fittings" for wiring of non-
power limited circuits.

Install-wiring of power-limited circuits in raceways or conduits or

exposed on wall or ceiling where properly protected. Use
conduit for runs through floors or in shaft ways to height of 2.30
m above floor. Provide cables in plenum spaces in metallic
raceways or with cable jackets approved for use in plenum
spaces.

Install wires and cables without splices. Make connections at

terminal strips in cabinets or at equipment terminals. Make
soldered splices in electronic circuits in control cabinets.

3.3 INSTALLATION OF FIRE ALARM SYSTEMS

Installation of equipment and devices that pertain to other

Works of the Contract shall be closely coordinated with the
appropriate trades.

The equipment manufacturer shall provide all necessary

assistance to its authorized, local representative to:

- Coordinate the selection of system equipment)

- Generate the system software programming
- Supervise the installation of the complete fire alarm system
- Perform a complete functional test of the system

Section 284600 _ 27
24 OFFICE BLDG, EGYPT Electrical

-Submit a written report to the Contractor attesting the proper

operation of the completed system.

Install fire alarm system as indicated, in accordance with

equipment manufacturer's written instructions and complying
with applicable portions of local standards of installation.

Complete wiring in accordance with manufacturer's

requirements. Color code wiring and install per manufacturer's
point-to-point wiring diagram.

Provide extra wiring or extra power supplies required to fulfill

any requirement for extra power such as in case of strobe lights.
In addition, provide extra or larger. size wiring to alleviate
voltage drops, which make device operate beyond voltage limits
for which it was designed. Determine above with manufacturer's
representative while equipment is being installed.

3.4 FIELD QUALITY CONTROL

3.4.1 Connection and Supervision: Make connections to panel under

manufacturer's supervision. Run wiring to main terminal cabinet
located adjacent to main fire alarm panel. Complete connections
from this cabinet to panel utilizing manufacturer's technicians.

3.4.2 System Test and Approval: Submit shop drawings for function and
operation only, pre-approved by authority having local
jurisdiction.
Prior to final acceptance of system, manufacturer of system
shall, in presence of the Contractor, Employer's representative
and Engineer's representative test each sensing or detection and
alarm device.

Submit copy of test results in duplicate after signed by

Employer's representative to the Engineer, Employer's insurance
company and local fire protection authority. Mount copy of
inspection record in lexan enclosed frame assembly on control
panel.

3.5 COORDINATION WITH OTHER DIVISIONS

Check for all other systems that must be coordinated and

Section 284600 _ 28
24 OFFICE BLDG, EGYPT Electrical

interfaced with fire the alarm system:

Control panels of the Air handling units of the HVAC system

END OF SECTION 284600

Section 284600 _ 29