Condenser Selection
Condenser Selection
TOWER REPLACEMENT
PROJECT SPECIFICATIONS
CONSTRUCTION DOCUMENTS
Submitted by:
RMF Engineering, Inc.
125 Town Park Drive, Suite 300
Kennesaw, Georgia 30144
(678) 810-0028
UNIVERSITY OF GEORGIA INDEX TO SPECIFICATIONS
MAIN LIBRARY COOLING TOWER REPLACEMENT
UNIVERSITY OF GEORGIA
MAIN LIBRARY COOLING TOWER REPLACEMENT
INDEX TO SPECIFICATIONS
Table of Contents
Section
Number Title
011000 SUMMARY
013300 SUBMITTALS
017900 TRAINING
099000 PAINTING
1
UNIVERSITY OF GEORGIA INDEX TO SPECIFICATIONS
MAIN LIBRARY COOLING TOWER REPLACEMENT
Section
Number Title
262813 FUSES
APPENDIX
2
UNIVERSITY OF GEORGIA SUMMARY
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and other Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section Includes:
A. The Work of Project is defined by the Contract Documents and consists of the following:
1. Demolition of the existing cooling tower (4-cells) located on the roof of the Main
Library. The condenser water pump in the mechanical room will also be removed.
2. Demolition of support steel and access platform for existing cooling tower cells.
3. A new cooling tower with 600 tons of capacity will be installed on the roof of the Main
Library.
4. New support steel and access platforms will be installed for the new cooling tower.
5. Two new condenser water pumps will be installed (one will be for redundancy).
6. The existing MCC will be expanded for the installation of the new pump starters.
7. Existing controls will be utilized for the control of the condenser pumps and cooling
towers.
B. Type of Contract:
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PART 1 – GENERAL
A. During the construction period the Contractor shall have partial use of the premise for
construction operations, including use of the site. The site and surrounding areas will be
occupied during construction. The contractor shall also coordinate access to occupied
spaces. Refer to Division 01 for more information. At no time will smoking be allowed
within the buildings or on the site.
A. The Owner reserves the right to occupy and to place and install equipment in completed
areas of the building, prior to substantial Completion provided that such occupancy does
not interfere with completion of the Work. Such placing of equipment and partial
occupancy shall not constitute acceptance of the total Work.
A. Activity Regulations
1. Ensure that Contractor personnel become familiar with and obey Campus
regulations including safety, fire, traffic and security regulations. Keep within the
limits of the work and avenues of ingress and egress.
B. Working Hours
1. Regular working hours shall consist of a 10 hour period between 7:00 a.m. and
5:00 p.m., Monday through Friday, excluding University holidays.
1. Work outside regular working hours requires Owner approval. During periods of
darkness, the different parts of the work shall be lighted in a manner approved by
the Owner. Make utility cutovers after normal working hours or on Saturdays,
Sundays, and University holidays unless directed otherwise. Multiple crews shall
be utilized as necessary to accommodate the allowed duration.
1. Contractor shall coordinate all aspects of crane or helicopter operation and timing
with UGA.
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A. The Contractor shall be working in existing buildings which will be partially occupied.
B. The existing buildings and their contents shall be kept secure at all times. Provide
temporary closures as required to maintain security as directed by the Engineer.
C. Provide dust covers or protective enclosures to protect existing work and owner
equipment that remains and Owner material located in the offices and classrooms during
the construction period.
D. Relocate movable furniture away from the Contractor's working area as required to
perform the work, protect the furniture, and replace the furniture in its original locations
upon completion of the work. Leave attached equipment in place, and protect it against
damage, or temporarily disconnect, relocate, protect, and reinstall it at the completion of
the work.
E. All existing tools, materials and shop devices that need to be moved or relocated will be
done so by others. The contractor shall coordinate this work with the University’s
construction manager.
A. Make utility cutovers (including tie-ins) and interruptions to existing utility systems after
normal working hours or on Saturdays, Sundays, and University holidays. Conform to
procedures required in the paragraph "Work Outside Regular Hours."
B. Ensure that new utility lines are complete, except for the connection, before interrupting
existing service.
C. Interruption to water, sanitary sewer, storm sewer, telephone service, electric service, air
conditioning, heating, fire alarm, compressed air, shall be considered utility cutovers
pursuant to the paragraph entitled "Work Outside Regular Hours."
D. The utility tie-in work and shut-downs shall be closely coordinated with the University
Project Manager. Contractor shall give the University Project Manager 21 calendar days
notice before shutting down electrical service. A schedule of work to be done during the
duration of the shut down shall be submitted by the contractor to the University Project
Manager. Multiple crews shall be utilized as necessary to accommodate the allowed
duration.
E. Existing isolation valves shall be utilized to isolate piping segments during construction.
The Contractor shall schedule with the Owner the time to exercise and verify the shutoff
capability of all isolation valves required to operate and perform during construction
activities prior to needing to rely on the valve(s) to hold for tie-in work. Any valve or
valves not allowing tight shutoff are to be immediately reported to the Engineer and
Owner so that they can witness the failed service of the shutoff valve. If a valve is found
to not provide tight shut-off service, the Engineer will provide further direction. This
may include replacing the failed valve or making a hot tap connection. It is the
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responsibility of the Contractor that testing of the existing valves occur early in the
construction activities so that proper planning can be made.
A. Electrical power required during construction shall be existing building power provided
by the owner as required for the work. Lighting shall be provided by the Contractor in all
spaces at all times where necessary for good and proper workmanship, for inspection, or
for safety.
A. The existing buildings and furnishings not indicated on the drawings or noted in the
specifications as being removed or altered shall be protected from damage during
construction of the project.
B. Any such furnishings damaged during the construction of the project shall be restored or
replaced to a condition equal to that existing at the time of the award of the contract.
D. At all times when work is not being performed on the project, lock all doors.
A. Contractor’s use of the site for construction operations shall be limited by the Owner's
requirements for daily operations, and the Owner's right to perform maintenance
operations with its own forces.
B. Conduct all operations with special attention to the safety of pedestrians and vehicles
adjacent to the site during the execution of the Contract.
C. Limit construction operations to the areas noted in the contract documents, and permitted
by law, ordinance, and permits. Pay particular attention to avoiding areas adjacent to the
site and to avoiding and protecting trees designated to remain.
E. Assume full responsibility for protection and safekeeping of materials, equipment and
ongoing Work on the site.
F. Obtain and pay for use of additional off-site storage or work areas needed for operations.
G. Use site, exclusively and completely, only for execution of Work of this Contract.
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A. The Contractor shall meet with the University prior to developing their detailed schedule
to discuss University concerns and schedules such as but not limited to major sporting
events, graduation, parents weekend, etc to minimize the disruption to these events. The
tie-ins will be scheduled on weekends and will not be scheduled when the outside
temperature is predicted to be below 50 degrees F by the National Weather Service. The
Contractor may need to install valves and pipe to allow for connections without
shutdowns.
B. The Contractor shall submit a detailed schedule using standard scheduling software such
as Primavera or Microsoft Project. The schedule shall include the four phases for the
work. To accommodate completion of all work within the period specified by the base
bid, the Contractor may submit, for Owner approval, a schedule of work in multiple
phases concurrently.
C. Public access to the buildings will be maintained and power and utility services shall not
be disrupted unless specifically scheduled.
D. Staff and handicapped access to the buildings will be required at all times. A safe passage
to properly exit the buildings and site will be provided at all times. Code required exit
lights will be maintained at all times.
E. The contractor shall cover and protect all furniture and furnishings in a manner
acceptable to the owner which may include rigid protection devices in conjunction with
water proof plastic covers. The owner will inspect and approve the protective covers prior
to start of construction.
F. Substantial completion will be considered obtained when the distribution piping has been
installed, tested, and is operational.
A. The Contractor will not be allowed to perform construction activities which could cause
noise or limit traffic in any way during major campus events such as home football
games, commencement, ceremonies, and other events. Refer to the Schedule of activities
on the University of Georgia website for dates.
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UNIVERSITY OF GEORGIA PROJECT MEETINGS
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PART 1 - GENERAL
1.1 SUMMARY
A. This Section specifies administrative and procedural requirements for project meetings
including but not limited to:
1. Pre-Construction Conference.
2. Coordination Meetings.
3. Progress Meetings.
A. After award of the contract but prior to commencement of any work at the site, meet with
the Owner and Engineer to discuss and develop a mutual understanding relative to the
administration of contract. The meeting shall be scheduled at the Project site or other
convenient location no later than 15 days after the Owner's written notice to proceed has
been issued and prior to commencement of construction activities. The value engineering
and safety program, preparation of the schedule prices, shop drawings, and other
submittals, scheduling programming, and prosecution of the work shall be discussed.
Major subcontractors who will engage in the work shall also attend.
B. Attendees
1. The owner, Engineer and their consultants, the Contractor and its superintendent,
major subcontractors, manufacturers, suppliers and other concerned parties shall
each be represented at the conference by persons familiar with and authorized to
conclude matters relating to the Work.
A. Conduct project coordination meetings at regularly scheduled times convenient for all
parties involved. Project coordination meetings are in addition to specific meetings held
for other purposes, such as progress meetings.
C. Contractor shall record meeting results, and within three days following each meeting,
distribute copies to everyone in attendance and to others affected by decisions or actions
resulting from each meeting.
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A. Conduct bi-weekly progress meetings at the Project site as required to maintain project
progress. Notify the Owner and Architect of scheduled meeting dates. Dates of meetings
will be coordinated with preparation of the payment requested.
B. Attendees
C. Agenda
1. Review and correct or approve minutes of the previous meeting. Review other
items of significance that could affect progress. Include topics for discussion as
appropriate to the current status of the Project.
1. The contractor shall review progress since the last meeting. Determine where each
activity is in relation to the Contractor's Construction Schedule, whether on time or
ahead or behind schedule. Determine how construction behind schedule will be
expedited; secure commitments from parties involved to do so. Discuss whether
schedule revisions are required to ensure that current and subsequent activities will
be completed within the Contract Time.
E. Review
1. Review the present and future needs of each entity present, including such items
as:
a. Interface requirements
b. Time
c. Sequences
d. Deliveries
e. Off-site fabrication problems
f. Access
g. Site utilization
h. Temporary facilities and services
i. Hours of Work
j. Hazards and risks
k. Housekeeping
l. Quality and Work standards
m. Change Orders
n. Documentation of information for payment requests
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F. Reporting
1. No later than 3 days after each meeting date, contractor shall distribute copies of
minutes of the meeting to each party present and to other parties who should have
been present. Include a brief summary, in narrative form, of progress since the
previous meeting and report.
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract including General and Special Conditions and
other Division 1 Specification Sections apply to this Section.
1.2 SUMMARY
A. This Section includes the requirements for preparation and submission of the following:
1. Construction schedule.
2. Schedule of values.
3. Monthly Reports.
A. The Contractor shall prepare, maintain and analyze a CPM schedule for all work associated
with the project. The project completion date shall be as set by the Supplementary Conditions
to the Contract.
B. Schedules shall have no activity with duration of more than twenty (20) working days, and all
durations shall be shown in working days. The Contractor shall allocate his bid manhours,
labor cost, material and equipment cost, and subcontractor cost to each schedule activity, and
shall submit this breakdown to the Designer for review and Owner's approval. The Designer
shall have the final decision on the amount allocated, and the Contractor shall comply
completely with his decision.
C. Schedule must include shutdown time frames for each mechanical room included in this
project.
D. The Contractor shall also minimize partial restraints to subsequent activities. Time extensions
or changes shall be incorporated into the schedule as separate activities with change numbers
identical to those shown on the Field Change order forms. The Contractor shall provide a list
of such activities to the Designer on a weekly basis for approval.
E. The Contractor shall, within fourteen (14) calendar days of the contract execution, complete,
check, and correct a CPM Preliminary Schedule for all activities and shall submit a PDF of this
schedule to the Designer for review. This submittal shall include all design, procurement,
construction, commissioning, performance testing, schedule restriction, tie-ins, interfaces,
operational testing activities, and demolition renovation. In addition, this submittal shall
accurately and proportionally include the Contractor’s allocation of estimated manpower and
cost to each activity, and shall clearly indicate the responsibility for each activity: for example,
Designer, Owner, Contractor, subcontractor, and so forth. Also any restraints which are
resource related shall be highlighted and well described by the Contractor. The Designer and
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the Owner will review this submittal, provide a written response within seven (7) calendar days
of receipt and shall then arrange a meeting to discuss the submittal with the Owner and
Contractor. The Contractor shall incorporate the comments from the Designer, and from the
review meeting into the schedule, and shall submit his Project Schedule to the Designer for
final review in the same format as his original submittal. This step shall be completed within
thirty (30) days of the contract execution. Once approved, the Project Schedule shall provide a
basis for determining the Contractor’s progress in meeting the contract requirements and shall
serve as the basis for evaluating time extensions.
G. The Contractor shall maintain a current update of the actual progress on the Project Schedule.
The Contractor shall issue updated schedules monthly (the date for update shall be set by
Designer) and shall shown actual work performed, actual man-hours expended and actual
progress achieved. The Contractor shall submit PDF’s to the Designer on monthly basis.
J. Phasing: On the schedule, show how requirements for phased completion to permit Work by
separate Contractors.
K. Work Stages: Indicate important stages of construction for each major portion of the Work,
including submittal review, testing, and installation.
L. Area Separations: Provide a separate time bar to identify each major construction area for each
major portion of the Work. Indicate where each element in an area must be sequenced or
integrated with other activities.
M. Revise construction schedule after each progress meeting, event, or activity where revisions
have been recognized or made. Coordinate issuance of updated construction schedule with
Designer.
A. Contractor shall develop a schedule of values and submit in accordance with Section 01300 -
SUBMITTALS within 14 days of final approval of construction schedule.
B. Preparation of the schedule of values shall be coordinated with the preparation of the
Contractor’s construction schedule.
C. Schedule of values shall include at least one line item for each specification schedule.
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G. Provide a separate line item in the schedule of values for each part of the work where payment
applications may include materials or equipment purchased or fabricated and stored but not yet
installed. Differentiate between items stored on-site and items stored off-site. Include
requirements for insurance and bonded warehousing, if required.
H. Update and resubmit the schedule of values prior to next payment application when change
orders or construction change directives result in a change in the Contract sum.
A. Contractor shall submit monthly construction progress report with each payment application.
The monthly report shall indicate the following project identification:
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submit the monthly progress report to the Designer along with his monthly payment request and
monthly progress schedule update.
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Special Conditions and
other Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes administrative and procedural requirements for submittals required for
performance of the Work, including but not limited to the following:
1. Submittal schedule.
2. Shop Drawings.
3. Product Data.
4. Samples.
5. Quality assurance submittals.
1.3 DEFINITIONS
A. Coordination Drawings show the relationship and integration of different construction elements
that require careful coordination during fabrication or installation to fit in the space provided or
to function as intended.
B. Field samples are full-size physical examples erected on-site to illustrate finishes, coatings, or
finish materials. Field samples are used to establish the standard by which the Work will be
judged.
A. Shop, detail design, erection and setting drawings, certificates, manufacturer's data, and
schedules required for work of various trades shall be checked before submission to the
Designer, as herein specified, by technically qualified employees of the Contractor for
accuracy, completeness and compliance with the contract requirements. All submittals shall
include the following statement and shall be signed by the Contractor:
1. By submitting these shop drawings, I represent that I approve and have determined and
verified all field measurements and quantities, field construction criteria, materials,
catalog numbers and similar data, and that I have reviewed and coordinated the
information in the shop drawings with requirements of the work and the Contract
Documents.
2. Submittals which do not bear the approval stamp of the Contractor or which in the
opinion of the Designer are incomplete, contain numerous errors or have only been
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checked superficially will be returned without review by the Designer. In such event, it
will be deemed that the Contractor has not complied with this specification section and
shall bear the risk of all delays to the same extent as if submittal was not made. Detail
design drawings or redesign to suit equipment purchased by Contractor shall be stamped
by a P.E. licensed in the State of Georgia.
B. The Contractor shall submit shop, erection or setting drawings, manufacturers data, and
schedules of various items of the work, whether or not such drawings or schedules are
specifically mentioned in the technical section of the specifications.
C. Drawings of work which involves more than one subcontractor shall be coordinated by the
Contractor and submitted to the Designer under one cover.
D. No items shall be fabricated, nor any portion thereof shipped to the site prior to receipt by the
Contractor of any applicable submittals bearing the Designer's "No Exceptions Taken" or
"Comments Noted" stamp only. Further only those submittals bearing the Designer's "No
Exceptions Taken" or "Comments Noted" stamp shall be maintained at the site for use by
workmen.
E. The Contractor is responsible for any delay caused by his failure to observe these requirements,
and the time for completion of his contract will not be extended because of such delays.
F. The Designer will review submittals within twenty (20) calendar days. Allow additional time if
the Designer must coordinate with subsequent submittals. Each submittal will be stamped and
marked by the Designer in one of the following ways:
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J. All submittals shall be accompanied by a letter of transmittal or transmittal form signed by the
Contractor. The Designer will not accept submittals received from sources other than the
Contractor. On the transmittal, record relevant information and requests for data. On the
transmittal, or separate sheet, record deviations from Contract Document requirements,
including variations and limitations.
K. The Contractor shall submit, for approval and record, complete lists or schedules, of all
proposed subcontractors and material and equipment suppliers, and of all proposed construction
names and/or catalog numbers of each item.
L. Submittal Preparation: Place a permanent label or title block on each submittal for
identification. Indicate the name of the entity that prepared each submittal on the label or title
block.
1. Provide a space approximately 4 by 5 inches on the label or beside the title block on Shop
Drawings to record the Contractor's review and approval markings and the action taken.
2. Include the following information on the label for processing and recording action taken.
a. Project name.
b. Date.
c. Name and address of the Contractor.
d. Name and address of the subcontractor.
e. Name and address of the supplier/manufacturer.
f. Number and title of appropriate Specification Section.
g. Drawing number and detail references, as appropriate.
h. Prime Contractor shop drawing approval stamp in accordance with Paragraph
1.4.A of this Section.
1.5 SUBMITTAL SCHEDULE
1. Coordinate Submittal Schedule with the list of subcontracts, Schedule of Values, and the
list of products as well as the Contractor's Construction Schedule.
2. Prepare the schedule in chronological order. Provide the following information:
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1. When revisions are made, distribute to the same parties and post in the same locations.
Delete parties from distribution when they have completed their assigned portion of the
Work and are no longer involved in construction activities.
C. Schedule Updating: Revise the schedule after each meeting or activity where revisions have
been recognized or made. Issue the updated schedule concurrently with the report of each
meeting.
A. For each drawing required, submit PDFs to the Designer and Owner along with (5) hard copies
to the Owner.
B. Submit newly prepared information drawn accurately to scale. Highlight, encircle, or otherwise
indicate deviations from the Contract Documents. Do not reproduce Contract Documents or
copy standard information as the basis of Shop Drawings. Standard information prepared
without specific reference to the Project is not a Shop Drawing. Each drawing shall have
marked thereon proper descriptive title, manufacturer's project and sheet number, name of
project for which submitted, name of building, exact location where material covered by such
drawing is to be used, the equipment number and the number of the specification division and
section in which the item or material is specified.
C. All shop drawings shall be prepared in english units. Metric dimensions shall not be
permissible. Shop drawings shall be prepared on A, B, C or E size drawing sheet.
D. Shop Drawings include fabrication and installation Drawings, setting diagrams, schedules,
patterns, templates and similar Drawings. Include the following information:
1. Dimensions.
2. Identification of products and materials included by sheet and detail number.
3. Compliance with specified standards.
4. Notation of coordination requirements.
5. Notation of dimensions established by field measurement.
6. Do not use Shop Drawings without an appropriate final stamp indicating action taken.
1.7 MANUFACTURER'S PRODUCT DATA
A. When the submission of manufacturer's data is required by the technical specification sections
or requested by the Designer, the Contractor shall submit for review, PDF copies of
certificates, schedules, catalog cuts, manufacturer's specifications and installation instructions
for each type of product or material to the Designer and to the Owner along with (5) hard
copies to the Owner. Include maintenance recommendations and other reports when applicable
to show compliance with the specifications to the Designer.
B. Collect Product Data into a single submittal for each element of construction or system.
Product Data includes printed information, such as manufacturer's installation instructions,
catalog cuts, standard color charts, roughing-in diagrams and templates, standard wiring
diagrams, and performance curves.
1. Mark each copy to show applicable choices and options. Where printed Product Data
includes information on several products that are not required, mark copies to indicate the
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applicable information. Items that are not so identified will be returned to the Contractor
without action. Include the following information:
2. Do not submit Product Data until compliance with requirements of the Contract
Documents has been confirmed.
3. Distribution: Furnish copies of final submittal to installers, subcontractors, suppliers,
manufacturers, fabricators, and others required for performance of construction activities.
Show distribution on transmittal forms.
a. Do not proceed with installation until a copy of Product Data is in the Installer's
possession.
b. Do not permit use of unmarked copies of Product Data in connection with
construction.
4. Some sections of this Specification include tabulation sheets that are to be filled out by
the Contractor and submitted with the specific equipment submittal. Without a
completed tabulation sheet, the submittal is considered incomplete and will not be
reviewed by the Designer. The tabulation sheets are going to be incorporated into the
Operation and Maintenance manuals specified in Section 017823 - OPERATION AND
MAINTENANCE DATA. Therefore, all tabulation sheets will be required to be
resubmitted until the reply of "NO EXCEPTIONS TAKEN" is issued for the tabulation
sheets.
1.8 SAMPLES
A. Submit one (1) full-size, fully fabricated Samples cured and finished as specified and physically
identical with the material or product proposed. Samples include partial sections of
manufactured or fabricated components, cuts or containers of materials, color range sets, and
swatches showing color, texture, and pattern.
A. The Contractor shall furnish to the Designer and Owner PDF copies along with (5) hard copies
to the Owner of all code documentation (ASME stamps, Welder certifications, etc.) for review.
A. Where required by the individual specification section, the Contractor shall submit to the
Designer and Owner PDF copies along with (5) hard copies of each test report. The test report
shall identify the results and indicate compliance with the contract specifications. The test
report shall clearly identify all test procedures employed. Each report shall include an
executive summary that states the purpose of test, results and compliance with the
specifications.
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PART 1 - GENERAL
A. Contract Drawings and general provisions of the Contract, including General and Special
Conditions and other Division 1 Specification Sections, apply to this Section.
B. Publication Dates: Refer to Article 43 of the Instructions to Bidders and General Conditions of
the Contract.
C. Conflicting Requirements: Where compliance with two or more standards is specified and the
standards establish different or conflicting requirements for minimum quantities or quality
levels, comply with the most stringent requirement. Refer uncertainties and requirements that
are different but apparently equal to the Designer for a decision before proceeding.
1. Minimum Quantity or Quality Levels: The quantity or quality level shown or specified
shall be the minimum provided or performed. The actual installation may comply exactly
with the minimum quantity or quality specified, or it may exceed the minimum within
reasonable limits. To comply with these requirements, indicated numeric valves are
minimum or maximum, as appropriate, for the context of the requirements. Refer
uncertainties to the Designer for a decision before proceeding.
D. Copies of Standards: Each entity engaged in construction on the Project must be familiar with
industry standards applicable to its construction activity. Copies of applicable standards are not
bound with the Contract Documents.
1. Where copies of standards are needed to perform a required construction activity, the
Sub-Contractor shall obtain copies directly from the publication source and make them
available on request.
E. Abbreviations and Names: Trade association names and titles of general standards are
frequently abbreviated. Where abbreviations and acronyms are used in the Specifications or
other Contract Documents, they mean the recognized name of the trade association, standards-
generating organization, authorities having jurisdiction, or other entity applicable to the context
of the text provision. Refer to Gale Research’s “Encyclopedia of Associations” or Columbia
Books’ “National Trade & Professional Associations of the U.S.”, which are available in most
libraries.
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F. Abbreviations and Names: Trade association names and titles of general standards are
frequently abbreviated. The following abbreviations and acronyms, as referenced in the
Contract Documents, mean the associated names. Names and addresses are subject to change
and are believed, but are not assured, to be accurate and up-to-date as of the date of the Contract
Documents.
AI Asphalt Institute
Research Park Dr.
P.O. Box 14052
Lexington, KY 40512-4052 (606) 288-4960
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FM Factory Mutual
1151 Boston-Providence Tnpk.
P.O. Box 9102
Norwood, MA 02062 (617) 762-4300
GA Gypsum Association
810 First St., NE, Suite 510
Washington, DC 20002 (202) 289-5440
HI Hydraulic Institute
9 Sylvan Way
Parsippany, NJ 07054-3802 (973) 267-9700
HI Hydronics Institute
P.O. Box 218
35 Russo Pl.
Berkeley Heights, NJ 07922 (908) 464-8200
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UNIVERSITY OF GEORGIA REFERENCE STANDARDS
MAIN LIBRARY COOLING TOWER REPLACEMENT
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UNIVERSITY OF GEORGIA REFERENCE STANDARDS
MAIN LIBRARY COOLING TOWER REPLACEMENT
212009.A0 014200-7
UNIVERSITY OF GEORGIA REFERENCE STANDARDS
MAIN LIBRARY COOLING TOWER REPLACEMENT
CS Commercial Standard
(U.S. Department of commerce)
Government Printing Office
Washington, DC 20402 (202) 512-1800
212009.A0 014200-8
UNIVERSITY OF GEORGIA REFERENCE STANDARDS
MAIN LIBRARY COOLING TOWER REPLACEMENT
c/o NIST
Gaithersburg, MD 20899 (301) 975-4036
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UNIVERSITY OF NORTH CAROLINA PROJECT CLOSEOUT
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of Contract, including General and Special Conditions and
other Division-1 Specification Sections, apply to this Section. The requirements of this section
are in addition to the General Conditions.
1.2 SUMMARY
A. This Section specifies administrative and procedural requirements for project closeout,
including but not limited to:
1. Inspection procedures.
2. Project record document submittal.
3. Operating and maintenance manual submittal.
4. Submittal of warranties.
5. Final cleaning.
B. Other closeout requirements for specific construction activities are included in the appropriate
Sections in Divisions-2 through -15.
1. Submit the following for approval prior to submitting an application for payment that
shows the work 80% complete and prior to requesting a final review for certification of
Substantial Completion:
1. Submit, also at 80% billing, a complete set of legible Contractor approved, Engineer
reviewed, shop drawings folded up in cardboard file storage boxes and a PDFs of each
shop drawing. Organize using expandable file folder pouches. Index pouch tabs with
each specification section’s submission numerically, beginning with Division 1. Include
typed listing of all Shop Drawings in transmittal boxes.
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1. Project Observation Reports: Contractor will maintain a 3-ring binder of Engineer’s field
reports at the site. Contractor must have previously documented correction of each item
by initialing approval, dating, and sending Engineer copy of initialed items. Final review
for Substantial Completion will not be scheduled until all reported items are in
compliance.
2. Contractor’s Individual Room Finish Quality Assurance Checklist: Contractor will
maintain a record of finish installation status with approvals at each room when door
frame is installed. Quality Assurance Checklist is to be posted on each door frame.
Maintain back-up copy in field office and at Engineer’s office. Update and distribute
changes weekly. Organize in CSI MasterFormat divisions. List will include room
number, date posted, all finishes, subcontractor initialed approval and date as well as
Contractor initialed approval and date. Provide adequate space to document incomplete
or non-complying finish notes. Do not remove checklist until final acceptance and furnish
copy to Engineer indicating all work complete.
3. Contractor’s Final Review: Contractor shall fully inspect the work with Contractor’s
project manager, superintendent and subcontractor’s managers to verify that the work is
ready for Engineer’s final review.
4. Contractor will submit Individual Room Finish Quality Assurance Checklists to the
Engineer. Contractor will inspect exterior of building and issue typewritten punchlist.
Contractor must correct each non-complying item. Contractor will document correction
of each item by initialing approval, dating, and sending Engineer copy of initialed items.
It is the Contractor’s responsibility to manage the proper structural and technical
installation of all exposed finishes. The Contractor must also assure the quality of the
workmanship of all finishes. Do not wait, for or attempt to, use Engineer’s final review to
identify unacceptable quality workmanship. Attempts to substitute Engineer’s final
review in lieu of Contractor quality assurance will subject Contractor to possible
increased retainage, backcharging of corrective work by others to Contractor, Owner
delay claims and termination.
5. In the Application for Payment that coincides with, or first follows, the date Substantial
Completion is claimed, show 100 percent completion for the portion of the Work claimed
as substantially complete. Include supporting documentation for completion as indicated
in these Contract Documents and a statement showing an accounting of changes to the
Contract Sum.
a. If 100 percent completion cannot be shown, include a list of incomplete items, the
value of incomplete construction, and reasons the Work is not complete.
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10. Deliver tools, spare parts, extra stock, and similar items.
11. Make final change-over of permanent locks and transmit keys to the Owner. Advise the
Owner's personnel of change-over in security provisions.
12. Complete start-up testing of systems, and instruction of the Owner's operating and
maintenance personnel. Discontinue or change over and remove temporary facilities
from the site, along with construction tools, mock-ups, and similar elements.
13. Complete final clean up requirements, including touch-up painting. Touch-up and
otherwise repair and restore marred exposed finishes.
B. Final Review Procedures: The Engineer will perform one continuous final review when the
contractors have completed all the work, their own review, and have requested a final review.
On receipt of a request for inspection, the Engineer will either proceed with inspection or
advise the Contractor of unfilled requirements. The Engineer will prepare the Certificate of
Substantial Completion following inspection, or advise the Contractor of construction that must
be completed or corrected before the certificate will be issued. Results of the final review will
form the punchlist.
1. Incomplete work by the Contractor or work that is not of quality in the opinion of the
Engineer will delay the final review until that work is completed or corrected throughout.
The Engineer performing routine field reviews will be the sole judge of readiness for the
final review. Routine field reviews by the Engineer and/or a final review of a pre-
arranged sample building area will identify incomplete or non-complying items, all of
which must be corrected throughout entire contract area prior to requesting a final review.
2. The final review will be a single continuous effort. Contractor shall have all finishes
complete, building clean, roof complete, windows in place and all plumbing, fire
protection, mechanical and electrical systems completely operational. Contractor shall
provide ladders, scaffolds, keys, drop cord lights, swing stages or other equipment and
manpower necessary to complete the final review in a timely manner. Contractor’s
project manager and superintendent will accompany the Engineer at all times during the
final review. Contractor will identify each room by number on temporary tape on door
hinges. Tape will remain until every item on punchlist is corrected and then be removed
by Contractor. Contractor will bring bound field reports, specifications, addenda,
construction change directives, change orders and record prints along on final review.
Contractor will temporarily label non-complying finish areas on all surfaces for
correction and remove location marks after each item is approved at punchlist review.
3. Correct or complete all non-complying items.
4. Submit copies of the Engineer’s final punchlist of itemized work to be completed or
corrected. Contractor’s project manager or superintendent must inspect, approve and
initial completion or correction of each punchlist item.
5. Punchlist Review: The review of the punchlist will also be a single continuous effort.
Attempted reviews canceled due to incomplete compliance with the contract
requirements will be provided as an additional review at a backcharged cost to the
Contractor of $100.00 per hour for each review team member involved. Should three
items be incomplete or unsatisfactory the review will be terminated. The Contractor will
be backcharged for all hours expended for further review efforts.
1.5 FINAL ACCEPTANCE
A. Preliminary Procedures: Before requesting final inspection for certification of final acceptance
and final payment, complete the following. List exceptions in the request.
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1. Submit the final payment request with releases and supporting documentation not
previously submitted and accepted. Include certificates of insurance for products and
completed operations where required.
2. Submit an updated final statement, accounting for final additional changes to the Contract
Sum.
3. Submit final meter readings for utilities, a measured record of stored fuel, and similar
data as of the date of Substantial Completion, or when the Owner took possession of and
responsibility for corresponding elements of the Work.
4. Submit consent of surety to final payment.
5. Submit a final liquidated damages settlement statement.
6. Submit evidence of final, continuing insurance coverage complying with insurance
requirements.
7. Submit record Project Manual with all addenda and change order items neatly posted and
identified on or adjacent to each page.
8. Submit record drawings, final project photographs, damage or settlement survey and
similar final record information.
9. Deliver tools, spare parts, extra stock and similar items.
10. Make final change-over of permanent locks and transmit keys to Owner. Advise the
Owner’s personnel of change-over in security provisions.
11. Submit lien waivers (AIA Form G706 and G706A) in 16 Division format.
12. Deliver attic maintenance stocks and overruns of materials at one time to location(s)
designated by the Owner. Submit inventory lists and obtain written acceptance from the
Owner.
13. Complete equipment and operating and maintenance instruction and training of Owner’s
staff. Demonstrate: Emergency instructions, spare parts list, copies of warranties, wiring
diagrams, recommended turn around” cycles, inspection procedures, shop drawings and
product data, fixture lamping schedule, maintenance manuals, record documents, spare
materials, tools, lubricants, fuels, identification systems, control sequences, hazards,
cleaning, warranties and bonds, maintenance agreements and similar commitments, start-
up, shut-down, emergency operations, noise and vibration adjustments, safety procedures,
economy and efficiency adjustments and effective energy utilization. Document training
in a letter to Owner listing attendees, outlining instruction or training covered, and
questions answered.
14. Videotape equipment operating and maintenance instructions for items requested by
Owner. Provide two copies of videotape that is coordinated with required written or
graphic information and which demonstrates each item identified by Owner.
1.6 RECORD DOCUMENT SUBMITTALS
A. General: Do not use record documents for construction purposes; protect from deterioration
and loss in a secure, fire-resistive location; provide access to record documents for the
Engineer's reference during normal working hours.
B. Record Drawings: Maintain a clean, undamaged set of blue or black line white-prints of
Contract Drawings and Shop Drawings. Mark the set to show the actual installation where the
installation varies substantially from the Work as originally shown. Mark whichever drawing is
most capable of showing conditions fully and accurately; where Shop Drawings are used,
record a cross-reference at the corresponding location on the Contract Drawings. Give
particular attention to concealed elements that would be difficult to measure and record at a
later date.
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UNIVERSITY OF NORTH CAROLINA PROJECT CLOSEOUT
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1. Mark record sets with red erasable pencil; use other colors to distinguish between
variations in separate categories of the Work.
2. Mark new information that is important to the Owner, but was not shown on Contract
Drawings or Shop Drawings.
3. Note related Change Order numbers where applicable.
4. Organize record drawing sheets into manageable sets, bind with durable paper cover
sheets, and print suitable titles, dates and other identification on the cover of each set.
C. Record Specifications: Maintain one complete copy of the Project Manual, including addenda,
and one copy of other written construction documents such as Change Orders and
modifications issued in printed form during construction. Mark these documents to show
substantial variations in actual Work performed in comparison with the text of the
Specifications and modifications. Give particular attention to substitutions, selection of options
and similar information on elements that are concealed or cannot otherwise be readily discerned
later by direct observation. Note related record drawing information and Product Data.
1. Upon completion of the Work, submit record Specifications to the Engineer for the
Owner's records.
D. Record Product Data: Maintain one copy of each Product Data submittal. Mark these
documents to show significant variations in actual Work performed in comparison with
information submitted. Include variations in products delivered to the site, and from the
manufacturer's installation instructions and recommendations. Give particular attention to
concealed products and portions of the Work which cannot otherwise be readily discerned later
by direct observation. Note related Change Orders and mark-up of record drawings and
Specifications.
1. Upon completion of mark-up, submit complete set of record Product Data to the Engineer
for the Owner's records.
E. Record Sample Submitted: Immediately prior to the date or dates of Substantial Completion,
the Contractor will meet at the site with the Engineer and the Owner's personnel to determine
which of the submitted Samples that have been maintained during progress of the Work are to
be transmitted to the Owner for record purposes. Comply with delivery to the Owner's Sample
storage area.
PART 3 - EXECUTION
A. General: General cleaning during construction is required by the General Conditions and
included in Section "Cleaning Up".
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UNIVERSITY OF NORTH CAROLINA PROJECT CLOSEOUT
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B. Cleaning: Employ experienced workers or professional cleaners for final cleaning. Clean each
surface or unit to the condition expected in a normal, commercial building cleaning and
maintenance program. Comply with manufacturer's instructions.
1. Complete the following cleaning operations before requesting inspection for Certification
of Substantial Completion.
D. Removal of Protection: Remove temporary protection and facilities installed for protection of
the Work during construction.
E. Compliance: Comply with regulations of authorities having jurisdiction and safety standards
for cleaning. Do not burn waste materials. Do not bury debris or excess materials on the
Owner's property. Do not discharge volatile, harmful or dangerous materials into drainage
systems. Remove waste materials from the site and dispose of in a lawful manner.
1. Where extra materials of value remaining after completion of associated Work have
become the Owner's property, arrange for disposition of these materials as directed.
212009.A0 017700 - 6
UNIVERSITY OF GEORGIA O&M DATA
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Special Conditions and
other Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes administrative and procedural requirements preparing and submitting
operation and maintenance manuals for mechanical and electrical equipment and control
systems.
B. Appropriate Sections of Divisions 2 through 16 specify special operation and maintenance data
requirements for specific pieces of equipment.
1. Prior to preparing and submitting the Operation and Maintenance Manual the Sub-
Contractor shall submit a type written outline for the manual. The outline shall identify
all components to be included in the Operation and Maintenance Manuals. Once this
outline is approved sections shall not be added or deleted without written approval from
the Designer.
B. Operation and Maintenance Manual - Review Copies:
1. Submit a PDF file of the Operation and Maintenance Manual to the Designer for review
by the Designer and Owner. The Designer will return file to the Sub-Contractor through
the Construction Manager within fourteen (14) days, with comments. The Sub-
Contractor shall make corrections or modifications to comply with the Designer's
comments.
C. Operation and Maintenance Manual - Final Copies:
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UNIVERSITY OF GEORGIA O&M DATA
MAIN LIBRARY COOLING TOWER REPLACEMENT
1. Submit two (2) hard copies and one (1) PDF file of the final Operation and Maintenance
Manual to the Owner. The final Operation and Maintenance Manual shall be submitted
with the final payment application.
1.5 FORMAT OF OPERATION AND MAINTENANCE MANUAL
A. Operation and Maintenance Manual shall be organized into heavy duty, commercial-quality, 3-
ring vinyl-covered, loose-leaf binders, in thickness necessary to accommodate contents, sized to
receive 8-1/2-by-11-inch paper. Appropriate number of binders shall be provided to
accommodate all of the Operation and Maintenance Information. The cover for each volume
shall include the following information:
D. Where Maintenance Manuals require written material, use the manufacturer's standard printed
material. If manufacturer's standard printed material is not available, provide specially
prepared data neatly type written on 8-1/2-by-11-inch white bond paper.
E. Where Maintenance Manuals require drawings or diagrams, provide reinforced, punched binder
tabs on drawings and bind in the text. Where oversize drawings are necessary, fold drawing to
the same size as text pages and use as a fold out. If drawings are too large to be used
practically as a foldout, place the drawing neatly folded in a protective plastic jacket.
Allowable drawing sizes include A, B, C, and E size.
F. Binders shall be cross referenced where necessary to provide essential information for proper
operation or maintenance of the piece of equipment.
A. All of the information provided in the Operation and Maintenance Manual shall be specific to
the equipment provided. Operation and Maintenance Manual information shall not be generic.
Where the manuals include manufacturer's standard printed data, include only sheets that are
pertinent to the part or product installed. Mark each sheet to identify each part or product
included in the installation. Identify data that is applicable to the installation and delete
references to information that is not applicable.
B. In addition the information specified in the individual specification sections the following
information shall be provided for each component.
1. Name of Equipment
2. Equipment Number
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UNIVERSITY OF GEORGIA O&M DATA
MAIN LIBRARY COOLING TOWER REPLACEMENT
3. Name, Address and Phone Number for Manufacturer's Representative responsible for
aftermarket equipment support.
4. Model Number
5. Serial Number
6. Purchase Order Number
7. Operating Instructions
8. Start-up/Shut Down Procedures
9. Emergency Instructions
10. Wiring Diagrams
11. Inspection and Test Procedures
12. Preventive Maintenance Procedures and Schedules
13. Precautions Against Improper Use and Maintenance
14. Copies of Warranties
15. Repair Instructions Including Spare Parts Listing
16. Lubrication Charts indicating quantity of lubricant, frequency of lubrication and type of
application.
17. Factory or authorized agent completed and signed start-up certification documentation.
C. Prepare written text to provide necessary information where manufacturer's standard printed
data is not available, and the information is necessary for proper operation and maintenance of
equipment or systems. Prepare written text where it is necessary to provide additional
information or to supplement data included in the manual. Organize text in a consistent format
under separate headings for different procedures. Where necessary, provide a logical sequence
of instruction for each operation or maintenance procedure.
D. Operation and Maintenance Manuals shall include drawings and illustration to illustrate
operating and maintenance procedures. Copies of original project record documents shall be
used as part of Operation and Maintenance Manuals as required.
E. Provide a copy of each warranty bond or service contract in the appropriate manual for the
information of the Owners operating personnel. Provide written data outlining procedures to
follow in the event of product failure. List circumstances and conditions that would affect
validity of warranty or bond.
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UNIVERSITY OF GEORGIA RECORD DOCUMENTS
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Special Conditions and
other Division 1 Specification Sections, apply to this Section. Article 6 of the General
Conditions and revisions to Article 6 as indicated in the Supplementary General Conditions of
the contract apply to this Section.
1.2 SUMMARY
A. This Section includes administrative and procedural requirements for preparing and
maintaining record documents.
A. Refer to General Conditions and Supplementary General Conditions for final inspection
requirements.
A. General: Do not use record documents for construction purposes. Protect record documents
from deterioration and loss in a secure, fire-resistant location. Provide access to record
documents for the Designer's reference during normal working hours.
B. Record Drawings: Maintain a clean, undamaged set of blue or black line white-prints of
Contract Drawings and Shop Drawings. Mark the set to show the actual installation where the
installation varies from the Work as originally shown. Mark which drawing is most capable of
showing conditions fully and accurately. Where Shop Drawings are used, record a cross-
reference at the corresponding location on the Contract Drawings. Give particular attention to
concealed elements that would be difficult to measure and record at a later date.
1. Mark record sets with red erasable pencil. Use other colors to distinguish between
variations in separate categories of the Work.
2. Mark new information that is important to the Owner but was not shown on Contract
Drawings or Shop Drawings.
3. Note related change-order numbers where applicable.
4. Where existing plans can not clearly show as-built condition, provide separate drawings
to clearly and accurately reflect the as built condition.
C. Record Specifications: Maintain one complete copy of the Project Manual, including addenda.
Include with the Project Manual one copy of other written construction documents, such as
Change Orders and modifications issued in printed form during construction.
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UNIVERSITY OF GEORGIA RECORD DOCUMENTS
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UNIVERSITY OF GEORGIA TRAINING
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Special Conditions and
other Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes administrative and procedural requirements for technical training
associated with newly installed equipment. The Contractor shall provide a complete and
organized training program for the total project to train the Owner's operating and maintenance
personnel and engineering staff.
1.4 SUBMITTALS
C. Training Manuals: Submit one set of training manuals to the Designer for the Owner's review
and approval thirty (30) calendar days prior to commencement of training.
A. Training shall be provided for approximately eight (8) individuals. The staff to be trained
includes operations, maintenance, instrumentation and control and engineering staff.
A. All training shall be held at the UGA Physical Plant or campus facility. The owner shall
provide meeting rooms for classroom training. Training shall be performed for the new cooling
tower and pumps as described in divisions 23 and 26.
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UNIVERSITY OF GEORGIA TRAINING
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A. The Contractor shall prepare training manuals to facilitate the training process. The Contractor
shall be permitted to use Operating and Maintenance manuals for training. Ten (10) sets of
training manuals shall be provided.
B. The Contractor shall be responsible for providing audio visual equipment to facilitate training.
UGA will provide a projector screen, television and video cassette recorder if required.
A. The Contractor shall structure training to provide 2 complete training sessions for the purpose
of permitting the Owner to schedule his shift personnel into 2 groups of approximately 10
people per program. Each 10-person group will include operating and maintenance personnel,
instrumentation and control technicians and staff engineers.
B. The Contractor shall allocate 4 hours of training for each training session for a total of 8 hours
of staff training.
D. Instruction shall include both classroom and hands-on training. Classroom training shall
include but not be limited to an overview of the equipment, operating procedures, maintenance
procedures, trouble shooting and a review of the Operation and Maintenance Manual content.
During hands on instruction the instructor shall identify all of the operational and maintenance
characteristics of the equipment.
1. Start-up
2. Shutdown
3. Emergency Operations
4. Safety Procedures
5. Routine Maintenance Procedures and Adjustments
F. The Contractor shall furnish as part of his training program manuals lubrication charts for each
piece of equipment. The lubrication charts shall include as a minimum the equipment number,
equipment description, manufacturers recommended lubricant, equivalent XX product, quantity
of lubricant, frequency of lube, and type of application. This chart shall be provided in a
printed format and on floppy disk. Software shall be Microsoft Excel spread sheet.
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UNIVERSITY OF GEORGIA GENERAL COMMISSIONING REQUIREMENTS
MAIN LIBRARY COOLING TOWER REPLACMENT
PART 1 GENERAL
1.01 DESCRIPTION
C. Commissioning is the systematic process of ensuring that all building mechanical systems
perform interactively according to the Owner's project requirements and the operational
requirements specified in other Divisions. The Commissioning Authority shall oversee and
coordinate equipment start-up, system performance, testing, adjusting, and balancing, control
system calibration, construction and system documentation, and Owner training.
D. Specific requirements of the commissioning process and responsibilities, duties, and obligations
of the Commissioning Authority are described in this Section. To accomplish these duties, the
Commissioning Authority shall coordinate his activities with other entities.
1.02 REFERENCES
1.03 DEFINITIONS
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UNIVERSITY OF GEORGIA GENERAL COMMISSIONING REQUIREMENTS
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6. Data logging - monitoring flows, currents, status, and pressures of equipment using stand-
alone recording equipment, separate from the control system. Additional monitoring may
be provided through the capabilities of the control system.
7. Deferred functional tests - functional tests that are performed after the date of substantial
completion, due to partial occupancy, equipment and seasonal testing requirements, design,
or other site conditions that do not allow meaningful testing of a system or piece of
equipment during the normal commissioning sequence.
8. Owner's project requirements - a dynamic document prepared by the Owner that provides
the explanation of the ideas, concepts and criteria that are considered to be critical to the
Owner’s expectations. It is initially the outcome of the programming and conceptual
design phases.
9. Factory testing - testing of equipment at the factory (or on-site) by factory personnel with
an Owner’s representative present.
10. Functional tests - tests of the dynamic function and operation of equipment and systems
using manual (direct observation) or monitoring methods. Functional testing is the
dynamic testing of systems (rather than just components) under full operation (e.g., the
chilled water pump is tested interactively with the chiller functions to determine if the
pump ramps up and down to maintain the differential pressure setpoint). Systems are
tested under various modes, such as during low cooling or heating loads, high loads,
component failures, unoccupied modes, varying outside air temperatures, fire alarm modes,
and power failure. The systems are run through the control system’s sequences of
operation and components are verified to respond properly. The Commissioning Authority
develops the functional test procedures in a sequential written form, coordinates, oversees
and documents the actual testing, which is performed by the Contractor. Functional tests
are performed after prefunctional checklists and start-up are complete.
11. Indirect indicators - indicators of a response or condition, such as a reading from a control
system screen reporting a damper to be 100% closed.
12. Manual tests - using hand-held instruments, immediate control system read-outs or direct
observation to verify performance (as opposed to analyzing monitored data taken over time
to make the “observation”).
13. Monitoring - the recording of parameters (flow, current, status, or pressure) of equipment
operation using data loggers or the trending capabilities of control systems.
14. Over-written value – manually overriding a sensor value in the control system to determine
the response of a system (e.g., changing the outside air temperature value from 50ºF to
75ºF to verify economizer operation). Also see “Simulated Signal.”
15. Owner-contracted tests - tests paid for by the Owner which the Commissioning Authority
does not oversee. These tests are not repeated during functional testing if properly
documented.
16. Phased commissioning - commissioning that is completed in phases (by floors, for
example) due to the size of the structure or other scheduling issues, in order minimize the
total construction time.
17. Prefunctional checklists - lists of items to inspect and elementary component tests to
conduct to verify proper installation of equipment, provided by the Contractor to the
Commissioning Authority. Prefunctional checklists are primarily static inspections and
procedures to prepare the equipment or system for initial operation (e.g., belt tension, oil
levels, labels affixed, gauges in place, sensors calibrated). However, some prefunctional
checklist items may entail simple testing of the function of a component, a piece of
equipment or system (such as measuring the voltage imbalance on a 3-phase pump motor).
The word prefunctional refers to testing to be accomplished prior to the formal functional
testing of the installed equipment. Prefunctional checklists augment and are often
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combined with the manufacturer’s start-up checklist. For most equipment, the Contractor
will execute the checklists.
18. Sampling - functional testing of only a fraction of the total number of identical or near
identical pieces of equipment.
19. Simulated condition – a condition that is artificially created for the purpose of testing the
response of a system (e.g., applying a hair dryer to a space temperature sensor to determine
the response of a variable volume terminal unit).
20. Simulated signal - disconnecting a sensor and using a signal generator to send an
amperage, resistance, or pressure to the transducer and control system to simulate a sensor
value.
21. Start-up - the initial starting or activating of dynamic equipment, including executing
prefunctional checklists.
22. Test, adjust, and balance - the process of measuring the actual flows of the air and hydronic
systems, adjusting these flows to the values required by the construction documents, and
documenting the results.
23. Trending - monitoring of equipment performance over a period of time, using data logging
equipment or the building control system.
1.04 COORDINATION
A. The Commissioning Authority shall direct and coordinate the activities of the commissioning
team.
B. The commissioning team shall consist of the Commissioning Authority, the Owner, the design
team, the Contractor, and associated subcontractors.
C. Scheduling: the Commissioning Authority shall schedule the commissioning activities of the
Project and shall coordinate this schedule with the Contractor. Commissioning activities shall be
incorporated into the Contractor’s construction schedule.
A. The primary role of the Commissioning Authority shall be to develop and coordinate the
execution of a commissioning plan; observe and document the installation, check-out, start-up,
and testing of equipment and systems to establish that they are functioning in accordance with the
requirements of the construction documents; and to assist in developing correct and complete
documentation of the construction effort. The Commissioning Authority shall not be responsible
for design concept, design criteria, compliance with codes, design, construction scheduling, cost
estimating, construction management, or construction supervision. The Commissioning
Authority may assist the design team with problem-solving, or the Contractor with the correction
of non-conformance items or deficiencies. The Commissioning Authority is not responsible for
providing tools required to start, check-out and perform functional tests of equipment and
systems, except for specified testing with supplemental portable data-loggers, which shall be
supplied and installed by the Commissioning Authority.
B. Design Phase:
1. Develop and issue a Commissioning Plan that outlines the requirements of the project team
members as to their role in the commissioning process. The Commissioning Plan shall be
updated periodically throughout the duration of the project.
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C. Construction Phase: Ensure that the Project requirements, as defined by the construction
documents, are met, and achieve the following specific objectives:
1. Coordinate and direct the commissioning activities in a logical, sequential, and efficient
manner using centralized documentation, periodic communications, and consultations with
the commissioning team. Schedule additional commissioning meetings to plan, scope,
coordinate, schedule future activities, and resolve problems throughout construction.
2. Coordinate and participate in a Construction Phase Commissioning Kick-Off Meeting on
the project site to define the commissioning process including the roles and responsibilities
of each member of the commissioning team.
3. Participate in an on-site meeting led by the Construction Team to review the building
automation system submittal package.
4. Be responsible for the continuous updating, maintenance, revision, and coordination of the
commissioning activities as construction progresses, coordinate the commissioning, and,
with the Contractor, ensure that commissioning activities are included in the master project
schedule.
5. Provide to the Commissioning Authority submittals applicable to systems being
commissioned, including the Contractor’s proposed detailed start-up procedures,
concurrent with the Architect's reviews and provide comments to the Architect and the
Owner. The Commissioning Authority's review shall be for compliance with
commissioning needs, and to aid in the development of functional testing procedures and
only secondarily to review for compliance with equipment specifications.
6. Request and review additional information as required to perform the assigned
commissioning tasks, including review of operations and maintenance materials and
Contractor start-up and check-out procedures.
7. Develop specific functional test procedures and forms to document the proper operation of
each piece of equipment and system. Submit the proposed functional tests to the Architect
for review and approval approximately one (1) month prior to the functional testing period,
and provide a copy of the proposed functional test procedures to the Contractor who shall
review the proposed tests for feasibility, safety, and equipment warranty protection.
Required performance testing may include control system trending, stand-alone data logger
monitoring, and/or manual logging of system operation to demonstrate proper operation.
Functional test forms shall include (but not be limited to) the following information:
a. Date.
b. Project name.
c. System and equipment or component name(s).
d. Equipment location and identification number.
e. Unique test identification number and reference to unique prefunctional checklist
and start-up documentation identification numbers for the piece of equipment.
f. Participating parties.
g. A reference to the specification describing the specific sequence of operations or
parameters being tested or verified.
h. Formulae used in calculations.
i. Required pre-test field measurements.
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8. Witness part of the HVAC piping test and flushing procedure, sufficient to be confident
that the proper procedures were followed.
9. Review the Contractor’s completed start-up and prefunctional testing reports and provide
on-site observation of start-up and prefunctional testing as specified herein.
10. Review the proposed testing, adjusting, and balancing execution plan for completeness and
requirements of the commissioning process and provide comments to the Contractor,
Architect, and Owner.
11. Perform site visits through the completion of the Project, to review component and system
installations. Concurrently, schedule and conduct commissioning planning and
coordination meetings to review the construction progress and to assist in resolving
discrepancies or issues relating to the commissioning process. Issue Site Visit Reports and
Commissioning Observation Logs upon completion of each site visit and update the
Observation Log as deficiencies are resolved and verified as such.
D. Acceptance Phase: Demonstrate that the performance of the equipment and systems installed
during the construction phase meets the requirements of the construction documents. Notify the
Owner and Architect of deficiencies in results or procedures. Commissioning objectives include:
1. Review the Test, Adjust, and Balance (TAB) report for completeness and provide
comments as necessary.
2. Perform TAB verification to ensure the TAB report is accurate and meets the design
requirements. Verification will take place by spot testing, for at least 25% of TAB
measurements, during the TAB effort. Final approval of the TAB report resides with the
Design Team.
3. Coordinate, observes, and document functional performance testing of the commissioned
mechanical systems as performed by the installing contractors. Once the building
automation system has been pre-commissioned by the Construction Team, the TAB work
will be performed by the contractor; then the functional test will be executed. All new
mechanical equipment for the Project shall be tested at 100% sampling rate.
4. Coordinate retesting to demonstrate satisfactory performance subject to the following
limitations: Up to 10% of the commissioned mechanical equipment. Additional retesting
will be considered outside of the normal scope of services.
5. Review the O&M and as-built documentation for completeness and accuracy.
6. Review and approve the training plan and agendas proposed by the Construction Team.
The CA shall assist the Construction Team in the development of the training plan as
necessary. Verify they meet the contract document requirements. The CA has included one
(1) day on-site to provide CA-led training on systems operational intent and
troubleshooting.
7. Maintain a master commissioning deficiency and resolution log and a separate testing
record and provide written progress reports and test results with recommended corrective
actions for observed deficiencies.
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8. Prepare a summary commissioning report with all results and documentation from the
commissioning process, which shall include but not be limited to, site visit reports,
completed functional performance test procedures, and commissioning observation logs.
E. Warranty Period: Assist the Owner in identifying defects in the installed equipment or system
operation and in accomplishing the following specific objectives:
1. Review equipment warranties to ensure that the Owner’s responsibilities are clearly
defined.
2. Return to the site, approximately 10 months into the warranty period and review with the
Owner the current building operation and the condition of outstanding issues related to the
original and seasonal commissioning. Assist the Owner in reviewing the failure and repair
records of equipment during the warranty period and in the evaluation of the Contractor’s
corrective actions. Identify areas that may come under warranty or under the original
construction contract. Issue a warranty review report identifying warranty-related
deficiencies that require resolution by the Contractor and associated sub-contractors.
3. Conduct interviews with O&M Staff to address warranty-related deficiencies and to
establish responsible parties for those deficiencies. Interview key building occupants to
discuss level of comfort and identify potential operational issues. \
4. Perform Controls “trend logging” review and adjustments for selected major equipment
operation with maintenance personnel to review the installed equipment.
5. Complete a final commissioning issues log that includes all resolved and unresolved items.
PART 2 PRODUCTS
A. Data logging equipment, monitoring devices, specialized equipment, and software not specified
in other Divisions to be provided by the Contractor, and provided by the Commissioning
Authority to monitor, confirm, or verify the Contractor’s testing procedures shall remain the
property of the Commissioning Authority.
B. Test equipment shall be of the quality and accuracy required to test and/or measure system
performance with the tolerances specified and shall have been calibrated within the last 12
months, or as specified herein. Equipment shall be calibrated according to the manufacturer’s
recommended intervals and when dropped or damaged. Calibration tags shall be affixed or
certificates available on request.
1. Temperature sensors and digital thermometers shall have a certified calibration within the
past 12 months and a resolution of ±0.1ºF. Accuracy of temperature test equipment shall be
at least twice that of the instrumentation being tested.
2. Humidity sensors shall have a certified calibration within the past 6 months and a
resolution of ±1%. Accuracy of humidity test equipment shall be at least twice that of the
instrumentation being tested.
3. Pressure sensors shall have a certified calibration within the 12 months and a resolution of
0.05% of sensor range. Accuracy of pressure test equipment shall be at least twice that of
the instrumentation being tested.
4. Accuracy of other sensors shall be at least twice that of the instrumentation being tested.
PART 3 EXECUTION
3.01 REPORTING
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A. Provide regular reports to the Owner and members of the commissioning team as construction
and commissioning progresses, keeping them apprised of commissioning progress and scheduling
changes.
B. Provide periodic commissioning reports to the commissioning team monthly until the first system
test, and monthly thereafter until the completion of the Project. These reports shall include as a
minimum the following:
1. Minutes of the previous commissioning meeting.
2. Copies of requests for submittals by the Commissioning Authority.
3. List of upcoming commissioning activities, as noted on project schedule.
4. Copies of functional test requirements scheduled for the following 4 weeks.
5. A list of outstanding discrepancies and the party responsible for corrective action.
C. Provide a final commissioning report to the Owner. The final commissioning report shall contain
at a minimum:
1. Copies of periodic commissioning reports.
2. Copies of prefunctional test reports.
3. Copy of the final TAB Report.
4. Copies of functional test reports.
A. Contractor shall be responsible for the initial check-out and prefunctional testing of installed
equipment and systems. The Commissioning Authority shall monitor the activities of the parties
responsible for executing the required start-up, and prefunctional testing, as identified in the
commissioning plan. The Commissioning Authority shall review the Contractor-furnished
documentation of the start-up, initial check-out, and prefunctional test procedures for equipment
and systems to ensure that there is written documentation that each of the manufacturer-
recommended procedures have been completed.
B. Observe the first prefunctional test procedures for each type and size equipment to ensure that the
approved procedures are being followed.
A. Functional testing of equipment or systems shall be conducted only after prefunctional testing and
start-up has been satisfactorily completed. Schedule functional tests with the Contractor. Direct,
witness, and document the functional testing of equipment and systems to be commissioned. The
Contractor shall be responsible for the execution of the functional tests.
B. The functional testing shall demonstrate that each item of equipment and each system is operating
according to the requirements of the construction documents. Each item of equipment and
system undergoing functional testing shall be operated through all modes of operation where
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there is a required system response. Verify each action required in the sequences of operation has
been accomplished according to the requirements.
C. Functional testing shall proceed from components to subsystems to systems. When the proper
performance of interacting individual systems has been achieved, the interface or coordinated
responses between systems shall be tested.
D. The proper and accurate operation of the control system shall be proven by functional testing and
approved by the Commissioning Authority before it may be used for testing, adjusting and
balancing activities or to verify performance of other components or systems. If authorized by
the Commissioning Authority, portions of the control system may be tested and approved for
these uses before the functional testing of the entire system is completed.
E. Air and water balancing shall be completed and corrected as necessary before functional testing
of air-related or water-related equipment or systems.
F. Test Methods:
1. Functional testing and verification shall be achieved by manual testing (direct manipulation
of the equipment and observation of its response and performance) or by monitoring the
performance using the control system’s trend log capabilities or by stand-alone data
loggers and analyzing the results. Functional test procedures shall specify which methods
shall be used for each test. Determine which method is most appropriate for tests that do
not have a method specified. The Commissioning Authority may substitute specified
methods or require an additional method to be executed, other than that specified, if
required to demonstrate the proper operation of the equipment or system being tested.
Develop functional testing plans that define the allowable sampling procedures and that
specify the procedures to be followed in the case of observed discrepancies or failures in
the sample chosen for functional testing.
2. If any equipment fails to perform to the requirements of the construction documents
(mechanically or substantively) due to manufacturing defects or application error not
allowing it to meet its performance specification, identical units may be considered
unacceptable by the Commissioning Authority. In such case, the Contractor shall provide
the Commissioning Authority with the following:
a. After notification from the Commissioning Authority, the Contractor or
manufacturer’s representative shall examine other identical units making a record of
the findings. The findings shall be provided to the Commissioning Authority.
b. The Contractor shall provide a signed and dated, written explanation of the problem,
cause of failures, and proposed solution, including full equipment submittals for
corrective or replacement equipment, if appropriate. The proposed solutions shall
meet the specified requirements of the original installation.
c. The Commissioning Authority shall evaluate the proposed solution and submit his
recommendation of approval or disapproval to the Owner and Architect.
d. When approved, the proposed solution shall be installed by the Contractor and the
Commissioning Authority shall schedule and conduct functional testing of the
proposed solution. Upon completion of the functional testing of the proposed
solution, the Commissioning Authority shall recommend the acceptance or
disapproval of the proposed solution to the Owner. The Commissioning Authority
shall provide a copy of his recommendations to the Architect.
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e. Upon acceptance of the proposed solution by the Owner, the Contractor shall replace
or repair identical items and extend the warranty accordingly, if the original
equipment warranty had begun.
3. Ensure that each functional test is performed under conditions that simulate actual
operating conditions as closely as is practically possible.
4. Simulation of operating conditions (not by an overwritten value) shall be allowed, at the
Commissioning Authority’s discretion, though timing the testing to experience actual
conditions is encouraged wherever practical. Simulation of conditions shall be
accomplished by subjecting the equipment to actual operating conditions by artificial
means whenever possible.
5. Where actually achieving a simulated operating condition is impractical, as determined by
the Commissioning Authority or identified in the functional test procedure, a signal
generator which creates a simulated signal to test and calibrate transducers and DDC
constants shall be used instead of using the sensor to act as the signal generator via
simulated conditions or overwritten values. Signal generators or simulators shall be
provided by the Contractor.
6. Overwriting sensor values to simulate a condition, such as overwriting the outside air
temperature reading in a control system to be different than it really is, shall be allowed
when approved by the Commissioning Authority, but shall be used with caution and
avoided when possible. Simulation of the operating condition is preferable.
7. Altering setpoints: rather than overwriting sensor values, and when simulating conditions
is difficult, altering setpoints shall be used to test a sequence.
8. Indirect indicators: relying on indirect indicators for responses or performance shall be
allowed only after the Commissioning Authority has visually and directly verified that the
indirect readings represent actual conditions and responses over the range of the tested
parameters.
A. Prior to retesting of any functional performance test found to be deficient, submit the data
indicating that the deficient items have been completed and/or corrected to the Commissioning
Authority. After review of the submitted data, if the corrective measures are acceptable, the
Commissioning Authority shall schedule and conduct a recheck. If during the retesting it
becomes apparent that the deficient items have not been completed and/or corrected as indicated
in the data provided by the Contractor, the retesting shall be stopped. Costs for the
commissioning team to further supervise the retesting of a functional performance test shall be
the responsibility of the Contractor.
A. Witness and document the results of functional tests using the specific procedural forms
developed for that purpose. Deficiencies or nonconformance issues shall be noted and reported
with the test results. Include the completed test forms in the final commissioning report.
B. As functional testing progresses and a deficiency is identified, discuss the issue and attempt to
resolve the discrepancy with the Contractor.
1. When there is no dispute about the deficiency and the Contractor accepts responsibility for
correcting it, document the deficiency and the Contractor’s response and intentions and the
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C. Approval: note each satisfactorily demonstrated function on the functional test form. Formal
approval of the functional tests shall be made after review of the test reports by the
Commissioning Authority and Owner. Recommend acceptance of each test to the Owner using a
standard form. The Owner shall give final approval on each test using the same form, providing a
signed copy to the Commissioning Authority and the Contractor.
B. Schedule and coordinate any required seasonal testing, tests delayed until weather or other
conditions are suitable for the demonstration of the equipment or system’s performance.
Seasonal testing shall be executed, documented, and deficiencies corrected as specified herein for
functional testing. Any adjustments or corrections to the operations and maintenance manuals
and record documents required by the results of the testing shall be made before the seasonal
testing process is considered complete. Schedule deferred testing with the Contractor, the
Architect, and the Owner.
END OF SECTION
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PART 1 - GENERAL
A. Contract Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 01 Specification Sections, apply to work of this
Section.
1.2 SUMMARY
A. This Section specifies cast-in place concrete, including formwork, reinforcing, mix design,
placement procedures, and finishes.
1. Equipment pads.
1.3 SUBMITTALS
C. Material certificates in lieu of material laboratory test reports when permitted by the Engineer.
A. Codes and Standards: Comply with provisions of the following codes, specifications, and
standards, except where more stringent requirements are shown or specified:
1. American Concrete Institute (ACI) 301, "Specifications for Structural Concrete for
Buildings."
2. ACI 318, "Building Code Requirements for Reinforced Concrete."
3. Concrete Reinforcing Steel Institute (CRSI) "Manual of Standard Practice."
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B. Concrete Testing Service: The Owner shalll engage a Special Inspector (SI) responsible for
overseeing all the required inspections and material evaluation tests for the project. The
independent testing agency shall be acceptable to authorities having jurisdiction, qualified
according to ASTM C 1077 and ASTM E 329 to conduct the testing indicated, as documented
according to ASTM E 548. The contractor shall coordinate testing times and activities with the
Special Inspector.
C. Personnel conducting field tests shall be qualified as ACI Concrete Field Testing Technician,
Grade 1, according to ACI CP-1 or an equivalent certification program.
D. Materials and installed work may require testing and retesting at any time during progress of
Work. Retesting of rejected materials for installed Work, shall be done at Contractor's expense.
A. Deliver, store, and handle steel reinforcement to prevent bending and damage. Avoid damaging
coatings on steel reinforcement.
PART 2 - PRODUCTS:
A. Forms for Exposed Finish Concrete: Plywood, metal, metal-framed plywood faced, or other
acceptable panel-type materials to provide continuous, straight, smooth, exposed surfaces.
1. Use overlaid plywood complying with U.S. Product Standard PS-1 "A-C or B-B High
Density Overlaid Concrete Form," Class I.
2. Use plywood complying with U.S. Product Standard PS-1 "B-B (Concrete Form)
Plywood," Class I, Exterior Grade or better, mill-oiled and edge-sealed, with each piece
bearing legible inspection trademark.
B. Forms for Unexposed Finish Concrete: Plywood, lumber, metal, or another acceptable material.
Provide lumber dressed on at least two edges and one side for tight fit.
B. Supports for Reinforcement: Bolsters, chairs, spacers, and other devices for spacing,
supporting, and fastening reinforcing bars and welded wire fabric in place. Use wire bar-type
supports complying with CRSI specifications.
1. Reinforcing shall be supported on factory made chairs and not on bricks or other
miscellaneous devices.
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B. Aggregates:
D. Admixtures, General: Provide concrete admixtures that contain not more than 0.1 percent water
soluble chloride ions by mass of cementitious material and to be compatible with other
admixtures and cementitious materials. Do not use admixtures containing calcium chloride.
A. Absorptive Cover: Burlap cloth made from jute or kenaf, weighing approximately 9-oz./sq. yd.,
complying with AASHTO M 182, Class 2.
1. Waterproof paper.
2. Polyethylene film.
3. Polyethylene-coated burlap.
C. Epoxy Adhesive: ASTM C 881, two-component material suitable for use on dry or damp
surfaces. Provide material type, grade, and class to suit Project requirements and as follows:
1. Types IV and V, load bearing, for bonding hardened or freshly mixed concrete to
hardened concrete.
D. Bonding Agent: ASTM C 1059, Type II, non-redispersible, acrylic emulsion or styrene
butadiene.
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1. Injectable adhesive shall be used for installation of all reinforcing steel dowels to be
drilled in and embedded in concrete. Use HIT HY 150 MAX injection adhesive system
by Hilti Corp. or approved equal.
A. Prepare design mixes for each type and strength of concrete by either laboratory trial batch or
field experience methods as specified in ACI 301. For the trial batch method, an independent
testing agency is responsible for performing, preparing and reporting proposed mix designs.
B. Submit written reports to the Engineer of each proposed mix for each class of concrete at least
15 days prior to start of Work. Do not begin concrete production until proposed mix designs
have been approved by the Engineer.
C. Design mixes to provide normal weight concrete with the following properties as indicated on
drawings and schedules:
1. Interior concrete: 4000 psi, 28-day compressive strength; water-cement ratio, 0.45
maximum (non-air-entrained).
D. Slump Limits: Proportion and design mixes to result in concrete slump at point of placement as
follows:
2.6 ADMIXTURES
B. Use high-range water-reducing admixture in all pumped concrete. Pumping concrete without a
high-range water-reducing admixture is not permissible without prior consent of Engineer.
C. Use admixtures for water reduction and set accelerating or retarding in strict compliance with
manufacturer's directions.
1. When air temperature is between 85 deg F and 90 deg F, reduce mixing and delivery time
from 1-1/2 hours to 75 minutes, and when air temperature is above 90 deg F, reduce
mixing and delivery time to 60 minutes.
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PART 3 - EXECUTION
3.1 GENERAL
A. Coordinate the installation of joint materials, and other related materials with placement of
forms and reinforcing steel.
3.2 FORMS
A. General: Design, erect, support, brace, and maintain formwork to support vertical, lateral,
static, and dynamic loads that might be applied until concrete structure can support such loads.
Construct formwork so concrete members and structures are of correct size, shape, alignment,
elevation, and position. Maintain formwork construction tolerances and surface irregularities
complying with the following ACI 347 limits:
B. Construct forms to sizes, shapes, lines, and dimensions shown and to obtain accurate alignment,
location, grades, level, and plumb work in finished structures.
C. Chamfer exposed corners and edges as indicated, using wood, metal, PVC, or rubber chamfer
strips fabricated to produce uniform smooth lines and tight edge joints.
A. General: Comply with Concrete Reinforcing Steel Institute's recommended practice for
"Placing Reinforcing Bars," for details and methods of reinforcement placement and supports
and as specified.
B. Clean reinforcement of loose rust and mill scale, earth, ice, and other materials that reduce or
destroy bond with concrete.
C. Accurately position, support, and secure reinforcement against displacement. Locate and
support reinforcing by metal chairs, runners, bolsters, spacers, and hangers, as approved by the
Engineer.
E. Install welded wire fabric in lengths as long as practicable. Use sheet stock only. Lap adjoining
pieces at least one full mesh and lace splices with wire. Offset laps of adjoining widths to
prevent continuous laps in either direction.
3.4 JOINTS
A. Construction Joints: Locate and install construction joints where indicated on drawings.
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B. Use bonding agent on existing concrete surfaces that will be joined with fresh concrete.
A. General: Set and build into formwork anchorage devices and other embedded items required
for other work that is attached to or supported by cast-in-place concrete. Use setting drawings,
diagrams, instructions, and directions provided by suppliers of items to be attached.
B. Forms for Slabs: Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve
required elevations and contours in finished surfaces. Provide and secure units to support
screed strips using strike-off templates or compacting-type screeds.
A. General: Coat contact surfaces of forms with an approved, nonresidual, low-VOC, form coating
compound before placing reinforcement.
B. Do not allow excess form-coating material to accumulate in forms or come into contact with in-
place concrete surfaces against which fresh concrete will be placed. Apply according to
manufacturer's instructions.
A. Inspection: Before placing concrete, inspect and complete formwork installation, reinforcing
steel, and items to be embedded or cast in. Notify other trades to permit installation of their
work.
B. General: Comply with ACI 304, "Guide for Measuring, Mixing, Transporting, and Placing
Concrete," and as specified.
C. Deposit concrete continuously or in layers of such thickness that no new concrete will be placed
on concrete that has hardened sufficiently to cause seams or planes of weakness. If a section
cannot be placed continuously, provide construction joints as specified. Deposit concrete to
avoid segregation at its final location.
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A. Rough-Formed Finish: Provide a rough-formed finish on formed concrete surfaces not exposed
to view in the finished Work or concealed by other construction. This is the concrete surface
having texture imparted by form-facing material used, with tie holes and defective areas
repaired and patched, and fins and other projections exceeding 1/4 inch in height rubbed down
or chipped off.
A. General: Protect freshly placed concrete from premature drying and excessive hot
temperatures. In hot, dry, and windy weather protect concrete from rapid moisture loss before
and during finishing operations with an evaporation-control material.
B. Start initial curing as soon as free water has disappeared from concrete surface after placing and
finishing. Weather permitting; keep continuously moist for not less than 7 days.
1. Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in
widest practicable width with sides and ends lapped at least 3 inches and sealed by
waterproof tape or adhesive. Immediately repair any holes or tears during curing period
using cover material and waterproof tape.
A. Perform structural repairs with prior approval of the Engineer for method and procedure, using
specified epoxy adhesive and mortar.
A. General: The Special Inspector and/or their agent will perform tests and submit test reports.
The contractor shall coordinate testing times and activities with the Special Inspector.
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B. Sampling and testing for quality control during concrete placement includes the following, as
directed by the Engineer.
1. Testing Frequency: Obtain one composite sample for each day's pour of each concrete
mix exceeding 5 cubic yards.
2. Slump: ASTM C 143; one test at point of placement for each composite sample, but not
less than one test for each day's pour of each concrete mix. Perform additional tests when
concrete consistency appears to change.
3. Compression Test Specimens: ASTM C 31; cast and laboratory cure one set of five
standard cylinder specimens for each composite sample.
4. Compressive-Strength Tests: ASTM C 39; test two laboratory-cured specimens at 7 days
and two at 28 days. The fifth specimen will be kept as a spare. Do not break the fifth
specimen if both 28 day specimens met compressive strength requirements.
a. A compressive-strength test shall be the average compressive strength from two
specimens obtained from same composite sample and tested at age indicated.
5. When strength of field-cured cylinders is less than 85 percent of companion laboratory-
cured cylinders, evaluate current operations and provide corrective procedures for
protecting and curing the in-place concrete.
6. Strength level of concrete will be considered satisfactory if averages of sets of three
consecutive strength test results equal or exceed specified compressive strength and no
individual strength Test result falls below specified compressive strength by more than
500 psi.
C. Test results will be reported in writing to the Engineer and ready-mix producer, within 24 hours
after tests. Reports of compressive strength tests shall contain the Project identification name
and number, date of concrete placement, name of concrete testing service, concrete type and
class, location of concrete batch in structure, design compressive strength at 28 days, concrete
mix proportions and materials, compressive breaking strength, and type of break for both 7-day
tests and 28-day tests.
D. Additional Tests: The testing agency will make additional tests of in-place concrete when test
results indicate specified concrete strengths and other characteristics have not been attained in
the structure, as directed by the Engineer. Testing agency may conduct tests to determine
adequacy of concrete by cored cylinders complying with ASTM C 42, or by other methods as
directed. All additional tests of in-place concrete will be at the contractor’s expense.
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UNIVERSITY OF GEORGIA STRUCTURAL STEEL
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
1. Structural steel.
2. Grout.
1.3 DEFINITIONS
1.4 SUBMITTALS
1. Include details of cuts, connections, splices, camber, holes, and other pertinent da-
ta.
2. Indicate welds by standard AWS symbols, distinguishing between shop and field
welds, and show size, length, and type of each weld.
3. Indicate type, size, and length of bolts, distinguishing between shop and field bolts.
Identify pretensioned and slip-critical high-strength bolted connections.
C. Welding certificates.
D. Qualification Data: For firms and persons specified in the “Quality Assurance” Article to
demonstrate their capabilities and experience. Include lists of completed projects with
project names and addresses of Owners, and other information specified.
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E. Mill Test Reports: Signed by manufacturers certifying that the following products com-
ply with requirements:
A. Installer Qualifications: Engage installer who has completed structural steel work similar
in material, design and extent to that indicated for this project and with a record of suc-
cessful in-service performance. Submit the name and experience of the installer as well
as a listing of all their QC programs. Installer is subject to approval Engineer.
B. Fabricator Qualifications: Engage fabricator who has completed structural steel work
similar in material, design and extent to that indicated for this project and with a record of
successful in-service performance. Submit the name and experience of the fabricator as
well as a listing of all their QC programs. Fabricator is subject to approval Engineer.
C. Welding: Qualify procedures and personnel according to AWS D1.1, "Structural Weld-
ing Code--Steel."
A. Store materials to permit easy access for inspection and identification. Keep steel mem-
bers off ground and spaced by using pallets, dunnage, or other supports and spacers. Pro-
tect steel members and packaged materials from erosion and deterioration.
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1. Store fasteners in a protected place. Clean and relubricate bolts and nuts that be-
come dry or rusty before use.
2. Do not store materials on structure in a manner that might cause distortion, dam-
age, or overload to members or supporting structures. Repair or replace damaged
materials or structures as directed.
1.7 COORDINATION
PART 2 - PRODUCTS
F. High-Strength Bolts, Nuts, and Washers: ASTM A 325, Type 1, heavy hex steel struc-
tural bolts, heavy hex carbon-steel nuts, and hardened carbon-steel washers.
1. Anchor rod: Unless otherwise noted, all expansion anchors shall be ASTM A36
with ASTM A563, grade A nuts.
2. Stainless Steel Anchor Rods: ASTM F593(AISI 304) and ASTM F594 nuts.
Stainless steel anchor rods are noted on drawings.
3. Install anchor rods and adhesives according to manufacturers directions. Adhesive
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a. Hilti Corp.
b. ITW Ramset/Red Head.
c. Powers Fastening, Inc.
2.2 PRIMER
A. Primer: SSPC-Paint 25 BCS, Type II, iron oxide, zinc oxide, raw linseed oil, and alkyd.
2.3 GROUT
2.4 FABRICATION
A. Structural Steel: Fabricate and assemble in shop to greatest extent possible. Fabricate
according to AISC's "Code of Standard Practice for Steel Buildings and Bridges" and
AISC's "Specification for Structural Steel Buildings--Allowable Stress Design and Plastic
Design."
C. Bolt Holes: Cut, drill, mechanically thermal cut, or punch standard bolt holes perpendic-
ular to metal surfaces.
D. Finishing: Accurately finish ends of columns and other members transmitting bearing
loads.
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E. Holes: Provide holes required for securing other work to structural steel and for passage
of other work through steel framing members.
B. Weld Connections: Comply with AWS D1.1 for welding procedure specifications, toler-
ances, appearance, and quality of welds and for methods used in correcting welding
work.
1. Remove backing bars or runoff tabs, back gouge, and grind steel smooth.
2. Assemble and weld built-up sections by methods that will maintain true alignment
of axes without exceeding tolerances of AISC's "Code of Standard Practice for
Steel Buildings and Bridges" for mill material.
B. Surface Preparation: Clean surfaces to be painted. Remove loose rust and mill scale and
spatter, slag, or flux deposits. Prepare surfaces according to the following specifications
and standards:
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2.7 GALVANIZING
A. Hot-Dip Galvanized Finish: Apply zinc coating by the hot-dip process to structural steel
according to ASTM A 123/ A 123M.
A. The Owner will engage an independent testing and inspecting agency to perform tests
and to prepare test reports.
B. The Inspection and Testing Agency shall perform all tests herein specified and any addi-
tional tests as may be required including all field work and submit test reports to the Con-
tractor and Owner. Reports shall be submitted prior to the start of other work which may
prevent access for possible required repairs.
C. The Inspection and Testing Agency shall perform part time inspection while steel erec-
tion is in process. Shop and field inspection shall include but is not limited to:
D. Bolted connections indicated on the drawings shall be inspected by the Inspection and
Testing Agency in accordance with AISC Specifications for "Structural Joints Using
ASTM A 325 or A 490 Bolts".
1. Certify all welders, which have not passed AWS qualifications test within the pre-
vious 12 months and make inspections and tests as required. Record and make in-
spections and tests as required. Record types and locations of all defects found in
the work and measures required and performed to correct such defects.
2. Visual inspection of all fillet welds.
F. General - Prepare and submit reports in accordance with Division One sections.
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PART 3 - EXECUTION
3.1 EXAMINATION
B. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 PREPARATION
A. Provide temporary shores, guys, braces, and other supports during erection to keep struc-
tural steel secure, plumb, and in alignment against temporary construction loads and
loads equal in intensity to design loads. Remove temporary supports when permanent
structural steel, connections, and bracing are in place, unless otherwise indicated.
3.3 ERECTION
A. Set structural steel accurately in locations and to elevations indicated and according to
AISC specifications referenced in this Section.
1. Set base and bearing plates for structural members on wedges, shims, or setting
nuts as required.
2. Tighten anchor bolts after supported members have been positioned and plumbed.
Do not remove wedges or shims but, if protruding, cut off flush with edge of base
or bearing plate prior to packing with grout.
3. Pack grout solidly between bearing surfaces and plates so no voids remain. Finish
exposed surfaces, protect installed materials, and allow to cure.
B. Maintain erection tolerances of structural steel within AISC's "Code of Standard Practice
for Steel Buildings and Bridges."
C. Align and adjust various members forming part of complete frame or structure before
permanently fastening. Before assembly, clean bearing surfaces and other surfaces that
will be in permanent contact. Perform necessary adjustments to compensate for discrep-
ancies in elevations and alignment.
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E. Remove erection bolts on welded structural steel; fill holes with plug welds; and grind
smooth at exposed surfaces.
H. Do not enlarge unfair holes in members by burning or by using drift pins. Ream holes
that must be enlarged to admit bolts.
B. Weld Connections: Comply with AWS D1.1 for welding procedure specifications, toler-
ances, appearance, and quality of welds and for methods used in correcting welding
work.
A. Testing Agency: Owner will engage a qualified independent testing and inspecting agen-
cy to perform field inspections and tests and to prepare test reports.
B. Correct deficiencies in Work that test reports and inspections indicate does not comply
with the Contract Documents.
A. Repair damaged galvanized coatings on galvanized items with galvanized repair paint ac-
cording to ASTM A 780 and manufacturer's written instructions.
B. Touchup Painting: After installation, promptly clean, prepare, and prime or reprime field
connections, rust spots, and abraded surfaces of structural steel.
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
3. Steel grating.
4. Steel ladders.
B. Related Sections: The following Sections contain requirements that relate to this Section:
1. Division 5 Section "Structural Steel" for structural steel framing system components.
2. Division 9 Section “Painting”
1.3 SUBMITTALS
A. General: Submit each item in this Article according to the Conditions of the Contract and
Division 1 Specification Sections.
B. Shop drawings detailing fabrication and erection of each metal fabrication indicated. Include
plans, elevations, sections, and details of metal fabrications and their connections. Show
anchorage and accessory items. Provide templates for anchors and bolts specified for
installation under other Sections. Provide submittals for all expansion type anchors.
C. Samples representative of materials and finished products as may be requested by the Designer.
D. Welder certificates signed by Contractor certifying that welders comply with requirements
specified under the "Quality Assurance" Article.
E. 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
name, addresses, names of architects and owners, and other information specified.
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B. Welding Standards: Comply with applicable provisions of AWS D1.1 "Structural Welding
Code—Steel."
1. Certify that each welder has satisfactorily passed AWS qualification tests for welding
processes involved and, if pertinent, has undergone re-certification.
C. Structural Performance of Handrails and Railings: Provide handrails and railings capable of
withstanding structural loads required by ASCE 7 without exceeding allowable design working
stresses of materials based on Cold-Formed Structural Steel: AISI SG-673, Part I,
"Specification for the Design of Cold-Formed Steel Structural Members.", for handrails,
railings, anchors, and connections .
A. Field Measurements: Check actual locations of walls and other construction to which metal
fabrications must fit by accurate field measurements before fabrication. Show recorded
measurements on final shop drawings. Coordinate fabrication schedule with construction
progress to avoid delaying the Work.
1. Where field measurements cannot be made without delaying the Work, guarantee
dimensions and proceed with fabricating products without field measurements.
Coordinate construction to ensure that actual dimensions correspond to guaranteed
dimensions. Allow for trimming and fitting.
PART 2 - PRODUCTS
A. Metal Surfaces, General: For metal fabrications exposed to view in the completed Work,
provide materials selected for their surface flatness, smoothness, and freedom from surface
blemishes. Do not use materials with exposed pitting, seam marks, roller marks, rolled trade
names, or roughness.
C. Steel Pipe: ASTM A 53, standard weight (schedule 40), unless otherwise indicated.
1. Finish: Painted.
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E. Welding Rods and Bare Electrodes: Select according to AWS specifications for the metal alloy
to be welded.
2.2 PAINT
A. Shop Primer for Ferrous Metal: Fast-curing, lead- and chromate-free, universal modified-alkyd
primer complying with performance requirements of FS TT-P-664, selected for good resistance
to normal atmospheric corrosion, compatibility with finish paint systems indicated, and
capability to provide a sound foundation for field-applied topcoats despite prolonged exposure.
2.3 FASTENERS
A. General: Provide plated fasteners complying with ASTM B 633, Class Fe/Zn 25 for
electrodeposited zinc coating. Select fasteners for the type, grade, and class required.
B. Bolts and Nuts: Unless otherwise noted provide regular hexagon-head bolts, ASTM A 307,
Grade A (ASTM F 568, Property Class 4.6), with hex nuts, ASTM A 563, and, where
indicated, flat washers.
C. Expansion Anchors: Anchor bolt and sleeve assembly of material indicated below with
capability to sustain, without failure, a load equal to 4 times the load imposed when installed in
concrete.
1. Material: Carbon steel components zinc-plated to comply with ASTM B 633, Class
Fe/Zn 5.
2. Material: Group 1 alloy 304 or 316 stainless-steel bolts and nuts complying with ASTM
F 593 (ASTM F 738M) and ASTM F 594 (ASTM F 836M).
2.4 GROUT
A. Form metal fabrications from materials of size, thickness, and shapes indicated but not less than
that needed to comply with performance requirements indicated. Work to dimensions indicated
or accepted on shop drawings, using proven details of fabrication and support. Use type of
materials indicated or specified for various components of each metal fabrication.
B. Form exposed work true to line and level with accurate angles and surfaces and straight sharp
edges.
D. Ease exposed edges to a radius of approximately 1/32 inch (1 mm), unless otherwise indicated.
Form bent-metal corners to smallest radius possible without causing grain separation or
otherwise impairing work.
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1. Use materials and methods that minimize distortion and develop strength and corrosion
resistance of base metals.
2. Obtain fusion without undercut or overlap.
3. Remove welding flux immediately.
4. At exposed connections, finish exposed welds and surfaces smooth and blended so that
no roughness shows after finishing, and contour of welded surface matches those
adjacent.
G. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners
wherever possible. Use exposed fasteners of type indicated or, if not indicated, Phillips flat-
head (countersunk) screws or bolts. Locate joints where least conspicuous.
H. Provide for anchorage of type indicated; coordinate with supporting structure. Fabricate and
space anchoring devices to secure metal fabrications rigidly in place and to support indicated
loads.
I. Shop Assembly: Preassemble items in shop to greatest extent possible to minimize field
splicing and assembly. Disassemble units only as necessary for shipping and handling
limitations. Use connections that maintain structural value of joined pieces. Clearly mark units
for reassembly and coordinated installation.
J. Cut, reinforce, drill, and tap metal fabrications as indicated to receive finish hardware, screws,
and similar items.
K. Fabricate joints that will be exposed to weather in a manner to exclude water, or provide weep
holes where water may accumulate.
A. Provide loose bearing and leveling plates for steel items bearing on masonry or concrete
construction, made flat, free from warps or twists, and of the required thickness and bearing
area. Drill plates to receive anchor bolts and for grouting as required. Galvanize after
fabrication.
A. General: Provide steel framing and supports for applications indicated that are not a part of
structural steel framework as required to complete the Work.
B. Fabricate units to sizes, shapes, and profiles indicated and required to receive other adjacent
construction retained by framing and supports. Fabricate from structural steel shapes, plates,
and steel bars of welded construction using mitered joints for field connection. Cut, drill, and
tap units to receive hardware, hangers, and similar items.
1. Equip units with integrally welded anchors for casting into concrete. Furnish inserts if
units must be installed after concrete is placed.
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a. Except as otherwise indicated, space anchors 24 inches o.c. and provide minimum
anchor units in the form of steel straps 1-1/4 inches wide by 1/4 inch thick by 8 inches
long.
A. Unless otherwise indicated, fabricate units from structural steel shapes, plates, and bars of
profiles shown with continuously welded joints, and smooth exposed edges. Miter corners and
use concealed field splices wherever possible.
B. Provide cutouts, fittings, and anchorages as required to coordinate assembly and installation
with other work. Provide anchors, welded to trim, for embedding in concrete construction,
spaced not more than 6 inches (150 mm) from each end, 6 inches (150 mm) from corners, and
24 inches (600 mm) o.c., unless otherwise indicated.
A. Provide straight ladders where indicated. Ladders shall comply with requirements of ANSI
A14.3.
B. Siderails: Continuous, steel, 1/2-by-2-1/2-inch flat bars, with eased edges, spaced 24 inches
apart.
D. Fit rungs in centerline of side rails, plug weld and grind smooth on outer rail fences.
E. Support each ladder at top and bottom and at intermediate points spaced not more than 60
inches o.c. with welded or bolted steel brackets.
1. Size brackets to support design dead and live loads and to hold centerline of ladder rungs
clear of the wall surface by not less than 7 inches.
2. Extend side rails 42 inches above top rung, and return rails to wall or structure unless
other secure handholds are provided. If the adjacent structure does not extend above the
top rung, goose neck the extended rails back to the structure to provide secure ladder
access.
F. Provide nonslip surface on top of each rung, either by coating the rung with aluminum-oxide
granules set in epoxy-resin adhesive, or by using a type of manufactured rung that is filled with
aluminum-oxide grout.
A. Comply with NAAMM "Metal Finishes Manual" for recommendations relative to applying and
designing finishes.
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A. Galvanizing: For those items indicated for galvanizing, apply zinc coating by the hot-dip
process complying with the following requirements:
B. Preparation for Shop Priming: Prepare uncoated ferrous metal surfaces to comply with
minimum requirements indicated below for SSPC surface preparation specifications and
environmental exposure conditions of installed metal fabrications:
C. Apply shop primer to uncoated surfaces of metal fabrications, except those with galvanized
finishes or to be embedded in concrete, or masonry, unless otherwise indicated. Comply with
requirements of SSPC-PA 1 "Paint Application Specification No. 1" for shop painting.
A. Provide and install steel grating as indicated on the drawings. Grating shall conform to
requirements of ASTM A 569, welded steel grating and comply with ANSI/NAAMM MBG
531 “Metal Bar Grating Manual.” Grating shall be secured to structural supports by means of
saddle clips or welding as recommended by grating manufacturer. Perform all cutting, fitting
and placement as may be required for installation. Install grating so that cross bars align,
provide any additional structural support members, toe angles and plates.
a. Finish: Galvanized.
A. Assemble handrails and railing systems in the shop to the greatest extent possible to minimize
field splicing and assembly. Disassemble units only as necessary for shipping and handling
limitations. Clearly mark units for reassembly and coordinated installation. Use connections
that maintain structural value of joined pieces. Clearly mark units for reassembly and
coordinated installation.
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C. Form simple and compound curves by bending pipe in jigs to produce uniform curvature for
each repetitive configuration required; maintain cylindrical cross section of pipe throughout
entire bend without buckling, twisting, cracking, or otherwise deforming exposed surfaces of
pipe.
D. Welded Connections: Fabricate handrails and railing systems for connection of members by
welding. For connections made during fabrication, weld corners and seams continuously to
comply with the following:
1. Use materials and methods that minimize distortion and develop strength and corrosion
resistance of base metals.
2. Obtain fusion without undercut or overlap.
3. Remove welding flux immediately.
4. At tee and cross intersections, cope ends of intersecting members to fit contour of pipe or
tube to which end is joined, and weld all around.
5. At exposed connections, finish exposed welds and surfaces smooth and blended so that
no roughness shows after finishing and welded surface matches contours of adjoining
surfaces.
E. Ease exposed edges to a radius of approximately 1/32 inch, unless otherwise indicated. Form
bent-metal corners to the smallest radius possible without causing grain separation or otherwise
impairing work.
G. Toe Boards: Provide toe boards at railings around openings and at the edge of open-sided
platforms. Fabricate to dimensions and details indicated.
PART 3 - EXECUTION
3.1 PREPARATION
A. Coordinate and furnish anchorages, setting drawings, diagrams, templates, instructions, and
directions for installing anchorages, including concrete inserts, sleeves, anchor bolts, and
miscellaneous items having integral anchors that are to be embedded in concrete or masonry
construction. Coordinate delivery of such items to Project site.
A. Fastening to In-Place Construction: Provide anchorage devices and fasteners where necessary
for securing miscellaneous metal fabrications to in-place construction. Include threaded
fasteners for concrete and masonry inserts, toggle bolts, through-bolts, lag bolts, wood screws,
and other connectors as required.
B. Cutting, Fitting, and Placement: Perform cutting, drilling, and fitting required for installing
miscellaneous metal fabrications. Set metal fabrication accurately in location, alignment, and
elevation; with edges and surfaces level, plumb, true, and free of rack; and measured from
established lines and levels.
C. Provide temporary bracing or anchors in formwork for items that are to be built into concrete
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D. Fit exposed connections accurately together to form hairline joints. Weld connections that are
not to be left as exposed joints but cannot be shop-welded because of shipping size limitations.
Do not weld, cut, or abrade the surfaces of exterior units that have been hot-dip galvanized after
fabrication and are intended for bolted or screwed field connections.
1. Use materials and methods that minimize distortion and develop strength and corrosion
resistance of base metals.
2. Obtain fusion without undercut or overlap.
3. Remove welding flux immediately.
4. At exposed connections, finish exposed welds and surfaces smooth and blended so that
no roughness shows after finishing, and contour of welded surface matches those
adjacent.
A. Clean concrete and masonry bearing surfaces of bond-reducing materials, and roughen to
improve bond to surfaces. Clean bottom surface of bearing plates.
B. Set loose leveling and bearing plates on wedges or other adjustable devices. After the bearing
members have been positioned and plumbed, tighten the anchor bolts. Do not remove wedges
or shims, but if protruding, cut off flush with the edge of the bearing plate before packing with
grout.
A. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and
abraded areas of shop paint, and paint exposed areas with same material as used for shop
painting to comply with SSPC-PA 1 requirements for touching up shop-painted surfaces.
1. Apply by brush or spray to provide a 2.0-mil (0.05-mm) minimum dry film thickness.
B. For galvanized surfaces, clean welds, bolted connections, and abraded areas, and apply
galvanizing repair paint to comply with ASTM A 780.
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PART 1 - GENERAL
A. Contract drawings and general provisions of the Contract, including General and Supplemental
Conditions, Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes surface preparation, painting, and finishing of exposed interior and exterior
items and surfaces.
1. Surface preparation, priming, and finish coats specified in this Section are in addition to
shop-priming and surface treatment specified under other Sections.
B. Paint exposed surfaces whether or not colors are designated in schedules, except where a surface
or material is specifically indicated not to be painted or is to remain natural. Where an item or
surface is not specifically mentioned, paint the same as similar adjacent materials or surfaces. If
color or finish is not designated, the Engineer will select from standard colors or finishes
available.
C. Painting is not required on prefinished items, finished metal surfaces, concealed surfaces,
operating parts, labels, and stainless steel
1.3 SUBMITTALS
A. General: Submit the item below in accordance with Section 013300 – SUBMITTAL
PROCEDURES.
1. Provide the manufacturer's technical information including label analysis and instructions
for handling, storage, and application of each material proposed for use.
2. List each material and cross-reference the specific coating, finish system, and application.
Identify each material by the manufacturer's catalog number and general classification.
3. Certification by the manufacturer that products supplied comply with local regulations
controlling use of volatile organic compounds (VOCs).
C. Samples for initial color selection in the form of manufacturer's color charts. Submit full line of
colors.
1. Submit color charts with the selected paint manufacturer’s technical information.
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A. Applicator Qualifications: Engage an experienced applicator who has completed painting system
applications similar in material and extent to those indicated for the Project that have resulted in a
construction record of successful in-service performance.
B. Single-Source Responsibility: Provide primers and undercoat paint produced by the same
manufacturer as the finish coats.
A. Deliver materials to the job site in the manufacturer's original, unopened packages and containers
bearing manufacturer's name and label, and the following information:
B. Store materials not in use in tightly covered containers in a well-ventilated area at a minimum
ambient temperature of 45 deg F (7 deg C). Maintain containers used in storage in a clean
condition, free of foreign materials and residue.
1. Protect from freezing. Keep storage area neat and orderly. Remove oily rags and waste
daily. Take necessary measures to ensure that workers and work areas are protected from
fire and health hazards resulting from handling, mixing, and application. Post highly
visible signs indicating "Flammable Materials" and "No Smoking".
A. Apply water-based paints only when the temperature of surfaces to be painted and surrounding air
temperatures are between 50 deg F and 90 deg F.
B. Apply solvent-thinned paints only when the temperature of surfaces to be painted and
surrounding air temperatures are between 45 deg F and 95 deg F.
C. Do not apply paint in snow, rain, fog, or mist; or when the relative humidity exceeds 85 percent;
or at temperatures less than 5 deg F above the dew point; or to damp or wet surfaces.
1. Painting may continue during inclement weather if surfaces and areas to be painted are
enclosed and heated within temperature limits specified by the manufacturer during
application and drying periods.
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PART 2 - PRODUCTS
2.1 MANUFACTURERS
1. Fuller O'Brien.
2. Benjamin Moore and Co. (Moore).
3. Pratt and Lambert (P & L).
4. Tnemec.
A. Material Compatibility: Provide primers, finish coat materials, and related materials that are
compatible with one another and the substrates indicated under conditions of service and
application, as demonstrated by the manufacturer based on testing and field experience.
B. Material Quality: Provide the manufacturer's best-quality paint material of the various coating
types specified. Paint material containers not displaying manufacturer's product identification
will not be acceptable.
C. Colors: Provide color selections made by the Owner from manufacturer’s full range of standard
colors.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates and conditions under which painting will be performed for compliance with
paint application requirements. Surfaces receiving paint must be thoroughly dry before paint is
applied.
1. Do not begin to apply paint until unsatisfactory conditions have been corrected.
2. Start of painting will be construed as the Applicator's acceptance of surfaces and
conditions within a particular area.
B. Coordination of Work: Review other Sections in which primers are provided to ensure
compatibility of the total system for various substrates. On request, furnish information on
characteristics of finish materials to ensure use of compatible primers.
1. Notify the Owner about anticipated problems using the materials specified over
substrates primed by others.
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C. Do not paint over dirt, rust, scale, grease, moisture, scuffed surfaces or conditions otherwise
detrimental to the formation of a durable paint film.
3.2 PREPARATION
A. Cleaning: Before applying paint or other surface treatments, clean the substrates of substances
that could impair the bond of the various coatings. Remove oil and grease prior to cleaning.
Schedule cleaning and painting so dust and other contaminants from the cleaning process will not
fall on wet, newly painted surfaces.
B. Surface Preparation: Clean and prepare surfaces to be painted according to the manufacturer's
instructions for each particular substrate condition and as specified.
1. Provide barrier coats over incompatible primers or remove and reprime. Notify Owner in
writing about anticipated problems using the specified finish-coat material with substrates
primed by others.
2. Ferrous Metals: Clean ungalvanized ferrous metal surfaces that have not been shop-
coated; remove oil, grease, dirt, loose mill scale, and other foreign substances. Use
solvent or mechanical cleaning methods that comply with recommendations of the Steel
Structures Painting Council (SSPC).
a. Blast steel surfaces clean as recommended by the paint system manufacturer and
according to requirements of SSPC specification SSPC-SP 6.
b. Treat bare and sandblasted or pickled clean metal with a metal treatment wash coat
before priming.
c. Touch up bare areas and shop-applied prime coats that have been damaged. Wire-
brush, clean with solvents recommended by the paint manufacturer, and touch up
with the same primer as the shop coat or if wrinkling or lifting of coating is
observed, apply a barrier coat of Tnemec 37-77, dry film thickness (DFT) of 2
mils.
C. Materials Preparation: Carefully mix and prepare paint materials according to manufacturer's
directions.
1. Maintain containers used in mixing and applying paint in a clean condition, free of
foreign materials and residue.
2. Stir material before application to produce a mixture of uniform density; stir as required
during application. Do not stir surface film into material. Remove film and, if necessary,
strain material before using.
3. Use only thinners approved by the paint manufacturer and only within recommended
limits.
D. Tinting: Tint each undercoat a lighter shade to facilitate identification of each coat where
multiple coats of the same material are applied. Tint undercoats to match the color of the finish
coat, but provide sufficient differences in shade of undercoats to distinguish each separate coat.
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3.3 APPLICATION
A. General: Apply paint according to manufacturer's directions. Use applicators and techniques
best suited for substrate and type of material being applied.
B. Do not paint over dirt, rust, scale, grease, moisture, scuffed surfaces, or conditions detrimental to
formation of a durable paint film.
1. Paint colors, surface treatments, and finishes are indicated in the schedules.
2. Provide finish coats that are compatible with primers used.
3. The number of coats and the film thickness required are the same regardless of the
application method. Do not apply succeeding coats until the previous coat has cured as
recommended by the manufacturer. Sand between applications where sanding is required
to produce a smooth even surface according to the manufacturer's directions.
4. Apply additional coats if undercoats, stains, or other conditions show through final coat
of paint until paint film is of uniform finish, color, and appearance. Give special
attention to ensure that surfaces, including edges, corners, crevices, welds, and exposed
fasteners, receive a dry film thickness equivalent to that of flat surfaces.
5. Paint back sides of access panels and removable or hinged covers to match exposed
surfaces.
6. Sand lightly between each succeeding enamel or varnish coat.
7. Omit primer on metal surfaces that have been shop-primed and touch-up painted.
8. All surfaces of all structural steel shall be fully painted, undercoat and finish top coat,
prior to the contractor bringing the steel into the existing tunnel system. Contractor shall
touch-up paint within tunnel only.
C. Scheduling Painting: Apply first coat to surfaces that have been cleaned, pretreated, or otherwise
prepared for painting as soon as practicable after preparation and before subsequent surface
deterioration.
1. Allow sufficient time between successive coats to permit proper drying. Do not recoat
until paint has dried to where it feels firm, does not deform or feel sticky under moderate
thumb pressure, and where application of another coat of paint does not cause the
undercoat to lift or lose adhesion.
D. Application Procedures: Apply paints and coatings by brush, roller, spray, or other applicators
according to the manufacturer's directions.
E. Minimum Coating Thickness: Apply materials no thinner than the manufacturer's recommended
spreading rate. Provide the total dry film thickness of the entire system as recommended by the
manufacturer.
F. Prime Coats: Before applying finish coats, apply a prime coat of material, as recommended by
the manufacturer, to material that is required to be painted or finished and that has not been
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prime-coated by others. Recoat primed and sealed surfaces where evidence of suction spots or
unsealed areas in first coat appears, to ensure a finish coat with no burn-through or other defects
due to insufficient sealing.
G. Pigmented (Opaque) Finishes: Completely cover to provide a smooth, opaque surface of uniform
finish, color, appearance, and coverage. Cloudiness, spotting, holidays, laps, brush marks, runs,
sags, ropiness, or other surface imperfections will not be acceptable.
H. Transparent (Clear) Finishes: Use multiple coats to produce a glass-smooth surface film of even
luster. Provide a finish free of laps, cloudiness, color irregularity, runs, brush marks, orange peel,
nail holes, or other surface imperfections.
I. Completed Work: Match approved samples for color, texture, and coverage. Remove, refinish,
or repaint work not complying with specified requirements.
3.4 CLEANING
A. Cleanup: At the end of each work day, remove empty cans, rags, rubbish, and other discarded
paint materials from the site.
1. After completing painting, clean glass and paint-spattered surfaces. Remove spattered
paint by washing and scraping. Be careful not to scratch or damage adjacent finished
surfaces.
3.5 PROTECTION
A. Protect work of other trades, whether being painted or not, against damage by painting. Correct
damage by cleaning, repairing or replacing, and repainting, as acceptable to Owner.
B. Provide "Wet Paint" signs to protect newly painted finishes. Remove temporary protective
wrappings provided by others to protect their work after completing painting operations.
A. General: Provide the following paint systems for the various substrates indicated. “Interior”
applies to those items inside of buildings.
B. Ferrous Metal:
1. Semigloss Enamel Finish: Two coats over primer with total dry film thickness not less
than 2 mils.
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1. Flat Latex Emulsion Size: Two coats. Add fungicidal agent to render fabric mildew
proof.
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PART 1 - GENERAL
A. The general provisions of the Contract, including General and Supplementary Conditions and
General Requirements, apply to the work specified in this Section.
B. Related Sections: All Division 23 Sections contain requirements that relate to this Section.
1.2 SUMMARY
A. This Section includes general administrative and procedural requirements for mechanical
installations. The following administrative and procedural requirements are included in this
Section to expand the requirements specified in Division 01:
1. Maintenance manuals.
2. Mechanical installations.
3. Submittals
4. Operation and Maintenance Manuals
5. As-Builts
1.3 RESPONSIBILITY:
A. The Contractor shall be responsible for all work included in the Mechanical and Electrical
Divisions. The delegation of work to Subcontractors shall not relieve him of this responsibility.
Subcontractors who perform work under these Sections shall be responsible to the Contractor.
The term "Contractor" is used throughout this Division and shall mean the Contractor, although
the actual performance of the work may be by a Subcontractor.
B. Within thirty (30) days after award of the contract, the Contractor shall submit to the Designer,
for approval a list of all subcontractor's names he proposes to use.
C. The Contractor shall carefully review all divisions of the project specifications. Where conflicts
exist between divisions and/or sections of the specifications the most stringent requirement as
determined by the Designer shall apply.
1. ANSI Standards:
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2. NFPA Standards
3. General
4. Warranty:
a. Contractor to provide general warranty on parts and labor for minimum of 1 year.
Specific product warranty details are listed in the individual specification sections.
1.5 COORDINATION
A. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of
construction, to allow for HVAC installations.
B. Coordinate installation of require supporting devices and set sleeves in poured-in-place concrete
and other structural components as they are constructed.
C. Coordinate requirements for access panels and doors for HVAC items requiring access that are
concealed behind finished surfaces.
A. Following are definitions of terms and expressions used in the Mechanical and Electrical
Sections:
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B. References to catalogs, standards, codes, specifications, and regulations apply to the latest
edition in effect at the date of the invitation to bid.
A. Give all necessary notices, obtain all permits, and pay all fees and other costs, including those
for utility connections or extensions in connection with the work. File all necessary plans,
prepare all documents, and obtain all necessary approvals of all governmental departments
having jurisdiction. Obtain all required certificates of inspection and deliver same to the
Designer before request for acceptance and final payment for the work.
B. All materials furnished and all work installed shall comply with the latest rules, regulations, and
recommendations of the following bodies:
B. Within thirty (30) days after award of the Contract, the Contractor shall submit to the Designer,
for approval, a list of manufacturers' names of material and equipment he proposes to provide.
In the event any items of material or equipment contained in the list fail to comply with the
specification requirements, such items will be rejected. If, prior to the expiration of the thirty
(30) day period or any duly authorized extension thereof, the Contractor fails to submit a
schedule of acceptable material and equipment covering the items, the Designer will select the
items and such selection will be final and binding upon the Contractor as a condition of the
contract. Rejected items shall be resubmitted within fifteen (15) days. The Designer will select
materials and equipment not submitted in such time.
C. After receiving approval of equipment manufacturers and prior to delivery of any material or
equipment to the job site; submit for approval, dimensioned drawings or cuts showing
construction size, arrangement, operating clearances, performance characteristics, and capacity
of material or equipment. Each item of equipment proposed shall be a standard catalog product
of the approved manufacturer. Submittals shall be received early in the construction period to
allow the Designer ample time for review and checking for compliance with the contract
documents. The Designer will be expected to process a maximum of ten (10) submittals in a
five (5) day working period. The Contractor shall carefully schedule the submission time of all
submittals to insure that approvals will be received to meet the critical path of the construction
project.
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D. If the Contractor's submittals, upon review by the Designer, do not conform to the requirements
of the contract documents, the contractor shall be required to resubmit with modification, within
fifteen (15) working days of receipt of the Designer’s notification and comments to the
Contractor. The Contractor shall be responsible for the extra expenses for subsequent review of
rejected or revised submittals necessitated by the Contractor's failure to provide a complete and
accurate submittal meeting the requirements of the contract documents. Such extra fees shall be
deducted by the Owner from payments to the Contractor.
E. Samples, drawings, specifications, catalogs, etc., submitted for approval shall be properly
labeled indicating specific item, model number, and service for which material or equipment
shall be used. Section and article number of specifications governing, Contractor's name, name
of job, and date and also be clearly indicated on all submittals. Submittals that are not properly
labeled or identified will be returned marked "Not Reviewed".
H. Prepare and submit shop drawings for all specifically fabricated items, modifications to
standards items, specially designed systems where detailed design is not shown on the contract
drawings, or where the proposed installation differs from that shown on contract drawings.
I. Submit data and shop drawings as listed in the individual specification sections, in addition to
provisions of paragraphs above. Identify all shop drawings by the name of the item and system
and applicable specification paragraph number.
J. Contractor, additionally, shall submit for approval any other shop drawings as requested by the
Designer. No item shall be delivered to the site, or installed, until approved. After the proposed
materials have been approved, no substitution will be permitted except where approved by the
Designer.
A. No equipment shall be operated, for testing or trial use, before full compliance with the
equipment manufacturers' specifications and instructions for the lubrication, alignment,
direction of rotation, balance, and other applicable considerations.
B. Particular care shall be taken to see that all equipment is completely assembled, properly
lubricated, and all grease and oil cases and reservoirs have been filled to the correct level with
the recommended lubricants.
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D. Prior to start-up of HVAC hydronic systems, it is the Contractor’s responsibility to isolate and
flush/clean the system as specified under SECTION 232113 – BASIC PIPING MATERIALS
AND METHODS.
1.11 GUARANTEE:
A. The Contractor guarantees, by his acceptance of the Contract, that all work installed, by him or
his subcontractors, will be free from defects, in workmanship and materials, for a period of one
(1) year after the date of certification of completion and acceptance of work. Any defects in
workmanship, materials or performance which appear within the guarantee period shall be
corrected by the Contractor, without cost to the Owner, within a reasonable time to be specified
in notice from the Designer. In default thereof, Owner may have such work done and charge
the cost of same to the Contractor.
A. Prior to preparing the bid, the Contractor and subcontractors shall visit the site and familiarize
themselves with all existing conditions, make all necessary investigations as to locations of
utilities, and all other matters which can affect the work. No additional compensation will be
made to the Contractor as a result of his failure to familiarize himself with the existing
conditions under which the work must be performed.
1.13 DRAWINGS:
A. The Contract Drawings are diagrammatic and indicate the general arrangement of systems and
work included in the Contract. Any offsets, rises, transitions not shown on the drawings and
required to provide a complete system shall be provided at no additional contract cost. Do not
scale the drawings. Consult the Architectural and Structural drawings and details for exact
location of structure and equipment; where same are not definitely located, obtain this
information from the Designer.
A. Contractor shall keep accurate records of all deviations in work, as actually installed, from work
indicated.
B. When work is complete, make one (1) complete "As-Built" set of marked-up prints, and certify
the accuracy of each print by endorsement and signature thereon. Deliver same to the Designer.
C. All underground work shall be accurately located on record drawings by plan dimension and
elevation. Such work shall include utilities, storage tanks, plumbing pipes, etc.
A. Upon completion of all work and all tests, Contractor shall furnish the necessary skilled labor
and helpers for operating the systems and equipment for a minimum period of four (2) days of
eight (8) hours each, or as otherwise specified. During this period, Contractor shall instruct the
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Owner's representative fully in the operation, adjustment, and maintenance of all equipment
furnished. At least forty-eight (48) hours in advance written notice shall be given to the Owner.
B. Contractor shall furnish to the Designer four (4) complete bound sets and a PDF of typewritten
or blueprinted instructions for operating and maintaining all systems and equipment included in
this Contract. Operating and maintenance manuals shall include all construction test reports,
final balancing reports, valve tag schedule, final inspection certificates, and occupancy permits.
Also provide two (2) complete bound sets and a PDF of approved shop drawings for all items of
equipment utilized on the project. All instructions shall be submitted in draft for approval prior
to final issue. Manufacturers' advertising literature or catalogs will not be acceptable for
operating and maintenance instructions.
C. Instructions shall include a general description of each system and specific instructions
describing routine and emergency procedures required of the building personnel for operating
and maintaining each system. The instructions shall include the name or label, location, and
function of all operating equipment and controls, such as start-stop switches, time clocks, and
safety and temperature controllers. Operating modes and the procedures for indexing each
mode shall be clearly described. A listing of names, addresses, and phone numbers of the
service organizations for each item of equipment and a typewritten maintenance schedule for
same shall be included.
D. The instructor shall be thoroughly familiar with all parts of the installation on which he is to
give instruction. The instructor shall be trained in operating theory as well as practical
operation and maintenance work. Employ factory trained instructors for automatic temperature
control systems and wherever else necessary, as determined by the Designer.
E. During the guarantee period, the Contractor shall service and maintain all equipment, excluding
filter replacement, provided under this contract. Prior to the start of guarantee period, the
Contractor shall provide the Owner with a schedule of required maintenance operations for each
system and items of equipment. Contractor shall submit schedule to the Designer for approval.
Thereafter, monthly reports shall be submitted to the Owner describing actual service provided.
Forty-eight (48) hours advance notice shall be given to the Owner, prior to work required under
this Section.
A. Under Division 23 MECHANICAL, provide the following items of electrical work which shall
conform with the applicable requirements of the Electrical Division:
1. Power wiring, complete from power source to motor or equipment junction box,
including power wiring through motor starters, power factor correction devices, and line
reactors. Power factor correction devices shall be provided under Division 23 and
installed under Division 26.
2. Motor control centers or motor starter, panelboards.
3. All miscellaneous individual motor starters, unless noted or specified otherwise.
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A. As a minimum, one (1) ten (10) pound ABC extinguisher shall be provided with each work
crew, at all times when working within the building.
A. Where any device or part of equipment is herein referred to in the singular number (such as
"valve"), such reference applies to as many such devices as are required to complete the
installation as shown on the drawings.
PART 2 - PRODUCTS
2.1 MATERIALS:
A. All materials shall be new, the best of their respective kinds, suitable for the conditions and
duties imposed on them at the building, and shall be of reputable manufacturers'. The
description, characteristics, and requirements of materials to be used shall be in accordance with
qualifying conditions established in the sections following.
B. See Division 01 - General Requirements. All component parts of each items of equipment or
device shall bear the manufacturers' name plate; giving name of manufacturer, description, size,
type, serial or model number, electrical characteristics, etc., in order to facilitate the
maintenance or replacement. The name plate of a subcontractor or distributor will not be
acceptable. Where Underwriters' Laboratories standards apply, material and equipment shall be
approved by them and shall bear the UL Label.
C. In specifying materials, three (3) general procedures are used except as modified in other
sections of the specifications. The three (3) classifications are as follows:
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D. It is distinctly understood: (1) that the Designer will use his own judgment in determining
whether or not any materials, equipment or methods offered in substitution are equal to those
specified; (2) that the decision of the Designer on all such questions of equality is final; and (3)
that all substitutions will be made at no increase in cost to the Owner.
E. Upon receipt of written approval from Designer, Contractor may proceed with substitution
providing Contractor assumes full responsibility for, and makes, at his own expense, any
changes or adjustments in construction or connection with other work that may be required by
the substitution of such materials, equipment or methods. In the event of any adverse decisions
by the Designer no claim of any sort shall be made or allowed against the Owner.
A. Prepare, submit and use composite installation and coordination drawings to assure proper
coordination and installation of work. Drawings shall include, but not be limited to, the
following:
B. Draw plans to a scale not less than 1/4 inch equals one (1) foot. Include plans, sections, and
elevations of proposed work, showing all equipment, piping and ductwork in areas involved.
Fully dimension all work horizontally and vertically. Show coordination with other work
including sprinklers, lighting fixtures, conduits, pullboxes, panelboards, and other electrical
work, walls, doors, ceilings, columns, beams, joists and other Architectural and structural work.
C. Identify all equipment and devices on wiring diagrams and schematics. Where field
connections are shown to be factory-wired terminals, include manufacturer's literature showing
internal wiring.
D. Identify the location of all sleeves and penetrations through poured concrete walls or existing
structure. Single and multiple pipe or conduit penetrations, as well as duct openings, shall be
accurately located by field measurements and indicated on the drawings.
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F. Submit data and shop drawings for materials finished under this project. Materials shall be
grouped by specification section and submitted as a complete package under the corresponding
specification section. Identify all shop drawings by the name of the item, system, and
applicable specification section number.
A. Provide UL Listed fire penetration systems in openings in rated floors, walls, and other
elements of construction. Provide UL listed fire penetration systems at all new and existing
pipe penetrations of new and existing rated construction within the area of work. Coordinate
work of this section with all other trades necessary for the proper installation of the fire rated
penetration systems.
B. Submit shop drawings showing each condition requiring penetration seals in dictating proposed
UL systems materials, anchorage, methods of installation, and actual adjacent construction.
Submit a copy of UL illustration of each proposed system indicating manufacturer approved
modifications. Submit copies of manufacturer's specifications, recommendations, inspection
requirements, installation instructions, and maintenance data for each type of material required.
Include letter indicating that each material complies with the requirements and is recommended
for the applications shown.
C. All fire penetration systems shall reference ASTM E814/UL 1479 - Fire Test of Through -
Penetration Fire Stops.
D. All systems shall be UL tested and listed in the UL Fire Resistance Directory.
E. Submit copies of written guarantee agreeing to repair or replace joint sealers which fail in joint
adhesion, cohesion, abrasion resistance, weather resistance, extrusion resistance, migration
resistance, stain resistance, general durability or appear to deteriorate in any other manner not
clearly specified by submitted manufacturer's data as an inherent quality of the material for the
exposure indicated. The guarantee period shall be one (1) year from date of substantial
completion.
F. Provide systems as listed in the System and Application Schedule in paragraph 2.6.15 of this
section. 3M products have been specified as the basis of design. Other manufacturer's systems
are acceptable providing they meet the requirements set forth in this specification. The fire
rated penetration systems shall be the products of one manufacturer to the maximum extent
possible. The products of more than one manufacturer shall not be used as a combined seal.
G. Provide materials classified by UL to provide fire stopping equal to time rating, both "F" and
"T" ratings, of construction being penetrated. Provide asbestos free materials that comply with
applicable codes and have been tested under positive pressure in accordance with UL 1479 or
ASTM E814. Systems shall be smoke and air tight.
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I. Verify existing conditions and substrates before starting work. Correct unsatisfactory
conditions before proceeding. Proceed with installation only after penetrations of the substrate
and supporting brackets have been installed.
J. Furnish adequate ventilation if using solvent. Furnish forced air ventilation during installation
if required by manufacturer. Keep flammable materials away from sparks or flame. Provide
masking and drop cloths to prevent contamination of adjacent surfaces by fire stopping
resistance.
K. Clean surfaces to be in contact with penetration seal materials, of dirt, grease, oil, loose,
materials, rust, or other substances that may affect proper fitting, adhesion of the required fire
resistance.
L. Install penetration seal materials in accordance with printed instructions of the UL Fire
Resistance Directory and in accordance with manufacturer's instructions. Seal holes or voids
made by penetrations to ensure an effective smoke barrier. Where floor openings without
penetrating items are more than four (4) inches in width and subject to traffic or loading, install
fire stopping materials capable of supporting same loading as floor. Protect materials from
damages on surfaces subject to traffic.
M. Clean up spills of liquid components. Neatly cut and trim materials as required. Remove
equipment, materials, and debris, leaving area in undamaged, clean condition.
N. Examine penetration sealed areas to ensure proper installation before concealing or enclosing
areas. Keep areas of work accessible until inspection by applicable code authorities. Perform
under this section patching and repairing of fire stopping caused by cutting or penetration by
local inspectors and other trades.
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A. Equip each motor driven machine with a V-belt drive except those which are specified as direct
drive. Where factory designed and assembled belt drives which do not conform to the
following are proposed to be furnished, such non-conformity must be noted on the shop
drawings submittals and may be cause for rejection of the item.
B. Provide OSHA approved guards, for all belt drives, constructed in accordance with SMACNA
standards. Submit shop drawings for approval.
C. Select each drive according to the ratings and recommendations of the manufacturer for the
service with which used, giving proper allowance for sheave diameter, center distance, and arc
of contact less than one hundred eighty degrees. Size the motor driving a centrifugal fan, with
forward curved blades, to have a nameplate rating of not less than five (5) percent above the
total of actual fan brake horsepower and drive loss at specified capacity, if the wheel is of other
than the forward curved blade type. Size motor not less than fifty (50) percent above the total
of actual fan brake horsepower and drive loss at specified capacity, if the wheel is of the
forward curved blade type.
D. Belts shall be constructed of endless reinforced cords of long staple cotton, nylon, rayon, or
other suitable textile fibers imbedded in rubber. Use belt with correct cross section to fit
properly the sheave grooves. Carefully match belts for each drive.
E. Sheaves for motors under fifteen (15) HP shall be adjustable pitch type, selected so that the
required fan rotational speed will be obtained with the motor sheave set approximately in mid-
position and have the specified pitch diameter in that position.
F. Select the motor of a capacity needed to operate the equipment at the specified mid-position
operating condition. Where non-overloading motors are specified, select the motor capacity
rating at the most closed position of the motor sheave. In no case shall motors be a smaller size
than those indicated on the drawings.
G. Do not select fan sheave smaller in diameter than thirty (30) percent of the fan wheel diameter.
H. Construct sheaves of cast iron or steel, bored to fit properly on the shafts, and secured with key
ways of proper size (not set screws). Key ways may be omitted for sheaves having 1/2 inch or
smaller bores where set screws may be used.
PART 3 - EXECUTION:
3.1 WORKMANSHIP:
A. Each Subcontractor shall furnish the services of an experienced superintendent who shall be
constantly in charge of the installation of the work.
B. The quality of workmanship required, for each trade, in the execution of work shall be the finest
and highest obtainable in that trade working with the materials specified. Workmanship shall
be satisfactory to the Designer and his decision as to acceptable quality is final.
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A. All equipment, devices, controls, and hardware shall be proven to operate successfully
throughout the guarantee period. Systems shall be proven during all weather seasons and be
demonstrated to affect the design conditions at times. System components or equipments items
that fail to consistently deliver the design conditions shall be removed and replaced as directed
by the Designer. The cost of required equipment replacements shall be borne by the Contractor.
B. All equipment shall be tested after installation and be proven to deliver the manufacturers
quoted design capacity. When capacity is in question as deemed by the Designer, the
Contractor shall perform a detailed and comprehensive field performance test to certify the
equipment capacity. System effect or installed performance factors may not be applied to
performance ratings unless they were previously included when the equipment was submitted
for approval. Equipment that fails to deliver manufacturers quoted design capacity shall be
removed and replaced at the Contractors expense.
A. All equipment shall be installed and connected in accordance with the best engineering practice
and in accordance with manufacturer's instructions and recommendations. Auxiliary piping,
piping specialties, water seals, valves, and electric connections recommended by the
manufacturer, required by code or required for proper operation shall be provided.
3.4 WATERPROOFING:
A. Cutting and patching associated with the work in the existing structure shall be performed in a
neat and workmanlike manner. Existing surfaces, which are damaged by the Contractor, shall
be repaired or provided with new materials. All patching shall be done with materials and
methods similar to existing adjacent work, subject to approval of the Designer. Structural
members shall not be cut or penetrated. Holes cut through concrete and/or masonry to
accommodate new work shall be cut by reciprocating or rotary, non-percussive methods.
B. The Contractor shall submit to the Designer for approval dimensioned drawings showing all
penetrations through structural slabs or walls required for mechanical and electrical work.
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Drawings shall clearly show opening size, plan location, and/or elevation as applicable. All
openings shall be approved by the Designer prior to starting work.
C. Patching of areas disturbed by installation of new work shall match existing adjacent surfaces in
material, texture, and color.
A. Notify the Owner in writing at least seven (7) days in advance of any required shutdown of
water, sewage, gas, electrical service or other utility. Upon written receipt of approval from
Owner, shutdowns shall be performed between the hours of six (6) p.m. and six (6) a.m.
including clean-up or as directed otherwise and shall be accomplished at no additional cost.
A. When working in and around the existing building, extreme care shall be exercised with regard
to protection of the existing structure and mechanical and electrical services. Repair or replace,
to the satisfaction of the Designer, any existing work damaged in the performance of the new
work.
A. Base all measurements (both horizontal and vertical) from established bench marks. All work
shall agree with these established lines and levels. Verify all measurements at site and check
correctness of same as related to the work. Verify locations of existing utilities and inverts of
same prior to the start of any systems shown connecting to existing utilities.
B. Should the Contractor discover any discrepancy between actual measurements or conditions,
and those indicated, which prevent following good practice or the intent of the drawings and
specifications, he shall notify the Designer and shall not proceed with his work until he has
received instruction from the Designer.
A. Proper and suitable tools, equipment and appliances for the safe and convenient handling and
placing of all materials and equipment shall be used. During loading, unloading, and placing,
care shall be taken in handling the equipment and materials so that no equipment or materials
are damaged.
B. All mechanical and/or electrical equipment delivered to the job site shall be stored on pedestals,
above the ground and under roof or other approved covering. All enclosures for equipment
shall be weatherproof. All motors, drives, switchgear, panels, etc. which are not totally
enclosed, that are involved in the work, shall be stored in a heated, dry, water protected area
with a minimum temperature of fifty degrees (50) Fahrenheit. All valves shall be stored under
roof on wood pedestals, above ground. All insulation shall be stored under roof or in trailers,
adequately protected from the weather. The Contractor shall follow all written instructions and
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recommendations of the manufacturer and all requirements of the Designer in oiling, protection
and maintenance of equipment during storage. It shall be the Contractor's complete
responsibility for the storage and care of the equipment and materials.
C. If any equipment and/or materials are found to be in poor condition at the time of installation
the Designer may, at his discretion, order the Contractor to furnish and install new equipment
and/or material at no cost to the Owner.
A. Mechanical and Electrical trades shall give full cooperation to other trades and shall furnish in
writing, with copies to Designer any information necessary to permit the work of all trades to be
installed satisfactorily and with least possible interference or delay. Exact location of all
mechanical and electrical equipment, devices, etc. in finished spaces shall be coordinated with
Architectural reflected ceiling plans, elevations and details.
A. Thoroughly clean all exposed surfaces of equipment and material and leave in a neat, clean
condition ready for painting. Restore and touch-up factory finishes which have been damaged
during construction.
1. Touch-up threads of zinc coated screwed pipe with Rust-O-Leum primer and one (1) coat
of enamel conforming with painting specification.
2. Paint behind grilles and registers in finished areas with two (2) coats of flat black paint
following the proper surface preparation of the zinc coated metal.
3.12 ACCESSIBILITY:
A. Locate all equipment which must be serviced, operated, or maintained, in fully accessible
positions. Equipment shall include, but not be limited to, valves, clean-outs, motors,
controllers, dampers, drain points, etc. Where required and where directed, provide fourteen
(14) gauge steel access panels, Milcor or equal, to suit material in which installed. Doors
installed in fire rated walls or shafts shall be labeled and shall match rating of the construction.
Doors shall be of sufficient size to allow access to all components; minimum size shall be
twelve (12) inches by sixteen (16) inches. Equipment deemed inaccessible by the Designer
shall be reworked by the Contractor at no expense to the Owner. All doors shall have cylinder
locks operable from same key. Submit shop drawings for approval.
A. All exterior concrete bases, curbs, and supports will be furnished and installed under Division
03, CONCRETE. All interior concrete bases, curbs, and supports will be furnished and
installed under this Division and shall be in accordance with Division 03, CONCRETE.
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UNIVERSITY OF GEORGIA MECHANICAL GENERAL PROVISIONS
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B. The Subcontractors shall furnish, to the General Contractor, all required foundation sizes, bolts,
washers, sleeves, plates and templates for equipment.
D. All equipment shall be set on the foundations, shimmed level with steel shims, and grouted up
under base for uniform bearing by the Subcontractor.
E. Under this Section, provide all equipment supports; consisting of inertia pads, platforms,
gratings, structural members and related materials required for the mechanical and electrical
work.
The type and size of the supporting channels and supplementary steel shall be determined by the
Subcontractor and shall be of sufficient strength and size to allow only a minimum deflection in
conformance with the manufacturer's requirements for loading.
3.14 FLASHING:
A. Openings for pipes and ducts through waterproofed floors and roof areas shall be flashed. Vent
pipes through roof shall be flashed with spun aluminum base having a minimum of five (5) inch
roof surface flange. Base shall extend five (5) inches above roof surface.
B. Roof ventilator and fan bases shall be provided with prefabricated curbs as specified elsewhere
in this Division. Flash ventilators with .032 aluminum or twenty-six (26) gauge Type 304
stainless steel.
3.15 DEMOLITION:
A. All existing piping, conduit, equipment, ductwork, and materials not required for re-use or re-
installation shall be removed. Any existing materials and equipment which are removed and are
desired by the Owner, or are indicated to remain the property of the Owner, shall be delivered to
him on the premises by the Contractor where directed by the Designer. All other materials and
equipment which are removed shall become the property of the Contractor and shall be removed
by him from the premises.
B. Existing piping that remains concealed, buried, or otherwise contained in the remaining slabs
and walls shall be capped, plugged, or otherwise sealed. All pipes shall be cut so that their
capped or plugged ends will be below the finished floors or behind finished surfaces.
C. Existing wiring, where possible, shall be removed or pulled through conduits. Wiring
remaining shall be cut back behind the termination of conduits so that conduits can be
adequately capped, plugged, or sealed.
A. When existing mechanical and electrical work is removed, all pipes, valves, ducts, and materials
shall be removed to a point below the finished floors or behind finished walls and capped. Such
points shall be far enough behind finished surfaces to allow for the installation of the normal
thickness of finished material.
212009.A0 230500-15
UNIVERSITY OF GEORGIA MECHANICAL GENERAL PROVISIONS
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B. When the work specified hereinafter connects to existing equipment, piping, or ductwork, the
Contractor shall perform all necessary alterations, cuttings, or fitting of existing work as may be
necessary or required to make satisfactory connections between the new and existing work and
to leave the completed work in a finished and workmanlike condition, to the entire satisfaction
of the Designer.
C. When the work specified hereinafter or under other divisions of the contract necessitates
relocation of existing equipment, piping, or ductwork, the Contractor shall perform all work and
make all necessary changes to existing work as may be required to leave the completed work in
a finished and workmanlike condition, to the satisfaction of the Designer. All work resulting in
an extra to the contract shall be approved by the Owner and Designer before proceeding.
D. All cutting and patching necessary for the installation of the mechanical work shall be done
under this Division. Any damage done to the work already in place shall be repaired at the
Contractor's expense. Patching shall be uniform in appearance and shall match the surrounding
surface.
3.17 REMOVAL:
A. Underground piping to be removed shall be limited to piping in the areas to be occupied by the
new construction and five (5) feet beyond the new walls.
212009.A0 230500-16
UNIVERSITY OF GEORGIA COMMON MOTOR REQUIREMENTS
MAIN LIBRARY COOLING TOWER REPLACEMENT FOR HVAC EQUIPMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes basic requirements for factory-installed and field-installed motors.
1.3 DEFINITIONS
B. Field-Installed Motor: A motor installed at Project site and not factory installed as an integral
component of motorized equipment.
1.4 SUBMITTALS
A. Product Data for Motors: For each type and size of motor, provide nameplate data and ratings;
shipping, installed, and operating weights; mounting arrangements; size, type, and location of
winding terminations; conduit entry and ground lug locations; and information on coatings or
finishes.
1. For chillers and equipment with special / custom motors provide: Damage Curve
information, Starting current (transient and sub-transient), PF running and starting, and
minimum Starting Voltage tolerance.
B. Shop Drawings for Motors: Dimensioned plans, elevations, sections, and details, including
required clearances and service space around equipment. Include the following:
C. Coordination Drawings: Plans showing dimensioned layout, required working clearances, and
required area above and around field-installed motors. Show motor layout, mechanical power
212009.A0 230513-1
UNIVERSITY OF GEORGIA COMMON MOTOR REQUIREMENTS
MAIN LIBRARY COOLING TOWER REPLACEMENT FOR HVAC EQUIPMENT
transfer link, driven load, and relationship between electrical components and adjacent
structural and mechanical elements. Show support locations, type of support, and weight on
each support. Indicate field measurements.
F. Operation and Maintenance Data: For motors to include in emergency, operation, and
maintenance manuals.
B. Source Limitations: Obtain field-installed motors of a single type through one source from a
single manufacturer.
C. Product Options for Field-Installed Motors: Drawings indicate size, profiles, and dimensional
requirements of motors and are based on the specific system indicated. Refer to Division 01
Section "Product Requirements."
D. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
A. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others
unless permitted under the following conditions and then only after arranging to provide
temporary utility services according to requirements indicated:
1.7 COORDINATION
A. Coordinate features of motors, installed units, and accessory devices. Provide motors that are:
a. Multispeed controllers.
b. Reduced-voltage controllers.
2. Designed and labeled for use with variable frequency controllers, and suitable for use
throughout speed range without overheating.
3. Matched to torque and horsepower requirements of the load.
4. Matched to ratings and characteristics of supply circuit and required control sequence.
212009.A0 230513-2
UNIVERSITY OF GEORGIA COMMON MOTOR REQUIREMENTS
MAIN LIBRARY COOLING TOWER REPLACEMENT FOR HVAC EQUIPMENT
B. Coordinate motor support with requirements for driven load; access for maintenance and motor
replacement; installation of accessories, belts, belt guards; and adjustment of sliding rails for
belt tensioning.
C. Coordinate size and location of concrete bases. Cast anchor-bolt inserts into bases. Concrete,
reinforcement, and formwork requirements are specified in Division 3 Section.
PART 2 - PRODUCTS
A. Motors of horsepower ratings, enclosure types, rotational speeds, and accessories shall be
provided as specified for each item of equipment specified in other Sections.
B. In the absence of enclosure requirements specifications in other Sections, motors shall have the
following enclosure types (in accordance with NEMA MG 1):
C. Motors 3/4 horsepower and larger shall be three phase, alternating current, squirrel-cage
induction type conforming to NEMA Standard MG 1. Motor standard voltages shall be in
accordance with NEMA MG 1, and shall be suitable for operation at the system supply voltages
shown on the electrical drawings.
D. Motors shall have Class F insulation, Class B temperature rise at 1.0 service factor, and 1.15
(minimum) service factor for continuous duty of 115 percent of the nameplate horsepower
rating on sine wave power. Maximum temperature rise shall be in accordance with NEMA
Table 12.42.1 for small machines, 12.43 for medium machines, and 20.40.2 for large machines,
based on a 40 deg. C ambient temperature.
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UNIVERSITY OF GEORGIA COMMON MOTOR REQUIREMENTS
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E. NEMA frame motors shall be the manufacturer's PREMIUM EFFICIENCY design, and shall
have nominal and minimum efficiencies in accordance with NEMA MG 1 Table 12-10. The
nominal efficiency and the minimum guaranteed efficiency shall be stamped on the nameplate
of the motor.
F. Motor Bearings: Motor bearings shall be specifically designed for the drive application, and
shall be approved by the Engineer. Bearings shall have a minimum bearing life of B-10 or L-10
as defined by the AFBMA. Bearings shall be designed to carry the total hydraulic and static
thrust developed by the driven load. Bearings shall be grease or oil lubricated. Oil lubricated
motors shall be fitted with gravity-feed oil reservoirs. Grease lubricated bearings shall be re-
greasable (not sealed) and shall be supplied with grease fittings and drain plugs. Medium
voltage and variable frequency controlled motor bearings shall be electrically isolated from the
shaft on at least one end to prevent transmission of electric current. Current drain brushes shall
be fitted where it is necessary to divert the flow of electrical current from bearings. Bearings,
housing and brackets shall be constructed to permit access, removal and replacement of the
bearings without disassembly of the motor.
1. Comply with NEMA MG-1 Part 31 for motors operated on VFD’s by providing insulated
bearings and/or shaft grounding.
G. Terminal Box: Motors shall have a watertight cable terminal box. Terminal box shall be
oversized, diagonally split, and rotatable in 90o increments to allow conduit and cable entry
from top, bottom and both sides.
H. Motor Leads: Motor leads shall be a minimum of six (6) inches in length. All motor leads shall
be extended from the conduit box. Motors rated over 200 HP and over 600V shall have
insulated tin plated copper busbar terminals with NEMA standard bolt holes suitable for
compression wire lugs.
I. Drains and Breathers: Provide drain(s) at the low point of the motor. Enclosed motors shall also
be fitted with breathers.
K. Rotation: Motor rotation shall be coordinated with the requirements of the pump or fan.
L. Stainless Steel Hardware: Provide corrosion resistant hardware for motor components
including grease fittings, plugs, nuts, bolts, washers and screws.
M. Motor Casing and Coating: The motor housing shall be cast iron for small and medium
machines and fabricated steel plate for large machines. Housings shall be degreased, primed
and painted both inside and outside with a rust inhibitive primer and corrosion resistant
polyester paint. Painting shall be performed prior to installing the motor stator windings. The
primer and paint materials selected shall be suitable for the environment encountered, both
inside and outside of the casing.
N. Motors connected to Variable Frequency Motor Controllers shall be NEMA MG-1 PART 31
Compliant with additional magnet wire insulation to achieve a minimum motor impulse voltage
rating of 1600 V with a rise time of 0.1 microseconds.
212009.A0 230513-4
UNIVERSITY OF GEORGIA COMMON MOTOR REQUIREMENTS
MAIN LIBRARY COOLING TOWER REPLACEMENT FOR HVAC EQUIPMENT
O. Motor winding temperature protection shall be provided for motors 400 hp and larger. Winding
temperature protection shall consist of six 100 ohm RTD’s (resistance temperature detectors)
with three leads each, imbedded in pairs in each phase of the stator windings, and brought out to
labeled terminal in a separate motor RTD terminal box. Provide compatible motor winding
temperature monitoring at the motor controller to shut down the motor when the temperature
exceeds 10 deg. C. above Class B temperature rise, and provide three conductor shielded cable
in rigid galvanized steel conduit from the RTD’s to the motor controller.
P. Each motor, one (1) horsepower (HP) or larger, or motor driven equipment, one (1) horsepower
(HP) or larger shall have a composite power factor (PF) rating of ninety (90) percent to 100
percent when the driven equipment is operating at the design duty defined on the drawings.
Power factor correction devices shall be provided to meet the stated criteria.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine areas to receive field-installed motors for compliance with requirements, installation
tolerances, and other conditions affecting performance.
B. Examine roughing-in of conduit systems to verify actual locations of conduit connections before
motor installation.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
A. Anchor each motor assembly to base, adjustable rails, or other support, arranged and sized
according to manufacturer's written instructions. Attach by bolting. Level and align with load
transfer link.
B. For base mounted motors on concrete bases comply with Division 03.
1. Run each motor with its controller. Demonstrate correct rotation, alignment, and speed at
motor design load.
2. Test interlocks and control features for proper operation.
3. Verify that current in each phase is within nameplate rating.
1. Perform each electrical test and visual and mechanical inspection stated in NETA ATS,
Section 7.15.1. Certify compliance with test parameters.
2. Correct malfunctioning units on-site, where possible, and retest to demonstrate
compliance; otherwise, replace with new units and retest.
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UNIVERSITY OF GEORGIA COMMON MOTOR REQUIREMENTS
MAIN LIBRARY COOLING TOWER REPLACEMENT FOR HVAC EQUIPMENT
3.4 ADJUSTING
A. Align motors, bases, shafts, pulleys and belts. Tension belts according to manufacturer's written
instructions.
3.5 CLEANING
A. After completing equipment installation, inspect unit components. Remove paint splatters and
other spots, dirt, and debris. Repair damaged finish to match original finish.
212009.A0 230513-6
UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Contract Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
A. The extent and type of valves required by this Section shall be as indicated on the Contract
Drawings and/or specified in other Division 23 sections.
1.3 SUBMITTALS
A. Shop Drawings and Product Data: In accordance with Section 013300 – SUBMITTAL
PROCEDURES, submit the following:
1. Manufacturer's technical product data, including installation instructions, for each type of
valve. Include service, valve class, pressure ratings, materials, standards applicable to the
valve, and any additional information requested for a specific valve listed in this section.
2. Manufacturer's assembly-type (exploded view) shop drawings for each type of valve and
valve actuator indicating dimensions, weights, and methods of assembly of components.
3. Submit valve schedule showing manufacturer's figure number for corresponding valve
symbol used to specify valves on this specification. List all valve sizes to be supplied for
each valve symbol.
4. All valves indicated on contract drawings shall be submitted in one package in
accordance with above requirements for review unless otherwise approved by engineer.
A. Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) Compliance:
Comply with the various MSS Standard Practices referenced.
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UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
MAIN LIBRARY COOLING TOWER REPLACEMENT
1. Ensure valves are dry and internally protected against rust and corrosion.
2. Protect valve ends against damage to threads, flange faces, and weld-end preps.
3. Set valves in best position for handling. Set globe and gate valves closed to prevent
rattling; set ball and plug valves open to minimize exposure of functional surfaces; set
butterfly valves closed or slightly open; and block swing check valves in either closed or
open position.
1. Do not remove valve end protectors unless necessary for inspection; then reinstall for
storage.
2. Protect valves from weather. Store valves indoors. Maintain valve temperature higher
than the ambient dew point temperature. Outdoor storage of valves shall not be permitted.
C. Handling: Use a sling to handle valves whose size requires handling by crane or lift. Rig valves
to avoid damage to exposed valve parts. Do not use handwheels and stems as lifting or rigging
points.
PART 2 - PRODUCTS
A. General: Valves shall be provided in accordance with this specification from one of the
manufacturers listed below. Other manufacturers will not be considered.
HP
Valve Manufacturer Check Ball Butterfly Butterfly
1. Adams - - - X
2. Apollo X X X -
3. Belimo - X X X
4. Bray - X X X
5. Crane X X X -
6. DeZurik - - X -
7. Jamesbury - X X X
8. Jenkins X X X -
9. Keystone - - X X
10. Milwaukee X X X -
11. Newmans X X X X
12. Nibco X X X -
13. Powell X - - -
14. Vanessa - - X X
212009.A0 230523-2
UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
MAIN LIBRARY COOLING TOWER REPLACEMENT
HP
Valve Manufacturer Check Ball Butterfly Butterfly
15. Velan X X X X
16. Vogt X - - -
17. Williams X X - -
18. Xomox - X X X
A. General: Provide valves with features indicated and, where not otherwise indicated, provide
proper valve features as determined by the manufacturer for installation requirements. Comply
with ASME B31.1.
1. Hand wheels, fastened to valve stem, for valves other than quarter turn.
2. Lever handles, on quarter-turn valves 6 inches and smaller, except for plug valves.
Provide plug valves with square heads.
3. Chain-wheel operators, for all valves installed 6 feet or higher above finished floor.
Extend chains to an elevation of 5 feet above finished floor.
E. Extended Stems: Where insulation is indicated or specified, provide extended stems arranged to
receive insulation.
F. By-pass and Drain Connections: Provide valved by-pass where indicated on the Contract
Drawings. Comply with MSS SP-45 bypass and drain connections.
G. Neck extensions and right angle drives where indicated and where required for access to the
operator.
A. General: A system has been established which identifies the specific valves for each piping
system identified in the Contract Drawings. The specific valve specification is linked by the
service number as depicted in the "Valve Index" listed in this Section.
B. Valves are identified on the Contract Drawings by symbol. Size is indicated by the upstream
size.
C. Valves are specified in this Section according to the "Valve Index". In general, the following is
a description of the format:
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UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
MAIN LIBRARY COOLING TOWER REPLACEMENT
1. The first symbol, consisting of two letters, indicates the type of valve in accordance with
the following listing:
a. GB = Globe Valve
b. GT = Gate Valve
c. BF = Butterfly Valve
d. BL = Ball Valve
e. CX = Check Valve, X: S = Swing-type, W = Wafer-type, L = Lift-type
f. PG = Plug Valve
2. The second symbol, consisting of three numbers, indicates the valve class or the pressure
rating if a standard valve classification is not specified.
3. The third symbol consists of one letter, indicating the body construction in accordance
with the following listing:
a. B = Bronze
b. I = Iron (ductile or cast)
c. C = Carbon Steel
d. S = Stainless Steel
4. The fifth symbol, consisting of a letter, indicates the type of connection to the valve as
follows:
a. F = Flanged Ends
b. S = Screwed Ends
c. W = Welded Ends (butt, socket, sweat, brazed)
5. For example: For a 12 inch LPS shutoff valve, refer to GT150CF which indicates a Gate
Type Valve, ANSI Class 150, Carbon Steel Body, with flanged ends.
D. There may be some instances where it is desirable to substitute an item, such as a valve or
gasket at a particular location, in place of the one specified in the groups listed in the Index. In
that event, the item will be clearly indicated and specified on the Contract Drawings, and such
an indication is to take precedence over the item specified in the valve specifications. All other
terms of that group specification are to be observed.
212009.A0 230523-4
UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
MAIN LIBRARY COOLING TOWER REPLACEMENT
Piping System or
Service Pipe Sizes Shutoff Throttling Check Other Notes
A. INDEX NOTES:
1. Check valves 1-1/2” and smaller shall be CS300SS. Check valves 2” and larger shall be
CW150IF.
1. Symbol: GB125BS - 2 Inches and Smaller: Class 125 globe valve, cast bronze body and
bonnet, screwed ends; bronze seat, disc and stem, union bonnet, plug or semi-plug type
disc, inside screw, rising stem, body and bonnet material to conform to ASTM B 61 or B
62. The valve shall conform to MSS-SP-80, Class 125-B62, Type 1. Valve shall be rated
for 125 psig saturated steam service and 200 psig non-shock cold water, oil, or gas
service.
2. Symbol: GB150CF - 2-1/2 Inches and Larger: Class 150 steel globe valve, flanged ends,
bolted flanged bonnet, outside screw and yoke, rising stem, plug or semi-plug type disc,
renewable seat rings and disc. Materials shall be: Body and bonnet, ASTM A 216, Grade
WCB or A105; stem, 13 percent chromium stainless steel; seat ring, 13 percent
chromium stainless steel; disc, 13 percent chromium stainless steel or 13 percent
chromium stainless steel faced. Face to face dimension shall conform to ANSI B16.10.
Flanges shall be faced and drilled to ANSI B16.5. Working pressure and temperature
ratings shall comply with ANSI B16.34 (Standard Class).
3. Symbol: GB800CS - 2 Inches and Smaller: Class 800 globe valve, forged carbon steel
body and bonnet, screwed ends; 13 percent chrome stainless steel seat rings, disc, and
stem; bolted bonnet, plug or semi-plug type disc, renewable or integral hard face seat
rings, outside screw and yoke, rising stem, body and bonnet material to conform to
ASTM A 105. Pressure and temperature ratings shall comply with ANSI B16.34
(Standard Class). Vogt figure 12141 or equal.
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UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
MAIN LIBRARY COOLING TOWER REPLACEMENT
B. CHECK VALVES
1. Symbol: CS125BS - 2 Inches and Smaller: Class 125 horizontal swing check valve, cast
bronze body and cover, screwed ends, bronze seat and disc, screwed cover, integral seat,
body and cover material to conform to ASTM B 61 or B 62. The valve shall conform to
MSS SP-80. Valve shall be rated for 125 psig saturated steam service and 200 psig non-
shock cold water, oil, or gas service.
2. Symbol: CW125IF - 2-1/2 Inches and Larger: 125 psig resilient seated wafer check valve,
spring loaded, non-slam, double swing disc; Buna N seat seal, cast iron body, bronze
discs, Type 316 stainless steel pin and spring. The valve shall be designed to fit between
two 125 or 150 pound ANSI flanges.
3. Symbol: CW150CF - 2 Inches and Larger: Class 150 carbon steel, dual-plate, spring
loaded non-slam wafer check valve. Body material shall conform to ASTM A 216,
Grade WCB or A 105. Disc shall be ASTM A 216, Grade WCB or A 105. Springs and
pins shall be 316 SS. The seat ring shall be EPDM. Face to face dimension shall
conform to API 594. Working pressure and temperature ratings shall comply with ANSI
B16.34 (Standard Class). The valve shall be designed to fit between two 125 or 150
pound ANSI flanges.
4. Symbol: CL300SS – 1-1/2 Inches and Smaller: WOG (Non-shock)750 psig at 100ºF,
Lift-Disc Silent Check Valves: ASTM A351 Gr. CF8M stainless steel body with threaded
ends, PTFE seat and gasket; Type 316 stainless steel spring. Manufacturer/type shall be
Durabla, Titan, or approved equal.
C. BALL VALVES
1. Symbol: BL125BS - 2 Inches and Smaller: Rated 125 PSIG saturated steam pressure, 400
psig CWP, two piece construction, with bronze body, threaded connections, standard
port, chromium plated ball, replaceable “Teflon” or “PTFE” seats and seals, blowout
proof stem, vinyl covered steel handle. Valve shall have extended stem for insulated
piping.
D. BUTTERFLY VALVES
1. Symbol: BF200IF – 2-1/2 inches to 12 inches: Butterfly valve rated for 200 psig non-
shock cold water service with ASTM A536 Ductile Iron Lug Style Body. Stainless steel
stem, disc. PTFE, bronze or brass bushings. EPDM seals and liner. The valve must
conform to MSS-SP67, MSS-SP25, and API 609. Valve shall be rated for dead end
bubble tight shut-off, bi-directional flow. Actuators for six (6) inches and smaller shall
be lever type with locking trigger with ten (10) position notched quadrant. Actuators on
values eight (8) inches and larger shall be heavy duty gear operators. All actuators shall
have adjustable memory stops. Provide 2 inch neck extension for insulated valves.
2. Symbol: BF150IF – 14 inches and Larger: Butterfly valve rated for 150 psig non-shock
cold water service with ASTM A536 Ductile Iron Lug Style Body, 316 Stainless Steel
Stem & Disc, EPDM seals and O-rings, ASTM A108 Grade 1045 steel key, ASTM B-
584 Grade C83 600 Bronze or PTFE Bushing. The valve shall conform to MSS-SP67.
Valve shall be rated for dead end bubble tight shut-off, bi-directional flow. Actuators
shall be heavy duty gear operators. All actuators shall have adjustable memory stops.
Provide 2 inch neck extension for insulated valves.
3. Symbol: BF150HF – 2-1/2 Inches and Larger: (Control Valve) Class 150, high
performance butterfly style, MSS SP-67 with a carbon steel body conforming to ASTM
A216, type WCB with position indicator for sizes 8” through 24”. Lug type, bi-
212009.A0 230523-6
UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
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directional valves with 316 stainless steel disc, 17-4 PH stainless shaft, filled (reinforced)
TFE seats and TFE packing. Seat retainer ring to be bolted in place with stainless steel
bolts. If applicable, valves shall have electric gear driven operators with electric
actuation, position indication and manual override hand wheel. Acceptable
manufacturers and models include Flowseal 1LA-121RTG, Keystone K Lok, Neles-
Jamesbury Wafer Sphere #815-L-11-2236XT, and Bray Series 40.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine valve interior through the end ports for cleanliness, freedom from foreign matter, and
corrosion. Remove special packing materials, such as blocks used to prevent disc movement
during shipping and handling.
B. Actuate valve through an open-close and close-open cycle. Examine functionally significant
features, such as guides and seats made accessible by such actuation. Following examination,
return the valve closure member to the shipping position.
C. Examine threads on both the valve and the mating pipe for form (i.e., out-of-round or local
indentation) and cleanliness.
D. Examine mating flange faces for conditions that might cause leakage. Check bolting for proper
size, length, and material. Check gasket material for proper size, material composition suitable
for service, and freedom from defects and damage. In cases where higher rated raised face steel
flanges are mated to lower rated flat face cast iron flanges, remove raised face from steel flange
before bolting together.
E. Prior to valve installation, examine the piping for cleanliness, freedom from foreign materials,
and proper alignment.
A. General Application: Refer to the Contract Drawings and piping system specification sections
for specific valve applications and arrangements.
B. Locate valves for easy access and provide separate support where necessary.
C. Install valves and unions for each fixture and item of equipment arranged to allow equipment
removal without system shutdown. Unions are not required on flanged devices.
D. Install by-pass and drain valves per MSS SP-45 or as indicated on the Contract Drawings.
E. Install three-valve bypass around each control valve and throttling valve as indicated on the
Contract Drawings.
F. Install valves in horizontal piping with stem extending at or above the center of the pipe.
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UNIVERSITY OF GEORGIA GENERAL-DUTY VALVES FOR HVAC PIPING
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H. Installation of Swing Check Valves: Install for proper direction of flow and in horizontal
position or vertical position with flow direction upwards, and with hinge pin level.
I. Insulation: Where insulation is indicated for the service, insulate valves in accordance with
Section 230719 – HVAC PIPING INSULATION. Provide valves with extended stems,
arranged in manner to receive insulation.
B. Assemble joints by sequencing bolt tightening to make initial contact of flanges and gaskets as
flat and parallel as possible. Use suitable lubricants on bolt threads including anti-sieze
compound on bolts. Anti-sieze compound shall be rated for temperatures to 400 deg. F.
Tighten bolts gradually and uniformly with a torque wrench.
C. In cases where higher rated steel raised face flanges mate to lower rated cast iron flat face
flanges, remove raised face from steel flange before bolting together.
A. Valve Adjustment: After piping systems have been tested and put into service, but before final
testing, adjusting, and balancing, inspect each valve for possible leaks. Adjust or replace
packing to stop leaks, replace valve if leak persists.
B. Cleaning: Clean mill scale, grease, and protective coatings from exterior of valves and prepare
valves to receive finish painting or insulation.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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SECTION 230529 – HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT
PART 1 - GENERAL
A. Contract Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
A. This Section provides the specification for pipe hangers and supports for all piping systems
associated with this project. This includes all ASME B31.1 piping systems and B31.9 piping
systems.
C. Supports and anchors furnished as part of factory-fabricated equipment are specified as part of
equipment assembly in other Division 23 Sections.
1.3 SUBMITTALS
A. Shop Drawings, Product Data, and Quality Assurance Submittals: In accordance with Section
013300 – SUBMITTAL PROCEDURES, submit the following:
1. Pipe hanger and support schedule and isometric layout drawings of the piping system.
Schedule and Drawings shall be signed and sealed by a licensed, registered Professional
Engineer in the State of Georgia. The Schedule shall list all pipe supports and include an
identification number, the support type, loading, finish, and building attachment style of
each support. The Drawings shall identify the physical location of each support and
clearly identify each support by an identification number that matches the hanger and
support Schedule.
2. Product data, including installation instructions for each type of hanger and support
component. This information shall consist of copies of the manufacturer's catalog data
for the items provided in the pipe hanger assembly drawings and shall indicate
dimensions, materials of construction, maximum recommended load if applicable, any
operating instructions, approximate weight, and MSS SP-69 compliance. Together with
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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the pipe system isometric drawings and the manufacturer's catalog data, the assembly of
the complete system should be clearly identifiable.
3. Welder qualifications for all supports that require welding by the Contractor.
4. Paint colors and product data for all supports to be painted.
A. For all pipe support related welding performed on site, qualify welding processes and welding
operators in accordance with AWS D1.1. Certify that each welder has satisfactorily passed
AWS qualification tests for welding processes involved and, if pertinent, has undergone
recertification.
1. Provide pipe hangers and supports of which materials, design, and manufacture comply
with MSS SP-58.
2. Select and apply pipe hangers and supports, complying with MSS SP-69.
3. Fabricate and install pipe hangers and supports, complying with MSS SP-89.
4. Terminology used in this Section is defined in MSS SP-90.
C. UL and FM Compliance: Where used for fire protection piping systems, hangers, supports, and
components shall be listed and labeled by UL and FM.
A. Packaging, marking, shipping, receiving, and storage shall be performed per the
recommendations of Paragraph 9 of MSS SP-89. All damaged materials as a result of improper
delivery, storage, and handling shall be replaced at no additional cost to the Owner.
1.6 APPLICABLE PUBLICATIONS: The publications listed below form a part of this
Specification to the extent referenced. The publications are referenced in the text by basic
designation only.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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E. Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. (MSS)
PART 2 - PRODUCTS
A. Description:
D. Approvals: UL, FM, MSS-SP-69 (Type 1), Federal Specifications A-A-1192 (Type 1) and
WW-H-171-E (Type 1)
F. Basis-of-Design: Anvil Figure No.: Fig. 65 (3/8”-3”) and Fig. 260 (4”-30”)
A. Description: Curved steel plate, 12” long, with welded-in-center plate for all pipe sizes 12” and
larger, or as required by Contract Drawings
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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D. Approvals: MSS-SP-69 (Type 39 A/B), Federal Specifications A-A-1192 (Type 40 A/B) and
WW-H-171-E (Type 39 A/B)
A. Description: Shield for preclude crushing of insulation. For use with all non-roller style hangers
and supports. Shield length and thickness shall be per manufacturer’s recommendations at each
pipe size, but no less than 12” in length and a thickness of 18 gauge.
C. Finish: Galvanized
D. Approvals: MSS-SP-69 (Type 40), Federal Specifications A-A-1192 (Type 41) and WW-H-
171-E (Type 40)
A. Description: For suspension of loads from beams with flange widths to 15” and flange
thicknesses to 1.031.
D. Approvals: MSS-SP-69 (Type 28,29), Federal Specifications A-A-1192 (Type 28,29) and WW-
H-171-E (Type 28,29)
A. Description: For attachment to top or bottom flange of structural shapes where vertical hanger
rod is required to be offset from the edge of the flange and where the thickness of the joist or
flange does not exceed 1/1/4”.
D. Approvals: UL, FM, MSS-SP-69 (Type 23), Federal Specifications A-A-1192 (Type 23) and
WW-H-171-E (Type 23)
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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A. Description: For bottom-beam attachment, specifically for considerable loads and large rod
sizes.
D. Approvals: MSS-SP-69 (Type 22), Federal Specifications A-A-1192 (Type 22) and WW-H-
171-E (Type 22)
2.8 TURNBUCKLES
D. Approvals: MSS-SP-69 (Type 13), Federal Specifications A-A-1192 (Type 13) and WW-H-
171-E (Type 13)
A. Description: For pipe sizes 2”-42”, vertical pipe style support with baseplate, for bottom-pipe
support of horizontal piping or pipe elbows
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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A. Description: Stanchion saddle with u-bolt, steel yoke and nuts. Saddle base to be slipped on
vertical pipe-style support.
E. Basis-of-Design: Anvil Figure No.: 259 (Fig. 191 for 2” to 4” pipe sizes)
A. Description: Stanchion saddle with u-bolt, steel yoke and nuts, with steel locknut nipple and
cast iron reducer. Allows for vertical adjustment up to 4.5”. Saddle base to be slipped on
vertical pipe-style support.
D. Approvals: MSS-SP-69 (Type 38), Federal Specifications A-A-1192 (Type 39) and WW-H-
171-E (Type 38)
E. Basis-of-Design: Anvil Figure No.: 265 (Fig. 191 for 2” to 4” pipe sizes)
A. Description: For support of stationary steel pipe risers, cast iron pipe or conduit.
D. Approvals: MSS-SP-69 (Type 8), Federal Specifications A-A-1192 (Type 8) and WW-H-171-E
(Type 8)
F. Basis-of-Design: Anvil Figure No.: 261 (Fig. 40 if intended for use with hanger rods)
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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A. Description: For suspension of a pipe from a single rod where horizontal movement may occur
due to thermal expansion and contraction. Use with pipe covering protection saddle, refer to
manufacturer’s recommendations for sizing.
B. Construction: Cast iron roll, Carbon steel yoke, roll rod, and hex nuts
D. Approvals: MSS-SP-69 (Type 43), Federal Specifications A-A-1192 (Type 44) and WW-H-
171-E (Type 43)
F. Basis-of-Design: Anvil Figure No.: 181 (Fig. 171 when two vertical rods are to be used)
A. Description: Engineered pipe support spring hanger for suspension of pipe, breeching,
ductwork, etc. where vertical movement may occur due to thermal expansion and contraction.
Each Variable Spring Hanger to be provided shall be individually selected by the manufacture
based on: desired supporting force in operating position, thermal deflection, and weight of
pipeline to be supported.
D. Approvals: MSS-SP-69 and MSS-SP-58 (Types 51, 52, and 53) and WW-H-171-E (Types 51,
56, and 57)
E. Basis-of-Design: Anvil Figure Nos.: 82, B-268, 98 (depending on load to be supported and
deflection)
A. Description: For support of pipe, when horizontal movement is expected due to expansion and
contraction, and where no vertical adjustment is required.
B. Construction: Cast Iron roll, Carbons Steel roll rod, bolt, chair, and hex nuts
D. Approvals: MSS-SP-69 (Type 44), Federal Specifications A-A-1192 (Type 45) and WW-H-
171-E (Type 44)
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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A. Description: For support of pipe, when horizontal movement is expected due to expansion and
contraction, and where no vertical adjustment is required.
D. Approvals: MSS-SP-69 (Type 44,46), Federal Specifications A-A-1192 (Type 45,47) and WW-
H-171-E (Type 44,46)
F. Basis-of-Design: Anvil Figure No.: 271 (Fig 274 where vertical adjustment is required. 4-screw
adjustment)
A. Description: “Spider” style, designed to carry 20% of dead load weight, for maintaining
alignment of piping through its axial expansion and contraction cycles.
A. Description: “Tee” style, for support of piping where horizontal movement resulting from
expansion and contraction takes place and a low coefficient of friction is desired. No
lubrication shall be required. Allows up to 3” of insulation and 10” of travel length. Carbon
steel guides and hold-down lugs to limit lateral movement.
B. Construction: Carbon Steel tee and base, PTFE bonded slide plates
E. Rating: 750 deg F maximum temperature, -20 deg F to 400 deg F at PTFE Slide
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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A. Description: “Tee” style, for support of piping where horizontal movement resulting from
expansion and contraction takes place and a low coefficient of friction is desired. No
lubrication shall be required. Allows up to 3” of insulation and 10” of travel length.
B. Construction: Carbon Steel tee and base, PTFE bonded slide plates
E. Rating: 750 deg F maximum temperature, -20 deg F to 400 deg F at PTFE Slide
A. Description: Angled wall or column bracket for pipe support above or below the bracket.
D. Approvals: MSS SP-69 and SP-58 (Type 31), Federal Specifications A-A-1192A (Type 31)
E. Rating: Load Rating varies per figure number. Select required wall bracket for specific
application.
G. Basis-of-Design: Anvil Figure No.: 194 (Light), 195 (Medium), 199 (Heavy)
2.21 GENERAL
A. The Contractor shall provide all necessary hangers, beam clamps, hanger rods, turnbuckles,
bracing, rolls, plates, brackets, saddles, and other accessories necessary to support the pipes
from the buildings, pipe bridges, stanchions and structures. Drilling, welding, cutting, and other
operations required to attach the piping to such structures shall be part of the Contract.
Channels, angles, small beams, and other structural steel items necessary to span between
building beams or columns to support one or more pipe hangers and used solely for that purpose
shall be furnished by the Contractor and the cost thereof included in the Contract.
B. All pipelines shall be provided with complete hanger assemblies. Included shall be the pipe
hanger, washers, nuts, turnbuckles, rods, strap, clip angles, beam clamps, and through bolts.
Pipe hangers for all pipelines shall comply with MSS SP-58, SP-69, and SP-89.
C. Pipe lines to be supported include all new piping and tubing, existing piping that requires
temporary supporting due to structural related work, and existing piping where required due to
new piping connecting to existing piping.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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1. The Contractor shall be responsible for verifying that existing supports are acceptable
where tie-ins to existing piping occur. The Contractor shall consider all additional
material required as part of this Contract.
2. In order to perform calculations of the movement and support of the piping systems, it is
recognized that the Contractor will have to identify existing piping and supports not
currently shown on the Contract Drawings.
E. All supports and parts shall conform to the latest requirements of the ASME Code for Pressure
Piping B31.1, and MSS SP-58, MSS SP-69, and MSS SP-89, except as supplemented or
modified by the requirements of this Section.
F. Pipe hangers shall be capable of supporting the pipe in all conditions of operation. They shall
allow free expansion and contraction of the piping and prevent excessive stress resulting from
transferred weight being introduced into the pipe or connected equipment.
G. Piping and conduits, except electrical conduits run in floor construction, shall be run parallel
with the lines of the building, unless otherwise shown or noted on the Contract Drawings.
Electrical conduits shall not be hung on hangers with any other service pipes. The different
service pipes, valves, and fittings shall be so installed that after the covering is applied there will
not be less than one inch clear space between the finished covering and other work and between
the finished covering of parallel adjacent pipes. Hangers on different service lines, running
parallel with each other and parallel to the lines of the building. Exact location of electrical
outlets, piping, ducts, and conduits shall be coordinated among the trades so that there will be
no interference between lighting fixtures, piping, ducts, and conduits. Where conflicts between
the trades result, they shall be resolved by the Contractor to the Engineer's satisfaction and at no
expense to the Prime Contractor.
1. All rigid rod hangers shall provide a means of vertical adjustment after erection.
2. Hanger rods shall be subject to tensile loading only. At hanger locations where lateral or
axial movement is anticipated, suitable linkage shall be provided to permit swing.
3. Where horizontal piping movements are such that hanger rod angularity from the vertical
is greater than or equal to 4 degrees from the cold to hot position of the pipe, the hanger
pipe and structural attachments shall be offset in such manner that the rod is vertical in
the hot position.
4. Hanger components shall not be used for purposes other than for which they were
designed. They shall not be used for rigging and erection purposes.
1. All pipe anchors and guides shall be of welded steel construction designed with a safety
factor of not less than five.
2. The Contract Drawings for this project indicate the location of all anticipated anchors,
guides, and sway braces required to control excessive forces and moments on equipment,
over stressing of pipe material, and/or extreme malpositioning of hanger rods caused by
thermal expansion for steam, condensate, feedwater, and other hot lines.
3. The Contractor shall recognize the necessity and provide anchors, guides, and sway
braces to prevent extreme malpositioning of hanger rods, over stressing of pipe, and/or
excessive forces and moments on equipment caused by hydraulic surge in the lines.
These anchors, guides, and sway braces are not indicated on the Contract Drawings. The
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT HVAC PIPING AND EQUIPMENT
Contractor shall anticipate that such are necessary and shall allow for same in his
proposal.
4. After flushing and start up of all pipe lines, each shall be observed to locate excessive
movement and then shall be guided or anchored by the Contractor at this time.
5. Where the piping system is subject to shock loads, such as seismic disturbances or thrusts
imposed by the actuation of safety valves, hanger design shall include provisions for rigid
restraints or shock absorbing devices of approved design, such as Grinnell Fig. 200 or
approved equal shock and sway suppressor.
6. Supports, guides, and anchors shall be so designed that excessive heat will not be
transmitted to the building steel. The temperature of supporting parts shall be based on a
temperature gradient of 100 deg. F per inch from the outside surface of the pipe.
A. The Contractor is responsible for providing supports and anchoring all relief valve vent piping.
B. The Contractor shall obtain the actual relief forces from the actual valves provided and use them
to design anchors that secure the vent piping.
C. Consideration shall be given to the spacing between the drip pan elbow outlet and the
movement of the relief valve due to the thermal expansion of the equipment the relief valve is
connected to and the thermal movement of the relief vent piping as it grows away from its
anchor.
D. All relief valve vent supports and anchors shall be designed to not put any undue force on the
relief valve itself.
E. The work involved for the design, equipment, and labor of the relief vent piping support system
is considered part of the Contract.
A. Hangers shall be so spaced as to prevent sag and permit proper drainage. Hanger spacing for
pipes 2 inches NPS and smaller shall be less than 6 feet between hangers. Hanger spacing for
pipes 2-1/2 inches NPS and larger shall be less than 10 feet between hangers. Provide a hanger
at elbows (within 2 feet) and terminations.
B. Horizontal pipe attachments shall be selected in accordance with Table 1 of MSS SP-69.
Selection of components must strictly adhere to the allowable temperature ranges listed and the
presence of insulation.
C. Pipe Clamps: Double bolt pipe clamps when used on insulated hot pipe shall match the pipe
outer diameter. Insulation shall be applied so as to cover both clamp and pipe.
D. Clevis Hangers
1. Clevis hangers used on uninsulated lines shall match the pipe outer diameter. Clevis
hangers used on uninsulated cold lines shall be so sized that the inner diameter of the
hanger matches the outer diameter of the piping insulation.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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2. Oversized clevis hangers 4 inches and larger shall have a Schedule 40 pipe sleeve over
the horizontal bolt (that is clevis hangers sized to fit over the insulation of lines).
Adjustable steel clevis type pipe hangers are preferred rather than clamp hangers for
uninsulated pipe. All except clamp type hangers on insulated lines shall have sufficient
width to clear the pipe covering aluminum jacket.
E. Brackets used for supporting piping shall be of welded steel construction with a design safety
factor of not less than five.
A. Variable support hangers shall be used for all vibrating equipment such as fans, air handling
units, etc. and as otherwise identified on the Contract Drawings.
C. Where transfer of load to adjacent hangers or equipment is not critical, and where the vertical
movement of the piping is less than 3/4 inch, variable spring hangers may be used, provided the
variation in supporting effect does not exceed 25 percent of the calculated piping load through
its total vertical travel.
D. For non-critical, low temperature systems, where vertical movements up to 2 inches are
anticipated, an approved pre-compressed variable spring design similar to Grinnell Fig. B-268
may be used. Where the vertical movement is greater than 2 inches, a variable spring hanger
similar to Grinnell Fig. 98 may be used. Where movements are of a small magnitude, spring
hangers similar to Grinnell Fig. 82 may be used.
E. Each variable spring shall be individually calibrated at the factory and furnished with travel
stops. Spring coils must be square to within 1 degree to insure proper alignment. Each spring
coil must be purchased with a C.M.T.R. and be of domestic manufacture.
A. Provide Factory-fabricated vertical-piping clamps complying with MSS SP-58 to suit vertical
piping systems in accordance with MSS SP-69 and manufacturer's published product
information. Select size of vertical piping clamps to exactly fit pipe size of bare pipe. Provide
copper-plated clamps for copper-piping systems.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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A. Provide factory-fabricated building attachments complying with MSS SP-58 to suit building
substrate conditions in accordance with MSS SP-69 and manufacturer's published product
information. Select site of building attachments to suit hanger rods.
A. General: Provide saddles, shields, and structural inserts per the specification below, or as
otherwise indicated on the Contract Drawings.
B. Saddles: Provide factory fabricated saddles under all roller-style piping hangers and supports
for all insulated piping. Saddles shall be sized for exact fit to mate with pipe insulation and
shall comply with MSS SP-58, MSS SP-69 and manufacturers published product information.
Saddles for use at support points on all 100 degrees to 750 degrees insulated pipe lines shall be
commercial steel plate type. The saddle shall be tack welded to the pipe and extend out past the
insulation O.D. Saddles shall be Anvil/Grinnell Figures 160-166 or approved equal.
C. Shields: Provide factory fabricated shields under all non-roller piping hangers and supports for
all insulated piping. Shields shall be sized for exact fit to mate with pipe insulation and shall
comply with MSS SP-58, MSS SP-69 and manufacturers published product information.
Shields shall be Anvil Figure 167 or approved equal. Shield length and thickness shall be per
manufacturer’s recommendations for the application, but in no case shall the shield be less than
12 inches long and 18 gauge thick.
D. Structural Inserts: Provide high density structural inserts between the pipe and the insulation
finish, spanning the entire length of the shield. Insert thickness shall equal the insulation
thinkness for the specific application. Inserts shall be semicircular, with an inner circumference
equal to one half of the outer circumference of the pipe. Refer to insulation specification for
structural insert material specification.
A. Steel Plates, Shapes and Bars: Provide products complying with ASTM A 36.
B. Cement Grout: Portland Cement (ASTM C 150, Type I or Type III) and clean uniformly
graded, natural sand (ASTM C 404, Size No. 2). Mix at a ratio of 1.0 part cement to 3.0 parts
sand, by volume, with minimum amount of water required for placement and hydration.
C. Heavy-Duty Steel Trapezes: Fabricate from steel shapes selected for loads required; weld steel
in accordance with AWS standards.
A. Pipe Guides: Refer to details on Contract Drawings. Provide factory-fabricated guides, of cast
semi-steel or heavy fabricated steel, consisting of bolted two-section outer cylinder and base
with two-section guiding spider bolted tight to pipe. Size guide and spiders to clear pipe and
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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insulation (if any), and cylinder. Provide guides of length recommended by manufacturer to
allow calculated travel.
PART 3 - EXECUTION
3.1 INSPECTION
A. The installation, adjustment, and inspection of all hangers systems shall be performed by the
Contractor in accordance with Paragraph 10 of MSS SP-89.
B. During renovation and installation of equipment, the Contractor shall be responsible for the
temporary support of all piping systems where necessary due to the phasing of construction.
Temporary support systems shall be in accordance with the requirements of this Section.
3.2 PREPARATION
A. Proceed with installation of permanent hangers, supports, and anchors only after required
building structural work has been completed in areas where the work is to be installed. Correct
inadequacies including, but not limited to, proper placement of inserts, anchors and other
building structural attachments.
B. Prior to installation of hangers, supports, anchors and associated work but after the pipe hanger
submittal has been reviewed by the Engineer, the Installer shall meet at project site with
Contractor, installer of each component of associated work, installers of other work requiring
coordination with work of this Section, and Engineer for purpose of reviewing material
selections and procedures to be followed in performing the work in compliance with this
Section.
A. General: Install hangers, supports, clamps and attachments to support piping properly from
building structure; comply with MSS SP-69 and SP-89. Install supports with maximum spacing
complying with MSS SP-69 and to permit normal pitch of pipe with deflection and bending
stress maintained at a minimum.
B. During the hydrostatic testing of any line with spring hangers designed for fluids lighter than
water, travel stops or locks must be installed on the hangers or temporary solid rod supports
must be provided during the entire time the line is filled with water to support its additional
weight and thereby prevent overloading the springs. When tests are completed, the stops, locks,
or solid rods must be removed and the hanger springs set for their cold loads.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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C. On the first occasion that any line is brought to operating temperature, the Contractor shall
immediately reset each spring hanger to its hot load position and lock the adjusting nut or
screw.
D. Install building attachments to structural steel. Space attachments within maximum piping span
length indicated in MSS SP-69. Install additional attachments at concentrated loads, including
valves, flanges, guides, strainers, expansion joints, and at changes in direction of piping.
E. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, washers, and
other accessories. Except as otherwise indicated for exposed continuous pipe runs, install
hangers and supports of same type and style as installed for adjacent similar piping.
F. Prevent electrolysis in support of copper tubing by use of hangers and supports which are
copper plated, or by other recognized industry methods.
G. Support fire protection systems piping independently from other piping systems.
H. Install hangers and supports to allow controlled movement of piping systems, to permit freedom
of movement between pipe anchors, and to facilitate action of expansion joints, expansion
loops, expansion bends and similar units.
I. Install hangers and supports so that piping live and dead loading and stresses from movement
will not be transmitted to connected equipment.
A. Install anchors at proper locations to prevent stresses from exceeding those permitted by ASME
B31.1 and to prevent transfer of loading and stresses to connected equipment.
B. Fabricate and install anchors by welding steel shapes, plates, and bars to piping and to structure.
Comply with ASME B31.1 and with AWS Standards D1.1.
A. Cut, drill, and fit miscellaneous metal fabrications for pipe anchors and equipment supports.
Install and align fabricated anchors in indicated locations.
B. Fit exposed connections together to form hairline joints. Field weld connections that cannot be
shop welded because of shipping size limitations.
C. Field Welding: Comply with AWS D1.1 for procedures of manual shielded metal-arc welding,
appearance and quality of welds made, methods used in correcting welding work, and the
following:
1. Use materials and methods that minimize distortion and develop strength and corrosion
resistance of base metals.
2. Obtain fusion without undercut or overlap.
3. Remove welding flux immediately.
4. Finish welds at exposed connections so that no roughness shows after finishing, and so
that contours welded surfaces to match adjacent contours.
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UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
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3.6 FINISH
A. Exterior Supports: All interior hangers, supports, and accessories shall be galvanized steel. DO
NOT paint galvanized steel hangers and supports.
B. Interior Supports: All interior hangers, supports, and accessories shall be galvanized steel or
painted carbon steel. DO NOT paint galvanized steel hangers and supports. Carbon steel
hangers shall be painted after installation, in accordance with Section 09900 – PAINTING.
Paint color shall match the color of the surroundings (walls, ceilings, etc.) Submit proposed
painting color scheme for Engineer approval before painting hangers and supports.
3.7 ADJUSTING
A. Hanger Adjustment: Adjust hangers to distribute loads equally on attachments and to achieve
proper slope of pipe.
B. Touch-Up Painting: Cleaning and touch-up painting of field welds, bolted connections, and
abraded areas of the shop paint on miscellaneous metal is specified in Section 09900 -
PAINTING.
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Provide a complete pipeline heat tracing system as shown on the Drawings and in
conformance with the requirements in this Section and Division 15 Mechanical General
Provisions
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
1.3 SUMMARY
A. This Section describes requirements for a complete electrical heat tracing system
including heat tracing panelboard, temperature self-regulating polymer heat trace cables
for insulated pipeline applications, line voltage thermostat controls, cold junction boxes,
cable splices, end-of-line indicator lights, and related accessories.
1.4 DEFINITIONS
1.5 QUALIFICATIONS
B. IEEE 515-1997 IEEE Standard for the Testing, Design, Installation and Maintenance of
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
MAIN LIBRARY COOLING TOWER REPLACEMENT
1.7 SUBMITTALS
B. Coordination Drawings: Submit scaled plans, sections, elevations, details, and schedules
showing heating cable layout with heat trace panelboard(s), thermostats, cold junction
boxes, splices, taps, and panelboard schedules.
C. Field Test Reports: Record and interpret test results for compliance with specified
performance requirements.
D. Qualification Data: For testing firm and testing firm’s field supervisor.
F. Operation and Maintenance Manual: For electric heat tracing components, to include in
Operation and Maintenance Manuals specified in Special Conditions and in Division 16
Section “Electrical General Provisions”.
B. Source Limitations: Obtain heat tracing cables and accessories from a single qualified
manufacturer.
C. Unit Responsibility: The heat tracing system manufacturer shall be responsible for the
design of the entire heat tracing system described in this Section.
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
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1.9 COORDINATION
A. Coordinate layout and installation of electric heating cables and system components with
mechanical piping construction specified in Division 15.
PART 2 - PRODUCTS
A. The heat tracing design shown on the Drawings is based on Raychem Corporation.
1. The Contractor and the manufacturer shall re-design the heat tracing system for the
specified performance requirements, and adjust the quantity and conduit and wire
sizes for branch circuits, the heat trace cable lengths, the quantity and trip ratings
of branch circuit breakers, and the quantity and location of cold junction boxes, to
suit the proposed alternate manufacturer’s products.
2. No delays to completion of the Project.
3. No additional cost to the Owner.
2.2 MANUFACTURERS
A. Heat trace cable and electrical components shall be NRTL listed and labeled in
accordance with NEC Article 100, and OSHA requirements in 29 CFR 1910.7
1. Core and buswires: Nickel-plated copper wires, minimum #16 AWG, configured
as parallel buswires that provide constant voltage across a temperature self-
regulating heating element
2. Self-Regulating Heating Element: cross-linked polymer or self-regulating
polymeric fiber that varies heat output in response to heating element temperature
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
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2.6 ENCLOSURES
A. Electrical Enclosures:
1. Heat Trace Panelboards: as shown on the Drawings in accordance with NEMA
250. Materials of construction shall be as specified in Division 16 Section
“Panelboards”.
2. Thermostat housings, cold junction boxes, and other electrical enclosures shall be
cast aluminum with plastic coating, zinc-coated malleable iron with plastic coating,
stainless steel, or fiberglass-reinforced plastic, rated NEMA 4X in accordance with
NEMA 250.
3. Covers: gasketed and fastened with brass or stainless steel screws.
4. Electrical enclosures shall be suitable for outdoor use in the ambient conditions at
the installation site.
5. Condensation inside electrical enclosures shall be prevented by one or more of the
following methods:
D. Insulation type and thickness: As shown on the Drawings and specified in Division 23.
E. Heat tracing system shall have nominal wattage output as shown on the Drawings.
F. Cable shall be capable of providing at least 90 percent of nominal power output over a
temperature range from 40 to 150 deg F pipe temperature, and shall be capable of
crossing over itself without overheating.
G. The electrical heat tracing system shall maintain at least 75% of the specified wattage
output in the specified environment for a minimum design life of 20 years when operated
and maintained at less than the maximum continuous exposure temperature in accordance
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
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with the manufacturer’s recommendations. The heat tracing system shall be certified to
operate at 90% of power output after 1000 hours of exposure to the maximum
intermittent exposure temperature when tested in accordance with UL 746B.
A. Freeze Protection Thermostat with Air Temperature Sensors: Provide line voltage
thermostat with integral air temperature sensor and adjustable temperature range setpoint
from 0 to 100 deg. F. Energize heat trace cabling when outside air temperature falls to 35
deg. F. Provide thermostat with green indicating lamp that is illuminated when
thermostat is closed.
B. Low Temperature Alarm Thermostat: Provide thermostat with remote bulb and capillary
tube temperature sensor and adjustable temperature range setpoint from 0 to 100 deg F.
Energize alarm when sensor temperature falls to 35 deg. F. Provide thermostat with red
indicating lamp that is illuminated when thermostat is closed.
A. Cable and Accessory Supports: Provide wrapping tapes, cable ties, and pipe clamps to
fasten heat trace cables and accessories in place in accordance with manufacturer’s
installation instructions.
B. Cold Junction Boxes: Threaded opening suitable for ¾ inch threaded conduit connection,
cast aluminum with protective coating and gasketed screw cover. Provide green
grounding screw for equipment ground wire, and spring clamp or screw terminals for line
and neutral wires.
C. Illuminated End Seals: Heat shrink insulation with “cable energized” LED type indicator
lamp.
D. Splices: Compression connectors, with heat shrink insulation over conductors and over
outer jacket.
E. Aluminum tape: Apply over heat trace cable for full length of plastic piping.
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
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B. Manufacturing Process
1. Cable production shall be monitored, controlled, and tested in accordance with the
manufacturer’s quality assurance program.
2. Components shall be tagged and shipment shall be checked for completeness.
2.12 WARRANTY
A. Provide parts and labor warranty in accordance with Division 1 and Division 26 Section
“Electrical General Provisions”.
B. General Warranty: Special warranty specified in this Article shall not deprive Owner of
other rights Owner may have under other provisions of the Contract Documents and shall
be in addition to, and run concurrent with, other warranties made by Contractor under
requirements of the Contract Documents.
PART 3 - EXECUTION
A. Deliver, store, and handle heat tracing components in accordance with manufacturer’s
instructions and recommendations.
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A. Piping and supports shall be substantially complete without burrs or sharp protrusions,
tested, and clean prior to starting installation of heat tracing.
B. Examine surfaces and substrates to receive heating cables for compliance with specified
requirements for installation, including manufacturer’s installation instructions and
recommendations.
3.3 INSTALLATION
D. Proceed with installation only after unsatisfactory conditions have been corrected.
E. Cut cable to length required, and fasten to piping with tape, ties, and supports furnished
by the heat trace manufacturer.
A. Connect heating cables and other components to power supply wiring as shown on the
Drawings, or as shown on approved re-design drawings provided by a specified alternate
heat trace manufacturer.
B. Connect control wiring as shown on the manufacturer’s approved field wiring diagrams.
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
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A. Apply heat trace warning labels to heat traced piping, spaced at 5 foot intervals.
B. Provide typed branch circuit panelboard schedule identifying each cold junction box.
1. Test insulation resistance for each enclosed controller element, cable, branch
circuit, and control circuit.
2. Test continuity of each circuit.
C. Testing Agency: Owner will engage a qualified testing and inspecting agency to perform
field tests and inspections and prepare test reports.
D. Testing Agency: Engage a qualified testing and inspecting agency to perform the
following field tests and inspections and prepare test reports:
E. Perform the following field tests and inspections and prepare test reports:
1. Testing prior to initial energization, before application of pipe insulation:
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UNIVERSITY OF GEORGIA PIPELINE HEAT TRACING
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a. Set thermostatic controls and monitor operation of heat tracing system under
actual operating conditions if possible, otherwise test system with empty
piping.
b. Test cables to verify rating and power input. Energize branch circuit
wiring. Record ambient temperature. Measure voltage and current
simultaneously, and record test results at one minute intervals for 10
minutes.
A. 90 days prior to Substantial Completion, provide a list of spare parts and special tools
recommended by the Manufacturer for this Project, with prices.
3.9 PROTECTION
A. Protect installed heating tracing system from damage in accordance with Special
Conditions.
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and other Division 01 Specification Sections, apply to work of this Section.
1.2 SUMMARY
E. Refer to Division 26 sections for identification requirements of electrical work; not work of this
section.
1.3 SUBMITTALS
A. Product Data: Provide manufacturers’ technical product data and installation instructions for
each type of identification device specified.
B. Samples: Provide samples of each color, lettering style, and other graphic representation
required for:
C. Valve Identification Schedule: For each piping system provide a proposed valve numbering
scheme and schedule. Reproduce on standard-size bond paper. Tabulate valve number, piping
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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system, system abbreviation as shown on tag, room or space location of valve, normal-operating
position (open, closed, or modulating), and variations for identification. Mark valves intended
for emergency shut-off and similar special uses. Besides mounted copies, furnish copies from
maintenance manuals specified in Special Conditions.
D. Equipment Label Identification Schedule: Include a listing of all equipment to be labeled with
the proposed content for each label.
E. Pipe System Label Identification Schedule: Include a list of all piping systems indicating a
proposed nomenclature. Where a manufacturer's standard pre-printed nomenclature does not
match up exactly with what is specified, proposed nomenclature will be evaluated for
acceptance.
1. ANSI Standards: Comply with ANSI A13.1 for lettering size, length of color field,
colors, and viewing angles of identification devices.
1.5 COORDINATION
B. Coordinate installation of identifying devices with locations of access panels and doors.
C. Install identifying devices before installing acoustical ceilings and similar concealment.
PART 2 - PRODUCTS
A. General: Provide manufacturer's standard products of categories and types required for each
application as referenced in other Division 23 sections. For each identification type, provide all
tags from same manufacturer with same text, style, color, shape, and other identification
features.
A. Description: For the purpose of identifying manual valves, control valves, meters, pressure
regulating valves, and steam traps, the Contractor shall provide on each item an engraved brass
identification tag. This identification tag shall be in addition to any valve identification plates
designated for the valve. All valves shall be identified, even those provided as part of a package
for a piece of equipment.
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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B. Lettering: Symbol letters and numerals shall be not less than 3/16 inch high and shall be
engraved into the metal tag. Letter and numeral engraving shall be filled black.
C. Size and Shape: Round, minimum 1-1/2 inch diameter with a minimum 0.032-inch thickness.
D. Fastening: Attach through punched hole on side of tag to valve body or yoke, not the valve
handwheel.
A. Material and Thickness: Multicolor, 3-layer, laminated plastic signs for mechanical engraving,
1/16 inch (1.6 mm) thick with self-adhesive backing for attachment.
B. Background Color: Black, for all equipment unless otherwise requested by owner. At the
owner’s request the following optional color may be used:
D. Size: 2-1/2 by 4 inches for control devices, dampers, and valves; 4-1/2 by 6 inches for
equipment.
E. Maximum Temperature: Able to withstand temperatures up to 160 deg F (71 deg C).
F. Minimum Letter Size: 3/4 inch (20 mm) for name of units. Include secondary lettering two-
thirds to three-fourths the size of principal lettering.
G. Terminology: Match schedules as closely as possible for equipment designation, but capacities
shall be per actual equipment. Include the following:
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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A. Description: The Contractor shall provide pre-coiled, semi-rigid, pre-printed snap-on type pipe
markers for each piping system for all new piping that is provided under this contract. Pipe
markers shall indicate line contents, and direction of flow.
B. Material: Fade-resistant, vinyl material. All markers shall have a service temperature of -40°F
to 175°F and be rated for outdoor service. Material shall be compatible with carbon steel pipe,
stainless steel pipe, plastic pipe, all service jackets, Canvas jacketing, and aluminum jacketing.
C. Arrangement: For external diameters (including insulation) equal to or greater than 1-1/2",
rectangular pipe contents indication marker shall contain only one line of text and appear on
both sides of the pipe with a flow direction arrow roll wrapping 360 degrees around at both ends
of the pipe contents indication marker. For external diameters less than 1-1/2", provide full-
band marker extending 360 degrees around pipe. The wording of each marker shall be spelled
out in the direction of the travel of the pipe.
D. Color, Size and Shape: Depending on service, yellow markers with black lettering or green
markers with white letters. Content markers minimum text height shall be as follows:
PART 3 - EXECUTION
A. Valve Schedule: Contractor shall provide aluminum framed, glass encased, valve and
equipment schedules for placement each in the control room (all equipment and valves), chiller
room (chiller room equipment and valves only), and boiler room (boiler room equipment and
valves only), etc. Tabulate valve number, piping system, system abbreviation as shown on tag,
room or space location of valve, normal-operating position (open, closed, or modulating), and
variations for identification. Mark valves intended for emergency shut-off and similar special
uses. Besides mounted copies, furnish copies from maintenance manuals specified in Special
Conditions.
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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B. Items Tagged: Install valve identification tags on manual valves, control valves, meters,
pressure regulating valves, and steam traps. This identification tag shall be in addition to any
valve identification plates designated for the valve.
1. Provide a brass identification tag for every manual valve, no matter what size, including
gate, globe, ball, check, plug, diaphragm, angle, butterfly, and stock which indicates the
valve type identification.
2. Location: Attach tag to valve body or yoke, not the valve handwheel.
A. Install engraved plastic-laminate signs or equipment markers on or near each major item of
mechanical equipment. Include signs for the following general categories of equipment:
1. Boilers, deaerators, water softeners, brine tanks, condensate polishers, condensate return
units, etc.
2. Main control and operating valves, including safety devices and hazardous units such as
gas outlets.
3. Fire department hose valves and hose stations.
4. Control System equipment panels.
5. Meters, gauges, thermometers, transmitters, and similar units.
6. Boilers, steam generators, and similar equipment.
7. Pumps, compressors, chillers, condensers, and similar motor-driven units.
8. Heat exchangers, coils, evaporators, cooling towers, heat recovery units, and similar
equipment.
9. Fans, blowers, primary balancing dampers, and mixing boxes.
10. Packaged HVAC central-station and zone-type units, air handlers and condensing units.
11. Tanks and pressure vessels.
12. Strainers, filters, humidifiers, water-treatment systems, air separators and similar
equipment.
B. Mark location of equipment above ceilings with identifying “buttons” to help in identification
for maintenance.
A. General: Provide pipe markers on every system including pipe contents service (such as supply
and return) and flow direction. Locations of all markers shall be subject to final approval by the
Owner.
B. Location:
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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e. Near all origination and termination points of all equipment (tanks, pumps, etc.).
f. Near the inside and outside of concealed points.
g. Outdoors at each major elevation.
2. Where pipes run parallel to each other, identify each pipe in the same general location.
Note: PIC Plastics is the design basis for PVC finish colors.
B. Colors shall be approved by the Owner after a sample is shown submitted next to some existing
identified piping for each service.
C. All steel piping and all types of insulated piping (except flexible elastomeric type) in the plant
shall be identified unless otherwise noted, according to the guidelines listed below.
D. Do not paint aluminum or PVC jacket. Do not paint copper, cast iron, stainless steel, or
galvanized piping.
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
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A. Adjusting: Relocate any mechanical identification device which has become visually blocked
by work of this section or other sections.
C. Painting and Insulating: Do not paint or insulate over any identification tags. Tags shall be
installed and after all painting is completed or shall be covered during painting.
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes testing, adjusting, and balancing HVAC systems to produce design
objectives, including the following:
1. Balancing airflow and water flow within distribution systems, including submains,
branches, and terminals, to indicated quantities according to specified tolerances.
2. Adjusting total HVAC systems to provide indicated quantities.
3. Measuring electrical performance of HVAC equipment.
4. Setting quantitative performance of HVAC equipment.
5. Verifying that automatic control devices are functioning properly.
6. Measuring sound and vibration.
7. Reporting results of the activities and procedures specified in this Section.
B. Equipment that should be tested and balanced is as follows: new cooling tower, existing chiller
(condenser side), and new pumps.
1. Testing and adjusting requirements unique to particular systems and equipment are
included in the Sections that specify those systems and equipment.
2. Field quality-control testing to verify that workmanship quality for system and equipment
installation is specified in system and equipment Sections.
1.3 DEFINITIONS
A. Adjust: To regulate fluid flow rate and air patterns at the terminal equipment, such as to reduce
fan speed or adjust a damper.
B. Balance: To proportion flows within the distribution system, including submains, branches, and
terminals, according to design quantities.
C. Draft: A current of air, when referring to localized effect caused by one or more factors of high
air velocity, low ambient temperature, or direction of airflow, whereby more heat is withdrawn
from a person's skin than is normally dissipated.
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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E. Report Forms: Test data sheets for recording test data in logical order.
F. Static Head: The pressure due to the weight of the fluid above the point of measurement. In a
closed system, static head is equal on both sides of the pump.
G. Suction Head: The height of fluid surface above the centerline of the pump on the suction side.
H. System Effect: A phenomenon that can create undesired or unpredicted conditions that cause
reduced capacities in all or part of a system.
I. System Effect Factors: Allowances used to calculate a reduction of the performance ratings of a
fan when installed under conditions different from those presented when the fan was
performance tested.
J. Terminal: A point where the controlled medium, such as fluid or energy, enters or leaves the
distribution system.
L. Testing, Adjusting, and Balancing Agent: The entity responsible for performing and reporting
the testing, adjusting, and balancing procedures.
1.4 SUBMITTALS
A. Quality-Assurance Submittals: Within 30 days from the Contractor's Notice to Proceed, submit
2 copies of evidence that the testing, adjusting, and balancing Agent and this Project's testing,
adjusting, and balancing team members meet the qualifications specified in the "Quality
Assurance" Article below.
B. Contract Documents Examination Report: Within 45 days from the Contractor's Notice to
Proceed, submit 2 copies of the Contract Documents review report as specified in Part 3 of this
Section.
C. Strategies and Procedures Plan: Within 60 days from the Contractor's Notice to Proceed,
submit 2 copies of the testing, adjusting, and balancing strategies and step-by-step procedures as
specified in Part 3 "Preparation" Article below. Include a complete set of report forms intended
for use on this Project.
D. Certified Testing, Adjusting, and Balancing Reports: Submit 2 copies of reports prepared, as
specified in this Section, on approved forms certified by the testing, adjusting, and balancing
Agent.
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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E. Sample Report Forms: Submit 2 sets of sample testing, adjusting, and balancing report forms.
F. Warranty: Submit 2 copies of special warranty specified in the "Warranty" Article below.
A. Agent Qualifications: Engage a testing, adjusting, and balancing agent certified by AABC.
B. Testing, Adjusting, and Balancing Conference: Meet with the Owner's and the Designer’s
representatives on approval of the testing, adjusting, and balancing strategies and procedures
plan to develop a mutual understanding of the details. Ensure the participation of testing,
adjusting, and balancing team members, equipment manufacturers' authorized service
representatives, HVAC controls Installer, and other support personnel. Provide 7 days' advance
notice of scheduled meeting time and location.
C. Certification of Testing, Adjusting, and Balancing Reports: Certify the testing, adjusting, and
balancing field data reports. This certification includes the following:
1. Review field data reports to validate accuracy of data and to prepare certified testing,
adjusting, and balancing reports.
2. Certify that the testing, adjusting, and balancing team complied with the approved
testing, adjusting, and balancing plan and the procedures specified and referenced in this
Specification.
D. Testing, Adjusting, and Balancing Reports: Use standard forms from AABC's "National
Standards for Testing, Adjusting, and Balancing."
A. Partial Owner Occupancy: The Owner may occupy completed areas of the building before
Substantial Completion. Cooperate with the Owner during testing, adjusting, and balancing
operations to minimize conflicts with the Owner's operations.
1.7 COORDINATION
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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A. Coordinate the efforts of factory-authorized service representatives for systems and equipment,
HVAC controls installers, and other mechanics to operate HVAC systems and equipment to
support and assist testing, adjusting, and balancing activities.
B. Notice: Provide 7 days' advance notice for each test. Include scheduled test dates and times.
C. Perform testing, adjusting, and balancing after leakage and pressure tests on air and water
distribution systems have been satisfactorily completed.
1.8 WARRANTY
A. General Warranty: The national project performance guarantee specified in this Article shall
not deprive the Owner of other rights the Owner may have under other provisions of the
Contract Documents and shall be in addition to, and run concurrent with, other warranties made
by the Contractor under requirements of the Contract Documents.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine Contract Documents to become familiar with project requirements and to discover
conditions in systems' designs that may preclude proper testing, adjusting, and balancing of
systems and equipment.
1. Contract Documents are defined in the General and Supplementary Conditions of the
Contract.
2. Verify that balancing devices, such as test ports, gage cocks, thermometer wells, flow-
control devices, balancing valves and fittings, and manual volume dampers, are required
by the Contract Documents. Verify that quantities and locations of these balancing
devices are accessible and appropriate for effective balancing and for efficient system and
equipment operation.
D. Examine Designer’s design data, including HVAC system descriptions, statements of design
assumptions for environmental conditions and systems' output, and statements of philosophies
and assumptions about HVAC system and equipment controls.
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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E. Examine equipment performance data, including fan and pump curves. Relate performance
data to project conditions and requirements, including system effects that can create undesired
or unpredicted conditions that cause reduced capacities in all or part of a system. Calculate
system effect factors to reduce the performance ratings of HVAC equipment when installed
under conditions different from those presented when the equipment was performance tested at
the factory. To calculate system effects for air systems, use tables and charts found in
AMCA 201, "Fans and Systems," Sections 7 through 10; or in SMACNA's "HVAC Systems--
Duct Design," Sections 5 and 6. Compare this data with the design data and installed
conditions.
F. Examine system and equipment installations to verify that they are complete and that testing,
cleaning, adjusting, and commissioning specified in individual Specification Sections have been
performed.
H. Examine HVAC system and equipment installations to verify that indicated balancing devices,
such as test ports, gage cocks, thermometer wells, flow-control devices, balancing valves and
fittings, and manual volume dampers, are properly installed, and their locations are accessible
and appropriate for effective balancing and for efficient system and equipment operation.
I. Examine systems for functional deficiencies that cannot be corrected by adjusting and
balancing.
K. Examine 3-way valves for proper installation for their intended function of diverting or mixing
fluid flows.
L. Examine open-piping-system pumps to ensure absence of entrained air in the suction piping.
M. Examine equipment for installation and for properly operating safety interlocks and controls.
1. Dampers, valves, and other controlled devices operate by the intended controller.
2. Dampers and valves are in the position indicated by the controller.
3. Integrity of valves and dampers for free and full operation and for tightness of fully
closed and fully open positions. This includes dampers in multizone units, mixing boxes,
and variable-air-volume terminals.
4. Automatic modulating and shutoff valves, including 2-way valves and 3-way mixing and
diverting valves, are properly connected.
5. Thermostats and humidistats are located to avoid adverse effects of sunlight, drafts, and
cold walls.
6. Sensors are located to sense only the intended conditions.
7. Sequence of operation for control modes is according to the Contract Documents.
8. Controller set points are set at design values. Observe and record system reactions to
changes in conditions. Record default set points if different from design values.
9. Interlocked systems are operating.
10. Changeover from heating to cooling mode occurs according to design values.
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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O. Report deficiencies discovered before and during performance of testing, adjusting, and
balancing procedures.
3.2 PREPARATION
A. Prepare a testing, adjusting, and balancing plan that includes strategies and step-by-step
procedures.
B. Complete system readiness checks and prepare system readiness reports. Verify the following:
A. Perform testing and balancing procedures on each system according to the procedures contained
in AABC national standards and this Section.
B. Cut insulation, ducts, pipes, and equipment cabinets for installation of test probes to the
minimum extent necessary to allow adequate performance of procedures. After testing and
balancing, close probe holes and patch insulation with new materials identical to those removed.
Restore vapor barrier and finish according to the insulation Specifications for this Project.
C. Mark equipment settings with paint or other suitable, permanent identification material,
including damper-control positions, valve indicators, fan-speed-control levers, and similar
controls and devices, to show final settings.
A. Prepare test reports with pertinent design data and number in sequence starting at pump to end
of system. Check the sum of branch-circuit flows against approved pump flow rate. Correct
variations that exceed plus or minus 5 percent.
C. Prepare hydronic systems for testing and balancing according to the following, in addition to the
general preparation procedures specified above:
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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6. Set system controls so automatic valves are wide open to heat exchangers.
7. Check pump-motor load. If motor is overloaded, throttle main flow-balancing device so
motor nameplate rating is not exceeded.
8. Check air vents for a forceful liquid flow exiting from vents when manually operated.
A. Determine water flow at pumps. Use the following procedures, except for positive-
displacement pumps:
1. Verify impeller size by operating the pump with the discharge valve closed. Verify with
the pump manufacturer that this will not damage pump. Read pressure differential across
the pump. Convert pressure to head and correct for differences in gage heights. Note the
point on the manufacturer's pump curve at zero flow and confirm that the pump has the
intended impeller size.
2. Check system resistance. With all valves open, read pressure differential across the
pump and mark the pump manufacturer's head-capacity curve. Adjust pump discharge
valve until design water flow is achieved.
3. Verify pump-motor brake horsepower. Calculate the intended brake horsepower for the
system based on the pump manufacturer's performance data. Compare calculated brake
horsepower with nameplate data on the pump motor. Report conditions where actual
amperage exceeds motor nameplate amperage.
4. Report flow rates that are not within plus or minus 5 percent of design.
C. Measure flow at all stations and adjust, where necessary, to obtain first balance.
D. Measure flow at main balancing station and set main balancing device to achieve flow that is 5
percent greater than design flow.
E. Adjust balancing stations to within specified tolerances of design flow rate as follows:
1. Determine the balancing station with the highest percentage over design flow.
2. Adjust each station in turn, beginning with the station with the highest percentage over
design flow and proceeding to the station with the lowest percentage over design flow.
3. Record settings and mark balancing devices.
F. Measure pump flow rate and make final measurements of pump amperage, voltage, rpm, pump
heads, and systems' pressures and temperatures, including outdoor-air temperature.
G. Measure the differential-pressure control valve settings existing at the conclusions of balancing.
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A. Balance systems with automatic 2- and 3-way control valves by setting systems at maximum
flow through heat-exchange terminals and proceed as specified above for hydronic systems.
3.7 CHILLERS
A. Balance water flow through each evaporator and condenser to within specified tolerances of
design flow with all pumps operating. With only one chiller operating in a multiple chiller
installation, do not exceed the flow for the maximum tube velocity recommended by the chiller
manufacturer. Measure and record the following data with each chiller operating at design
conditions:
1. Evaporator water entering and leaving temperatures, pressure drop, and water flow.
2. Condenser water entering and leaving temperatures, pressure drop, and water flow.
3. Evaporator and condenser refrigerant temperatures and pressures, using instruments
furnished by the chiller manufacturer.
4. Power factor if factory-installed instrumentation is furnished for measuring kW.
5. The kW input if factory-installed instrumentation is furnished for measuring kW.
6. Capacity: Calculate in tons of cooling.
7. Air-Cooled Chillers: Verify condenser-fan rotation and record fan data, including
number of fans and entering- and leaving-air temperatures.
A. Shut off makeup water for the duration of the test, and then make sure the makeup and blow-
down systems are fully operational after tests and before leaving the equipment. Perform the
following tests and record the results:
A. During testing, adjusting, and balancing, report need for adjustment in temperature regulation
within the automatic temperature-control system.
B. Measure indoor wet- and dry-bulb temperatures every other hour for a period of 2 successive 8-
hour days, in each separately controlled zone, to prove correctness of final temperature settings.
Measure when the building or zone is occupied.
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B. Check transmitter and controller locations and note conditions that would adversely affect
control functions.
C. Record controller settings and note variances between set points and actual measurements.
E. Verify free travel and proper operation of control devices such as damper and valve operators.
F. Verify sequence of operation of control devices. Note air pressures and device positions and
correlate with airflow and water-flow measurements. Note the speed of response to input
changes.
I. Verify main control supply-air pressure and observe compressor and dryer operations.
J. Record voltages of power supply and controller output. Determine if the system operates on a
grounded or nongrounded power supply.
K. Note operation of electric actuators using spring return for proper fail-safe operations.
3.11 TOLERANCES
A. Set HVAC system airflow and water flow rates within the following tolerances:
3.12 REPORTING
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B. Include a certification sheet in front of binder signed and sealed by the certified testing and
balancing engineer.
1. Include a list of the instruments used for procedures, along with proof of calibration.
C. Final Report Contents: In addition to the certified field report data, include the following:
1. Pump curves.
2. Fan curves.
3. Manufacturers' test data.
4. Field test reports prepared by system and equipment installers.
5. Other information relative to equipment performance, but do not include approved Shop
Drawings and Product Data.
D. General Report Data: In addition to the form titles and entries, include the following data in the
final report, as applicable:
1. Title page.
2. Name and address of testing, adjusting, and balancing Agent.
3. Project name.
4. Project location.
5. Project Number (including State Project Number)
6. Designer’s name and address.
7. Contractor's name and address.
8. Report date.
9. Signature of testing, adjusting, and balancing Agent who certifies the report.
10. Summary of contents, including the following:
E. System Diagrams: Include schematic layouts of air and hydronic distribution systems. Present
with single-line diagrams and include the following:
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a. Unit identification.
b. Make and model number.
c. Manufacturer's serial number.
d. Refrigerant type and capacity in gal..
e. Starter type and size.
f. Starter thermal protection size.
2. Condenser Test Data: Include design and actual values for the following:
3. Evaporator Test Reports: Include design and actual values for the following:
4. Compressor Test Data: Include design and actual values for the following:
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UNIVERSITY OF GEORGIA TESTING, ADJUSTING, AND BALANCING FOR HVAC
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5. Refrigerant Test Data: Include design and actual values for the following:
a. Oil level.
b. Refrigerant level.
c. Relief valve setting in psig.
d. Unloader set points in psig.
e. Percentage of cylinders unloaded.
f. Bearing temperatures in deg F.
g. Vane position.
h. Low-temperature-cutoff set point in deg F.
G. Cooling Tower Test Reports: For cooling towers or condensers, include the following:
a. Unit identification.
b. Make and type.
c. Model and serial numbers.
d. Nominal cooling capacity in tons.
e. Refrigerant type and weight in lb.
f. Water-treatment chemical feeder and chemical.
g. Number and type of fans.
h. Fan motor make, frame size, rpm, and horsepower.
i. Fan motor voltage at each connection.
j. Sheave make, size in inches, and bore.
k. Sheave dimensions, center-to-center and amount of adjustments in inches.
l. Number of belts, make, and size.
2. Pump Test Data: Include design and actual values for the following:
3. Water Test Data: Include design and actual values for the following:
4. Air Data: Include design and actual values for the following:
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H. Pump Test Reports: For pumps, include the following data. Calculate impeller size by plotting
the shutoff head on pump curves.
a. Unit identification.
b. Location.
c. Service.
d. Make and size.
e. Model and serial numbers.
f. Water flow rate in gpm.
g. Water pressure differential in feet of head or psig.
h. Required net positive suction head in feet of head or psig.
i. Pump rpm.
j. Impeller diameter in inches.
k. Motor make and frame size.
l. Motor horsepower and rpm.
m. Voltage at each connection.
n. Amperage for each phase.
o. Full-load amperage and service factor.
p. Seal type.
2. Test Data: Include design and actual values for the following:
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e. Dates of calibration.
A. Seasonal Periods: If initial testing, adjusting, and balancing procedures were not performed
during near-peak summer and winter conditions, perform additional inspections, testing, and
adjusting during near-peak summer and winter conditions.
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PART 1 - GENERAL
A. Drawings and general provisions of Contract, including General and Supplemental Conditions
and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
1.3 DEFINITIONS
B. Dual-Temperature Surfaces: Normal operating temperatures that vary from hot to cold.
1.4 SUBMITTALS
A. General: Submit the following in accordance with Conditions of Contract and Division 01
Specification Sections.
B. Product data for each type of mechanical insulation identifying k-value, thickness, density,
flexural strength, compressive strength, linear shrinkage, flame spread, smoke developed rating,
property compliance, and furnished accessories for each system requiring insulation.
C. Samples of each type of insulation and jacket. Identify each sample describing product and
intended use. Submit the following sizes of sample materials:
1. Board and Block Insulation: 12 inches square section.
2. Pre-Formed Pipe Insulation: 12 inches long for 2 inch pipe.
3. Jacket Materials: 12 inches long for 2 inch pipe.
4. Manufacturer's Color Charts: For products where color is specified, show the full range
of colors available for each type of finish material.
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D. Material certificates, signed by the manufacturer, certifying that materials comply with
specified requirements where laboratory test reports cannot be obtained.
E. Material test reports prepared by a qualified independent testing laboratory. Certify insulation
meets specified requirements.
B. Interior Insulation: Flame spread rating of 25 or less and a smoke developed rating of 50 or
less.
C. Exterior Insulation: Flame spread rating of 75 or less and a smoke developed rating of 150 or
less.
B. Schedule insulation application after installation and testing of heat trace, where applicable.
A. Delivery: Deliver insulation, coverings, cements, adhesives, and coating to the site in
containers with manufacturer's stamp or label affixed showing fire hazard indexes of products.
B. Storage and Handling: Protect insulation against dirt, water, chemical, and mechanical damage.
Do not install damaged or wet insulation; remove from project site. The Contractor shall
provide a storage area for weather protection of all insulation materials and accessory materials
after their arrival at the job site.
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containers shall be legibly marked with the name of the manufacturer, material, size, type,
thickness, density, and quality contained in each container.
E. Installed insulation which has not been weather-proofed shall be protected from inclement
weather by an approved waterproof sheeting installed by the Contractor. Any wet or damaged
insulation shall be removed and replaced by the Contractor at no additional cost.
PART 2 - PRODUCTS
2.1 Manufacturers
A. Insulation shall be flexible expanded closed-cell structure elastomeric with smooth skin on both
sides. Insulation shall comply with the property requirements of ASTM C 534, Type I -
Standard Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet
and Tubular Form. Insulation butt joints and seams shall be sealed with insulation-
manufacturer supplied contact adhesive.
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A. Insulation shall be flexible expanded closed-cell structure elastomeric with smooth skin on both
sides. Insulation shall comply with the property requirements of ASTM C 534, Type II -
Standard Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet
and Tubular Form. Insulation butt joints and seams shall be sealed with insulation-
manufacturer supplied contact adhesive.
A. Insulation shall be 100% rigid cellular glass. Insulation for pipe and tubular applications shall
be furnished in 24 inch log half segments. Insulation for tank and equipment applications shall
be custom fabricated from basic block form and provided by manufacturer. The insulation shall
comply with ASTM C 552 – Specification for Cellular Glass Thermal Insulation.
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A. Insulation shall be molded of heavy density resin bonded inorganic glass fibers meeting the
requirements of ASTM C547 – Standard Specification for Mineral Fiber Preformed Pipe
Insulation, Type I to 850 °F. Insulation shall be provided with factory applied all service (ASJ)
vapor retarder jacket. The jacketing shall be factory applied double pressure-sensitive adhesive
system which provides positive closure and vapor sealing of the longitudinal joint. Joints
between insulation sections shall be sealed with butt strips which have a two component
adhesive system.
A. General: Provide a removable insulation jacket for each product as indicated in the application
table at the end of this specification.
C. Jacket:
1. Silicone impregnated fiberglass cloth, 17 oz/sq. yd. minimum. Materials shall be by one
of the following manufacturers:
a. Alpha Matrix Style 3259-2-SS, by Alpha Assoc. Inc.
b. Lewco 1750S, by Lewco Industries, Inc.
c. Siljac 1750, by Textile Coated Inc.
D. Construction:
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1. Double sewn lock stitch with a minimum 4 to 6 stitches per inch. Jackets shall be sewn
with two (2) parallel rows of stitching using pure Kevlar thread. The thread must be able
to withstand the skin temperatures without degradation. Hog rings or stapled edges are
not acceptable methods of seam closure.
2. No raw cut jacket edges shall be exposed.
3. All stitching will be done with three-ply braided pure Teflon or Kevlar thread.
4. Jackets shall be fastened using 1 to 1 ½ inch wide belts fabricated from the outer jacket
material, tri-folded and straight stitched. 1 to 1 ½ inch wide. 12 gauge naval brass or 316
stainless steel D-ring fasteners or 1” slide release buckles will be sewn onto the belt. 1 to-
1 ½ inch wide Hook & loop tabs shall be sewn onto the belt and mating outer jacket.
Belting will be sewn onto the outer jacket fabric with a minimum of 4 inch stitched to the
outer jacket. At the interface between the jackets and surrounding insulation, a flap with
Teflon or Steel draw cord shall be provided. Closure Cord when required shall be Kevlar.
5. To accommodate leaks and detect their origins, provide a stainless steel or brass grommet
at the low point of each jacket for leak detection and moisture drain.
6. Provide a permanently attached stainless steel nameplate on each jacket to identify its
location, size and tag number.
7. The insulation shall be designed to minimize the convection current in the space between
the hot metal surface and the inner layer of insulation. To this end, during jacket
fabrication, the layers of insulating mat shall be placed in an overlapping pattern.
8. All jacket pieces which match mating seams must include an extended 2 inch flap
constructed from the exterior fabric and shall be secured using hook & loop closure (i.e.
Velcro TM) parallel to the seam.
9. Jacket design will encase the piece of equipment or valve including the valve bonnet. A
minimum overlap flap beyond the mating rigid insulation will be a minimum of 3 inch. If
overlapping is not possible, pipe covering insulation will butt up to the adjoining surface.
10. Insulation must be sewn as integral part of the jacket to prevent shifting of the insulation.
11. Valve jackets shall be manufactured as one (1) piece body and bonnet or as separate
pieces.
12. The color of the outer face jacket shall be white/gray/green/brown for all piping and
equipment or as requested by the owner.
1. Thermal Conductivity: 1.0 Btu x inch/h x sq. ft. x deg F average maximum at 500°F
mean temperature.
2. Compressive Strength: 10 psi at 5 percent deformation.
1. Thermal Conductivity: 1.10 Btu x inch/h x sq. ft. x deg F average maximum at 500°F
mean temperature.
2. Compressive Strength: 5 psi at 5 percent deformation.
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1. Thermal Conductivity: 1.2 Btu x inch/h x sq. ft. x deg F average maximum at 400°F
mean temperature.
2. Compressive Strength: 100 psi at 5 percent deformation.
2.8 ADHESIVES
A. Closed Cell Flexible Elastomeric Insulation Adhesive: Fire resistive, non-flammable neoprene
based contact cement
B. Fiberglass Adhesive: ASTM C916 Type II; Water based adhesive used to bond low densisty
fibrous insulation to metal
1. Design Basis: Foster Quick Tack 85-60 or Childers Chil Quick CP-127
1. Class 1, Grade A for bonding glass cloth and tape to unfaced glass fiber insulation,
sealing edges of glass fiber insulation, and bonding lagging cloth to unfaced glass fiber
insulation.
2. Class 2, Grade A for bonding glass fiber insulation to metal surfaces.
3. Mold Resistant - Coatings shall meet ASTM D 5590 with 0 growth rating.
4. Design Basis: Foster 30-36 AF or Childers CP-137 AF
B. TYPE CAN – CANVAS JACKETING: Plain weave cotton or glass cloth (6 oz./sq/°yrd) with
fire retardant lagging adhesive. Composite of insulation, jacket, and lagging adhesive shall
have a flame spread index not greater than 25 and a smoke developed index not greater than 50
per ASTM E84.
1. Water Vapor Permeance: 0.02 perm (1.2 ng/Pa/s/sq. m) maximum, when tested
according to ASTM E 96.
2. Puncture Resistance: 50 beach units minimum, when tested according to ASTM D 781.
3. Fittings: PVC Fitting Covers - Factory-fabricated fitting covers manufactured from 25
mil thick, high-impact, ultra-violet-resistant PVC, color coded. ASTM E 84 flame spread
rating of 25 or less and smoke developed rating of 50 or less.
a. Adhesive: As specified.
C. TYPE PVC - PVC JACKETING: High-impact, ultra-violet (UV) resistant PVC, color coded,
roll stock ready for shop or field cutting and forming to indicated sizes. Fitting covers shall be
pre-formed. Product shall meet the following requirements:
a. Thickness: 28 mils
b. Temp Range (°F): -20°F to 155°F
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1. Provide directly over the PITT WRAP an aluminum weatherproof jacket. This jacket
shall be manufactured from aluminum alloy 5005 or 3003 half hard, not less than 0.016
inch thick. The jacket shall have a 3/16 inch corrugated finish. The aluminum shall be
factory attached to a moisture barrier of kraft paper treated for this service.
2. All joints shall be made rain or drip proof. Longitudinal joints shall be located on the
side of the pipe with the open edge of the lap turned down to shed water. Circumferential
joints on pipes that do not have enough slope to get a good shingle effect to keep water
out of the joint shall have the inside end of the lap beaded or sealed with a permanently
elastic mastic type sealant designed for this service.
3. The aluminum jacket shall be secured by aluminum straps 1/2 inch wide by 0.020 inch
thick. The straps shall be placed on 12 inch centers (maximum). Each circumferential
joint shall have a strap at the midpoint of the lap.
4. On long radius bends, the aluminum jacket shall be in sections cut on the miter,
overlapped, and forming a neat snug fit, using sufficient bands and fasteners to hold
jacket properly in place.
5. All 30 inch diameter and smaller insulated elbows shall be protected with a prefabricated
elbow jacket. The jacket shall be manufactured of high purity 0.024 inch aluminum with
a suitable moisture barrier on the interior of the jacket to prevent decomposition of the
aluminum. The prefabricated elbow jacket shall be applied directly over the insulated
fitting.
6. All insulation on fittings, flanges, valves, and other irregular shaped items on which the
aluminum jacket cannot be neatly applied shall be finished as follows:
a. Over the smooth insulation surface and cloth reinforcing as described below, apply
the mastic or coating in two coats at a sufficient rate to provide a dry film thickness
of 63 mils when using weather barrier mastic or 32 mils when using vapor barrier
coating. Lagging adhesive and canvas should be applied at a sufficient rate to
apply a tack coat at 60-70 sq. ft per gal. Immediately imbed the selected lagging
fabric into the wet coating. Smooth to avoid wrinkles and overlap seams by at least
2 inches. Immediately apply a finish coat at 60-70 sq. ft. per gal. The dry film
thickness of this application will vary with the fabric selected.
b. The mastic or coating shall be applied by trowel, brush or spray. The exact
application conditions, procedures and recoat time shall be as recommended by the
coating/mastic manufacturer.
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c. Reinforcing shall consist of a No. 10 glass or polyester mesh: Foster Mast a Fab,
Childers Chil Glas #10 or Dynel cloth. Flat surfaces shall be sured to the insulated
structure on 18 inch centers maximum.
d. Above ambient pipe service temperature: The weather barrier mastic shall be
gray or metallic gray vinyl VI-CRYL CP-10-1 or CP-11-1 manufactured by
Childers or light aluminum gray WEATHERITE 46-51 manufactured by Foster,;
or WC-1 manufactured by Vimasco Corporation.
e. Below ambient pipe service temperature: The vapor barrier coating shall be white
CP-34 as manufactured by Childers or Vapor Fas 30-65 manufactured by Foster,
by Vimasco Corporation.
A. Glass Cloth and Tape: Woven glass fiber fabrics, plain weave, pre-sized a minimum of 8
ounces per sq. yd. (272 gm per sq. m).
B. Bands: 3/4 inch wide, in one of the following materials compatible with jacket:
C. Wire: 14 gage nickel copper alloy, 16 gage, soft-annealed stainless steel, or 16 gage, soft-
annealed galvanized steel.
D. Corner Angles: 28 gage, 1 inch by 1 inch, adhered to 2 inches by 2 inches kraft paper.
E. Anchor Pins: Capable of supporting 20 pounds (9 kg) each. Provide anchor pins and speed
washers of sizes and diameters as recommended by the manufacturer for insulation type and
thickness.
1. Water Vapor Permeance: 0.08 perm maximum at 45 mil dry film thickness per ASTM F
1249.
2. Temperature Range: Minus 20 to 180°F.
3. Mold Resistance: Coating shall meet ASTM D 5590 with 0 growth rating.
4. Water Vapor Permeance: Maximum perm rating of 0.08 perms or less at 37 mils dry
tested at 100ºF (38ºC) and 90% RH per ASTM F 1249.
5. Design Basis: Foster Vapor Fas 30-65 AF or Childers CP-34
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UNIVERSITY OF GEORGIA HVAC PIPING INSULATION
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1. Water Vapor Permeance: ASTM F-1249: 0.014 perm at 0.094 in. dry film thickness.
2. Temperature Range: Minus 40 to 250°F.
3. Color: Aluminum.
4. Design Basis: Foster Elastolar 95-44 or Childers Chil Byl CP-76
C. Weather Barrier Mastic: Water based, fire resistive composition used on above ambient
pipe/equipment insulation.
1. Water Vapor Permeance: ASTM E-96 Greater than 1.0 perm for 1/16 inch dry film.
(Procedure B).
2. Temperature Range: Minus 20 to 180°F.
3. Design Basis: Foster Weatherite 46-50 or Childers CP-10/CP-11
D. Insulation Joint Sealant: Used with cellular glass and polyisocyanurate to prevent moisture at
longitudinal and butt joints of insulation (below ambient service temperatures only). Elastomer
based, vapor barrier sealant.
A. Application: Provide an insulating structural insert at each hanger and pipe support location.
Apply high temperature or low temperature system insulating structural inserts per the
application table at the end of this specification. NOTE: Structural inserts shall NOT be utilized
where pipe rollers are the means of pipe support. In these situations, pipe saddles shall be
utilized in lieu of structural inserts. Refer to the mechanical pipe support specification for the
use of pipe saddles in this application.
B. High Temperature System Structural Insert: (200°F or above): High density (140 psi minimum
compressive strength, no deformation) calcium silicate with water repellant rated for
temperatures up to 1,200°F. Thickness shall be the same as adjacent pipe insulation. Inserts
shall be 180o or 360o arc as required for the type of support. Insert length shall be
manufacturers standard but not less than 6-inches. Provide ASTM A 527 galvanized steel
protective shield of 360 arc equal to the insert length.
C. Low Temperature System Structural Insert (less than 200°F): High density (50 psi minimum
compressive strength, no deformation) polyisocyanurate foam with vapor barrier rated for
temperatures up to 300°F. Thickness shall be the same as adjacent pipe insulation. Inserts shall
be 180o or 360o arc as required for the type of support. Insert length shall be manufacturers
standard but not less than 6-inches. Provide ASTM A-527 galvanized steel protective shield of
360o arc equal to the insert length.
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PART 3 - EXECUTION
3.1 PREPARATION
A. Surface Preparation: Clean, dry, and remove foreign materials such as rust, scale, and dirt.
B. Mix insulating cements with clean potable water. Mix insulating cements contacting stainless-
steel surfaces with demineralized water.
A. Refer to schedules at the end of this Section for materials, forms, jackets, and thicknesses
required for each mechanical system.
B. Select accessories compatible with materials suitable for the service. Select accessories that do
not corrode, soften, or otherwise attack the insulation or jacket in either the wet or dry state.
C. Install vapor barriers on insulated pipes, and equipment having surface operating temperatures
below 75°F.
D. Apply insulation material, accessories, and finishes according to the manufacturer's printed
instructions.
F. Coat all joints and seams of vapor retarder film (ASJ, duct wrap seams, etc) with vapor barrier
coating on all piping, equipment and duct insulation having service operating temperatures
below 60°F.Seal penetrations for hangers, supports, anchors, and other projections in insulation
requiring a vapor barrier.
G. Seal penetrations for hangers, supports, anchors, and other projections in insulation requiring a
vapor barrier with flashing sealant.
H. Seal Ends: Except for flexible elastomeric insulation, taper ends at 45 degree angle and seal
with lagging adhesive. Cut ends of flexible elastomeric cellular insulation square and seal with
adhesive.
K. Items Not Insulated: Unless otherwise indicated do not apply insulation to the following
systems, materials, and equipment:
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A. Tightly butt longitudinal seams and end joints. Bond elastomeric insulation with adhesive. Seal
cellular glass and polyisocyanurate insulation with insulation joint sealant on below ambient
service.
B. Polyisocyanurate insulation shall be provided with Foster 95-50 for vapor sealing of the
longitudinal joint, fittings, and elbows at ambient temperatures ranging from -250°F to 200°F.
Apply vapor retarder coating Fostor 30-80 AF with reinforcing mesh Foster 42-24 Mast-A-Fab
on fittings/elbows to meet ASTM D5590. Mesh shall have 9x8 openings per square inch. Pipe
insulation and vapor proofing must be installed before piping ‘goes cold’.
D. Apply insulation continuously over fittings, valves, and specialties, except as otherwise
indicated.
4. Vapor Barrier Coatings: Where vapor barriers are indicated, apply on seams and joints,
over staples, and at ends butt to flanges, unions, valves, and fittings. . Apply reinforcing
mesh in conjunction with vapor barrier coating on all below ambient, insulated flanges,
unions, valves, and fittings. On ASJ self sealing lap seams, the use of reinforcing mesh
with coating is not mandatory.
5. At penetrations in jackets for thermometers and pressure gages, fill and seal voids with
insulating cement.
6. Repair damaged insulation jackets, except metal jackets, by applying jacket material
around damaged jacket. Adhere, staple, and seal with vapor barrier coating. Extend
patch at least 2 inches in both directions beyond damaged insulation jacket and around
the entire circumference of the pipe.
G. Exterior Wall Penetrations: For penetrations of below grade exterior walls, terminate insulation
flush with mechanical sleeve seal. Seal terminations with vapor barrier coating.
H. Exterior Wall Penetrations: For penetrations of below grade exterior walls, extend metal jacket
for exterior insulation through penetration to a point 2 inches from interior surface of wall
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inside the building. Seal ends of metal jacket with vapor barrier coating. Secure metal jacket
ends with metal band. At point where insulation metal jacket contacts mechanical sleeve seal,
insert cellular glass preformed pipe insulation to allow sleeve seal tightening against metal
jacket. Tighten and seal sleeve to jacket to form a watertight seal.
I. Interior Walls and Partitions Penetrations: Apply insulation continuously through walls and
partitions, except fire-rated walls and partitions. Apply an aluminum jacket with factory-
applied moisture barrier over insulation. Extend 2 inches from both surfaces of wall or
partition. Secure aluminum jacket with metal bands at both ends. Seal ends of jacket with
vapor barrier coating. Seal around penetration with joint sealer.
J. Fire-Rated Walls and Partitions Penetrations: Terminate insulation at penetrations through fire-
rated walls and partitions. Seal insulation ends with vapor barrier coating. Seal around
penetration with firestopping or fire-resistant joint sealer.
K. Floor Penetrations: Terminate insulation underside of floor assembly and at floor support at top
of floor.
L. Flanges, Fittings, and Valves - Interior Exposed and Concealed: Coat pipe insulation ends with
vapor barrier coating with reinforcing mesh. Apply premolded, precut, or field-fabricated
segments of insulation around flanges, unions, valves, and fittings. Make joints tight. Bond
elastomeric insulation with adhesive.
M. Hangers and Anchors: Apply insulation continuously through hangers and around anchor
attachments. Install saddles, shields, and inserts as specified in this section and in Mechanical
Hangers and Supports specification. For cold surface piping, extend insulation on anchor legs
and floor supports to a minimum of 12 inches from the base and taper and seal insulation ends.
1. Inserts and Shields: Cover hanger inserts and shields with jacket material matching
adjacent pipe insulation.
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A. Slip insulation on the pipe before making connections wherever possible. Seal joints with
adhesive. Where the slip-on technique is not possible, cut one side longitudinally and apply to
the pipe. Seal seams and joints with adhesive.
B. Valves, Fittings, and Flanges: Cut insulation segments from pipe or sheet insulation. Bond to
valve, fitting, and flange and seal joints with adhesive.
A. Indoor Piping
1. Insulation shall be applied to piping with all joints tightly fitted to eliminate voids. For
systems operating at or below 60°F, all joints must be sealed full depth with insulation
joint sealant. Sealant shall not be used to fill voids or cracks. The use of a joint sealant
for systems operating above 60°F is at the discretion of the designer.
2. Insulation sections shall be secured with aluminum bands. Two strips of reinforced tape
may be used in place of bands if exterior bands are used with jacketing. The tape shall
overlap itself by 50%.
B. Installation-Outdoor Piping
1. This portion of the installation procedure is applicable only for piping located above
ground. Application of the insulation shall be as specified in B above.
2. Aluminum jacketing shall be applied with all laps positioned to shed water. All laps shall
be a minimum of 2 inches. Aluminum jacketing shall be secured using bands and seals
as specified. Band spacing shall be two bands equally space per section of insulation.
This will usually mean 12 inch on center. Seal all jacketing seams with metal jacketing
sealant to prevent water entry.
3. Fittings shall be insulated in a manner similar to that for piping.
4. If mastic finish is specified, consult Pittsburg Corning mastic product data sheet for
recommended application procedures.
A. Install board and block materials with a minimum dimension of 12 inches and a maximum
dimension of 48 inches.
B. Groove and score insulation materials as required to fit as closely as possible to the equipment
and to fit contours of equipment. Stagger end joints.
C. Insulation Thicknesses Greater than 2 inches: Install insulation in multiple layers with
staggered joints.
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UNIVERSITY OF GEORGIA HVAC PIPING INSULATION
MAIN LIBRARY COOLING TOWER REPLACEMENT
E. Secure sections of insulation in place with wire or bands spaced at 9 inch centers, except for
flexible elastomeric cellular insulation.
F. Protect exposed corners with corner angles under wires and bands.
G. Manholes, Handholes, and Information Plates: Bevel and seal insulation ends around manholes,
handholes, ASME stamps, and nameplates.
I. Pumps: Where insulation is indicated in the application table at this end of this specification,
the pump shall be insulated using a combination of field-applied elastomeric sheet insulation
and a custom fabricated removable insulation jacket. Field-apply the specified thickness of
elastomeric insulation directly to the pump casing and secure with contact adhesive. Apply the
custom removable insulation jacket over top of the field-applied elastomeric insulation to create
a snug blanket fit.
J. Finishing: Except for flexible elastomeric cellular insulation, apply 2 coats of vapor barrier
coating to a minimum thickness of 31 mils. Install a layer of reinforcing mesh embedded
between layers.
B. Space anchors at maximum intervals of 18 inches in both directions and not more than 3 inches
from edges and joints.
B. Apply full coverage of adhesive to the surfaces of the equipment and to the insulation.
C. Butt insulation joints firmly together and apply adhesive to insulation edges at joints.
3.10 FINISHES
A. Paint insulation finishes other than PVC or metal jacketing. All jackets shall be color coded as
per the Mechanical Identification specification.
B. Flexible Elastomeric Cellular Insulation: For outdoor installations, after adhesive has fully
cured, apply 2 coats of protective, elastomeric, outdoor coating. Allow the first coat to dry a
minimum of two hours before applying the second coat. All applications should be made when
the temperature is above 40F. Apply each coat at 200-to 400 ft2/gallon
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UNIVERSITY OF GEORGIA HVAC PIPING INSULATION
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A. Interior Piping
Piping System or Structural
Pipe Sizes Thickness Group Finish Notes
Service Insert
Condenser Water
2” and smaller -- -- -- --
(CDS, CDR)
2-1/2” and
-- -- -- --
larger
Non Potable Water
2” and smaller 1.5” ELP PVC Low Temp.
(NPW)
2-1/2” to 12” 1.5” FG PVC Low Temp.
Compressed Air
2” and smaller -- -- -- --
(CA, IA, PA)
2-1/2” and
-- -- -- --
larger
Notes:
None
B. Exterior Piping
Piping System or Structural
Pipe Sizes Thickness Group Finish Notes
Service Insert
Condenser Water
2” and smaller 1.5” CG AL Low Temp.
(CDS, CDR)
2-1/2” and
2” CG AL Low Temp.
larger
Non Potable Water
2” and smaller 1.5” ELP AL Low Temp.
(NPW)
2-1/2” to 12” 1.5” CG AL Low Temp.
Notes:
None
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UNIVERSITY OF GEORGIA HVAC PIPING INSULATION
MAIN LIBRARY COOLING TOWER REPLACEMENT
Piping System or
Thickness Group Finish Notes
Service
1” ELS and --
Condensate Pumps 1
Min 0.2” RJ --
Notes:
1. As described in the insulation Execution section, apply the first insulation directly to the pump
and provide a removable insulation jacket over top.
212009.A0 230719-17
UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 GENERAL
1.01 DESCRIPTION
A. General provisions and other mechanical systems are specified in other Sections of Division 23.
C. This Section covers mechanical systems commissioning, as required to demonstrate that the
applicable equipment and systems of Division 23 are ready for safe and satisfactory operation, as
defined by the Construction Documents. Commissioning shall include, but shall not be limited to,
identification of piping and equipment, cleaning, lubrication, start-up, check-out, and testing,
adjusting, and balancing of systems, preparation of equipment and systems documentation and of
maintenance and operation manuals, Owner training, and preparation of record drawings.
D. Commissioning shall conclude with the completion of required deferred testing, training, and
system documentation as specified herein and required to demonstrate the proper operation of the
mechanical equipment and systems provided by this Division.
E. Commission the following mechanical systems and equipment and witness the following tests:
Mechanical
1. 600-ton cooling tower (1)
2. Condenser water pumps (2)
3. New condenser water piping, insulation, and valves
4. Cooling tower basin make-up water solenoid valve
5. Building automation system
a. Condenser water system sequence of operation
b. Existing chiller controller verification (condenser pump control)
c. New control valves, sensors, and gauges
d. Trend logs
e. Network communication
6. Test and balance verification
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UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
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Mechanical Commissioning Supervisor shall become familiar with the Owner's project
requirements and the requirements of the commissioning process as defined in this Section and in
Section 019113, General Commissioning Requirements. Mechanical systems commissioning
shall be accomplished under the supervision of the Commissioning Authority. The Mechanical
Commissioning Supervisor shall assist the Commissioning Authority in coordinating and
executing the required commissioning activities.
B. The Mechanical Commissioning Supervisor shall review submittal data for conformance with the
requirements of the Project, shall monitor compliance with the requirements specified herein for
storage and protection of equipment during construction, shall authorize the initial starting of
equipment and systems in a manner to avoid damage to equipment, shall oversee start-up, testing
and balancing, and shall document that the scheduled and specified performance requirements of
each system have been accomplished.
C. Refer to ASHRAE Guideline 1-2007, The HVAC Commissioning Process, and Guideline 4-
1993, Preparation of Operating and Maintenance Documentation for Building Systems.
A. The Mechanical Commissioning Supervisor shall be responsible for, in conjunction with the
Commissioning Authority, scheduling, supervising, and coordinating and executing the start-up,
testing, and commissioning activities as specified herein. Include and itemize the cost of
commissioning in the contract price; and, in each purchase order or subcontract written - include
requirements for submittal data, commissioning efforts and documentation, operations and
maintenance data, and training as specified herein.
B. Mechanical commissioning shall take place in four phases. Commissioning requirements for
each phase are as follows:
1. Design Phase:
a. Develop and issue a Commissioning plan that outlines the requirements of the
project team members as to their role in the commissioning process. The
Commissioning Plan shall be updated periodically throughout the duration of the
project.
b. Perform a cursory commissioning design review of the 100% Construction
Document design drawings, specifications, and control sequences to become
familiar with the systems and to generate the functional performance test
procedures.
c. Attend one (1) meeting with the Design Team and the Client to discuss the design
intent, commissioning requirements, and a plan of action for site visits and
functional testing.
2. Construction Phase:
a. Participate in a Systems Commissioning Kick-Off Meeting on the project site to
outline the systems commissioning process and the roles and responsibilities of each
member of the commissioning team. This kick-off meeting generally takes place
once all appropriate subcontractors are on board including the Controls Contractor.
b. Attend a commissioning scoping meeting and additional commissioning meetings,
initially scheduled monthly until prefunctional testing of equipment and systems
begins, and monthly thereafter during the construction phase to facilitate the
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UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
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UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
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prefunctional checklists for commissioned equipment during the start-up and initial
check-out process.
m. Perform and document start-up and system operational check-out procedures,
providing a copy of documentation to the Commissioning Authority.
n. Correct noncompliance items before beginning functional performance testing. Air
and water testing, adjusting and balancing shall be completed with discrepancies and
problems remedied before functional testing of the respective air- or water-related
systems.
3. Acceptance Phase:
a. Place equipment and systems into operation and continue their operation during each
working day of the testing, adjusting and balancing, and commissioning activities, as
required.
b. Review the Test, Adjust, and Balance Report for completeness and provide
comments as necessary.
c. Perform TAB verification to ensure the TAB Report is accurate and meets the
design requirements. Verification will take place by spot testing, for at least 25% of
TAB measurements, during the TAB effort. Final approval of the TAB Report
resides with the Design Team.
d. For each system or area, have required prefunctional checklists, calibrations, start-up
and prefunctional tests of the mechanical systems and associated controls completed
and reviewed by the Commissioning Authority prior to beginning the testing,
adjusting and balancing process.
e. Provide sheaves and belts as required to achieve required equipment performance, as
measured by the testing, adjusting and balancing work.
f. Coordinate, observer, and document functional performance testing of the
commissioned mechanical systems as performed by the installing contractors. Once
the building automation systems has been pre-commissioned by the Construction
Team, the TAB work will be performed by the contractor; then the functional testing
will be executed
g. Provide skilled technicians to execute starting and prefunctional testing of
equipment and to execute the functional tests for each individual piece of equipment
and system. Technicians shall be available and present during the agreed upon
scheduled tests and for sufficient duration to complete the necessary tests,
adjustments and problem-solving.
h. Perform functional testing under the direction of the Commissioning Authority for
specified equipment and assist the Commissioning Authority in interpreting the test
data, as necessary.
i. Correct deficiencies (differences between specified and observed performance) as
identified by the Commissioning Authority and interpreted by the Engineer and
retest the equipment, as required to demonstrate proper operation and performance.
j. Prepare operation and maintenance manuals as specified herein, including clarifying
and updating the original sequences of operation to as-built conditions.
k. Maintain marked-up record drawings and produce final record drawings of Project
drawings and contractor-generated coordination drawings. List and identify on these
record drawings the locations of control system components, airflow stations, and
sensor installations that are not equipment mounted.
l. Provide specified training of the Owner’s operating personnel.
m. Coordinate with equipment manufacturers to determine specific requirements to
maintain the validity of the warranty.
4. Warranty Period:
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UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
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PART 2 PRODUCTS
A. Standard testing equipment required to perform start-up, initial check-out, prefunctional, and
required functional testing shall be provided for the equipment or system being tested.
PART 3 EXECUTION
3.01 SUBMITTALS
A. Prefunctional testing shall be required for each piece of equipment to ensure that the equipment
and systems are properly installed and ready for operation, so that functional testing may proceed
without delays. Follow the approved start-up, initial check-out, and prefunctional testing
procedures. Sampling strategies shall not be used for prefunctional testing. The prefunctional
testing for equipment and subsystems of a given system shall be successfully completed and
documented prior to functional testing of the system.
212009.A0 230800-5
UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
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C. Four weeks prior to start-up, schedule equipment and systems start-up and check-out and notify
the Commissioning Authority in writing. The execution of the prefunctional checklists, start-up
and check-out shall be directed and performed by the Contractor, in accordance with
manufacturer's published procedures. The Commissioning Authority shall be present for the start-
up, check-out, and prefunctional testing of the first unit of each type of equipment, and any other
tests he designates.
D. Sensor calibration: calibration of sensors associated with a given piece of equipment or system
shall be included as part of the prefunctional testing and listed on the appropriate test checklists
and reports for the system. This requirement may be met during the prefunctional testing of the
temperature control or automation system, but shall also be documented with the prefunctional
testing procedures.
E. Completed start-up, check-out, and prefunctional test forms shall be completed and submitted to
the Commissioning Authority for review. List outstanding items of the initial start-up and
prefunctional procedures that were not completed successfully, at the bottom of the procedures
form or on an attached sheet. The procedures form and any outstanding deficiencies shall be
provided to the Commissioning Authority within 2 days of test completion. The Commissioning
Authority shall review the Contractor’s start-up and prefunctional testing reports and shall submit
either a noncompliance report or an approval form to the Contractor. The Contractor shall correct
items that are deficient or incomplete in the checklists and tests in a timely manner, and shall
notify the Commissioning Authority as soon as outstanding items have been corrected and
resubmit an updated start-up report and a statement of correction on the original noncompliance
report. When requirements are completed, the Commissioning Authority shall recommend
approval of the start-up and prefunctional testing of each system and schedule the functional
testing of the equipment or system.
F. Complete start-up and prefunctional testing for a system before functional test of that system may
proceed. Do not operate HVAC systems in a mode that would induce unconditioned, humid
outside air into the building.
A. Provide labor and materials required for retesting of any functional test found to be deficient.
212009.A0 230800-6
UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
MAIN LIBRARY COOLING TOWER REPLACEMENT
B. Prior to retesting, submit required data indicating that the deficient items have been completed
and/or corrected to the Commissioning Authority for approval and rescheduling of the functional
test. If during the retesting it becomes apparent that the deficient items have not been completed
and/or corrected as indicated in the data provided by the Contractor, the retesting shall be
stopped. Costs for the commissioning team to further supervise the retesting of a functional test
shall be the responsibility of the Contractor.
A. Schedule and coordinate, with the approval of the Owner, any required seasonal testing, tests
delayed until building construction is completed, required building occupancy or loading, weather
or other conditions are suitable for the demonstration of equipment or system’s performance, as
specified herein. Deferred testing shall be executed, documented, and deficiencies corrected as
specified herein for functional testing. Adjustments or corrections to the operations and
maintenance manuals and as-built documents required by the results of the testing shall be made
before the seasonal testing process is considered complete.
A. Assist the Commissioning Authority with the seasonal adjustment process. During this effort the
Commissioning Authority will:
1. Check and verify the calibration of temperature control devices and thermostats. Test and
verify control sequences for proper operation for the season.
2. Check the operation, performance, and balance of air and hydronic systems to provide
uniform distribution and comfort conditions.
A. List outstanding items of the initial start-up and prefunctional procedures that were not completed
successfully, at the bottom of the functional test procedure forms or on an attached sheet. The
functional test procedure forms and any outstanding deficiencies shall be provided to the
Commissioning Authority within 2 days of test completion. The Commissioning Authority shall
review the Contractor's start-up and prefunctional testing documentation and shall submit either a
noncompliance report or an approval form to the Contractor. Work with the Commissioning
Authority to correct and retest deficiencies or uncompleted items. Correct items that are deficient
or incomplete in a timely manner, and notify the Commissioning Authority as soon as
outstanding items have been corrected and resubmit an updated start-up report and a statement of
correction on the original noncompliance report. When requirements are completed, the
Commissioning Authority shall recommend approval of the start-up and prefunctional testing of
each system and schedule the functional testing of the equipment or system.
B. As functional performance testing progresses and deficiencies are identified, work with the
Commissioning Authority to resolve the issues. Deficiency resolution and correction shall follow
the procedures defined in Section 019113, General Commissioning Requirements.
212009.A0 230800-7
UNIVERSITY OF GEORGIA MECHANICAL SYSTEMS COMMISSIONING
MAIN LIBRARY COOLING TOWER REPLACEMENT
A. The Mechanical Commissioning Supervisor shall compile and prepare documentation for
equipment and systems covered in Division 23 and deliver this documentation for inclusion in the
operation and maintenance manuals prior to the training of the Owner's personnel. The
Commissioning Authority shall receive a copy of the operation and maintenance manuals for
review.
A. The Mechanical Commissioning Supervisor shall schedule, coordinate and assemble, and deliver
the documentation of training required by Division 23. O&M Training development and planning
shall involve the Commissioning Authority as defined Section 019113, General Commissioning
Requirements.
A. Functional test requirements for the demonstration of proper system and equipment operation
shall be defined by the Commissioning Authority. Execution of these test and demonstration of
the required performance shall be the responsibility of the Contractor, under the supervision of
the Commissioning Authority.
B. Functional testing is intended to begin upon completion of a system. Functional testing may
proceed prior to the completion of systems or subsystems at the discretion of the Commissioning
Authority. Beginning system testing before full completion of construction shall not relieve the
Contractor from fully completing the system, including prefunctional checklists.
C. Functional testing shall be completed and test documentation approved by the Commissioning
Authority before the Project will be considered substantially complete.
END OF SECTION
212009.A0 230800-8
UNIVERSITY OF GEORGIA INSTRUMENTATION AND CONTROL FOR HVAC
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. The general provisions of the Contract, including General and Special Conditions and General
Requirements, apply to the work specified in this Section.
A. General: This section includes the controls, instrumentation and associated piping and wiring
required to make the mechanical systems provided under Division 23 perform as described in
these specifications and as shown in the design documents.
1. The existing chiller automation system (CAS) utilized for the Main Library and for all
of the North Campus CHW loop is a Barber Coleman Network 8000/Invensys system.
Jennifer Foster (Ph. 404-635-4713) with McKenny’s is the local representative and
UGA contact for servicing this system. It is recommended that they perform all
modifications to the CAS as described in the drawings and this specification.
2. The existing CAS shall stage on/off the new cooling tower based on the existing strategy
and sequence of operations currently in place with the modifications shown on
drawings. All controls points shown on the drawings shall tie into the CAS and be
updated on the graphics screen. Graphics shall also be updated to reflect any piping
arrangement change.
3. All labor, material, equipment and software not specifically referred to herein or on the
plans, that are required to meet the functional intent of this specification, shall be
provided without additional cost to the Owner.
1. The existing chiller is a 600 ton York centrifugal type with serial number:
YTK4C5F1CSH. The existing condenser pump getting replaced is currently controlled
by the chiller. The existing chiller only has one pump signal output. The two new
pumps being installed, one for redundancy shall be controlled by the CAS. The chiller
shall send the signal for pump operation to CAS and the CAS shall turn on one of the
pumps per the sequence. Contractor shall have chiller manufacturer’s representative
modify chiller controls as needed.
2. All labor, material, equipment and software not specifically referred to herein or on the
plans, that are required to meet the functional intent of this specification, shall be
provided without additional cost to the Owner.
1.3 COORDINATION
A. Contractor shall coordinate and work with cooling tower and chiller manufacturer’s for the
programming of the cooling towers and chiller in this project. Contractor is responsible for
any modification to a chiller’s control panel. Any cost accrued from chiller manufacturer’s
site visit must be covered by the Contractor.
212009.A0 230900-1
UNIVERSITY OF GEORGIA INSTRUMENTATION AND CONTROL FOR HVAC
MAIN LIBRARY COOLING TOWER REPLACEMENT
B. The complete control system modification provided by the control equipment manufacturer
shall include all control and interlock wiring. Interlocking of chillers, towers, pumps, fans,
etc. shall be performed under this Section. Provide necessary relays, transformers, switches,
etc. as required.
C. Automatic temperature control valves and separable wells for immersion elements furnished
by the control manufacturer shall be installed by the mechanical subcontractor under the
control manufacturer's supervision.
1.4 IDENTIFICATION
A. Identify control wires with a distinctive number on a non-conducting tag attached to each end
or at junction points or by color coding of that wire or tube. Designate on control diagram the
identifying color and/or number or other identifying designation used.
B. Identify all control equipment and devices, including panels, controllers, valves, and automatic
dampers, etc., by a method approved by the designer. Designations shall match those used on
control diagrams and shop drawings. Refer to section 230553 “IDENTIFICATION” for
equipment tag requirements.
A. The final phase of the quality assurance program for the project is the testing and verifications.
This phase is to assure that the project is fully completed and that the systems are performing
in accordance to specifications from end to end of the control systems. Demonstrations of the
automatic control systems to the construction team in accordance with the requirements
specified in Part 3 of this Section is required. A report on test results, including set points and
operating ranges of all components, shall be submitted.
A. Shop Drawings, Product Data, and Quality Assurance Submittals: All of the items to be
submitted in this Paragraph shall be submitted at the same time in PDF format and be included
in the projects operation and maintenance manual 3-ring binder . The Name, address, and
phone number of manufacturer's representative responsible for after market support shall be
included for each item listed below. Each components identification number shall also be
included for each item listed below. Exclusion of any item will result in an incomplete
submittal and the submittal will be returned to the subcontractor un-reviewed. In accordance
with Section 013300 - SUBMITTALS, submit the following:
1. Chiller Automation System (CAS):
a. General description of how cooling tower system works and how it interacts with
each other, including logic diagrams, initial set points and other program data.
This shall be written, not as a manufacturer's standard description, but shall be
specific to this project.
b. Complete list of equipment, materials, manufacturer's technical literature, cut-
sheets, and installation instructions. Drawings shall contain proposed layout,
complete wiring, routing, schematic diagrams, tag number of devices, software
212009.A0 230900-2
UNIVERSITY OF GEORGIA INSTRUMENTATION AND CONTROL FOR HVAC
MAIN LIBRARY COOLING TOWER REPLACEMENT
4. Control Valves:
a. Manufacturer's product data for each valve including design, materials, and
dimensions.
b. Completed ISA S20 form or the equivalent for each valve which displays
calculated design characteristics for the valve, actuator, and positioner.
5. Actuators:
6. Output Devices
7. Auxilary Devices
8. Quality Assurance Submittals: Submit quality assurance submittals indicated the extent
of prior experience with projects similar in scope and complexity.
212009.A0 230900-3
UNIVERSITY OF GEORGIA INSTRUMENTATION AND CONTROL FOR HVAC
MAIN LIBRARY COOLING TOWER REPLACEMENT
9. Field Device Location Drawing - Subontractor shall prepare a device location drawing
that shows the locations of all control devices provided for this project.
1.7 TRAINING
A. Provide minimum of 8 hours of training. Conduct CAS training courses for designated
personnel in the operation and maintenance of the systems. The training shall be oriented to
the specific equipment installed under this Contract. Training shall include the CAS and
related devices, including all field mounted items specified in this Section. Training shall
focus on the operation of each system. Training shall include the review of the operation and
maintenance manuals.
A. Provide systems, equipment, and devices recommended by the manufacturer for the service
indicated. All multiple quantities of the same item, whether of the same size or differing sizes,
shall be by the same manufacturer unless otherwise specified and, where applicable, the same
model number.
B. Warranty: The entire control system including miscellaneous devices shall have a two year
warranty from the date of final project completion. The warranty shall cover all parts and
labor and include 24 hours a day service availability. Maximum of 14 days response time to
warranty items required.
A. All control equipment stored on site shall be protected from weather all times. On site storage
of control equipment shall be in accordance with the manufacturers recommendations.
B. Inspect equipment immediately upon arrival and any irregularities or damage shall be reported
to the manufacturer/supplier and construction manager immediately.
212009.A0 230900-4
UNIVERSITY OF GEORGIA INSTRUMENTATION AND CONTROL FOR HVAC
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 2 - PRODUCTS
2.1 GENERAL
A. Provide systems, equipment, and devices recommended by the manufacturer for the service
indicated. All multiple quantities of the same item, whether of the same size of differing sizes,
shall be by the same manufacturer unless otherwise specified and, where applicable, the same
model number. Provide all electrical power sources, process sensing tubing, wiring and
conduit and associated devices and accessories required for a complete and fully functional
system in accordance with the operation requirements specified.
B. Adverse Electrical Conditions: All equipment shall be capable of operating as specified and
without damage within the electrical environment of the chiller mechanical rooms. This
environment includes, but is not necessarily limited to, high-voltage, high-frequency surges
caused by electromechanical equipment, energy coupled between conductors by capacitance
and mutual inductance, and imperfect grounds. Devices and panels shall have suppressors to
protect against lightning damage; power supply surges; induced voltage from other equipment
such as transformers or electric motor operations; and electronic transmission/relay such as
may be caused by radio/TV broadcasting towers, radars and high-voltage transmission lines.
Input and output isolation, shielding, separation of circuits, surge suppression, or other
measures which may be required to meet these provisions shall be provided as specified.
Inputs, output, and other connections shall meet the surge-to-withstand requirements of ANSI
C37.90.
2.2 HARDWARE
A. General
1. General: Provide field control devices as indicated on the Contract Drawings suitable for
use with pressures, currents, and temperatures specific to each application.
2. Mounting Brackets: Mounting Brackets shall be provided for all transmitters and
switches. Brackets shall be of carbon steel construction with carbon steel bolts coated
with the manufacturers standard polyurethane paint. Brackets for panel mounting shall
not be acceptable.
3. Construction: Construction of field control devices shall be rugged type, designed for
industrial applications, with low sensitivity to vibration and shock.
4. Current Transmitters
a. Analog current range: field selectable range of one (1) to 135 amps continuous.
b. Sensor supply voltage: Induced from monitored conductor
c. Isolation: 600 VAC rms. (UL) 300 VAC rms (CE)
d. Temperature range: -5ºF to 140 ºF
e. Output: N.O.1.0A@30VAC/DC
f. Sensor shall produce output by measuring magnetic field about current carrying
conductor. Sensor shall be rated for 600 volts.
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UNIVERSITY OF GEORGIA INSTRUMENTATION AND CONTROL FOR HVAC
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g. Design basis: Veris Hawkeye H708 for applications other than VFDs. On VFDs
current transmitter shall be self-calibrating Veris H904.
5. Current Switches
a. Binary current sensor shall have field selected range from minimum one (1)
AMP to unlimited maximum. Range shall be field adjusted by number of
windings through sensor of current carrying conductor. Sensor shall detect
magnetic field about current carrying conductor. Contact output shall be form C
rated at one (1) amp @ 120 volts AC. Sensor shall be rated for 600 volts.
a. Outside Air Temperature Sensors: 4-20MA output signal that varies linearly and
continuously with sensed temperature and be bulb or capillary type. Sensor shall
include 16 gauge, 316 stainless steel weather shield and back plate. Sensor shall
be mounted on north face of building and out of direct sunlight 4-20MA output
signal that varies linearly with and continuously with sensed temperature.
Outside air temperature sensors accuracy shall be within +1°F (0.5°C) in the
range of -52°F to 152°F (-46.6°C to 66.6°C).
b. Room Temperature Sensors. 4-20MA output signal that varies linearly with and
continuously with sensed temperature. Room temperature sensors shall have an
accuracy of +0.36°F (0.25°C) in the range of 32°F to 96°F (0°C to 35.5°C).
c. Chilled Water and Condenser Water Sensors. Chilled water and condenser water
sensors shall have an accuracy of +0.25°F (0.15°C) in their range of application.
4. Accuracy within plus or minus 0.2% (including combined effects of linearity, hysteresis,
and repeatability).
5. Stability within plus or minus 0.1 percent of span for 24 months for RTDs.
6. Connections: Electrical connections shall be 1/2-14 NPT.
7. Sensor Assembly: Provide platinum, three (3) wire 100 or 1000 Ohm RTDs with an
industrial protective head of cast iron. RTDs shall have a terminal block and shall be
spring loaded. The protective sheath shall be 304 stainless steel; the sheath and element
with protective head shall screw into the thermowell. Provide threaded, tapered
thermowells constructed of 304 stainless steel. Immersion length of each thermowell
shall be a minimum of 1/3 of the pipe diameter.
8. Humidity Sensor: Outside air analog humidity sensor shall be non-saturating hydro-
mechanical type. Sensor shall have range of ten (10) to ninety (90) percent with
temperature limits of forty (40) to 140 degrees Fahrenheit and accuracy plus or minus
three (3) percent relative humidity. Sensor shall be room or insertion type as indicated.
9. Transmitters: High performance temperature transmitter that accepts RTD inputs and
converts it to a 4-20 mA DC signal for transmission. Transmitter shall use
microprocessor based sensing technology that ensure long-term accuracy and high
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C. Pressure Instruments
1. Differential Pressure (DP) and Pressure Sensors: Sensors shall have a 4-20 MA output
proportional signal with provisions for field checking. Sensors shall withstand up to
150% of rated pressure, without damaging the device. Accuracy shall be within +2% of
full scale. Sensors shall be manufactured by Leeds & Northrup, Setra, Robertshaw,
Dwyer Instruments, Rosemont, or be approved equal.
2. DP Sensors shall be Bourdon-tube, diaphragm or bellows type with snap-action form C
contracts of platinum, silver or gold construction. Sensor shall have adjustable setpoint
and differential with overrange capability of 150 percent of operating pressure. Switch
contact ratings shall be consistent with voltage and power levels and construction shall
meet requirements of media sensed. Sensors shall be supplied with isolation valve,
additional gauge tap and pigtails and/or blow downs.
3. Pressure Switches: Pressure switches shall have a repetitive accuracy of +2% of range
and withstand up to 150% of rated pressure. Sensors shall be diaphragm or bourdon
tube design. Switch operation shall be adjustable over the operating pressure range.
The switch shall have an application rated Form C, snap-acting, self-wiping contact of
platinum alloy, silver alloy, or gold plating.
4. All differential pressure transmitters shall be indicating type (field readable).
5. Construction: All process wetted parts (isolating diaphragm, drain/vent valves, and
process flanges) shall be 316 stainless steel. Wetted O-rings shall be glass filled TFE.
Cover O-rings shall be Buna-N. The electronics housing shall be a NEMA 4X enclosure
constructed of low copper aluminum and painted with epoxy polyester or polyurethane
paint. Bolts shall be austenitic 316 stainless steel.
6. Electrical Design: The transmitter shall operate with regulated DC power of 24 volts.
Current requirement shall be a maximum of 25 mA. Output shall be four to 20 mA dc
analogous to pressure or differential pressure range, and shall be interchangeable
between transmitters. Transmitters shall have a load resistance effect less than plus or
minus 0.10 percent of span per 1,000 ohms of load.
7. Performance Characteristics:
a. Accuracy within plus or minus 0.25 percent of span (including combined effects
of linearity, hysteresis, and repeatability).
b. Linearity within plus or minus 0.1 percent of calibrated span.
c. Hysteresis within plus or minus 0.05 percent of calibrated span.
d. Repeatability within plus or minus 0.05 percent of calibrated span.
e. Drift within plus or minus 0.2 percent of upper range limit per year
8. Accessories: Transmitters shall incorporate radio frequency interference (RFI) filtering.
Provide three valve manifold for flow measurement using differential pressure
producing primary elements. Manifold shall be constructed with a Type 316 stainless
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steel body and stem. Handwheel and barrel shall be Type 304SS. Packing and seals
shall be Teflon. Nominal rating of manifold shall be 3000 psi at 392 degrees fahrenheit.
Provide connections required to connect test equipment for instrument calibration and
adjustment.
9. Connections: Electrical connections shall be 1/2-14 NPT. Process connections shall be
1/2-14 NPT.
10. Communication: Remote mounted differential pressure transmitters shall be hardwired
to plant CAS system.
D. Control Panels
1. Central Control Panels: Fully enclosed, steel-rack type cabinet with locking doors or
locking removable backs. All control panels shall be UL listed and shall be NEMA
Type 1.
2. Local Control Panels: Unitized cabinet with suitable brackets for wall or floor
mounting, located adjacent to each system under automatic control. All control panels
shall be UL listed as pre-wired/pre-piped assembllies and shall be NEMA Type 1.
Provide common keying for all panels.
1. Motors: The actuator motor is to be reversible, high stall torque, totally enclosed squirrel
cage type, containing integral automatic resetting thermal overload protection,
constructed for valve actuators. Motor insulation shall be class “F”
2. The actuator shall be direct-coupled over the shaft, enabling it to be mounted directly to
the shaft without the need for connecting linkage. The fastening clamp assembly shall be
of a 'V' bolt design with associated 'V' shaped toothed cradle attaching to the shaft for
maximum strength and eliminating slippage. Spring return actuators shall have a 'V'
clamp assembly of sufficient size to be directly mounted to an integral jackshaft of up to
1.05 inches when the damper is constructed in this manner. Single bolt or screw type
fasteners are not acceptable.
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3. Gear Drive: The actuator shall incorporate the use of a self-locking worm gear drive, the
worm shall be rolled steel and the worm gear shall be aluminum-bronze. Power train
gearing shall be grease lubricated.
4. Size for torque required for valve for more stringent of shut-off at maximum differential
pressure as specified on the control valve schedule or packaged Class 150 (285 psig).
5. Temperature Rating: Minus 40 to plus 120 deg F.
6. Overload Protection: The actuator shall have electronic overload or digital rotation
sensing circuitry to prevent damage to the actuator throughout the entire rotation of the
actuator. Mechanical end switches or magnetic clutch to deactivate the actuator at the end
of rotation are not acceptable.
7. Actuator shall have declutchable manual override handwheel.
8. Actuator enclosure shall be rated for NEMA 1 environment.
9. Actuator shall have local position indication.
10. Actuator shall be fitted with limit switches to indicate valve open and valve closed
positions.
11. Actuator power supply shall be 120 VAC and not require more than 10 VA, single phase,
60 Hz.
12. Actuators shall have internal heating element to control condensation inside the
enclosure.
13. Automated valve and actuator shall be packaged and calibrated prior to shipment.
14. Contractor shall coordinate and ensure that butterfly valve actuator anti-condensation
heaters are wired and functioning at time of valve installation.
15. All non-spring return actuators shall have an external manual gear release to allow
manual positioning of the valve when the actuator is not powered. Spring return actuators
with more than 60 in-lb torque shall have a manual crank for this purpose.
16. All modulating actuators shall have an external, built-in switch to allow reversing
direction of rotation.
17. Actuators shall be provided with a conduit fitting.
18. Actuators shall be Underwriters Laboratories Standard 873 listed and Canadian Standards
Association Class 4813 02 certified as meeting correct safety requirements and
recognized industry standards.
19. Actuators shall be designed for a minimum of 60,000 full stroke cycles at the actuator's
rated torque and shall have a 2-year manufacturer's warranty, starting from the date of
installation. Manufacturer shall be ISO9001 certified.
20. Electronic direct-coupled actuation shall be provided. Actuators shall have a minimum 5-
year equipment warranty.
F. Output Devices
1. Control relay contacts shall be rated for the application, with a minimum of two (2) sets
of Form C contacts, enclosed in a dustproof enclosure. Relays shall have silver-
cadmium contacts with a minimum life span rating of one million operations. Operating
time shall be twenty (20) milliseconds or less, with release time of ten (10) milliseconds
or less. Relays shall be equipped with coil transient suppression limiting transients to
non-damaging levels.
2. Time delay relay contacts shall be rated for the application with a minimum of two (2)
sets of Form C contacts enclosed in a dustproof enclosure. Relays shall have silver-
cadmium contacts with a minimum life span rating of one million operations. Relays
shall be equipped with coil transient suppression devices to limit transients to non-
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damaging levels. Delayed contact opening or closing shall be adjustable from one (1) to
sixty (60) seconds with a minimum accuracy of plus or minus two (2) percent of setting.
3. Latching relay contacts shall be rated for the application with a minimum of two (2) sets
of Form C contacts enclosed in a dustproof enclosure. Relays shall have silver-
cadmium contacts with a minimum life span rating of one million operations. Operating
time shall be twenty (20) milliseconds or less, with release time of ten (10) milliseconds
or less. Relays shall be equipped with coil transient suppression devices to limit
transients to non-damaging levels.
4. Contactors shall be on the single-coil, electrically operated, mechanically held type.
Positive locking shall be obtained without the use of hooks, latches, or semi-permanent
magnets. Contacts shall be double-break silver-to-silver type protected by arcing
contacts. Number of contacts and ratings shall be selected for the application.
Operating and release times shall be 100 milliseconds or less. Contactors shall be
equipped with coil transients to non-damaging levels.
5. Solid-State Relays shall have input-output isolation greater than 1000 megohms with a
breakdown voltage of 1500 V rms or greater at sixty (60) Hertz. The contact life shall
be 10 million operations or greater. The ambient temperature range shall be minus
twenty (-20) degrees to plus 140 degrees Fahrenheit. Input impedance shall not be less
than 500 ohms. Relays shall be rated for the application. Operating and release times
shall be one millisecond or less. Transient suppression shall be provided as an integral
part of the relay to limit transients to non-damaging levels.
G. Auxiliary Devices
1. DC Current Transmitters
a. General: In order to prevent ground loop problems, provide a signal isolator for
any control circuit connected to a chart recorder if any piece of equipment in the
circuit is not isolated. The isolator shall receive a four to 20 mA input signal and
precisely re-transmit the signal with an accuracy of plus or minus 0.1 percent of
span or better. One isolator shall be capable of connecting to as many as three
circuits. The unit shall have a single screw driver adjustable potentiometer to
provide calibration of each isolator output current to the signal receiving loop.
The unit shall be capable of rack mounting.
b. Power Requirement: The isolator shall be loop-powered from input signal
currents within a range of four to 20 mA. The maximum load of the isolator
shall be 500 ohms or less.
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H. Control Wiring
1. The subcontractor shall provide and install control wiring from each field device to the
appropriate control panel. The control wiring shall be provided as specified in Division
26.
2. The control wiring shall be labeled at all junction boxes, pull boxes, outlet boxes, and at
all termination points.
J. Instrument Supports
1. Transmitters: Instrument stands for all transmitters shall be provided in accordance with
the instrument details shown on the mechanical detail drawings.
PART 3 - EXECUTION
3.1 INSTALLATION
A. General:
1. All controls, control devices, control wiring, control piping shall be installed in
accordance with the Contract Drawings and manufacturers recommendations.
Subcontractor shall install all control wiring and piping from field devices to control
panels (individual boiler control panel and plant master control panel) to provide a fully
operational system in accordance with the requirements of this Section. All control
wiring and conduit shall be field routed.
2. Arrangement: Arrange the work in a neat and orderly manner so that minimum storage
of equipment and material is required at the project site. Install the equipment and
material in accordance with the best commercial practices. All systems shall be neat in
appearance, compact, workmanlike in construction and assembly, and installed for
continuous service. All parts shall be readily accessible for inspection, repair, and
renewal.
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A. General: All personnel shall be skilled in the work to which they are assigned and all work
shall be performed under the direct supervision of an experienced and competent foreman.
Calibration sheets shall be filled out for each piece of equipment that is calibrated and a copy
turned over to Owner for his records.
B. The subcontractor shall furnish all instruments including pipe, tubing, manual valves,
supports, pipe and tube fittings, wire, conduit, tray, terminators, racks, mounting stands,
mounting plates, etc., to complete a working and operable plant in accordance with these
specifications.
C. Workmanship: All work shall be constructed plumb, square, level and true to building lines
and surfaces. Work shall be neat, substantial workmanlike so as to properly serve the intended
purpose.
F. Holes and Openings: Where holes are necessary in floors, walls, and siding, the subcontractor
shall neatly and carefully cut holes or openings of sizes approved by the Designer. Where
concrete slabs are already inplace, cutting shall be performed in a manner not producing
spalling of masonry or over break. Openings in walls and siding shall be sealed by the
subcontractor after piping and tubing is in place.
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documents.
A. The subcontractor shall calibrate all new control devices. The subcontractor shall provide
complete programming of devices, setting of alarm points, and all calibration procedures
necessary to provide a fully operational plant in accordance with the operational requirements
of this Section. The installing subcontractor, or his agent, shall generate and provide to the
Owner a complete record of the calibration and adjustment of all controls and instruments to
form a permanent record of that data. The subcontractor shall demonstrate to the satisfaction
of the Owner that the installation complies with the specified requirements.
B. General: The subcontractor shall provide all labor supervision, services, tools, special
equipment and consumable supplies required to perform a bench checkout of all
instrumentation. The purpose is to provide initial acceptance tests as recorded data that can
be used as a bench mark for future routine maintenance and trouble shooting by Owner
personnel. The anticipated result is to ensure minimal instrument and control related start-up
problems.
C. The subcontractor shall calibrate all instruments over the full operational range and prove
instruments to be within the specified accuracy. The instruments shall be calibrated
individually and where applicable as a system. A minimum of 3 points shall be checked
during calibration (0%, design operating temperature / pressure, 100%)
D. The subcontractor shall advise the Designer through the construction manager in writing upon
failure of any equipment or material to pass the test performed by the subcontractor, or to
properly function, as intended, or to meet the calibration accuracy required. The Designer
shall direct the subcontractor in taking the necessary steps to correct the failure. All
equipment and materials provided by the subcontractor requiring correction shall be corrected
at his expense.
E. After the instrument has been calibrated, all pertinent valves and switches shall be positioned
and tagged as needed for protection, and a distinctive tag or label shall be affixed to the
instrument to indicate that it has been calibrated.
F. Documentation
1. The subcontractor shall be responsible for preparation and distribution of certified
copies of forms recording and documenting the results of all calibrations. The
subcontractor shall maintain a current record of calibration and loop checkout in order to
permit informing the Owner, upon request, of exact status of the calibration and
checkout.
2. The subcontractor shall submit for the Owner’s record calibration procedures for all
instrumentation and control devices.
G. Personnel Qualification: The subcontractor shall perform the work with technicians skilled in
this particular type of work and with supervision thoroughly knowledgeable in calibration and
loop checking of instruments in large industrial facilities.
H. Compatibility of Calibration Medium: All fluids introduced to instrument bodies and attached
piping for purpose of calibration, or any other purpose, shall be compatible with the fluid in
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which instrument and piping will be filled during normal operation, and shall be free of system
contaminants.
I. Loop Checkout
1. The subcontractor shall provide all labor and supervision for the pre-operational tests of
each control loop and of each control system. Upon completion of the loop checkout, the
subcontractor shall submit to the Designer a check list indicating that all of the control
loops have been checked and operate as required by the contract documents. At a
minimum, the check list shall include the Loop No., date checked, and initials of person
performing loop check.
2. All control loops shall be individually operated before start-up. Permissive interlocks
shall be actuated or positioned temporarily to prove the proper operation of each control
loop. Actual signals must be introduced into the normal loop sensors unless specifically
waived by the Designer in favor of mechanical movement of such devices. Prior to
energization of instrument loops, the subcontractor shall ensure that all power, control,
and signal circuits containing fuses are checked for the presence of fuses of the proper
type and size.
A. General: The Contractor shall be responsible for the performance of all test and inspections as
specified herein to ensure that CAS is installed in compliance with contract requirements.
During system start-up tests, factory-trained engineers or technicians employed by individual
suppliers of such components as instrumentation and controls shall be present as required to
insure the proper functioning, adjustment, and testing of the individual components and
systems, and to train plant operation personnel in the operation and maintenance of them. A
detailed written record of the start-up performance shall be furnished to the Owner before the
subcontractor's test personnel leave the site. The Contractor shall furnish all labor, equipment,
and test apparatus required for testing. The subcontractor shall rectify all defects disclosed by
the tests.
C. Chiller Automation System Testing of New Cooling Tower and Condenser Water Pumps
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1. Testing shall be performed to assure that all information from field sensors and control
panels is properly integrated into the system. Testing will include, but not limited to:
a. Points check
b. Equipment start-up and shut-down
c. Overall system graphics check
d. Overall system energy monitoring check
e. Equipment stage-on and stage-off
D. Contractor shall provide field-testing and adjustment of each completed control system.
Contractor shall demonstrate that the computer hardware and software is fully functional in
presence of owner and designer. Provide any adjustments of each completed
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PART 1 - GENERAL
A. Contract Drawings and general provisions of Contract, including General and Supplementary
Conditions and other Division 01 Specification Sections, apply to this Section.
A. This Section provides the specification for pipe specialties. Pipe specialties include:
1. Strainers
2. Thermometers
3. Thermometer Wells
4. Pressure Gauges
1.3 SUBMITTALS
1. Provide product data for each specialty component listed in this section. Product data
shall indicate specified parameters and prove conformance to specifications. Submittals
shall be customized for this project indicating specific options and requirements listed
below:
a. Materials of construction
b. Dimensions
c. Flow ranges
d. Pressure Ranges
e. Schedules indicating service
f. Pressure drop
g. Manufacturer’s cut sheets
B. Operation and Maintenance Manuals: Submit manufacturer’s maintenance data for all
equipment.
A. Comply with applicable portions of American Society of Engineers (ASME) and Instrument
Society of America (ISA) standards pertaining to construction and installation of gauges and
meters.
B. Certification: Provide thermometers and gauges whose accuracies are certified by the
manufacturer for the specified operating conditions.
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D. Calibration: Provide calibration for all measurement devices after installation and start-up.
A. Store equipment in a dry location, away from the weather, dust, and debris.
B. Retain shipping flange protective covers and protective coatings during storage.
C. Inspect items immediately upon arrival and report any irregularities or damage immediately to
the manufacturer/supplier and Engineer.
PART 2 - PRODUCTS
A. Strainers for steam service shall be “Y” type, unless otherwise indicated on Contract Drawings.
B. For all liquid service strainers, provide a screen blowdown valve for each strainer. The valve
shall be the full size of the blow-off tapping. Provide shut-off valve in accordance with
Division 23 Section 230523 - VALVES. Provide nipple with cap downstream of valve in
accordance with the pipe system specifications as specified in Section 232113 – BASIC
PIPING MATERIALS AND METHODS.. Select the length of the nipple connecting to blow-
off valve to the strainer basket connection so that the blow-off valve is clear of insulation.
C. Provide strainer screen with a minimum net free area of 2 1/2 times the cross-sectional area of
the entering pipe.
D. All strainer screens shall be 1/8 inch thick Type 316 stainless steel with perforations as listed
below, unless smaller perforations are required by the valve or device which it protects.
Sizes (NPS)
1/2 thru 2 inches 0.057 inch openings
2-1/2 thru 4 inches 0.125 inch openings
5 inches and over 1.25 inch to 0.25 inch openings
F. Connections shall be as specified for the union type as listed in the individual piping group
specifications in Division 23 Section 232113 - BASIC PIPING MATERIALS AND
METHODS.
1. Ashcroft Inc.
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UNIVERSITY OF GEORGIA PIPING SPECIALTIES
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2. Trerice, H. O. Co.
3. Watts Regulator Co.; a div. of Watts Water Technologies, Inc.
4. Weiss Instruments, Inc.
5. WIKA Instrument Corporation - USA.
6. Winters Instruments - U.S.
B. Description:
A. Description:
1. Construction: Type 304 stainless steel tapered, with pressure and temperature rating of
2000 psi at 800oF.
2. Stem Length ("U" Length): For piping applications, shall be 1/3 to 1/2 of internal pipe
diameter. For air service in ducts, shall be 18 inches long.
3. Extension for Insulated Piping ("T" Length): Provide extended thermowells so that the
bottom of the thermometer extends 2 inches minimum beyond the insulation.
4. Threaded Cap Nut: With chain permanently fastened to well and cap.
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UNIVERSITY OF GEORGIA PIPING SPECIALTIES
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B. Description:
A. Isolation Valves
1. Description:
a. For all pressure gauges, provide 1/2 inch NPS shutoff valve as specified for the
specific piping system in Section 230523 – GENERAL-DUTY VALVES FOR
HVAC PIPING.
b. Valves shall be located minimum 2 inches outside of insulation.
B. Snubber
1. Description:
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UNIVERSITY OF GEORGIA PIPING SPECIALTIES
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a. For water systems below 120 degrees Fahrenheit, provide 1/2 inch stainless steel
bushing with corrosion-resistant porous metal disc through which the pressure
fluid is filtered.
b. Select disc material for fluid served and pressure rating.
C. Syphon:
1. Description:
a. On water systems operating above 120 degrees Fahrenheit provide fabricated coil
syphon or "pig tail" constructed as specified for the specific piping system in
Section 232113 – HYDRONIC PIPING.
PART 3 - EXECUTION
A. Install pipe specialties in accordance with manufacturer's instructions and as shown on the
Contract Drawings.
A. Install thermometers in vertical upright position and tilted to be easily read by an operator
standing on the floor.
B. Thermometer Wells: Install in pipe coupling or tee as required. Install in vertical upright
position. Fill well with oil or graphite and secure cap.
A. Install pressure gauges in pipe coupling or tee as required. Provide shutoff valve, snubber,
and/or syphon as specified. Locate pressure gauge in most readable position.
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UNIVERSITY OF GEORGIA BASIC PIPING MATERIALS AND METHODS
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PART 1 - GENERAL
A. Contract Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 01 Specification Sections, apply to work of this
Section.
A. This Section specifies piping materials and installation methods common to more than one
section of Division 23 and includes basic piping installation instructions.
B. Types of pipes and pipe fittings specified in this Section include the following:
1. Steel Pipes.
2. Miscellaneous Piping Materials/Products.
3. Sleeves and Seals.
4. Gaskets.
C. Pipes and pipe fittings furnished as part of factory-fabricated equipment are specified as part of
the equipment assembly in other Division 23 Sections and in general shall comply with the
requirements of this Section.
1.3 SUBMITTALS
A. Product Data: In accordance with Section 013300 – SUBMITTAL PROCEDURES, submit the
following:
B. Quality Control and Welding Quality Control Submittals: In accordance with Section 013300 –
SUBMITTAL PROCEDURES, submit the following:
1. ISO 9001 and Independent Test Reports: As specified in Quality Assurance below.
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UNIVERSITY OF GEORGIA BASIC PIPING MATERIALS AND METHODS
MAIN LIBRARY COOLING TOWER REPLACEMENT
2. Welding Procedures: Shall include QW-482 "Suggested Format for Welding Procedure
Specification (WPS)" and QW-483 "Suggested Format for Procedure Qualification
Record (PQR) "as specified in Welding Quality Assurance below for different weld
types.
3. Welders' Certificates: Shall include QW-484 "Suggested Format for Manufacturer's
Record of Welder or Welding Operator Qualification Tests (WPQ)" for all welders for all
weld types as specified in Welding Quality Assurance below.
C. Flushing and Sterilization Plan: Contractor shall submit a flushing plan for each installed pipe
and utility in the project for designer approval. A sterilization plan for potable water systems
shall be submitted.
D. Piping Tests: In accordance with Section 013300 – SUBMITTAL PROCEDURES, submit the
following:
1. Hydrostatic Testing Records: The Contractor shall maintain a constantly updated log (as
described in this Section) available to the Designer and Owner at all times. The
Contractor shall submit a final log to the Owner for his records.
2. Visual Examination Examiner's Qualifications: Provide as specified in this Section.
3. Visual Inspection Reports: Provide as specified in this Section.
4. Welder Identification List.
A. Codes and Standards: Comply with the latest editions of the publications of the following
Agencies to the extent referenced in this Section:
B. Special Precautions
1. Torch cutting of mechanical equipment will be permitted only with the specific written
approval of the Owner.
2. Any cutting method, which may create sparks, must include "Fire Watch". Submit "Fire
Watch" procedure for approval.
3. Any torch cutting, abrasive cutting, welding, or similar "hot work" that may result in a
Fire hazard requires a permit from the Fire Marshall or appropriate authority on site. A
permit must be obtained for each working day. An inspection of the site by the Fire
Marshall is required before "hot work" can begin.
4. Draining operations must not damage building components or endanger human health.
C. Country of Fabrication:
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1. All piping, fittings, and piping accessories not manufactured, fabricated, and/or
assembled in the United States of America or Canada must be manufactured, fabricated,
and/or assembled by an ISO 9001 registered corporation.
2. Submit ISO 9001 registration certificates for all corporations where the piping, fittings,
and piping accessories are not manufactured, fabricated, and/or assembled in the United
States or Canada.
3. For all piping, fittings, and piping accessories not fabricated in the United States or
Canada, submit an independent test report for all materials to be provided.
4. No piping, fittings, and piping accessories manufactured, fabricated, and/or assembled in
China including Taiwan are permitted to be provided in this Contract.
A. Welding Procedures: In the form of a submittal, the Contractor shall record in detail and shall
qualify the Welding Procedure Specifications for every welding procedure that he proposes.
Procedures shall be developed for all metals included in the work. The procedures for making
transition welds between different materials or between plates or pipes of different wall
thickness shall be qualified. Qualification for each welding procedure shall conform to the
requirements of ASME B31.1, and to this specification. The method for each system shall be
fully described including the number of beads, the volts, the amperes, and the welding rod for
various pipe thicknesses and materials. The welding procedures shall specify end preparation
for butt welds including cleaning, alignment, and root openings. Preheat, interpass temperature
control, and postheat treatment of welds shall be as required by approved welding procedures,
unless otherwise indicated or specified. Approval of any procedure does not relieve the
Contractor of the sole responsibility for producing acceptable welds. Welding procedures shall
be identified individually and shall be clearly referenced to the type of welding required for this
project. These procedures shall be the same as those used for all pipe welder qualification tests,
all shop welds, and all field welds. The Contractor shall provide Procedure Qualification
Records for all proposed Welding Procedure Specifications (WPS).
1. Welding Procedure Specifications: Provide for each weld type. It is highly recommended
that the Contractor use ASME Form E00006, QW-482 "Suggested Format for Welding
Procedure Specification (WPS)".
2. Procedure Qualification Records: Provide for each weld type. It is highly recommended
that the Contractor use ASME Form E00007, QW-483 "Suggested Format for Procedure
Qualification Record (PQR)".
C. Welder Qualification:
a. WPQs: Provide welder qualifications for each welder for each weld type. It is
highly recommended that the Contractor use ASME Form E00008, QW-484
"Suggested Format for Manufacturer's Record of Welder or Welding Operation
Qualification Tests (WPQ)." The WPQs shall be performed under the witness of
an independent agency. The witness shall be a representative of an independent
testing agency, Authorized Inspector, Owner or Designer's Inspector, or consultant,
any of which must be approved by the National Certified Pipe Welding Bureau.
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The qualifying test segment must be a 2-inch nominal pipe size with wall thickness
within range of the WPS. Tests position shall be "6G" per ASME Section IX.
b. Evidence of Continuity: Welder qualifications must be current. If the qualification
test is more than 6 months old, provide record of welding continuity for each
welder. Record of welding continuity shall show that the welder in question has
performed welding to the procedure in question without a 6 month continuous span
of inactivity since the date that the welder qualification test was passed for the
submitted welding procedure. Record of welding continuity shall include, at a
minimum, the welder's employer name and address, the date the welder
qualification test was passed, and the dates indicating welding continuity including
welding procedure for each date.
D. Weld Records:
1. For all welding within the scope of ASME B31.1, the Contractor shall submit to the
Designer for approval an administrative procedure for recording, locating, monitoring,
and maintaining the quality of all welds to be performed on the project. This quality
control document record shall include but not be limited to drawings and schedules
identifying location of each weld by individual number, identification of welder who
performed each weld by individual welder's name, stamp number, date and WPS used.
2. After achieving qualification, but before being assigned work, each qualified person shall
be assigned an identifying number by the Contractor that shall be used to identify all of
his welds. A list of qualified persons with their respective numbers shall be submitted by
the Contractor and shall be maintained accurately with deletions and additions reported
promptly.
3. Upon completing a joint, the welder shall mark the pipe not more than 6 inches from the
weld with the identifying number and the last two digits of the year in which the work
was performed. Identification marks shall be made by using a rubber stamp or felt-tipped
marker with permanent, weatherproof ink or other methods approved by the Designer
that do not deform the metal. For seam welds, identification marks shall be placed
adjacent to the welds at 3-foot intervals. Identification by die stamps or electric etchers
will not be allowed. The markers are to be provided by the Contractor. Substituting a
map of welds with welders' names shall not be acceptable.
A. Pipe Storage: Upon the receipt of each shipment of pipe on the job, the Contractor is
responsible for maintaining the marking and for the storage of all pipe in such a manner that the
ASTM material specifications and method of manufacture (seamless, etc.) of each piece of pipe
will be clearly discernible at the time of its installation in the system. If at the time of its
installation any piece of pipe is not readily identifiable, it will be subject to rejection, or
arbitrary downgrading by the Designer to the lowest grade which has been received on the job
to that date.
B. Provide factory-applied plastic end-caps on each length of pipe and tube, except for concrete,
corrugated metal, hub-and-spigot, and clay pipe. Maintain end-caps through shipping, storage
and handling to prevent pipe-end damage and prevent entrance of dirt, debris, and moisture.
C. Protect stored pipes and tubes. Elevate above grade and enclose with durable, waterproof
wrapping. When stored inside, do not exceed structural capacity of the floor.
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D. Protect flanges, fittings, and specialties from moisture and dirt by inside storage and enclosure,
or by packaging with durable, waterproof wrapping.
PART 2 - PRODUCTS
2.1 GENERAL
A. Code: The fabrication and erection of all piping shall conform to the latest edition and all
current revisions of ASME Code for Power Piping B31.1 and Section I of ASME Boiler and
Pressure Vessel Code as defined in their scopes. In addition, the fabrication and erection of all
piping shall conform to all applicable Federal, State, and Local laws.
B. Piping Materials:
1. Provide all pipe and tube of type, joint type, grade, size and weight (wall thickness or
Class) indicated for each service. Where type, grade or class is not indicated, provide
proper selection as determined by the intended service use, comply with governing
regulations and industry standards, and obtain approval from the Designer prior to any
work.
2. All piping shall bear the continuous marking of the manufacturer, ASTM Grade, and
Schedule.
3. Piping found to be defective shall be immediately removed from the site.
C. Pipe/Tube Fittings: Provide factory-fabricated fittings of type, materials, grade, class and
pressure rating indicated for each service and pipe size. Provide sizes and types matching pipe,
tube valve or equipment connection in each case. Where not otherwise indicated, comply with
governing regulations and industry standards for selections as determined by the intended
service use and install in accordance with pipe manufacturer's recommendations. In addition,
obtain approval from the Designer before performing any work.
A. General: A system has been established which identifies the specific piping materials and
procedures, gaskets, and other components for each type of pipe identified in the Contract
Drawings. The service number listed in the "Piping, Gasket, and Service Group Index" in this
section is linked to the specific pipe specification.
B. Pipe Identification System Description: The system used on the Contract Drawings to indicate
the specific materials and construction required for each pipeline is illustrated by the following
example.
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A. The following tables are a summary of the piping material schedules and operating and test
pressures.
B. In general, provide piping materials and joints that are suitable for operating at the scheduled
design operating temperature and at the scheduled test pressures and/or the ANSI rating and
pressure temperature limits listed at the beginning of each schedule, which ever criteria is
greater.
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D. SCHEDULE 1
Flanges 2 inches and smaller 150 pound forged steel, ANSI/ASME B16.5
and 2 1/2 inches and raised face (except where ANSI/ASME A 105
larger required to flat face) weld
neck
Flange 2-1/2 inches and larger Heavy hex bolts with ASTM A 307
Bolting heavy hex nuts Grade B
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A. SCHEDULE 2
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B. SCHEDULE 5
Flanges All Sizes 150 pound, raised face ASTM A403, Grade CR
(except where required to 304L
flat face) weld neck ANSI/ASME B16.5
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C. SCHEDULE 7
2 inches and larger BAg-7 Alloy Silver Brazed AWS A5.8 – filler
AWS A5.31 – flux
Flange All Sizes Heavy hex bolts with heavy ASTM A 307
Bolting hex nuts Grade B
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D. SCHEDULE 9
Pressure/Temperature Limits:
A. All pipe sleeves shall be constructed of one (1) piece Schedule 40 steel pipe, unless otherwise
indicated on the drawings.
B. Where watertight sleeves are indicated, provide Link Seal rubber seals, as manufactured by
Thunderline Corporation, between pipes and sleeves.
C. Escutcheon plates shall be provided for all exposed pipes passing through walls, floors, and
ceilings in finished areas. Plates shall be chrome plated brass, split ring type, and sized to
match the pipe or insulation where installed. Where plates are provided for pipes passing
through sleeves which extend above the floor surface, provide deep recessed plates to conceal
the pipe sleeves.
D. Provide twenty-four (24) gauge galvanized sheet metal sleeves for all exposed ductwork passing
through floors, walls, or ceilings and all ductwork passing through fire-rated or smoke
partitions. Duct sleeves shall be large enough to pass duct with insulation and shall have 2 inch
flanges returned against floor, wall, partition, or ceiling. Where fire dampers are required,
provide sleeves as detailed on the drawings and as required by the damper manufacturer.
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E. At all sleeves, where noise can be transmitted and at fire rated separations, seal all openings
between pipes and ducts and corresponding sleeve to prevent sound transmission and maintain
fire rating of the wall, floor or ceiling. Submit method of sealing sleeves for approval. U.L.
assembly rating of fire walls and floors shall be maintained at all times. All sleeves installed in
masonry or concrete construction shall be grouted in place.
2.5 GASKETS
A. Gasket Identification System: A system has been established which identifies the specific gasket
for each service identified in the Contract Drawings. The specific gasket group is linked by the
service number as listed in the Piping Material Schedule provided in this section.
B. Gasket Groups
1. Gasket Group A: Gaskets shall be non-asbestos, compressed sheet, nitrile binder with a
rated maximum operating temperature and pressure of 700°F and 1200 psi, respectively.
Gaskets shall be 1/16 inch thick and conform to the flange face on which they are used.
Acceptable products from acceptable manufacturers include: Sepco Style No. 6234,
manufactured by Sepco Corporation; 1599-TR, Hwy. 31, Pelham, AL 35124, Phone
Number (800) 242-6514; Sur-Seal Style No. NA 700, manufactured by Sur-Seal Gasket
and Packing, Inc.; 6156 Wesselman Road, Cincinnati, OH 45248; Phone Number (800)
345-8966; or approved equal.
2. Gasket Group HP: Gaskets shall be spirally wound, Type 304 stainless steel with non-
asbestos filler material and carbon steel outer ring. Gaskets shall be 1/16 inch thick and
conform to the flange face on which they are used. Acceptable products from acceptable
manufacturers include: Flexitallic Style CG with Flexite Super Filler, manufactured by
Flexitallic Inc., 6915 Hwy. 225, Deer Park, TX 77536; Phone Number (281) 479-3491;
or approved equal.
A. Description:
1. All bolts, nuts, studs, and miscellaneous hardware shall be in accordance with the
individual piping system schedule requirements.
2. All outdoor bolts, nuts, studs, washers, miscellaneous hardware, and supports shall be hot
dipped galvanized in accordance with the requirements of ASTM A 153.
3. All indoor bolts, nuts, studs, washers, and miscellaneous hardware shall be either
electroplated zinc in accordance with ASTM A 164 or electroplated cadmium in
accordance with ASTM A 165.
PART 3 - EXECUTION
3.1 PREPARATION
A. Remove scale, slag, dirt, and debris for both inside and outside of piping and fittings before
assembly.
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3.2 INSTALLATIONS
A. General: Install pipes and pipe fittings in accordance with recognized industry practices which
will achieve permanently-leak-proof piping systems, capable of performing each indicated
service without piping failure. Install each run with minimum joints and couplings. Reduce
sizes (where indicated) by use of reducing fittings. Align piping accurately at connections,
within 0.05 inches misalignment tolerance.
B. Piping Locations and Arrangements: Drawings (plans, schematics, and diagrams) indicate the
general location arrangement and restrictions of the piping systems. Location and arrangement
of piping layout shall take into consideration pipe sizing and friction loss, expansion, pump
sizing, and other design considerations. So far as practical, install piping as indicated.
C. Install piping free of sags or bends and with ample space between piping to permit proper
insulation applications.
D. Install steam piping to provide drainage to nearest drip leg. Piping shall be free of low points
where condensate can collect. Slope piping to drip legs at a minimum of 1% in situations where
condensate in the steam pipe flows by gravity in the opposite direction of steam flow and 0.5%
in situations where condensate flows by gravity in the same direction as steam flow. In
situations where steam is bidirectional, piping shall be sloped at a minimum of 1% to the drip
leg assembly.
E. Install exposed piping at right angles or parallel to building walls. Diagonal runs are not
permitted, unless expressly indicated on the Contract Drawings.
F. Locate groups of pipes parallel to each other, spaced to permit applying full insulation,
servicing of valves, and thermal expansion of piping systems.
G. Install drains at low points in mains, risers, and branch lines consisting of a tee, reducing tee,
weld-o-let, or soc-o-let fitting, applicable 3/4 inch shut-off valve, 3/4 inch nipple, and cap for
pipe sizes 6 inches and smaller; provide 2 inch shut off valve, nipple, and cap for pipe sizes 8
inches and larger. All components shall conform to the piping systems described in this Section
and to Section 230523 – GENERAL-DUTY VALVES FOR HVAC PIPING. The Designer
shall approve the location of the high point vents and low point drains.
H. Electrical Equipment Spaces: Do not run piping through transformer vaults and other electrical
rooms or electronic equipment spaces and enclosures. In no instance shall piping be routed
above electrical equipment.
J. Shop Prefabrication:
1. Where shop prefabrication is not specified but is done as the Contractor's choice, any
adjustments necessary due to inaccuracies in equipment setting and dimensions or
location of existing obstructions shall be done at no additional cost. No shop fabrication
sketches will be checked by the Designer, but Contractor shall submit drawings to the
Designer for information.
2. All shop fabrication shall be fabricated to dimensional tolerances in accordance with Pipe
Fabrication Institute Standard ES-3.
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1. Contractor shall erect and support piping in manner that shall not put undue strain on
pumps, tanks, or equipment.
2. The procedure for connection of piping to equipment shall be as follows:
a. After the equipment has been set and grouted, the Contractor shall run the pipe to
the equipment without making any tight connections to flanges.
b. Flat faced flanges and full-face gaskets shall be used on piping connecting to
equipment with flat faced flanges. Raised faces of standard flanges may be
machined off flat to accomplish this. Bolting for these joints shall be per ASME
B31.1.
c. Flanges shall be checked by the Designer to assure that no strain is placed on the
equipment. If pipe is not in correct alignment, the Contractor shall remove piping
and correct. The correction in alignment shall not be made while the pipe is
connected to the equipment.
3. After alignment is found correct by the Designer, the Contractor shall bolt up the flanges.
4. When required by the Designer after the equipment has been in service, tested at
operating temperatures, and with the lines and equipment still hot, the Contractor shall
loosen flange connections to pumps, tanks, and equipment, and check for alignment,
position, expansion, and strain applied to the equipment; make any adjustments
necessary, and obtain approval of the Designer before reconnecting.
5. Provide temporary strainers as directed per Section 232000 - PIPING SPECIALTIES.
A. Use fittings for all changes in direction and all branch connections. Weld-o-lets and sock-o-lets
may be used in lieu of fittings for branch take-offs from mains 2 inches NPS or larger provided
that the branch take-off is two or more sizes smaller than the main and is not larger than 4
inches NPS. No "stub-ins" are permitted. Weld-o-lets and sock-o-lets outside of these
guidelines are forbidden.
B. Pipe Elbows: Provide pipe elbows where depicted on the Contract Drawings. Use long radius
elbows except where specifically designated on the Contract Drawings. Where turns less than
45 degrees are required, a standard long radius elbow shall be cut down and welded in position;
mitered joints are not acceptable.
C. Reducers: Shall be in accordance with the piping system specification. No mitered fitting are
allowed. Horizontally placed reducers in steam piping shall be eccentric type with flat on
bottom.
E. Install dielectric unions to connect piping materials of dissimilar metals in dry piping systems
(gas, compressed air). Unions shall be rated for the design basis working pressure and
temperature of the piping system per this specification.
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F. Install dielectric fittings to connect piping materials of dissimilar metals in wet piping systems
(water, steam). Fittings shall be rated for the design basis working pressure and temperature of
the piping system per this specification.
G. Refer to Section 232000 - PIPING SPECIALTIES for specification of pipe specialties including
steam traps, strainers, etc.
3.4 JOINTS
A. Threaded Joints: Thread pipe with tapered pipe threads in accordance with ANSI B2.1. Cut
threads full and clean using sharp dies. Ream threaded ends to remove burrs and restore full
inside diameter. Immediately before erecting the piping, all threads on pipe and all fittings shall
be thoroughly cleaned of cuttings, dirt, oil, or other foreign matter. Apply pipe joint lubricant or
sealant suitable for the service for which the pipe is intended on the male threads at each joint
and tighten joint to leave not more than 3 threads exposed.
B. Welded Joints:
1. General:
a. Weld pipe joints only when ambient temperature is above 0 degree F where
possible.
b. Bevel pipe ends at a 37.5 degree angle where possible, smooth rough cuts, and
clean to remove slag, metal particles, and dirt.
c. Use pipe clamps or tack-weld joints with 1-inch long welds; 4 welds for pipe sizes
to 10 inches.
d. Build up welds with stringer-bead pass, followed by hot pass, followed by cover or
filler pass. Eliminate valleys at center and edges of each weld. Weld by
procedures that will ensure elimination of unsound or unfused metal, cracks,
oxidation, blow-holes, and non-metallic inclusions.
e. Do not weld-out piping system imperfections by tack-welding procedures;
refabricate to comply with requirements.
f. Wherever branch pipe is indicated, install type of fitting shown on Contract
Drawings, i.e. forged branch connection fitting, regular "T" fitting, or reducing "T"
fitting. If the type of fitting is not shown on the Contract Drawings, the Installer
may chose between the above mentioned fittings, within the limits of the
following:
1) Forged branch connection fittings may only be used if the smaller branch
pipe is at least two standard nominal pipe sizes smaller than the larger main
pipe.
2) All fittings and procedures conform to the specific piping group
specification as scheduled in this Section.
g. If piping component ends are bored, such boring shall not result in the finished
wall thickness after welding less than the minimum design thickness.
h. The inside diameters of piping components to be butt-welded shall be aligned as
accurately as is practicable within existing commercial tolerances on diameters,
wall thickness and out of roundness. Alignment shall be preserved during
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welding. The internal misalignment of the ends to be joined shall not exceed 0.05
inch.
2. Welding Processes
a. All welding on metal piping systems shall be done using qualified welding
procedures and qualified welders and welding operators in accordance with
Section IX of the ASME Boiler and Pressure Vessel Code.
b. All welding shall be done by a process that is compatible with the work being
welded and the working conditions. Shielded metal-arc welding (SMAW) shall
not be used on work less than 3/16 inch thick.
c. Where a specific welding process is called for in the piping group, it shall govern.
d. All stainless steel work less than 3/16 inch thick shall be welded by the gas
tungsten-arc (GTAW) process with the back side purged. Work thicker than 3/16
inch shall have a root pass by the GTAW Process with the back purged and the
balance of the weld may be completed by SMAW Process or any other suitable
process.
3. Welding Grooves:
a. The ends of steel pipe and fittings to be erected with butt welded joints shall be
beveled to form welding grooves in accordance with ANSI B16.25, except where
otherwise noted in these Specifications, or on the Contract Drawings.
b. Welding grooves for butt welded joints in pipe of unequal wall thickness shall be
beveled in accordance with ASME Code for Pressure Piping B31.1 - latest edition,
latest revision and section that is applicable.
a. All welds shall have full penetration and complete fusion with a minimum of weld
metal protruding on the inside of the pipe.
b. The finished weld contour shall be uniform, with the toe or edge of the weld
merging smoothly into the base material. Butt welds shall have a slight
reinforcement build-up gradually from the toe or edge toward the center of the
weld. The limitation on butt weld reinforcement shall be in accordance with ANSI
B31.1, Table 127.4.2 and shall apply separately to both inside and outside surfaces
of the joint. Fillet welds may be slightly concave on the furnished surface.
1. Where socket welding valves or fittings are used, the pipe shall be spaced with a
minimum of 1/16 inch clearance between the end of the pipe and the socket so that no
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stresses will be imparted to the weld due to "bottoming" of the pipe in the socket. The fit
between the socket and the pipe shall conform to applicable standards for socket weld
fittings and in no case shall the inside diameter of the socket exceed the outside diameter
of the pipe by more than 0.075 inches.
1. Brazed And Soldered Joints: For copper tube and fitting joints, braze joints in accordance
with ASME B31.1.
2. Thoroughly clean tube surface and inside surface of the cup of the fittings, using very
fine emery cloth, prior to making soldered or brazed joints. Wipe tube and fittings clean
and apply flux. Flux shall not be used as the sole means for cleaning tube and fitting
surfaces.
E. Flanged Joints:
1. Match flanges within piping system and at connections with valves and equipment where
specified. Clean flange faces and install gaskets. Tighten bolts to provide uniform
compression of gaskets.
2. All slip-on flanges are to be welded on front and back. Welding neck flanges shall be
bored to match the attached pipe.
G. Plastic Pipe/Tube Joints: Comply with manufacturer's instruction and recommendations, and
with applicable industry standards.
1. Fittings shall be of grooved end design to accept grooved mechanical couplings and full-
flow design.
2. Flanges for connecting flanged components into the grooved system shall conform to
steel bolt hole alignment, assuring flange facings match components, and ANSI B16.5.
3. Pipe ends shall be clean and free from indentations, projections, and roll marks in the
area from the pipe end to the groove. The pipe shall be prepared in accordance with
manufacturer's recommendations.
4. Standard weight pipe shall be standard cut grooved.
5. The piping system shall be assembled and installed in accordance with manufacturer's
recommendations. Joints shall be assembled with special consideration to joint
separation and pipe expansion/contraction. The system shall be installed with special
consideration to hangers and supports needed to accommodate the increased flexibility of
the grooved end piping system. The Contractor shall refer to the "Design Data"
publication provided by the manufacturer. Anchors, where shown, shall be installed with
special consideration to the increased forces from the pressurized pipe.
A. General: Clean exterior surfaces of installed piping systems of superfluous materials, and
prepare for application of specified coatings. Clean interior of all installed piping systems
(including metallic underground utilities) as specified below. Flushing shall occur on
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weekdays, and the engineer shall be notified no less than seven (7) days prior to the flush.
Flushing shall be performed by the contractor and witnessed by the construction manager, the
owner, and the engineer. A flushing report shall be prepared for each flush, signed and dated by
the contractor and construction manager, and submitted to the owner and engineer. The
contractor shall not connect any new piping systems to the existing utility systems in the steam
plant until flushing has been completed for that system.
1. Equipment Isolation: All equipment, incluing boilers, heat exchangers, deaerators, water
coils, etc. shall be isolated during pipe system flushing and cleaning to prevent the
lodging of dirt and solids in equipment. Equipment isolation valves shall be opened only
after written permission from RMF Engineering Inc.
2. Temporary Piping: The contactor shall provide temporary pipe caps or loops and valves
as required to allow for equipment and pipe isolation during flushing.
B. Hydronic Flushing: Clear water from the plant city water system or fire hydrant shall be used to
flush piping. Flush water velocity shall be minimum of 8 fps. Isolate all equipment and do not
flush through any equipment under any circumstances. Provide 2” drain valve at each end of
systems to be flushed, and pipe caps, air vents, and hoses as necessary, and introduce city water
pressure to one end. Provide hoses as required to direct the flushing discharge to the sanitary
system, outside of the plant. Flush the piping by opening the valve on the other end of the
piping and allowing the water to run until it is clear as identified by the owner or the engineer.
The owner will provide access to a 2” city water supply connection for flushing purposes.
Upon completion of hydronic flushing, remove the 2” drain valves and any temporary pipe caps
or vents that were installed to complete the flush.
1. The following systems shall be cleaned by this method:
a. All sizes and lengths of condenser water piping
C. Hydronic Cleaning:
1. Contractor shall chemically clean the aforementioned piping systems prior to equipment
start-up with a pressurized addition of a liquid alkaline compound with emulsifying
agents and detergents for the removal of grease and petroleum products.
2. The system shall be circulated for at least 48 hours after which a drain valve at the
systems lowest point shall open and allowed to bleed while the system continues to
circulate. The make-up water system shall be verified to be operational.
3. The system bleed and refill shall continue until the water runs clear, all detergent has
been removed, and the ph of the system is lower than that of the make-up water.
4. The following systems shall be cleaned by this method:
a. All sizes and lengths of condenser water piping.
B. All boiler external piping shall be hydrostatically tested in accordance with PG-99 of Section I
of the ASME Boiler and Pressure Vessel Code. Boiler external piping is defined in paragraph
100.1.2(A) of ASME B31.1 Power Piping Code. It shall be the responsibility of the boiler
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manufacturer and the Contractor to direct and conduct hydrostatic testing on all boiler external
piping.
C. All non boiler external piping shall be hydrostatically tested in accordance with Paragraph 137
of the ASME B31.1 Power Piping Code.
D. General: Provide temporary equipment for testing, including pump and gages. The gage shall
be accurate to within 3 psig and shall be calibrated within six months of the test as recorded on
a sticker on the gage. Test piping system before insulation is installed. Pressure testing shall
be performed following the completion of postweld heat treatment, nondestructive
examinations, and all other fabrication, assembly, and erection activities required to the provide
the system or portions thereof subjected to the pressure test with pressure retaining capability.
Remove control devices before testing. Test each natural section of each piping system
independently but do not use piping system valves to isolate sections where test pressure
exceeds valve pressure rating. Fill each section with water and pressurize for indicated pressure
and time. The Contractor shall provide air vents at all high points in the system to purge air
pockets while the system is filling.
E. Test Pressure:
1. The hydrostatic test pressure shall be as defined in Paragraph 137.4.5 of the ASME B31.1
Power Piping Code. The design pressure is listed under the line service description in the
"SUMMARY OF PIPING MATERIAL SCHEDULE" listed in this Section.
2. The test pressure shall be continuously maintained for a minimum time of 4 hours.
During this 4 hour period, no pressure drop shall be measured. After the 4 hour period, if
necessary, the pressure may then be reduced to design pressure and held for such time as
may be necessary to continue to conduct the examinations for leakage. Examinations for
leakage shall be made of all joints and connections. The piping system shall show no
visual evidence of weeping or leaking. The Designer shall witness hydrostatic testing.
Seven (7) days advanced notice shall be provided to the Designer for all hydrostatic
testing. After any leaks are found and corrected, the test shall be repeated.
3. Test pressure gauge shall be located at the highest point in the piping system and shall be
readable during test procedure.
F. Test Blinds:
1. If during the field testing of piping it becomes necessary to insert test blinds in any part
of this piping, the Contractor shall provide test blinds.
2. Test blinds shall be equipped with a long handle.
3. The Contractor shall submit a written description of the location of test blinds before
testing.
4. The Contractor shall remove all test blinds after testing.
G. Repair piping systems sections that fail required piping test, by disassembly and re-installation,
using new materials to extent required to overcome leakage. Do not use chemicals, stop-leak
compounds, mastics, or other temporary repair methods.
H. Drain test water from piping systems after testing and repair work has been completed.
I. Records:
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A. General: Visually examine all pipe welds per ASME B31.1. As described below, visual
examination of welds shall be performed by the Contractor.
B. Acceptance Standards:
1. The acceptance standards for visual examination shall be as defined in ASME B31.1,
Paragraph 136.4.2.A, and are repeated here for convenience. The following indications
are unacceptable:
a. Cracks-external surface.
b. Undercut on surface which is greater than 1/32 inch deep.
c. Weld reinforcement greater than that specified in Table 127.4.2. of ASME B31.1.
d. Lack of fusion on surface.
e. Incomplete penetration (applies only when inside surface is readily accessible).
f. Any other linear indications greater than 3/16 inch long.
g. Surface porosity with rounded indications having dimensions greater than 3/16
inch or four or more rounded indications separated by 1/16 inch or less edge to
edge in any direction. Rounded indications are indications which are circular or
elliptical with their length less than three times their width.
2. In addition, acceptance will also be based on the proper lay-out, materials, and methods,
as specified.
C. Failed Welds:
1. All welds not passing visual examination shall be repaired or replaced at no expense to
the Owner.
2. Do not begin to repair or replace the weld until the weld report has been submitted to the
Designer and the Designer gives approval for repairing the weld with the method that the
Contractor proposes.
D. Reporting:
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1. Reports for visual examinations of welds shall be required for all piping larger than 3
inch NPS except for vent and drain services. Reports preformed for visual examinations
by the Contractor are not required to be submitted, but shall be kept available for review
at any time by the Designer.
2. Each weld report shall include the following:
E. Examiners' Qualifications:
a. Before welding - for compliance with requirements for joint preparation, alignment
and fit-up, cleanliness, condition of welding equipment, quality and condition of
base and filler materials to be used, and preheat, when required.
b. During welding - for cracks, conformance to the qualified welding procedure,
quality of individual weld passes, interpass temperature, placement and sequencing
of individual weld passes, and backgouged surfaces.
c. After welding - for cracks, contour and finish, bead reinforcement, undercutting,
overlap, size of fillet welds, finished weld appearance, weld size, weld length,
dimensional accuracy of weldment, and monitor post weld heat treatment.
G. Examiner's Scope:
1. Contractor Personnel:
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A. General: Owner may perform ultrasonic examination of piping system by a third party
contractor at their expense.
B. Examiner's Qualifications:
1. All persons performing and evaluating ultrasonic examinations shall be certified for NDT
Level II as recognized by the American Society for Nondestructive Testing.
2. Credentials and certification of all examiners must be submitted and approved prior to a
person performing the initial examination.
C. Failed Welds:
1. All welds not passing ultrasonic examination shall be repaired or replaced at no expense
to the Owner.
2. Do not begin to repair or replace the failed weld until the weld report has been submitted
to the Engineer and the Engineer gives approval for repairing the weld with the method
that the Contractor proposes.
A. Match flanges within piping system and at connections with valves and equipment where
specified.
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 through 26 Specification Sections, apply to this Section.
1.2 SUMMARY
1. Division 23 Section "Common Motor Requirements for HVAC Equipment" for general
motor requirements.
1.3 SUBMITTALS
A. Product Data: Include certified performance curves and rated capacities. Pump curve shall
include information on the following
1. Indicate total head (feet) versus flow (gpm) for the specific impeller diameter selected.
2. Brake horsepower (bHp), net positive suction head required (NPSHR), and efficiency.
3. Curve shall indicate shut-off head and minimum flow requirements.
4. Indicate pump’s operating point on curves.
5. Specific speed at rated conditions.
6. Performance curve shall be factory certified for each pump.
B. Materials of construction for all part addressed in the specification. Indicate maximum pressure
and temperature rating of component.
C. Shipping, installed, and operating weights; furnished specialties; final impeller dimensions; and
accessories for each type of product indicated.
D. General Arrangement: Provide a drawing showing the arrangement of the pump, motor, and
coupling indicating dimensions, weights, required clearances, location and size of all field
connections, and anchoring locations. This drawing shall be provided by the pump
manufacturer.
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F. Wiring Diagrams: Detail wiring for power, signal, and control systems and differentiate
between manufacturer-installed and field-installed wiring.
G. Product Data: Provide manufacturers product data for each pump and pump accessories.
H. Motor submittals:
1. Manufacturer
2. Horsepower
3. Efficiency (at design)
4. Power-factor (at design)
5. Enclosure
6. Insulation Class
7. NEMA Design
8. RPM
I. Field Inspection Report: Submit field pump inspection report as required in this specification
section.
1. Centrifugal Pumps
A. Manufacturers Qualifications: The pump manufacturer shall provide pumps that are based on
the manufacturer’s standard product, except as specified herein. The pumps provided shall have
been the same model used in successful operation on five (5) similar installation of the same
size and duty for a period of five (5) years or longer.
C. Single Source Responsibility: Obtain each category of pump from one source and by a single
manufacturer. Include responsibility and accountability to answer questions and resolve
problems regarding compatibility installation and performance and acceptance of pumps.
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D. UL Compliance: Fabricate and label pumps to comply with UL 778, "Motor-Operated Water
Pumps," for construction requirements.
E. Regulatory Requirements: Fabricate and test steam condensate pumps to comply with HI 1.1-
1.5, "Centrifugal Pumps for Nomenclature, Definitions, Application and Operation," and HI 1.6,
"Centrifugal Pump Tests."
F. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction.
A. Preparation for Shipping: After assembling and testing pumps, clean flanges and exposed
machined metal surfaces and treat with an anticorrosion compound. Protect flanges, pipe
openings, and nozzles with vapor proof, durable covers. Provide shipping platforms and cover
pumps, drivers and accessories for protection against weather and damage during shipping.
B. Immediately upon receipt of pump equipment, the Contractor shall check carefully to see that
all equipment has been received and is in good condition. The Contractor shall report any
shortage or damage to the transportation company handling the shipment, noting the extent of
damage or shortage on the freight bill and bill of landing. The Contractor shall not leave the
unit exposed to construction or weather hazards where it may be damaged mechanically or
environmentally.
C. Short Term Storage: Pumps shall have adequate protection for short term storage in a covered
dry and ventilated location prior to installation and start-up.
D. Long Term Storage: If it is anticipated that the equipment will be subject to extended storage
prior to installation, the manufacturer shall be advised by the Contractor so that special
protection can be provided for the equipment. Treatment of bearings, seals and machined
surfaces with preservatives may be required. Periodic rotation of the pump and drive shaft is
recommended.
E. Retain shipping flange protective covers and protective coatings during storage.
F. Protect bearings, motor and couplings against damage from sand, dust grit, or other foreign
matter.
G. Comply with the manufacturer's rigging instructions for handling, loading and off-loading
pumps.
1.7 COORDINATION
A. Coordinate size and location of concrete bases. Cast anchor-bolt inserts into bases. Concrete,
reinforcement, and formwork requirements are specified in Division 03 Section "Cast-in-Place
Concrete."
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PART 2 - PRODUCTS
2.1 MANUFACTURERS
1. Centrifugal Pumps:
B. The performance of the pumps shall be in accordance with the Standards of the Hydraulic
Institute. Total head and net positive suction heads are as defined by the Standards of the
Hydraulic Institute.
C. All centrifugal pumps shall be sized so that the design point falls on the rising part of the pump
curve and near the best efficiency point, but not in an area of high unbalanced thrust. Pumps
shall be selected at a point within the maximum efficiency for a given impeller casing
combination. Deviations within 3 percent of maximum efficiency are permissible, provided the
lesser efficiency is not less than the scheduled efficiency.
D. Discharge head shall be continuously rising with no flat spots over the entire flow range from
rated to minimum flow.
E. Pumps having impeller diameters larger than 85 percent of the published maximum diameter of
the casing or less than 15 percent larger than the published minimum diameter of the casing will
be rejected.
F. Pumps shall be suitable for operation at indicated temperature without vapor binding and
without cavitation under any system operating condition. The only acceptable means of
rectification of cavitation shall be replacement of entire pump assembly.
G. The pump manufacturer shall include an NPSH margin in the pump. The NPSH margin shall
be in accordance with Table I of ANSI/HI 9.6.1 for water application.
H. Pumps of the same duty condition, classification, and accessories, or with specified accessory
deviation, shall be identical and the product of one manufacturing source.
J. Suction and discharge gage connections, 3/4 inch NPT, shall be provided and plugged on all
pumps. A casing drain connection shall be provided and plugged on all pumps.
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L. All impellers shall be balanced to achieve minimal static and dynamic imbalance. Dynamic
balancing shall be performed at the design speed. Vibration limits for pumps shall be in
accordance with Figure 1.102 of HI 1.1 - 1.5.
M. All pumps shall be direct driven and shall be fitted with flexible couplings. All couplings shall
be sized with a minimum 1.5 service factor for the installed horsepower. Coupling halves
attaching to the motors shall be bored and key seating.
B. Service: Design pumps and accessories for continuous operation. The water temperature range
is from 40°F to 60°F.
E. Construction
1. General
2. Materials of Construction:
a. Casing: ASTM A48, Class 30 cast iron (working pressure 250 psig)
b. Impeller: ASTM B584 AL835 or AL 836 Bronze
c. Shaft: 416 Stainless Steel
d. Shaft Sleeves: ASTM A 582 GR 516 (A1SI 316) Stainless Steel
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3. Shaft Seals:
4. Bearings:
a. Bearings shall be externally regreasable cam lock type double row design capable
of keeping rotating element in proper axial alignment while wistanding radial and
thrust loading.
b. Rated Bearing Life: AFBMA 9 or AFBMA 11, L-50 of 200,000 hours.
5. Shaft Coupling:
a. All metal, flexible design which permits parallel, angular, and axial misalignment.
Coupling shall be sufficiently flexible to reduce transmission of shock loads.
Coupling size selected shall be based on manufacturer's recommendation for the
service. Flexible coupling shall act as a dielectric union and shall not transmit
sound vibration or end thrust. Provide ANSI and OSHA approved coupling guard
bolted to baseplate.
F. Connections: 125 lb Class, A45 B16.1 flanges with 175 PSIG design pressure rating.
H. Motor: Select motor size so that the motor is not overloaded at any point on the pump head-
flow performance curve. Refer to Section 230513 – Common Motor Requirements for HVAC
Equipment.
I. Painting: Pump shall be painted with manufacturer's standard paint. Do not paint over name
plates or identification information.
K. Identification Nameplates and other data plates shall be stainless steel, secured to the pump.
Parts numbering shall be identifiable with a numerical system to facilitate parts inventory
control. Each part shall be identified by a separate number and parts that are identical shall
have the same number. Nameplates shall identify pump manufacturer, model number, size,
manufacture date, design flow, head, horsepower, voltage, and rated amperage. Nameplates
shall be permanently fixed to the pump casing located in a conspicuous place clearly visible at a
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distance of 5'-0". Additional copies of nameplates shall be provided and attached to the outside
insulation surface for pumps that are insulated.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine equipment foundations and anchor-bolt locations for compliance with requirements for
installation.
1. Examine roughing-in for piping systems to verify actual locations of piping connections
before pump installation.
2. Examine foundations and inertia bases for suitable conditions where pumps are to be
installed.
B. Proceed with installation only after unsatisfactory conditions have been corrected.
A. General: Pumps shall be installed by the Contractor at locations indicated, in accordance with
the manufacturer's written instructions and with access for periodic maintenance, including
removing motors, impellers, coupling, and accessories.
B. Rigging for off loading of the pumps shall be in accordance with the pump manufacturer
instructions and shall be performed by experienced rigging personnel provided by the
contractor. Installation of all of the pumps shall occur concurrently to minimize the disruption
of the Owner's operations.
C. Piping: Suction and discharge piping shall be installed as indicated on the contract drawings. If
piping can not be installed as indicated advise the designer before commencing any work.
Support pipe such that weight of piping is not supported by pump. If suction line is larger than
the pump suction connection, eccentric reducers shall be used. The reducer shall be installed
straight side up. If an elbow is required on the pump suction, a long radius elbow shall be used
with required straight pipe diameters.
D. Alignment: Proper pump installation by the Contractor shall include preliminary alignment
before any grouting or piping takes place. Baseplate shall be set flat, level, and bolted. A
preliminary check shall be made of the motor alignment before grouting takes place. This shall
be done to prevent the need of rolling or twisting the baseplate to obtain the alignment for the
motor. When the Contractor is satisfied that the preliminary alignment is satisfactory, the
grouting of pump base shall be completed. The Contractor shall then provide shimming for
motor and coupling alignment within tolerance and the bolts tightened. Piping shall them
proceed away from the pump flanges with proper support, making the final pipe connections at
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least three or four joints away from the pump. The alignment shall be rechecked after the unit is
piped and grouted by factory-authorized personnel. Perform the above operations in the
sequence listed.
E. All pump and motor surfaces that have been damaged or scarred will be primed and painted
with factory provided touch-up paint.
F. Install pumps to provide access for periodic maintenance, including removing motors,
impellers, couplings, and accessories.
3.3 CONNECTIONS
A. Piping installation requirements are specified in other Division 23 Sections. Drawings indicate
general arrangement of piping and specialties. The following are specific connection
requirements:
1. Install pressure gages at suction and discharge of pumps. Install at integral pressure-gage
tappings where provided or install pressure-gage connectors in suction and discharge
piping around pumps. Refer to Division 23 Section "Meters and Gages for HVAC
Piping" for pressure gages and gage connectors.
B. Install temperature and pressure-gage connector plugs in suction and discharge piping around
each pump.
C. Electrical power and control wiring and connections are specified in Division 26 Sections.
D. Ground equipment.
3.4 COMMISSIONING
B. Final Checks before Starting: Perform the following preventive maintenance operations:
1. Verify that pump is free to rotate by hand. Do not operate pump if it is bound or drags,
until cause of trouble is determined and corrected.
2. Verify that pump controls are correct for required application.
1. Prime pump by opening suction valves and closing drains, and prepare pump for
operation.
2. Open circulating line valve if pump should not be operated against dead shutoff.
3. Check general mechanical operation of pump and motor.
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4. Close circulating line valve once there is sufficient flow through pump to prevent
overheating. manufacturers representative field inspection.
D. Verify that pumps are installed and connected according to the Contract Documents.
E. Verify that electrical wiring installation complies with manufacturer's written instructions and
the Contract Documents.
F. Perform the following preventive maintenance operations and checks before starting:
1. Lubricate bearings.
2. Remove grease-lubricated bearing covers, flush bearings with kerosene, and clean
thoroughly. Fill with new lubricant according to manufacturer's written instructions.
3. Disconnect coupling and check motor for proper rotation that matches direction marked
on pump casing.
4. Verify that pumps are free to rotate by hand and that pumps for handling hot liquids are
free to rotate with pumps hot and cold. Do not operate pumps if they are bound or drag,
until cause of trouble is determined and corrected.
5. Check suction piping connections for tightness to avoid drawing air into pumps.
6. Clean strainers.
7. Verify that pump controls are correct for required application.
G. Refer to Division 23 Section "Testing, Adjusting, and Balancing" for detailed requirements for
testing, adjusting, and balancing hydronic systems.
A. The Pump Manufacturer shall provide the services of a factory trained Technician (see part 1.5-
B) for at least one (1) 8-hour day, dedicated to inspect the pump installations and align the
pumps to within the specified tolerances or better, if the manufacturer requires a more stringent
tolerance. Align the pump to within the required tolerance using methods outlined in the
Hydraulic Institute "Instructions for Installation, Operation and Maintenance" or the
manufacturer's printed instructions. Perform pump alignment supported and after grout has
cured. The factory trained Technician shall inspect the pump installations and provide a field
report indicating any required repairs, modifications or adjustments and provide certification
that the pumps have been installed properly and are operating properly contingent on the repairs
if any.
B. Start-Up: The factory trained Technician shall comply with manufacturer's written instructions
for start-up of operation, but not less than the following:
C. All required repairs, modifications and adjustments required for certification by the factory
trained technician shall be completed by the Contractor. The pumps shall then be re-inspected
by the factory trained technician until certificate of proper installation is issued. The Contractor
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shall complete the repairs, modifications, adjustments, and pay for the reinspection at no
additional cost to the Owner.
3.6 CLEAN-UP
A. The Contractor shall remove all trash and debris from the pump and pad area broom clean all
surfaces and repair any damaged finishes on the pumps with touch-up paint provided by the
Pump Manufacturer.
3.7 TRAINING
A. Provide the services of the manufacturers factory trained technician for an additional 4-hours to
instruct Owner personnel in the operation and maintenance of the pumps. Training shall be in
the field and cover all pump and motor servicing including, but not limited to, seal, bearing,
ring, motor, coupling, and impeller replacement. Schedule training two weeks in advance with
the Owner.
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PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Contractor to provide crane or helicopter service to lift cooling tower onto Main Library roof.
Contractor Coordinate schedule with UGA. All surface damage from crane is to be repaired
by the contractor at no cost to UGA.
B. This Section includes factory-assembled and -tested, open-circuit, induced -draft, counter-flow
cooling towers. Products shall be the manufacturer’s standard products having been applied at
five or more similar installation, each in successful operation for two years or longer.
1.3 SUBMITTALS
A. Product Data: Include rated capacities, pressure drop, fan performance data, rating curves with
selected points indicated, start-up instructions, furnished specialties, and accessories.
1. Rigging and Installation Instructions: Location of lifting points, weight distribution, and
additional rigging equipment requirements (i.e. spreader bars). Installation details for
unit connections, grillage and framing interface, railings, ladders, anchorage, and
accessories.
2. Wiring Diagrams: Power, signal, and control wiring.
C. Coordination Drawings: Plans, elevations, and other details, drawn to scale, on which the
following items are shown and coordinated with each other, based on input from installers of
the items involved:
1. Structural supports.
2. Piping and wiring roughing-in requirements (determine spaces reserved for electrical
equipment).
3. Access requirements for service and maintenance.
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1. Basis for Certification: Indicate whether withstand certification is based on actual test of
assembled components or on calculation.
a. The term "withstand" means "the unit will remain in place without separation of
any parts from the device when subjected to the seismic forces specified."
b. The term "withstand" means "the unit will remain in place without separation of
any parts from the device when subjected to the seismic forces specified and the
unit will be fully operational after the seismic event."
2. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate
and describe mounting and anchorage provisions.
3. Detailed description of equipment anchorage devices on which the certification is based
and their installation requirements.
G. Operation and Maintenance Data: For each cooling tower to include in maintenance and
operation manuals specified in Division 01. Include part list for tower fill, water distribution
system, fan, bearings, fan drives, controls, basin heaters, and accessories. Also identify tower
model and serial number, warranty and contact information.
A. Testing Agency Qualifications: An independent agency, with the experience and capability to
conduct the testing indicated, that is certified by CTI, and that is acceptable to authorities
having jurisdiction.
C. Product Options: Drawings indicate size, profiles, and dimensional requirements of cooling
towers and are based on the specific system indicated. Refer to Division 01 Section "Product
Requirements."
1. Do not modify intended aesthetic effects, as judged solely by Architect, except with
Architect's approval. If modifications are proposed, submit comprehensive explanatory
data to Architect for review.
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D. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
1.5 COORDINATION
A. Coordinate size and location of concrete bases and steel framing. Cast anchor-bolt inserts into
bases. Concrete, reinforcement, and formwork requirements are specified in Division 03.
B. Coordinate installation of roof curbs, equipment supports, and roof penetrations. These items
are specified in Division 07 Section "Roof Accessories."
1.6 WARRANTY
A. Deliver cooling tower as factory-assembled module units with protective crating and covering.
Handle towers and components carefully to prevent damage, breaking, denting, and scoring.
Do not install damaged towers or components. Report all damage immediately to the
Manufacturer, Owner, and Designer. The Owner retains the right to reject all damaged
materials. Repair or replacement shall be at the Contractor’s expense.
B. Rig units for unloading and moving as recommended by equipment manufacturer. Coordinate
crane rental time frames, locations, clearances, etc. with Owner. Protect towers and
components from dirt, dust, construction debris, and physical damage.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. In other Part 2 articles where titles below introduce lists, the following requirements apply to
product selection:
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catalogue of standard cooling towers, and is capable of meeting the requirements of this
specification.
2.2 MATERIALS
A. Galvanized Sheet Steel: Lock-forming quality; complying with ASTM A 653/A 653M, and
having G235 coating designation.
1. Evapco Inc.
B. Cooling tower is to be a replace in kind for footprint, structural support points and weight.
Upgrades will be made from the existing tower per this specification.
C. Fabricate cooling tower mounting base with reinforcement strong enough to resist cooling tower
movement during a seismic event when cooling tower is anchored to field support structure.
F. Collection Basin: Configure tower for installation with a field-constructed collection basin.
G. Collection Basin:
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C. Pressurized Water Distribution Piping: Main header and lateral branch piping designed for
even distribution over heat-exchanger coil or fill throughout the flow range without the need for
balancing valves and for connecting individual, removable, nonclogging spray nozzles.
D. Fill:
1. Materials: PVC, resistant to rot, decay, and biological attack; with maximum flame-
spread index of 5 according to ASTM E 84.
2. Minimum Thickness: 20 mils before forming.
3. Fabrication: Fill-type sheets, fabricated, formed, and bonded together after forming into
removable assemblies that are factory installed by manufacturer.
4. Fill Material Operating Temperature: Suitable for entering-water temperatures up
through 130 deg F.
1. Material: PVC; resistant to rot, decay, and biological attack; with maximum flame-
spread index of 5 according to ASTM E 84.
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F. Air-Intake Louvers:
1. Fan shall be low-sound fan option. Sound levels must be at or below the following:
S.P.L. dB(A) at 5’ 79 81 79 80 82
H. Drive: Power Band Belt designed for 150% of the motor nameplate hp.
K. Controls: Cooling tower shall be controlled by the existing CAS for similar operation as the
cooling towers that are being replaced this project.
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1. General: Ladder, safety cage, and OSHA approved work platform rated for a 200-lb./sq.
ft. live load shall be provided for field installation and components must comply with
OSHA standards. Provide a hot dipped galvanized steel grating walkway above the cold
basin overflow level to allow maintenance inside the tower with all steel at or below the
water level to be of stainless steel 304 construction. An upper grated walkway shall be
provided to allow visual inspection and maintenance on the drive system.
2. Doors: Large enough for personnel to access cooling tower internal components from
both cooling tower end walls. Doors shall be operable from both sides of the door.
3. External Ladders with Safety Cages: Aluminum fixed ladders with ladder extensions to
access external platforms and top of cooling tower from adjacent grade without the need
for portable ladders. Comply with 29 CFR 1910.27.
4. External Upper Platforms with Handrails: Galvanized-steel pipe bar grating at cooling
tower motor access level.
5. Handrail: Galvanized steel complete with kneerail and toeboard, around top of cooling
tower. Comply with 29 CFR 1910.23.
6. Internal Platforms: Hot dipped galvanized-steel bar grating.
a. Spanning the collection basin from one end of cooling tower to the other and
positioned to form a path between the access doors. Platform shall be elevated so
that all parts are above the high water level of the collection basin.
b. Elevated internal platforms with handrails accessible from fixed vertical ladders to
access the fan drive assembly when out of reach from collection basin platform.
2.5 MOTORS
A. General requirements for motors are specified in Division 23 Section "Common Motor
Requirements for HVAC Equipment."
1. Fan motor shall be as indicated in the drawings, totally enclosed, air over (TEAO), 1800
revolutions per minute, reversible, squirrel cage, ball bearing type, designed specifically
for cooling tower service. Motor shall be furnished with special moisture protection on
windings, shafts, and bearings. Motor shall be located outside the unit.
B. Cooling tower shall come with two davits, one at each motor. Davits shall be constructed of
aluminum and mounted on the side of the unit.
A. Verification of Performance: Test and certify cooling tower performance according to CTI's
STD 201, "Certification Standard for Commercial Water-Cooling Towers Thermal
Performance."
PART 3 - EXECUTION
3.1 EXAMINATION
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A. Examine roughing-in for steel bases, anchor-bolt sizes and locations, piping, and electrical
connections to verify actual locations and sizes before cooling tower installation and other
conditions affecting cooling tower performance, maintenance, and operation.
B. Proceed with installation only after unsatisfactory conditions have been corrected.
C. Examine proposed route of moving cooling towers into place and verify that it is free of
interferences.
3.2 INSTALLATION
A. Install cooling towers on existing steel base, level and plumb. Maintain multiple cooling tower
sumps at the same elevation. Level cold water collection basins to within a tolerance of 1/8
inch over 20 feet in both directions.
B. Equipment Base: Anchor cooling tower to steel base according to structural drawings.
D. Loose Components: Install electrical components, devices, and accessories that are not factory
mounted according to manufacturer’s instructions.
3.3 CONNECTIONS
A. Piping installation requirements are specified in other Division 23 Sections. Drawings indicate
general arrangement of piping, fittings, and specialties. The following are specific connection
requirement:
3. Connect overflow drain and bleed lines to sanitary sewer system. Adjust overflow collar
to appropriate operating level.
212009.A0 236501-8
UNIVERSITY OF GEORGIA COOLING TOWERS - COUNTER-FLOW
MAIN LIBRARY COOLING TOWER REPLACEMENT
D. Complete installation and startup checks according to manufacturer's written instructions and
perform the following:
1. Clean entire unit including basins. Precautions shall be taken to ensure that dirt and
debris is not swept into any inlet or outlet connections. Doing so will require re-flushing
of the entire condenser water system at no additional cost to the owner. If so deemed
necessary by the designer, the contractor shall also rod the tubes of all chiller condensers
tubes if these precautions are not taken.
2. Verify that accessories are properly installed.
3. Check makeup water float.
4. Verify clearances for airflow and for cooling tower servicing.
5. Check for structural support.
6. Lubricate bearings on fans and shafts.
7. Verify fan wheel rotation for correct direction and for vibration or binding. Correct
vibration and binding problems.
8. Adjust gear box if required.
9. Verify water level in tower basin. Fill to proper startup level.
10. Verify operation of tower basin, makeup line, automatic freeze protect dump, and
controlling device. Replace defective and malfunctioning units.
11. Verify operation of basin heater and control thermostat. Replace defective and
malfunctioning units.
12. Verify that tower discharge is not recirculating into air intakes. Recommend corrective
action.
E. Check HVAC water treatment system for proper operation, and measure chemical treatment
levels. Verify operation of tower basin automatic blowdown, and controlling device.
F. Start cooling tower and condenser-water pumps. Follow manufacturer's written starting
procedures.
G. Prepare a written startup report that records the results of tests and inspections.
3.5 ADJUSTING
3.6 TRAINING
1. Train Owner’s maintenance personnel on procedures and schedules for starting up and
shutting down, troubleshooting, servicing, and maintaining cooling towers. Training
shall be for one 8 hour day.
2. Schedule training with Owner, through Designer, with at least fourteen (14) days advance
notice.
212009.A0 236501-9
UNIVERSITY OF GEORGIA COOLING TOWERS - COUNTER-FLOW
MAIN LIBRARY COOLING TOWER REPLACEMENT
A. The cooling tower shall be guaranteed to perform at or above specified rated capacity for a
period of one year from Owner acceptance. Thermal performance shall be guaranteed by CTI
certification. If, because of a suspected thermal performance deficiency, the owner chooses to
conduct an on-site thermal performance test by an independent testing agency in accordance
with CTI standards during this period and the tower fail to perform within the limits of the test
tolerance; then the cooling tower manufacturer will pay for the cost of the test and will make
such corrections as are appropriate and agreeable to the owner to compensate for the
performance deficiency.
212009.A0 236501-10
UNIVERSITY OF GEORGIA COMMON WORK RESULTS FOR ELECTRICAL
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section Includes:
5. Sleeve seals.
6. Grout.
1.3 DEFINITIONS
A. Throughout the progress of the work, the electrical contractor shall keep at the job site, a
competent superintendent or supervisory staff satisfactory to the designer. The superintendent
shall not be changed without the written consent of the designer unless said superintendent
ceases to be employed by the contractor or ceases to be competent.
A. It is the responsibility of the Electrical Contractor to notify the Authority Having Jurisdiction to
schedule all required inspections.
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UNIVERSITY OF GEORGIA COMMON WORK RESULTS FOR ELECTRICAL
MAIN LIBRARY COOLING TOWER REPLACEMENT
1.6 SUBMITTALS
1.7 COORDINATION
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, wireways, cable trays, and busways will be clear of
obstructions and of the working and access space of other equipment.
B. Coordinate sleeve selection and application with selection and application of firestopping
specified in Division 07 Section "Penetration Firestopping".
A. This section delineates the division of work between Division 23 and Division 26.
1. All electrical work necessary for the proper operation of equipment requiring electrical
power and/or controls for this project shall be as described herein.
2. All individual motor starters, Variable Frequency Drive (VFD), disconnect switches for
equipment requiring electrical power shall be furnished and installed by the Division 26
contractor. Motor starters for mechanical equipment provided in motor control centers
shall be furnished under Division 26.
3. All power wiring up to a termination point consisting of a junction box, trough, starter,
VFD or disconnect switch, herein referred to as line side terminations, shall be provided
by Division 26.
4. Wiring from the line side termination point to the mechanical equipment, including final
connections, herein referred to as the load side terminations, shall be provided by the
contractor providing the equipment.
5. Equipment operating at less than 110 volts AC, including but not limited to: all relays;
actuators; timers; alternators; pressure sensors; vacuum sensors; float sensors; flow
switches; pneumatic-electric switches; electric-pneumatic switches; aquastats; freezestats;
line and low voltage thermostats; thermals; remote selector switches; remote push-button
stations; interlocking devices; and indicating lights, and other appurtenances associated
with equipment that is being provided shall be furnished, installed and wired by the
contractor providing said equipment.
212009.A0 260500 - 2
UNIVERSITY OF GEORGIA COMMON WORK RESULTS FOR ELECTRICAL
MAIN LIBRARY COOLING TOWER REPLACEMENT
6. All wiring required for HVAC controls and instrumentation not indicated on the drawings
shall be furnished and installed by Division 23.
7. A disconnect switch shall be provided under Division 26 if the equipment is not provided
with a built-in disconnect switch. In this case wiring from the switch to the fan shall be
under Division 23.
8. The sequence of control for all HVAC equipment shall be as indicated on the Division 23
control diagrams and specified in Section 23, HVAC Control System.
9. Where electrical wiring is required by trades, other than what is specifically indicated in
this specification, shall refer to same Division 26 specifications and shall provide
required starters, VFD, disconnect switches and controls as has been described herein for
contractors providing equipment.
10. All equipment requiring motor starters the contractor providing the equipment shall
provide combination starter/disconnects. Individual starters and disconnect switches will
not be accepted.
11. Variable Frequency Drive (VFD) shall be provided for all pumps and fan motors as
indicated on the drawings.
12. The contractor providing the equipment requiring starters, VFD, disconnect switches,
conduits and conductors shall reference, in its entirety, the specifications of Division 26
and shall install all provided equipment in full compliance with all requirements of
Division 26.
PART 2 - PRODUCTS
2.1 SUBSTITUTIONS
A. In specifying materials where three brand names have not been given the following applies:
1. When the material or equipment is specified with the phrase "...or approved equal..." after
a brand name and other identifying information, it is intended that the brand name is used
for the purpose of establishing a minimum acceptable standard of quality and perfor-
mance and Contractor may base his bid proposal on any item which is in all respects
equal to that specified and presents essentially the same appearance. It shall be the Con-
tractor's responsibility to ensure proper fit and clearances of all substituted equipment.
1. The (Architect/Engineer) will use his/her own judgment in determining whether or not
any materials, equipment or methods offered in substitution are equal to those specified.
C. All substitutions must be submitted through the appropriate bidding contractor to the Engineer
212009.A0 260500 - 3
UNIVERSITY OF GEORGIA COMMON WORK RESULTS FOR ELECTRICAL
MAIN LIBRARY COOLING TOWER REPLACEMENT
10-days prior to the bid date. Substitutions submitted after this time period may be deemed by
the Engineer as the sole reason for rejection.
D. Upon receipt of written approval from (Architect/Engineer), Contractor may proceed with sub-
stitution providing Contractor assumes full responsibility for, and makes, at his own expense,
any changes or adjustments in construction or connection with other work that may be required
by the substitution of such materials, equipment or methods. In the event of any adverse deci-
sions by the (Architect/Engineer) no claim of any sort shall be made or allowed against the
Owner.
A. Steel Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, galvanized steel, plain
ends.
a. For sleeve cross-section rectangle perimeter less than 50 inches and no side more
than 16 inches, thickness shall be 0.052 inch.
b. For sleeve cross-section rectangle perimeter equal to, or more than, 50 inches and
1 or more sides equal to, or more than, 16 inches, thickness shall be 0.138 inch.
A. Description: Modular sealing device, designed for field assembly, to fill annular space between
sleeve and raceway or cable.
2. Sealing Elements: EPDM or NBR interlocking links shaped to fit surface of cable or
conduit. Include type and number required for material and size of raceway or cable.
3. Pressure Plates: Carbon steel. Include two for each sealing element.
4. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant coating of length
required to secure pressure plates to sealing elements. Include one for each sealing
element.
212009.A0 260500 - 4
UNIVERSITY OF GEORGIA COMMON WORK RESULTS FOR ELECTRICAL
MAIN LIBRARY COOLING TOWER REPLACEMENT
2.4 GROUT
PART 3 - EXECUTION
A. It is the contractor’s responsibility to schedule the required inspections including the final
inspection.
1. AHJ inspections.
C. Measure indicated mounting heights to bottom of unit for suspended items and to center of unit
for wall-mounting items.
D. Headroom Maintenance: If mounting heights or other location criteria are not indicated,
arrange and install components and equipment to provide maximum possible headroom
consistent with these requirements.
A. Electrical penetrations occur when raceways, cables, wireways, cable trays, or busways
penetrate concrete slabs, concrete or masonry walls, or fire-rated floor and wall assemblies.
B. Concrete Slabs and Walls: Install sleeves for penetrations unless core-drilled holes or formed
openings are used. Install sleeves during erection of slabs and walls.
C. Use pipe sleeves unless penetration arrangement requires rectangular sleeved opening.
D. Fire-Rated Assemblies: Install sleeves for penetrations of fire-rated floor and wall assemblies
unless openings compatible with firestop system used are fabricated during construction of floor
or wall.
E. Cut sleeves to length for mounting flush with both surfaces of walls.
212009.A0 260500 - 5
UNIVERSITY OF GEORGIA COMMON WORK RESULTS FOR ELECTRICAL
MAIN LIBRARY COOLING TOWER REPLACEMENT
G. Size pipe sleeves to provide 1/4-inch annular clear space between sleeve and raceway or cable,
unless indicated otherwise.
H. Seal space outside of sleeves with grout for penetrations of concrete and masonry
1. Promptly pack grout solidly between sleeve and wall so no voids remain. Tool exposed
surfaces smooth; protect grout while curing.
I. Interior Penetrations of Non-Fire-Rated Walls and Floors: Seal annular space between sleeve
and raceway or cable, using joint sealant appropriate for size, depth, and location of joint.
Comply with requirements in Division 07 Section "Joint Sealants".
K. Roof-Penetration Sleeves: Seal penetration of individual raceways and cables with flexible
boot-type flashing units applied in coordination with roofing work.
L. Aboveground, Exterior-Wall Penetrations: Seal penetrations using steel pipe sleeves and
mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe
and sleeve for installing mechanical sleeve seals.
M. Underground, Exterior-Wall Penetrations: Install cast-iron pipe sleeves. Size sleeves to allow
for 1-inch annular clear space between raceway or cable and sleeve for installing mechanical
sleeve seals.
B. Use type and number of sealing elements recommended by manufacturer for raceway or cable
material and size. Position raceway or cable in center of sleeve. Assemble mechanical sleeve
seals and install in annular space between raceway or cable and sleeve. Tighten bolts against
pressure plates that cause sealing elements to expand and make watertight seal.
3.4 FIRESTOPPING
A. Apply firestopping to penetrations of fire-rated floor and wall assemblies for electrical
installations to restore original fire-resistance rating of assembly.
212009.A0 260500 - 6
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
1.3 DEFINITIONS
1.4 SUBMITTALS
B. Field quality-control test reports: From a qualified testing and inspecting agency engaged by
Contractor.
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
1.6 COORDINATION
A. Set sleeves in cast-in-place concrete, masonry walls, and other structural components as they
are constructed.
212009.A0 260519 - 1
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
PART 2 - PRODUCTS
1. Belden Cable
6. Ilsco
7. Thomas-Betts
8. Ideal
B. Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type,
and class for application and service indicated.
212009.A0 260519 - 2
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
A. Manufacturers:
2. Ideal Industries
3. 3M Company
B. The cable pulling lubricant GEL shall be compatible with all cable jackets. The lubricant
GEL shall be UL or CSA listed and water soluble, non-toxic and environmentally safe.
PART 3 - EXECUTION
A. Feeders: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.
B. Branch Circuits: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and
larger.
C. Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN-THWN, single
conductors in raceway.
A. Unless specifically noted on the drawings, all wiring shall be installed in a raceway.
B. Conceal cables in finished walls, ceilings, and floors, unless otherwise indicated.
C. Surface mount devices only where specifically shown on the plans. Obtain written permission
from the Engineer for all other surface mounting locations that are not specifically shown on the
plans.
212009.A0 260519 - 3
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
E. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will
not damage cables or raceway.
F. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and
follow surface contours where possible.
G. Support cables according to Division 26 Section "Hangers and Supports for Electrical Systems."
H. Identify and color-code conductors and cables according to Division 26 Section "Identification
for Electrical Systems."
I. Where the conductor length from the panel to the first outlet on a 277 volt circuit exceeds 125
feet, the branch circuit conductors from the panel to the first outlet shall not be smaller than #10
AWG.
J. Where the conductor length from the panel to the first outlet on a 120 volt circuit exceeds 50
feet, the branch circuit conductors from the panel to the first outlet shall not be smaller than #10
AWG.
K. Install no more than 3 phase wires in any feeder or branch circuit conduit.
L. Install a dedicated neutral conductor for each single phase 277-volt or 120-volt circuit.
3.4 CONNECTIONS
B. Make splices and taps that are compatible with conductor material and that possess equivalent
or better mechanical strength and insulation ratings than unspliced conductors.
C. Wiring at Outlets: Install conductor at each outlet, with at least 6 inches of slack.
D. Joints in solid conductors shall be spliced using Ideal “wirenuts”, 3M Company “Scotchlock” in
junction boxes, outlet boxes and lighting fixtures.
E. “Sta-kon” or other permanent type crimp connectors shall not be used for branch circuit
connections.
F. Joints in stranded conductors shall be spliced by approved mechanical connectors and gum
rubber tape or friction tape. Solderless mechanical connectors for splices and taps, provided
with U/L-approved insulating covers, may be used instead of mechanical connectors plus tape.
212009.A0 260519 - 4
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
G. Conductors, in all cases, shall be continuous from outlet to outlet and no splicing shall be made
except within outlet or junction boxes, troughs and gutters.
1. After installing conductors and cables and before electrical circuitry has been energized,
test feeder conductors for compliance with requirements.
2. Prior to energizing feeders, sub-feeders and service conductor, cables shall be tested for
electrical continuity and short circuits. A copy of these tests shall be sent to the, the
engineer of record, and the owner.
3. All current carrying phase conductors and neutrals shall be tested as installed, and before
connections are made, for insulation resistance and accidental grounds. This shall be
done with a DC megger. The procedures listed below shall be followed:
a. Three-phase conductor installations: For each phase conductor, ground all other
conductors, shields and metal conduit as applicable. Apply test voltage between
tested conductor and ground for sixty seconds. Repeat this procedure for other
phase conductors. Minimum readings shall be one million (1,000,000) or more
ohms for #6 AWG wire and smaller, 250,000 ohms or more for #4 AWG wire or
larger, between conductors and between conductor and ground.
c. After all fixtures, devices and equipment are installed and all connections
completed to each panel, the contractor shall disconnect the neutral feeder
conductor from the neutral bar and take a megger reading between the neutral bar
and the grounded enclosure. If this reading is less than 250,000 ohms, the
contractor shall disconnect the branch circuit neutral wires from this neutral bar.
He shall then test each one separately to the panel and until the low readings are
found. The contractor shall correct troubles, reconnect and retest until at least
250,000 ohms from the neutral bar to the grounded panel can be achieved with
only the neutral feeder disconnected.
d. At final inspection, the contractor shall furnish a megger and show the engineers
representatives that the panels comply with the above requirements. He shall also
furnish a hook-on type ammeter and voltmeter to take current and voltage readings
as directed by the representatives.
C. Test Reports: Prepare a written report to record the following and complete the form at the end
of this section:
212009.A0 260519 - 5
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
3. Test results that do not comply with requirements and corrective action taken to achieve
compliance with requirements.
212009.A0 260519 - 6
UNIVERSITY OF GEORGIA LOW-VOLTAGE ELECTRICAL POWER
MAIN LIBRARY COOLING TOWER REPLACEMENT CONDUCTORS AND CABLES
CLIENT/LOCATION: _______________________________________
_________________________________________________________________________________________
COMMENTS: ____________________________________________________________________________
_________________________________________________________________________________________
212009.A0 260519 - 7
UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
1.3 DEFINITIONS
B. Design supports for multiple raceways capable of supporting combined weight of supported
systems and its contents.
D. Rated Strength: Adequate in tension, shear, and pullout force to resist maximum loads
calculated or imposed for this Project, with a minimum structural safety factor of five times the
applied force.
1.5 SUBMITTALS
B. Welding certificates.
212009.A0 260529 - 1
UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
1.7 COORDINATION
A. Sequence, coordinate, and integrate installing electrical materials and equipment for efficient
flow of the Work. Coordinate installing large equipment requiring positioning before closing in
the building.
1. Coordinate the installation drawings with all other trades to assure proper and conflict
free installation of electrical systems and components.
2. Provide code required access and clearances to all equipment and sufficient access for
maintenance.
PART 2 - PRODUCTS
A. Steel Slotted Support Systems: Comply with MFMA-4, factory-fabricated components for field
assembly.
d. GS Metals Corp.
g. Wesanco, Inc.
212009.A0 260529 - 2
UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
C. Conduit and Cable Support Devices: Steel and malleable-iron hangers, clamps, and associated
fittings, designed for types and sizes of raceway or cable to be supported.
E. Structural Steel for Fabricated Supports and Restraints: ASTM A 36/A 36M, steel plates,
shapes, and bars; black and galvanized.
F. Mounting, Anchoring, and Attachment Components: Items for fastening electrical items or
their supports to building surfaces include the following:
1) Hilti Inc.
212009.A0 260529 - 3
UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
3) Hilti Inc.
3. Concrete Inserts: Steel or malleable-iron, slotted support system units similar to MSS
Type 18; complying with MFMA-4 or MSS SP-58.
4. Clamps for Attachment to Steel Structural Elements: MSS SP-58, type suitable for
attached structural element.
5. Through Bolts: Structural type, hex head, and high strength. Comply with
ASTM A 325.
A. Description: Welded or bolted, structural-steel shapes, shop or field fabricated to fit dimensions
of supported equipment.
PART 3 - EXECUTION
3.1 APPLICATION
A. Comply with NECA 1 and NECA 101 for application of hangers and supports for electrical
equipment and systems except if requirements in this Section are stricter.
B. Maximum Support Spacing and Minimum Hanger Rod Size for Raceway: Space supports for
EMT and RMC as scheduled in NECA 1, where its Table 1 lists maximum spacings less than
stated in NFPA 70. Minimum rod size shall be 1/4 inch in diameter.
C. Multiple Raceways or Cables: Install trapeze-type supports fabricated with steel slotted support
system, sized so capacity can be increased by at least 25 percent in future without exceeding
specified design load limits.
1. Secure raceways and cables to these supports with two-bolt conduit clamps.
D. Spring-steel clamps designed for supporting single conduits without bolts may be used for 1-
1/2-inch and smaller raceways serving branch circuits and communication systems above
suspended ceilings and for fastening raceways to trapeze supports.
212009.A0 260529 - 4
UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
A. Comply with NECA 1 and NECA 101 for installation requirements except as specified in this
Article.
B. Raceway Support Methods: In addition to methods described in NECA 1, EMT, IMC, and
RMC may be supported by openings through structure members, as permitted in NFPA 70.
C. Strength of Support Assemblies: Where not indicated, select sizes of components so strength
will be adequate to carry present and future static loads within specified loading limits.
Minimum static design load used for strength determination shall be weight of supported
components plus 200 lb.
D. Mounting and Anchorage of Surface-Mounted Equipment and Components: Anchor and fasten
electrical items and their supports to building structural elements by the following methods
unless otherwise indicated by code:
3. To Masonry: Approved toggle-type bolts on hollow masonry units and expansion anchor
fasteners on solid masonry units.
5. To Steel: Beam clamps (MSS Type 19, 21, 23, 25, or 27) complying with MSS SP-69.
7. Items Mounted on Hollow Walls and Nonstructural Building Surfaces: Mount cabinets,
panelboards, disconnect switches, control enclosures, pull and junction boxes,
transformers, and other devices on slotted-channel racks attached to substrate by means
that meet seismic-restraint strength and anchorage requirements.
8. Conduits installed in the interior or exterior building walls shall be spaced off the wall
surface a minimum of ¼-inch using “clamp-backs” or strut.
E. Drill holes for expansion anchors in concrete at locations and to depths that avoid reinforcing
bars.
A. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation
to support and anchor electrical materials and equipment.
212009.A0 260529 - 5
UNIVERSITY OF GEORGIA HANGERS AND SUPPORTS FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
3.4 PAINTING
A. Touchup: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately
after erecting hangers and supports. Use same materials as used for shop painting. Comply
with SSPC-PA 1 requirements for touching up field-painted surfaces.
1. Apply paint by brush or spray to provide minimum dry film thickness of 2.0 mils.
B. Touchup: Comply with requirements in Division 09 painting Sections for cleaning and touchup
painting of field welds, bolted connections, and abraded areas of shop paint on miscellaneous
metal.
C. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply
galvanizing-repair paint to comply with ASTM A 780.
212009.A0 260529 - 6
UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes raceways, fittings, boxes, enclosures, and cabinets for electrical wiring.
1.3 DEFINITIONS
1.4 SUBMITTALS
A. Product Data: For surface raceways, wireways and fittings, floor boxes, hinged-cover
enclosures, and cabinets.
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
212009.A0 260533 - 1
UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
PART 2 - PRODUCTS
4. Electri-Flex Co.
5. Manhattan/CDT/Cole-Flex.
F. Fittings for Conduit (Including all Types and Flexible and Liquidtight), EMT, and Cable:
NEMA FB 1; listed for type and size raceway with which used, and for application and
environment in which installed.
G. Joint Compound for Rigid Steel Conduit: Listed for use in cable connector assemblies, and
compounded for use to lubricate and protect threaded raceway joints from corrosion and
enhance their conductivity.
212009.A0 260533 - 2
UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
C. LFNC: UL 1660.
2. Hoffman.
B. Description: Sheet metal sized and shaped as indicated, NEMA 250, Type 1, unless otherwise
indicated.
C. Fittings and Accessories: Include couplings, offsets, elbows, expansion joints, adapters, hold-
down straps, end caps, and other fittings to match and mate with wireways as required for
complete system.
2. EGS/Appleton Electric.
212009.A0 260533 - 3
UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
4. Hoffman.
C. Cast-Metal Outlet and Device Boxes: NEMA FB 1, ferrous alloy, Type FD, with gasketed
cover.
1. For surface or recessed mounted receptacle, data and/or telephone boxes provide 4”
square by 2 1/8” deep box unless noted otherwise on the plans.
F. Cast-Metal Access, Pull, and Junction Boxes: NEMA FB 1, cast aluminum with gasketed
cover.
G. Hinged-Cover Enclosures: NEMA 250, Type 1, with continuous-hinge cover with flush latch,
unless otherwise indicated.
1. Metal Enclosures: Steel, finished inside and out with manufacturer's standard enamel.
PART 3 - EXECUTION
212009.A0 260533 - 4
UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
2. Exposed and Subject to Severe Physical Damage: Rigid steel conduit. Includes
raceways in the following locations:
a. Loading dock.
b. Corridors used for traffic of mechanized carts, forklifts, and pallet-handling units.
c. Mechanical rooms.
6. Boxes and Enclosures: NEMA 250, Type 1, except use NEMA 250, Type 4, stainless
steel in damp or wet locations.
D. Raceway Fittings: Compatible with raceways and suitable for use and location.
1. Rigid Steel Conduit: Use threaded rigid steel conduit fittings, unless otherwise indicated.
3.2 INSTALLATION
A. Comply with NECA 1 for installation requirements applicable to products specified in Part 2
except where requirements on Drawings or in this Article are stricter.
B. Keep raceways at least 6 inches away from parallel runs of flues and steam or hot-water pipes.
Install horizontal raceway runs above water and steam piping.
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UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
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D. Support raceways as specified in Division 26 Section "Hangers and Supports for Electrical
Systems."
E. Arrange stub-ups so curved portions of bends are not visible above the finished slab.
F. Install no more than the equivalent of three 90-degree bends in any conduit run except for
communications conduits, for which fewer bends are allowed.
G. Conceal conduit and EMT within finished walls, ceilings, and floors, unless otherwise
indicated.
I. Threaded Conduit Joints, Exposed to Wet, Damp, Corrosive, or Outdoor Conditions: Apply
listed compound to threads of raceway and fittings before making up joints. Follow compound
manufacturer's written instructions.
K. Install pull wires in empty raceways. Use polypropylene or monofilament plastic line with not
less than 200-lb tensile strength. Leave at least 12 inches of slack at each end of pull wire.
L. Install raceway sealing fittings at suitable, approved, and accessible locations and fill them with
listed sealing compound. For concealed raceways, install each fitting in a flush steel box with a
blank cover plate having a finish similar to that of adjacent plates or surfaces. Install raceway
sealing fittings at the following points:
1. Where conduits pass from warm to cold locations, such as boundaries of refrigerated
spaces.
M. Flexible Conduit Connections: Use maximum of 72 inches of flexible conduit for recessed and
semi-recessed lighting fixtures, equipment subject to vibration, noise transmission, or
movement; and for transformers and motors.
2. Use LFMC in damp or wet locations not subject to severe physical damage.
1. Recessed locations.
2. Accessible locations.
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UNIVERSITY OF GEORGIA RACEWAY AND BOXES FOR
MAIN LIBRARY COOLING TOWER REPLACEMENT ELECTRICAL SYSTEMS
b. For pull boxes, larger sizes may be required to meet the NEC requirements for
number of conduits and orientation of conduits to the pull box.
P. All enclosures containing electrical devices shall be UL or third party labeled as an assembly
and shall display the appropriate label on the enclosure. This shall include HVAC control
enclosures whether manufactured for a specific purpose or fabricated in the field from UL or
third party listed materials and/or electrical devices. The electrical devices shall include, but are
not be limited to, the following:
1. Control relays
2. Control transformers
3. Fuses
4. Disconnect switches
6. Contactors
7. Terminal/barrier strips
3.3 PROTECTION
A. Provide final protection and maintain conditions that ensure coatings, finishes, and cabinets are
without damage or deterioration at time of Substantial Completion.
212009.A0 260533 - 7
UNIVERSITY OF GEORGIA IDENTIFICATION FOR ELECTRICAL SYSTEMS
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
1.3 SUBMITTALS
C. Samples: For each type of label and sign to illustrate size, colors, lettering style, mounting
provisions, and graphic features of identification products.
1.5 COORDINATION
A. Coordinate identification names, abbreviations, colors, and other features with requirements in
the Contract Documents, Shop Drawings, manufacturer's wiring diagrams, and the Operation
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR ELECTRICAL SYSTEMS
MAIN LIBRARY COOLING TOWER REPLACEMENT
and Maintenance Manual, and with those required by codes, standards, and 29 CFR 1910.145.
Use consistent designations throughout Project.
C. Coordinate installation of identifying devices with location of access panels and doors.
D. Install identifying devices before installing acoustical ceilings and similar concealment.
PART 2 - PRODUCTS
A. Comply with ANSI A13.1 for minimum size of letters for legend and for minimum length of
color field for each raceway and cable size.
C. Self-Adhesive Vinyl Labels: Preprinted, flexible label laminated with a clear, weather- and
chemical-resistant coating and matching wraparound adhesive tape for securing ends of legend
label.
D. Self-Adhesive Vinyl Tape: Colored, heavy duty, waterproof, fade resistant; 2 inches wide;
compounded for outdoor use.
A. Color-Coding Conductor Tape: Colored, self-adhesive vinyl tape not less than 3 mils thick by 1
to 2 inches wide.
B. Marker Tapes: Vinyl or vinyl-cloth, self-adhesive wraparound type, with circuit identification
legend machine printed by thermal transfer or equivalent process.
C. Warning label and sign shall include, but are not limited to, the following legends:
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UNIVERSITY OF GEORGIA IDENTIFICATION FOR ELECTRICAL SYSTEMS
MAIN LIBRARY COOLING TOWER REPLACEMENT
A. Self-Adhesive, Engraved, Laminated Acrylic or Melamine Label: Adhesive backed, with white
letters on a dark-gray background. Minimum letter height shall be 3/8 inch.
B. Engraved, Laminated Acrylic or Melamine Label: Punched or drilled for screw mounting.
Minimum letter height shall be 3/8 inch.
A. Cable Ties: Fungus-inert, self-extinguishing, 1-piece, self-locking, Type 6/6 nylon cable ties.
PART 3 - EXECUTION
3.1 APPLICATION
A. Accessible Raceways and Metal-Clad Cables, 600 V or Less, for Service, Feeder, and Branch
Circuits More Than 30 A: Identify with orange snap-around label.
B. Branch-Circuit Conductor Identification: Where there are conductors for more than three
branch circuits in same junction or pull box, use marker tape. Identify each ungrounded
conductor according to source and circuit number.
C. Cable Labels: Each branch circuit and each feeder shall be tagged in each panelboard gutter
and in all pull or junction boxes, wire trough, etc. Tags in panelboard gutters shall indicate
circuit. Tags in junction boxes and pull boxes shall indicate the circuit or feeder numbers and
212009.A0 260553 - 3
UNIVERSITY OF GEORGIA IDENTIFICATION FOR ELECTRICAL SYSTEMS
MAIN LIBRARY COOLING TOWER REPLACEMENT
its point of origin. Tags for branch circuits shall be printed cloth or vinyl plastic with self-stick
pressure adhesive.
D. Warning Labels for Indoor Cabinets, Boxes, and Enclosures for Power and Lighting: Comply
with 29 CFR 1910.145 and apply self-adhesive warning labels. Identify system voltage with
black letters on an orange background. Apply to exterior of door, cover, or other access.
E. Equipment Identification Labels: On each unit of equipment, install unique designation label
that is consistent with wiring diagrams, schedules, and Operation and Maintenance Manual.
Apply labels to disconnect switches and protection equipment, central or master units, control
panels, control stations, terminal cabinets, and racks of each system. Systems include power,
lighting, control, communication, signal, monitoring, and alarm systems unless equipment is
provided with its own identification.
1. Labeling Instructions:
c. Elevated Components: Increase sizes of labels and letters to those appropriate for
viewing from the floor.
2. Equipment to Be Labeled:
d. Motor-control centers.
e. Disconnect switches.
g. Motor starters.
h. Push-button stations.
i. Contactors.
212009.A0 260553 - 4
UNIVERSITY OF GEORGIA IDENTIFICATION FOR ELECTRICAL SYSTEMS
MAIN LIBRARY COOLING TOWER REPLACEMENT
3.2 INSTALLATION
B. Location: Install identification materials and devices at locations for most convenient viewing
without interference with operation and maintenance of equipment.
C. Apply identification devices to surfaces that require finish after completing finish work.
D. Self-Adhesive Identification Products: Clean surfaces before application, using materials and
methods recommended by manufacturer of identification device.
E. Attach nonadhesive signs and plastic labels with screws and auxiliary hardware appropriate to
the location and substrate.
F. Color-Coding for Phase and Voltage Level Identification, 600 V and Less: Use the colors listed
below for ungrounded service, feeder, and branch-circuit conductors.
1. Color shall be factory applied or, for sizes larger than No. 10 AWG if authorities having
jurisdiction permit, field applied.
a. Phase A: Black.
b. Phase B: Red.
c. Phase C: Blue.
d. Neutral: White
e. Ground: Green
a. Phase A: Brown.
b. Phase B: Orange.
c. Phase C: Yellow.
e. Ground: Green
G. Raceway Boxes: All outlet boxes, junction boxes and pull boxes shall have their covers and
exterior visible surfaces painted with colors to match the surface color scheme outlined in
212009.A0 260553 - 5
UNIVERSITY OF GEORGIA IDENTIFICATION FOR ELECTRICAL SYSTEMS
MAIN LIBRARY COOLING TOWER REPLACEMENT
section F Equipment Identification labels. This includes covers on boxes above lift-out and
other type accessible ceilings. For emergency circuits, paint one half of box green and other half
blue or black depending on voltage.
1. The Contractor shall blank-off the center portion of the cover plate with 2” wide tape
prior to painting. After painting with the tape removed, the circuit labeling shall be
indicated on the non-painted surface of the cover plate using permanent black marker.
H. Empty Conduit: All empty conduit runs and conduit with conductors for future use shall be
identified for use and shall indicate where they terminate. Identification shall be by tags with
string or wire attached to conduit or outlet.
212009.A0 260553 - 6
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes components and sections for existing GE 7700 Series motor-control
centers for use on ac circuits rated 600 V and less.
1.3 SUBMITTALS
A. Product Data: For each type of controller and each type of motor-control center. Include
dimensions and manufacturer's technical data on features, performance, electrical
characteristics, ratings, and finishes.
b. Nameplate legends.
2. Wiring Diagrams: Power, signal, and control wiring for class and type of motor-control
center. Differentiate between manufacturer-installed and field-installed wiring. Provide
schematic wiring diagram for each type of controller.
C. Coordination Drawings: Floor plans, drawn to scale, showing dimensioned layout, required
working clearances, and required area above and around motor-control centers where pipe and
212009.A0 262419 - 1
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
ducts are prohibited. Show motor-control center layout and relationships between electrical
components and adjacent structural and mechanical elements. Show support locations, type of
support, and weight on each support. Indicate field measurements.
D. Qualification Data: For firms and persons specified in “Quality Assurance” Article.
G. Operation and Maintenance Data: For motor-control centers, all installed devices, and
components to include in emergency, operation, and maintenance manuals. In addition to items
specified in Division 01 Section "Operation and Maintenance Data," include the following:
H. Load-Current and List of Settings of Adjustable Overload Relays: Compile after motors have
been installed and arrange to demonstrate that dip switch settings for motor running overload
protection suit actual motor to be protected.
A. Source Limitations: Obtain motor-control centers and controllers of a single type through one
source from a single manufacturer.
B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
D. Product Selection for Restricted Space: Drawings indicate maximum dimensions for motor-
control centers, including clearances between motor-control centers, and for adjacent surfaces
and other items. Comply with indicated maximum dimensions and clearances.
A. Deliver motor-control centers in shipping splits of lengths that can be moved past obstructions
in delivery path as indicated.
1. NEMA ICS 2.3, "Instructions for the Handling, Installation, Operation, and Maintenance
of Motor Control Centers Rated Not More Than 600 Volts."
212009.A0 262419 - 2
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
2. NECA 402, "Recommended Practice for Installing and Maintaining Motor Control
Centers."
C. Store motor-control centers indoors in clean, dry space with uniform temperature to prevent
condensation. Protect motor-control centers from exposure to dirt, fumes, water, corrosive
substances, and physical damage.
D. If stored in areas subjected to weather, cover motor-control centers to protect from weather, dirt,
dust, corrosive substances, and physical damage. Remove loose packing and flammable
materials from inside controllers; install electric heating of sufficient wattage to prevent
condensation.
1.6 WARRANTY
1. Notify Owner no fewer than seven days in advance of proposed interruption of electrical
service.
1.8 COORDINATION
A. Coordinate layout and installation of motor-control centers with other construction including
conduit, piping, equipment, and adjacent surfaces. Maintain required workspace clearances and
required clearances for equipment access doors and panels.
B. Coordinate size and location of concrete bases. Cast anchor-bolt inserts into bases. Concrete,
reinforcement, and formwork requirements are specified in Division 03 Section "Cast-in-Place
Concrete."
D. Coordinate features of motor-control centers, installed units, and accessory devices with pilot
devices and control circuits to which they connect.
212009.A0 262419 - 3
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
E. Coordinate features, accessories, and functions of each motor-control center, each controller,
and each installed unit with ratings and characteristics of supply circuit, motor, required control
sequence, and duty cycle of motor and load.
A. Furnish extra materials described below that match products installed and that are packaged
with protective covering for storage and identified with labels describing contents.
1. Spare Fuses: Furnish one spare for every six installed, but no fewer than one set of three
of each type and rating.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
2. Control wiring shall connect to control unit terminal blocks in or adjacent to each unit
and user field load wiring connects directly to the device adjacent to the vertical wireway.
3. Wiring Spaces: Wiring channel in each vertical section for vertical and horizontal wiring
to each unit compartment; supports to hold wiring in place.
212009.A0 262419 - 4
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
C. Short-Circuit Current Rating for Each Section: Equal to or greater than indicated available fault
current in symmetrical amperes at motor-control center location.
2.3 BUSES
E. Horizontal Bus Arrangement: Main phase, neutral and ground buses extended with same
capacity the entire length of motor-control center, with provision for future extension at both
ends by bolt holes and captive bus splice sections or equivalent.
B. Controller Units: Combination controller units of types and with features, ratings, and circuit
assignments indicated.
1. Install units up to and including Size 3 on drawout mountings with connectors that
automatically line up and connect with vertical-section buses while being racked into
their normal, energized positions.
2. Provide units with short-circuit current ratings equal to or greater than short-circuit
current rating of motor-control center section.
3. Equip units in Type B and Type C motor-control centers with pull-apart terminal strips or
drawout terminal boards for external control connections.
C. Overcurrent Protective Devices: Individual feeder-tap units through 225-A rating shall have
drawout mountings with connectors that automatically line up and connect with vertical-section
buses while being racked into their normal, energized positions.
212009.A0 262419 - 5
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
D. Spaces and Blank Units: Compartments fully bused and equipped with guide rails or
equivalent, ready for insertion of drawout units.
E. Spare Units: Type, sizes, and ratings indicated; installed in compartments indicated "spare."
A. Magnetic Controller: NEMA ICS 2, Class A, full voltage, nonreversing, across the line, unless
otherwise indicated.
1. Control Circuit: 120 V; obtained from integral control power transformer with a control
power transformer of sufficient capacity to operate connected pilot, indicating and control
devices, plus 100 percent spare capacity.
2. Adjustable Overload Relay: Dip switch selectable for motor running overload protection
with NEMA ICS 2, Class 20 tripping characteristic, and selected to protect motor against
voltage and current unbalance and single phasing. Provide relay with Class II ground-
fault protection, with start and run delays to prevent nuisance trip on starting.
A. Molded-Case Circuit-Breaker Features and Accessories: Standard frame sizes, trip ratings, and
number of poles.
1. Lugs: Mechanical style, suitable for number, size, trip ratings, and material of
conductors.
2. Application Listing: Appropriate for application; Type SWD for switching fluorescent
lighting loads; Type HACR for heating, air-conditioning, and refrigerating equipment.
2.7 ACCESSORIES
B. Push-Button Stations, Pilot Lights, and Selector Switches: NEMA ICS 2, heavy-duty type.
b. One push-to-test red running indicator light. Low voltage transformer type.
c. One push-to-test green safe indicator light. Low voltage transformer type.
2. Refer to control drawings and/or control sequence descriptions for connections and
interlocks.
C. Auxiliary Contacts.
212009.A0 262419 - 6
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
1. Two normally open (N.O.) and two normally closed (N.C.) contacts on controller for
remote running indication.
2. One normally open (N.O.) and one normally closed (N.C.) contacts on overload relay for
remote trip indication.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine areas and surfaces to receive motor-control centers for compliance with requirements,
installation tolerances, and other conditions affecting performance.
1. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 APPLICATIONS
A. Select features of each controller to coordinate with ratings and characteristics of supply circuit
and motor; required control sequence; duty cycle of motor, controller, and load; and
configuration of pilot device and control circuit affecting controller functions.
3.3 INSTALLATION
A. See Division 26 Section “Basic Electrical Materials and Methods” for general installation
instructions.
B. Anchor each motor-control center assembly to steel-channel sills arranged and sized according
to manufacturer's written instructions. Attach by bolting. Level and grout sills flush with
motor-control center mounting surface.
C. Install motor-control centers on concrete bases complying with Division 3 Section “Cast-in-
Place Concrete.”
D. Controller Fuses: Install fuses in each fusible switch. Comply with requirements in Division 26
Section "Fuses."
E. Install Push Button Stations, Push-To-Test-Pilot Lights, and Selector Switches integral with
individual starter compartment doors.
212009.A0 262419 - 7
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
A. Coordinate size and location of concrete bases. Verify structural requirements with structural
engineer.
3.5 IDENTIFICATION
A. Identify motor-control center, motor-control center components, and control wiring according to
Division 26 Section "Identification for Electrical Systems."
3.6 CONNECTIONS
1. Test insulation resistance for each motor-control center element, bus, component,
connecting supply, feeder, and control circuit.
C. Perform the following field tests and inspections and prepare test reports:
1. Perform each electrical test and visual and mechanical inspection, except for optional
tests, stated in NETA ATS "Motor Control Centers." Sections 7.5, 7.6 and 7.16. Certify
compliance with test parameters.
3.8 ADJUSTING
212009.A0 262419 - 8
UNIVERSITY OF GEORGIA MOTOR-CONTROL CENTERS
MAIN LIBRARY COOLING TOWER REPLACEMENT
3.9 CLEANING
A. Verify that motor-control centers and components are installed and connected according to the
Contract Documents.
B. Verify that electrical wiring installation complies with manufacturer’s submittal and installation
requirements in Division 16 Sections.
212009.A0 262419 - 9
UNIVERSITY OF GEORGIA FUSES
MAIN LIBRARY COOLING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section Includes:
1. Cartridge fuses rated 600-V ac and less for use in control circuits, enclosed switches,
enclosed controllers and motor-control centers.
1.3 SUBMITTALS
A. Product Data: For each type of product indicated. Include construction details, material,
dimensions, descriptions of individual components, and finishes for spare-fuse cabinets. Include
the following for each fuse type indicated:
a. For each fuse having adjusted ratings, include location of fuse, original fuse rating,
local ambient temperature, and adjusted fuse rating.
B. Operation and Maintenance Data: For fuses to include in emergency, operation, and
maintenance manuals. In addition to items specified in Division 01 Section "Operation and
Maintenance Data," include the following:
212009.A0 262813 - 1
UNIVERSITY OF GEORGIA FUSES
MAIN LIBRARY COOLING TOWER REPLACEMENT
A. Source Limitations: Obtain fuses, for use within a specific product or circuit, from single
source from single manufacturer.
B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
by a qualified testing agency, and marked for intended location and application.
A. Where ambient temperature to which fuses are directly exposed is less than 40 deg F or more
than 100 deg F, apply manufacturer's ambient temperature adjustment factors to fuse ratings.
1.6 COORDINATION
A. Coordinate fuse ratings with utilization equipment nameplate limitations of maximum fuse size
and with system short-circuit current levels.
A. Furnish extra materials that match products installed and that are packaged with protective
covering for storage and identified with labels describing contents.
1. Fuses: Equal to 10 percent of quantity installed for each size and type, but no fewer than
two of each size and type.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
212009.A0 262813 - 2
UNIVERSITY OF GEORGIA FUSES
MAIN LIBRARY COOLING TOWER REPLACEMENT
4. Littelfuse, Inc.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine fuses before installation. Reject fuses that are moisture damaged or physically
damaged.
B. Examine holders to receive fuses for compliance with installation tolerances and other
conditions affecting performance, such as rejection features.
C. Examine utilization equipment nameplates and installation instructions. Install fuses of sizes
and with characteristics appropriate for each piece of equipment.
D. Evaluate ambient temperatures to determine if fuse rating adjustment factors must be applied to
fuse ratings.
E. Proceed with installation only after unsatisfactory conditions have been corrected.
A. Cartridge Fuses:
3.3 INSTALLATION
A. Install fuses in fusible devices. Arrange fuses so rating information is readable without
removing fuse.
3.4 IDENTIFICATION
A. Install labels complying with requirements for identification specified in Division 26 Section
"Identification for Electrical Systems" and indicating fuse replacement information on inside
door of each fused switch and adjacent to each fuse block, socket, and holder.
212009.A0 262813 - 3
UNIVERSITY OF GEORGIA ENCLOSED SWITCHES AND CIRCUIT BREAKERS
MAIN LIBRARY COO0LING TOWER REPLACEMENT
PART 1 - GENERAL
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and other Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
1. Nonfusible switches.
2. Enclosures.
1.3 DEFINITIONS
1.4 SUBMITTALS
A. Product Data: For each type of enclosed switch, circuit breaker, accessory, and component
indicated. Include dimensioned elevations, sections, weights, and manufacturers' technical data
on features, performance, electrical characteristics, ratings, and finishes.
1. Enclosure types and details for types other than NEMA 250, Type 1.
212009.A0 262816 - 1
UNIVERSITY OF GEORGIA ENCLOSED SWITCHES AND CIRCUIT BREAKERS
MAIN LIBRARY COO0LING TOWER REPLACEMENT
3. Results of failed tests and corrective action taken to achieve test results that comply with
requirements.
E. Operation and Maintenance Data: For enclosed switches and circuit breakers to include in
emergency, operation, and maintenance manuals. In addition to items specified in Division 01
Section "Operation and Maintenance Data," include the following:
1. Manufacturer's written instructions for testing and adjusting enclosed switches and circuit
breakers.
2. Time-current curves, including selectable ranges for each type of circuit breaker.
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
C. Product Selection for Restricted Space: Drawings indicate maximum dimensions for enclosed
switches and circuit breakers, including clearances between enclosures, and adjacent surfaces
and other items. Comply with indicated maximum dimensions.
A. Environmental Limitations: Rate equipment for continuous operation under the following
conditions, unless otherwise indicated:
1. Ambient Temperature: Not less than minus 22 deg F and not exceeding 104 deg F.
1.7 COORDINATION
A. Coordinate layout and installation of switches, and components with other construction,
including conduit, piping, equipment, and adjacent surfaces. Maintain required workspace
clearances and required clearances for equipment access doors and panels.
212009.A0 262816 - 2
UNIVERSITY OF GEORGIA ENCLOSED SWITCHES AND CIRCUIT BREAKERS
MAIN LIBRARY COO0LING TOWER REPLACEMENT
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. In other Part 2 articles where titles below introduce lists, the following requirements apply to
product selection:
A. Manufacturers:
B. Nonfusible Switch, 600 A and Smaller: NEMA KS 1, Type HD, lockable handle with
capability to accept two padlocks, and interlocked with cover in closed position.
C. Accessories:
1. Equipment Ground Kit: Internally mounted and labeled for copper and aluminum ground
conductors.
2.3 ENCLOSURES
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine elements and surfaces to receive enclosed switches and circuit breakers for compliance
with installation tolerances and other conditions affecting performance.
212009.A0 262816 - 3
UNIVERSITY OF GEORGIA ENCLOSED SWITCHES AND CIRCUIT BREAKERS
MAIN LIBRARY COO0LING TOWER REPLACEMENT
B. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 INSTALLATION
A. Comply with applicable portions of NECA 1, NEMA PB 1.1, and NEMA PB 2.1 for installation
of enclosed switches.
B. Mount individual wall-mounted switches with tops at uniform height, unless otherwise
indicated. Anchor floor-mounted switches to concrete base.
3.3 IDENTIFICATION
4. Test insulation resistance for each enclosed switch, circuit breaker, component, and
control circuit.
B. Perform the following field tests and inspections and prepare test reports:
3.5 CLEANING
A. On completion of installation, vacuum dirt and debris from interiors; do not use compressed air
to assist in cleaning.
212009.A0 262816 - 4
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P. O. Box 871, Braselton, Georgia 30517
Prepared For:
BCP Environmental, LLC has completed this report concerning the limited asbestos survey for the above
referenced site. We understand this survey was requested due to planned replacement of the main chiller,
chiller piping, chiller pumps and cooling tower. Friable and Category I non-friable asbestos-containing materials
(ACM) were identified in regard to the scope of work. Please see attached report for details.
We appreciate the opportunity to be of service to you on this project. If you have any questions about
information in this report, or if I can be of further assistance, please feel free to contact me.
Sincerely,
BCP Environmental, LLC
Brad Pickerel
Brad Pickerel
Project Industrial Hygienist
Introduction:
This report presents the results of the limited asbestos survey for the above referenced site. The project
lead (Physical Plant Division - Work Management) was Mr. Chris Daigle. An interview with Mr. Daigle
was conducted to identify the scope of work. This inspection was performed by Mr. Greg Kilgore, an
AHERA (Asbestos Hazard Emergency Response Act) certified asbestos building inspector. BCP
Environmental, LLC conducted this inspection on April 18, 2012.
Purpose:
The purpose of this survey was to identify and locate asbestos-containing materials (ACM) in regard to
replacement of the main chiller, chiller piping, chiller pumps in the Sub-Basement Mechanical Room and
Rooftop Cooling Tower at UGA – Main Library. The suspect asbestos-containing materials (ACM) were:
• Silver Foam Insulation Coating / Chilled Water Pipe (CWP) in Sub-Basement Mech. Rm.
• Foam Insulation Adhesive / CWP in Sub-Basement mech. Rm.
• 4” Pipe Wrap Insulation (Cooling Tower)
• 8” Pipe Wrap Insulation (Cooling Tower)
• Cooling Tower Top Panel Caulk
• Cooling Tower Mastic on Structural Base Support
• Cooling Tower Mastic on Structural Support Pedestal
• Cooling Tower 8” Pipe Insulation
• Cooling Tower 12” Pipe Insulation
No other suspect ACM was observed in the scope of work target area. Asbestos-containing pipe insulation
may be present in mechanical rooms that are not associated with the chiller and associated piping.
This inspection was conducted in general accordance with EPA AHERA guidelines and will satisfy the
Georgia Environmental Protection Division (GAEPD) requirements for pre-renovation and pre-demolition
inspections.
Survey Protocol:
1. During the inspection, the various building construction materials were categorized into
“homogeneous areas” based upon material types, approximate dates of construction, building
system/function and appearance.
2. Interviewed Mr. Chris Daigle to elicit information regarding the asbestos survey.
3. Mechanical floor plan was available for review (see attached drawing in appendix).
5. Bulk sampling was conducted in accordance with the procedures outlined in AHERA (40 CFR
763.86 Sampling). These procedures required a random sampling method, which was used to
select sampling locations from each homogeneous sampling area. A homogeneous area is defined
as an area of surfacing, TSI or miscellaneous material that is uniform in color and texture.
6. The bulk samples were wetted to minimize the release of fibers into the air, sealed within a sample
baggie and labeled with an identification number. Bulk sample locations were recorded on field
drawings.
All bulk samples were analyzed by Polarized Light Microscopy (PLM). The Chain-of-Custody form and
asbestos bulk analysis results are attached. The bulk samples were analyzed by an independent accredited
laboratory. SAI is accredited by the National Institute of Standards and Technology (NIST) National
Voluntary Accreditation Program (NVLAP) for laboratories analyzing bulk materials by PLM.
Ten (10) bulk samples were collected from suspect ACM in regard to the main chiller, chiller piping,
chiller pump piping in Main sub-Basement Mechanical Room and Rooftop Cooling Tower. Any material
containing 1% or more asbestos is considered asbestos-containing material (ACM). The following material
in the table below tested positive for ACM:
Friable asbestos was detected in both 12” TSI pipes located on the rooftop cooling tower where the two
pipes exit the brick building toward the cooling tower for approximately 15 linear feet for each pipe. The
pipe insulation then changes to non-ACM fiberglass type TSI on piping to the remaining cooler tower. See
photos for description in appendix and bulk sampling drawing for location of ACM pipe TSI.
All gray colored mastic on the cooling tower structural support pedestals are considered ACM throughout.
Category I Non-Friable ACM Insulation on Silver Coated Pipes in Sub-Basement Mechanical Room:
All chilled water silver colored pipe insulation is ACM throughout Sub-Basement Mechanical Room.
All other bulk samples tested negative for the presence of ACM.
General Comments:
The UGA Asbestos “Blue Book” was used to find additional bulk sampling results and possible past
abatement in the target areas. This survey was conducted with the best information available at the time.
Any changes to the scope of work may involve disturbance of unidentified asbestos-containing materials.
Hidden ACM may still be present behind structures. All such unidentified materials should be treated as
Presumed Asbestos Containing Materials (PACM). The PACM should be sampled to confirm the presence
of asbestos prior to the demolition activities. Subcontractors and employees working within the target area
at the site should be aware of the possibility of concealed suspect ACM that could be found during
renovation/demolition activities.
Acknowledgement:
BCP Environmental, LLC appreciates the opportunity to work with you on this project and if you have any
questions, please contact me @ (770) 841-7090.
Sincerely,
Brad Pickerel
Brad Pickerel
Project Industrial Hygienist
Bulk Asbestos Analysis
By Polarized Light Microscopy
EPA Method: 600/R-93/116 and 600/M4-82-020
Customer: BCP Environmental Attn: Brad Pickerel Lab Order ID: 1206722
PO Box 871 Analysis ID: 1206722PLM
Braselton, GA 30517
Date Received: 4/20/2012
1206722PLM_1 Dissolved
1206722PLM_2 Dissolved
Pipe Wrap / 4" Pipe 10% Fiber Glass 90% Other White
ML-CT-03 Non Fibrous
None Detected Heterogeneous
1206722PLM_3 Dissolved
Pipe Wrap / 8" Pipe 10% Fiber Glass 90% Other White
ML-CT-04 Non Fibrous
None Detected Heterogeneous
1206722PLM_4 Dissolved
1206722PLM_5 Dissolved
Pipe Insulation / 12" Pipe 35% Mineral Wool 60% Other Gray
ML-CT-06 5% Chrysotile Fibrous
Heterogeneous
1206722PLM_6 Crushed
1206722PLM_7 Crushed
1206722PLM_8 Dissolved
Disclaimer: Due to the nature of the EPA 600 method, asbestos may not be detected in samples containing low levels of asbestos. We strongly recommended that analysis of floor tiles, vermiculite, and/or
heterogeneous soil samples be conducted by TEM for confirmation of “None Detected” by PLM. This report relates only to the samples tested and may not be reproduced, except in full, without the
written approval of SAI. This report may not be used by the client to claim product endorsement by NVLAP or any other agency of the U.S. government. Estimated MDL is 0.1%.
Customer: BCP Environmental Attn: Brad Pickerel Lab Order ID: 1206722
PO Box 871 Analysis ID: 1206722PLM
Braselton, GA 30517
Date Received: 4/20/2012
1206722PLM_9 Dissolved
1206722PLM_10 Dissolved
Disclaimer: Due to the nature of the EPA 600 method, asbestos may not be detected in samples containing low levels of asbestos. We strongly recommended that analysis of floor tiles, vermiculite, and/or
heterogeneous soil samples be conducted by TEM for confirmation of “None Detected” by PLM. This report relates only to the samples tested and may not be reproduced, except in full, without the
written approval of SAI. This report may not be used by the client to claim product endorsement by NVLAP or any other agency of the U.S. government. Estimated MDL is 0.1%.
ML-SBMR-CW2
Sub-Basement
Mechanical Room
Foam Insulation
Adhesive on Chilled
Water Pipe
ML-SBMR-CW1
Sub-Basement
Mechanical Room
Silver Coating on ML-CT-07
Foam Insulation on Rooftop Cooling
Chilled Water Pipe Tower
Caulk (Base Support)
ML-CT-08
Rooftop Cooling Tower
Mastic (Support Pedestal)
ML-CT-03
ML-CT-09 Rooftop Cooling
Rooftop Cooling Tower
Tower Pipe Wrap (4” Pipe)
Pipe Elbow Wrap
(8” Pipe)
ML-CT-06
Rooftop Cooling Tower
Pipe Insulation
(12” Pipe)
ML-CT-04
Rooftop Cooling
Tower
ML-CT-10 Pipe Wrap (8” Pipe)
Rooftop Cooling Tower
Pipe Wrap Lining
(12” Pipe)
ML-CT-05
Rooftop Cooling
Tower
Caulk (Top Panel)
Photo 4: View of ACM mastic on support pedestals for cooling tower structural steel framing
Photo 5: Close-up view of ACM pedestal mastic on cooling tower
Photo 6: Friable ACM on both 12” TSI pipes from brick building toward cooling tower
Photo 7: Close-up view of friable ACM 12” TSI pipes atop roof in cooler tower area
Photo 8: Both 12” ACM Pipes from brick wall turn into non-ACM fiberglass pipe TSI to cooling tower