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2. Provide incidental galvanized steel clip anchors.
C. Seal Compound: At "poke-through" openings, apply "Firecode" seal compound
as manufactured by USG Interiors, Inc., or approved equal, over Thermafiber fire
safing.
D. Preparation
1. At all fire rated assemblies, prepare all penetrations for pipes.
E. Application
1. Install approved fire safing insulation of proper size leaving no voids.
Compress and friction fit fire safing and use attachment clips where
necessary.
2. Seal completely around all openings and over the fire safing insulation
with sealing compound.
END OF SECTION 16100
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3.06 TESTING
A. Balancing Loads:
1. Circuits shall be connected to the panelboards so that the total load is
distributed equally between each line and neutral to within ten percent.
Branch circuits shall be balanced on their own panelboards, and feeder loads
balanced
on the main distribution panel. Reasonable load testing shall be arranged for
verification if requested by the Public Works Department.
B. Transformer Quality Control
1. Inspect and test in accordance with NETA ATS,except Section 4.
2. Perform inspections and tests listed in NETA ATS, Section 7.2. Include the
following optional tests:
a. Power factor or dissipation-factor tests.
b. Winding-resistance tests for each winding at [nominal] [final] tap
setting.
C. Individual excitation current tests on each phase.
d. Insulating liquid specific gravity, power factor, water content,
dissolved gas, and total combustible gas.
3.07 FIRE SAFING
A. Work Included: Provide labor, materials, and equipment necessary to complete
the work including,but not limited to the following:
1. Fire safing at all penetrations through fire barriers.
2. Fire safing at all penetrations through smoke barriers.
3. Extent of fire and smoke barriers as indicated on the Architectural
Drawings.
4. Fire safing at all penetrations through floors, shafts, corridor walls,
stairway walls, mechanical rooms, electrical rooms, vaults, storage rooms,
kitchen, machine rooms, outdoor storage rooms, and receiving rooms.
B. Safing Insulation
1. Fire safing insulation shall be Thermafiber as manufactured by USG
Interiors, Inc. or Architect-Engineer approved equal, 4" minimum
thickness by the required full length and width, or as indicated on the
Drawings.
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junction boxes shall be double locknut and bushing, using insulated bushings on
conduit 1-1/4" or larger. Grounding bushings shall be provided at all panel
connections.
D. Conduit connections to motor frames shall have minimum of 18" of flexible steel
conduit to eliminate vibrations and noise being transferred to other parts of the
building, with cable jumper across greenfield and fittings. This flexible conduit
shall also be installed at ceiling mounted lighting fixtures to facilitate alignment of
fixtures.
3.04 OUTLET AND JUNCTION BOXES
A. Receptacle boxes, unless otherwise noted, shall be approximately 18" above
finished floor, aligned above or below closest block course, except at locations
where wall mounted equipment precludes this mounting height. At such locations,
receptacle height shall be as directed by the Architect. Switch outlets shall be 48"
above finished floor, unless aligned above or below closest block course. The
Electrical Contractor shall check with the Architectural and Structural Plans for
interferences.
B. Junction and outlet boxes, where exposed to the weather and wet locations, shall be
of the threaded hub type and provided with watertight screw-on cover and gasket.
C. Pull boxes shall be adequate size to accommodate the conductors installed therein
without excessive bending of the conductors, which would damage the conductor
insulation.
D. All outlet boxes installed in masonry shall be so set that their outer edges are 1/4"
back of finished surface.
E. Outlet boxes shall not be supported by the conduit. Suitable means shall be
provided to support the outlet box to take the weight of the fixture.
F. Fixture outlet boxes used as junction boxes or outlets not used, shall be provided
with covers.
3.05 EQUIPMENT INSTALLATION
A. All equipment furnished under this Section shall be installed in accordance with its
manufacturer's printed installation instructions, whether so shown on the Drawings
or not, and all labor and materials required to accomplish this shall be furnished by
the Electrical Contractor and be included in his bid.
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runs of feeders, mains, and branches are not necessarily to be made exactly as
shown on the plans. The exact locations of such work shall be determined after full
consideration has been given to work of other trades and without changes in the
design of the systems. The entire installation shall conform to the latest issue of the
Massachusetts Electrical Code and local inspection authorities.
E. Electrical equipment, such as junction and pull boxes, control, and apparatus, shall
be made accessible.
F. All wiring shall be concealed in finished spaces, except as otherwise specified.
3.02 GROUNDING
A. Except where specifically indicated otherwise, all exposed non-current carrying
metallic parts of electrical equipment, metallic raceway systems, grounding
conductor in non-metallic raceways and neutral conductor of the wiring system shall
be grounded. The ground connection shall be made at the main service equipment.
B. The Electrical Contractor shall furnish and install all material required for the
grounding and/or bonding in the building of all equipment, power and lighting
systems installed under this Contract.
C. The Electrical Contractor shall make tight and proper all metallic components and
equipment to one another and to ground, using a positive foolproof system of
connections. Provide and install bonding and grounding conductors with approved
termination where required, conforming with the latest Massachusetts Electrical
Code and other applicable specification standards.
D. A#12 AWG insulated equipment ground conductor shall be installed in each length
of flexible metallic conduit connection to motors, recessed lighting fixtures and
other equipment components for continuity. Positive ground connections with the
ground wire shall be made at each outlet box, lighting fixture, motor and other
equipment components by means of positively secured ground clamp in each.
3.03 CONDUIT AND FITTINGS
A. All conduit shall be installed so as to provide the straightest possible run with not
more than the equivalent of three 90° bends in a single run. Where more bends are
necessary, the Electrical Contractor shall provide suitable pull boxes.
B. Conduit shall be fished and cleaned and dry before pulling wires and shall be
suitably protected against entrance of dirt and moisture during construction.
C. Ends of all conduits shall be reamed and all joints made waterproof. Connections to
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2.06 WRUNG DEVICES
A. The Electrical Contractor shall install devices where shown on the plans. Where
two or more devices occur at one location, they shall be provided with a gang plate.
All unused boxes to be furnished with blank plates.
1. Duplex Receptacles - 20 amp, 125 volt with grounding screw, side and back
wired. To be Leviton Cat. No. 53521, or equal.
2. Ground fault interrupting receptacles shall be Leviton Cat. No. 6898HGI, or
equal.
3. Weatherproof cover for receptacles shall be lockable, vertical, UL Listed,
with Lexan base and lid, 4 screw attachment, Tay Mac Cat. No. 20350, or
equal.
4. Light Switches, Single Pole - 20 amp, 120/277 volt, back and side wired,
Leviton Cat. No. 12212, or equal.
5. Power receptacles shall be flush type, of NEMA configuration shown, with
matching cord and cap, Leviton, or equal.
6. Carbon Monoxide detectors shall be Macurco CM-15A SPDT alarm relay
for F/A system interconnection and visual and audiable alarm.
7. Wall plates shall be smooth Type 302 satin finish stainless steel with
matching screws.
B. Receptacle devices installed and existing at the building shall be identified as to it
panel and circuit number. The electrical contactor shall install 3/8" labeled tape on
the cover plate of each receptacle outlet identifying it's origin. Tape shall be equal
to BrotherUSA (Ptouch) Extra Strength Laminated tape. The color shall be clear,
or white, with black lettering.
PART 3 -INSTALLATION
3.01 GENERAL INSTALLATION REQUIREMENTS
A. The Electrical Contractor shall endeavor to layout and perform his work in such a
manner as to cause no delay in the construction by other trades.
B. The Electrical Contractor shall verify all measurements and shall be responsible for
the correctness of same. No allowance will be made for differences between actual
measurements and those shown on plans.
C. If, in laying out his work, the Electrical Contractor finds that the work of other
trades might interfere with his,the Architect shall be notified.
D. The locations of outlets, apparatus, and equipment are approximate only and the
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G. Wire and Cable to be by Cerro, Southwire, Triangle/PWC, or equal.
2.04 OUTLET AND JUNCTION BOXES
A. Outlet boxes and covers shall be galvanized or sheradized pressed steel unless
otherwise noted or required by the Massachusetts Electrical Code, and shall be as
required for their use.
B. Junction and outlet boxes, where exposed to weather and wet locations shall be of
the cast aluminum, threaded hub type and provided with watertight screw-on cover
and gasket.
C. Outlet boxes shall be of sizes and types to accommodate:
1. structural conditions.
2. size and number of raceways and conductors or cables entering.
3. device of fixture for which required.
D. Boxes occurring at plastered surfaces shall have a suitable plaster ring installed.
E. Where multiple devices are located at one point, gang type boxes shall be used.
F. Pull and junction boxes, whether surface or flush, shall be galvanized code gauge.
G. Pull boxes and wireways shall be standard NEMA-1 enclosures with cover plates
and screws,bonderized paint finished.
H. Pull and splice boxes not indicated on the Drawings shall be provided as required by
the Massachusetts Electrical Codes.
I. Outlet boxes and covers shall be as manufactured by Steel City electrical Company,
General Electric Company, Raco, or approved equal.
2.05 NAMEPLATES AND LABELS
A. Furnish and install nameplates identifying all apparatus, controls, panels and safety
switches. The nameplates shall be Seton style 2060 engraved plastic, or equal,
screw attached. Submit schedule of nameplate lettering for approval.
B. Each receptacle and outlet device shall be labeled to identity source panel and circuit
number. Identification label shall be provided on both the device and the cover
plate.
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floor. Conduit shall comply with the latest applicable Federal Specifications.
B. Electrical metallic tubing may be used for all raceways run in walls or partitions,
run exposed inside unfinished and spaces of the building, or run concealed in or
above furred spaces unless otherwise specified. Electrical metallic tubing shall
comply with the latest applicable requirements of the National Electrical
Manufacturers Association.
Couplings, connectors, and fittings for electrical metallic tubing shall be of steel
construction, set screw type.
C. Flexible Steel Conduit shall be used for final connections to motors or other
removable equipment to facilitate removal and connections.
2.02 WIREWAYS
A. Wireways shall be made to accommodate conductors as required in accordance with
applicable rules of the Massachusetts Electrical Code. To be of code gauge steel
and supported as required by Code. Wireways shall be furnished and installed
complete with the necessary complement of fittings, connectors, and accessory
parts. Wireways shall be of the "lay-in" type with standard knockouts and with
screw covers for full channel access. All sheet metal parts shall be coated with a
rust inhibitor and finished in grey baked enamel. All hardware shall be plated to
prevent corrosion.
2.03 CONDUCTORS
A. Conductors shall be 98% conductivity copper, with 600 volt insulation, and shall be
of types indicated below unless otherwise shown on the plans. Aluminum
conductors shall not be used.
B. Conductors#10 AWG and smaller, Type THHN/THWN, solid.
C. Conductors#4 AWG through#8 AWG,Type THHN/THWN, stranded.
D. Conductors#3 AWG and larger, Type XHHW, stranded.
E. Branch circuit wiring located above lay in tile ceilings or fished in stud partitions
and ceilings may be Type MC cable; multi-circuit home runs shall be raceway and
wire as specified.
F. Wire and cable for special systems shall be as specified in those specification
sections.
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caused by replacement or repairs to the entire satisfaction of the Architect.
C. Any part of the work installed under this Contract requiring excessive maintenance
shall be considered as being defective.
1.17 CUTTING AND PATCHING
A. Cutting and/or drilling of all openings and holes required for the installation of
electrical apparatus in the building, shall be performed by the General Contractor.
All work and materials shall be installed in such a manner and at such time to keep
cutting and patching to a minimum. Cutting and/or drilling of structural supports
(ie. beams or joists) is not allowed without written approval by the Architect.
Location for openings, etc. shall be checked by the Electrical Contractor, and error
due to failure to co-ordinate work with other divisions shall be the responsibility of
the Electrical Contractor failing to co-ordinate, who shall make the corrections at his
own expense.
B. Work shall include furnishing and locating sleeves or inserts required before the
new walls are built, or be responsible for the cost of cutting and patching required
for conduit and equipment where sleeves were not installed or where incorrectly
located. The Electrical Contractor shall do all drilling required for the installation of
hangers.
C. Patching of all holes, after installation of piping or equipment, shall be performed by
the General Contractor or appropriate tradesmen.
D. All pipe cutting or threading shall be done in a location approved by the Owner.
E. No pipe cutting or threading shall be done in areas where completed concrete floor
slab is to remain in finishes or be painted later. Should this area be necessary, the
Electrical Contractor shall cover the entire working area with canvas tarpaulins in an
approved manner.
1.18 RECORD DRAWINGS
A. Submit Record Drawings as specified in Division 1.
PART 2—MATERIALS
2.01 RACEWAYS
A. Rigid galvanized steel or intermediate steel conduit shall be used for all raceway
runs concealed in concrete, run in trenches or pits, and exposed below 6' above
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B. Exposed runs shall be run straight and level, parallel or perpendicular to the lines of
the building.
1.15 OPERATING INSTRUCTIONS
A. After all final tests and adjustments have been completed, fully instruct the proper
Owner's representative in all details of operation for equipment installed. Supply
qualified personnel to operate equipment for sufficient length of time to assure that
Owner's representative is properly qualified to take over operation and maintenance
procedures.
B. Furnish the Architect, for his approval, three (3) copies of an Operation and
Maintenance Manual. Inscribe the following identification on the cover: the words,
"Operation and Maintenance Manual", the name and location of the equipment or
the building, the name of the Contractor, and the Contract number. The manual
shall have a Table of Contents with tab sheets placed before each Section. The
instructions shall be legible and easily read, with large sheets of Drawings folded in.
The manuals shall be bound in hard binders or an approved equivalent.
C. The manual shall include the following information:
1 Description of systems.
2. Description of start up, operation, and shutdown procedures for each item of
equipment.
3. Schedule of adjustment, care, and routine maintenance for each item of
equipment.
4. Wiring and control diagrams with data to explain detailed operation and
control of each item of equipment.
5. Panel schedules
6. List of recommended spare parts.
7. Copies of all service contracts.
8. List of all names, addresses, and phone numbers of all Contractors as well as
the local representative for each item of equipment.
1.16 GUARANTEE
A. The Electrical Contractor shall guarantee the satisfactory operation of his work in
all parts for a period of one (1) year after date of final acceptance, and shall agree
to promptly repair or replace any items of his work which are found to be
defective during this period.
B. The Electrical Contractor shall pay for repair of damage to the building caused by
defects in his work and for repair to plaster, wood, and other materials or equipment
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A. The Electrical Contractor shall refer to the Architectural Drawings of interior
details, plans, elevations, and structural layout in preparing his estimate. These
documents are intended to supplement the Mechanical and Electrical Plans and
Specifications and any applicable work indicated or implied thereon is to be
considered a part of the Contract requirements.
B. The Specifications are complementary and anything called for, or reasonably
implied, in the Plans and not in the Specifications, or vice versa, shall be considered
as called for or reasonably implied in both.
C. The Electrical Contractor shall not scale the Drawings.
D. Because of the small scale of the Drawings, it is not possible to indicate all offsets,
fittings and accessories that may be required. The Electrical Contractor shall
carefully investigate the structural and finish conditions affecting all his work and
shall arrange such work accordingly, furnishing such accessories as may be required
to meet such conditions, at no additional cost.
1.12 PRODUCT HANDLING
A. The Electrical Contractor shall provide for the delivery of all his materials and
fixtures to the building site when required, so as to carry on his work efficiently and
to avoid delaying his work and that of other trades.
1.13 ENVIRONMENTAL CONDITIONS
A. All necessary tools machinery, scaffolding, and transportation for completion of his
Contract shall be provided by the individual Contractor.
B. The Electrical Contractor shall provide his own portable extension lines and obtain
120 volt, 60 cycle, single phase electric energy from the General Contractor to drive
his machines and light his work. He shall provide his own light bulbs, plugs,
sockets, etc.
C. All broken or waste material, rags, packing, etc., resulting from his work shall be
removed by the individual Contractor.
1.14 WORK CONCEALED
A. All piping, duct work, cable, and raceway shall be installed concealed in all areas
except storage rooms,closets,and mechanical or electrical equipment rooms.
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Drawings, giving all details, dimensions, capacities, etc. of all materials to be
furnished.
B. The Electrical Contractor shall check the Shop Drawings thoroughly for compliance
with the Plans and Specifications before submitting them to the Architect for
review, making any and all changes which may be required.
C. The review of Shop Drawings by the Architect shall not relieve the Electrical
Contractor from any obligation to perform the work strictly in accordance with the
Contract Drawings and Specifications. The responsibility for errors in Shop
Drawings shall remain with the Contractor.
D. In the event that materials are being delivered to or installed on the job for which
Shop Drawings or samples have not been approved and/or which are not in
accordance with the Specifications, the Electrical Contractor will be required to
remove such materials and substitute approved materials at his own expense and as
directed by the Architect.
1.08 PERMITS, FEES, AND INSPECTIONS
A. The Electrical Contractor shall secure all permits and pay all fees required for his
work. He shall be required to secure all other permits and pay all other fees and
charges incidental to the proper carrying out of the Contract. He is to assume all
responsibility regarding the observance of the rules and regulations so far as they
relate to his part of the work.
B. The Electrical Contractor shall arrange and pay for all required inspections of his
work.
1.09 TEMPORARY HOOK-UPS
A. The General Contractor will provide any temporary hook-ups required for the use of
water or sanitary for construction purposes and testing out apparatus as specified in
Division 1.
1.10 TEMPORARY LIGHT AND POWER
A. The General Contractor will furnish and install temporary light and power as
specified in Division 1.
1.11 PLANS AND SPECIFICATIONS
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G. The Electrical Contractor shall be responsible for the proper protection of his work
and materials from injury or loss at the hands of others and shall make good such
loss or injury at his own expense. All pipes left open during the progress of the
work shall be capped or plugged at all times. All instruments and operating
apparatus shall be protected by suitable means.
H. The Electrical Contractor shall be responsible for all equipment and materials
installed under this Section until the final acceptance of the project by the Owner.
I. Before submitting his bid, the Electrical Contractor shall visit the site with the
Drawings and Specifications and shall become thoroughly familiar with all
conditions affecting his work since the Electrical Contractor will be held responsible
for any assumption he may make in regard thereto.
J. The Electrical Contractor shall check the Architectural Plans and Specifications
before ordering any materials and the installation of work. Any discrepancies shall
be called to the attention of the Architect before proceeding with the work.
1.05 QUALITY ASSURANCE
A. Equality of materials or articles other than those named or described in this Section
will be determined in accordance with the provisions of the General Requirements,
except that substitutions will only be considered for items where the words, "or
equal" appear in product specifications and as approved by the Architect and Owner.
B. The Electrical Contractor shall agree to accept as final the results of tests secured by
a qualified testing laboratory engaged by the Owner. Tests will be conducted in
accordance with the General Requirements.
1.06 PRODUCTS
A. With the exception of items specifically noted other-wise, all materials used shall be
U.S. made, new, full weight, and first class in every respect, without defects, and
designed to function properly in that portion of the work for which they are
intended, and with the same brand of manufacturers for each class of material or
equipment. Electrical materials and equipment of types for which there are
Underwriters Laboratories standard requirements, listings, or labels shall conform to
their requirements and be so labeled.
1.07 SUBMITTALS
A. Before ordering materials shipped to the job, the Electrical Contractor shall submit
to the Architect six (6) sets of catalogue cuts, manufacturers' data sheets, or Shop
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1.04 INSTALLATION REQUIREMENTS
A. The Electrical Contractor shall employ only competent and experienced workmen at
a regular schedule in harmony with the other tradesmen on the job. He shall also
exercise care and supervision of his employees in regard to proper and expeditious
laying out of his work.
B. The Electrical Contractor shall have a Foreman or Superintendent assigned to the
Project who shall be authorized to make decisions and receive instructions exactly
as if the Electrical Contractor himself were present. The Foreman or Superintendent
shall not be removed or replaced without the express approval of the Architect after
construction work begins.
C. The Electrical Contractor shall be held responsible for any injuries or damage done
to the building premises or adjoining property or to other Contractors'work resulting
from the execution of his part of the work in any manner whatsoever; and in case of
dispute arising as to the extent or share of responsibility incurred by the Electrical
Contractor, it is agreed between the Owner and the Electrical Contractor that such
liability and extent of damage shall be finally determined by the Architect whose
decision shall be final and binding on both parties to the Contract for the work in
question.
D. The Electrical Contractor shall co-operate to the fullest extent with all other trades
in order to expedite the progress of the work. He shall furnish all information
pertaining to his materials as to sizes, locations, and means of support, to all other
trades requiring such information. The Electrical Contractor shall also furnish all
sleeves, frames, beams, supports, inserts, etc., hereinafter specified so that the
General Contractor may build them in place. In case of failure on the part of the
Electrical Contractor to give proper information as above,he will be required to bear
the extra expense involved due to such failure.
E. The arrangement of all piping, duct work, conduit, wire and cable indicated on the
Drawings is diagrammatic only, and indicates the minimum requirements of this
work. Conditions at the building shall determine the actual arrangement of runs,
bends, offsets, etc. The Electrical Contractor shall lay out all his work and be
responsible for the accuracy thereof. Conditions at the building shall be the
determining factor for all measurements.
F. All work shall be laid out and installed so as to require the least amount of cutting
and patching. Drilling of all holes required for the installation of pipes, conduit, and
cable runs shall be performed by the Electrical Contractor installing such items.
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SECTION 16100-ELECTRICAL
PART1 - GENERAL
1.01 RELATED DOCUMENTS
A. Include General Conditions, Supplementary General Conditions, and applicable
parts of Division 1, as part of this Section.
B. Examine all other Sections of the Specifications for requirements which affect work
under this Section whether or not such work is specifically mentioned in this
Section.
C. Coordinate work with that of all other trades affecting, or affected by the work of
this Section. Co-operate with such trades to assure steady progress of all work
under the Contract.
1.02 SCOPE OF WORK
A. Furnish all labor, materials, plant, equipment and services necessary for and
reasonably incidental to the complete installation of all electrical work specified
herein and/or indicated on the Drawings, including, but not limited to, the
following:
1. Branch Circuit Wiring and Conduit.
2. Wiring devices and plates.
3. Power wiring to motors and equipment furnished by other trades or Owner
including final connections to equipment.
4. New Panel Board
1.03 CODES, ORDINANCES AND INSPECTIONS
A. All materials and the installation thereof shall conform to the requirements of the
Massachusetts State Building Code, Massachusetts Electrical Code, and local laws,
rules, regulations, and codes pertaining thereto. Where provisions of the Contract
Documents conflict with any codes, rules or regulations, the latter shall govern.
Where the Contract requirements are in excess of applicable codes, rules or
regulations, the Contract provisions shall govern unless the Architect rules
otherwise.
B. The Electrical Contractor shall comply with the Local Code Enforcement Officials'
instructions at no additional cost to the Owner.
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INDEX
SECTION 16100-ELECTRICAL
PART 1 -GENERAL
PART 3-INSTALLATION
1.01 RELATED DOCUMENTS 3.01 GENERAL INSTALLATION
1.02 SCOPE OF WORK 3.02 REQUIREMENTS
1.03 CODES, ORDINANCES AND 3.03 GROUNDING
1.04 INSPECTIONS 3.04 CONDUIT AND FITTINGS
1.05 INSTALLATION REQUIREMENTS 3.05 OUTLET AND JUNCTION BOXES
1.06 QUALITY ASSURANCE 3.06 EQUIPMENT INSTALLATION
1.07 PRODUCTS 3.07 TESTING
1.08 SUBMITTALS FIRE SAFING
1.09 PERMITS,FEES AND INSPECTIONS
1.10 TEMPORARY HOOK-UPS
1.11 TEMPORARY LIGHT AND POWER
1.12 PLANS AND SPECIFICATIONS
1.13 PRODUCT HANDLING
1.14 ENVIRONMENTAL CONDITIONS
1.15 WORK CONCEALED
1.16 OPERATING INSTRUCTIONS
1.17 GUARANTEE
1.18 CUTTING AND PATCHING
1.19 RECORD DRAWINGS
PART 2-MATERIALS
2.01 RACEWAYS
2.02 WIREWAYS
2.03 CONDUCTORS
2.04 OUTLET AND JUNCTION BOXES
2.05 NAMEPLATES
2.06 WIRING DEVICES
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B. Safing Insulation
1. Fire safing insulation shall be Thermafiber as manufactured by USG Interiors, Inc.
or Architect-Engineer approved equal, 4" minimum thickness by the required full
length and width, or as indicated on the Drawings.
2. Provide incidental galvanized steel clip anchors.
C. Seal Compound: At "poke-through" openings, apply "Firecode" seal compound as
manufactured by USG Interiors, Inc., or approved equal, over Thermafiber fire safing.
D. Preparation
1. At all fire rated assemblies, prepare all penetrations for pipes.
E. Application
1. Install approved fire safing insulation of proper size leaving no voids. Compress
and friction fit fire safing and use attachment clips where necessary.
2. Seal completely around all openings and over the fire safing insulation with
sealing compound.
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D. Any metal or especially covered areas that have been deformed shall be replaced with new
material and repainted to match the adjacent areas.
3.10 IDENTIFICATION
A. All piping, valves, controls and equipment on the project shall be identified as specified
herein. All marks of identification shall be easily visible from the floor or usual point of vision.
B. All piping shall be identified as to the service of the pipe and the normal direction of flow.
The letters shall be 1" high and the flow arrows shall be at least 6"long. The letters and flow
arrows shall be made by precut stencils and black oil base paint with aerosol can or snap-
on, pre-printed plastic labels. Install identification in each room and additionally so that
markers are not over 50 feet on center.
C. Each valve, except runout valves, but including control valves, shall be tagged with a brass
disc 1-1/2" in diameter. The disc shall contain a number, and a valve list shall be provided
under glass in the Boiler Room showing the location of the valve, the service and the valve
and any pertinent remarks regarding the operation of the valve. Securely fasten the discs to
the valves with brass"S" hooks or chains.
D. All panel mounted controls and instruments, and all equipment shall be identified by
engraved nameplates mounted just under the control or instrument. The engraved
nameplates shall be engraved on "Lamacoid", or approved equal plastic which will be black
and show white letters when engraved. Letters shall be 1/2" high.
E. No identification shall be done until all painting required under the Architectural section of
these Specifications has been accomplished.
3.11 SPARE PARTS
A. Filters: Each air handling unit shall be provided with three (3) extra sets of filters for each
unit. One (1) set shall be installed by this Contractor after substantial completion is issued
and the two(2) remaining sets shall be delivered to the Owner.
B. Fan Belts: This Contractor shall provide one (1) spare fan belt of each fan installed.
D. Furnish a typewritten certificate confirming the above and stating the Owner designated
location to which the spare parts have been delivered. Delivery of parts shall be confirmed
by the Owner's representative, who shall countersign the Certificate.
3.12 FIRE SAFING
A. Work Included: Provide labor, materials, and equipment necessary to complete the work
including, but not limited to the following:
1. Fire safing at all penetrations through fire barriers.
2. Fire safing at all penetrations through smoke barriers.
3. Extent of fire and smoke barriers as indicated on the Architectural Drawings.
4. Fire safing at all penetrations through floors, shafts, corridor walls, stairway walls,
mechanical rooms, electrical rooms, vaults, storage rooms, kitchen, machine
rooms, outdoor storage rooms, and receiving rooms.
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B. Balancing shall be performed by an independent contractor hired directly by the Owner.
3.07 INSULATION
A. All pipe and duct insulation shall be installed by an independent insulation contractor
regularly engaged in that business.
B. Insulation shall not be omitted on piping in walls nor on branches running through radiator
covers. Longitudinal seams on jackets shall be located so that they are not visible from the
floor. Remove all stickers from covering.
C. Insulation shall be applied over clean pipe with all joints butted firmly together and sealed
with butt strips. Insulation shall run through all hangers and sleeves and have an 18 gauge
sheet metal saddle equal to three times the pipe diameter in length. All pipes over 2" in
diameter shall be supported through insulation by fitting a protection saddle to the thickness
of the insulation inside the vapor barrier jacket.
D. All fittings,valves, etc. shall be insulated with the proper factory pre-cut insulation. The ends
of the insulation shall be tucked snugly into the throat of the fitting and the edge adjacent to
the pipe covering tufted and tucked into fully insulated pipe fitting. The one piece PVC fitting
cover shall then be secured by taping the ends of the adjacent pipe covering.
3.08 EQUIPMENT INSTALLATION
A. All equipment furnished under this Section shall be installed in accordance with its
manufacturer's printed installation instructions, whether so shown on the Drawings or not,
and all labor and materials required to accomplish this shall be furnished by the HVAC
Contractor and be included in his bid.
3.09 SYSTEM TESTS AND CLEAN-UP
A. The entire Heating and Ventilating system shall be tested at completion of the building, and
it shall be established that all controls are calibrated accurately and performing satisfactorily
and that all units are heating and ventilating satisfactorily. The systems shall be checked for
vibration and excessive noise and all such conditions corrected.
B. At the completion of all work, all equipment on the project shall be checked and thoroughly
cleaned including coils, plenums, under equipment and any and all other areas around or in
equipment provided under this Section. Any filters used during construction shall be
replaced with new filters during final clean-up.
C. At the completion of all work, all equipment on the project shall be checked for painting
damage, and any factory finished paint that has been damaged shall be repaired to match
the adjacent areas.
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check to verify that the stress due to pressure at the bottom of vertical runs does not exceed
either 90%of specified minimum yield strength, or 1.7 times the "SE"value in Appendix A of
ASME B31.9, Code for Pressure Piping, Building Services Piping.
D. After the hydrostatic test pressure has been applied for at least 10 minutes, examine piping,
joints, and connections for leakage. Eliminate leaks by tightening, repairing, or replacing
components as appropriate, and repeat hydrostatic test until there are no leaks.
E. After system has been determined to be leak-free, the Engineer shall be notified and the test
shall be repeated in his or his representative's presence.
F. When delicate control mechanisms are installed in the piping system, they shall be removed
during the tests to prevent shock damage. This does not apply to control valves.
G. Leaks developing subsequent to these tests shall not be repaired by mastic or other
temporary means. All leaks shall be repaired by removal of the valve, fitting,joint, or section
that is leaking and reinstalling new material with joints as specified herein before.
3.05 CLEANING AND FLUSHING
A. All water circulating systems for the project shall be thoroughly cleaned before placing in
operation to rid the system of dirt, piping compound, mill scale, oil, and any and all other
material foreign to the water being circulated. Clean all strainers.
B. Extreme care shall be exercised during construction to prevent all dirt and other foreign
matter from entering the pipe or other parts of the system. Pipe stored on the project shall
have the open ends capped and equipment shall have all openings fully protected. Before
erection, each piece of pipe,fitting, or valve shall be visually examined and all dirt removed.
C. After system is complete, the Heating & Ventilating Contractor shall add trisodium
phosphate in an aqueous solution to the system at the proportion of one pound per fifty
gallons of water in the system. After the system is filled with this solution, the system shall
be brought up to temperature and allowed to circulate for two hours. The system shall then
be drained completely and refilled with fresh water. The Engineer shall be given notice of
this cleaning operation and he or his representative shall be present to observe the cleaning
operation,and, if he deems it necessary,the cleaning operation shall be repeated.
D. After the system has been completely cleaned as specified herein, it shall be tested by
litmus paper or other dependable method and shall be left on the slightly alkaline side (ph =
7.5 plus or minus). If the system is found to be still on the acid side,the cleaning by the use
of trisodium phosphate shall be repeated.
E. The HVAC Contractor shall not add any water treatment chemicals, or at any time "stop-
leak" compounds to the system.
3.06 WATER AND AIR FLOW BALANCE AND TESTS
A. After completion of the installation of the heating,ventilating, and exhaust systems, and prior
to acceptance by the Owner, all systems and appurtenances applicable to the above
systems shall be adjusted and balanced to deliver the water and air quantities as specified,
indicated on the Drawings, or as directed.
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D. No pipe cutting or threading shall be done in areas where completed concrete floor slab is to
remain as finished or be painted later. Should use of such an area be necessary, the HVAC
Contractor shall cover the working area with canvas tarpaulins in an approved manner.
3.03 PIPE INSTALLATION
A. All piping shall be run true and straight at proper pitch without strain and shall be firmly
supported throughout. Provision for expansion and contraction shall be made with offsets or
expansion loops. All pipe shall be cut off clean and threaded with sharp dies, reamed and
burrs removed.
B. Where screwed fittings are used, bushings shall not be used from branch connections or
reducers. Connections to equipment shall be full size of tappings. Reductions in the run of
pipe shall be made with eccentric or concentric reducers as required for draining and
venting.
C. All piping shall be run concealed throughout finished spaces either in furred spaces, shafts,
chases, or above hung ceilings.
D. Special care must be taken throughout the equipment rooms, vertical pipe shafts, above
hung ceilings, and elsewhere throughout all floors to maintain maximum headroom and
clearances for access to other equipment and to avoid conflict with electrical conduits,
lighting fixtures, other piping, ducts, and equipment of other trades.
E. Connections to equipment shall be made with unions or flanges to permit future
replacement, removal and servicing of equipment. Flexible connections where required to
isolate movement of equipment from piping system or of piping system from equipment,
shall be as specified.
F. Before any part of the various piping systems is placed in operation, blow out piping with
compressed air and/or water to remove all chips and scale and flush and drain until all
traces of dirt, scale and other foreign matter have disappeared. Refer to other sections for
additional requirements.
G. Vent all high points and drain all low points throughout the system.
3.04 PIPING SYSTEM TESTS
A. All piping installed on the project, unless specifically shown otherwise, shall be hydraulically
tested as specified herein. The HVAC Contractor shall provide all equipment required to
make the tests specified herein. Piping may be tested a section at a time in order to
facilitate the construction.
B. The HVAC Contractor shall fill the section of pipe to be tested with water and bring the
section up to pressure with a test pump. These tests shall be conducted before any
insulation is installed and any insulation installed prior to these tests shall be removed.
Gauges used in the tests shall have been recently calibrated with a dead weight tester.
C. Subject piping system to a hydrostatic test pressure which at every point in the system is not
less than 1.5 times the design pressure. The test pressure shall not exceed the maximum
pressure for any vessel, pump, valve, or other component in the system under test. Make a
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2.23 STEAM TRAPS
A. Furnish and install float and thermostatic steam traps where indicated on the Drawings.
B. The trap shall be of the mechanical lever ball float type having a ductile iron body with
horizontal inline screwed connections and shall incorporate a balanced pressure
thermostatic air vent. Valve mechanism shall be stainless steel and attached to a
removable cover for easy maintenance. The cover shall be 180 degrees reversible to permit
flow in either direction.
C. Steam traps shall be as manufactured by Tunstall Associates. No substitutions will be
allowed.
PART 3- INSTALLATION
3.01 CLEANING AIR SYSTEM
A. No air handling units shall be run for temporary heating, ventilating, testing, or otherwise
without filters in place.
B. Upon completion of construction and before testing, the interior of all air handling units and
plenums shall be vacuum cleaned to remove all construction dirt, dust, etc. before the units
are turned on, and clean filters shall be installed.
3.02 CUTTING, PATCHING AND DRILLING
A. Drilling of all holes 4" diameter and smaller required for the installation of heating and
ventilating piping and equipment shall be performed by the HVAC Contractor. Cutting and
patching shall be performed by the General Contractor in accordance with the General
Conditions. All work and materials shall be installed in such a manner and at such time to
keep cutting and patching to a minimum. Location for chases, openings, etc. shall be
checked by the HVAC Contractor, and error due to failure to co-ordinate work with other
Divisions shall be the responsibility of the HVAC Contractor, who shall make the corrections
as his own expense.
B. Work shall include furnishing and locating inserts required before the floors and walls are
built, or be responsible for the cost of cutting and patching required for pipes where sleeves
and inserts were not installed, or where incorrectly located. The HVAC Contractor shall do
all drilling required for the installation of hangers. Patching of all holes, after installation of
piping or equipment shall be performed by the General Contractor.
C. As the work nears completion, all pipe cutting and threading, etc. shall be done in a location
approved by the Engineer.
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A. Convectors shall be of the wall mounted or semi-recessed type as shown on Drawings for
heating with hot water. Unit shall have a capacity as shown on the drawings and shall be
rated in accordance with Code CS140-47 of the National Bureau of Standards.
B. Convector elements shall be of suitable type for use with hot water and shall consist of
round seamless copper tubes, non-ferrous fins, cast iron headers, steel element end
supports and fin tube supports all suitably protected against corrosion. All tubes shall be
mechanically expanded into fin collars. Tubes shall be expanded and rolled into headers
with contact strengthened by tapered brass bushings so inserted as to prevent tubes from
loosening or pulling out by continued expansion. No soldered or welded joints or
compression couplings shall be permitted.
C. All cabinets shall be reinforced where necessary to provide stiffness. Cabinets shall be
constructed of 16 gage quality steel. Fronts shall be secured in place by quick opening
fasteners with vandal proof heads. Cabinets and fronts shall be phosphatized and
painted inside and outside with one coat of grey primer. Complete cabinets and
convector elements are to be manufactured by the same company. A horizontal channel
stiffener shall be installed on the inside of the front panel of all units' 36" or longer.
D. The convectors shall be securely attached to the building structure and shall be set dead
level in both directions. All convectors shall be mounted one block course (8") above
finished floor.
E. The convectors shall be finished with factory baked enamel finish in color to be selected
by the Architect from manufacturer's standard colors. All fasteners shall be tamper-proof.
F. Convector A - Type SW-A: Type SW-A cabinets shall be constructed from not less than
14 gauge CRS front and top and No. 16 gauge CRS back and sides. The front shall wrap
around the sides of the cabinet and shall fasten at sides with vandal proof screws. Air
outlet louvers of venetian type shall be in slope top. Type SW-A air inlet shall be through
open bottom. Back shall be provided with holes for mounting on wall.
G. Dampers: Provide factory installed Allen Head operated dampers for all convectors. The
damper operator shall have two free wheeling clutches for automatic engagement at the
beginning (closing or opening) position and shall position the damper blade at any
intermediate point between full closed and full open; at the full open and full closed
position, the clutch shall disengage allowing the die-formed, unbreakable nylon damper
knob to be turned beyond the full closed or open position without jamming or distorting the
damper assembly. The operator is to be 5/8 in. machined aluminum screw and zinc die-
cast iron and escutcheon plate. The escutcheon plate shall be fastened through the
enclosure to a 3/32 in. back-up plate with countersunk sheet metal screws.
H. Access Doors: Convectors shall be provided with one access door. Access door shall be
5-1/8 in. by 4-1/8 in. and shall be located in the inlet louver area. Access doors shall be
hinged on side with straight shaft type hinge and shall fasten with cam-type locking device
with Allen Head operator.
I. End Pockets: Where noted, convectors shall be provided with 4 in. end pockets, both
ends. End pocket shall consist of the cabinet extended in length as noted with No. 20
gauge CRS baffle spot welded to back of cabinet extruding from heating element to air
outlet louvers.
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g. Loop Isolation: Each loop supply and return module shall have a means
of fully isolating the loop from the rest of the system.
h. Piping Inlet/Outlet Size: All manifold inlets/outlets shall be 1-1/4" NPT
female, to fit maximum size plumbing and greater system adaptability.
3. Fittings
a. Fitting Composition: Brass compression fittings consisting of nut, ferrule
and insert with a ring for connecting PEX or copper tubing to manifold.
b. Fitting Types: Manifold to PEX tubing sizes 3/8", 1/2", 5/8" 3/4"
Manifold to 1/2" copper tubing
Hose Bib
Manifold Cap
C. Required Features: Well fitting, easily installed. Copper tubing should
not require soldering.
D. System Requirements
1. Installations: Radiant tubing systems shall be installed in accordance with the
manufacturer's instructions and recommendations. All relevant information shall
be included relating to the following:
a. tube handling
b. tube measuring
C. tube cutting
d. tube bending
e. tube repairing
f. tube connections
g. tube solvent sensitivity
h. tube UV light sensitivity
i. tube capacity and pressure drop
j. tube loop layout patterns
k. tube fastening procedures
I. manifold assembly instructions
M. manifold location
n. fitting assembly instructions
o. insulation practices
P. installation method by construction type
q. control applications
r. system start-up procedures
2. Drawings: All drawings or design plans of the radiant tubing system shall be in
accordance with manufacturer recommended procedures for the products
utilized.
3. Components: All product components of the radiant tubing system shall be
supplied by one company, including: PEX tubing, fittings, manifolds, and other
recommended and required hardware to assure a compatible and a complete
radiant tubing system.
2.22 CONVECTORS
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degree bend. For 180 degree bends, the minimum bend radius shall be
as follows:
3/8"tubing 3.0" radius
1/2"tubing 3.75" radius
5/8"tubing 4.5" radius
3/4" tubing 5.75" radius
M. Marking: All PEX tubing shall be marked at intervals of not more than
five (5)feet in accordance with ASTM F876 as follows:
1. Nominal tubing size.
2. Type of plastic tubing material.
3. Standard dimension Ratio, SDR9.
4. Pressure rating for water and temperature for which the pressure
rating is valid.
5. ASTM designation, ASTM F876.
6. Manufacturer's name and production code.
Additional Marking
1. Date of manufacturing.
2. Oxygen diffusion protection to DIN4726.
3. Length indications in five (5) foot intervals, for ease of measuring the
tubing.
2. Manifolds: Manifolds used in PEX tubing installation shall consist of individual
loop control and adaptation utilizing modular Polyacrylamide thermoplastic
components ready for assembly. The manifold should also include the following
features:
a. Modular Design: This eliminates the need for multiple manifold
configurations and allows for future expansion.
b. Venting: Each supply and return vent/temperature module shall have an
automatic integrated air vent.
C. Temperature Measurements: Each supply and return manifold shall
have a thermometer integrated to indicate supply and return water
temperatures. Temperature readouts will assist in the diagnostics and
set up of a radiant heating system.
d. Flow Measurements: Each loop return block shall have incremental
adjustment and flow rate indication. Temperature and flow readouts will
assist in the diagnostics and set up of a radiant heating system.
e. Balancing Valves: Each return block will provide a balancing valve and a
visual flow meter for proper balancing of the radiant heating system
allowing different loop lengths and tube sizes to be connected to the
same manifold. Each valve shall be able to fully close to allow complete
loop isolation.
f. Supply/Return Indication: Each loop supply module shall be red to
indicate incoming hot water, and each return loop module shall be blue to
indicate cooler return water.
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C. Working Pressure/Temperature: The minimum continuous working
pressure rating of the PEX tubing shall be 100 psi @ 180 F working
temperature and 80 psi @ 200 F working temperature.
d. Physical Properties: As supplied by Embassy Industries, Inc., all PEX
tubing shall conform to ASTM F876 "American Society of Testing and
materials, Standard Specification F876 entitled, "Crosslinked
Polyethylene (PEX) Tubing", and German Standard DIN 4726 for
"Oxygen Permeation" as related to the following paragraphs:
e. Tubing: The tubing shall be homogeneous throughout and essentially
uniform in color, opacity, density, and other properties. The inside and
outside surfaces shall be matte or glossy in appearance. the tubing walls
shall be free of cracks, holes, blisters, voids, foreign inclusion, or other
defects that are visible to the naked eye and that may affect the wall
integrity.
f. Dimensions and Tolerances
Nominal Average Outside Minimum
Tubing Size Diameter Wall
Thickness
3/8" 0.500" 0.070"
1/2" 0.625" 0.070"
5/8" 0.750" 0.083"
3/4" 0.875" 0.097'
g. Density: The crosslinked polyethylene tubing material shall have a
density in the range from 0.926 to 0.949 Mg/m3.
h. Burst Pressure: The minimum burst pressure for PEX plastic tubing shall
be as given.
Nominal Tube Minimum Burst Minimum Burst
Size Pressure Pressure
psi @ 180°F psi @ 180°F
3/8" 275 235
1/2" 215 185
5/8" 210 180
3/4" 210 180
i. Environmental Stress Cracking: "There shall be no loss of pressure in
the tubing when tested in accordance with 7.9" (paragraph of ASTM
F876).
j. Degree of Crosslinking: "When tested in accordance with 7.9,
(paragraph of ASTM F876), the degree of crosslinking for PEX tubing
material shall be within the range of 65%to 89%inclusive."
k. Stabilizer Migration Resistance: "When tested in accordance with 7.10
(paragraph of ASTM F876), the time t2 (t2 = time to failure of boiled
sample) shall be at least 50% of the time, t," (t, = time to failure of
unboiled sample).
I. Bend Radius: The minimum bend radius for cold bending of the tube
shall not be more than six (6) times the outside diameter for up to a 90
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Equipment Schedule Specification Static
Deflection
Air Handling/Energy Recovery Units 1, 4, 19 Internal Isolation
Fan Coil Units 10, 12, 19 .75 in.
In-Line Fans 10, 12, 19 1 in.
Unit Heaters 10, 12, 19 .75 in.
Cabinet Heaters 4 & 18
Pumps—Base Mounted 1, 4, 18, 23
Pumps— In-Line 23
2.21 RADIANT HEATING DISTRIBUTION SYSTEM
A. Scope of Work
1. This Specification is to provide relevant product data for a radiant tubing system
consisting of PEX tubing with oxygen permeation protection, distribution
manifolds and associated fittings.
B. References
1. American Society of Testing and Materials, Standard Specification F876, entitled
"Crosslinked Polyethylene (PEX)Tubing".
2. American Society of Testing and Materials, Standard Specification F877 entitled,
"Crosslinked Polyethylene (PEX) Plastic Hot and Cold Water Distribution
Systems".
3. German Standard DIN 4726, "Pipelines of plastic materials used in warm water
floor heating systems".
C. Materials
1. Tube
a. Tube Composition: Crosslinked Polyethylene (PEX) in accordance with
ASTM F876.
b. Manufacturing Method: All PEX tubing shall be manufactured using the
"electron beam method of crosslinking, performed at ambient
temperature and pressure.
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restraints are sized for the larger duct. Duct joints shall conform to SMACNA duct
construction standards.
4. The ductwork must be reinforced at the restraint locations. Reinforcement shall
consist of an additional angle on top of the ductwork that is attached to the
support hanger rods. Ductwork is to be attached to both upper angle and lower
trapeze.
5. A group of ducts may be combined in a larger frame so that the combined
weights and dimensions of the ducts are less than or equal to the maximum
weight and dimensions of the duct for which bracing details are selected.
6. Walls, including gypsum board non bearing partitions, which have ducts running
through them may replace a typical transverse brace. Provide channel framing
around ducts and solid blocking between the duct and frame.
P. All mechanical equipment shall be vibration isolated and seismically restrained as per the
schedules in paragraph S of this Specification.
Q. Seismic Restraint Exclusions:
1. Piping:
a. All piping less than 2-1/2 in. in diameter except those listed below.
b. All gas piping and medical gas piping less than 1 in. I.D.
C. All piping in mechanical equipment rooms less than 1-1/4 in. I.D.
d. All clevis or trapeze supported piping suspended from hanger rods where
the point of attachment is less than the 12 in. in length from the structure
to the structural connection of the clevis or trapeze.
e. All PVC and fiberglass suspended waste or vent pipe 6 in. in diameter
and smaller.
2. Ductwork:
a. Rectangular, square or oval ducts less than 6 sq. ft. in cross sectional
area.
b. Round duct less than 28 in. in diameter.
C. Duct supported by hanger rods where the point of attachment is less than
12 in. in length from the structure to the structural connection of the duct
work.
R. Suspended Equipment:
1. VAV boxes and fan powered equipment weighing less than 50 lbs. and rigidly
connected to the supply side of the duct system and supported with a minimum if
4 hanger rods.
S. Schedules:
Vibration Isolation and/or
Seismic Restraint
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3. Longitudinal restraints shall be at 80' maximum spacing for all pipe sizes,
except where lesser spacing is required to limit anchorage loads.
4. Where thermal expansion is a consideration, guides and anchors may be
used as transverse and longitudinal restraints provided they have a
capacity equal to or greater than the restraint loads in addition to the
loads induced by expansion or contraction.
5. For fuel oil and all gas piping transverse restraints must be at 20 ft.
maximum and longitudinal restraints at 40 ft. maximum spacing.
6. Transverse restraint for one (1) pipe section may also act as a
longitudinal restraint for a pipe section of the same size connected
perpendicular to it if the restraint is installed within allowable limits at
longer distances.
7. Hold down clamps must be used to attach pipe to all trapeze members
before applying restraints in a manner similar to clevis supports.
8. Branch lines may not be used to restrain main lines.
9. Cast-iron pipe of all types, glass pipe and any other pipes joined with a
four band shield and clamp assembly in Zones 2B, 3 and 4 shall be
braced as in sections 3.02.C.2 and 3. For Zones 0, 1 and 2A, 2 band
clamps may be used with reduced spacings of 1/2 of those listed in
sections 3.02.C2 and 3.
N. Vibration Isolation of Ductwork:
1. All discharge runs for a distance of 50' from the connected equipment shall be
isolated from the building structure by means of Specification 10 hangers or
Specification 5 floor isolators. Spring deflection shall be a minimum 0.75 in.
2. All duct runs having air velocity of 1000 fpm or more shall be isolated from the
building structure by Specification 11 hangers or 5 floor supports. Spring
deflection shall be a minimum of 0.75 in.
O. Seismic Restraint of Ductwork:
1. Seismically restrain all duct work with Specification 12 or 13 restraints as listed
below:
a. Restrain rectangular ducts with cross sectional area of 6 sq. ft. or larger.
b. Restrain round ducts with diameters of 28 in. or
larger.
C. Restrain flat oval ducts the same way as rectangular ducts of the same
nominal size.
2. Transverse restraints shall occur at 30' intervals or at both ends of the duct run if
less than the specified interval. Transverse restraints shall be installed at each
duct turn and at each end of a duct run.
3. Longitudinal restraints shall occur at 60' intervals with at least one restraint per
duct run. Transverse restraints for one duct section connected perpendicular to it
if the restraints are installed within 4' of the intersection of the ducts and if the
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19. Locate isolation hangers as near to the overhead support structure as
possible.
L. Vibration Isolation of Piping:
1. Horizontal Pipe Isolation: The first three (3) pipe hangers in the main
lines near the mechanical equipment shall be as described in
Specification 11. Specification 11 hangers must also be used in all
transverse braced isolated locations. Brace hanger rods with SRC
clamps Specification 14. Horizontal runs in all other locations throughout
the building shall be isolated by hangers as described in Specification 10.
Floor supported piping shall rest on isolators as described in
Specification 6. Heat exchangers and expansion tanks are considered
part of the piping run. The first three (3) isolators from the isolated
equipment will have the same static deflection as specified for the
mountings under the connected equipment. If piping is connected to
equipment located in basements and hangs from ceilings under occupied
spaces the first three hangers shall have 0.75 in. deflection for pipe sizes
up to and including 3 in., 1-1/2 in. deflection for pipe sizes up to and
including 6 in., and 2-1/2 in. deflection thereafter. Hangers shall be
located as close to the overhead structure as practical. Where piping
connects to mechanical equipment install Specification 23 flexible piping
connection or Specification 24 stainless steel hoses is 23 is not suitable
for the service.
2. Riser Isolation: Risers shall be suspended from Specification 10 hangers
or supported by Specification 5 mountings, anchored with Specification
25 anchors, and guided with Specification 26 sliding guides. Steel
springs shall be a minimum of 0.75 in. except in those expansion
locations where additional deflection is required to limit load changes to
± 25% of the initial load. Submittals must include riser diagrams and
calculations showing anticipated expansion and contraction at each
support point, initial and final changes and seismic loads. Submittal data
shall include certification that the riser system has been examined for
excessive stresses and that none will exist in the proposed design.
M. Seismic Restraint of Piping:
1. Seismically restrain all piping listed as a, b or c below. Use Specification
12 cables if isolated. Specification 12 or 13 restraints may be used on
unisolated piping.
a. Fuel oil piping, gas piping, medical gas piping, and compressed
air piping that is 1 in. I.D. or larger.
b. Piping located in Mechanical Rooms, mechanical equipment
(fan) rooms, and refrigeration equipment rooms that is 1-1/4 in.
I.D. and larger.
C. All other piping 2-1/2 in. diameter and larger.
2. Transverse piping restraints shall be at 40' maximum spacing for all pipe
sizes, except where lesser spacing is required to limit anchorage loads.
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specified. "Building" includes, but is not limited to, slabs, beams,
columns, studs and walls.
5. Coordinate work with other trades to avoid rigid contact with the building.
6. Any conflicts with other trades which will result in rigid contact with
equipment or piping due to inadequate space or other unforeseen
conditions should be brought to the architects/engineers attention prior to
installation. Corrective work necessitated by conflicts after installation
shall be at the responsible Contractor's expense.
7. Bring to the architects/engineers attention any discrepancies between the
Specifications and the field conditions or changes required due to specific
equipment selection, prior to installation. Corrective work necessitated by
discrepancies after installation shall be at the responsible Contractor's
expense.
8. Correct, at no additional cost, all installations which are deemed defective
in workmanship and materials at the Contractor's expense.
9. Overstressing of the building structure must not occur because of
overhead support of equipment. Contractor must submit loads to the
structural engineer of record for approval. Generally bracing may occur
from:
a. Flanges of structural beams.
b. Upper truss cords in bar joist construction.
C. Cast in place inserts or wedge type drill-in concrete anchors.
10. Specification 12 cable restraints shall be installed slightly slack to avoid
short circuiting the isolated suspended equipment, piping or conduit.
11. Specification 12 cable assemblies are installed taut on non-isolated
systems. Specification 13 seismic solid braces may be used in place of
cables on rigidly attached systems only.
12. At locations where Specification 12 or 13 restraints are located, the
support rods must be braced when necessary to accept compressive
loads with Specification 14 braces.
13. At all locations where Specification 12 or 13 restraints are located, the
support rods must be braced when necessary to accept compressive
loads with Specification 14 braces.
14. Drill-in concrete anchors for ceiling and wall installation shall be
Specification type 18, and Specification type 19 female wedge type for
floor mounted equipment.
15. Vibration isolation manufacturer shall furnish integral structural steel
bases as required. Independent steel rails are not permitted on this
project.
16. Hand built elastomeric expansion joints may be used when pipe sizes
exceed 24 in. or specified movements exceed Specification 23
capabilities.
17. Where piping passes through walls, floors or ceilings the vibration
isolation manufacturer shall provide Specification 27 wall seals.
18. Air handling equipment and centrifugal fans shall be protected against
excessive displacement which results from high air throughst in relation
to the equipment weight. Horizontal throughst restraint shall be
Specification type 28 (see selection guide).
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24. All-directional acoustical pipe anchor, consisting of two sizes of steel
tubing separated by a minimum 1/2 in. thick 60 durometer neoprene.
Vertical restraint shall be provided by similar material arranged to prevent
vertical travel in either direction. Allowable loads on the isolation material
should not exceed 500 psi and the design shall be balanced for equal
resistance in any direction. All-directional anchors shall be Type ADA as
manufactured by Mason Industries, Inc.
25. Pipe guides shall consist of a telescopic arrangement of two sizes of
steel tubing separated by a minimum 1/2 in. thickness of 60 durometer
neoprene. The height if the guides shall be preset with a shear pin to
allow vertical motion due to pipe expansion or contraction. Shear pin
shall be removable and reinsertable to allow for selection of pipe
movement. Guides shall be capable of ± 1-5/8 in. motion, or to meet
location requirements. Pipe guides shall be Type VSG as manufactured
by Mason Industries, Inc.
26. Split Wall Seals consists of two bolted pipe halves with minimum 3/4 in.
thick neoprene sponge bonded to the inner faces. The seal shall be
tightened around the pipe to eliminate clearance between the inner
sponge face and the piping. Concrete may be packed around the seal to
make it integral with the floor, wall or ceiling if the seal is not already in
place around the pipe prior to the construction of the building member.
Seals shall project a minimum of 1 in. past either face of the wall. Where
temperatures exceed 240 dig. F., 10 lb. density fiberglass may be used
in lieu of the sponge. Seals shall be Type SWS as manufactured by
Mason Industries, Inc.
27. The horizontal throughst restraint shall consist of a spring element in
series with a neoprene molded cup as described in Specification 5 with
the same deflection as specified for the mountings or hangers. The
spring element shall be designed so it can be preset for throughst at the
factory and adjusted in the field to allow for a maximum of 1/4 in.
movement at start and stop. The assembly shall be furnished with one
(1) rod and angle brackets for attachment to both the equipment and the
duct work or the equipment and structure. Horizontal restraints shall be
attached at the centerline of throughst and symmetrical on either side of
the unit. Horizontal throughst restraints shall be Type WBI/WBD as
manufactured by Mason Industries, Inc.
K. Execution - General:
1. All vibration isolators and seismic restraint systems must be installed in
strict accordance with the manufacturers written instruction and all
certified submittal data.
2. Installation of vibration isolators and seismic restraints must not cause
any change of position of equipment, piping or duct work resulting in
stresses or misalignment.
3. No rigid connections between equipment and the building structure shall
be made that degrades the noise and vibration control system herein
specified.
4. The Contractor shall not install any equipment, piping, duct or conduit
which makes rigid connections with the building unless isolation is not
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lower Z section anchored to the roof structure. Curb shall have
anchorage pre-approval "R" from OSHPD in the State of California
attesting to the maximum certified horizontal and vertical load ratings.
Curb shall be Type RSC as manufactured by Mason Industries, Inc.
22. Flexible spherical piping connectors shall employ peroxide cured EPDM
in the covers, liners and Dacron tire cord frictioning. Solid steel rings
shall be used within the raised face rubber ends to prevent pullout.
Flexible cable bead wire is not acceptable. Sizes 2 in. and larger shall
have two spheres reinforced with a ring between spheres to maintain
shape and complete with split ductile iron or steel flanges with hooked or
similar interlocks. Sizes 16 in. to 24 in. may be single sphere. Sizes 3/4
in. to 1-1/2 in. may have threaded bolted flange assemblies, one sphere
and cable retention. 14 in. and smaller connectors shall be rated at 250
psi up to 190° F with a uniform drop in allowable pressure to 190 psi at
250° F. 16 in. and larger connectors are rated 180 psi at 190° F and 135
psi at 250° F. Safety factors to burst and flange pullout shall be a
minimum of 3/1. All joints must have permanent markings verifying a 5
minute factory test at twice the rated pressure. Concentric reducers to
the above Specifications may be substituted for equal ended expansion
joints.
Pipe connectors shall be installed in piping gaps equal to the length of the
expansion joints under pressure. Control rods need only be used in
unanchored piping locations where the manufacturer determines the
installation exceeds the pressure requirement without control rods, as
control rods are not desirable in seismic work. If control rods are used,
they must have 1/2 in. thick Neoprene washer bushings large enough in
area to take the throughst at 1000 psi maximum on the washer area.
Expansion joints shall be installed on the equipment side of the shut off
valves.
Submittals shall include two (2) test reports by independent consultants
showing minimum reductions of 20 DB in vibration accelerations and 10
DB in sound pressure levels at typical blade passage frequencies on this
or a similar product by the same manufacturer. All expansion joints shall
be installed on the equipment side of the shut off valves. Expansion
joints shall be SAFEFLEX SFDEJ, SFEJ, SFDCR or SFU and Control
Rods CR as manufactured by Mason Industries, Inc.
23. Flexible stainless steel hose shall have stainless steel braid and carbon
steel fittings. Sizes 3 in. and larger shall be flanged. Smaller sizes shall
have male nipples. Minimum lengths shall be as tabulated:
Flanged Male Nipples
3x 14 10x26 1/2x9 1-1/2x13
4x15 12 x 28 3/4 x 102 x 14
5x19 14x301 x11 2-1/2x18
6x20 16x321/4x12
Hoses shall be installed on the equipment side of the shut-off valves
horizontally and parallel to the equipment shafts wherever possible.
Hoses shall be Type BSS as manufactured by Mason Industries, Inc.
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Snubbers shall be installed with factory set clearances. The capacity of
the seismic snubber at 3/8 in. deflection shall be equal or greater than
the load assigned to the mounting grouping controlled by the snubber
multiplied by the applicable "G" force. Submittals shall include the load
deflection in the x, y and z planes. Snubbers shall have an anchorage
pre-approval "R"Number from OSHPD in the State of California verifying
the maximum certified horizontal and vertical load ratings. Snubbers
shall be series Z-1011 as manufactured by Mason Industries, Inc.
18. Stud wedge anchors shall be manufactured from full diameter wire, not
from undersized wire that is "rolled up" to create the thread. The stud
anchor shall also have a safety shoulder which fully supports the wedge
ring under load. The stud anchors shall have an evaluation report
number from the I.C.B.O. Evaluation Service, Inc. verifying its allowable
loads. Drill-in stud edge anchors shall be Type SAS as manufactured by
Mason Industries, Inc.
19. Female wedge anchors are preferred in floor locations so isolators or
equipment can be slid into place after the anchors are installed. Anchors
shall be manufactured from full diameter wire, and shall have a safety
shoulder to fully support the wedge ring under load. Female wedge
anchors shall have an evaluation report number from I.C.B.O. Evaluation
Service, Inc. verifying to its allowable loads. Drill-in female wedge
anchors shall be Type SAB as manufactured by Mason Industries, Inc.
20. Vibration isolation manufacturer shall furnish rectangular steel concrete
pouring forms for floating and inertia foundations. Bases for split case
pumps shall be large enough to provide for suction and discharge of
elbows. bases shall be a minimum of 1/12 of the longest dimension of
the base but not less than 6in. The base depth need not exceed 12 in.
unless specifically recommended by the base manufacturer for mass or
rigidity. Forms shall include minimum concrete reinforcing consisting of
1/2 in. bars welded in place on 6 in. centers running both ways in a layer
1-1/2 in. above the bottom. Forms shall be furnished with steel templates
to hold the anchor bolt sleeves and anchors while concrete is being
poured. Height saving brackets shall be employed in all mounting
locations to maintain a 1 in. clearance below the base. Wooden formed
bases leaving a concrete rather than a steel finish are not acceptable.
Base shall be Type BMK o K as manufactured by Mason Industries, Inc.
21. Curb mounted rooftop equipment shall be mounted on spring isolation
curbs. The lower member shall consist of a sheet metal Z section
containing adjustable and removable steel springs that support the upper
floating section. The upper frame must provide continuous support for
the equipment and must be captive so as to resiliently resist wind and
seismic forces. All directional neoprene snubber bushings shall be a
minimum of 1/4 in. thick. Steel springs shall be laterally stable and rest
on 1/4 in. thick neoprene acoustical pads. Hardware must be plated and
the springs provided with a rust resistant finish. The curbs waterproofing
shall consist of a continuous galvanized flexible counter flashing nailed
over the lower curbs waterproofing and joined at the corners by EPDM
bellows. All spring locations shall have access ports with removable
waterproof covers. Lower curbs shall have provision for 2 in. of
insulation. The roof curbs shall be built to seismically contain the rooftop
unit. The unit must be solidly fastened to the top floating rail, and the
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12. Seismic Cable Restraints shall consist of galvanized steel aircraft cables
sized to resist seismic loads with a minimum safety factor of two (2) and
arranged to provide all-directional restraint. Cable end connections shall
be steel assemblies that swivel to final installation angle and utilize two
(2) clamping bolts to provide proper cable engagement. Cables must not
be allowed to bend across sharp edges. Cable assemblies shall have an
Anchorage Pre-approval "R" Number from OSHPD in the State of
California verifying the maximum certified load ratings. Cable assemblies
shall be Type SCB at the ceiling and at the clevis bolt, SCBH between the
hanger rod nut and the clevis or SCBV if clamped to a beam all as
manufactured by Mason Industries, Inc.
13. Seismic solid braces shall consist of steel angles or channels to resist
seismic loads with a minimum safety factor of 2 and arranged to provide
all directional restraint. Seismic solid brace end connectors shall be steel
assemblies that swivel to the final installation angle and utilize two
through bolts to provide proper attachment. Seismic solid brace
assembly shall have anchorage pre-approval "R" Number from OSHPD
in the state of California verifying the maximum certified load ratings.
Solid seismic brace assemblies shall be Type SSB as manufactured by
Mason Industries, Inc.
14. Steel angles, sized to pre-vent buckling, shall be clamped to pipe or
equipment rods utilizing a minimum of three ductile iron clamps at each
restraint location when required. Welding of support rods is not
acceptable. Rod clamp assemblies shall have an Anchorage Pre-
approval "R" Number from OSHPD in the State of California. Rod clamp
assemblies shall be Type SRC as manufactured by Mason Industries,
Inc.
15. Pipe clevis cross bolt braces are required in all restraint locations. They
shall be special purpose performed channels deep enough to be held in
place by bolts passing over the cross bolt. Clevis cross braces shall have
an Anchorage Pre-approval "R"Number from OSHPD in the State of
California. Clevis cross brace shall be Type CCB as manufactured by
Mason Industries, Inc.
16. All-directional seismic snubbers shall consist of interlocking steel
members restrained by a one-piece molded neoprene bushing of bridge
bearing neoprene. Bushing shall be replaceable and a minimum of 1/4
in. thick. Rated loadings shall not exceed 1000 psi. A minimum air gap
of 1/8 in. shall be incorporated in the snubber design in all directions
before contact is made between the rigid and resilient surfaces. Snubber
end caps shall be removable t allow inspection of internal clearances.
Neoprene bushings shall be rotated to insure no short circuits exist
before systems are activated. Snubbers shall have an Anchorage Pre-
approval "R" Number from OSHPD in the State of California verifying the
maximum certified horizontal and vertical load ratings. Snubber shall be
Type Z-1225 as manufactured by Mason Industries, Inc.
17. All directional seismic snubbers shall consist of interlocking steel
members restrained by shock absorbent rubber materials compounded
to bridge bearing Specifications. Elastomeric materials shall be
replaceable and a minimum of 3/4 in. thick. Rated loadings shall not
exceed 1000 psi. Snubbers shall be manufactured with air gap between
hard and resilient material of nor less than 1/8 in. nor more than 1/4 in.
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7. Spring mountings as in Specification 5 built into a ductile iron or steel
housing to provide all directional seismic snubbing. The snubber shall be
adjustable vertically and allow a maximum if 1/4 in. travel in all directions
before contacting the resilient snubbing collars. Mountings shall have an
Anchorage Pre-approval "R" Number from OSHPD in the State of
California verifying the maximum certified horizontal and vertical load
ratings. Mountings shall be SSLFH as manufactured by Mason
Industries, Inc.
8. Air Springs shall be manufactured with upper and lower steel sections
connected by a replaceable flexible nylon reinforced neoprene element.
Air spring configuration shall be multiple bellows to achieve a maximum
natural frequency of 3 Hz. Air Springs shall be designed for a burst
pressure that is a minimum of three times the published maximum
operating pressure. All air spring systems shall be connected to either
the building control air or a supplementary air supply and equipped with
three (3) leveling valves to maintain leveling within plus or minus 1/8in.
Submittals shall include natural frequency, load, and damping tests
performed by an independent lab or acoustician. Air Springs shall be
Type MT and leveling valves Type LV as manufactured by Mason
Industries, Inc.
9. Restrained air spring mountings shall have a MT air spring as described
in Specification 8, within a rigid housing that includes vertical limit stops
to prevent air spring extension when weight is removed. The housing
shall serve as blocking during erection. A steel spacer shall be removed
after adjustment. Installed and operating heights are equal. A minimum
clearance of 1.2 in. shall be maintained around restraining bolts and
between the housing and the air spring action. Limit stops shall be out of
contact during normal operation. Housing shall be designed to resist all
seismic forces. Mountings shall be SLR-MT as manufactured by Mason
Industries, Inc.
10. Hangers shall consist of rigid steel frames containing minimum 1-1/4 in.
thick neoprene elements at the top and a steel spring with general
characteristics as in Specification 5 seated in a steel washer reinforced
neoprene cup on the bottom. The neoprene element and the cup shall
have neoprene bushings projecting through the steel box. To maintain
stability the boxes shall not be articulated as clevis hangers or the
neoprene element stacked on top of the spring. Spring diameters and
hanger box lower hole sizes shall be large enough to permit the hanger
rod to swing through a 30°arc from side to side before contacting the rod
bushing and short circuiting the spring. Submittals shall include a hanger
Drawing showing the 300 capability. Hangers shall be Type 30N as
manufactured by Mason Industries, Inc.
11. Hangers shall be as described in 10, but they shall be pre-compressed
and locked at the rated deflection by means of a resilient seismic upstop
to keep the piping or equipment at a fixed elevation during installation.
The hangers shall be designed with a release mechanism to free the
spring after the installation is complete and the hanger is subjected to its
full load. Deflection shall be clearly indicated by means of a scale.
Submittals shall include a Drawing of the hanger showing the 30 degree
capability. Hangers shall be Type PC30N as manufactured by Mason
Industries, Inc.
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Load distribution plates shall be used as required. Pads shall be Type
Super"W" as manufactured by Mason Industries, Inc.
2. Bridge-bearing neoprene mountings shall have a minimum static
deflection of 0.2 in. and all directional seismic capability. The mount shall
consist of a ductile iron casting containing two separated and opposing
molded neoprene elements. The elements shall prevent the central
threaded sleeve and attachment bolt from contacting the casting during
normal operation. The shock absorbing neoprene materials shall be
compounded to bridge-bearing Specifications. Mountings shall have an
Anchorage Pre-approval "R" Number from OSHPD in the State of
California verifying the maximum certified horizontal and vertical load
ratings. Mountings shall be Type BR as manufactured by Mason
Industries, Inc.
3. Sheet metal panels shall be bolted to the walls or supporting structure by
assemblies consisting of a neoprene bushing cushioned between 2 steel
sleeves. The outer sleeve prevents the sheet metal from cutting into the
neoprene. Enlarge panel holes as required. Neoprene elements pass
over the bushing to cushion the back panel horizontally. A steel disc
covers the inside neoprene element and the inner steel sleeve is
elongated to act as a stop so tightening the anchor bolts does not
interfere with panel isolation in three (3) planes. Bushing assemblies can
be applied to the ends of steel cross members where applicable. All
assemblies shall be Type PB as manufactured by Mason Industries, Inc.
4. A one piece molded bridge bearing neoprene washer/bushing. The
bushing shall surround the anchor bolt and have a flat face to avoid metal
to metal contact. Neoprene bushings shall be Type HG as manufactured
by Mason Industries, Inc.
5. Spring isolators shall be free standing, laterally stable without any
housing, and complete with a molded neoprene cup or 1/4 in. neoprene
acoustical friction pad between the baseplate and the support. All
mountings shall have leveling bolts that must be rigidly bolted to the
equipment. Spring diameters shall be no less than 0.8 if the compressed
height of the spring at rated load. Springs shall have a minimum
additional travel to solid equal to 50% of the rated deflection. Submittals
shall include spring diameters, deflection, compressed spring height and
solid spring height. Mountings shall be Type SLF as manufactured by
Mason Industries, Inc.
6. Restrained spring mountings shall have an SLF mounting as described in
Specification 5, within a rigid housing that includes vertical limit stops to
prevent spring extension when weight is removed. The housing shall
serve as blocking during erection. A steel spacer shall be removed after
adjustment. Installed and operating heights are equal. A minimum
clearance of 1/2 in. shall be maintained around restraining bolts and
between the housing and the spring so as not to interfere with the spring
action. Limit stops shall be out of contact during normal operation. Since
housings will be bolted or welded in position there must be an internal
isolation pad. Housing shall be designed to resist all seismic forces.
Mountings shall have Anchorage Pre-approval "R" Number from OSHPD
in the state of California certifying the maximum certified horizontal and
vertical load ratings. Mountings shall be SLR as manufactured by Mason
Industries, Inc.
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a. Contractor shall supply supplementary support steel for all
equipment, piping, ductwork, etc. including roof mounted
equipment, as required or specified.
3. Attachments:
a. Contractor shall supply restraint attachment plates cast into
housekeeping pads, concrete inserts, double-sided beam
clamps, etc. in accordance with the requirements of the vibration
vendor's calculations.
H. Seismic Force Levels
1. The following force levels will be used on this project.
Minimum "G" Forces Equal to or Exceeding Building Code Listed in E.
Building "G" Force "G" Force "G" Force "G" Force For
Code for all pipes, Duct & for Rigidity for Flexibility Life Safety
Conduit Mounted Mounted Equipment Either
Equipment Equipment Rigidity or
Flexibility Mounted
Zone Horiz. Vert. Horiz. Vert. Horiz. Vert. Horiz. Vert.
UBC "
BOCA .25 .08 0.4 0.15 0.1 0.15 0.6 0.2
SBCCI
I. Product Intent:
1. All vibration isolators and seismic restraints described in this section shall
be the product of a single manufacturer. Mason Industry's products are
the basis of these Specifications; products of other manufacturers are
acceptable provided their systems strictly comply with the Specifications
and have the approval of the specifying engineer. Submittals and
certification sheets shall be in accordance with Section D.
2. For the purposes of this project, failure is defined as the discontinuance
of any attachment point between equipment or structure, vertical
permanent deformation greater than 1/8 in. and/or horizontal permanent
deformation greater than 1/4 in.
J. Product Description: Vibration Isolators and Seismic Restraints:
1. Two (2) layers of 3/4 in. thick neoprene pad consisting of 2 in. square
waffle modules separated horizontally by a 16 gauge galvanized shim.
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both shear and tensile loads as well as one test or
analysis at 450 to the weakest mode.
(3) Analysis must indicate calculated dead loads, static
seismic loads, and capacity of materials utilized for
connections to equipment and structure. Analysis must
detail anchoring methods, bolt diameter, embedment,
and/or welded length. All seismic restraint devices shall
be designed to accept, without failure, the forces detailed
in Section H acting through the equipment center of
gravity. Overturning moments may exceed forces at
ground level.
E. Code and Standards Requirements:
1. Typical Applicable Codes and Standards - most recent or enforced code:
a. Massachusetts State Building Code.
b. BOCA National Mechanical Code.
C. NFPA 90A.
F. Manufacturer's Responsibility:
1. Manufacturer of vibration isolation and seismic control equipment shall
have the following responsibilities:
a. Determine vibration isolation and seismic restraint sizes and
locations.
b. Provide vibration isolation and seismic restraints as scheduled or
specified.
C. Provide calculations and materials if required for restraint of un-
isolated equipment.
d. Provide installation instructions, drawings, and trained field
supervision to insure proper installation and performance.
G. Related Work:
1. Housekeeping Pads:
a. Housekeeping pad reinforcement and monolithic pad attachment
to the structure details and design shall be prepares by the
restraint vendor if not already indicated on the Drawings.
b. Housekeeping pads shall be coordinated with restraint vendor
and sized to provide a minimum edge distance of ten (10) bolt
diameters all around the outermost anchor bolt to allow
development of full drill-in wedge anchor ratings. If cast-in
anchors are to be used, the housekeeping pads shall be sized to
accommodate the ACI requirements for bolt coverage and
embedment.
2. Supplementary Support Steel:
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D. Manufacturer's Data:
1. The manufacturer of vibration isolation and seismic restraints shall
provide submittals for products as follows:
a. Descriptive Data:
(1) Catalog cuts or data sheets on vibration isolators and
specific restraints detailing compliance with the
Specification.
(2) Detailed schedules of flexible and rigidly mounted
equipment, showing vibration isolators and seismic
restraints by referencing numbered descriptive Drawings.
b. Shop Drawings:
(1) Submit fabrication details for equipment bases including
dimensions, structural member sizes and support point
locations.
(2) Provide all details of suspension and support for ceiling
hung equipment.
(3) Where walls, floors, slabs or supplementary steel work
are used for seismic restraint locations, details of
acceptable attachment methods for ducts, conduit and
pipe must be included and approved before the condition
is accepted for installation. Restraint manufacturer's
submittals must include spacing, static loads and seismic
loads at all attachment and support points.
(4) Provide specific details of seismic restraints and
anchors; include number, size, and locations for each
piece of equipment.
C. Seismic Certification and Analysis:
(1) Seismic restraint calculations must be provided for all
connections of equipment to the structure. Calculations
must be stamped by a registered professional engineer
with at least five years of seismic design experience,
licensed in the state of the job location.
(2) All restraining devices shall have a pre-approval number
from California OSHPD or some other recognized
government agency showing maximum restraint ratings.
Pre-approvals based on independent testing are
preferred to approvals based on calculations. Where
pre-approved devices are not available, submittals based
on independent testing are preferred. Calculations
(including the combining of tensile and shear loadings) to
support seismic restraint designs must be stamped by a
registered professional engineer with at least five years
of seismic design experience and licensed in the state of
the job location. Testing and calculations must include
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Air Separators Fans (all types)
Boilers Heat Exchangers
Cabinet Heaters Piping
Chillers Pumps (all types)
Compressors Rooftop Units
Comp. Room Units Tanks (all types)
Condensers
C. Definitions:
1. Life Safety Systems
a. All systems involved with fire protection including sprinkler piping,
fire pumps, jockey pumps, fire pump control panels, service
water supply piping, water tanks, fire dampers and smoke
systems.
b. All systems involved with and/or connected to emergency power
supply including all generators, transfer switches, transformers,
and all flowpaths to fire protection and/or emergency lighting
systems.
C. All medical and life support systems.
d. Fresh air relief systems on emergency control sequence
including air handlers, conduit, duct, dampers, etc.
e. All life safety equipment has an asterisk on the equipment
schedule.
2. Positive Attachment:
a. A positive attachment is defined as a cast-in anchor, a drill-in
wedge anchor, a double-sided beam clamp loaded perpendicular
to a beam, or a welded or bolted connection to structure. Single
sided "C" type beam clamps for support rods of overhead piping,
ductwork, or any other equipment are not acceptable on this
project as seismic anchor points.
3. Transverse Bracing:
a. Restraint(s) applied to limit motion perpendicular to the centerline
of the pipe, duct, or conduit.
4. Longitudinal Bracing:
a. Restraint(s) applied to limit motion parallel to the centerline of the
pipe, duct, or conduit.
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d. Momentary contact "TEST" push button on cover for each pump.
e. Numbered terminal strip.
f. Disconnect switch.
g. Fused transformer for control circuit.
h. Auxiliary contacts and float switches for high condensate level alarm.
2.20 VIBRATION AND SEISMIC CONTROL
A. Intent:
1. All mechanical equipment, piping and ductwork as noted on the equipment
schedule or in the Specification shall be mounted on vibration isolators and with
flexible connections to prevent the transmission of vibration and mechanically
transmitted sound to the building structure. Vibration isolators shall be selected in
accordance with the weight distribution so as to produce reasonably uniform
deflections.
2. All isolators and isolation materials shall be of the same manufacturer and shall
be certified by the manufacturer.
3. It is the intent of the seismic portion of Specification to keep all mechanical
building system components in place during a seismic event.
4. All such systems must be installed in strict accordance with seismic codes,
component manufacturer's, and building construction standards. Whenever a
conflict occurs between the manufacturers or construction standards, the most
stringent shall apply.
5. This Specification is considered to be minimum requirements for seismic
consideration and is not intended as a substitute for legislated, more stringent,
national, state or local construction requirements (i.e. California Title 24,
California OSHPD, Canadian Building Codes, or other requirements).
6. The Contractor shall correct any variance or non-compliance with these
Specification requirements in an approved manner.
7. Seismic restraints shall be designed in accordance with seismic force levels as
detailed in Section H.
B. The work in this Section includes, but is not limited to, the following:
1. Vibration isolation for piping, ductwork and
equipment.
2. Equipment isolation bases.
3. Flexible piping connections.
4. Seismic restraints for isolated equipment.
5. Seismic restraints for non-isolated
equipment.
6. Certification of seismic restraint designs and installation supervision.
7. Certification of seismic attachment of housekeeping
pads.
8. All mechanical systems: Equipment buried underground is excluded but
entry of services through the foundation wall is included. Equipment
referred to below is typical. (Equipment not listed is still included in this
Specification).
AC Units Condensing Units
Air Distrib. Boxes Ductwork
Air Handling Units Unit Heaters
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F. Tubesheet Materials: Steel tubesheets.
G. Baffles: Steel.
H. Piping Connections:
1. Shell: Flanged (larger sizes)/threaded (smaller sizes) inlet and outlet fluid
connections, threaded drain, and vent connections.
2. Head: Flanged inlet and outlet fluid connections for larger sizes, threaded for
smaller.
I. Support Saddles:
1. Fabricated of material similar to shell.
2. Foot mount with provision for anchoring to support.
3. Fabricate attachment of saddle supports to pressure vessel with reinforcement
strong enough to resist heat-exchanger movement during a seismic
event when heat-exchanger saddles are anchored to building structure.
2.19 STEAM CONDENSATE PUMPS
A. Configuration: Duplex floor-mounting pumps with receiver and float switches; rated to
pump minimum 210 deg F steam condensate.
1. Manufacturers:
a. Domestic Pump; Div. of ITT Industries.
b. Skidmore Div.; Vent-Rite Valve Corp.
C. Federal Pump Corp.
2. Receiver: Floor-mounting, close-grained cast iron; externally adjustable float
switches; with water-level gage, steam condensate thermometer, discharge-
pressure gage for each pump, bronze gate valves between receiver and pumps,
flanges for pump mounting, and lifting eyebolts.
3. Inlet Strainer: Cast iron with self-cleaning bronze screen, dirt pocket, and
cleanout plug on receiver inlet.
4. Pumps: Centrifugal, close coupled, vertical design, permanently aligned, and
bronze fitted; with replaceable bronze case rings, stainless-steel shafts, and
mechanical seals; mounted on receiver flanges; rated to operate with a minimum
of 2 feet of NPSH.
5. Control Panel: NEMA 250, Type 2 enclosure with hinged door and grounding lug,
mounted on pump; factory wired for single external electrical connection; and with
the following components within cabinet:
a. Motor controller for each pump.
b. Electrical pump alternator to operate pumps in lead-lag sequence and
allow both pumps to operate on receiver high level.
C. Manual lead-lag control to override electrical pump alternator to manually
select the lead pump.
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Section II, Part C,ASME Boiler and Pressure Vessel Code for welding materials.
18. Soldering Materials: Except as otherwise indicated, provide soldering materials as
determined by Installer to comply with installation requirements.
19. Brazing Materials: Except as otherwise indicated, provide brazing materials as
determined by Installer to comply with installation requirements. Comply with
SFA-5.8, Section II, ASME Boiler and Pressure Vessel Code for brazing filler metal
materials.
20. Gaskets for Flanged Joints: ANSI B16.21; full-faced for cast-iron flanges; raised-
face for steel flanges, unless otherwise indicated.
21. Note: Grooved piping will NOT be allowed.
2.16 STRAINERS
A. Pipeline strainers shall be full size, iron body, "Y" pattern and shall be installed on the inlet
side of each steam trap, and elsewhere as indicated on the Drawings. Strainers 2" and
smaller shall have screwed ends; 2-1/2"and larger shall have flanged ends.
B. Strainers for steam and condensate systems over 50 psig. shall be 250 lb. class. Strainers
for other systems shall be 125 lb. class. Strainers shall be Illinois, Barnes and Jones,
Armstrong, or equal, and shall be so installed as to permit ready removal of basket. Each
strainer 2-1/2"and larger shall be provided with hose end globe valve on blow-off.
2.17 ACCESS PANELS
A. Furnish and install access panels at all valves, volume dampers, tec. installed above
plastered ceilings, in walls, and all other non-accessible spaces. Access panels in plastered
ceilings shall be Karp Type DSC-214 PL (12"x 12"); access panels in walls shall be Karp
type DSC-211 "Universal' (12"x 12").
2.18 SHELL-AND-TUBE HEAT EXCHANGERS
A. Manufacturers:
1. API Heat Transfer Inc.
2. Armstrong Pumps, Inc.
3. ITT Industries; Bell &Gossett.
4. Taco, Inc.
B. Configuration: U-tube with removable bundle.
C. Shell Materials: Steel.
D. Head:
1. Materials: Cast iron.
2. Flanged and bolted to shell.
E. Tube:
1. Seamless copper tubes.
2. Tube diameter is determined by manufacturer based on service.
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2. All piping shall have manufacturer's name or trademark rolled into each and every
length of pipe.
3. All threads for screwed joints shall be National Taper Pipe Thread conforming to
ANSI B2.1-1968.
4. Qualify welding procedures, welders and operators in accordance with ASME
B31.1, or ASME B31.9, as applicable, for shop and project site welding of piping
work.
B. Application
1. Hot Water, Chilled Water, Dual-Temperature Heating/Cooling Water, Steam,
Steam Condensate Return and Pumped Steam Condensate Return: Black steel
pipe, Schedule 40, size 2" and smaller threaded, 2-1/2" and larger welded, or Type
"L"copper for hot water.
C. Materials
1. Black Steel Pipe : ASTM A53, A106 or A120; except comply with ASTM A53 or
A106 where close coiling or bending is required.
2. Malleable-Iron Threaded Fittings: ANSI B16.3; plain or galvanized as indicated.
Class 150 for Schedule 40 piping, Class 300 for Schedule 80.
3. Yoloy Steel Pipe: ASTM A714; Class 4; Grade IV.
4. Steel Flanges/Fittings: ANSI B16.5, including bolting and gasketing of the following
material group, end connection and facing except as otherwise indicated, Class 150
for Schedule 40 piping, Class 300 for Schedule 80.
a. Material Group: Group 1.1
b. End Connections: Buttwelding
C. Facings: Raised-face
5. Wrought-Steel Buttwelding Fittings: ANSI B16.9, except ANSI B16.28 for short-
radius elbows and returns; rated to match connected pipe.
6. Yoloy Steel Buttwelding Fittings: ASTM A714.
7. Forged Branch Connection Fittings: Except as otherwise indicated, provide type as
determined by Installer to comply with installation requirements, Bonney"Weldolets"
or"Threadolets", or equal.
8. Pipe Nipples: Fabricated from same pipe as used for connected pipe; except do
not use less than Schedule 80 pipe where length remaining unthreaded is less than
1-1/2" and where pipe size is less than 1-1/2", and do not thread nipples full length
(no close-nipples).
9. Copper Tube: ASTM B88; Type as indicated for each service; hard-drawn temper
for water piping; soft temper for oil piping.
10. DWV Copper Tube: ASTM 8306.
11. ACR Copper Tube: ASTM 8280.
12. Wrought-Copper Solder-Joint Fittings: ANSI 616.22.
13. Cast-Copper Solder-Joint Drainage Fittings: ANSI 1316.23.
14. Wrought-Copper Solder-Joint Drainage Fittings: ANSI 816.29.
15. Red Brass Pipe: ASTM B43.
16. Cast-Bronze Threaded Fittings: ANSI 1316.15.
17. Welding Materials: Except as otherwise indicated, provide welding materials as
determined by Installer to comply with installation requirements. Comply with
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Gustin-Bacon, Manville, or other approved equal.
7. All heating hot water, steam and condensate return and make up water piping shall
be insulated with fiberglass pipe insulation with an all service jacket, or approved
equal. All pex tubing shall be insulated with '/2 inch Armaflex insulation. The
insulation shall have an average thermal conductivity not to exceed .25 BTU in. per
sq. ft. per F. per hour at a mean temperature of 75 degrees F. Thickness of the
insulation shall be as scheduled below. The insulation shall be applied over clean
dry pipe with all joints firmly together. Longitudinal jacket laps and the butt strips
shall be smoothly secured with Benjamin Foster 85-20 adhesive.
8. Insulation of all steam, condensate return and pumped steam condensate return
piping shall be fiberglass with jacketed cover,thickness to be as listed below.
G. Insulation thickness shall be as follows:
Minimum Pipe Insulation Required:
1. Heating Hot Water:
a. Runouts up to 2 in.: 1-1/2 in.thickness
b. Mains 1 in. and less: 1-1/2 in.thickness
C. Mains 1-1/4 in.to 2 in.: 2 in.thickness
d. Mains 2'/2"and larder: 2 in.thickness
2. Equipment:
a. Air separators: 3/4 in. armaflex.
b. Expansion tanks: 3/4 in. armaflex.
C. Steam-to-Water Heat Exchangers: 3"fiberglass with PVC jacket..
d. Steam flash tanks: 3"fiberglass with PVC jacket.
3. Low Pressure Steam and Condensate Return (15 psig and below):
a. Run outs up to 2 in.: 1 '/2 in.thickness
b. Mains 1 '/2"or less: 1 1/2 in.thickness
C. Mains 2 in.to 6 in.: 3 in.thickness
4. Medium and High Pressure Steam and Condensate Return (16 psig to 125 psig):
a. Mains 1 1/4"or less:2'/2 in.thickness
b. Mains 1 '/2 in.to 3 in.: 3 in. thickness
5. Drains and vents from hot water, steam and condensate return systems:
a. All sizes:: 1 '/2 in.thickness
2.15 PIPE AND FITTINGS
A. General
1. Reference is made to specifications of recognized authorities to establish quality.
Latest editions of their publications at time of bidding shall be in force.
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D. Fan shall be selected for quiet operation and shall be factory balanced.
E. Motor shall have electrical characteristics as shown on Drawings. Motor shall be equipped
with permanent lubricated bearings.
F. Horizontal units shall be equipped with horizontal and vertical adjustable discharge louvers.
G. Unit heaters shall be Vulcan, Modine,Trane,AAF, or equal, as shown on Drawings.
2.14 INSULATION
A. All new air supply and outdoor air ducts shall be insulated. Insulation for concealed ducts
shall be 1-1/2 in. thick, 1 pound density glass fiber (flexible) duct insulation with factory
applied reinforced aluminum foil jacket equal to Manville Type FSK. Secure to duct with
Benjamin Foster No. 85-20 adhesive. Lap jacket 2 in. at all seams and secure flaps with
staples and adhesive to provide complete vapor barrier. In addition, this concealed duct
insulation shall be tied 18 in. o.c. with 18 gauge aluminum or copper wire where ducts
exceed 24 in. in width.
B. All concealed air ducts from the outdoor air intakes to the air handling units shall be
insulated in the same manner as for the ductwork for concealed supply ducts.
C. All exposed supply and exhaust ducts in the attic shall be insulated with 3 in. thick, 6 pound
density, rigid glass fiberboard with Manville Type EAF vaporseal facing. Attach board to
ducts with double prong stick clips. Seal at joints to maintain vapor barrier. All edges and
angles shall be reinforced with corner beads. Finish shall consist of tackboard of Benjamin
Foster No. 30-36 Sealfas, embedded Manville Duramesh 205, and a heavy finish coat of
Benjamin Foster No. 30-35 Sealfas, all applied according to manufacturer's
recommendations.
D. Pipe Insulation: New piping in all locations shall be insulated.
1. All insulation including covering shall be fire resistant and fire retardant and shall
have a flame spread rating not exceeding 25, smoke developed rating not
exceeding 50, all complying with NFPA 225 and/or U.L. 723. Adhesives used for
applying and sealing jackets shall also conform to these same fire retardant and
smoke ratings.
2. On exposed insulation, all longitudinal seams shall be kept at the top of the pipe and
circumferential joints shall be kept to a minimum. Raw ends of insulation shall be
concealed by neatly folding in the ends of the jackets. Fittings, valve bodies, and
flanges shall be furnished with the same jacket materials used on adjoining insula-
tion.
3. Covering shall not be applied until all parts of the work have been tested by the
Contractor and approved by the Engineer.
4. A vapor barrier shall be installed on all new hot water, condensate drains, make-up
water and steam and condensate piping. It shall be applied in accordance with the
manufacturer's instructions to maintain the integrity of the vapor barrier.
5. Attention is called for to the fact that on all hot water, steam and condenser,
oversized pipe hangers shall be furnished and pipe insulation shall be applied
continuous along the pipe passing inside the hanger.
6. Pipe insulation shall be closed cell Armaflex insulation as manufactured by
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I. Pump Suction Diffusers
1. Furnish and install at each pump a suction diffuser of the size and type required.
Suction diffusers shall be Bell &Gossett,Armstrong,Taco, or approved equal.
2. Units shall consist of angle type body with inlet valves combination
diffuser-strainer-orifice cylinder with 3/16 in. diameter openings for pump protection.
A permanent magnet shall be located within the flow stream and shall be
removable for cleaning. The orifice cylinder shall be equipped with a disposable
fine mesh strainer which shall be removed after system start-up. The orifice cylin-
der shall be designed to withstand a pressure differential equal to pump shut-off
head and shall have a free area equal to five times the cross section area of the
pump suction opening. Valve length shall be no less than 2-1/2 times the pump
connection diameter. The units shall be provided with adjustable support foot to
carry the weight of the suction piping.
2.12 HANGERS
A. Hangers shall be as manufactured by Grinnell Company, Carpenter & Paterson, Fee &
Mason, or equal.
B. For all pipe 2-1/2" and larger- Grinnell Figure No. 20, at 10' intervals.
C. For all other suspended piping -Grinnell Figure 70 at 6' intervals for tubing 1-1/4"or less, 10'
intervals for piping at 1-1/2" and larger.
D. All hangers directly in contact with non-ferrous pipe or tubing shall be copper plated or
plastic coated.
E. Hangers or supports shall be placed within 1' of each horizontal elbow. Vertical runs of pipe
not over 5' in length shall be supported on hangers placed not over 12" from the elbow on
the connecting horizontal run.
F. Install Figure 167 insulation shield between hanger and insulation on all piping; hangers to
be installed outside pipe insulation.
G. Vertical risers shall be supported with Grinnell Figure CT-121C plastic coated riser clamp; to
be installed immediately below a coupling.
2.13 UNIT HEATERS
A. Unit heaters shall be of the vertical and horizontal blow-through propeller fan type with hot
water heating coil. Capacity shall be as shown on the Drawings.
B. Casing shall be constructed of heavy gauge furniture steel. It shall be phosphatized and
completely dip painted with a heavy duty baked enamel.
C. Coil shall be constructed on a single serpentine copper tube. Aluminum fins shall be
mechanically attached to the coil by expansion. All connections and U-bends shall be
electrically induction-brazed to the tube. The coil shall be tested for 100 psi.
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be packed with impregnated asbestos gaskets placed inside the bolt circle with graphite
applied to both faces.
C. Dielectric unions shall be provided between ferrous and non-ferrous piping to prevent
galvanic corrosion. The dielectric unions shall meet the requirements for tensile strength of
pipe fittings in accordance with Federal Specification WW-U-531 and shall be suitable for
temperatures and pressures encountered. The ends shall be threaded, flanged, brazed, or
soldered to match adjacent piping. The metal parts of the union shall be separated so that
the electrical current is below I percent of the galvanic current which would exist with metal
to metal contact.
2.10 PIPE SLEEVES
A. Standard IPS steel or wrought iron sleeves shall be provided wherever exposed pipes pass
through masonry walls or partitions. Pipe sleeves are to be two pipe sizes larger than line
size. Insulated piping sleeves shall be sized to allow insulation to pass through the sleeve
without gouging.
2.11 HOT WATER SPECIALTIES AND VALVES
A. Expansion tank fitting shall be Taco"Taco-Trot" No.438.
B. Tank drainer shall have drain body with air vent tube, Taco No. 440, with hose end drain
valve. Pipe with auxiliary drain to within 6 ft. 0 in. of finish floor.
C. Air removal fitting shall be in-line type, welded steel, with internal circuiting causing entrained
air to be separated from the water. To be Spiro Vent "Air Separator", line size, with drain
valve and strainer. No substitutions will be allowed.
D. Expansion tank shall be size as noted on Drawings, all steel,A.S.M.E. construction
E. Equivalent products for items A through C as manufactured by Bell & Gossett, Amtrol, or
equal will be approved.
F. Air Vents: Air vents shall be provided where shown and at all other high points, where
shown or not. Vents shall be of the manual type and shall be full line size, but in no case
shall they be less than 2 in. steel pipe. Chambers shall be a minimum of 12 in. high. Drain
tubing shall be extended in such a manner that the globe valve and end of drain line are
readily accessible. Air vents for radiation shall be installed in the return side of each loop of
radiation before piping drops down to return main. These vents to be key or screw type
equal to Dole or Taco.
G. Automatic Make-Up Water Valve: Provide with three valve bypass for water system shall be
Bell &Gossett, Cash,Taco, or Watts equal to Bell&Gossett No. B-3 Reducing Valve set for
approximately 60 psig inlet and 21 psig outlet, field adjustable. Install backflow preventer
piped to drain in inlet to automatic valve. Bypass to be 1 in. size with globe valve and one
check valve in series. Strainers shall be as specified in other paragraphs of this Section of
the Specifications.
H. Furnish and install all temperature - pressure relief valves for all hot water heater systems.
All to be ASME rated and similar to that manufactured by WATTS.
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above the floor.
H. Balance and/or shut-off valves 2-1/2 in. and 3 in. sizes - Tour & Anderson Series STAF,
lever operated, faced plug, neoprene seat, semi-steel body with stainless steel or bronze top
and bottom bushings, 150 psig working pressure, Figure 118. Provide open position stops
for all valves.
I. For 2 in. and smaller- Balancing valves shall be Tour& Anderson Figure STAD or STA-D,
semi-steel body, bronze plug with neoprene or Teflon resilient face, bronze top and bottom
bushings, complete with lever. Provide open position stop and plastic cap on all valves
which are labeled "Balance Valves" on the Drawings. All valves at fan coil unit shall be
furnished with drain kit.
J. Pump discharge check valves shall be Muessco, Williams & Hager, or Smolensky equal to
Muessco 105-DT silent type, steel body, stainless steel trim and spring, renewable seat, 150
psig ASME rated.
2.07 THERMOMETERS
A. Thermometers shall be Moeller, Palmer, Taylor, Trerice or Weiss, equal to Taylor
30EJ31009 with aluminum case, industrial glass, red reading mercury, 9" scale length, 2°F
subdivisions. Stem length shall be sufficient to assure accurate and fast response but in no
case less than 3-1/2" nor less than one-third of pipe diameter in which installed. Each
thermometer shall be provided with a brass, monel, or stainless steel separable socket of
matching length, and with lagging extension when installed in insulated pipe. Thermometers
shall be adjustable angle type, positioned as required to be easily seen and read from
normal operator's position.
B. Ranges shall be manufacturer's standard closest to the following:
1. Hot water heating system: 25-240°F
2.08 PRESSURE GAUGES
A. Gauges shall be Ashcroft, Marsh, U.S. Gauge Company or Trerice equal to Ashcroft
"Quality" line gauges, Grade A, 1%accuracy. Each gauge shall be installed with a pulsation
damper(Ashcroft#1106B) and a brass lever handle gauge cock(Ashcroft#1095).
B. Model number, size and range to be as follows:
1. Ashcroft - #1018, 3-1/2" dial, red tipped pointer with scale range such that normal
operating pressure is approximately at mid-scale.
2.09 UNIONS
A. Unions shall be of the same class and material as the pipe and fittings of the system in
which they are installed. In black steel piping systems, they shall be 200 lb. black malleable
iron with brass ground joint equal to Dart Figures 0832, 0834, 0835, 0836 or 0838. In
copper and brass piping, they shall be 125 lb. bronze or brass with ground joint.
B. Flanged unions for welded pipe shall be weld neck, 150 lb. raised face. Flanged joints shall
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B. Pumps shall be of the vertically split case type making possible complete servicing without
breaking piping connections. The pump shall use a mechanical rotating type carbon seal
and shall face against a ceramic seat.
C. Motor shall be drip proof, 1,750 rpm and shall be especially selected for quiet operation.
The horsepower of the motor shall be of such a size as to insure non-overloading of the
motor throughout the pump curve without the use of motor service factor. Pump motors
shall be premium efficiency.
D. Pumps shall be Grundfos Series L. No substitutions will be allowed.
2.06 VALVES
A. All valves shall be of the same make except as noted below for special valves and shall be
Crane, Watts,Walworth, or Tour&Anderson manufacture based on the following Stockham
valves. All ball valves shall be Watts, and all balancing valves shall be Tour and
Anderson. No substitutions will be allowed.
B. All water valves installed in copper tube piping shall be, in general, solder end pattern, all
bronze with iron hand wheel, rated for not less than 200 pounds non-shock water pressure.
In general, all line service valves are to be gate valves, manual vents are to be globe type.
C. Solder end valves are as follows:
1. Gate Valves-Stockham Figure B-109.
2. Globe Valves-Stockham B-1 4T.
3. Check Valves-Stockham B-309.
4. Drain Valves -Watts No. B-6000 ball valve with hose adapter, cap and chain.
5. Ball Valves-Watts Series B-6001-SS-XH.
D. Screw end and flanged valves shall be as follows:
1. Gate: 2-1/2 in. and smaller - Stockham Figure B-120; 3 in. and larger - Stockham
Figure G-620 or G-623.
2. Globe: 2-1/2 in. and smaller - Stockham Figure B-120 or 752; 3 in. and larger -
Stockham Figure G-609 or G-613.
3. Check: 2-1/2 in. and smaller- Stockham Figure B-319; 3 in. and larger- Stockham
Figure G-931.
4. Ball Valves: Watts Series 600-SS-SH.
E. All shut-off valves 2-1/2 in. and larger shall be Watts Series G-4000, cast iron body, 316,
steel disc and shaft, Nordel EPT seat, designed for bubbletight shutoff. Valves to be fitted
with lever operator for two position operation.
F. Gate and/or globe valves shall not be used as substitutes for the following valves when used
as balance valves.
G. Balance and/or shut-off valves 4 in. and larger - Tour & Anderson Series STAF, neoprene
seat, semi-steel body, with stainless steel or bronze top and bottom bushings, 150 psig
working pressure, 125 pound ANSI flanges, Figure 101F or 118F, G6-H12. Provide open
position stop on all valves. Provide hand operators for all valves which are 6 ft. or more
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as indicated in the drawings and schedules. The wall hung heating panel radiation shall
be of one-piece all-welded steel construction, consisting of flattened water tubes welded
to headers at each end. The radiator shall include an integral heavy gauge (0.09"
minimum) all-welded perforated top grille (for curved radiators the grille is omitted). RF
models to have steel corrugated fins welded to the rear side of the water tubes to
increase the convective output of the unit. There shall be no less than 32 fins per foot.
Fins shall start within 1" of the headers, and shall be spot-welded three times per tube.
B. The headers shall include all necessary inlet, outlet and vent connections as required.
Standard connection sizes are 1/2" NPT tapered thread for supply and return piping, and
1/8" for the vent connection. Internal baffling is provided where required for proper water
flow.
C. The radiant heating panels shall be available in lengths from 2'-0" to 29'-6" in two inch
even increments without the need for splicing. The panel radiation shall be capable of
being mounted to typical stud wall construction without additional blocking or strapping.
Appropriate wall mounting brackets or optional pedestals shall be provided with the
radiation as required.
D. Pressure ratings for the radiation, as indicated in the HVAC schedules, shall be as
follows:
1. STANDARD: Working pressure-56 PSI maximum, Test Pressure-74 PSI
maximum
2. MEDIUM: Working pressure-85 PSI maximum, Test Pressure-110 PSI
maximum
3. HIGH: Working pressure-128 PSI maximum,Test Pressure 184 PSI maximum
E. Panel radiation expansion shall not exceed 1/64" per foot of radiation at 215°F. The
installer shall provide adequate expansion compensation for each radiator.
F. The panel radiation shall be cleaned and phosphatized in preparation for the powder coat
finish. The radiation is then finish painted with a gloss powder coat finish, for a total paint
thickness of 2-3 mils (0.002" -0.003"). The color shall be selected from Runtal's standard
color table.
G. The radiator manufacturer shall provide a sample of the radiator with grille for evaluation
by the Architect/Engineer.
H. Ribbed pipe cover trims, finished to match the radiators shall be provided with the
radiation as required to suit construction.
I. Manufacturer: Subject to compliance with requirements, provide flat tube panel radiation
as manufactured by Runtal North America, Inc. Radson shall be considered an approved
equal.
2.05 CIRCULATING PUMPS(In Line Type)
A. The pumps shall be of the centrifugal in-line coupled type, especially designed and
constructed for quiet operation. Capacity shall be as shown on the Drawings. Pumps shall
be cast iron, bronze fitted.
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1. Furnish and install concealed sensors located in the following areas:
a. Toilets, Halls, Corridors, Lobbies, Entries.
I. Adjustment and Calibration:
1. On completion of the job, the ATC Contractor shall completely calibrate, test, and
adjust, ready for use, all electronic controls, thermostats, valves, damper motors,
and relays provided under his contract and be present for functional tests on
systems. The Building Management System shall be completely checked, test run,
and adjusted.
2. Before the Engineer is asked to witness the functional tests, the entire control and
management system must be complete, controls calibrated. The controlled devices
will be physically inspected and checked to assure that these terminal devices are,
in fact, under proper control and working smoothly over their entire range of
operation.
3. The adjustment procedure shall include the following steps:
a. Preliminary set up and calibration per Specifications and Shop Drawings.
b. Physical checkout of all components for completeness and accuracy,
simultaneously with mechanical system balancing.
C. Review of system with Engineer.
d. Functional test for Owner's benefit, instruction, and acceptance.
e. Not less than 30 or more than 60 days after systems have been in full
operation, review problems with Owner, recheck all adjustments, and
recalibrate as required.
4. The Control Manufacturer shall provide a complete instructional manual covering
the function and operation of all control and management system components on
the job, which shall include a trouble-shooting and operating procedure. This
manual shall be furnished to the Owner's operating personnel and shall show the
total integrated control system. Competent technicians shall be provided for
instruction purposes. The Control Manufacturer shall furnish schematic systems
control diagrams to be delivered to the Owner on AutoCAD disks.
5. Control and management systems shall neither be considered complete nor
acceptable until all conditions of the Sequence of Operation have been attained, all
temperatures are maintained within specified limits of all operating conditions, and
all systems damper leakage of controlled within specified limits.
J. Service and Guarantee:
1. The complete installation, including all equipment, shall be guaranteed free from
defects in workmanship and material for a period of 12 months from date of
acceptance in writing by the Owner. Provide at no cost to the Owner, all necessary
service, adjusting,and checking during the 12 month guarantee period.
2. During warranty period, the ATC Contractor shall update and implement all latest
revisions of software offered by the Contractor that applies to this Project.
2.04 PANEL RADIATORS
A. General: Provide steel panel radiator elements of lengths, locations, capacities and style
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16. Fire Alarm Shutdown (as required) DI (as required)
17. Filter Differential Pressure (3) DI (2)
18. Cooling Condensate High Level Alarm DI
3. Typical Panel Radiator(Pr) Control
a. The space DDC temperature sensor shall cycle the 2-position hot water
control valve to maintain space temperature setpoint (70 degrees F,
adjustable).
b. Space temperature shall be capable of being set-back during the
unoccupied period.
C. Typical Points List:
1. Space Temperature Al
2. Hot Water Valve Command DO
4. Typical Hot Water Unit Heater(Uh) Control
a. The space DDC temperature sensor shall cycle the 2-position hot water
control valve to maintain space temperature setpoint (70 degrees F,
adjustable).
b. A strap-on aquastat shall prevent the fan from operating if there is no hot
water available.
b. Space temperature shall be capable of being set-back during the
unoccupied period.
C. Typical Points List:
1. Space Temperature Al
2. Hot Water Valve Command DO
3. Fan S/S DO
7. Steam Condensate Pump Cp-1 Control
a. Unit pumps shall cycle via factory packaged controls (float actuated) to
return condensate from receiver back to the building condensate
return system. If the lead pump fails, the lag pump shall immediately
start, and alarm to the FMS. The lead/lag control is by factory packaged
controls.
b. BAS shall monitor pump status via current transformers and alarm for
pump failure.
c. Sump level will be monitored by DDC system for high level alarm.
d. Points list:
1. Lead Pump Status DI
2. Lag Pump Status DI
3. High Condensate Level Alarm DI
8. Protective Covers:
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signals from each pressure sensor/transmitter.
Whenever the output from any pressure
sensor/transmitter drops below 10% or rises above 90%
of calibrated range, that pressure sensor/transmitter
signal is locked out of control sequence and an alarm is
indicated at the BAS.
g. AHU discharge air temperature is controlled through the BAS with
temperature sensors.
In. Smoke control:
1. Smoke detectors are located in the supply and exhaust/return
duct of the air handling unit as indicated on the plans.
2. A hardwire auxilliary contact on the fire alarm control panel, upon
detection of smoke in the airstream and/or upon a signal from fire
alarm in the event of alarm within the zone, stops air handling
unit supply and exhaust fans and closes the outside air and
exhaust dampers. All shutdowns shall be hardwired interlocked
and shall not rely on control system programming.
i. BAS shall monitor the intake damper open and closed positions through
damper end switches. In the event the damper closes in a non-alarm
condition, stop supply fan, close outdoor air damper and initiate an alarm
at the BAS.
j. Filter bank differential pressure:
1. The AHU is equipped with three filter banks: 30% supply pre-
filters, 90% supply bag final-filters and 30% exhaust pre-filters. A
pressure differential indicating sensor across the filter banks
shall indicate an alarm at the BAS for high or low pressure
conditions. Provide independent transmitters for each individual
filter bank.
k. Points List:
1. Supply Fan S/S DO
2. Supply Fan Status DI
3. Exhaust Fan S/S DO
4. Exhaust Fan Status DI
5. Outside Air Damper Command DO
6. Outside Air Damper Position DI
7. Exhaust Damper Command DO
8. Exhaust Damper Position DI
9. Enthalpy Wheel Drive Motor S/S DO
10. Enthalpy Wheel Drive Motor Status DI
11. Discharge Air Temperature Al
12. Outside Air Temperature (common) Al
13. Outdoor Air Relative Humidity(common) Al
14. Steam Valve Command AO
15. Low Temperature Thermostat Shutdown DI
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supply fan shall de-energize and the outdoor air and exhaust air
dampers shall close.
e. Unit operation:
1 . The BAS shall index the unit between modes of operation
(occupied/unoccupied) by a time schedule.
2. Unit start/stop shall also be manually selectable through the BAS.
3. Once the unit is indexed into the occupied mode of operation the
supply fan and exhaust fan shall be enabled and the enthalpy
wheel drive motor shall energize. Air handling unit an outside air
damper interlocked with the supply fan and an exhaust damper
interlocked with the exhaust fan. Before either fan is allowed to
start both damper shall be fully open as proven by end switches.
Whenever the fans stop all dampers shall close.
4. If a fan failure occurs at the supply fan, exhaust fan or enthalpy
wheel drive motor, as detected by a current switches at each
motor, the fans are stopped, outside air and exhaust air dampers
shall close, and as alarm is generated at the BAS. This interlock
is disabled for 30 seconds (adjustable) after the unit is initially
commanded to start. Fans are locked out until manually reset
through the BAS.
f. System volume control:
1. System volume control is accomplished by a VFD. Rate of
change of fan speed is adjustable through the BAS.
2. Exhaust fan shall modulate between its minimum and maximum
speed in response to the three (3) space humidistats, one per
floor. At initial start-up the fan shall index to the minimum speed
position. If any of the space relative humidity sensors rises
above 50% RH the exhaust fan speed shall be increased on a
time proportioned basis until the respective space relative
humidity falls below setpoint. Once all space relative humidity
settings fall below setpoint the exhaust fan speed shall be
decreased on a time proportioned basis until it reached its
minimum speed setting.
3. Minimum and maximum VFD speed settings for the exhaust fan
shall be determined in the field by the BAS Contractor and
balancing Contractor.
4. High limit pressure control:
1. The exhaust air suction plenum has a static pressure
sensor/transmitter. If the static pressure falls to -1.25"
w.c. (adjustable), a critical alarm is indicated at the BAS,
the fan speed control is overridden, and the VFD's is
modulated to maintain an average suction pressure of
0.75"w.c. (adjustable).
2. Alarm indication and override control remain in force until
manually reset through the BAS.
3. The BAS continuously monitors and compares pressure
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1. The 1/3 control valve shall modulate open as required to
maintain hot water supply temperature. When the 1/3 valve
reaches full open position, and there is a call for additional
heating capacity, the 2/3 valve shall modulate open and the 1/3
valve shall close fully. The 2/3 valve shall modulate as required.
If additional heating capacity is required, the 1/3 valve shall again
modulate open with the 2/3 valve remaining fully open.
2. As the demand for heating capacity decreases, the valves shall
modulate and be staged in reverse sequence.
e. Points list:
1. Outdoor Air Temperature Al
2. Outdoor Air Relative Humidity Al
3. "Heating" Mode Command DO
4. HCWS Temperature Al
5. HCWR Temperature Al
6. HWS Temperature Al
7. HWR Temperature Al
8. Pump HWP-1 S/S DO
9. Pump HWP-1 Status DI
10. Pump HWP-1 VFD Command AO
11. Pump HWP-1 VFD Fault DI
12. Pump HWP-2 S/S DO
13. Pump HWP-2 Status DI
14. Pump HWP-2 VFD Command AO
15. Pump HWP-2 VFD Fault DI
16. HWS&R System Diff. Pressure Al
17. HX-1 1/3 Steam Valve Command AO
18. HX-1 2/3 Steam Valve Command AO
2. Typical Ducted split system Control
a. The Ducted split system a packaged air handling unit with a dx cooiuling
coil and remote condensing unit, and a new duct mounted heating coil.
The system is designed as heating/cooling, single duct, constant air
volume, constant discharge air temperature system utilizing 100% return
air. .
b. The unit shall operate either in the Occupied Mode or Unoccupied Mode.
C. Occupied Mode:
1. During the occupied mode of operation the unit's supply fan, shall
run to provide conditioned air to the occupied zone.
2. Discharge air temperature control shall come under control of the
BAS.
d. Unoccupied Mode:
1. The Unoccupied Mode shall commence at the pre-programmed
unoccupied start time. During the unoccupied mode, the unit's
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sequence in parenthesis. All sequences and systems shall have full graphic capabilities at
the operator workstation.
Common requirements:
a. All setpoints shall be program adjustable at the operator workstation.
b. All high and low limits shall be alarmed.
C. All hydronic proof of operation shall be via differential pressure sensors.
d. All fan proof of operation shall be via current sensors.
e. All unit smoke detection and emergency shutdown shall be done by
hardwire interlock and shall not rely on control system programming.
f. All dampers shall have open and close status indication through end
switches or integral actuator features.
g. All dampers shall have an independent control point. Multiple dampers of
different applications (i.e. outdoor air, exhaust air, relief) controlled from a
single point are not acceptable.
h. All air handling systems with ducted outdoor air shall be provided with
freeze protection.
1. Heating HWS&R System (HX-1, HWP-1 & HWP-2) Control:
a. Whenever the building system is switched to the"Heating" mode the lead
HWP shall be enabled. Once enabled, if the outdoor air temperature falls
below 65 degrees F (adjustable) the lead pump shall energize and come
under control of its VFD.
b. The HWS&R system differential pressure shall be monitored at the end
of the longest run. The DDC controller shall modulate the pump VFD to
maintain a differential pressure of 12 psig (adjustable) at the end of the
longest run. Differential pressure setting and sensor location shall be
coordinated in the field with the Balancing Contractor and BAS
Contractor. HWS&R supply and return water temperature as well as
pump status (via differential pressure switches on each pump) shall be
monitored at the BAS. Upon a failure of the lead pump the BAS shall
start the standby pump, stop the lead pump and alarm at the BAS. The
standby pump shall come under control of the DDC controller differential
pressure sequence. The HWS&R pumps shall operate on a run/standby
arrangement and shall be duty-cycled based on equal run time.
C. The BAS shall reset the hot water supply temperature inversely
proportional to the outdoor air temperature as follows:
1. Outdoor air temperature 20 degrees F (adjustable): HWS
temperature 180 degrees F (adjustable)
2. Outdoor air temperature 60 degrees F (adjustable): HWS
temperature 120 degrees F (adjustable)
d. The heat exchanger has 1/3-2/3 steam valve control. The steam heat
exchanger 1/3 and 2/3 steam control valves shall be modulated as
follows to maintain the required hot water supply temperature to the
system:
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F. Software
1. The Contractor shall provide all software required for efficient operation of all the
functions required by this specification. Software shall be modular in design for
flexibility in expansion or revision of the system. The software shall, as a minimum,
include:
a. Complete database entry
b. Configuration of all application programs to provide the sequence of
operation indicated
C. Graphics of each system as shown on the 1/0 Summary Tables
d. Alarm limits and alarm messages for all critical and non-critical alarms
e. Configuration of all reports and point summaries indicated
G. Systems Software
1. The central site shall display graphically, in up to 256 different colors, the following
system information:
General area maps shall show locations of controlled buildings in relation to local
landmarks.
Floor plan maps shall show heating and cooling zones throughout the buildings in a
range of colors which provide a visual display of temperature relative to their
respective setpoints. The colors shall be updated dynamically as zones' comfort
condition change. Locations of space sensors shall also be shown for each zone.
Setpoint adjustment and color band displays shall be provided.
Mechanical system graphics shall show the type of mechanical system components
serving any zone through the use of a pictorial representation of components. It
shall also provide a current status of all 1/0 points being controlled and applicable to
each piece of equipment including analog readouts in appropriate engineering units
at appropriate locations on the graphic representation.
2. Each category of software shall consist of interactive software modules. Each
module shall have an associated priority level and shall execute as determined by
the program controller as defined in the real time operating system.
3. The central site shall allow receipt of alarms and messages while in a functional
mode other than energy management, i.e., incoming alarms shall be displayed
while the operator is in a word processing, spreadsheet, or other operating mode.
The system must automatically switch from a non-energy management mode,
respond to an alarm, and return to the exact position left in the previous functional
mode.
4. The building operator shall be able to communicate and direct all control functions
through the use of a 2-button "mouse" operator interface to monitor and control all
functions and sequences within the system.
H. Sequences of Operation:
Following are the typical sequences of operation for HVAC equipment provided by
Automated Logic's System 20/20. Within each section, each paragraph describes a specific
control sequence for a component of the equipment; start/stop, status, etc. Each specific
control sequence will require appropriate 1/0 points, which are listed at the end of each
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Model P-74FA-5-C.
C. Flow Switches: Flow switches shall have a repetitive accuracy of + 1% of
their operating range. Switch actuation shall be adjustable over the
operating flow range. Switches shall have snap-acting Form C contacts
rated for the specific electrical application.
d. Waft-hour Transducers: Watt-hour transducers shall have an accuracy of
+0.25% for kW and kWh outputs from full lag to full lead power factor.
Input ranges for kW and kWh transducers shall be selectable without
requiring the changing of current or potential transformers, and shall have
dry contact pulse accumulation.
e. Voltage-to-Digital Alarm Relays: Relays shall monitor status of boiler or
chiller safeties and overloads and shall be sized and connected so as not to
impede the function of the monitored contacts. Switch shall have self-
wiping, snap-acting Form C contacts rated for the application, equal to
Veris Industries, Inc. Hawkeye 735.
f. Humidity Sensors: Sensors shall have an accuracy of+5%over a range of
20%to 95% RH, Visala Mod. HMW-40U.
g. Current Sensing Relays: Relays shall monitor status of motor loads.
Switch shall have self-wiping, snap-acting Form C contacts rated for the
application. The setpoint of the contact operation shall be field adjustable.
h. Control Relays: Control relay contacts shall be rated for 150% of the
loading application, with self-wiping, snap-acting Form C contacts,
enclosed in 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.
i. Solid State Relays (SSR): Input/output isolation shall be greater than 10
billion ohms with a breakdown voltage of 15 V root mean square, or
greater, at 60 Hz. The contact operating life shall be 10 million operations
or greater. The ambient temperature range of SSRs shall be 20°F-140°F.
Input impedance shall be greater than 500 ohms. Relays shall be rated for
the application. Operating and release time shall be 10 milliseconds or
less. Transient suppression shall be provided as an integral part of the
relays.
j. Freezestat shall be capillary type equal to Johnson Control, Model A70HA-
1 C.
k. Control valves shall be DDC modulating type. All two-way valves shall be
Spartan two position valves. All three-way valves shall be Barber Colman
with Belimo Actuators, Model AF24-S.
I. All control dampers shall be opposed blade type with edge and jam seals
and internal linkage. Damper operators shall be provided for all dampers
equal to Belimo AF24-S with AV10-18 or 2G-JSA shaft extensions where
required.
5. Local Site Communication Network
a. The modules shall communicate within their respective network with a
token passing technique. This network shall be consistent with the IEEE
RS-485 standard, including a minimum baud rate of 9,600 BPS maintained
at a minimum of 10,000 feet. The Contractor shall provide all wiring
required for the local site network.
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h. Each T-Line and TNI shall have LED indication for visual status of
communication, power, and all outputs.
i. Each TNI shall be software programmable for communicating at 9600 baud
to 38.4 Kbps. Circuits shall be optically isolated.
3. Terminal Control Devices-T-Line
a. Digital outputs: These outputs shall be 24VAC or VDC maximum, 3 amp
maximum current. Each configurable as normally open or normally closed,
and either dry contact or bussed.
b. Universal inputs: Thermistor, dry contacts or 0-5VDC with 0-100K Ohm
input impedance.
C. Enhanced Zone Sensor Input: The input shall provide one thermistor
input, one local setpoint adjustment, one timed local override switch and an
occupancy LED indicator.
4. Instrumentation and Control
a. Temperature Sensors: Sensors shall be of the type and have accuracy
ratings as indicated and/or required for the application and shall permit
accuracy rating of within 1%of the temperature range of their intended use.
1) Sensors used for mixed air application shall be the averaging type
and have an accuracy of+1°F. Kele Precon Model ST-FZ.
2) OA temperature sensors shall have a minimum range of -52°F to
152°F and an accuracy of within +1°F in this temperature range.
Kele Precon Model ST-O.
3) Room temperature sensors shall have an accuracy, of + 0.25°F in
the range of 45°F to 96°F, ALC Model BA-10K-2-RSO-RLC Type 3
with network connector,warm/cool adjustment, override switch and
LED Occupied/Unoccupied indicator.
4) Chilled water sensors shall have an accuracy of +0.25°F in their
range of application.
5) Hot water temperature sensors shall have an accuracy of+0.75°F
over the range of their application.
b. Pressure Instruments
1) Differential Pressure and Pressure Sensors. Sensors shall have a
4-20 MA output proportional signal with provisions for field check-
ing. 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 MAMAC No. PR-272-2-XX-B-1-
2-2.
2) 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. Switches shall be manufactured by Johnson Controls,
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1. Global Network Controller- LANgate
a. The LANgate shall be a microprocessor-based communications device
which acts as a gateway between the System Control Module Network
(CMnet)and the Global Network(Lgnet).
b. Both the Cmnet and the Lgnet shall be "peer-to-peer" networks which allow
all control modules to communicate with equal authority.
C. Each LANgate shall support a Cmnet on which may reside any combination
of up to 100 zone controllers, rooftop unit controllers, and/or Control
Modules.
d. The LANgate shall be responsible for routing global information from the
various Cmnets which may be installed throughout a building.
e. The Lgnet may configure as RS485 (38.4 Kbps), ARCnet (2.5 Mbps), or
Ethernet (10 Mbps), or Token Ring (16Mbps) all of which may be imple-
mented over fiber optic, twisted pair, or coaxial cable.
f. Each Cmnet shall support up to 100 controllers.
g. Multiple IANgates can be added to the Lgnet if the projects require more
than 100 controllers.
h. Up to a total of 60 LANgates can be added to the Lgnet, each supporting
up to 100 controllers (total capacity exceeds 500,000 points per Lgnet).
i. The LANgate shall provide two RS232 ports which can be connected to
Central Site Workstations, portable computers, or modems.
j. LANgate shall provide full arbitration between multiple users, whether they
are communicating through the same LANgate or different ones.
2. Terminal Control Modules-T-Line
a. Terminal Control Modules shall be capable of providing the Direct Digital
Control of single zone terminal HVAC units; air handling units, fan coil
units, exhaust fans, unit ventilators, etc.
b. Each T-Line controller shall communicate with the Cmnet through the Tnet
Interface Module (TNI). The TNI shall provide one RS485 port for a Cmnet
connection and one RS485 port for the Tnet connection. In addition, a
direct connect RS485 port shall also be provided for connection of a laptop
computer.
C. In the event of a loss of communication with the TNI, each T-Line controller
shall store a default algorithm which maintains the space temperature until
communication with the TNI is restored.
d. Each TNI shall execute application programs, calculations, and commands
via a microcomputer resident in the TNI. The database and all application
programs for each T-Line shall be stored in read/writable non-volatile
memory within the TNI. All non-volatile memory shall have a battery
backup of at least five years.
e. The TNI shall contain both software and hardware to perform full DDC/PID
control loops. T-Line shall be able to provide normal binary type output.
f. Each T-Line shall be able to support various type of zone temperature
sensors, such as: temperature sensor only, temperature sensor with
built-in local override switch, with setpoint adjustment switch.
g. Each T-Line for VAV application shall have a built-in air flow transducer for
accurate air flow measurement in order to provide the Pressure
Independent VAV operation.
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b. Listing of binary and analog hardware required to interface to the
equipment for each function.
C. Listing of all application programs associated with each piece of equipment.
d. Failure modes for control functions to be performed in case of failure
5. Provide an accurate graphic flow diagram for each software program proposed to
be used on the project as part of the submittal process. Revisions made as a result
of the submittal process,during the installation,start-up or acceptance portion of the
project, shall be accurately reflected in the "as-built" graphic software flow diagrams
herein required by this specification.
6. The Contractor shall be able to simulate the operation of all software application
programs to ensure they are free from design errors and that they accurately
accomplish the application sequence of operations. The simulation must show
each output value and how it varies in relation to an artificial time clock. The time
clock may run at normal time increments, increased increments (fast motion) or
decreased increments (slow motion).
D. Wiring: All temperature control wiring will be installed and terminated by the ATC
Contractor. Control wiring shall be as follows:
1. All circuits which are activated or deactivated by temperature control system
components, such as, but not limited to, PE's and high and low limit protective
devices.
2. All circuits which activate or deactivate temperature control system components,
such as solenoid air valve.
3. All temperature control panel wiring to terminal strips and field wiring from terminal
strips to field mounted devices.
4. All wiring to the "Auto" side of hand-off auto switches on units being controlled by
the ATC Contractor.
5. Wiring of all electro-mechanical devices required to be located on or in temperature
control panels.
6. All wiring to the temperature control panels shall be by the ATC subcontractor from
sources provided by the Electrical Contractor specifically for that purpose.
7. All wiring shall comply with national, state, and local electrical codes. All power
wiring will be installed and terminated by the Electrical Contractor. Power wiring
shall be defined as follows:
a. Wiring of all devices and circuits carrying voltages greater than 120 volt
(except for power to the temperature control panels).
b. Wiring of power feeds to disconnects,starters, and electric motors.
C. Wiring of 120V AC power feeds to all temperature control panels where
required.
d. Installation of and wiring of line power to fused disconnects for each air
compressor.
e. Power wiring to 120V single phase motors.
f. Wiring from disconnects to compressor motor starters and from
compressor motor starters to compressor motor.
E. Field Hardware: Field hardware must be of a modular design to ensure reliability and
system performance.
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listed in 1/0 Summary Tables.
C. All relays, switches, indicating devices, and transducers required to perform
the functions listed in 1/0 Summary Tables.
d. All monitoring and control wiring and air tubing.
e. All modems and accessories.
f. All variable frequency drives(VFD's).
7. Provide all software identified in Part 3 of this Specification. The database required
for implementation of these specification shall be provided by the Contractor,
including: point descriptor, alarm limits, calibration variables, graphics, reports and
point summaries.
8. The system as specified shall monitor, control, and calculate all of the points and
perform all the function as listed in 1/0 Summary Tables attached to the end of this
specification.
9. Codes and Regulations. All electrical equipment and material and its installation
shall conform to the current requirements of the following authorities:
a. Occupational Safety and Health Act(OSHA)
b. National Electric Code (NEC)
C. National Fire Code
d. Uniform Building Code
e. Uniform Mechanical Code
f. Uniform Plumbing Code
g. UL916
h. Note: Where two or more codes conflict, the most restrictive shall apply.
Nothing in these plans and specifications shall be construed to permit work
not conforming to applicable codes.
C. Submittals, Documentation and Acceptance
1. Shop Drawings. A minimum of six (6) copies of Shop Drawings shall be submitted
and shall consist of a complete list of equipment and materials, including
manufacturer's descriptive and technical literature, catalog cuts, and installation
instructions. Shop Drawings shall also contain complete wiring, routing, schematic
diagrams, tag number of devices, software descriptions, calculations, and any other
details required to demonstrate that the system will function properly. Drawings
shall show proposed layout and installation of all equipment and the relationship to
other parts of the work.
2. Shop Drawings shall be approved by the Engineer and the College before any
equipment is installed. Therefore, Shop Drawings must be submitted in time for
review so that all installations can be completed per the project's completion
schedule.
3. All Drawings shall be reviewed after the final system checkout and updated or
corrected to provide "as-built" Drawings to show exact installation. The system will
not be considered complete until the "as-built" Drawings have received their final
approval. The Contractor shall deliver three (3) sets of "as-built" Drawings, and
one (1) CADD disk of these Drawings.
4. Before final configuration, the Contractor shall provide 1/0 Summary forms that
include:
a. Description of all points.
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A. General Requirements
1. All components of the system shall be furnished and installed by Yankee
technology, Inc.
2. The controls shall be a direct expansion of the Campus' existing Automated Logic
(ALC) WebCTRL BAS operating platform. All system points will be networked
using Lan Gate Routers (LGR) tied into the Campus Ethernet, sharing all new and
existing points in real time date. It will be the Contractor's responsibility to develop
site specific operating parameters, building name, general area maps, floor plans,
mechanical system graphics, and thermal graphs, all to be displayed graphically at
the central site (CS)via the existing software programs.
3. All components of the direct digital controllers shall be manufactured by Automated
Logic, or equal, with peripheral electric/electronic devices manufactured by Barber
Colman.
4. All components of the system shall be furnished and installed by Automated Logic,
i.e. Yankee Technology, Inc., of Ludlow, MA. The system shall be a properly
integrated system installed by competent mechanics regularly employed in the
profession of temperature control. Unless specified to the contrary, all equipment
shall be fully proportioning. The control system shall be complete in all respects,
including room thermostats, immersion thermostats, switches, relays, valves,
cabinets and other accessory equipment, and a complete system of control wiring
for integration into existing remaining reused controls where specified, all connected
and properly integrated to the control system.
5. The temperature control system shall be DDC and shall utilize electric/electronic
power using Belimo Controls for the control dampers and valves.
6. All wiring, conduit, junction boxes, fittings, etc., necessary for the temperature
control system shall be furnished and installed by the ATC Contractor and shall
conform to all standards and codes as described under Section 16000 - Electrical
Work. Wiring shall be in metal raceways where required by prevailing codes.
7. Provide nameplates for all control devices. Devices on panels to have "Lamicoid"
nameplates, isolated control valves, relays, etc.to be marked with stamped tape.
B. Scope of Work
1. All temperature control work shall be performed by Yankee Technology, Inc. of
Ludlow, MA. It is the responsibility of this Contractor to co-ordinate all HVAC work
with the Temperature Control Contractor prior to submitting a bid.
2. The Contractor shall furnish and install all necessary hardware, wiring, pneumatic
tubing, computing equipment and software as defined in this specification.
3. All material and equipment used shall be standard components, regularly
manufactured and available and not custom designed especially for this project. All
systems and components, except site specific software, shall have previously been
thoroughly tested and proven in actual use prior to installation on this project.
4. The system architecture shall be fully modular permitting expansion of application
software, system peripherals, and field hardware.
5. The system, upon completion of the installation and prior to acceptance of the
project, shall perform all operating functions as detailed in this Specification.
6. Provide the following system hardware:
a. Central Site(s) and Control Modules
b. All sensing devices and necessary transducers to perform the functions
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an interlocking design, having two folded guides which serve as stops. Fusible links shall be
equal to Grinnell Fig. 1351, 20 pounds, issue A. Dampers shall be installed according to
latest edition of NFPA-90A, mounted with 1-1/2" x 1-1/2" x 1/8" returning angles on both
sides of partition, wall, or floor, and sleeves as per the UL test under which the damper fire
rating was obtained. Angles shall completely close the wall opening and provide anchorage
to the dampers. Damper blade stack shall not reduce duct free area.
P. Where called for on Drawings, final connections to diffusers and registers shall be made
with flexible ductwork, UL listed, Class 1. To be Thermaflex S-LP-10 for exhaust/return,
M-KA for supply, or equal. Joints shall be sealed with duct tape and Thermaflex duct straps.
Connection to rigid ductwork shall be made with spun conical taps.
Q. Install duct-type smoke detectors furnished by the Electrical Contractor.
R. Flexible Air Duct:
1. Flexible air duct shall be Wiremold, Thermoflex, Cleveflex, or equal, and shall be
equal to Wiremold Type CRK Vanguard Duct.
2. Flexible duct shall be manufactured from fully annealed aluminum and formed into
a multiple corrugated construction, then encased with 1 inch, 3/4 lb. density
fiberglass blanket and sheathed with a vinyl vapor barrier. The duct shall have an
inside bending radius of not more than 3/4 inch I.D. It must comply with the latest
NFPA Bulletin 90A and be listed as Class 1 air duct, UL Standard 181. Duct shall
have published pressure ratings of not less than 10 ft. S.A. positive pressure, .5
inch W.A. negative pressure. Duct shall also be UL rated for velocities up to 6,500
F.P.M.E.
S. Flexible Connections: Provide, in each duct connection to every air handling unit and fan, 30
ounce double neoprene coated woven glass fabric flexible connection not less than 4" long
securely held to retaining clamps.
T. All exhaust ducts serving shower shall be aluminum.
U. Install duct-type smoke detectors furnished by the Electrical Subcontractor.
2.02 DUCTWORK SHOP DRAWINGS
A. Layout and details shall clearly indicate compliance with the above Specifications. Any
variations in design details, fittings, or accessory items for which approval is requested shall
be specifically marked on the Drawings, as shall any major variations from the Drawing
(minor variations are assumed to be field conditions). Drawings for Fan Room shall be at
3/8 in. = 1 ft. 0 in. scale.
B. The Drawings shall not be submitted to the Engineer for approval until the ductwork has
been coordinated with all other trades. The Sheet Metal Contractor shall assume the
responsibility for and bear the cost of any alterations required after approval because of
inaccurate Shop Drawings or lack of proper coordination, and also for any changes in sheet
metal erected prior to approval of Shop Drawings.
2.03 AUTOMATIC TEMPERATURE CONTROL
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bar slips will be reinforced with 1-1/2" x 1-1/2" x 1/8" angles. Additional angle stiffeners not
over 60" apart shall be provided between joints. Ducts over 60" in width shall be jointed with
1-1/2" x 1/8" angle irons riveted to ductwork on all sides with 1/8" rivets at not more than
4-1/2" on centers, sections bolted with 3/16" stove bolts at not over 6"centers,sheets turned
over angles into joint at least 1/4".
H. Sheet metal screws 3/4" #10 may be used to attach stiffener angles to ductwork to secure
seams, spaced not over 12" on centers and not less than two per side of 12" or more,
except where specified otherwise. Button punching shall not be used except for pre-erection
attachment of fittings.
I. Provide hinged galvanized steel access and inspection doors opposite each manual
damper, reheat coil, steam injection humidifier at each fire damper, and at every duct
mounted control device. Doors shall be equal to Buensod-Stacey Type S-2 of rigid
construction with cast type rotary latches. Where space limitations do not allow for full swing
of the access door, two rotary type latches shall be used. Doors located in insulated ducts
shall be furnished with extended frames to serve as a stop for insulation. Insulate doors
located in insulated ductwork. All doors shall be gasketed. Door shall be 12" by 12" mini-
mum except where limited by duct width and shall be larger where necessary for access to
fire damper fusible links or other devices.
J. Hangers for all rectangular ducts 4 sq. ft. in area or above shall be round bar type fastened
to 1-1/4" x 1-1/4"x 1/8" angles under the ducts. Ducts less than 4 sq. ft. in area shall be
hung with black 1"x 1/16" strap iron bent 1" under bottom side of the duct and fastened to
the duct with sheet metal screws, using not less than two screws per side and as many
more so that they are not greater than 6"centers.
K. Hangers are to be placed on not greater than 8'-0" centers or closer where required so that
the ductwork can support the weight of a man at any point.
L. Wherever sound insulation lining is called for, the sheet metal duct size shown on the
Drawings must be increased to provide the clear inside dimensions or cross sectional area
shown on the Drawings.
M. Duct joint sealing, reinforcing, flanges, etc. for rectangular sheet metal ducts shall be based
on maintaining airtight ducts at 2" WG Maximum static pressure with maximum leakage of
5% of total fan capacity; 1/2 of 1% for round and oval ducts. All joints in ductwork shall be
sealed with U.L. classified United Duct Sealer,or equal.
N. Duct systems shall have sufficient volume dampers, whether or not shown, to control and
adjust the total volume of each system, each zone, in each branch and at each diffuser or
grille. The HVAC Contractor shall consult with the College's Balancing Contractor for the
proper placement of volume dampers prior to installation. Volume dampers shall be of the
butterfly type with 18 gauge galvanized iron blade. All dampers shall be equipped with Duro-
Dyne Type UNXLD locking quadrant. All dampers shall be provided with damper bearings
on each end of shaft mounted on a 2" x 3"x 1/8" plate held to duct with sheet metal screws.
Maximum width of single blades shall be 14". Splitter dampers shall not be used.
O. Provide where shown or indicated on the Drawings fire and/or smoke dampers with a UL
label for not less than 1-1/2 hour fire protection rating in accordance with UL-555 continuing
inspection service. Blades and frame shall be galvanized steel construction with blades of
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B. The Base Bid shall be the lump sum price for all labor and materials necessary for and reasonably
incidental to providing all HVAC work specified and shown on the Drawings, less the cost of all extra
work described in the Alternates.
C. Schedule of Alternates
1. ALTERNATE NUMBER 1: Alternate Bid No. 1 shall be the addition in price above the base
bid to furnish and install a new high pressure steam service from the existing high pressure
campus mains located in the basement. New service shall include all piping, insulation, ,
steam pressure reducing station and all associated incidentals.
PART 2- MATERIALS
2.01 SHEET METAL WORK
A. All duct runs shall be checked for clearances before installation of any ductwork. Above
hung ceilings, duct locations and elevations must be coordinated with work of other trades to
avoid conflicts with structure, piping, conduit and light fixtures.
B. All sheet metal ducts for supply, return, exhaust and outdoor air shall be constructed of
galvanized steel sheet of bend forming quality unless noted otherwise.
C. Duct construction shall be in accordance with best practices and latest ASHRAE or
SMACNA requirements for metal gauges, joints, reinforcing and supports. All exposed
ductwork shall be constructed and hung to provide a neat, smooth, finished appearance.
Cadmium plated sheet metal screws shall be used on all exposed ductwork. Ducts shall be
free from thumping or rattling when fans are turned on or off.
D. Duct sizes shall be strictly followed and no changes in shape or dimensions shall be made
by the HVAC Contractor without first obtaining approval from the Engineer, except that duct
shall be offset as required to clear structural members and to co-ordinate with other trades
and any duct changes must meet the latest ASHRAE and SMACNA standards.
E. The center line radius of all duct elbows where shown on the Drawings shall be at least one
and one-half times the width of the duct. Where building conditions do not allow for this
radius or where square turns are shown, manufactured double walled duct turns equal to
Aero-Dyne or Tuttle & Bailey shall be used in the supply or exhaust air ducts and "Sonotru"
acoustical attenuating turns as manufactured by South Control Products Co. shall be used in
any air ducts where acoustical insulation is included.
F. Duct sections V-6" wide or less shall be butted together and jointed with flat drive cleats 2-
1/8" wide. Top and bottom cleats shall be cut flush with duct and side cleats bent over to
make a tight joint. Standing bar slips as specified for ducts over 18" may be used at the
HVAC Contractor's option.
G. Ducts from 18" to 30" wide shall be jointed with 1/2" standing bar slips made of metal the
same as or heavier than duct sheets. Joints in ducts with either dimension over 30" shall
have 1" standing bar slips on those sides over 30". Where sides are over 42", the standing
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1.20 CO-ORDINATION DRAWINGS
A. This Contractor shall prepare a complete set of mylar background Drawings at minimum 1/4
in. equals 1 ft. 0 in. showing architectural and structural features and other information as
needed for coordination layout. Background Drawings shall be prepared under this Section.
B. Circulate mylars among trades as necessary to show all information outlined below. Each
trade shall sign and date each coordination Drawing. Co-ordinate all conflicts between trades
prior to submitting drawing to the Architect.
C. The information to be contained on the Drawings shall include, but not be limited to, the
following:
1. Insert and sleeve locations if required by the Architect.
2. Structural, partition/room layout, ceiling grid, and other information needed for co-
ordination including bottom of steel elevations.
3. All fire walls and smoke partitions.
4. Equipment layouts and egress routes for equipment removal.
5. Sheet metal work layout including bottom of duct elevations.
6. Heating, Ventilating, and Air Conditioning, Plumbing, and Fire Protection pipe routing
including center line of pipe elevations.
7. Valves including valve tag numbers.
8. Access panels.
9. Electrical light fixtures, cable trays, panelboards, etc.
Each trade shall show his work on the background Drawings with appropriate elevations and
grid dimensions. Drawing shall indicate horizontal and vertical dimensions to avoid
interference with structural framing, ceilings, partitions, and other services.
D. Fabrication shall not begin until the final mylar transparencies of all co-ordination drawings
have been reviewed and approved by the Architect. Review of coordination Drawings shall
not diminish the responsibility under this Contract for final co-ordination of installation and
maintenance clearances of all systems and equipment with the architectural, structural,
mechanical, electrical, and other work.
E. Drawings shall indicate adequate clearance for operation, maintenance, and replacement of
operating equipment devices. If equipment is disapproved, drawings shall be revised to show
acceptable equipment and be resubmitted.
F. The approval of equipment does not relieve the Contractor from the responsibility of Shop
Drawing errors in details, sizes, quantities, wiring diagram, arrangement, and dimensions
which deviate from the Specifications, Contract Drawings, and/or job conditions as they exist.
Unless the Contractor specifically requests in writing, changes, substitutions, or deletions of
specific Contract Document requirements with respect to any submissions, approval of the
Shop Drawing by the Architect does not constitute acceptance. Approval of shop drawings
containing errors does not relieve the Contractor from making corrections at his expense.
1.21 ALTERNATE BIDS
A. See Section 01230 for a general description of the Base and Alternate Bids. Work of the HVAC
Subcontractor is more specifically described below.
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B. If any part of a system should be stopped or damaged by any foreign matter after being
placed in operation, the system shall be disconnected, cleaned, and reconnected at no
additional cost to the Owner.
C. During the course of construction, all ducts and pipes shall be capped to insure adequate
protection against the entrance of foreign matter.
D. Keep the job site free from the accumulation of waste material and rubbish. Upon
completion of all work under the Contract,the Contractor shall remove from the premises all
rubbish, debris, and excess materials left over from his work. Any oil or grease stains on
floor areas caused by the Contractor shall be removed and floor areas left clean.
1.18 CUTTING AND PATCHING
A. Cutting and/or drilling of all openings and holes 4 in diameter or smaller, required for the
installation of HVAC in the building, shall be performed by the HVAC Contractor. All work
and materials shall be installed in such a manner and at such time to keep cutting and
patching to a minimum. Cutting and/or drilling of structural supports (ie. beams or joists) is
not allowed without written approval by the Engineer. Location for openings, etc. shall be
checked by the HVAC Contractor, and error due to failure to co-ordinate work with other
divisions shall be the responsibility of the HVAC Contractor failing to co-ordinate, who shall
make the corrections at his own expense.
B. All holes larger than 4" in diameter shall be provided by the General Contractor.
C. Work shall include furnishing and locating sleeves or inserts required before the new walls
are built, or be responsible for the cost of cutting and patching required for pipes where
sleeves were not installed or where incorrectly located. The HVAC Contractor shall do all
drilling required for the installation of hangers.
D. Patching of all holes, after installation of piping or equipment, shall be performed by the
General Contractor or appropriate tradesmen.
E. All pipe cutting or threading shall be done in a location approved by the Owner.
F. No pipe cutting or threading shall be done in areas where completed concrete floor slab is to
remain in finishes or be painted later. Should this area be necessary, the HVAC Contractor
shall cover the entire working area with canvas tarpaulins in an approved manner.
1.19 RECORD DRAWINGS
A. Submit Record Drawings as specified in Division 1.
B. Record Drawings shall reflect all changes from the Contract Drawings whether by change
order or by field conditions. Principal dimensions of concealed work, fire dampers, volume
dampers, control dampers and control valves, and for piping installation, valve numbers
shall be added to these Drawings prior to submittal to the Engineer. In addition to the above
all revised areas shall be clearly marked with a revision bubble. Record drawings shall
consist of one paper copy, one mylar copy, and one electronic copy in AutoCadd format.
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easily read, with large sheets of drawings folded in. The manuals shall be bound in hard
binders or an approved equivalent.
C. The manual shall include the following information:
1. Description of systems.
2. Description of start up, operation, and shutdown procedures for each item of
equipment.
3. Winter/summer changeover procedures.
4. Schedule of adjustment, care, and routine maintenance for each item of equipment.
5. Lubrication chart.
6. Wiring and control diagrams with data to explain detailed operation and control of
each item of equipment.
7. Valve chart.
8. List of recommended spare parts.
9. Copies of all service contracts.
10. Performance curves for pumps,fans, etc.
11. List of all names, addresses, and phone numbers of all Contractors as well as the
local representative for each item of equipment.
D. See the "Automatic Temperature Control" paragraphs of this Section for additional
requirements.
1.16 PROTECTION
A. Work under each Section shall include protecting the work and material of all other Sections
from damage by work or workmen, and shall include making good all damage thus caused.
B. The Contractor shall be responsible for work and equipment until finally inspected, tested,
and accepted; protect work against theft, injury, or damage; and carefully store material and
equipment received on site which is not immediately installed. Close open ends of work with
temporary covers or plugs during construction to prevent entry of obstructing or foreign
material.
C. Work under each Section includes receiving, unloading, uncrating, storing, protecting,
setting in place, and connecting-up completely any equipment supplied under each Section.
Work under each Section shall also include exercising special care in handling and
protecting equipment and fixtures, and shall include the cost of replacing any of the
equipment and fixtures which are missing or damaged by reason of mishandling or failure to
protect on the part of the HVAC Contractor.
D. Equipment and material stored on the job site shall be protected from the weather, vehicles,
dirt, and/or damage by workmen or machinery. Insure that all electrical or absorbent
equipment or material is protected from moisture during storage.
1.17 CLEANING
A. The Contractor shall thoroughly clean and flush all piping, ducts, and equipment of all
foreign substances inside and out before being placed in operation. Thoroughly flush all
piping of any oils, burrs, solder, and flux. Replace strainers and filters at completion of
cleaning.
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good without expense to the Owner. The HVAC Contractor shall be responsible for the
proper protection of all his materials until the building is accepted by the Owner.
1.12 ENVIRONMENTAL CONDITIONS
A. All necessary tools machinery, scaffolding, and transportation for completion of his
Subcontract shall be provided by the HVAC Contractor.
B. The HVAC Contractor shall provide his own portable extension lines and obtain 120 volt, 60
cycle, single phase electric power from the General Contractor to drive his machines and
light his work. He shall provide his own light bulbs, plugs, sockets, etc.
C. All broken or waste material, rags, packing, etc., resulting from his work shall be removed by
the HVAC Contractor.
1.13 WORK CONCEALED
A. All piping and ductwork shall be installed concealed in all areas except storage rooms,
closets, and mechanical or electrical equipment rooms, unless specifically noted otherwise
on the Drawings.
B. Piping containing water shall not be installed concealed in walls having an exterior exposure
above grade.
1.14 GUARANTEE
A. The HVAC Contractor shall guarantee the satisfactory operation of his work in all parts for a
period of one (1)year after date of substantial completion, and shall agree to promptly repair
or replace any items of his work which are found to be defective during this period.
B. The HVAC Contractor shall pay for repair of damage to the building caused by defects in his
work and for repair to plaster, wood, and other materials or equipment caused by
replacement or repairs to the entire satisfaction of the Engineer.
C. Any part of the work installed under this Contract requiring excessive maintenance shall be
considered as being defective.
1.15 OPERATION AND MAINTENANCE MANUALS
A. After all final tests and adjustments have been completed, fully instruct the proper Owner's
representative in all details of operation for equipment installed. Supply qualified personnel
to operate equipment for sufficient length of time to assure that Owner's representative is
properly qualified to take over operation and maintenance procedures. This Contractor shall
video tape the instruction procedures and deliver three (3) copies of the tape with the
Operation and Maintenance Manuals.
B. Furnish the Engineer, for approval, three (3) copies of an Operation and Maintenance
Manual. Inscribe the following identification on the cover: the words OPERATION AND
MAINTENANCE MANUAL, the name and location of the equipment or the building, the
name of the Contractor, and the Contract number. The manual shall have a Table of
Contents with tab sheets placed before each section. The instructions shall be legible and
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approved materials at his own expense and as directed by the Engineer.
1.08 PERMITS, FEES AND INSPECTIONS
A. The HVAC Contractor shall secure all permits and pay all fees required for his work. He
shall be required to secure all other permits and pay all other fees and charges incidental to
the proper carrying out of the Contract. He is to assume all responsibility regarding the
observance of the rules and regulations so far as they relate to his part of the work.
B. The HVAC Contractor shall arrange and pay for all required inspections of his work.
1.09 TEMPORARY HOOK-UPS
A. The General Contractor will provide any temporary hook-ups required for the use of water or
sanitary for construction purposes and testing out apparatus as specified in Division 1.
1.10 PLANS AND SPECIFICATIONS
A. The HVAC Contractor shall refer to all the Drawings of interior details, plans, elevations, and
structural layout in preparing his estimate. These documents are intended to supplement
the Mechanical and Electrical Plans and Specifications and any applicable work indicated or
implied thereon is to be considered a part of the Subcontract requirements.
B. The Plans and Specifications are complementary and anything called for, or reasonably
implied, in the Plans and not in the Specifications, or vice versa, shall be considered as
called for or reasonably implied in both.
C. The HVAC Contractor shall assume all responsibility in scaling measurements from the
Drawings.
D. Because of the small scale of the Drawings, it is not possible to indicate all offsets, fittings
and accessories that may be required. The HVAC Contractor shall carefully investigate the
structural and finish conditions affecting all his work and shall arrange such work according-
ly, furnishing such fittings, traps, offsets, valves, and accessories as may be required to
meet such conditions, at no additional cost.
E. The HVAC Contractor shall consult the College's Temperature Control and Balancing
Contractor to co-ordinate work of these trades and to have a full comprehension of the work
to be done as well as to determine the conditions affecting the location and placement of all
equipment and materials.
1.11 PRODUCT HANDLING
A. Delivery: The HVAC Contractor shall provide for the delivery of all his materials and fixtures
to the building site when required so as to carry on his work efficiently and to avoid delaying
his work and that of other trades. Delivery and storage of materials and equipment must be
co-ordinated with the Smith College Physical Plant, and is limited to areas designated by the
College.
B. Storage and Handling: The HVAC Contractor shall, at all times, fully protect his work and
materials from injury or loss by others. Any injury or loss which may occur shall be made
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I. The HVAC Contractor shall check the Plans and Specifications before ordering any
materials and the installation of work. Any discrepancies shall be called to the attention of
the Engineer before proceeding with the work.
J. Before submitting his bid, the HVAC Contractor shall visit the site with the Drawings and
Specifications and shall become thoroughly familiar with all conditions affecting his work
since the HVAC Contractor will be held responsible for any assumption he may make in
regard thereto.
1.05 QUALITY ASSURANCE
A. Equality of materials or articles other than those named or described in this Section will be
determined in accordance with the provisions of the General Requirements. No substitution
will be allowed for the Trane, York, or McQuay air handling units, Trane or International fan
coil units, Watts ball valves, Grunfos pumps, Tour and Anderson balancing valves or
Tunstall steam traps..
B. The HVAC Contractor shall agree to accept as final the results of tests secured by a
qualified testing laboratory engaged by the Owner. Tests will be conducted in accordance
with the General Requirements.
1.06 PRODUCTS
A. With the exception of items specifically noted otherwise, all materials shall be new, full
weight, and first class in every respect, without defects, and designed to function properly in
that portion of the work for which they are intended, and with the same brand of manufac-
turer for each class or category of material or equipment. Electrical materials and
equipment of types for which there are Underwriters Laboratories standard requirements,
listings, or labels shall conform to their requirements and be so labeled.
1.07 SUBMITTALS
A. Before ordering materials shipped to the job, the HVAC Contractor shall submit to the
Engineer six (6) sets of catalogue cuts, manufacturers' data sheets, or Shop Drawings,
giving all details, dimensions, capacities, etc. of all materials to be furnished on the project.
In addition to the above, one (1) set of Shop Drawings shall be submitted to the College's
HVAC Department for review and approval.
B. The HVAC Contractor shall check the Shop Drawings thoroughly for compliance with the
Plans and Specifications before submitting them to the Engineer for review, making any and
all changes which may be required.
C. The review of Shop Drawings by the Engineer shall not relieve the Contractor from any
obligation to perform the work strictly in accordance with the Contract Drawings and
Specifications. The responsibility for errors in Shop Drawings shall remain with the HVAC
Contractor.
D. In the event that materials are being delivered to or installed on the job for which Shop
Drawings or samples have not been approved and/or which are not in accordance with the
Specifications, the Contractor will be required to remove such materials and substitute
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Where the Contract requirements are in excess of applicable codes, rules or regulations,the
Contract provisions shall govern unless the Engineer rules otherwise.
B. The HVAC Contractor shall comply with the Local Code Enforcement Officials' instructions
at no additional cost to the Owner.
1.04 INSTALLATION REQUIREMENTS
A. The HVAC Contractor shall employ only competent and experienced workmen at a regular
schedule in harmony with the other tradesmen on the job. He shall also exercise care and
supervision of his employees in regard to proper and expeditious laying out of his work.
B. The HVAC Contractor shall have a Foreman or Superintendent assigned to the Project who
shall be authorized to make decisions and receive instructions exactly as if the HVAC
Contractor himself were present. The Foreman or Superintendent shall not be removed or
replaced without the express approval of the Engineer after construction work begins.
C. The HVAC Contractor shall be held responsible for any injuries or damage done to the
building premises or adjoining property or to other Contractors' work resulting from the
execution of his part of the work in any manner whatsoever; and in case of dispute arising
as to the extent or share of responsibility incurred by the HVAC Contractor, it is agreed
between the Owner and the HVAC Contractor that such liability and extent of damage shall
be finally determined by the Engineer whose decision shall be final and binding on both
parties to the Contract for the work in question.
D. The HVAC Contractor shall co-operate to the fullest extent with all other trades in order to
expedite the progress of the work. He shall furnish all information pertaining to his materials
as to sizes, locations, and means of support, to all other trades requiring such information.
The HVAC Contractor shall also furnish all sleeves, frames, beams, supports, inserts, etc.,
hereinafter specified so that the General Contractor may build them in place. In case of
failure on the part of the HVAC Contractor to give proper information as above, he will be
required to bear the extra expense involved due to such failure.
E. The arrangement of all piping, ductwork, conduit, wire and cable indicated on the Drawings
is diagrammatic only, and indicates the minimum requirements of this work. Conditions at
the building shall determine the actual arrangement of runs, bends, offsets, etc. The HVAC
Contractor shall lay out all his work at the site and be responsible for the accuracy thereof.
Conditions at the building shall be the determining factor for all measurements.
F. All work shall be laid out and installed so as to require the least amount of cutting and
patching. Drilling of all holes required for the installation of pipes, conduit, and cable runs
shall be performed by the Contractor installing such items.
G. The HVAC Contractor shall be responsible for the proper protection of his work and
materials from injury or loss at the hands of others and shall make good such loss or injury
at his own expense. All pipes left open during the progress of the work shall be capped or
plugged at all times. All instruments and operating apparatus shall be protected by suitable
means.
H. The HVAC Contractor shall be responsible for all equipment and materials installed under
this Section until the final acceptance of the project by the Owner.
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PART 1 -GENERAL
1.01 RELATED DOCUMENTS
A. Include General Conditions, Supplementary General Conditions, applicable parts of Division
1, and conditions of the Contract as part of this Section.
B. Examine all other Sections of the Specifications for requirements which affect work under
this Section whether or not such work is specifically mentioned in this Section.
C. Co-ordinate work with that of all other trades affecting, or affected by the work of this
Section. Co-operate with such trades to assure steady progress of all work under the
Contract.
1.02 SCOPE OF WORK
A. Furnish all labor, materials, plant, equipment and services necessary for and reasonably
incidental to the complete installation of all HVAC work specified herein and/or indicated on
the Drawings, including, but not limited to, the following;
1. Panel radiators and accessories.
2. Reheat coils
3. Energy recovery ventilators.
4. Unit heaters.
5. Piping systems for hot water, steam and steam condensate return systems,
including pumps,valves, and specialties.
6. Duct systems for supply, return, exhaust and outdoor air, including fire dampers,
balancing dampers, registers and grilles.
7. Steam-to-water heat exchangers and associated accessories.
8. Steam condensate receivers and transfer pumps.
9. Insulation for piping, ductwork and equipment.
10. Energy management (building automation) system. All temperature control work
shall be by Yankee Technology, Inc.
11. Installation of and connection to equipment furnished by others.
12. Air and water balance, tests, start-up. All water and air testing and balancing
shall be preformed by Wings Testing and Balancing, Inc., or Advanced
Testing and Balancing,and billed directly to the College.
13. Guarantee.
14. Instructions.
15. Record Drawings.
16. Demolition, removal from site and legal disposal of all existing heating and
ventilating systems and equipment, made obsolete by new construction. All piping
and equipment shall be the property of the College and shall be delivered to such
places designated by the College.
1.03 CODES, ORDINANCES AND INSPECTIONS
A. All materials and the installation thereof shall conform to the requirements of the
Massachusetts State Building Code, Electrical Code, Fuel Gas and Plumbing Code and
local laws, rules, regulations, and codes pertaining thereto. Where provisions of the
Contract Documents conflict with any codes, rules or regulations, the latter shall govern.
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INDEX
SECTION 15600-HVAC
PART 1 -GENERAL PART 3- INSTALLATION
1.01 RELATED DOCUMENTS 3.01 CLEANING AIR SYSTEM
1.02 SCOPE OF WORK 3.02 CUTTING, PATCHING AND DRILLING
1.03 CODES, ORDINANCES AND INSPECTIONS 3.03 PIPE INSTALLATION
1.04 INSTALLATION REQUIREMENTS 3.04 PIPING SYSTEM TESTS
1.05 QUALITY ASSURANCE 3.05 CLEANING AND FLUSHING
1.06 PRODUCTS 3.06 WATER AND AIR FLOW BALANCE AND TESTS
1.07 SUBMITTALS 3.07 INSULATION
1.08 PERMITS, FEES AND INSPECTIONS 3.08 EQUIPMENT INSTALLATION
1.09 TEMPORARY HOOK-UPS 3.09 SYSTEM TESTS AND CLEAN-UP
1.10 PLANS AND SPECIFICATIONS 3.10 IDENTIFICATION
1.11 PRODUCT HANDLING 3.11 SPARE PARTS
1.12 ENVIRONMENTAL CONDITIONS 3.12 FIRE SAFING
1.13 WORK CONCEALED
1.14 GUARANTEE
1.15 OPERATION AND MAINTENANCE MANUALS
1.16 PROTECTION
1.17 CLEANING
1.18 CUTTING AND PATCHING
1.19 RECORD DRAWINGS
1.20 CO-ORDINATION DRAWINGS
PART 2-MATERIALS
2.01 SHEET METAL WORK
2.02 DUCTWORK SHOP DRAWINGS
2.03 REGISTERS, GRILLES AND DIFFUSERS
2.04 AIR HANDLING UNIT(AHU)
2.05 AUTOMATIC TEMPERATURE CONTROL
2.06 PANEL RADIATORS
2.07 CIRCULATING PUMPS (In Line Type)
2.08 VALVES
2.09 THERMOMETERS
2.10 PRESSURE GAUGES
2.11 UNIONS
2.12 PIPE SLEEVES
2.13 HOT WATER SPECIALTIES AND VALVES
2.14 HANGERS
2.15 UNIT HEATERS
2.16 INSULATION
2.17 PIPE AND FITTINGS
2.18 STRAINERS
2.19 ACCESS PANELS
2.20 SHELL-AND-TUBE HEAT EXCHANGERS
2.21 STEAM CONDENSATE PUMPS
2.22 VIBRATION AND SEISMIC CONTROLS
2.23 RADIANT HEATING DISTRIBUTION SYSTEM
2.24 UTILITY FANS
2.25 LOUVERS
2.26 CONVECTORS
2.27 STEAM TRAPS
HVA
15600 - 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
1.03 APPLICATION
A. Apply primer where recommended by manufacturer for specific material and
substrate.
B. Apply firestopping material in sufficient thickness to achieve required fire rating.
C. Install material at walls or partition openings containing penetrating sleeves,
piping, duct work, conduit and other items, requiring firestopping.
D. Fire stopping system shall be applied to each floor or wall having a fire resistive
rating of at least 1 hour and meet the fire resistive rating of the floor or wall being
penetrated.
END OF SECTION
FIRESTOPPING 07840- 4
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
2. Foam Firestopping Compounds: Single component foam compound.
3. Formulated Firestopping Compound of Incombustible Fibers: Formulated
compound mixed with incombustible non-asbestos fibers.
4. Fiber Stuffing and Sealant Firestopping: Composite of mineral fiber
stuffing insulation with silicone elastomer for smoke stopping.
5. Mechanical Firestopping Device with Fillers: Mechanical device with
incombustible fillers and silicone elastomer, covered with sheet stainless
steel jacket,joined with collars, penetration sealed with flanged stops.
6. Intumescent Firestopping: Intumescent putty compound which expands on
exposure to surface heat gain.
7. Firestop Pillows: Formed mineral fiber pillows.
8. Mortar where permitted by applicable code.
1.02 ACCESSORIES
A. Primer: Type recommended by firestopping manufacturer for specific substrate
surfaces.
B. Installation Accessories: Clips, collars, fasteners, temporary stops or dams, and
other devices required to position and retain materials in place.
PART 3 -EXECUTION
1.01 EXAMINATION
A. Verify openings are ready to receive work of this section.
1.02 PREPARATION
A. Clean substrate surfaces of matter effecting bond of firestopping material.
B. Install backing materials to arrest liquid material leakage.
FIRESTOPPING 07840 - 3
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
C. Fire Resistant Joints in Fire Rated Floor, Roof, and Wall Assemblies: UL 2079 to
achieve fire resistant rating as indicated on Drawings for assembly in which joint
is installed.
D. Surface Burning Characteristics: Maximum 25/450 flame spread/smoke
developed index when tested in accordance with NFPA 255 and UL 723.
E. Perform Work in accordance with State and local codes and ordinances.
1.04 ENVIRONMENTAL REQUIREMENTS
A. Do not apply materials when temperature of substrate material and ambient air is
below 60 degrees F.
B. Maintain this minimum temperature before, during, and minimum 3 days after
installation of materials.
C. Provide ventilation in areas to receive solvent cured materials.
PART 2 - PRODUCTS
1.01 FIRESTOPPING
A. Manufacturers:
1. A/D Fire Protection Systems, Inc.
2. Hilti Corp.
3. 3M Fire Protection Products.
4. Nelson Firestop Products.
B. Product Description: Different types of products by multiple manufacturers are
acceptable as required to meet specified system description and performance
requirements; provide only one type for each similar application.
1. Silicone Firestopping Elastomeric Firestopping: Single component
silicone elastomeric compound and compatible silicone sealant.
FIRESTOPPING 07840- 2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 07840 - FIRESTOPPING
PART 1 - GENERAL
1.01 SUMMARY
A. Section includes fire stopping and through-penetration protection systems
materials and accessories.
1.02 SUBMITTALS
A. Product Data: Submit data on product characteristics, performance and limitation
criteria.
B. Manufacturer's Certificate: Certify products meet or exceed specified
requirements.
1.03 QUALITY ASSURANCE
A. Through Penetration Firestopping of Fire Rated Assemblies: UL 1479 or]ASTM
E814 with 0.10 inch water gage minimum positive pressure differential to achieve
fire F-Ratings and temperature T-Ratings as indicated on Drawings, but not less
than 1-hour.
1. Wall Penetrations: Fire F-Ratings as indicated on Drawings, but not less
than 1-hour.
2. Floor Penetrations: Fire F-Ratings and temperature T-Ratings as indicated
on Drawings, but not less than 1-hour.
a. Floor Penetrations Within Wall Cavities: T-Rating is not required.
B. Through Penetration Firestopping of Non-Fire Rated Floor Assemblies: Materials
to resist free passage of flame and products of combustion.
1. Noncombustible Penetrating Items: Noncombustible materials for
Penetrating items connecting maximum of three stories.
2. Penetrating Items: Materials approved by authorities having jurisdiction
for penetrating items connecting maximum of two stories.
FIRESTOPPING 07840- 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
C. Report unsatisfactory or questionable conditions to Engineer in writing. Do not
proceed with work until Engineer has provided further instructions.
3.02 PREPARATION
A. Provide adequate temporary support as necessary to assure structural value or
integrity of affected portion of work.
B. Provide devices and methods to protect other portions of project from damage.
C. Provide protection from elements for that portion of the Project which may be
exposed by cutting and patching work, and maintain excavations free from water.
3.03 PERFORMANCE
A. Execute cutting and demolition by methods which will prevent damage to other
work, and will provide proper surfaces to receive installation of repairs.
B. Execute excavating and backfilling by methods which will prevent settlement or
damage to other work.
C. Execute fitting and adjustment of products to provide a finished installation to
comply with specified products,functions,tolerances and finishes.
D. Restore work, which has been cut or removed; install new products to provide
completed Work in accord with requirements of Contract Documents.
E. Fit work airtight to pipes, sleeves, ducts, conduits and other penetrations through
surfaces.
F. Refinish entire surfaces as necessary to provide an even finish to match adjacent
surfaces:
1. For continuous surfaces,refinish to nearest intersection.
2. For an assembly,refinish entire unit.
END OF SECTION 01750
CUTTING AND PATCHING 01750-3
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
5. Visual qualities of sight-exposed elements.
B. Request shall include:
1. Identification of the Project.
2. Description of affected work.
3. The necessity for cutting, alteration or excavation.
4. Effect on work of Owner or any separate contractor, or on structural or
weatherproof integrity of Project.
5. Description of proposed work:
a. Scope of cutting, patching, alteration, or excavation.
b. Trades who will execute the work.
C. Products proposed to be used.
d. Extent of refinishing to be done.
6. Alternatives to cutting and patching.
C. Should conditions of Work or the work schedule indicate a change of products from
original installation,Contractor shall submit request for substitution as specified.
D. Submit written notice to Engineer designating the date and the time the work will be
uncovered.
PART 2 -PRODUCTS
2.01 MATERIALS
A. Comply with specifications and standards for each specific product involved.
PART 3 -EXECUTION
3.01 INSPECTION
A. Inspect existing conditions of Project, including elements subject to damage or to
movement during cutting and patching.
B. After uncovering work, inspect conditions affecting installation of products, or
performance of work.
CUTTING AND PATCHING 01750-2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01750- CUTTING AND PATCHING
PART 1 - GENERAL
1.01 REQUIREMENTS INCLUDED
A. The Contractor shall be responsible for all cutting, fitting and patching, including
attendant excavation and backfill, required to complete the work or to:
1. Make its several parts fit together properly.
2. Uncover portions of the Work to provide for installation of ill-timed work.
3. Remove and replace defective work.
4. Remove and replace work not conforming to requirements of Contract
Documents.
5. Remove samples of installed work as specified for testing.
6. Provide routine penetrations of non-structural surfaces for installation of
piping and electrical conduit.
1.02 RELATED REQUIREMENTS
A. Section 15600-HVAC
B. Section 16100-Electrical
1.03 SUBMITTALS
A. Submit a written request to Engineer well in advance of executing any cutting or
alteration which affects:
1. Work of the Owner or any separate Contractor.
2. Structural value or integrity of any element of the Project.
3. Integrity or effectiveness of weather-exposed or moisture resistant elements
or systems.
4. Efficiency, operational life, maintenance or safety of operational elements.
CUTTING AND PATCHING 01750- 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
PART 2 PRODUCTS
A. Not used
PART 3 EXECUTION
A. Not used
END OF SECTION 01700
CONTRACT CLOSEOUT 01700 - 4
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
D. Contents: Prepare a Table of Contents for each volume, with each Product or
system description identified, type on 24 pound white paper.
E. Part 1: Directory, listing names, addresses, and telephone numbers of Engineer,
Contractor, Subcontractors, and major equipment suppliers.
F. Part 2: Operation and maintenance instructions arranged by system and subdivided
by specification section. For each category, identify names, addresses, and telephone
numbers of Subcontractors and suppliers. Identify the following:
1. Significant design criteria.
2. List of equipment.
3. Parts list for each component.
4. Operating instructions.
5. Maintenance instructions for equipment and systems.
G. Part 3: Project documents and certificates, including the following:
1. Shop drawings and product data.
2. Certificates.
3. Photocopies of warranties.
H. Submit one (1) copy of completed volumes in final form fifteen (15) days prior to
final inspection. This copy will be returned after final inspection, with Engineer
comments. Revise content of documents as required prior to final submittal. Video
tape operating instructions and provide two (2) copies of tape.
I. Submit final volumes revised,within ten(10) days after final inspection.
1.08 SPARE PARTS AND MAINTENANCE MATERIALS
A. Provide products, spare parts, maintenance and extra materials in quantities
specified in individual Specification Sections.
B. Deliver to Project site and place in location; obtain receipt prior to final payment.
CONTRACT CLOSEOUT 01700 - 3
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
1.05 ADJUSTING
A. Adjust operating Products and equipment to ensure smooth and unhindered
operation.
1.06 PROJECT RECORD DOCUMENTS
A. Maintain on site, one set of the following record documents; record actual revisions
to the work:
1. Contract Drawings.
2. Specifications.
3. Addenda.
4. Change Orders and other Modifications to the Contract.
5. Reviewed shop drawings, product data, and samples.
B. Store Record Documents separate from documents used for construction.
C. Record information concurrent with construction progress.
D. Record Documents and Shop Drawings: Legibly mark each item to record actual
construction.
E. Delete Engineer title block and seal from all documents.
F. Provide (1) Mylar copy and(1)electronic copy of record drawings.
G. Submit documents to Engineer with claim for final Application for Payment.
1.07 OPERATION AND MAINTENANCE DATA
A. Submit three (3) Sets prior to final inspection, bound in 8-1/2 x 11 inch text pages,
three D side ring capacity expansion binders with durable plastic covers.
B. Prepare binder covers with printed title "OPERATION AND MAINTENANCE
INSTRUCTIONS", and title of project.
C. Internally subdivide the binder contents with permanent page dividers, logically
organized as described below; with tab titling clearly printed under reinforced
laminated plastic tabs.
CONTRACT CLOSEOUT 01700 - 2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01700- CONTRACT CLOSEOUT
PARTI GENERAL
1.01 SECTION INCLUDES
A. Closeout procedures.
B. Final cleaning.
C. Adjusting.
D. Project record documents.
E. Operation and maintenance data.
F. Spare parts and maintenance materials.
1.02 RELATED SECTIONS
A. Section 01500-Construction Facilities and Temporary Controls: Progress cleaning.
1.03 CLOSEOUT PROCEDURES
A. Submit written certification that Contract Documents have been reviewed, work has
been inspected, and that work is complete in accordance with Contract Documents
and ready for Engineer's inspection.
B. Provide submittals to Engineer that are required by governing or other authorities.
C. Submit final Application for Payment identifying total adjusted Contract Sum,
previous payments, and sum remaining due.
D. Owner will occupy all portions of the building as specified in Section 01010.
1.04 FINAL CLEANING
A. Execute final cleaning prior to final inspection.
B. Clean equipment and fixtures to a sanitary condition.
C. Remove waste and surplus materials, rubbish, and construction facilities from the
site and properly dispose of same.
CONTRACT CLOSEOUT 01700 - 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
1.04 STORAGE AND PROTECTION
A. Store and protect products in accordance with manufacturer's instructions, with seals
and labels intact and legible. Store sensitive products in weather-tight, climate
controlled enclosures.
B. All products shall be stored in areas designated by the Owner.
C. Provide equipment and personnel to store products by methods to prevent soiling,
disfigurement, or damage.
D. Arrange storage of products to permit access for inspection. Periodically inspect to
assure products are undamaged and are maintained under specified conditions.
1.05 PRODUCT OPTIONS
A. Products Specified by Reference Standards or by Description Only: Any product
meeting those standards or description.
B. Products Specified by Naming One or More Manufacturers: Products of
manufacturers named and meeting specifications, no options or substitutions
allowed.
C. Products Specified by Naming One or More Manufacturers with a Provision for
Substitutions: Submit a request for substitution for any manufacturer not named.
1.06 SUBSTITUTIONS
A. Engineer will consider requests for Substitutions only within fifteen (15) days after
date of Owner-Contractor Agreement.
PART 2 PRODUCTS
A. Not Used
PART 3 EXECUTION
A. Not used
END OF SECTION 01600
MATERIAL AND EQUIPMENT 01600 - 2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01600 -MATERIAL AND EQUIPMENT
PART1 GENERAL
1.01 SECTION INCLUDES
A. Products.
B. Transportation and handling.
C. Storage and protection.
D. Product options.
E. Substitutions.
1.02 PRODUCTS
A. Products: Means new material, machinery, components, equipment, fixtures, and
systems forming the work. Does not include machinery and equipment used for
preparation, fabrication, conveying and erection of the work. Products may also
include existing materials or components required for reuse.
B. Do not use materials and equipment removed from existing premises, except as
specifically permitted by the Contract Documents.
C. Provide interchangeable components of the same manufacturer, for similar
components.
D. All products shall be United States made.
1.03 TRANSPORTATION AND HANDLING
A. Transport and handle products in accordance with manufacturer's instructions.
B. Promptly inspect shipments to assure that products comply with requirements,
quantities are correct, and products are undamaged.
C. Provide equipment and personnel to handle products by methods to prevent soiling,
disfigurement, or damage.
MATERIAL AND EQUIPMENT 01600 - 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
1.07 PROGRESS CLEANING
A. Maintain areas free of waste materials, debris, and rubbish. Maintain site in a clean
and orderly condition.
B. Broom and vacuum clean interior areas prior to start of surface finishing, and
continue cleaning to eliminate dust.
C. Remove waste materials, debris, and rubbish from site weekly and dispose off-site.
PART 2 PRODUCTS
A. Not Used
PART 3 EXECUTION
A. Not Used
END OF SECTION 01500
CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS 01500-2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01500-CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS
PART1 GENERAL
1.01 SECTION INCLUDES
A. Temporary Utilities: Electricity, lighting,and sanitary facilities.
B. Construction Facilities: Progress cleaning.
1.02 RELATED SECTIONS
A. Section 01700- Contract Closeout: Final cleaning.
1.03 TEMPORARY ELECTRICITY
A. Connect to existing power service. Power consumption shall not disrupt Owner's
need for continuous service.
B. Owner will pay cost of energy used. Exercise measures to conserve energy.
C. Power Service Characteristics: 120/280 volt, three phase,4 wire electricity.
D. Permanent existing convenience receptacles may be utilized during construction.
1.04 TEMPORARY LIGHTING
A. Provide branch wiring from power source to distribution boxes with lighting
conductors,pigtails, and lamps as required.
B. Maintain lighting and provide routine repairs.
C. Permanent building lighting may be utilized during construction.
1.05 TEMPORARY SANITARY FACILITIES
A. Temporary outdoor portable toilet facilities (separate Men's and Women's') will be
supplied by the Contractor in designated area.
1.06 PARKING
A. As directed by the Owner.
CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS 01500- 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
B. Pipe welds shall be made only by operators who have been qualified by the National
Certified Pipe Welding Bureau, and each operator's qualification record shall be
submitted to the Designer before any work is performed.
C. Shop welding shall be in accordance with the "Code for Welding in Building
Construction."
END OF SECTION 01400
QUALITY CONTROL 01400-2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01400-QUALITY CONTROL
1.01 GENERAL PROVISIONS
A. Attention is directed to the CONTRACT, CONDITIONS OF THE CONTRACT,
and all Sections within DIVISION 1 - GENERAL REQUIREMENTS, which are
hereby made a part of this Section of the Specifications.
1.02 INSPECTIONS
A. All materials and workmanship (if not otherwise designated by the Specifications)
shall be subject to inspection, examination, and testing by the Owner and the
Engineer at any and all times during manufacture and construction and at any and all
phases where such manufacture or construction are carried on. The Contractor and
his Subcontractors shall furnish all facilities and give such assistance for inspection,
examination, and tests as the Owner may direct or require and shall secure for the
Owner free access to all parts of any factories and plants in which any materials are
being manufactured or prepared and to all parts of the work of construction and
erection. The Contractor shall furnish, to the Owner, such advance notice of the
preparation or manufacture of any materials as will enable the Owner to arrange for
inspection at the place of preparation or manufacture. The Owner shall have the
right to reject defective material and workmanship or require its correction.
Rejected material shall be promptly segregated and removed from the premises and
satisfactorily replaced with proper material without charge therefore. If the
Contractor falls to proceed at once with the correction of rejected defective
workmanship or material, the Owner may, by Contract or otherwise, have the
defects remedied or rejected material removed from the site and charge the cost of
the same against any monies which may be due the Contractor, without prejudice to
any other rights or remedies of the Owner in the premises.
B. The decision of the Owner shall be final, except as regards (1) latent defects, (2)
departures from specific requirements of the Contract and the Specifications and
Drawings made a part thereof, (3) damage or loss in transit, or (4) fraud or such
gross mistakes as amount to fraud. The inspection of material and workmanship for
final acceptance as a whole or in part shall be made at the site.
1.03 CERTIFIED WELDERS
A. Structural welds shall be made only by operators who have been licensed by tests, as
prescribed in the "Standard Qualification Procedure" of the American Welders
Society,to perform the type of work required.
QUALITY CONTROL 01400- 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
1.05 PRODUCT DATA
A. Submit the number of copies, which the Contractor requires, plus two (2) copies,
which will be retained by the Engineer.
B. Mark each copy to identify applicable products, models, options, and other data.
Supplement manufacturers' standard data to provide information unique to this
Project.
C. After review, distribute in accordance with Article on Procedures above and provide
copies for Record Documents described in Section 01700-Contract Closeout.
1.06 MANUFACTURER'S INSTRUCTIONS
A. When specified in individual specification Sections, submit manufacturers' printed
instructions for delivery, storage, assembly, installation, start-up, adjusting, and
finishing,in quantities specified for Product Data.
B. Identify conflicts between manufacturers' instructions and Contract Documents.
PART 2 PRODUCTS
A. Not Used
PART 3 EXECUTION
A. Not used
END OF SECTION 01300
SUBMITTALS 01300 - 2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01300-SUBMITTALS
PARTI GENERAL
1.01 SECTION INCLUDES
A. Submittal procedures.
B. Construction progress schedules.
C. Product data.
D. Manufacturers' instructions.
1.02 RELATED SECTIONS
A. Section 01700- Contract Closeout: Contract warranty and closeout submittals.
1.03 SUBMITTAL PROCEDURES
A. Transmit each submittal with Engineer accepted form.
B. Apply Contractor's stamp signed or initialed certifying that review, verification of
products required, field dimensions, adjacent construction work, and co-ordination
of information, is in accordance with the requirements of the work and Contract
Documents.
C. Schedule submittals to expedite the Project, and deliver to Engineer at his office.
Co-ordinate submission of related items.
D. Provide space for Contractor and Engineer review stamps.
E. Revise and resubmit submittals as required, identify all changes made since
previous submittal.
F. Distribute copies of reviewed submittals to concerned parties. Instruct parties to
promptly report any inability to comply with provisions.
1.04 CONSTRUCTION PROGRESS SCHEDULES
A. Submit progress schedule in duplicate within five (5) days after date of
Owner-Contractor Agreement for Engineer review.
B. Revise and resubmit as required.
SUBMITTALS 01300 - 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
6. Review and acceptance of a detailed phasing plan.
PART 2 PRODUCTS
A. Not Used
PART 3 EXECUTION
A. Not Used
END OF SECTION 01039
CO-ORDINATION AND MEETINGS 01039-4
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
4. Remove samples of installed work for testing.
5. Provide openings in elements of work for penetrations of mechanical and
electrical work.
D. Execute work by methods, which will avoid damage to other work, and provide
proper surfaces to receive patching and finishing.
E. Cut rigid materials using masonry saw or core drill.
F. Restore work with new products in accordance with requirements of Contract
Documents.
G. Fit work tight to pipes, sleeves, ducts, conduit, and other penetrations through
surfaces.
H. Maintain integrity of wall,ceiling, or floor construction; completely seal voids.
I. Identify any hazardous substance or condition exposed during the work to the
Engineer for decision or remedy.
1.05 PRE-CONSTRUCTION CONFERENCE
A. Owner will schedule a conference after the bids are received.
B. Attendance Required: Owner,Engineer, Contractor, and all Subcontractors.
C. Agenda:
1. Execution of Owner-Contractor Agreement.
2. Distribution of Contract Documents.
3. Submission of list of Subcontractors, list of products, Schedule of Values,
and progress schedule.
4. Designation of personnel representing the parties in Contract, and the
Engineer.
5. Procedures and processing of field decisions, submittals, substitutions,
applications for payments, proposal request, Change Orders and Contract
closeout procedures.
CO-ORDINATION AND MEETINGS 01039-3
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
F. Co-ordinate phasing of all work with the Smith College facilities personnel and the
and the appropriate staff to limit disruption and to allow adequate time to relocate
personnel and materials.
1.03 ALTERATION PROJECT PROCEDURES
A. Materials: As specified in product Sections; match existing products and work for
patching and extending work.
B. Close openings in exterior surfaces to protect existing work from weather and
extremes of temperature and humidity.
C. Remove, cut, and patch work in a manner to minimize damage and to provide a
means of restoring products and finishes to original or specified condition.
D. Refinish visible existing surfaces to remain in renovated rooms and spaces, to
specified condition for each material, with a neat transition to adjacent finishes.
1.04 CUTTING AND PATCHING
A. Employ skilled and experienced installer to perform cutting and patching.
B. Submit written request in advance of cutting or altering elements which affects:
1. Structural integrity of element.
2. Integrity of weather-exposed or moisture-resistant elements.
3. Efficiency, maintenance, or safety of element.
4. Visual qualities of sight-exposed elements.
5. Work of Owner or separate contractor.
C. Execute cutting,fitting, and patching to complete work, and to:
1. Fit the several parts together, to integrate with other work.
2. Uncover work to install or correct ill-timed work.
3. Remove and replace defective and non-conforming work.
CO-ORDINATION AND MEETINGS 01039-2
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01039-CO-ORDINATION AND MEETINGS
PARTI GENERAL
1.01 SECTION INCLUDES
A. Co-ordination.
B. Field engineering.
C. Alteration project procedures.
D. Cutting and patching.
E. Pre-construction conference.
F. Site mobilization conference.
G. Progress meetings.
1.02 CO-ORDINATION
A. Co-ordinate scheduling, submittals, and work of the various Sections of
specifications to assure efficient and orderly sequence of installation of
interdependent construction elements.
B. Verify that utility requirement characteristics of operating equipment are compatible
with building utilities. Co-ordinate work of various Sections having interdependent
responsibilities for installing, connecting to, and placing in service, such equipment.
C. Co-ordinate space requirements and installation of mechanical and electrical work
which are indicated diagrammatically on Drawings. Follow routing shown for
pipes, ducts, and conduit, as closely as practicable; place runs parallel with line of
building. Utilize spaces efficiently to maximize accessibility for other installations,
for maintenance, and for repairs.
D. Co-ordinate completion and clean up of work of separate Sections in preparation for
Substantial Completion.
E. Co-ordinate access to site for correction of defective work and work not in
accordance with Contract Documents, to minimize disruption of Owner's activities.
CO-ORDINATION AND MEETINGS 01039- 1
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
B. All broken or waste material, rags, packing, etc., resulting from his work shall be
removed by the Contractor.
1.14 OPERATING INSTRUCTIONS
A. Prior to final acceptance, the Contractor shall furnish three (3) sets of complete
instructions for the repair, maintenance, and operation of all systems installed under
his Subcontract. These instructions shall be typed or printed, and each set bound
separately with durable covers.
B. The Contractor shall instruct and fully demonstrate to such person or persons as the
Engineer and/or Owner may designate, regarding the care and use of all systems and
all apparatus pertaining thereto. The contractor shall provide a videotape of the
operating instructions for use by the Owner.
1.15 GUARANTEE
A. The Contractor shall guarantee the satisfactory operation of his work in all parts
for a period of one (1) year after date of substantial completion, and shall agree to
promptly repair or replace any items of his work which are found to be defective
during this period.
B. The Contractor shall pay for repair of damage to the buildings or grounds caused by
defects in his work and for repair to plaster, wood, and other materials or equipment
caused by replacement or repairs to the entire satisfaction of the Engineer and
Owner.
C. Any part of the work installed under this Contract requiring excessive maintenance
shall be considered as being defective.
1.16 RECORD DRAWINGS
A. Provide one (1) set of Mylar black line re-producible of the Drawings with all
changes recorded thereon. A complete set of record drawings shall be provided in
electronic media format compatible with AutoCAD
END OF SECTION 01000
GENERAL REQUIREMENTS 01000-6
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
A. Existing active services (water, gas, sewer, data, energy management, electric) when
encountered shall be protected against damage. Do not prevent or disturb operation
of active services which are to remain. If active services are encountered which
require relocation, make request to authorities with jurisdiction and the Owner for
determination of procedures. Where existing services are to be abandoned, they
shall be terminated in conformance with requirements of the utility or municipality
having jurisdiction and with applicable code requirements.
1.10 SITE INSPECTION
A. Bidders should inspect the site to become familiar with conditions of the site which
will affect the work. Bidders should verify points of connection with utilities,
routing of outside piping to required clearances from any existing structures or other
obstacles.
B. Extra payment will not be allowed for changes in the work required because of the
successful bidder's failure to make this inspection.
1.11 PLANS AND SPECIFICATIONS
A. The Plans and Specifications are complementary and anything called for, or
reasonably implied, in the Plans and not in the Specifications, or vice versa, shall be
considered as called for or reasonably implied in both.
B. The Contractor shall assume all responsibility in scaling measurements from the
Drawings.
C. Because of the small scale of the Drawings, it is not possible to indicate all offsets,
fittings and accessories that may be required. The Contractor shall carefully investi-
gate the structural and finish conditions affecting all his work and shall arrange such
work accordingly, furnishing such fittings, traps, offsets, valves, and accessories as
may be required to meet such conditions, at no additional cost.
1.12 PRODUCT HANDLING
A. The Contractor shall provide for the delivery of all his materials and fixtures to the
building site when required, so as to carry on his work efficiently and to avoid
delaying his work and that of other trades.
1.13 ENVIRONMENTAL CONDITIONS
A. All necessary tools machinery, scaffolding, and transportation for completion of his
Contract shall be provided by the Contractor.
GENERAL REQUIREMENTS 01000-6
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
1.07 SUBMITTALS
A. Before ordering materials shipped to the job, the Contractor shall submit to the
Engineer six (6) sets of catalogue cuts, manufacturers' data sheets, or Shop
Drawings, giving all details, dimensions, capacities, etc. of all materials to be
furnished on the project. One (1) set shall be forwarded to the Austen Riggs Facility
for review.
B. The Contractor shall check the Shop Drawings thoroughly for compliance with the
Plans and Specifications before submitting them to the Engineer for review, making
any and all changes which may be required.
C. The review of Shop Drawings by the Engineer shall not relieve the Contractor from
any obligation to perform the work strictly in accordance with the Contract
Drawings and Specifications. The responsibility for errors in Shop Drawings shall
remain with the Contractor.
D. In the event that materials are being delivered to or installed on the job for which
Shop Drawings or samples have not been approved and/or which are not in
accordance with the Specifications, the Contractor will be required to remove such
materials and substitute approved materials at his own expense and as directed by
the Architect.
1.08 PERMITS,FEES AND INSPECTIONS
A. The Contractor shall secure all permits and pay all fees required for his work. He
shall be required to secure all other permits and pay all other fees and charges
incidental to the proper carrying out of the Contract. He is to assume all
responsibility regarding the observance of the rules and regulations so far as they
relate to his part of the work.
B. The Contractor shall arrange and pay for all required inspections of his work.
1.09 ACTIVE SERVICES
GENERAL REQUIREMENTS 01000-6
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
D. The Contractor shall co-operate to the fullest extent with all other trades in order to
expedite the progress of the work. He shall furnish all information pertaining to his
materials as to sizes, locations, and means of support, to all other trades requiring
such information.
E. The arrangement of all ductwork, piping, conduit, wire and cable indicated on the
Drawings is diagrammatic only, and indicates the minimum requirements of this
work. Conditions at the building shall determine the actual arrangement of runs,
bends, offsets, etc. The Contractor shall lay out all his work at the site and be
responsible for the accuracy thereof. Conditions at the building shall be the
determining factor for all measurements.
F. All work shall be laid out and installed so as to require the least amount of cutting
and patching. Drilling of all holes required for the installation of pipes, conduit, and
cable runs shall be performed by the Contractor installing such items.
G. The Contractor shall be responsible for the proper protection of his work and
materials from injury or loss at the hands of others and shall make good such loss or
injury at his own expense. All pipes left open during the progress of the work shall
be capped or plugged at all times. All instruments and operating apparatus shall be
protected by suitable means.
H. The Contractor shall be responsible for all equipment and materials installed under
this Section until the final acceptance of the project by the Owner.
1.05 QUALITY ASSURANCE
A. Equality of materials or articles other than those named or described in this Section
will be determined in accordance with the provisions of the Contract.
B. The Contractor shall agree to accept as final the results of tests secured by a
qualified testing laboratory engaged by the Owner.
1.06 PRODUCTS
A. With the exception of items specifically noted otherwise, all materials shall be U.S.
made, new, full weight, and first class in every respect, without defects, and
designed to function properly in that portion of the work for which they are
intended, and with the same brand of manufacturer for each class or category of
material or equipment. Electrical materials and equipment of types for which there
are Underwriters Laboratories standard requirements, listings, or labels shall
conform to their requirements and be so labeled.
GENERAL REQUIREMENTS 01000-6
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
12. Cutting , patching and painting.
B. Scheduling of all work shall be coordinated with the Smith College Facilities. This building
will remain in use during the entire operation and scheduling of all work must be carefully
coordinated with the staff.
1.03 CODES, ORDINANCES AND INSPECTIONS
A. All materials and the installation thereof shall conform to the requirements of the
Massachusetts State Building Code, Electrical Code, Fuel Gas and Plumbing Code
and local laws, rules, regulations, and codes pertaining thereto. Where provisions of
the Contract Documents conflict with any codes, rules or regulations, the latter shall
govern. Where the Contract requirements are in excess of applicable codes, rules or
regulations, the Contract provisions shall govern unless the Engineer rules
otherwise.
B. The Contractor shall comply with the Local Code Enforcement Officials' instruc-
tions at no additional cost to the Owner.
1.04 INSTALLATION REQUIREMENTS
A. The Contractor shall employ only competent and experienced workmen at a regular
schedule in harmony with the other tradesmen on the job. He shall also exercise
care and supervision of his employees in regard to proper and expeditious laying out
of his work.
B. The Contractor shall have a Foreman or Superintendent assigned to the Project who
shall be authorized to make decisions and receive instructions exactly as if the
Contractor himself were present. The Foreman or Superintendent shall not be
removed or replaced without the express approval of the Engineer after construction
work begins.
C. The Contractor shall be held responsible for any injuries or damage done to the
building premises or adjoining property or to other Contractors' work resulting from
the execution of his part of the work in any manner whatsoever; and in case of
dispute arising as to the extent or share of responsibility incurred by the Contractor,
it is agreed between the Owner and the Contractor that such liability and extent of
damage shall be finally determined by the Engineer whose decision shall be final
and binding on both parties to the Contract for the work in question.
GENERAL REQUIREMENTS 01000-6
HVAC System Renovations
Presidents House
Smith College
Northampton, Massachusetts
SECTION 01000-GENERAL REQUIREMENTS
PART 1 - GENERAL
1.01 INTENT
A. The Contractor shall furnish all labor, materials, appliances and equipment
necessary for installation of new HVAC and Electrical systems in the Presidents
House, in accordance with the Specifications and applicable Drawings and subject
to the terms and conditions of the Contract.
1.02 SCOPE OF WORK
A. Furnish all labor, materials, plant, equipment and services necessary for and
reasonably incidental to the complete installation of all work specified herein and/or
indicated on the Drawings, including,but not limited to, the following:
1. All cutting and patching of wall, ceilings and floors as required to install the
hew heating system piping , equipment and controls.
2. Modifications to the existing wood radiator exclosures.
3. New two-pipe hot water heating system .
4. Revisions to existing power wiring.
5. New DDC control system.
6. Demolition, removal from site and legal disposal of all existing systems and
equipment made obsolete by new construction. The Owner does not wish to
retain any salvaged materials.
7. All existing systems and equipment which are to remain in operation and which
interfere with new construction shall be relocated and reconnected as required.
8. Guarantee.
9. Instructions.
10. Record Drawings.
11. Fire Safing
GENERAL REQUIREMENTS 01000-6
Invitation to Bid
HVAC SYSTEM RENOVATIONS
THE PRESIDENTS HOUSE
SMITH COLLEGE
Northampton, Massachusetts
You are invited to bid on a General Construction Project entitled: HVAC System
Renovation, Presidents House, located at Smith College in Northampton, Massachusetts.
The documents have been prepared by: TJ Conway Inc.
The project consists of replacing the existing steam heating systems, with a new two pipe
hot water system. This work will require minor cutting and patching as well as minor
electrical work and a new DDC temperature control system.
Proposals will be receive from a pre-approved list of general contractors. Unsolicited
proposals of individuals, partnerships, companies or corporations will not be considered.
The project will commence May 30, 2014, and be Substantially Completed by August 15,
2014.
Copies of bidding documents will be distributed by Smith College. on Monday, May 12,
2014
Proposals shall be received at the office of Smith College., Wednesday, May 28, 2014, at
2:00 p.m.
The Owner will open proposals in private. Bidders may not be present at the time of
opening of proposals.
The Owner reserves the right to reject any or all bids of the General Bidders and to waive
any informality in the bids received and to accept the bid which in its judgment best serves
the interests of the Owner.
By order of
The Trustees of Smith College
PAGE 1 of 1
HVAC SYSTEM RENOVATIONS
THE PRESIDENTS HOUSE
SMITH COLLEGE
Northampton, Massachusetts
G. The undersigned agrees that if he is selected as General Contractor, he will within five days,
Saturdays, Sundays, and legal holidays excluded, after presentation thereof by the Owner,
execute a Contract in accordance with the terms of the general bid.
H. The undersigned hereby certifies that he/she is able to furnish labor that can work in harmony
with all other elements of labor employed or to be employed on the work.
I. The undersigned further certifies under the penalties of perjury that the said undersigned is
not presently debarred from doing public construction work in the Commonwealth under the
provisions of Section 29F of Chapter 29, or any other applicable debarment provisions of any
other Chapter of the General Laws or rules or regulations promulgated thereunder.
Date:
(Name of General Bidder)
By:
(Business address)
(City, State, and Zip Code)
(Business Phone)
BID FORM PAGE 2 of 2
HVAC SYSTEM RENOVATIONS
THE PRESIDENTS HOUSE
SMITH COLLEGE
Northampton, Massachusetts
FORM FOR GENERAL BID
BIDDER:
TO: The Awarding Authority—Trustees of Smith College
126 West St.
Northampton, MA 01060
A. The undersigned proposes to furnish all labor and materials required for installation of the
New HVAC system in the Presidents House, Smith College, Northampton, Massachusetts, in
accordance with the accompanying Drawings and Specifications prepared by TJ Conway Inc.,
95 Progress Ave., Springfield, MA 01104, for the contract price specified below, subject to
additions and deductions according to the terms of the Specifications.
B. This bid includes addenda numbered
C. The proposed contract price is
Dollars ($ ).
D. The additional cost for work of Alternate Bid No. 1 $
E. The undersigned certifies that, if awarded the Contract for this project, the following
Subcontractors shall be used:
SECTION TRADE SUBCONTRACTOR
General Construction
Electrical
F. The Contractor shall conduct the required work of this Contract with regard to the following
dates:
1. Commence work in Presidents House no later than Friday, May 30, 2014..
2. Complete the required work no later than Thursday, August 14, 2014.
F. In submitting this bid, it is understood that the Owner reserves the right to reject any or all
bids of the general bidders and to waive any informalities in bidding, if it be in the Owner's
interest to do so. The Owner also reserves the right to reject any or all Contractors. It is also
agreed that this bid may not be withdrawn within thirty (3) days of the receipt of bids,
Saturdays, Sundays, and legal holidays excluded.
BID FORM PAGE I of 2
HVAC SYSTEM RENOVATIONS
PRESIDENTS HOUSE
SMITH COLLEGE
Northampton, Massachusetts
TABLE OF CONTENTS
TITLE
Title Sheet
Table of Contents
BIDDING REQUIREMENTS
Invitation to Bid
Instructions to Bidders
SPECIFICATIONS
DIVISION 1 -GENERAL REQUIREMENTS
Section 01000- Summary of the Work
Section 01039- Coordination and Meetings
Section 01300- Submittals
Section 01400- Quality Control
Section 01500-Construction Facilities and Temporary Controls
Section 01600-Material and Equipment
Section 01700- Contract Closeout
Section 01750- Cutting and Patching
DIVISION 7 -FIRESTOPPING
Section 07840-Firestopping
DIVISION 15 - MECHANICAL WORK
Section 15600-HVAC
DIVISION 16 -ELECTRICAL WORK
Section 16100-Electrical
TABLE OF CONTENTS TOC - 1
i
SPECIFICATIONS
FOR
HVAC SYSTEM RENOVATIONS
THE PRESIDENTS HOUSE
SMITH COLLEGE
NORTHAMPTON, MASSACHUSETTS
BID SET
PREPARED BY
TJ CONWAY INC
CONTRACTORS and ENGINEERS
95 PROGRESS AVENUE
SPRINGFIELD, MASSACHUSETTS 01104
413-732-5131
FAX 413-731-0786
JOB NO. 2014-66 May 15, 2014
SET NO.