HomeMy WebLinkAbout22-0001-Plumbing-(FSB)_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021
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SECTION 22 0001
PLUMBING
(Filed Sub-Bid Required)
PART 1 - GENERAL
1.01 FILED SUB-BIDS REQUIRED
A. The work of this section shall be included in the Plumbing Subcontractor Sub Bid. Refer to
Section 22 0001: PLUMBING FILED SUB-BID SUMMARY for additional requirements.
1.02 GENERAL REQUIREMENTS
A. The Conditions of the Contract and General Requirements of the Project Manual apply to this
Subcontractor, material suppliers, and all other persons furnishing labor and materials under this
Section. The General Conditions, and applicable parts of Division 01 are included as part of this
Section.
B. Examine all Project Specifications and Drawings for requirements which affect work of 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 work of this Section.
Cooperate with such trades to assure the steady progress of all work under the Contract.
D. The following definitions apply to the Drawings and Specifications:
1. Furnish: The term "furnish" is used to mean "supply and deliver to the Project Site, ready for
unloading, unpacking, assembly, installation, and similar operations".
2. Install: The term "install" is used to describe operations at the Project Site including actual
"unloading, unpacking, assembly, erection, piecing, anchoring, applying, working to
dimension, finishing, curing, protecting, cleaning, and similar operations".
3. Provide: The term "provide" is used to mean "furnish and install, complete and ready for the
intended use".
4. Installer: An "installer" is the Contractor or an entity engaged by the Contractor, either as an
employee, Subcontractor, or Sub-Subcontractor for performance of a particular construction
activity, including installation, erection, application, and similar operations. Installers are
required to be experienced in the operations they are engaged to perform.
E. When open-flame or spark producing tools such as blow torches, welding equipment, and the like
are required in the process of executing the work, the General Contractor shall be notified not
less than twenty four (24) hours in advance of the time that the work is to begin and the location
where work is to be performed. Provide fire protective covering and maintain constant non-
working fire watch where work is being performed until it is completed.
1.03 DESCRIPTION OF WORK
A. Provide all labor, materials, equipment, services and accessories necessary to furnish and install
the work of this Section, complete and functional, as indicated in the Contract Documents and as
specified herein.
B. The work covered by this Section of the Specifications includes the furnishing of all labor and
materials and in performing all operations in connection with the installation of the Plumbing
Work.
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C. Without limiting the generality thereof, the work to be performed under this Section includes:
1. Domestic water service to 10 ft. outside building and/or as shown on the Drawings.
2. Complete Sanitary, Waste & Vent System to 10 ft. outside building and/or as shown on the
drawings.
3. Kitchen waste system including exterior grease trap and interior grease traps. Exterior grease
trap to be provided with dedicated vent and terminate at building roof.
4. Domestic Cold, Hot, and Hot Water Re-circulation System.
5. Make-up water for HVAC.
6. Natural Gas System. Run gas piping to Hot water heaters, boilers, RTU’s, MAU and kitchen
equipment,
7. Gas solenoid valve interlocked with ansul system and co detectors for kitchen exhaust hood.
8. New storm system including roof drains and overflow drains as indicated on the drawings.
Provide temporary rain leader piping as required to divert water from roofs out of the building
and into stormwater collection structure in accordance with the project stormwater prevention
plan in the event that permanent rain leader system is not installed or ready to be utilized.
9. Furnish and install domestic water heater air intake and exhaust breeching.
10. Hot water Heater and Boiler flue air intake and vent.
11. Insulation.
12. Domestic Water Heating Equipment.
13. Fixtures and Equipment
14. Inline solids interceptor at art sinks and recessed solids interceptor for floor drain at pottery
wheels.
15. Elevator sump pump with alarm panel pumped to an oil interceptor.
16. All floor drains and floor sinks to be provided with trap primers whether shown on the
drawings or not.
17. Sub-metering of domestic hot water & boiler make-up water. ATC sub-contractor to supply
meters for installation by Plumbing Contractor.
18. Sub-metering of gas system as indicated on the drawings. ATC sub-contractor to supply
meters for installation by Plumbing Contractor.
19. Connection to Equipment Furnished by Others
20. Flushing, Sterilization, and Tests
21. Furnishing of Access Panels
22. Drilling, Coring and Cutting & Patching of holes and openings where the largest dimension
thereof does not exceed 12 inches for Plumbing Piping and Equipment.
23. Provide and maintain temporary water service as directed by General Contractor. General
Contractor to pay for all water use.
24. Scaffolding, Rigging, and Staging required for all Plumbing Work. Comply with Division 01
requirements.
25. Provide Seismic Restraints for all Plumbing Systems conforming to the requirements of
Section 23 05 48 which Section is herein incorporated by reference. Seismic restraints are
required on all new systems whether in new or existing building.
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26. Preparation of Coordination Drawings.
27. Smoke and Firestopping Seals and sealing of all wall penetrations as detailed on the
drawings. Refer to Section 07 8413 which defines the firestopping materials and methods.
28. At Project close out the Plumbing Sub-Contractor shall provide the services of an outside firm
who shall run an underground video camera, locating all drainage system lines including
depth, preparing a video and identifying & correcting any problem areas. The Plumbing Sub-
Contractor shall rod-out and power wash all underground drainage systems. Turn over 4
copies of the video and written report to the owner. Videos are required for the underground
sanitary, and garage waste.
29. It shall be the responsibility of this division 22 0001 to provide all personnel necessary to fully
coordinate with the commissioning agent. The hours of training and instruction outlined in
this division 22 0001 and the Testing requirements shall be in addition to those tests and
requirements outlined in section 01 9113 and required to fulfill section 01 9113
commissioning obligations.
30. When open-flame or spark producing tools such as blower torches, welding equipment, and
the like are required in the process of executing the work, the General Contractor shall be
notified not less than twenty four hours in advance of the time that the work is to begin and
the location where work is to be performed. Provide fire protective covering and maintain
constant non-working fire watch, paying all fees, where work is being performed and until it is
completed. Fee for fire watch shall be included in the bid.
1.04 RELATED WORK
A. The following Related Work will be performed under the designated Sections:
1. Domestic Water Service to 10 ft. outside – DIVISION 33 – UTILITIES
2. Cutting and Patching beyond 1.03C.22 above: SECTION 01 7700 – CLOSEOUT
PROCEDURES.
3. Electric Power Wiring: SECTION 26 0000 - ELECTRICAL
4. HVAC Equipment: SECTION 23 0000 - HVAC
5. Excavation and Backfill: DIVISION 31 - EARTHWORK
6. Sanitary Sewer and storm drains to 10 feet outside the foundation wall: DIVISON 33 -
UTILITIES
7. Finish Painting: SECTION 09 0007 EXTERIOR PAINTING and SECTION 09 0007 –
INTERIOR PAINTING.
8. Roofing: Section 07 0002 – Roofer to install clamping ring and strainer basket.
9. Installation of Access Panels: SECTION 08 3113 describing material in which panel is
installed.
10. Toilet Room Accessories: SECTION 10 2800 – TOILET, BATH, AND UTILITY ROOM
ACCESSORIES
11. Temporary Facilities: SECTION 01 5000 - TEMPORARY FACILITIES AND CONTROLS
1.05 CODES, ORDINANCES, AND PERMITS
A. Perform all work in accordance with the requirements of the Town of Easton Building
Department, Massachusetts State Plumbing and Fuel Gas Codes, D.E.P., A.D.A., NFPA, The
Architectural Barrier Code, and applicable State and Federal Laws. Give all requisite notices, file
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all requisite plans, and obtain all permits required to perform all Plumbing Work. Where the
Contract Documents indicate more stringent requirements than the above Codes and
Ordinances, the Contract Documents shall take precedence.
B. Obtain all permits, inspections, and approvals, from the governing authorities and pay all fees and
include cost in the bid, including approvals for the cross-connection control device. Provide the
Owner with the cross-connection permit for the device in the Owner's name.
C. Owner will pay all related Gas Utility Company back charges.
1.06 DISCREPANCIES IN DOCUMENTS
A. Where Drawings or Specifications conflict or are unclear, advise Designer in writing before Award
of Contract. Otherwise, Designer's interpretation of Contract Documents shall be final, and no
additional compensation shall be permitted due to discrepancies or unclarities thus resolved.
B. Where Drawings or Specifications do not coincide with manufacturers' recommendations, or with
applicable codes and standards, alert Designer in writing before installation. Otherwise, make
changes in installed work as Designer requires within Contract Price.
C. If the required material, installation, or work can be interpreted differently from drawing to
drawing, or between drawings and specs, this contractor shall provide that material, installation,
or work which is of the higher standard.
D. It is the intent of these contract documents to have the contractor provide systems and
components that are fully complete and operational and fully suitable for the intended use. There
may be situations in the documents where insufficient information exists to precisely describe a
certain component or subsystem, or the routing of a component. In cases such as this, where the
contractor has failed to notify the Designer of the situation in accordance with the paragraph
above, the contractor shall provide the specific component or subsystem with all parts necessary
for the intended use, fully complete and operational, and installed in workmanlike manner either
concealed or exposed per the design intent.
E. In cases covered by the paragraph above, where the contractor believes he needs engineering
guidance, he shall submit a sketch identifying his proposed solution and the Designer shall
review, note if necessary, and approve the sketch.
F. HVAC, Plumbing, Fire Protection, and Electrical Drawings are diagrammatic. They indicate
general arrangements of mechanical and electrical systems and other work. They do not show
all offsets required for coordination nor do they show the exact routings and locations needed to
coordinate with structure and other trades and to meet architectural requirements.
G. In all spaces, prior to installation of visible material and equipment, including access panels,
review Architectural Drawings for exact locations and where not definitely indicated, request
information from Designer.
H. Check Contract Drawings as well as Shop Drawings of all subcontractors to verify and coordinate
spaces in which work of this Section will be installed.
I. Maintain maximum headroom at all locations. All piping and associated components to be as
tight to underside of structure as possible.
J. Make reasonable modifications in layout and components needed to prevent conflict with work of
other trades and to coordinate according to Paragraphs A, B, C, D above. Systems shall be run
in a rectilinear fashion.
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K. Where conflicts or potential conflicts exist and engineering guidance is desired, submit sketch of
proposed resolution to Designer for review and approval.
1.07 SHOP DRAWING AND MATERIAL SCHEDULES
A. Refer to SECTION 01 3300 – SUBMITTAL PROCEDURES for submittal of Shop Drawings. If
apparatus or materials are substituted for those specified, and such substitution necessitates
changes in or additional connections, piping, supports or construction, same shall be provided as
the responsibility, and at the expense, of the Plumbing Subcontractor.
B. Fabrication of any material or performing of any work prior to the final approval of the Submittals
will be entirely at the risk of the Subcontractor. The Subcontractor is responsible for furnishing
and installing materials called for in the Contract Documents, even though these materials may
have been omitted from approved Submittals.
C. Submit Shop Drawings for the following materials and equipment.
1. Valves, Piping, couplings and Fittings
2. Fixtures, Drains and Equipment including Supports
3. Backflow Preventers
4. Access Panels and Covers
5. Insulation
6. Drains
7. Grease traps, oil interceptors and solid interceptors.
8. Hose Bibs, Wall Hydrants
9. Hangers, Anchors, Guides, and Supports including Seismic Restraints
10. Cleanouts
11. Piping Identification System
12. Water Heating Equipment
13. Water heater air intake and exhaust breeching including coordinated working drawings of
installation.
14. Natural Gas and Water Sub-meters.
1.08 COORDINATION DRAWINGS
A. Before materials are purchased or Work is begun, prepare and submit to the Architect,
Coordination Drawings showing the size and location of all equipment and piping lines relevant to
the complete system. Ensure that these Drawings are compatible and correctly annotated and
cross-referenced at their interfaces (match lines).
B. Coordination Drawings are for the Contractor's and the Architect's use during Construction and
shall not be construed as replacing any Shop or Record Drawings required elsewhere in these
Contract Documents.
C. Detailed procedures for Coordination Drawings are contained in SECTION 01 3100 –
COORDINATION of these Contract Documents.
1.09 RECORD DRAWINGS
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A. General: Refer to SECTION 01 7700 – CLOSEOUT PROCEDURES for general requirements for
maintaining as-built drawings and submitting final reproducible record documents.
B. The Construction Manager will provide two sets of Drawings to the Plumbing Subcontractor, one
set of which shall be maintained at the site and which shall, at all times, be accurate, clear, and
complete, showing the actual locations of all equipment and piping as it is being installed. The
Record Drawings shall be available to the Architect/Engineer's field representative at all times.
C. Provide electronic AutoCAD drawings to indicate revisions to piping size and location both
exterior and interior; including locations of valves and other equipment requiring periodic
maintenance or repair; actual equipment locations, dimensioned from column lines; concealed
equipment, dimensioned to column line; mains and branches of piping systems, with valves and
control devices located and numbered, concealed unions located, and with items requiring
maintenance located.
D. Include in the Record Drawings any addenda, sketches, and supplementary Drawings issued
during the course of construction.
E. Non-availability of Record Drawings or inaccuracies therein will postpone the final inspection until
they are available.
F. All valves shown on these Drawings shall be numbered with numbers corresponding to those on
the valve charts.
G. All costs related to the foregoing requirements shall be paid by the Plumbing Subcontractor.
1.10 OPERATING INSTRUCTIONS AND MAINTENANCE MANUALS
A. Provide operating instructions to the Owner's designated representative with respect to operation
functions and maintenance procedures for all equipment and systems installed. At the
completion of the project, turn over to the Architect four (4) complete manuals, in three-ring,
loose-leaf binders, containing the following:
1. Complete Shop Drawings of all equipment.
2. Operation description for all systems.
3. Names, addresses, and telephone numbers of all suppliers of the system.
4. Preventative maintenance instructions for all systems.
5. Spare parts lists of all system components.
6. Four copies of video of below slab piping.
7. Valve tag chart.
1.11 GUARANTEE
A. Refer to Division 01 of the Contract. Guarantee all work under this Section free from defects in
workmanship and materials for a period of one (1) year from the date of final acceptance of the
building, as set forth in the Contract. Replace any such defective work developing during this
period, unless such defects are clearly the result of bad usage of equipment by others. Where
such defective work results in damage to work of other Sections of the Specifications, restore
such work to its original condition by mechanics skilled in the affected trade.
1.12 DRAWINGS
A. All work shown on the Drawings is intended to be approximately correct to scale, but shall be
taken in a sense as diagrammatic. Sizes of pipes and general method of running them are
shown, but it is not intended to show every offset and fitting. To carry out the true intent and
purpose of the plans, furnish all necessary parts to make complete working systems ready for
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use. The Plumbing Drawings are intended to show the main stacks and risers and may or may
not necessarily show all runout piping particularly in lavatories and gang toilet areas. Contractor
shall include all runout piping to all referenced scheduled fixtures and equipment appearing on
the Plumbing Drawings.
B. All floor drains installed on this project, including all kitchen floor drains and trough drains, shall
be equipped with trap primers. The trap primer and piping is not shown on the drawings and shall
be located in the filed by the Contractor as dictated by field piping conditions.
C. The Plumbing Drawings and Specifications are intended to supplement each other so that any
details shown on the Drawings and not mentioned in the Specifications, or vice-versa, shall be
executed the same as if mentioned in the Specifications and shown on the Drawings.
D. Refer to the Architectural, Structural, and other Mechanical and Electrical Drawings, which
indicate the construction in which this Work shall be installed. Locations shown on the plans shall
be checked against the general and detailed Drawings of the construction proper. All
measurements shall be taken at the Building.
1.13 VALVE TAGS, NAMEPLATES, AND CHARTS
A. All valves on pipes of every description shall have neat circular brass valve tags at least 1-1/2 in.
in diameter attached with brass hook to each valve stem. Stamp on these valve tags, in letters as
large as practical, the number of the valve and the service, such as "H.W., C.W., GAS", for hot
water, cold water, and gas respectively. The numbers for each service shall be consecutive.
Where valves are located above ACT ceilings, furnish and install valve finder ceiling tack, tack
shall be minimum 7/8 in. diameter with 1/2 in. steel point, color as determined by Owner.
B. All valves on tanks and pumps shall be numbered by 3 in. red metal discs with white numbers 2
in. high, secured to stem of valves by means of small solid link brass chain, to correspond to
numbers indicated for valves on the Record Drawings and on two (2) printed detailed lists. These
printed lists shall state the numbers and locations of each valve and the fixture or group of
fixtures which it controls, and other necessary information such as requiring the opening or
closing of another valve or valves when any one valve is to be opened and closed, and shall be
prepared in form to meet approval of the Architect, and shall be framed under glass.
C. Nameplates, catalog numbers, and rating identifications shall be securely attached to Electrical
and Mechanical equipment with screws or rivets. Adhesives or cements will not be permitted.
1.14 PIPE MARKER IDENTIFICATION SYSTEM
A. Mark all piping installed under this Section and at all Access Panels with a marking system in
basic colors conforming to those specified in ANSI/ASME A-13.1. Markings shall indicate pipe
content and direction of flow. Markers shall be applied at all valves and tee joints, and on straight
runs of pipe at every 20 ft.-0 in. on center. Adhesive markings are not acceptable. Markers shall
be painted on under the scope of this Section or may be snap-on system.
B. Clearly mark potable and non-potable water system with 4 inch wide colored bands, with arrow for
direction of flow, every twenty-five (25) feet on center on all piping installed whether it is
concealed or exposed and also on both sides of floor and/or wall penetrations. Mark potable
water green and non-potable yellow. Within 6 in. of each band identify with letter "Potable C.W.",
Non-Potable H.W." Color of letter shall match banding. Snap-on are not to be used
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1.15 SANITARY, WASTE, VENT AND KITCHEN WASTE AND VENT SYSTEMS
A. Furnish and install complete Sanitary, Waste, Vent, Kitchen Grease Waste and Vent, and Storm
Drainage Systems (all hereinafter called Drainage Systems) to convey wastes from all Soil and
Waste Stacks, Fixtures, Equipment, Kitchen Fixtures, and Roof Drains as indicated and/or
described in these Plans and Specifications. Urinal waste shall be 2 in. cast iron or sizes
indicated on the drawings. Waste piping smaller than 3 in. shall not be used underground. The
use of double "Y's" in the horizontal shall not be permitted. All piping shall be installed straight
and true and located concealed within building construction.
B. All horizontal Drainage Systems Piping within the building, 3 in. and smaller, shall be pitched at
least 1/4 in. per ft. in the direction of flow. Drainage Piping 4 in. and larger shall be pitched at least
1/8 in. per ft. Make changes in direction of drainage lines with 45 wyes, long turn wyes, or sweep
bends.
C. Furnish and install all cleanouts indicated on the Drawings and/or where required in Drainage
Pipes regardless of size so that the distance between cleanouts does not exceed 45 ft. o.c.
Cleanouts shall be installed at the base of all risers and at each change of direction.
D. Refer to drawings for termination points, which generally are connection to existing piping or to 10
feet outside the building.
E. The kitchen Grease Waste System shall be a completely separate system beginning at the
exterior grease interceptor through the kitchen and vented individually through the roof. Do not
connect soil lines to the grease waste nor sanitary vents to the grease vent. Furnish and install
the cast iron tees and associated piping within the grease trap including 5-foot length on the
outlet. All the piping within the grease trap shall be made up with caulked and leaded joints. Install
an exterior cleanout as detailed at the point where the line leaves the kitchen area. Grease trap
is furnished by the plumber and set in place including manhole access covers by the General
Contractor.
1.16 DOMESTIC WATER SYSTEMS
A. Furnish, install, sterilize, and test in accordance with the documents and the Plumbing Code,
complete potable and non-potable Domestic Cold, Hot, and Hot Water Recirculating Systems
including all piping, valves, low point drains, shock absorbers, hangers, insulation, backflow
preventers, balancing valves and water heating equipment. Clearly mark the systems as
provided above. This work shall start as indicated on the Drawings.
B. In general, piping shall pitch upward in the direction of flow with each branch and riser separately
valved and with 1/2 in. hose end drain on the outlet side of the valve and at all low points in the
system. Install shutoff valves for each battery of fixtures and other valves as necessary to isolate
any part of each system.
C. Install shock absorbers on hot and cold water piping to each fixture. Provide shock absorbers at
all quick closing valves and as shown on the Drawings and/or specified.
D. Install a 1/2 inch hose bibb in each toilet room provided with a floor drain. The hose bibb shall be
installed under a lavatory.
E. Install a 1/2 inch hose bibb in each mechanical room.
F. Furnish and install a ball valve, balancing valve and check valve at each hot water recirculation
line before it connects to another hot water recirculation line.
G. All components of the domestic water system shall be “lead free” per federal Standards.
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1.17 FUEL GAS SYSTEM
A. Furnish and install a complete Natural Gas Supply System including pipe, fittings, valves,
connections to all gas fired equipment requiring gas, and all accessories and incidentals as
indicated or specified. Installation shall be made in accordance with the State Gas Code
requirements. Piping shall be installed with an 8 in. long sediment leg at the base of all risers. All
changes in direction shall be made with plugged tees for cleaning piping out.
B. All horizontal Gas Piping shall be pitched not less than 1/4 in. in 15 ft. to prevent traps. Pitch
piping to risers. Install an 8 in. long sediment leg at the base of all risers. All changes in direction
shall be made with plugged tees for cleaning piping out. All horizontal branch outlet pipes shall
be taken from the top or side of horizontal mains and not from the bottom. Install shutoff valves
for each battery of equipment and other valves as necessary to isolate any part of each system.
C. Arrange with the Local Gas Company for the installation of the gas meters, services, and gas
pressure regulators. Refer to DIVISION 01 - GENERAL REQUIREMENTS for information
regarding Utility Company Charges.
D. Provide seismic restraints for all gas piping per requirements of the Mass. Building Code. Refer
also to Section 230548.
E. Plumbing Sub-Contractor shall furnish and install all gas vents for all knockdown regulators
whether furnished by this Section, HVAC, or any other Section.
1.18 EQUIPMENT FURNISHED BY OTHERS
A. Miscellaneous items, including but not necessarily limited to the following, shall be furnished and
set by others as specified in other SECTIONS of the Documents.
1. Dishwashers
2. Kitchen Equipment
3. Ice Maker
4. Undercounter refrigerator
5. Washers
B. Verify the extent of the connection requirements from the General and Mechanical Plans and
Specifications and be responsible for: Setting in place, all such sinks and furnishing and installing
trim and roughing including, but not limited to, drains, vent, water, gas, air or other plumbing
piping, traps, tailpiece, nipples, escutcheons, faucets, and stop valves for all items which above
are not so supplied. The equipment sections specify sinks including faucets and tailpieces as
well as countertop turrets for gas. Include for all sinks which are installed in cabinet work a pair of
1/2 in. ball valve stops (same as specified under 2.04) and a rough bronze p-trap, special waste
trap, or sediment trap.
C. The Plumbing Subcontractor shall be responsible in making final connections to all equipment
furnished by others to ascertain complete cross-connection prevention compliance and to furnish
and install vacuum breaker and backflow preventers which may be required to be Code compliant
and are not so furnished with the equipment.
D. All sinks are intended to be "Accessible" and all drain outlets on all sinks and lavatories where
furnished by the Plumbing Subcontractor or the other SECTIONS shall have an off-set drain. Set
all roughing tight to wall in all cases to comply with ADA Standards. Provide where required ADA
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insulation kits to prevent injury where a barrier is not included in the casework. Refer to
Equipment Drawings.
1.19 PAINTING
A. All interior exposed piping is to be painted and all painting, except as noted, will be done by the
Painting Subcontractor. All uncovered piping and hangers shall be thoroughly cleaned of rust, oil,
and other containments by the Plumbing Subcontractor and left ready to receive primer coat.
B. Painting for pipe markings shall be done under this Section.
C. Painting for exterior gas piping at gas meter and at rooftop equipment, shall be done under this
Section.
1.20 HOISTING EQUIPMENT AND MACHINERY
A. Unless otherwise specified, all hoisting and rigging equipment and machinery required for the
proper and expeditious prosecution and progress of the Work of this Section shall be furnished,
installed, operated and maintained in safe condition by each sub-contractor, as specified under
Section 015000, TEMPORARY FACILITIES AND CONTROLS.
1.21 STAGING AND SCAFFOLDING
A. Unless otherwise specified, each sub-contractor shall provide all lifts and man-lifts, and furnish,
erect and maintain in safe condition, all staging and scaffolding as specified under Section
015000 Temporary Facilities and Controls, as needed for proper execution of the work of this
Section. Staging and scaffolding shall be of adequate design, erected and removed by
experienced stage builders having all accident prevention devices required by Federal, state and
local laws.
1.22 COMMISSIONING
A. Where indicated in the equipment or commissioning specifications, engage a factory-authorized
service representative, to perform startup service as per functional test sheets and requirements
of Section 018100 – General Commissioning Requirements.
B. Complete installation and startup checks and functional tests according to Section 018100 –
General Commissioning Requirements and manufacturers written instructions.
C. Operational Test: After electrical system has been energized, start units to confirm proper unit
operation. Rectify malfunctions, replace defective parts with new one and repeat the startup
procedure.
D. Verify that equipment is installed and commissioned as per requirements of Section 018100 and
manufacturers written instructions/requirements.
1.23 BREAKDOWN
A. Submit a breakdown of the contract price to aid the Architect in determining the value of the work
installed as the job progresses.
B. No requisition will be approved until the breakdown is delivered to the Architect.
PART 2 - PRODUCTS
2.1: PIPE AND FITTINGS
A. All pipe and fittings shall be new and unused, conforming to the latest standards of the A.S.A.,
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A.S.T.M. No. D-2665 and other similar standards. Each length of pipe and each fitting bear the
stamp of the name of the manufacturer.
B. Sanitary, Waste and Vent and Interior Rain Water Leaders:
1. Pipe and fittings shall be cast iron drainage, waste and vent type with clamp type no-hub
joints, flame retardant, code approved, Massachusetts State Plumbing Code and Cast-Iron
Soil Pipe Institute requirements. Exposed piping in Commercial Kitchen shall be copper
DWV with soldered joints.
2. Horizontal pipe and fittings 5” and larger shall be suitably braced to prevent movement.
This must be done at every branch opening or change in direction by the use of braces,
blocks, rodding, or other suitable method, to prevent movement or joint separation. This
bracing may be field fabricated or a manufactured system.
C. Hot and Cold Water (below ground):
1. Pipe to be Type K heavy and hard temper with cast bronze fittings and conforming to
Federal Specifications WW-T-799. All joints shall be silver solder brazed.
D. Exterior Water Pipe:
1. Exterior water piping shall be cement lined ductile iron (North American Made and Lead
Free), with jointing method approved by local authorities. Bedding material to be washed
sand, laid in 6-inch layers, each layer tamped manually. Bedding depth to be minimum 6
inches below and above pipe barrel. Provide water meter of type as approved by local
authorities.
E. Hot and Cold Water (aboveground):
1. Pipe and fittings shall be hard temper Type-L copper water tubing, solder-joint with cast
bronze, or wrought copper, fittings with code approved lead-free solder.
2. Viega ProPress may be used as as an alternate to solder- joint fittings. ProPress, Bronze,
or copper shall conform to ASME B16.51, NSF 61, NSF 61-G, NSF 372 and mechanical
press standard of ICC PS 1002 & IAPMO PS117. ProPress fittings ½-inch thru 4-inch for
use with ASTM B88 copper tube type K, L, or M. shall have an EPDM sealing element and
Smart Connect (SC) feature – guaranteed leak detection identifying un-pressed fittings.
System must be installed in conformance to manufacturer’s instructions / specifications for
manufacturers approved applications.
F. Exposed Piping
1. Exposed water and waste piping at fixtures shall be chromium plated heavy-gauge brass.
G. Fuel Gas Piping
1. Piping shall be Schedule 40 steel piping with threaded or welded connections or type-L
seamless copper with brazed fittings as required by the State Fuel Gas Codes, and
installed by a licensed gas fitter in strict accordance with the State Plumbing and Fuel Gas
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Code, NFPA 54.
2. Viega MegaPress Gas System may be used as an alternate to threaded / brazed
connections. Fittings ½-inch through 2-inch shall conform to ANSI LC4-2012 /CSA 6.32-
2012 2nd Edition. MegaPress G fittings with zinc/nickel coating for use with IPS schedule
5 thru schedule 40 carbon steel, or galvanized pipe conforming to ASTM A53, ASTM A106,
ASTM A135, or ASTM A795. Fittings shall have an HNBR sealing element, 420 stainless
steel grip ring, 304 stainless steel separator ring, and Smart Connect (SC) Feature that
guarantees detection of an un-pressed fitting. Installation must be in accordance to
manufacturer’s instructions and specifications utilizing manufacturers approved tooling. All
installers MUST be trained by the manufacturer for proper installation.
3. All exposed gas piping shall be painted. Outdoor piping shall be color gray. Indoor piping
shall be color yellow.
4. Underground gas piping for generator shall be Tracpipe PS-II, or approved equal.
Alternative would be schedule 40 piping inside corrosion resistant sleeve.
2.2: VALVES, FLANGES AND UNIONS
A. All systems under this section shall be provided with valves to permit complete and sectional
control of the system. They shall be located to permit easy operation, replacement specified
herein. They shall be as manufactured by one of the following companies: Jenkins Brothers,
Nibco, Apollo or approved equal, and shall conform to description listed below. All valves 2-1/2"
and smaller shall be bronze body, 316 stem, extended handle (for insulation), Teflon seats and
seals, adjustable packing box with removable retaining collar; sweat connection. 3" and larger
shall be iron body, bronze fitted solid body flanged.
B. Hot & Cold Water
1. Gate Valves: 1/2" - 2" Jenkins Model No. 1240
2. Ball Valves: 1/2" - 2" Apollo Series 82-100
3. Check Valves: 1/2" - 2" Jenkins Model No. 1222
5. Viega ProPress Valves: 1/2'” – 2”
C. Gas valves 2 inch and smaller shall be all bronze tapered thread Boston pattern with plug cock.
2-1/2 inch and larger, bronze body gate screw end, Jenkins #370 or equal.
D. Master mixing valves shall be of the two-stage high-low solid bimetal type linked directly to valve
porting, adjustable limit stop, color coded scale. Unit shall be all brass/bronze construction,
chrome plated suitable for exposed wall mounting complete with stops, pressure reducing valve,
temperature and pressure gauges. Provide on HW main at HW Tank.
E. Drain Valves shall consist of hose drain valve with cap and chain Jenkins Fig. No. 372.
F. Flanges on water piping shall be companion type, faced and drilled for not less than 125 pounds
of steam working pressure complete with necessary adapter, and shall be of size and material of
adjacent piping.
G. Unions on water piping shall be suitable for a working pressure of not less than 150 pounds and
shall be of size and material of adjacent piping. Provide unions, screwed or flanged, where
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indicated and in the following locations:
1. In long runs of piping (over 40') to permit convenient disassembly for alterations or repairs.
2. In all equipment by-passes.
3. At all equipment connections such as tanks, pumps, heaters or equipment requiring
disconnection for servicing, repairs, or replacement; locate all unions between shut off and
equipment.
H. Provide shutoff valves where indicated and specified, and in the following locations, whether
indicated or not:
1. At all bases of all risers either at the riser or at the point of takeoff from the main.
2. At all individual takeoffs to individual toilet rooms.
3. Locate all valves for easy access, operation and serviceability. Locate all valves with the
stem in the vertical position.
I. Nonmetallic pipe insulators shall be installed between all dissimilar pipe materials to prevent
corrosion. Insulators shall contain plastic separators for metallic-non-metallic contact. Pipe
hangers that come in contact with piping of dissimilar materials shall also be insulated via plating
or shielding to guard against galvanic or cathodic corrosion.
J. Wall Hydrants to be Zurn Z-1310, all bronze, or equal non-freeze type.
K. Hosebibbs to be Chicago Model #952-633PLCP, or approved equal,
L. Automatic trap primer devices shall be Zurn Z-1022, or equal. Trap primer piping is shown
diagrammatically on plans. Run an individual 1/2" trap primer water line from the trap primer
device to each floor drain or trench drain regardless of what is indicated on the plans.
M. Reduced pressure backflow preventers shall be Watts Model #009QT, or approved equal, all
bronze, of the sizes indicated on the drawings, with full port ball valves and spare parts kit.
Provide back complete testable backflow preventer at janitors sink if chemicals are being used.
Provide inline Watts 9D check valve at any kitchen equipment as required by code, including but
not limited to coffee makers, ice machines, dishwasher and pot sink.
N. Provide Circuit Solver, or approved equal, balancing valves of all brass construction and
suitable for potable water duty. If standard balancing valves are used, Plumbing contractor is
responsible for balancing hot water recirculation system.
O. Provide water hammer devises on cold water lines with quick closing valves whether shown on
the plans or not. Including water closets, urinals and washers.
2.3: PIPE COVERING AND INSULATION
A. Furnish and install pipe covering for all aboveground potable and non-potable hot and cold water
piping complete through all floors and all exposed piping below handicapped lavatories and
sinks. Pipe covering and insulation shall be installed by a qualified insulation contractor
acceptable to the Architect. Installation application shall be in accordance with manufacturers
recommendations. Carry insulation through sleeves and pipe hangers, with insulation protectors
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at points of hanger support. Pipe covering shall be as manufactured by Owens-Corning, Johns
Mannville, Certain-Teed, or approved equal.
B. Domestic Hot Water, Domestic Hot Water Recirc., Cold Water, Tempered Water, Non-Potable
hot, Non-Potable cold water and Interior Rain Water Piping Insulation
1. Fibrous glass, 3-1/2 lb. per cubic ft. minimum density, pre-molded sectional type snap-on
insulation with factory applied self-sealing flame-retardant vapor barrier jacket, 25/50 rated.
Thickness shall be 1".
2. Fittings and valves shall have pre-molded 25/50 rated PVC insulated fitting covers equal to
Mannville Zeston.
3. All above ground horizontal and vertical rainwater leader piping shall be insulated.
4. Insulate all horizontal and vertical sanitary and waste piping above common areas for noise
control.
5. Insulate all vertical sanitary risers located in chases adjacent to all bedrooms for noise
control.
C. All exposed piping under sinks or lavatories shall be provided with Truebro “Lav Guard2” or
approved equal.
2.4: CLEAN OUT AND DRAINS
A. Where Clean out occur in walls or partitions, the clean out cover shall be accessible through an
opening left in the wall and covered with a flush chromium plated brass plate or access panel
securely fastened in place equal to Zurn #Z-1469.
B. Where test tees are installed at the base of the stack, or on the stack, they may be used as a
clean out.
C. Brass Clean out shall be recessed nut all brass solid construction.
D. Where Clean out occur in floors of resilient tile, carpet, or stone tile, the clean out cover shall be
accessible and provided with a finished cover suitable for matching that finish or with carpet
markers and zippers in carpeted areas for maximum access.
E. In general, all Clean out, whether indicated or not, shall be located in accessible locations out of
the way of public traffic, and located in closets or other adjacent areas with sufficient access
distance from walls and/or partitions for service.
F. Clean out in buried piping (FCO) shall be equal to Zurn #Z-1401 “Leveltrol”, adjustable for floor
thickness, all exposed parts nickel-bronze.
G. Floor drains shall be equal to Zurn #Z-415, or approved equal, all exposed parts nickel bronze.
H. Roof drains shall be Zurn #Z-100, or approved equal. Provide roof clamps, sump receiver and
extension as required.
I. Floor sinks shall be Zurn #Z-1950,,or approved equal.
J. Overflow drains shall be Zurn Z-100-W3, or approved equal with internal water dam. Provide
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roof clamps, sump receiver and extension as required.
K. Wall Scuppers for overflow drains shall be Jay R Smith model 1771, or approved equal.
2.5: SLEEVES, HANGERS AND SUPPORTS
A. Provide IPS galvanized pipe sleeves for all soil, waste and vent, hot & cold water and gas piping
passing through all floors in the building. Sleeve to be large enough to encompass insulation on
piping served. Sleeves are to be set before slabs are poured or holes through existing floors or
walls are to be drilled under this section of the specifications. Provide approved flexible mastic
sealer between sleeve and wall of pipe and sleeve in sufficient thickness to preserve fire integrity
of floor construction Special care shall be taken for piping passing vertically through first floor, in
sealing off against ground water. Submit data to architect of sealant to be used. Top of all
sleeves to be 2 inches above finish floor, for water dam, except flush with floor in finished areas.
Sleeve to be full thickness of floor. Coordinate exact locations of all holes or all sleeves with
architect/structural engineer prior to installation. Provide dimensional sleeve/hole drawings, as
required.
B. All piping installed under this section of the specification shall be independently supported from
the building structure steel and/or concrete decks and not from the piping, roof decks, ductwork,
rack hangers or conduit of this and/or any other trades. All supplementary steel, including factory
fabricated channels, required to meet the requirements specified herein shall be furnished and
installed by the Plumbing Contractor. Refer to Section 23 05 48 for Vibration control and seismic
restraints as well as drawing VS-1 in section 23.
C. Space hangers for horizontal piping as follows:
Pipe Size
Rod Diameter
Maximum Spacing
1/2 and 3/4 A
3/8 in.
6 ft.- 0 in.
1 in. and 1-1/4 in.
3/8 in.
8 ft.-0 in.
1-1/2 and 2 in.
3/8 in.
10 ft.-0 in.
2-1/2 and 3 in.
2 in.
10 ft.-0 in.
4 and 5 in.
5/8 in.
12 ft.-0 in.
6 in.
3/4 in.
12 ft.-0 in.
8 in. and over
7/8 in.
12 ft.-0 in.
D. Maximum spacing of hangers on soil, waste or vent pipe shall be five feet (5') and hangers shall
be provided at all changes in direction.
E. Where codes having jurisdiction require closer spacing, the hanger spacing shall be as required
by code in lieu of the distances specified herein.
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F. Hangers for uncovered (un-insulated) copper and brass shall have factory applied heavy copper
plating.
G. All hangers on insulated lines shall be sized to fit the outside diameter of the pipe insulation.
Provide pipe covering protection saddles at all hangers on the insulated lines.
H. All hangers shall be secured to approved devices to building with bolts/lock-nuts inserts or
expansion shields wherever possible and practicable. Drilling where required shall be done by
the Plumbing contractor under this section of the Specifications.
I. Piping shall be buried per 248 CMR
2.7: FIXTURES & EQUIPMENT
A. General Requirements: Fixture colors shall be standard white, unless specifically called for
otherwise. Faucets and fittings shall be standard chrome, unless specifically called for
otherwise. The plumbing contractor shall furnish and install fixtures in accordance with the
drawings and following schedule. Supplies to each fixtures shall be provided with chrome plate
loose key stops. All newly installed toilets, urinals and showerheads that are eligible for labeling
must be WaterSense labeled.
B. P-1 Water Closet (Wall Hung)
1. Equal to Toto #CT708E wall hung, back outlet, flush valve operated, vitreous china, siphon
jet, elongated bowl with 1-1/2" rear spud; color to be white.
2. Flushometers equal to Toto TET1LA 1.28 GPF, Automatic, Ecopower flush valve, to be
provided with vacuum breaker, stop valve & tailpiece.
3. Toto model SCS534 seat with closing lid.
4. Wall mounted chair carrier to suit.
5. Mounting height shall be as required by “Architectural Barrier Board” Regulations
C. P-1A Water Closet (Wall Hung - ADA)
1. Fixture to be same as specified for P-1, including provision of all accessories, except mounting
height shall be in accordance with the “Architectural Barrier Board” Regulations.
D. P-2 Lavatory (Multi-Station) – Refer to plans for number of stations
1. Lavatory shall be equal to Bradley #LD-3010 “OmniDeck 3000 Series” continuous solid
surface bowl having “flowing wave” design, 84" long x 22" deep with 2 pre-assembled
automatic spray head modules, aerators; color selection by Architect. Automatic
faucets shall be battery powered and shall be provided with all accessories including
infrared sensing model and solenoid valve.
2. Six (6) Brasscraft CS400A, or equal, angle supplies with integral stops and flex. risers.
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3. Two (2) tail piece, cast brass chrome plated trap with IPS outlet, chrome plated
brass trap nipple and raised type chrome plated waste escutcheon.
D. P-2A Lavatory (Wall Hung ADA)
1. Equal to Kohler #K-2084 vitreous china, wall hung lavatory, 20" wide by 18" back to
front, with 4” on center faucet holes with overflow and drilled for concealed arm chair
carrier; color to be white.
2. Faucet for each lavatory shall be equal to Toto TEL103, automatic, eco power, single
supply, deck mounted, chrome plated 4” center-set cast brass, 0.35 gpm aerator
complete with mixing valve with integral check valves at each inlet and chrome plated
brass grid strainer.
3. Two (2) Brasscraft CS400A, or equal, angle supplies with integral stops and flex.
risers.
4. Kohler #K-13885, or equal, offset drain, Kohler #K-8998, or equal, adjustable cast
brass chrome plated P-trap and chrome plated brass trap nipple.
5. Zurn, Josam, J.R. Smith or Wade floor supported chair carrier to suit.
F. P-3 Urinal (Wall Hung)
1. Toto UT445U, or approved equal, high efficiency type, top spud vitreous china,
washout, wall hung urinal with china strainer.
2. Toto TEU1UA12#CP, or approved equal, exposed eco power operated, chrome
plated, .125 gpf flush valve with integral vacuum breaker and stop valve and vandal
proof wrench.
3. Zurn, Josam, J.R. Smith or Wade floor mounted chair carrier to suit.
G. P-3A Urinal (Wall Hung ADA)
1. Fixture shall be same as specified for P-3, including provision of all accessories,
except mounting height shall be as required by “Architectural Barrier Board”
regulations.
H. P-4 36” Shower Base
1. Aquatic model F3636DPAN, or approved equal accessible shower base.
2. Shower Drain
3. Symmons Temptrol Model S-96-300-B30-L-X-V pressure balancing mixing valve with single
blade lever handle, integral volume control, adjustable stop screw to limit handle turn, integral
service stop and inline vacuum breaker. Shower head shall be Niagara Model N2945CH
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“Earth” low flow, high efficiency, 1.5 gpm, handheld shower head with tangle-free, flexible
72” stainless steel hose and mounting bracket; polished chrome finish.
I. P-4A 60” Shower Base
1. Aquatic model F6034DPAN, or approved equal accessible shower base.
2. Shower drain,
3. Symmons Temptrol Model S-96-300-B30-L-X-V pressure balancing mixing valve with
single blade lever handle, integral volume control, adjustable stop screw to limit handle turn,
integral service stop and inline vacuum breaker. Shower head shall be Niagara Model
N2945CH “Earth” low flow, high efficiency, 1.5 gpm, handheld shower head with tangle-
free, flexible 72” stainless steel hose and mounting bracket; polished chrome finish.
J. P-5/5A - Classroom Sink
1. Just Manufacturing Model SL-ADA-17519, modified # 18 ga. Type 304 stainless
steel, self-rimming, counter mounted sink with three (3) hole punching on right ledge,
single hole on left edge, 5-1/2” deep, centered rear drain opening, for 3-1/2’ drain,
ADA compliant overall dimensions 17 in. x 25 in. x 5-1/2” deep bowl.
2. Chicago # EQ-C21C-25ABCP, or approved touch free sensor faucet. Chrome
plated, battery powered.
K. P-5B – Multi-Station Art Sink
1. Just Model J-9620, or approved equal, single bowl, 96” x 20” x 8” deep, mounted at 34” height,
14 GA type 316 stainless steel scullery sink, no drain board, four (4) hole punched backsplash for
two individual faucets. Provide mounting wall brackets and blocking.
2. Two (2) Chicago #540-LDE2805-5ABCP, wall mounted faucet with 6” in. swing gooseneck spout,
2-3/8 in. wrist blade handles, E-2805 0.5 GPM aerator.
3. Elkay LKAD-35-3-316 crumb cup strainer with 1-1/2” offset tailpiece and type 316 stainless steel
ground seat stopper.
4. 1-1/2 in x 2 in chrome plated P-trap with cleanout, waste outlet with escutcheons.
5. Insulate trap and supplies with stops and escutcheon.
6. Provide solids interceptor.
L. P-6 – Bottle Filler
1. Hasleytaylor #HTHB8-WF, or equal, in wall bottle filling station.
2. All wiring by electrical subcontractor.
M. P-7 Janitor’s Sink
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1. Fiat Industries # MSB 2424 floor mounted janitor’s sink complete with #830 AA chrome
faucet with vacuum breaker outlet, #832-AA 30" long hose and hose bracket, #889-CC
mop hanger, #1453 2 inch grid drain, #833-AA finishing silicone and #E77-AA vinyl 3 piece
rim guard.
2. Provide a faucet-mounted eyewash equal to Guardian G1100 with forged brass diverter
valve with pull knob, dual adjustable aerated outlet heads spaced 3” apart and float-off dust
covers.
3. Install per manufacturer’s instructions.
4. Provide backflow preventer if chemical dispenser is installed at janitors sink.
N. P-8 - Cafeteria Sink
1. Kohler model K-3331, modified # 18 ga. Type 304 stainless steel, undermount sink, centered
rear drain opening, for 3-1/2’ drain, ADA compliant overall dimensions 17 in. x 17 in. x 7-5/8”
deep bowl.
2. Kohler K-15271-4 “Coralais Faucet” with 1.5 GPM Aerator.
O. P-9 Emergency Eyewash Station(Mechanical Room)
1. Guardian Equipment Model G1750BC wall mounted eye/face wash with stainless steel
bowl, 1/2” chrome plated brass stay open ball valve, powder coated cast aluminum flag
handle and wall bracket. Supplied with stainless steel bowl cover which opens when valve
is activated. Unit shall have (2) polypropylene ‘FS Plus’ spray heads with integral filters
and 3.2 GPM flow control orifices mounted on a chrome plated brass eyewash assembly.
Unit shall include ANSI compliant sign.
2. Performance: Unit shall be fully factory assembled and hydrostatically tested to meet or
exceed ANSI Z358.1 - 2009, and come with a full 2-year warranty.
3. Provide Leonard Model TM, or approved equal, liquid thermostatic mixing valve on
tempered water supply, complete with check/stops to deliver 80F tempered water
(adjustable).
P. P-10 Dishwasher
1. Dishwasher by other. Provide plumbing connections. Run waste to sink.
Q. P-11 Washer
1. Symmons Industries Model 602-X Laundry Mate. Provide full size 2" x 36" long standpipe
and trap within wall. Unit to have integral stop valves. Provide bellows type shock
arresters above ceiling on supplies to unit.
2. Provide a Filtrol-160 or equal inline lint filter for each washing machine. Filter shall be
installed in an accessible location.
3. Furnish and install a plastic pan beneath each washer.
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R. P-12 Refrigerator (Ice Maker)
1. Refrigerator by others. Provide water connection with Watts LF7 backflow preventer.
S. Gas-Fired Domestic Hot Water Heaters
1. Each hot water heater to be gas-fired of the size and capacity noted, glass lined complete
with Watts, or equal, pressure / temperature relief valve, vacuum breaker, thermostatic
mixing valve, Expansion tank and shut-off valves on hot and cold-water piping.
2. DWH-1 & 2 Gas-Fired Hot Water Heater to be Lochinvar Model SLR401-125, or equal, high
efficiency condensing type having 125-gallon storage capacity, 399,000 BTU/HR gas input,
145 GPH, 40 to 140 degrees F and 96% efficiency. Tank shall be of glass-lined steel tank
construction and design certified by the Underwriter Laboratories under Volume III tests for
commercial heaters. Tank shall be constructed in accordance with ASME code 125#
working pressure and shall bear the ASME labels. The condensing flue coil shall be coated
on the flue gas side with an acid resistant glass lining designed for use in condensing
heaters. The heater shall be suitable for sealed combustion direct venting using 4" round
high temperature PVC air intake and exhaust vent piping. Heater shall be factory assembled
and tested and shall be approved for 0" clearance to combustibles. Heater tank shall have a
3-year warranty against corrosion or sediment build-up. Tank shall be factory insulated with
foam insulation. Insulation shall meet or exceed the thermal efficiency requirements and
energy factor requirements of ASHRAE/IES standard 90.1b-1992. The outer tank jacket
shall have a baked enamel finish over a bonderized undercoating.
3. Expansion tanks shall be Elbi DTS-30, or approved equal.
4. Recirculation pump shall be Grundfos Magna 32-60, or approved equal w/ integral aquastat
and connection to BMS.
5. Furnish and install Watts – Digitemp V85., or equal, Digital water mixing valve for DWH-1 &
DWH-2, Domestic Water System. Mixing valve shall be installed in strict accordance with
manufactures recommendation.
T. Combustion Air and Vent Flues for high efficiency condensing type gas-fired domestic hot water
heaters and boilers shall be furnished and installed by the Plumbing subcontractor. The
installation shall be performed in strict accordance with the manufacturer’s installation manual.
1. Combustion air and vent flues shall be of the non-metallic type (high temperature CPVC)
and of the size as specifically recommended by the equipment manufacturer, complete
with weather proof concentric fitting, thimbles, flashing, fire stop spacers (at all
wall/floor/ceiling penetrations) and all required fittings & accessories to make a complete
and operable installation.
2. Plumbing Contractor responsible for boiler flue and combustion air piping. Coordinate with
HVAC contractor for manufacturer recommendations for material and termination type.
Basis shall be double wall steel chimney with AL294C interior.
U. Kitchen Equipment:
1. All kitchen equipment to be furnished and set in place, complete with faucets by the Kitchen
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Equipment subcontractor.
2. Plumbing subcontractor shall furnish and install all trim including traps, supplies, stops as
specified under fixtures above in this section.
3. Interior grease traps shall be Shier, or approved equal, rated for 50 or 20 gpm flow rate as
indicated on plumbing schedules and provided with an acid resistant coating and receiving
cradle for floor recessed installation.
4. Provide inline backflow preventers Watts Model 9 D for any kitchen equipment required by
code, including but not limited to coffee machine, ice machines, dishwashers and pot sink.
5. Provide Gas solenoid valve system interlocked with ansul system and co/methane
detection. Refer to drawings for more information,
V. SUMP PUMPS
A. General: Sump pumps to be Stancore, Little Giant or Webtrol.
B. Sump pumps at Elevator Pits shall be Stancore Model SE-50, or approved equal, of all
stainless steel construction and with 10’ power cord and integral float switch, 50 GPM @
25’ head, 1/3 HP, 115V/1 PH.
1. Each elevator sump pit pump shall be provided with an Water Minder detection
system, or approved equal, oil/water detection system complete with control
panel, alarm panel, oil “film” level sensor, 10’ power cord and extra set of dry
contacts for DDC monitoring, 115V/1 Ph power. Connection to BAS shall be by
ATC sub-subcontractor under HVAC Section.
W. EXTEIOR GREASE TRAP
1. Grease trap shall be provided and piped by the Plumbing Sub-contractor. Site
contractor will install the grease trap and provide the covers to grade. Refer to Civil
drawings and details for more information.
2. Grease trap shall be of reinforced precast concrete construction. Connections,
capacity and openings shall be as detailed on the drawing P-2.02 Structure shall
be reinforced for H20 loading. A minimum 24-inch diameter opening shall be cast in
the center of the tank and over the inlet and outlet tees. Manhole covers shall be
raised to finish grade by providing watertight precast 24-inch i.d. risers, or approved
equal. Each riser shall be topped with a watertight frame and cover per Section 2.03,
brought to finished grade as shown on the civil plans.
X. DOMESTIC WATER/GAS SUB-METERS
1. Sub-meters are furnished by ATC Sub-contractor and installed by Plumbing
Contractor.
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PART 3 - EXECUTION
3.1: GENERAL
A. The work of this section shall be coordinated with that of associated trades.
B. The Contractor shall be fully responsible for the proper execution and performance of the
work described herein.
C. Pipe shall be cut accurately to measurements established at the site, shall be worked into
place without springing or forcing. All pipes, without and exceptions throughout the job, shall
be reamed smooth and all burrs removed before being installed. All work shall be executed
in a workmanlike manner and shall present a neat and mechanical appearance. All pipes
shall run parallel or perpendicular to building lines and shall be properly graded. All pipe
connections shall be made in a manner that will allow for freedom of movement during
expansion and contraction. All installation methods shall comply fully with all applicable
Codes and Standards. All plumbing work shall be in accordance with the State Plumbing
Code (248 CMR).
D. Piping system shall be installed so as to have sufficient flexibility to prevent thermal
expansion caused damages to the piping materials or anchors, leakage at joints or distortion
at connected equipment. The flexibility shall be provided by properly designed offsets, loops
or expansion joints. All pipe lines containing expansion joints or loops shall contain anchors
and guides and shall be made in the horizontal position to avoid water pocketing.
E. Unions or Flanges and valves shall be provided to all plumbing equipment allowing proper
replacement or servicing.
F. This contractor shall coordinate and provide all necessary information to the General
Contractor of all plumbing related penetrations, opening, access, cutting and patching
requirements.
G. No plumbing fixtures, devices equipment or piping shall be installed which will provide a
cross connection between a distribution supply for cold water or domestic hot water system
and a polluted supply or drainage system.
H. Fixtures, equipment and accessories shall be set level, plumb and in proper alignment with
reference to adjacent walls. All surfaces coming in connection with walls, floors or other
equipment and fixtures shall have properly leveled surfaces with suitable contact on wall and
floor.
I. Clean all exposed metal surfaces of grease, oil, dirt or other foreign material. Chrome plated
piping, fittings and trimmings shall be polished upon completion. Fixtures and equipment
shall be properly protected from damage during the construction period and shall be cleaned
in accordance with manufacturer’s instructions. The Plumbing Subcontractor shall be held
responsible for the proper location of all blocking and supports and proper alignment of all
fixtures. Unless otherwise noted, all trim above and below fixtures shall be chrome plated.
Upon completion of work, adjust all stop valves, flush valves, balancing valves, control valves
and faucets.
3.2: SANITARY & RAINWATER LEADER SYSTEM - INSTALLATION
A. Interior sanitary and Rainwater leader systems shall pitch in accordance with Code
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requirements, unless otherwise noted.
B. All changes in pipe size and direction on soil and waste piping shall be made with Y’s and
clean out, reducing fittings or recessed reducers. Y’s and 45-degree fittings or 45-degree
combination fittings shall be used wherever conditions permit.
C. Sanitary long sweep bends and Y’s shall be used for connections on branch lines for fixtures
and TY’s on vertical runs of pipe. Long turn fittings shall be used wherever conditions permit.
D. All fittings, regardless of type, shall be furnished complete with the necessary bolts, nuts and
washers, as well as brass or chrome plated nipples of the proper length.
E. Clean out shall be installed where indicated on the drawings, or approximately every 50 feet
(50') for 4" and smaller and every 100 feet (100') for 5" and larger along horizontal runs, at all
changes of direction, and at the base of all soil and waste stacks. Test tees with brass clean
out plugs shall be installed at the base of all vertical piping. Clean out in or back of walls
shall be extended out to finished wall and finished with flush metal access panel. Clean out
located above hung ceiling are to be accessible through metal access panels.
F. Vents shall be extended sufficiently above roof so that outlet shall be minimum of 24" above
roof.
G. Fittings for piping above ground shall be drainage pattern for all threaded and/or soldered
drain and waste piping.
H. Horizontal piping shall be installed with a pitch of not less than 1/8" per foot, unless otherwise
indicated. Buried piping shall be laid on a firm bed surrounded by 2 diameters of pea stone
for its entire length, except where support is otherwise provided for and approved by the
Architect prior to backfilling. All vents shall be provided as shown and in accordance with
local requirements. Provide hangers, as noted above in this section.
3.3: DOMESTIC HOT AND COLD-WATER SYSTEM - INSTALLATION
A. Also refer to 22 00 10-3.01.
B. All water piping shall be installed without traps or pockets and shall pitch to draw-offs so that
the whole system or individual sections can be completely drained. Piping shall be graded
and valved to allow for complete drainage of the system. All draw-off valves shall have hose
connections and shall be capped. Piping shall be pitched upward toward risers and fixtures
for proper air relief. Piping subject to expansion shall be flexible and made to accept shock
without damage or noise.
C. Change in pipe sizes shall be made with concentric reducing fitting. Use of bushing shall not
be permitted.
D. All water piping shall be protected from water hammer by use of manufactured shock
absorbers, with air chamber separated from water contact, at ends of all branch risers, ends
of battery branches and at all fixtures.
E. Water piping shall be installed complete to all plumbing fixtures.
F. Check with Local Authorities regarding any specific requirements above and beyond the
specified herein.
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3.4: GAS SYSTEM INSTALLATION
A. Service work shall include connection to the gas service at the meter location.
B. Work shall include a complete elevated pressure and low-pressure gas piping system for all
gas-fired equipment as indicated on the drawings, complete with all necessary pressure
reducing regulators and vent piping, as required.
C. Refer to other parts of this SECTION for description of piping, valves and other
appurtenances to the gas system.
D. Piping inside the building shall be installed as shown, firmly secured to building structure with
mains and branches all graded evenly to drip points. Gas shut-off valves shall be provided
on branches to all risers at each appliance or outlet connection, and where shown. Suitable
approved drip pockets shall be provided at all low points in piping. Straight malleable iron
couplings shall be used in extending the piping.
3.5: TESTING OF PIPING SYSTEMS
A. General
1. Test all piping systems with water at the pressure head stated for the time interval
required without adding water. While any system is being tested, required head
pressure shall be maintained until all joints are inspected.
2. All tests shall be witnessed by the inspector having jurisdiction with 48-hour notice
given these authorities.
3. Provide all equipment, material, and labor required for testing any of the various
systems or any part thereof.
B. Sanitary and Rainwater Leader Systems
1. Test all drainage systems either in their entirety or in sections as required, after
rough piping has been installed. Each section shall be filled with water but no
section shall be tested with less than a ten-foot head of water. In testing successive
sections at least, the upper ten feet of the next preceding section shall be tested so
that no joint of piping in the building except the upper most ten feet of the systems
shall be submitted to a test of less than a ten-foot head of water. The water shall be
kept in the system for at least 15 minutes before the inspection starts, the system
shall than be made tight at all points.
C. Interior Water Piping Systems
1. Upon completion of the entire water supply system or a section of it as required, it
shall be tested and proved tight under water pressure of 150 psi. Gauge should be
located on the lowest point in the system and pressure shall hold for a period of one
hour without introducing additional water. The water used for testing shall be from a
potable source of supply.
D. Natural Gas System
1. Test entire natural gas system in strict accordance with the local gas company
requirements but, not at less than 6 inches of mercury.
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E. Additional Tests
1. Provide all additional tests such as smoke or pressure tests as required by the
regulations or as directed by authorities making the inspection.
2. Provide for any repeated test as directed by the Architect, to make all systems tight
as required. Upon completion of the work, and after the systems are set, this
Subcontractor shall conduct performance tests of the various systems. These tests
shall be carried out under the supervision of the Architect prior to acceptance of the
systems and shall be arranged for the purpose of demonstrating satisfactory
functional and operating efficiency and he will provide all adjustments, ladders,
lubricants, test equipment and personnel required for these tests.
3. Visual inspections of joints, valves, shall be made as directed by the Architect.
F. Defective Work
1. If inspection or tests show defects, such defective work or material shall be replaced
and inspection tests shall be repeated. All repairs to piping shall be made with new
material. No caulking or screwed joints or holes will be acceptable.
3.6: DISINFECTION OF WATER SYSTEM
A. All water piping shall be filled with a solution of chlorine and water (0.5-1.5 ppm) and allowed
to stand for at least 48 hrs. After the system has been drained and flushed, and refilled, a
sample of the water shall be taken to the local health department for testing. If it has been
that all impurities have not been removed, the above shall be repeated until the system is
free of all impurities and has been approved by the Department of Health. A copy of said
certificate shall be turned over to the Architect for record.
3.7: VALVE TAGS AND CHARTS
A. All valves on pipes of every description shall have neat circular brass valve tags of at least
1-1/2" in diameter, attached with brass hook to each valve stem. Stamp on these valve tags
in letters as large as practical the number of the valve and the service zone, such as “H.W.”,
“C.W.” etc. for hot water, cold water, etc. respectively. The numbers of each service shall
be consecutive.
B. These numbers shall correspond to the numbers indicated for the valves on the record
drawings and on two printed detailed lists. These printed lists shall state the numbers and
locations of each valve and fixture or group of fixtures which it controls, and other necessary
information, such as requiring the opening or closing of another valve or valves, when any
one valve is to be opened or closed.
C. These printed lists shall be typed and framed under glass and mounted as directed by the
Architect.
3.8: CLEANING AND ADJUSTING
A. After the completion of the work, all material and equipment surfaces shall be cleaned and
polished in accordance with the finish of the material. All chromed surfaces shall be highly
polished. All systems shall be thoroughly adjusted for perfect intended operation.
Flushometers, faucets, tempering valves shall be adjusted for flow, temperature of water.
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Pumps, relief valves, and pressure reducing valves shall be adjusted as required.
3.9: OPERATING INSTRUCTIONS
A. The Plumbing contractor shall instruct and fully demonstrate to such person or persons as
the Architect and/or Owner may designate, regarding the care and use of the plumbing
system(s) and all apparatus pertaining thereto.
B. At the time of final acceptance, the Plumbing Subcontractor shall furnish three bound sets of
complete instructions for repair, maintenance, and operation of the system.
3.10: INSPECTION
A. The subcontractor shall inspect all surfaces, areas and other contingent construction in or to
which his work is to be installed and assure himself that they are in proper condition to
receive the work to be performed under this section. The Contractor shall notify the Architect
in writing, before any work is installed, of any condition requiring corrections. Failure to make
such a report shall be construed as acceptance of the existing conditions and the
responsibility to provide an acceptable installation.
3.11: COORDINATION
A. Obtain detailed information from the manufacturers of apparatus which is to be furnished as
to the proper method of installing and connecting same. Obtain all information from the
General Contractor (or Owner) and other contractors which may be necessary to facilitate the
work and to complete the whole project.
B. Refer to the HVAC drawings and also to all other drawings for a full comprehension of the
extent and detail of the work to be performed. Any HVAC work indicated, on any drawings, is
to be considered as required.
C. This subcontractor, before installing any of his work shall see that it does not interfere with
the clearance required for finished columns, pilasters, partitions, walls, and ceilings, as
shown on the contract Architectural Drawings and details.
D. Any work installed by this subcontractor, which interferes with or modifies the Architectural
designs as shown on the contract drawings shall be changed as directed and at all costs
incident to such changes shall be paid by the subcontractor.
E. In any and all cases of discrepancy in figures, plans or specifications, the matter shall be
immediately submitted to the Architect for decision before doing any work.
3.12: WORKMANSHIP
A. Any and all work under this section of the Specification found improper or of poor
workmanship shall be removed, repaired, and/or replaced at no additional expense to the
Contract.
B. The Plumbing work shall be performed in harmony with other work in the building, and at
such times as to not interfere with or hold back in an unwarranted manner any other trade.
The Plumbing work shall be installed as fast as conditions will allow, and it must be ready for
use when the building is complete. In the event that any changes are required because of
the installation of any substitutions, the costs of such shall be borne by the Plumbing
Contractor making such substitutions.
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3.13: CODES, ORDINANCE AND PERMITS
A. All work shall be performed in strict accordance with local and state codes and regulations of
such offices having jurisdiction. All equipment shall comply with the requirements of all
pertinent Codes and Authorities, including that of the Owner's insurance company.
B. Any material or labor called for or implied in the above-mentioned requirements, even though
not specified or shown on the drawings, shall be furnished and installed by the Subcontractor
as though they had been specifically mentioned or indicated. If the drawings or specifications
are at variance with any of the above-mentioned regulations, the bidder shall so notify the
Architect in writing before signing the contract. Failure to do so shall relieve the Owner of
responsibility in this regard.
C. Secure and pay for any and all permits that may be necessary in connection with the
installation of this work.
D. The Contractor, under this section of the Specifications, shall be responsible for the
supervision of his personnel at the site and the inspection of equipment and appliances
provided by him to assure a safe working environment in compliance with OSHA rules and
regulations. In addition, this Contractor shall report all possible violations to the General
Contractor in writing, observed in areas by his personnel. Failure to do so shall constitute
this Contractor's compliance of the working conditions and responsibility. This Contractor
shall ascertain, from examination of the contract drawings, whether any special temporary
openings in the building for the admission of apparatus furnished under this Contract will be
necessary. He is required to notify the General Contractor with sufficient notice. He shall
pay all costs of making all opening in case of failure to give his notification in time for the
General Contractor to arrange for same during construction. This Subcontractor shall take
particular care to protect any finished work from vandalism or possible injury and must
remedy any and all injury caused thereto by his operation of the operations of other
Subcontractors. This Subcontractor shall provide suitable protection for all equipment
furnished under this contract while stored at this project site, during and after installation.
This protection shall be suitable to guard equipment items against damage from the weather
or from construction activities. Such protection shall not be removed until directed by the
Architect. Piping and equipment shall be kept in a clean condition, free from dirt and debris.
All piping and equipment items shall be thoroughly cleaned before the startup of any
equipment or system
3.14: LOSS OR DAMAGE TO EQUIPMENT
A. Any materials or equipment lost or damaged shall be replaced or repaired to the satisfaction
of the Architect, at no additional cost to the Owner.
3.15: WIRING DIAGRAMS
A. This Subcontractor shall furnish wiring diagrams for all equipment furnished under this
section for which wiring is to be installed by the Electrical Subcontractor, as directed by the
General Contractor (or Owner).
3.16: BASES AND SUPPORTS
A. Except where noted, the Subcontractor shall provide all bases and supports not part of the
building structure, of required size, type and strength, as approved by Architect, for all
equipment and materials furnished by him. All equipment, bases and supports shall be
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adequately anchored to the building structure or pads to prevent shifting of position under
operating conditions.
3.17: IDENTIFICATION & NAME TAGS
A. Equipment Identifications.
1. All equipment shall have nonferrous metallic manufacturers name plate secured.
2. When installation of equipment results in access to the name plate difficult due to
obstructions and/or insulation, a new name plate containing identical information
must be secured to the unit in such locations to afford easy access. The new name
plate shall have all information typed on white paper, plastic laminated for weather
proofing, and secured to the equipment. Each equipment shall have tag name and
number stenciled on with designation as indicated on the equipment schedule using
black enamel paint.
3. All equipment shall have stenciled on enamel black paint the tag numbers as
assigned on the equipment schedules on locations clearly visible.
B. Pipe Identification
1. Provide color coded pipe identification markers on all piping in the building installed
under this Section. Pipe markers shall be heavy plastic faced cloth labels with heat
resistant backing, Set Mark by Seton Nameplate Corporation, Zipper Tubing Co., or
equal by the W. H. Brady Company, or equal.
2. Provide an arrow marker with each pipe content marker to indicate the direction of
flow.
3. Piping mains shall be labeled at 20-foot intervals and on entrance and exit from the
Mechanical Room, adjacent to each valve and at both sides of wall penetrations.
This work shall be done after finish painting has been completed.
4. In general, a 2-inch-high legend shall be used for pipe lines 4-inch diameter and
larger, and a 3/4 inches high legend shall be used for pipe lines 3-inch diameter and
smaller.
5. All markers shall be OSHA approved.
6. In addition, all elevated pressure gas piping shall be painted yellow and all low-
pressure gas piping shall be painted grey.
3.18: OPERATING INSTRUCTIONS
A. This Subcontractor, upon completion of the project, shall prepare and submit to the Owner
three sets Owners Manuals in a form of book binders.
1. Each set of the manuals shall contain catalog cuts, installation & maintenance
manuals, wiring diagrams, As-built drawings (including the schedule sheets revised
to reflect actual equipment installed), and approved shop drawings. Applicable parts
shall be clearly highlighted and non-applicable parts shall be clearly crossed out.
2. Each section shall contain clearly marked tag numbers, appropriate model numbers
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with accessories, and sales representative address and phone numbers.
3. Last section of the binders shall be reserved for complete sets of the as-built
drawings neatly folded to the 8-1/2” x 11" size and bound into the section so that it
can be folded out for review without the need for removal from the binder.
B. Subcontractor shall conduct an Owner training session, to be arranged so that Owners
representatives and Architect be present for the session, to be conducted by the
Subcontractor and his pertinent Subcontractors.
3.19: CLEANING
A. All items of work shall be thoroughly cleaned in a manner suitable for the work of trades to
follow.
B. All work adjacent to operations under this section shall be inspected for damage and stains
and repaired or cleaned prior to the completion of work.
3.20: CLEANUP
A. During the progress of the work, the Subcontractor shall keep the premises clear of debris
resulting from his operations and shall remove surplus and waste materials from the site
daily.
B. Upon completion of the work, the Subcontractor shall remove from the site all equipment and
materials used on the work as well as any debris resulting from the operations.
3.21: OBJECTIONABLE NOISE & VIBRATIONS
A. All equipment shall operate without objectionable noise and vibration. If such objectionable
noise or vibration should be produced and transmitted to portions of the building by
apparatus or other part of mechanical work, make necessary changes and additions as
approved without extra cost to the owner.
B. Architect shall be the sole judge of the such objectionable levels.
END OF SECTION
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