D2 Lab Heating Upgrades

8/16/2026
26-150

DIVISION 22 - PLUMBING
SECTION 220000 - PLUMBING GENERAL REQUIREMENTS
GENERAL
SCOPE:
A. General:
1. The Bidding Requirements, Contract Requirements, and the General Requirements
(Division 01) of these specifications shall govern all parts of the work.
B. Work Included:
1. Install work in accordance with these specifications and the accompanying plans. Furnish
all labor, material, and equipment together with all incidental items not specifically shown
or specified which are required by good practice to provide the complete plumbing
systems as described.
C. Coordination and Site Visits:
1. This section of the work requires examination of and reference to all architectural,
structural, utility, and electrical drawings for construction conditions that may affect the
work. Inspect the building site and existing facilities for verification of existing conditions.
Base all measurements from established benchmarks. Any discrepancy between actual
measurements and those indicated, which prevents following good practices or the intent
of the drawings and specifications, shall be reported to the Architect/Engineer, and work
halted until instructions are received from the Architect/Engineer.
CODES, PERMITS, FEES:
A. Install all work in accordance with applicable codes and standards. Obtain all required permits;
pay all required fees including utility connections or extensions, in connection with this portion
of the construction. Obtain all required certificates of inspection for the work.
PRODUCTS
MATERIALS AND WORKMANSHIP:
A. Materials:
1. All materials and equipment shall be of first quality, new, full size and weight, standard in
every respect, and suitable for the space required. Use the same manufacturer for
products of similar class or service, such as valves and pumps. Protect all materials
against loss, theft, or damage before and after installation.
2. Furnish and install all necessary foundations, supports, pads, bases, and piers required
for all materials and equipment furnished under this contract.
3. Provide all required firestopping at piping penetrations of fire rated walls, floors, ceilings,
and roofs. Firestopping shall be 3M Fire Barrier Sealant CP 25WB+ or 3M Fire Barrier
Rated Foam FIP 1-Step, or approved equal.
4. Provide a heat-expanding fire collar for all non-metallic piping up to 6" size at penetrations
of fire rated walls, floors, and ceilings per ASTME 814.
B. Workmanship:
1. All materials and equipment shall be installed in a neat and workmanlike manner by
competent specialists for each subtrade. Work shall be installed to the satisfaction of the
PLUMBING GENERAL REQUIREMENTS 220000 - 1

Architect/Engineer with unsatisfactory work removed and reinstalled to his satisfaction at
no extra cost to the Owner.
2. Provide all cutting and patching necessary to install the work specified in this section.
Patching shall match adjacent surfaces. No structural members shall be cut without the
approval of the Architect/Engineer. Provide all sleeves and inserts required before the
floors and walls are built.
3. Locate all equipment that must be serviced in fully accessible positions. Provide
clearance for removal of replacement parts and components, and with necessary
couplings or flanges to remove the component for maintenance.
SUBMITTALS AND SUBSTITUTIONS:
A. Prebid Approval:
1. Manufacturer's trade names and catalog numbers stated herein are intended to indicate
the quality of equipment or materials desired. All manufacturers not specifically listed
require prior approval. Submit catalog data, including specifications, of the proposed
equipment to the Architect/Engineer for his approval at least 10 calendar days prior to bid
opening. Notice of such approvals will be published in an addendum. Approval of listed
alternate equipment manufacturers is for bidding only. Final approval is to be based on
requirements of the plans and specifications.
B. Submittals:
1. Within thirty days after award of this contract, provide an electronic copy of a complete list
of all materials and equipment proposed for this project. List shall contain make, type,
manufacturer's name, and trade designation of all materials and equipment. Submittal
shall also include manufacturer's complete specification for each item, including ratings,
and dimensions as required to check space requirements. The scheduled equipment is
the basis of design for physical size, etc. Alternate manufacturers shall not exceed the
weight or physical size. Any changes to the Architectural, Structural and Mechanical
systems due to alternate manufactures shall be the responsibility of the Contractor and
Supplier. Submittals for fixtures, trim, and other plumbing related items, requiring
submittals, shall be submitted in a single complete package. Individual items will not be
reviewed independently unless approved by the Engineer.
2. Approval of submittals shall not relieve the contractor from responsibility for deviations
from the plans or specifications, unless he has, in writing, called the Architect's
/Engineer's attention to deviations at the time of submission, and obtained his written
approval. Approval of submittals does not relieve the contractor from responsibility for
errors in shop drawings or literature.
C. Equipment Requiring Submittals:
1. Valves
2. Pipe Stands
EXECUTION
ACCESSIBILITY & SAFETY:
A. Accessibility:
1. All equipment which must be serviced or operated shall be located in fully accessible
position. Minor changes from the drawings may be made to allow for better accessibility.
All changes shall be approved prior to actual installation.
2. Access panels shall be provided if required for accessibility. Access panels to be steel,
flanged, hinged doors by Cendrex, model AHD, or equal. Size as required for installation.
Subcontractor shall furnish the required panels to the General Contractor and the required
PLUMBING GENERAL REQUIREMENTS 220000 - 2

location for all access panels, unless otherwise specified in the Architectural
specifications. Panels shall be installed by the General Contractor.
B. Safety:
1. No water piping shall run immediately over or within a 3-foot plan view clearance of any
electrical panel or motor starter. Where piping must be located within these zones, install
piping inside a conduit to prevent water access to electrical equipment.
2. All mixing valves at sinks and lavatories shall be set to provide 110 degreesF hot water to the
fixture unless otherwise noted.
COORDINATION:
A. Coordinate all work with the various trades involved to provide a complete and satisfactory
installation. The exact details of piping and equipment are not shown. No additional
compensation will be made for offsets or relocation required in coordination with other trades.
B. Alterations required due to improper supervision by the subcontractor shall be made at no
extra cost, to the satisfaction of the Architect/Engineer.
IDENTIFICATION AND CODING:
A. General:
1. The Contractor shall use ASME 13 standards for all piping identifications, color coding,
and compliance.
B. Painting:
1. All painting of equipment, accessories, and piping shall be furnished and applied under
the Architectural section of these specifications. All painting shall be completed before
any identification markings are applied.
C. Pipe Labeling:
1. Piping shall be labeled with the fluid conveyed and the direction of flow:
a. On both sides of wall or floor penetrations.
b. Once on every straight run of pipe.
c. No more than 20-foot intervals.
d. No more than 10-foot intervals in congested areas.
e. Within 3 feet of each piece of equipment, valve, or control device.
D. Label Color and Size Requirements:
1. All Piping shall be All pipes, and equipment shall be labeled according to ANSI standard
A13.1. See table below for examples.
Label Color Schedule Per ANSI A13.1
Water (Heating, chilled, potable, boiler feed, etc.) Green Background with White Letters
Compressed Air Blue Background with White Letters
Natural Gas / Refrigerant / Steam Yellow Background with Black Letters
Fire Suppression Red Background with White Letters
Acid Waste Orange Background with Black Letters
Equipment Labels* Black Background with White Letters
2. Label all equipment that is on generator power with a Red Background and White Letters
Text Height Requirements
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Main Designation 34" high text minimum
Equipment
Supplemental Info 12" high text minimum
Labels
Large Equipment w/viewing distances beyond 10 feet 3" high text main label
O.D. of 34" to 1-14" Letter Size: 12" high Marker Size: 8" wide
O.D. of 1-12" to 2-38" Letter Size: 34" high Marker Size: 8" wide
Piping O.D. of 2-12" to 7-78" Letter Size: 1-14" high Marker Size: 12" wide
O.D. of 8" to 10" Letter Size: 2-12" high Marker Size: 24" wide
O.D. over 10" Letter Size: 3-12" high Marker Size: 32" wide
Ceiling
Letter height: 12" Minimum
Labels
E. Valves Labeling:
1. Regardless of size, all valves shall be tagged with a numbered brass tag, 1-1/2 inches by
3 inches minimum in size and 0.051 inch thick.
F. Valve Schedule and Frames:
1. Valve Schedule:
a. Provide valve schedule for each piping system, and floor plans showing the location
of each valve coordinated and tagged according to the valve schedule, type written
and reproduced on 8-1/2"x11" or 11" x 17" bond paper. Tabulate valve number,
piping system, system abbreviation (as shown on tag), location of valve (room or
space), size of valve, and variations for identification (if any). Only tag valves which
are intended for emergency shut-off and similar special uses, such as valves to
isolate individual system risers, individual floor branches or building system shut-off
valves. In addition to mounted copies, furnish extra copies for Maintenance Manuals
as specified in Division 23.
2. Valve Schedule Frames:
a. Snap Type Poster Frame with Laminated Schedules: Provide valve schedules and
floor plans on laminated bond paper. Provide poster frames similar to SnapeZo
(SNAP-8.5-11-SB-25MM) such that laminated valve schedules and floor plans can
be removed from the frame. Provide frames of aluminum, with screws for removable
mounting on walls.
3. Valve Identification:
a. General: Provide valve tag on valves in each piping system. List each tagged valve
in valve schedule for each piping system.
Building services main shut-off valves.
Each Individual system main shut-off valves.
Each Individual system riser shut-off valves.
Each Individual system floor shut-off valves.
Each Individual system major branch shut-off valves.
b. Mount Valve schedule frames and schedules in mechanical equipment rooms where
direct by Architect / Owner / Engineer.
c. Where more than one major mechanical equipment room is shown for project, install
mounted valve schedule in each major mechanical equipment room, and repeat only
main valves which are to be operated in conjunction with operations of more than
single mechanical equipment room.
G. Backflow Prevention Devices:
1. Regardless of size, all backflow prevention devices shall be tagged with a numbered
brass tag, 1-1/2 inches by 3 inches minimum in size and 0.051 inch thick. A backflow
PLUMBING GENERAL REQUIREMENTS 220000 - 4

prevention device chart indicating backflow prevention device tag number, location, and
service shall be mounted in a suitable framed and glassed cover in the main mechanical
room or as directed. A backflow prevention device chart shall be duplicated in the
Maintenance and Operations Manual.
TESTING:
A. Piping:
1. All plumbing piping (drainage, water, gas) shall be tested in accordance with the
requirements of local adopted plumbing code, latest edition. Other piping systems shall be
tested hydrostatically to 1.5 times the operating pressure but not less than 100 psi, for a
minimum period of two hours. If the test pressure falls more than 5 percent during the test
period, the leak shall be located, repaired, and the test repeated.
2. Piping shall be tested before insulation has been installed. Delicate control mechanisms
shall be removed during tests to prevent shock damage. The use of chemicals or
compounds to stop leaks shall not be permitted.
3. A test report shall be submitted for each piping system test. Test report forms are part of
Specifications Section 220100, or are available from the Engineer.
B. Systems:
1. All plumbing systems shall be tested at the completion of the building to establish that the
systems operate as specified and required.
CLEANING AND ADJUSTING:
A. Thoroughly clean all parts of the system at the completion of the work. Flush all water
circulating systems with fresh water and then drain. Clean all strainers and refill system. Adjust
all devices for proper operation and lubricate all equipment as required. Repaint any painted
surface that has been damaged.
B. All potable water systems shall be flushed and disinfected after tests are completed.
Disinfection shall be in accordance with local municipal and State Plumbing Inspector's criteria.
In lieu of such criteria, the following procedure shall be followed for disinfection:
1. Completely flush system. Add alkali or acid (hydrochloric) to bring water ph level to
between 7.4 and 7.6.
2. Inject chlorine (liquid, powder, tablet, or gas) throughout the system to obtain 50 to 80
mg/L residual.
3. Bleed water from outlets to ensure distribution, and test for residual at a minimum of 15
percent of the outlets.
4. Maintain disinfection in system for 24 hours.
5. If final disinfectant residual tests less than 25 mg/L, repeat treatment.
6. Flush disinfectant from system until residual is equal to that of incoming water, or 1.0
mg/L.
7. Take samples no sooner than 24 hours after flushing, from 10 percent of the outlets and
the incoming water.
PROJECT CLOSEOUT:
A. Operations & Maintenance Manual:
1. The Contractor shall provide an operations and maintenance manual at least thirty days
prior to completion of work. The manual shall be of the three ring binder type and PDF
copies (bookmarked and searchable), entitled "Operations and Maintenance Manual",
with the job name and year of completion also included. O & M manuals shall be
submitted in a single package. Individual items will not be accepted independently unless
approved by the Engineer. The manual shall include, as a minimum:
a. Maintenance instructions for all equipment, including lubrication requirements.
PLUMBING GENERAL REQUIREMENTS 220000 - 5

b. Fixture suppliers names, addresses, and telephone numbers.
c. Fixture catalog cuts, ratings tables, model numbers, serial numbers, and
accessories.
d. Parts numbers for all replaceable parts.
e. Valve tagging chart as hereinbefore specified.
f. Guarantee letter as specified below.
g. Any additional information required to enable the Owner to properly maintain the
building plumbing system.
h. After approval of the Operations and Maintenance Manual by the Architect/Engineer,
the Contractor shall furnish two copies of the manual to the Owner.
B. As-Built-Drawings:
1. Provide two sets of red-line mechanical drawings and color PDF showing the work as it
was actually installed. The drawings shall indicate all departures from the contract
drawings and shall locate all underground utility lines with dimensions from established
building lines. Make all notations neat and legible, with red indelible pencil. At the
completion of the work, these as-built drawings shall be signed and dated by the
Plumbing Contractor and returned to the Architect/Engineer.
C. Guarantee:
1. All work furnished under this section shall be guaranteed in writing to be free from
defective work or materials for a period of one year after acceptance of the contract. All
repairs or replacements because of defective materials or workmanship or noncompliance
with code shall be provided without additional cost to the Owner. Contractor shall furnish
a letter indicating above guarantee with space for date of acceptance and expiration of
guarantee. Letter shall be included in O & M Manual.
END OF SECTION 220000
PLUMBING GENERAL REQUIREMENTS 220000 - 6

SECTION 220100 - PLUMBING
GENERAL
SCOPE:
A. This section covers the work necessary for the plumbing system, complete. The Plumbing
General Requirements, Section 220000, are to be included as a part of this section of the
specifications.
CODES:
A. The plumbing system shall be installed in accordance with the requirements of local adopted
plumbing code, latest edition, International Fuel Gas Code, latest edition; and all local and
State Codes.
FIXTURES & EQUIPMENT:
A. General:
1. Plumbing fixtures and equipment shall be as listed on the drawings. In addition to those
specifically listed, the following manufacturers are approved for bidding only. All other
manufacturers require prior approval. Final approval for installation is based on submittal
data furnished:
a. System Valves: Apollo, Nebco & Red-White Valve Corp.
B. Plumbing Fixture Standards:
1. All plumbing fixtures shall meet or exceed the following standards:
a. ANSI/AWWA C606 - Grooved and Shouldered Joints
PRODUCTS
PLUMBING FIXTURES & TRIM:
A. All plumbing fixtures shall be provided complete with all required trim for a complete and
operational system. All piping penetrations through finished walls shall be provided with
chrome escutcheons. All plumbing fixtures shall be caulked and sealed to surrounding
surfaces. All sink traps shall be provided with a cleanout plug in the bottom of the trap. All
interior exposed pipe, valves, and fixture trim shall be chrome plated, including kitchen
compartment sinks. Braided stainless steel pipe risers are approved for concealed locations
only, such as behind casework doors or lav shields. Each fixture shall be provided with stop
valves and the stop valves shall be quarter-turn brass ball type. All fixtures and trim must be
lead free. All floor drains and floor sinks shall be provided with trap primers (PPP, Zurn or
Wade as needed for appropriate use. Provide ball valve type shut-off valve upstream of all trap
primer valves).
PIPING AND FITTINGS:
A. General:
1. All sanitary sewer and storm drain lines shall be installed at 1/4" per foot slope, unless
otherwise indicated. If such slope is not possible due to existing inverts, approval shall be
PLUMBING 220100 - 1

obtained from the Architect/Engineer and the authority having jurisdiction before any
piping is installed at a lesser slope.
2. Connections between piping of dissimilar materials shall be made with dielectric waterway
fittings or unions.
3. Provide standard manufactured water hammer arresters at all flush valves. Size and
locate per manufacturer's recommendations. Provide access panels for access to all
water hammer arresters.
B. Hanger and Supports:
1. Pipe hangers shall be provided to adequately support all piping systems. Hangers shall
be vertically adjustable to provide for proper pitch and drainage. Hangers shall allow for
expansion and contraction of the piping system. Reference "General Regulations" of the
latest edition of the adopted plumbing code, latest edition.
2. Hangers for pipe sizes 1/2 to 6 inches shall be adjustable clevis type, or unistrut saddles
with all-thread hanger rod.
3. Hangers for hot pipe, sizes 6 inches and over shall be adjustable steel yoke, cast iron roll,
double hanger type.
4. Vertical pipes shall be supported with steel riser clamps. Spacing interval requirements
per "General Regulations" of the latest edition of the adopted plumbing code, latest
edition.
5. All insulated piping shall be provided with minimum 18 gauge, G-90 galvanized insulation
shields, 12 inches long, and oversized hangers. Pipe sizes 2 inches and over shall also
be provided with 12 inch long calcium silicate insulating blocks (water resistant) between
the piping and the galvanized insulation shield.
a. Alternate: Insulated pipe support inserts may be provided at hanger, support, and
guide locations on piping requiring insulation. The insert should consist of either
Hydrous Calcium Silicate or Polyisocyanurate Foam insulation (Urethane) encircling
the entire circumference of the pipe with a 360 deg. PVC (1.524 mm thick) or
galvanized steel jacket and installed during the installation of the piping system.
These insulated pipe support inserts shall be provided by the Mechanical Contractor
and installed by the same during pipe support installation.
6. Hanger rod sizing and spacing for pipe shall be as follows:
Pipe Size Minimum Maximum
Rod Diameter Spacing
To 1-1/4 inches 3/8 inch 6.5 feet
To 2 inches 3/8 inch 10 feet
To 3 inches 1/2 inch 10 feet
To 6 inches 5/8 inch 10 feet
8 to 12 inches 7/8 inch 12 feet
PVC & ABS (all sizes) 3/8 inch 4 feet
Cast Iron No-Hub 5/8 inch 5 feet and
at joints
7. Provide hangers within 12 inches of each horizontal elbow.
8. Provide hangers with minimum 1-1/2 inches vertical adjustment.
INSULATION:
A. General:
1. Installer Qualifications: Skilled mechanics who have successfully completed an
apprenticeship program or another craft training program certified by the Department of
Labor, Bureau of Apprenticeship and Training.
2. Fire-Test-Response Characteristics: Insulation and related materials NFPA 255, UL
Classified per UL 723 or meeting ASTM E 84, by a testing and inspecting agency
acceptable to authorities having jurisdiction. Factory label insulation and jacket materials
PLUMBING 220100 - 2

and adhesive, mastic, tapes, and cement containers, with appropriate markings of
applicable testing and inspecting agency.
a. Insulation Installed Indoors: Flame-spread index of 25 or less, and smoke-developed
index of 50 or less.
b. Insulation Installed Outdoors: Flame=spread index of 75 or less, and smoke-
developed index of 150 or less.
B. Piping Insulation:
1. All domestic, potable & non-potable, hot and cold water lines, exposed waste and vent,
and rain drains shall be insulated with preformed insulation.
a. Fiberglass insulation with a vapor barrier jacket. Insulation shall have a conductivity
not exceeding 0.28 Btu-inch/hour-sq. ft.-degrees F. Laps and butt joints shall be
sealed with pressure sensitive joint sealing tape of the same finish as the insulation
jacket to provide a continuous vapor seal. Fittings and valves shall be insulated with
PVC fitting covers and fiberglass insulation inserts, or with hydraulic setting
insulating cement and four ounce canvass jacket with vapor barrier adhesive.
b. Alternate material for Cross-Linked Polyethylene Tubing (PEX): One piece
preformed flexible elastomeric closed cell foam with built-in vapor barrier. Seal laps
and butt joints with moisture resistant adhesive to provide a continuous vapor seal.
Insulation shall have a conductivity rating not exceeding 0.27 Btu-inch/hour-sq. ft.- degreesF.
2. Insulation thicknesses shall be as follows:
System Pipe Sizes
12" and above
Domestic Cold Water (pot. & non-pot.) 12"
3. Insulation shall be installed in strict accordance with manufacturer's instructions.
4. Insulation shall be continuous through penetrations.
5. All insulation shall be installed in a neat and workmanlike manner.
C. Fiberglass insulation with a vapor barrier jacket. Insulation shall have a conductivity not
exceeding 0.28 Btu-inch/hour-sq. ft.-degrees F. Laps and butt joints shall be sealed with
pressure sensitive joint sealing tape of the same finish.
VALVE & STRAINERS:
A. Gate Valves:
1. Valves 2-inches and smaller shall be cast bronze body, ASTM B-62, rising stem, 200 psi
WOG. Stems shall be dezincification-resistant silicon bronze, ASTM B-371, or low-zinc
alloy, ASTM B-99, NSF/ANSI 61-8 Annex F&G, NSF 372 Lead Free. If unable to use a
rising stem valve due to inadequate clearance, use non-rising stem gate valve. Valves
shall comply with MSS SP-80. Valves over 2-inches shall be iron body, bronze trim, rising
stem and hand wheel, flanged ends. Valves shall comply with MSS SP-70. Valves
mounted higher than 7'-0" A.F.F. shall be provided with chain, wheel, and guides. Basis
of design: Apollo # 101T-LF/101S-LF Lead Free Bronze, Apollo #611F-LF Lead Free Cast
Iron, or equal.
B. Globe Valves:
1. Valves 2-inches and smaller shall be cast bronze body, ASTM B-62, renewable
composition disc, 200 psi WOG, ASTM B-62, rising stem and hand wheel. Stems shall be
of dezincification-resistant silicon bronze, ASTM B-371, or low-zinc alloy, ASTM B-99,
NSF/ANSI 61-8 Annex F&G, NSF 372 Lead Free. Valves over 2-inches shall be iron
body, bronze trim, rising stem and hand wheel, plug type disc, flanged ends. Valves shall
comply with MSS SP-85. Valves mounted higher than 7'-0" A.F.F. shall be provided with
PLUMBING 220100 - 3