MASTER CONTRACT SPECIFICATIONS
FACILITY WATER DISTRIBUTION 22 11 00
PART 1 - GENERAL
1.01 SUMMARY:
A. WORK INCLUDED: This section includes specific criteria for the potable water systems within the
building and to a specified location outside the building, typically 5’–0” outside the building wall.
B. WORK SPECIFIED ELSEWHERE:
1.
2.
3.
4.
5.
6.
7.
8.
Section 22 01 00, “Plumbing Shop Drawings/O&M”
Section 22 05 00, “Common Work Results for Plumbing”
Section 22 05 23, “General-Duty Valves for Plumbing Piping”
Section 22 05 29, “Hangers and Supports for Plumbing Piping and Equipment”
Section 22 07 00, "Plumbing Insulation"
Section 22 10 00, “Plumbing Piping”
Section 22 30 00, “Plumbing Equipment”
Section 22 40 00, “Plumbing Fixtures”
1.02 SUBMITTALS:
A. SUBMIT ALL information on all items in this section per section 22 01 00 “PLUMBING SHOP
DRAWINGS/O&M”.
1.03 QUALITY ASSURANCE:
A. QUALITY CONTROL: All valves installed in connection with facility piping shall comply with the following:
1. All gate, globe and angle valves shall be designed and manufactured with back seating
features to allow them to be repacked under pressure when in full open positions.
2. All valves 3 inches and smaller shall have threaded ends and have bronze bodies.
3. Valves 4 inches and larger shall have flanged ends and be iron body bronze mounted.
B. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) COMPLIANCE: Comply with ASME
B31.9 for building services piping.
C. MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTING INDUSTRY (MSS)
COMPLIANCE: Comply with the various MSS standard practices.
PART 2 - PRODUCTS
2.01 WATER SERVICE PIPING (UPSTREAM OF METER):
A. PIPING MATERIAL: Water service piping shall be ductile iron or equal to site water service piping.
B. WATER SERVICE FITTINGS: Shall be ductile iron mechanical joint.
2.02 HOT AND COLD WATER DISTRIBUTION PIPING (DOWNSTREAM OF METER):
A. PIPING MATERIAL:
1. Underground pipe shall be drawn copper tubing, type “K”.
2. Above ground pipe shall be drawn copper tubing type “L”.
3. Fittings for copper tubing shall be wrought copper.
B. ALL EXPOSED PIPING: In finished rooms used in connection with plumbing fixtures shall be
chromium-plated brass pipe with plated cast brass fittings.
C. SYSTEM DRAIN: Shall be provided on the house side of the main shutoff valve so the entire system can
be drained through a 3/4" drain valve with hose connection.
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MASTER CONTRACT SPECIFICATIONS
FACILITY WATER DISTRIBUTION 22 11 00
2.03 WATER SYSTEM ACCESSORIES AND SPECIALTIES:
A. GENERAL: Water system accessories and specialties shall be selected from the following criteria,
unless otherwise indicated on the contract drawings. Series indication implies the basic unit and may not
include options or accessories of the definitive stock model names and numbers listed. In addition, each
accessory listed in this section shall meet these general requirements:
1. Provide one manufacturer for each type of accessory throughout the job.
2. Each device should be sized for the nominal pipe size for which it is installed.
3. Provide accessories as indicated in these specifications, where indicated on plans, and where
necessitated by code or reasonable plumbing practice necessitates.
B. MAIN SERVICE ACCESSORIES
1. WATER METER: Shall be as approved by the utility company. Meter shall be valved on each
side and have a 3/4" valved drain.
2. PRESSURE REDUCING VALVE (MAIN SERVICE): Flanged end, Class 125 cast iron body,
bronze trim with pilot control. Provide when incoming water service pressure exceeds 60 PSI
and adjust to maintain a constant outlet pressure of 60 PSI. Approved Manufacturers:
CLAYTON AUTOMATIC VALVE MODEL 90-48, WATTS ACV SERIES F115-74 or WILKINS
ZW109BP.
3. PRESSURE GAGES: Provide on the inlet and outlet side of each pressure reducing valve
and water softeners. Approved Manufacturers: H.O. TRERICE, MOELLER INSTRUMENTS,
or WEISS INSTRUMENTS.
4. BACKFLOW PREVENTERS: Two independently acting spring loaded, toggle lever check
valves with automatically operating pressure differential relief valve and two shutoff valves
provided with an air gap fitting. Maximum working pressure: 150 PSI. Approved
Manufacturers: CLA-VAL CO. MODEL RP-4, FEBCO MODEL 860, WATTS REGULATOR
SERIES 909, or WILKINS 375/475.
C. TEMPERING VALVES
1. SINK/LAVATORY TEMPERING VALVES: Pressure balancing valve with integral safety check
stops and match valve to fixture flow. Point of use thermostat mixing valves shall comply with
ASSE Standard 1016. Set leaving water temperature of metering or solenoid activated
lavatories at 90F and hand sinks, lunch room sinks with separator hot and cold water
tempering control including styling salon shampoo stations at 110F. Approved
Manufacturers: LEONARD 210-F, POWERS E480-00, SYMMONS 5-120-CK, BRADLEY
S59-4004 or WILKINS 12-Z1070.
2. EMERGENCY EYEWASH TEMPERING VALVES: Pressure balancing valve with integral
safety check stops and match valve to fixture flow. Emergency Eyewash stations
thermostatic mixing valves shall comply with ANSI Standard Z358-1. Emergency Eyewash
thermostatic mixing valve shall be designed to fail open with a cold water bypass. Set leaving
water temperatures for emergency eyewash stations at 75F. Approved Manufacturers:
GUARDIAN EQUIPMENT G3600, LEONARD TA-300, BRADLEY S19-2000.
D. VACUUM BREAKERS: Provide on connections to all equipment, hose bibbs, hose outlets, wall hydrants,
below the rim water supplies of all types, plugged or capped outlets, and at all locations specified or shown.
Approved Manufacturers: WATTS REGULATOR MODEL 288A or WILKINS MODEL 35 with bronze body
chrome-plated in finished areas.
E. WATER HAMMER ARRESTERS: Provide at each battery of fixtures utilizing flush valves. Provide
access panel at locations where water hammer arrestors are installed above or behind drywall. Approved
Manufacturers: AMTROL, WATTS REGULATOR, OR WILKINS.
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MASTER CONTRACT SPECIFICATIONS
FACILITY WATER DISTRIBUTION 22 11 00
F. TRAP PRIMERS: Provided for all emergency floor drains, where water replenishment is required to
prevent odor migration. Approved Manufacturers: PRESCISION PLUMBING PRODUCTS
G. DOMESTIC WATER RELIEF VALVES: ASME rated and approved. Valve discharge shall be piped full
size to floor drain with minimum approved air gap termination. Approved Manufacturers: BELL AND
GOSSETT 790 & 1170.
H. STRAINERS: Install ahead of all pumps, automatic valves and as shown. Furnish as "Y" type strainers
throughout the job unless specifically noted otherwise. Design for 125 PSIG minimum steam working
pressure. For strainers installed in piping two inches and smaller, furnish screwed ends, screwed caps
and gasket. Screens on water service shall be 1/16-inch perforations made of monel or Type 304
Stainless Steel. Approved Manufacturers: ARMSTRONG, HAMMOND VALVE CO., WATTS
REGULATOR, OR WILKINS.
I.
UNIONS: All unions shall be 150-lb. malleable, iron screwed, with brass to iron ground joints.
J. WH-1 - NON-FREEZE WALL HYDRANTS (BOX TYPE): Non-freeze "box type" hydrants of types and at
locations indicated on the contract drawings shall have cast brass casing, piping, working parts, and hinged
locking cover, renewable nylon seat, loose T-handle (for opening cover as well as turning hydrant on and off),
3/4" IPS outside thread ground joint union elbow adapter, and 3/4" national straight thread hose connection.
Exposed access door and frame shall be polished or brushed bronze finish. Finish: Polished or Brushed
Bronze with 3/4" inlet and outlet. Provide integral vacuum breaker with hydrant. Approved Manufacturers:
JOSAM 71000, JR SMITH 5509QT, WADE 8600L 175, ZURN Z1320-C
K. WH-2 - NARROW WALL HYDRANTS (BOX TYPE): Moderate climate “box type” hydrants shall be
installed in all Restrooms (i.e. Main Restrooms, Family Restroom, Styling Salon Restroom, etc.). The hydrant
shall be designed for narrow wall installation, complete with operating key, bronze body, all bronze interior
parts, replaceable seat washer, screwdriver operated stop valve in the supply, key operated control valve, ¾”
adapter vacuum breaker, ¾” inlet and ¾” hose connections and stainless steel box and hinged cover.
Approved Manufacturers: WADE HY-1, ZURN Z1350
L. HB-1 – HOSE BIBB: Provide ¾” IPS rough brass hose bibb equal to Watts Brass and Tubular Model 123 with vacuum breaker. Install under roof at the roof hatch location, after main building backflow preventor,
and at all low points in the system.
M. WB-1 - WASHING MACHINE AND PEDICURE SPA WALL BOXES: Provide and install a valved hot
and cold water supply painted steel service unit for the washing machine and Pedicure Spa locations.
Provide drain connections. Equal to IPS/GUY GRAY – Model T200 Series.
N. REFRIGERATOR/ICE MAKER: Provide and install a valved cold water supply service fitting. Equal to
IPS/GUY GRAY – Model BIM875.
PART 3 - EXECUTION
3.01 WATER PIPING INSTALLATION FOR POTABLE WATER:
A. MAINS: Shall be run as shown on the drawings and shall be evenly pitched 1" in 50' to low point drains.
The low point drains shall have ¾” ball valve with hose bib connection.
B. ANCHORING: All piping shall be blocked as may be necessary to prevent movement when water is
suddenly turned on or off. All piping at the elbow which penetrates the wall for lavatories, water coolers and
flush valves are to be supported by a 2”X6” wood blocking for zero movement.
C. ALL FLOOR DRAINS shall be provided with trap primers.
D. ALL FIXTURES with flush valves or automatic valves shall be provided with water hammer arrestors.
When multiple fixtures are installed on a common rise, a single arrestors may be installed.
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MASTER CONTRACT SPECIFICATIONS
FACILITY WATER DISTRIBUTION 22 11 00
3.02 DISINFECTION OF POTABLE WATER SYSTEM:
A. ALL POTABLE water systems shall be purged of deleterious matter and disinfected prior to utilization.
Disinfection method as prescribed by the health authority or water purveyor having jurisdiction or, in the
absence local authority, per AWWA C651 or AWWA C652. Upon disinfection completion, furnish JCPenney
a certificate of compliance from the local authority having jurisdiction.
END OF SECTION
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