HomeMy WebLinkAbout221116 DOMESTIC WATER DISTRIBUTION SYSTEMSTHE KENT
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SECTION 22 11 16 - DOMESTIC WATER DISTRIBUTION SYSTEMS
PART 1 - GENERAL
1.01 RELATED SECTIONS:
A. Drawings, general provisions of the Contract, including General and Supplementary
Conditions, and Division-1 Specification Sections and Division 20 Specification Sections, apply
to work of this Section.
B. Refer to “The Kent Site Work” Drawings and Project Manual for related work performed under
a separate Contract.
1.02 SUMMARY:
A. All pipe, fittings, valves, equipment and pipe joining material used for potable domestic water
systems shall be LEAD-FREE in accordance with state and federal regulations.
B. This Section specifies the water distribution piping system, including potable cold, hot, and
recirculated hot water piping, fittings, and specialties within the building to a point 5’-0” outside
the building.
C. Products installed but not furnished under this Section include water meters which will be
provided by the Utility Company, to the site, ready for installation.
1.03 DEFINITIONS:
A. Water Distribution Piping: A pipe within the building, or on the premises, which conveys water
from the water service pipe, or meter, to the points of usage.
B. Water Service Piping: The pipe from the water main, or other source of potable water supply,
to the water distributing system of the building served.
C. Pipe sizes used in this Specification are Nominal Pipe Size (NPS).
1.04 SUBMITTALS:
A. Product data for each piping specialty and valve specified.
1. Submittals and shop drawings shall include the following data:
a. Manufacturer’s technical data including valve performance and capacity.
b. Accessories furnished.
c. Manufacturer’s recommended installation methods.
B. Maintenance data for each piping specialty and valve specified for inclusion in Operation and
Maintenance Manual.
1. Maintenance manuals shall include the following:
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a. Parts lists for each type and size of thermostatic valve unit
b. Published installation instructions.
c. Troubleshooting maintenance guide for each type of thermostatic valve unit.
C. Welder’s certificates certifying that welders comply with requirements specified in Quality
Assurance below.
D. Certification of Compliance with ASME and UL fabrication requirements specified below.
E. Test reports specified in Part 3 of this Section.
1.05 QUALITY ASSURANCE:
A. Regulatory Requirements: Comply with the provisions of the following:
1. ASME B 31.9 “Building Services Piping” for materials, products and installation. Safety
valves and pressure vessels shall bear the appropriate ASME label.
2. ASME Boiler and Pressure Vessel Code, Section IX, “Welding and Brazing
Qualification” for Qualifications for Welding Processes and Operators
3. NSF/ANSI Standard 61 “Drinking Water System Components”.
4. Indiana Plumbing Code.
B. Potable water piping and components shall comply with NSF 14 and NSF 61. Plastic piping
components shall be marked with "NSF-pw."
C. Reference Standards:
1. ASSE Standard 1016: Performance Requirements for Individual Thermostatic,
Pressure Balancing and Combination Control Valves for Bathing Facilities.
2. ASSE Standard 1017: Performance Requirements for Temperature Actuated Mixing
Valves for Primary Domestic Use
3. ANSI Standard Z358.1-1998: Emergency Eyewash and Shower Equipment
4. Americans with Disabilities Act (ADA) Accessibility Guidelines
D. Each thermostatic valve unit shall be completely factory assembled, piped, tested, and
adjusted with water flow, prior to shipment.
E. Installer Qualifications: Use an installer possessing documentation proving successful
completion of PEX plumbing installation training by the PEX tubing manufacturer.
1.06 DELIVERY, STORAGE, AND HANDLING:
A. Store pipe in a manner to prevent sagging and bending.
B. Store CPVC, PVC, or PB pipe and fittings protected from direct sunlight.
1.07 SEQUENCING AND SCHEDULING:
A. Coordinate the size and location of concrete equipment pads. Cast anchor bolt inserts into
pad. Concrete reinforcement and formwork requirements are specified in Division 03.
B. Coordinate the installation of pipe sleeves for foundation wall penetrations.
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1.08 EXTRA STOCK:
A. Maintenance Stock: Furnish one valve key for each key operated hydrant, bibb, or faucet
installed.
PART 2 - PRODUCTS
2.01 MANUFACTURERS:
A. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
B. Basket Strainers:
1. Josam Mfg. Co.
2. Metraflex Co.
3. Mueller
4. Jay R. Smith Mfg. Co.
5. Spirax Sarco
C. Hose Bibbs and Faucets:
1. Chicago Faucet Co.
2. Jay R. Smith Mfg. Co.
3. Josam Mfg. Co.
4. MIFAB, Inc.
5. Wade/Tyler Pipe; Sub. of Tyler Corp.
6. Watts Drainage Products
7. Woodford Mfg. Co.
8. Zurn Industries Inc., Hydromechanics Div.
D. Wall, Roof and Yard Hydrants:
1. Chicago Faucet Co.
2. Jay R. Smith Mfg. Co.
3. Josam Mfg. Co.
4. MIFAB, Inc.
5. Wade/Tyler Pipe; Sub. of Tyler Corp.
6. Watts Drainage Products
7. Woodford Mfg. Co.
8. Zurn Industries Inc., Hydromechanics Div.
E. Backflow Preventers:
1. Febco Sales, Inc.: Subs. of Charles M. Bailey Co., Inc.
2. Hersey Products, Inc.
3. ITT Lawler; Fluid Handling Div.
4. Watts Regulator Co.
5. Zurn Industries, Inc.; Wilkins-Regulator Div.
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F. Vacuum Breakers
1. Cash (A. W.) Valve Mfg. Corp.
2. Conbraco Industries, Inc.
3. Febco Sales, Inc.; Subs. of Charles M. Bailey Co., Inc.
4. Watts Regulator Co.
5. Zurn Industries, Inc.; Wilkins-Regulator Div.
G. Pressure Regulating Valves:
1. Cash (A. W.) Valve Mfg. Corp.
2. Cla-Val Co.
3. Conbraco Industries, Inc.
4. Watts Regulator Co.
5. Zurn Industries, Inc.; Wilkins-Regulator Div.
H. Thermostatic Mixing Valves
1. Bradley
2. Lawler
3. Leonard
4. Powers Hydroguard
5. Sloan
6. Symmons
I. Water Meters:
1. Badger Meter, Inc.
2. Hersey Products Inc.
3. Neptune Water Meter Co.: Subs. Neptune Int'l.
4. Rockwell Int'l. Municipal & Utility Div.
5. Zurn Industries Inc.; Hays Fluid Controls Div.
J. Relief Valves:
1. Cash (A. W.) Valve Mfg. Corp.
2. Conbraco Industries, Inc.
3. Watts Regulator Co.
4. Zurn Industries, Inc.; Wilkins-Regulator Div.
K. Water Hammer Arresters:
1. Josam Manufacturing Co.
2. Jay R. Smith Mfg. Co.
3. MIFAB
4. Precision Plumbing Products, Inc.
5. Sioux Chief Manufacturing Co., Inc.
6. Wade/Tyler Pipe; Sub. of Tyler Corp.
7. Watts Drainage Products
8. Zurn Industries, Inc.; Hydromechanics Div.
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L. Dielectric Unions:
1. Perfection Corp.
2. Watts Regulator Co.
M. Y-Pattern Strainers:
1. Armstrong Machine Works
2. Hoffman Specialty ITT: Fluid Handling Div.
3. Metraflex Co.
4. Mueller
5. Spirax Sarco
6. Watts Regulator Co.
N. Press Fittings
1. Elkhart Product Corp XPress
2. NIBCO Press System
3. ProPress by Ridgid/Viega
2.02 COPPER TUBE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. Hard Copper Tube: ASTM B 88, Type L water tube, drawn temper.
C. Soft Copper Tube: ASTM B 88, Type K water tube, annealed temper.
D. Cast-Copper, Solder-Joint Fittings: ASME B16.18, pressure fittings.
E. Wrought-Copper, Solder-Joint Fittings: ASME B16.22, wrought-copper pressure fittings.
F. Bronze Flanges: ASME B16.24, Class 150, with solder-joint ends.
G. Copper Unions:
1. MSS SP-123.
2. Cast-copper-alloy, hexagonal-stock body.
3. Ball-and-socket, metal-to-metal seating surfaces.
4. Solder-joint or threaded ends.
H. Copper Pressure-Seal-Joint Fittings:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Elkhart Products Corporation.
b. NIBCO Inc.
c. Viega.
2. Fittings for NPS 2 and Smaller: Wrought-copper fitting with EPDM-rubber, O-ring seal
in each end.
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3. Fittings for NPS 2-1/2 to NPS 4: Cast-bronze or wrought-copper fitting with EPDM-
rubber, O-ring seal in each end.
I. Copper Push-on-Joint Fittings:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Victaulic Company - Installation-Ready™ fittings for grooved end copper
tubing shall be manufactured to copper-tube dimensions. Fittings shall be
ductile iron conforming to ASTM A-536, Grade 65-45-12, with Installation-
Ready end.
2. Description:
a. Cast-copper fitting complying with ASME B16.18 or wrought-copper fitting
complying with ASME B 16.22.
b. Stainless-steel teeth and EPDM-rubber, O-ring seal in each end instead of
solder-joint ends.
J. Appurtenances for Grooved-End Copper Tubing:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Anvil International.
b. Shurjoint Piping Products.
c. Victaulic Company.
2. Bronze Fittings for Grooved-End, Copper Tubing: ASTM B 75 copper tube or
ASTM B 584 bronze castings.
3. Mechanical Couplings for Grooved-End Copper Tubing:
a. Copper-tube dimensions and design similar to AWWA C606.
b. Ferrous housing sections.
c. EPDM-rubber gaskets suitable for hot and cold water.
d. Bolts and nuts.
e. Minimum Pressure Rating: 300 psig.
f. Grooved-End Tube Couplings: Rigid pattern, unless otherwise indicated;
gasketed fitting. Ductile-iron housing with keys matching pipe and fitting
grooves. Gasket shall be Grade “EHP” EPDM compound designed for
temperatures from -30 deg F to +250 deg F. Couplings shall be Victaulic
Style 607 and Butterfly
Valve Victaulic Style 608N.
2.03 DUCTILE IRON PIPE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. Cement-Lined, Ductile-Iron Pipe:
1. ANSI A21.51 ductile-iron pipe, with ANSI A21.4 cement mortar lining.
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C. Cement Lined Ductile-Iron Gasketed Fittings:
1. AWWA C110, Schedule 150, with cement mortar lining and AWWA C111 rubber
gaskets.
D. Mechanical-Joint, Ductile-Iron Pipe:
1. AWWA C151/A21.51, with mechanical-joint bell and plain spigot end unless grooved
or flanged ends are indicated.
2. Glands, Gaskets, and Bolts: AWWA C111/A21.11, ductile-or gray-iron glands, rubber
gaskets, and steel bolts.
E. Standard-Pattern, Mechanical-Joint Fittings:
1. AWWA C110/A21.10, ductile-or gray-iron.
2. Glands, Gaskets, and Bolts: AWWA C111/A21.11, ductile-or gray-iron glands, rubber
gaskets, and steel bolts.
F. Compact-Pattern, Mechanical-Joint Fittings:
1. AWWA C153/A21.53, ductile iron.
2. Glands, Gaskets, and Bolts: AWWA C111/A21.11, ductile-or gray-iron glands, rubber
gaskets, and steel bolts.
G. Push-on-Joint, Ductile-Iron Pipe:
1. AWWA C151/A21.51.
2. Push-on-joint bell and plain spigot end unless grooved or flanged ends are indicated.
H. Standard-Pattern, Push-on-Joint Fittings:
1. AWWA C110/A21.10, ductile-or gray-iron.
2. Gaskets: AWWA C111/A21.11, rubber.
I. Compact-Pattern, Push-on-Joint Fittings:
1. AWWA C153/A21.53, ductile-iron.
2. Gaskets: AWWA C111/A21.11, rubber.
J. Plain-End, Ductile-Iron Pipe: AWWA C151/A21.51.
2.04 CPVC PIPE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. CPVC Pipe: ASTM F 441, Schedule 40.
1. CPVC Socket Fittings: ASTM F 438 for Schedule 40
2. CPVC Threaded Fittings: ASTM F 437, Schedule 80.
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C. CPVC Piping System: ASTM D 2846/D 2846M, SDR 11, pipe and socket fittings.
2.05 PEX TUBE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. PEX Distribution System: ASTM F 877, SDR 9 tubing.
C. Fittings for PEX Tube: ASTM F 1807, metal-insert type with copper or stainless-steel crimp
rings and matching PEX tube dimensions.
D. Manifold: Multiple-outlet, plastic or corrosion-resistant-metal assembly complying with
ASTM F 877; with plastic or corrosion-resistant-metal valve for each outlet.
E. At the Contractors option, the use of a cold and hot water pipe manifold may be used for the
cold and hot water piping serving from the corridors to the fixtures (water closet, lavatory,
shower and sink) in each AL or SN Resident Unit Room.
2.06 PEX-AL-PEX TUBE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. PEX-AL-PEX Distribution System: ASTM F 1281 tubing.
C. Fittings for PEX-AL-PEX Tube: ASTM F 1281, metal-insert type with copper or stainless-steel
crimp rings and matching PEX-AL-PEX tube dimensions.
2.07 PEX-AL-HDPE TUBE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. PEX-AL-HPDE Distribution System: ASTM F 1986 tubing.
C. Fittings for PEX-AL-HDPE Tube: ASTM F 1986, metal-insert type with copper or stainless-
steel crimp ring and matching PEX-AL-HDPE tube dimensions
2.08 PVC PIPE AND FITTINGS:
A. Comply with requirements in “PART 3 - EXECUTION” for applications of pipe, tube, fitting
materials, and joining methods for specific services, service locations, and pipe sizes.
B. PVC Pipe: ASTM D 1785, Schedule 40.
C. PVC Socket Fittings: ASTM D 2466 for Schedule 40 and ASTM D 2467 for Schedule 80.
D. PVC Schedule 80 Threaded Fittings: ASTM D 2464.
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2.09 PIPING JOINING MATERIALS:
A. Pipe-Flange Gasket Materials:
1. AWWA C110/A21.10, rubber, flat face, 1/8 inch thick or ASME B16.21, nonmetallic
and asbestos free unless otherwise indicated.
2. Full-face or ring type unless otherwise indicated.
B. Metal, Pipe-Flange Bolts and Nuts: ASME B18.2.1, carbon steel unless otherwise indicated.
C. Solder Filler Metals: ASTM B 32, lead-free alloys.
D. Flux: ASTM B 813, water flushable.
E. Brazing Filler Metals: AWS A5.8/A5.8M, BCuP Series, copper-phosphorus alloys for general-
duty brazing unless otherwise indicated.
F. Copper Pipe 2 1/2” and larger; Optional (TIG) Gas Tungsten arc welding.
G. Solvent Cements for Joining CPVC Piping and Tubing: ASTM F 493.
1. CPVC solvent cement shall have a VOC content of 490 g/L or less when calculated
according to 40 CFR 59, Subpart D (EPA Method 24).
2. Adhesive primer shall have a VOC content of 550 g/L or less when calculated
according to 40 CFR 59, Subpart D (EPA Method 24).
3. Solvent cement and adhesive primer shall comply with the testing and product
requirements of the California Department of Health Services' "Standard Practice for
the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale
Environmental Chambers."
4. The Victaulic Company PGS-300 CPVC Piping system may be used on water and
chemical services where IPS size Schedule 80 CPVC pipe is approved for use. Pipe
and fittings shall be cut grooved to Victaulic’s PGS-300 groove specification.
Schedule 80 CPVC pipe shall meet the requirements of ASTM F441 and ASTM
D1784 - minimum cell classification 24447 Pipe.
H. Solvent Cements for Joining PVC Piping: ASTM D 2564. Include primer according to
ASTM F 656.
1. PVC solvent cement shall have a VOC content of 510 g/L or less when calculated
according to 40 CFR 59, Subpart D (EPA Method 24).
2. Adhesive primer shall have a VOC content of 550 g/L or less when calculated
according to 40 CFR 59, Subpart D (EPA Method 24).
3. Solvent cement and adhesive primer shall comply with the testing and product
requirements of the California Department of Health Services' "Standard Practice for
the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale
Environmental Chambers."
I. Plastic, Pipe-Flange Gaskets, Bolts, and Nuts: Type and material recommended by piping
system manufacturer unless otherwise indicated.
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2.10 ENCASEMENT FOR PIPING:
A. Standard: ASTM A 674 or AWWA C105/A21.5.
B. Form: Sheet or tube.
C. Color: Black or natural.
2.11 TRANSITION FITTINGS:
A. General Requirements:
1. Same size as pipes to be joined.
2. Pressure rating at least equal to pipes to be joined.
3. End connections compatible with pipes to be joined.
B. Fitting-Type Transition Couplings: Manufactured piping coupling or specified piping system
fitting.
C. Sleeve-Type Transition Coupling: AWWA C219.
1. Manufacturers: Subject to compliance with requirements, provide products by the
following
a. Cascade Waterworks Manufacturing.
b. Dresser, Inc.; Piping Specialties Products.
c. Ford Meter Box Company, Inc. (The).
d. JCM Industries.
e. Romac Industries, Inc.
f. Smith-Blair, Inc.; a Sensus company.
g. Viking Johnson.
D. Plastic-to-Metal Transition Fittings:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Charlotte Pipe and Foundry Company.
b. Harvel Plastics, Inc.
c. Spears Manufacturing Company.
2. Description:
a. CPVC one-piece fitting with manufacturer's Schedule 80 equivalent
dimensions.
b. One end with threaded brass insert and one solvent-cement-socket or
threaded end.
E. Plastic-to-Metal Transition Unions:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Colonial Engineering, Inc.
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b. NIBCO Inc.
c. Spears Manufacturing Company.
2. Description:
a. CPVC four-part union.
b. Brass or stainless-steel threaded end.
c. Solvent-cement-joint or threaded plastic end.
d. Rubber O-ring.
e. Union nut.
2.12 DIELECTRIC FITTINGS:
A. General Requirements: Assembly of copper alloy and ferrous materials with separating
nonconductive insulating material. Include end connections compatible with pipes to be
joined.
B. Dielectric Unions:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Capitol Manufacturing Company; member of the Phoenix Forge Group.
b. Central Plastics Company.
c. Hart Industries International, Inc.
d. Jomar International.
e. Matco-Norca.
f. McDonald, A. Y. Mfg. Co.
g. Watts; a division of Watts Water Technologies, Inc.
h. Wilkins; a Zurn company.
2. Standard: ASSE 1079.
3. Pressure Rating: 125 psig minimum at 180 deg F.
4. End Connections: Solder-joint copper alloy and threaded ferrous.
C. Dielectric Flanges:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Capitol Manufacturing Company; member of the Phoenix Forge Group.
b. Central Plastics Company.
c. Matco-Norca.
d. Watts; a division of Watts Water Technologies, Inc.
e. Wilkins; a Zurn company.
2. Standard: ASSE 1079.
3. Factory-fabricated, bolted, companion-flange assembly.
4. Pressure Rating: 125 psig minimum at 180 deg F.
5. End Connections: Solder-joint copper alloy and threaded ferrous; threaded solder-
joint copper alloy and threaded ferrous.
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D. Dielectric-Flange Insulating Kits:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Advance Products & Systems, Inc.
b. Calpico, Inc.
c. Central Plastics Company.
d. Pipeline Seal and Insulator, Inc.
2. Non-conducting materials for field assembly of companion flanges.
3. Pressure Rating: 150 psig.
4. Gasket: Neoprene or phenolic.
5. Bolt Sleeves: Phenolic or polyethylene.
6. Washers: Phenolic with steel backing washers.
E. Dielectric Nipples:
1. Manufacturers: Subject to compliance with requirements, provide products by the
following:
a. Elster Perfection Corporation.
b. Grinnell Mechanical Products; Tyco Fire Products LP.
c. Matco-Norca.
d. Precision Plumbing Products, Inc.
e. Victaulic Company.
2. Standard: IAPMO PS 66.
3. Electroplated steel nipple complying with ASTM F 1545.
4. Pressure Rating and Temperature: 300 psig at 225 deg F.
5. End Connections: Male threaded or grooved.
6. Lining: Inert and noncorrosive, propylene.
2.13 UNIONS AND CONNECTORS:
A. Unions: ANSI B16.39, malleable iron, Class 150, hexagonal stock, with ball- and-socket joints,
metal-to-metal bronze seating surfaces; female threaded ends. Threads shall conform to ANSI
B1.20.1.
B. Dielectric Unions: Threaded or soldered end connections as required to suit application;
constructed to isolate copper from galvanized pipe, prevent galvanic action, and prevent
corrosion.
C. Flexible Connectors: Stainless steel bellows with woven flexible bronze wire reinforcing
protective jacket; minimum 150 psig working pressure, maximum 250° F operating
temperature. Connectors shall have flanged or threaded end connections to match equipment
connected; and shall be capable of 3/4-inch misalignment.
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2.14 GENERAL DUTY VALVES:
A. Valves (i.e., gate, globe, check, ball, and butterfly valves) are specified in Division 20 Section
20 01 00 “Valves”. Special duty valves are specified below by their generic name; refer to Part
3 Article "VALVE APPLICATION" for specific uses and applications for each valve specified.
2.15 PIPING SPECIALTIES:
A. Water Hammer Arresters: Water hammer arresters shall be sized, tested and certified in
accordance with PDI Standard WH-201, A.S.S.E.-1010 and A.N.S.I.-A112.26.1.
1. Spun closed, one-piece, seamless type 'L' copper tube and factory charged, with
acetal piston, three EPDM O-rings, pressure-lubricated with Dow Coming III silicone
compound, FDA approved. Unit shall be pressure rated for 250 psi, designed to keep
waterline at 150 psi working pressure during pressure surges following quick valve
closure. Working temperature from 33° F to 250° F
B. Basket Strainers: Cast-iron body, 125 psi flanges, bolted type or yoke type cover; with
removable non-corrosive perforated strainer basket having 1/8-inch perforations and lift-out
handle.
2.16 HOSE BIBBS AND HYDRANTS:
A. Hose Bibbs (HB-1): Bronze body, renewable composition disc, tee handle, 3/4-inch NPT inlet,
and 3/4-inch hose outlet with vacuum breaker. Similar to Chicago #387-E27CP.
B. Recessed Non-Freeze Wall Hydrants (WH-1): Cast-bronze box, with nickel bronze face, tee
handle key, vacuum breaker, hinged locking cover, 3/4-inch inlet, and hose outlet. Bronze
casing shall be length to suit wall thickness. J.R. Smith model 5509 QT.
2.17 BACKFLOW PREVENTERS:
A. Backflow Preventers: Reduced pressure zone principle assembly consisting of shutoff valves
on inlet and outlet, and strainer on inlet. Assemblies shall include test cocks, and pressure
differential relief valve located between 2 positive seating check valves, and comply with
requirements of ASSE Standard 1013. Unit must be listed by name and model number on the
State Department of Health approved list of RPZ type valves.
B. Pressure Type Vacuum Breaker: Watts #800-QT pressure type vacuum breaker certified
under FCCCHR of USC Section 10, ASSE Std. 1020. Unit must be listed on the State
Department of Health approved list of "Pressure Type Vacuum Breakers”.
2.18 REGULATING AND RELIEF VALVES:
A. Pressure Regulating Valves:
1. Single seated, direct operated type: having bronze body with integral strainer, and
complying with requirements of ASSE Standard 1003. Select proper size for maximum
flow rate and inlet and outlet pressures indicated. Cla-Val 990 series.
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2. Hydraulically pilot operated single diaphragm actuated type: having ductile iron body
and cover, FDA approved diaphragm resilient synthetic rubber disc; restriction fitting,
pressure reducing control, strainers, isolation valves. Select proper size for maximum
flow rate and inlet and outlet pressures indicated. Cla-Val 90-01 series.
B. Relief Valves: Provide proper size relief valve, in accordance with ASME Boiler and Pressure
Vessel Codes, for indicated capacity of the appliance for which installed.
C. Combined Pressure-Temperature Relief Valves: Bronze body, test lever, thermostat,
complying with ANSI Z21.22 listing requirements for temperature discharge capacity. Provide
temperature relief at 210 °F, and pressure relief at 150 psig.
2.19 REACTION ANCHORS:
A. Provide concrete thrust blocking or joint harness for all pressure piping in accordance with
NFPA 24.
B. Thrust blocking: Sufficient mass of concrete, bearing on solid undisturbed earth, to resist
hydraulic thrust at maximum pressure to which pipe will be subjected, 150 psi minimum.
C. Joint harness: Steel straps and rods across joints, securely anchored on pipe or other
adequate anchorage to resist hydraulic thrust at maximum pressure to which pipe will be
subjected, 150 psi minimum.
1. Coal tar coating: Koppers Bitumastic type 50.
2. Clamps, straps, and washers: steel, ASTM A506.
3. Rods: Steel, ASTM A575
4. Rod coupling: Malleable iron
5. Bolts: Steel, ASTM A307
6. Cast iron washers: Gray iron ASTM A126
PART 3 - EXECUTION
3.01 EXAMINATION:
A. Verify all dimensions by field measurements. Verify that all water distribution piping may be
installed in accordance with pertinent codes and regulations, the original design and the
referenced standards.
B. Examine rough-in requirements for plumbing fixtures and other equipment having water
connections to verify actual locations of piping connections prior to installation.
C. Do not proceed until unsatisfactory conditions have been corrected.
3.02 PIPE APPLICATIONS:
A. Transition and special fittings with pressure ratings at least equal to piping rating may be used
in applications below unless otherwise indicated.
B. Flanges and unions may be used for aboveground piping joints unless otherwise indicated.
C. Contractor may choose from one of the following:
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D. Under-building-slab, domestic water, building-service piping and fire service main piping
NPS 4 and larger, shall be one of the following:
1. Cement-lined ductile-iron pipe (4” and larger) with rubber gasketed joints below
ground, inside building and to 5’-0” outside the building.
2. CPVC, Schedule 40 or Schedule 80; socket fittings; and solvent-cemented joints.
E. Under-building-slab, domestic water, building-service piping, NPS 4 and smaller, shall be one
of the following:
1. CPVC, Schedule 40 or Schedule 80; socket fittings; and solvent-cemented joints.
2. Type K, annealed temper copper tubing (2” and smaller) with minimum number of
joints, below ground and within slabs.
F. Aboveground domestic water piping, NPS 2 and smaller, shall be one of the following:
1. Type L, drawn copper tubing (4” and smaller) with wrought copper fittings and solder
joints above ground, within the building.
2. At the Contractor’s option, install Type L, drawn copper tubing (4” and smaller) with
wrought copper “press fittings” in accordance with the manufacturer’s
recommendations above ground, within the building.
3. CPVC, Schedule 40 or Schedule 80; socket fittings; and solvent-cemented joints.
4. CPVC, Schedule 80 pipe; CPVC, Schedule 80 threaded fittings; and threaded joints.
5. CPVC Tubing System: CPVC tube; CPVC socket fittings; and solvent-cemented
joints. NPS 1-1/2 and NPS 2 CPVC pipe with CPVC socket fittings may be used
instead of tubing.
6. CTS CPVC piping system; tube; socket fittings; and solvent-cemented joints.
7. PEX tube, NPS 1 and smaller; fittings for PEX tube; and crimped joints.
8. Install PEX-a tube and fittings for PEX tube (NPS 2” and smaller) with PEX-a cold
expansion fitting consisting of appropriate ProPEX fitting with a corresponding ProPEX
ring above ground, within the building.
G. Aboveground domestic water piping, NPS 2-1/2 to NPS 4, shall be one of the following:
1. Type L, drawn copper tubing (4” and smaller) with wrought copper fittings and solder
joints above ground, within the building.
2. At the Contractor’s option, install Type L, drawn copper tubing (4” and smaller) with
wrought copper “press fittings” in accordance with the manufacturer’s
recommendations above ground, within the building.
3. CPVC, Schedule 40 or Schedule 80; socket fittings; and solvent-cemented joints.
4. CPVC, Schedule 80 pipe; CPVC, Schedule 80 threaded fittings; and threaded joints.
5. CPVC, Schedule 80 pipe; CPVC, Schedule 80 with cut-grooved ends, grooved
mechanical fittings, and mechanical couplings.
3.03 PIPING INSTALLATION:
A. General Locations and Arrangements: Drawings (plans, schematics, and diagrams) indicate
the general location and arrangement of the piping systems. Location and arrangement of
piping layout take into consideration pipe sizing and friction loss, expansion, pump sizing, and
other design considerations. So far as practical, install piping as indicated.
B. Use fittings for all changes in direction and all branch connections.
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C. Branch connections shall be made from the side or bottom of the main to facilitate drainage.
D. Install exposed piping, at right angles or parallel to building walls. Diagonal runs are not
permitted, unless expressly indicated.
E. Install piping free of sags or bends and with ample space between piping to permit proper
insulation applications.
F. Conceal all pipe installations in walls, pipe chases, utility spaces, above ceilings, below grade
or floors, unless indicated to be exposed to view.
G. Install piping tight to slabs, beams, joists, columns, walls, and other permanent elements of the
building.
H. Provide space to permit insulation applications, with 1-inch clearance outside the insulation.
Allow sufficient space above removable ceiling panels to allow for panel removal.
I. Locate groups of pipes parallel to each other, spaced to permit applying full insulation and
servicing of valves.
J. Install drains at low points in mains, risers, and branch lines consisting of a tee fitting, 3/4-inch
ball valve, and short 3/4-inch threaded nipple and cap.
K. Exterior Wall Penetrations: Seal pipe penetrations through exterior walls using sleeves and
mechanical sleeve seals. Pipe sleeves smaller than 6 inch shall be steel: pipe sleeves 6 inch
and larger shall be sheet metal.
L. Fire Barrier Penetrations: Where pipes pass through time rated fire resistive construction
including fire rated walls, partitions, ceilings, and floors, maintain the fire rated integrity. Refer
to Division-7 for special sealers and materials.
M. Install piping level with no pitch.
N. Insulate buried (below ground) water piping with 1” thick polyurethane insulation. Cover
polyurethane with a field installed PVC jacket. Seal joints watertight following manufacturer’s
instructions.
O. Install piping concealed from view and protected from physical contact by building occupants
unless otherwise indicated and except in equipment rooms and service areas.
P. Install PEX piping with loop at each change of direction of more than 90 degrees.
Q. Provide expansion and contraction (loops, offsets and change of direction) per manufacturer’s
requirements.
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R. Furnish and install expansion loops on domestic water piping mains in corridors per piping
manufacturer’s requirements.
S. Furnish and install expansion compensation (loops, offsets and devices) at building expansion
joint, per manufacturer’s requirements.
T. Install piping to permit valve servicing.
U. Connect risers and branch connections to mains with at least four pipe fittings including tee in
main.
V. CPVC and PEX water piping shall be installed level and plumb, parallel and perpendicular to
other building systems and components, and in a professional manner.
W. Install thermometers on outlet piping from each water heater. Comply with requirements for
thermometers in Section 200135 "Meters and Gages".
X. Install sleeve seals for piping penetrations of concrete walls and slabs. Comply with
requirements for sleeve seals specified in Section 200050 "Basic Mechanical Materials and
Methods."
Y. Install escutcheons for piping penetrations of walls, ceilings, and floors. Comply with
requirements for escutcheons specified in Section 200050 "Basic Mechanical Materials and
Methods."
Z. Install PEX or PEX-a piping in accordance with manufacturer’s installation instructions.
AA. Install CPVC, Schedule 80 with cut-grooved ends, piping in accordance with manufacturer’s
installation instructions.
3.04 HANGERS AND SUPPORTS:
A. General: Hangers, supports, and anchors devices are specified in Section 20 01 40. Conform
to the table below for maximum spacing of supports:
B. Install the following pipe attachments
1. Adjustable steel clevis hangers for individual horizontal runs less than 20 feet in
length.
2. Adjustable roller hangers and spring hangers for individual horizontal runs 20 feet and
longer.
3. Pipe roller, complete-MSS Type 44 for multiple horizontal runs, 20 feet or longer,
support on a trapeze.
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C. Install hangers at the following intervals:
PIPE MATERIAL MAX HORIZ. SPACING MAX VERT. SPACING
Cast-Iron Pipe 5’-0” 15’-0”
Copper Tubing - 1-1/4"
and smaller 6’-0” 10’-0”
Copper Tubing - 1-1/2"
and larger 10’-0” 10-0”’
PEX Pipe 2.67’-0” 10’-0”
CPVC Pipe - 1"
and smaller 3’-0” 10’-0”
CPVC Pipe - 1-1/4"
and larger 4’-0” 10’-0”
Steel Pipe 12’-0” 15-0”’
PP Pipe - 1"
and smaller 2.67’ 10’-0”
PP Pipe - 1-1/4"
and larger 4’-0” 10’-0”
PVC Pipe 4’-0” 10’-0”
Stainless Steel Pipe 10’-0” 10’-0”
D. Install hangers with the following minimum rod sizes and maximum spacing:
Nom. Pipe Size
Max. Span-Ft. Min. Rod Size-Inches
1 and smaller 7 3/8
1-1/4 and 1-1/2 9 3/8
2 10 3/8
3 12 1/2
3-1/2 13 1/2
4 14 5/8
5 16 5/8
6 17 3/4
8 19 7/8
10 22 7/8
12 23 7/8
Support vertical runs at each floor.
E. Additional hangers and supports requirements for horizontal Cast-Iron pipe, vertical PEX pipe,
vertical CPVC pipe, vertical PP pipe, vertical PVC pipe and vertical Stainless-Steel pipe; refer
to Indiana Plumbing Code.
3.05 PIPE AND TUBE JOINT CONSTRUCTION:
A. Joint Construction for Grooved-End, Ductile-Iron Piping: Make joints according to
AWWA C606. Cut round-bottom grooves in ends of pipe at gasket-seat dimension required
for specified (flexible or rigid) joint. Lubricate and install gasket over ends of pipes or pipe and
fitting. Install coupling housing sections over gasket with keys seated in piping grooves.
Install and tighten housing bolts.
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B. Soldered Joints: Comply with the procedures contained in the AWS "Soldering Manual."
1. CAUTION: Remove stems, seats, and packing of valves and accessible internal parts
of piping specialties before soldering.
2. Heat joints to proper and uniform temperature.
C. Threaded Joints: Conform to ANSI B1.20. 1, tapered pipe threads for field cut threads. Join
pipe fittings and valves as follows:
1. Note the internal length of threads in fittings or valve ends, and proximity of internal
seat or wall, to determine how far pipe should be threaded into joint.
2. Align threads at point of assembly.
3. Apply appropriate tape or thread compound to the external pipe threads (except where
dry seal threading is specified).
4. Assemble joint wrench tight. Wrench on valve shall be on the valve end into which the
pipe is being threaded.
5. Damaged Threads: Do not use pipe with threads which are corroded or damaged. If a
weld opens during cutting or threading operations, that portion of pipe shall not be
used.
D. Flanged Joints: Align flanged surfaces parallel. Assemble joints by sequencing bolt tightening
to make initial contact of flanges and gaskets as flat and parallel as possible.
1. Use suitable lubricants on bolt threads.
2. Tighten bolts gradually and uniformly using torque wrench.
E. Joint Construction for Solvent-Cemented Plastic Piping: Clean and dry joining surfaces. Join
pipe and fittings according to the following:
1. Comply with ASTM F 402 for safe-handling practice of cleaners, primers, and solvent
cements. Apply primer.
2. CPVC Piping: Join according to ASTM D 2846/D 2846M Appendix.
F. Joints for PEX Piping: Join according to ASTM F 1807.
3.06 SERVICE ENTRANCE:
A. Extend water distribution piping to connect to water service piping of size and in location
indicated for service entrance to building. Water service piping is specified in Section 33 11 16.
B. Install sleeve and mechanical sleeve seal at pipe penetrations through foundation wall for
watertight installation.
C. Install sleeve where pipe passes under foundation wall.
D. Install shutoff valve at service entrance inside building; complete with strainer, pressure gage,
and test tee with valve.
E. Ductile-iron Pipe: Install in accordance with AWWA C-60.
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F. Reaction anchors: Use concrete thrust blocking where solid undisturbed earth is available.
Use joint harnesses in other places. If lack of undisturbed earth is the result of improper
trench excavation, provide joint harness at no additional cost. Coat underground metal
surfaces not encased in concrete with two coats of Koppers Bitumastic type 50. Bitumastic
shall be applied to clean dry surfaces only. Allow first coat to dry before applying second coat.
3.07 INSTALLATION OF WATER METER:
A. Install water meter in accordance with Utility Company's installation instructions and
requirements.
3.08 ROUGH-IN FOR WATER METER:
A. Install rough-in piping and specialties for water meter installation in accordance Utility
Company’s instructions and requirements.
3.09 VALVE APPLICATIONS:
A. General Duty Valve Applications: The Drawings indicate valve types to be used. Where
specific valve types are not indicated the following requirements apply:
B. Shut-off duty: Use gate, ball, and butterfly valves.
C. Throttling duty: Use ball, and butterfly valves.
3.10 INSTALLATION OF VALVES:
A. Sectional Valves: Install sectional valves on each branch and riser close to main, where
branch or riser serves 2 or more plumbing fixtures or equipment connections, and elsewhere
as indicated. For sectional valves 2 inch and smaller, use gate or ball valves; for sectional
valves 2-1/2 inch and larger, use gate or butterfly valves.
B. Shutoff Valves: Install shutoff valves on inlet of each plumbing equipment item, and on inlet of
each plumbing fixture, and elsewhere as indicated. For shutoff valves 2 inch and smaller, use
gate or ball valves; for shutoff valves 2-1/2 inch and larger, use gate or butterfly valves.
C. Drain Valves: Install drain valves on each plumbing equipment item, located to completely
drain equipment for service or repair. Install drain valves at the base of each riser, at low
points of horizontal runs, and elsewhere as required to completely drain distribution piping
system. For drain valves 2 inch and smaller, use gate or ball valves; for drain valves 2-1/2 inch
and larger, use gate or butterfly valves.
D. Hose Bibbs, Hydrants: Install where indicated, with vacuum breaker.
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3.11 INSTALLATION OF PIPING SPECIALTIES:
A. Install backflow preventers at each connection to mechanical equipment and systems, and in
compliance with the plumbing code and authority having jurisdiction. Locate in same room as
equipment being connected. Pipe relief outlet without valves, to nearest floor drain. RPZ
backflow preventers are required only on specific services, per State of Indiana Administrative
Rules, Section 327 IAC 8-10-4 "Cross Connection Hazards" and Section 327 IAC 8-10-8
“Inspection of Devices; Time Limits”.
B. Install pressure regulating valves with inlet and outlet shutoff valves, and balance cock bypass.
Install pressure gage on valve outlet. Installation shall be in accordance with manufacturer’s
piping diagrams.
C. Install full size piping from discharge of pressure relief valves to nearest floor drain or mop
basin.
D. Size and Locate Water Hammer Arresters in accordance with the following schedule and
located within an effective range of the quick-closing valve as per the requirements of
Standard PDI-WH2O1, A.S.S.E.-1010 and A.N.S.I.-A112.26.1. current editions, whether
shown or not shown on the drawings.
WATER HAMMER ARRESTER SCHEDULE
MARK I.P.S. F.U. RATING J.R. SMITH NO. WADE NO. ZURN NO.
‘A’ 3/4” 1-11 5005 W-5 100
‘B’ 1” 12-32 5010 W-10 200
‘C’ 1” 33-60 5020 W-20 300
‘D’ 1” 61-113 5030 W-50 400
‘E’ 1” 114-154 5040 W-75 500
‘F’ 1” 155-330 5050 W-100 600
All water hammer arresters shall be P.D.I. certified
3.12 EQUIPMENT CONNECTIONS:
A. Supplies and Trim: All supplies, hardware, trim, traps, etc. to fixtures and equipment shall be
chrome plated brass if exposed.
B. Piping Runouts to Fixtures: Provide hot and cold-water piping runouts to fixtures of sizes
indicated, but in no case smaller than required by Plumbing Code.
C. Mechanical Equipment Connections: Connect hot and cold-water piping system to mechanical
equipment as indicated. Provide shutoff valve and union for each connection. Provide drain
valve on drain connection. For connections 2-1/2" and larger, use flanges instead of unions.
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3.13 IDENTIFICATION:
A. Identify system components. Comply with requirements for identification materials and
installation in Section 20 01 90 "Mechanical Identification".
B. Label pressure piping with system operating pressure.
3.14 FIELD QUALITY CONTROL:
A. Inspections: Inspect water distribution piping as follows:
1. Do not enclose, cover, or put into operation water distribution piping system until it has
been inspected and approved by the authority having jurisdiction.
2. During the process of the installation, notify the plumbing official having jurisdiction, at
least 24 hours prior to the time such inspection must be made. Perform tests specified
below in the presence of the plumbing official.
3. Rough-in Inspection: Arrange for inspection of the piping system before being
concealed or closed-in after system is roughed-in, and prior to setting fixtures.
4. Final Inspection: Arrange for a final inspection by the plumbing official to observe the
tests specified below and to insure compliance with the requirements of the plumbing
code.
5. Reinspections: Whenever the plumbing official finds that the piping system will not
pass the test or inspection, make the required corrections and arrange for reinspection
by the plumbing official.
6. Reports: Prepare inspection reports, signed by the plumbing official.
B. Test water distribution piping as follows:
1. Test for leaks and defects all new water distribution piping systems and parts of
existing systems which have been altered, extended or repaired. If testing is
performed in segments, submit a separate report for each test, complete with a
diagram of the portion of the system tested.
2. Leave uncovered and unconcealed all new, altered, extended, or replaced water
distribution piping until it has been tested and approved. Expose all such work for
testing that has been covered or concealed before it has been tested and approved.
3. Cap and subject the piping system to a static water pressure of 50 psig above the
operating pressure without exceeding the pressure rating of the piping system
materials. Isolate the test source and allow to stand for a period of 4 hours. Leaks and
loss in test pressure constitute defects which must be repaired.
4. Repair all leaks and defects using new materials and retest system or portion thereof
until satisfactory results are obtained.
5. Prepare reports for all tests and required corrective action.
3.15 ADJUSTING AND CLEANING:
A. Clean and Disinfect water distribution piping as follows:
B. Purge all new water distribution piping systems and parts of existing systems, which have
been altered, extended, or repaired prior to use.
C. Hot water piping shall be sterilized with cold water, not heated.
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D. Use the purging and disinfecting procedure prescribed by the authority having jurisdiction, or in
case a method is not prescribed by that authority, the procedure described in either AWWA
C651, or AWWA D105. or as described below:
1. Flush the piping system with clean, potable water until dirty water does not appear at
the points of outlet.
2. Fill the system or part thereof, with a water/chlorine solution containing at least 50
parts per million of chlorine. Isolate (valve off) the system, or part thereof, and allow to
stand for 24 hours.
3. Drain the system, or part thereof, of the previous solution, and refill with a
water/chlorine solution containing at least 200 parts per million of chlorine and isolate
and allow to stand for 3 hours.
4. Following the allowed standing time, flush the system with clean potable water until
chlorine does not remain in the water coming for the system.
5. Purge/flush water systems until all air is removed.
6. Submit water samples in sterile bottles to the authority having jurisdiction. Repeat the
procedure if the biological examination made by the authority shows evidence of
contamination.
E. Prepare reports for all purging and disinfecting activities.
F. The Contractor shall be solely responsible for the final delivery of potable water approved by
the Indiana State Department of Health.
3.16 COMMISSIONING:
A. Fill the system.
B. Before operating the system perform these steps:
1. Open valves to full open position. Close drain valves, hydrants, and hose bibbs.
2. Remove and clean strainers.
END OF SECTION
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