bafbrwhq15145.pdf

SECTION 15145 REPAIR WING HEADQUARTERS, BLDG 706

DOMESTIC WATER PIPING SPECIALTIES CRWU 06-2071

06/09/09 15145-1 BUCKLEY AFB

SECTION 15145 - DOMESTIC WATER PIPING SPECIALTIES

PART 1 - GENERAL

1.01 SUMMARY:

A. This Section includes the following domestic water piping specialties:

1. Backflow preventers.

2. Balancing valves.

3. Strainers.

4. Drain valves.

5. Water hammer arresters.

B. Related Work Specified Elsewhere:

1. Thermometers and pressure gauges in domestic water piping: SECTION 15122 -

METERS AND GAUGES.

2. Water meters: SECTION 15140 - DOMESTIC WATER PIPING.

3. Water filters for water coolers: SECTION 15415 - DRINKING FOUNTAINS AND

WATER COOLERS.

1.02 REFERENCES:

A. Applicable Standards (Latest Edition):

1. American Society of Sanitary Engineering (ASSE):

a. 1003 - Water Pressure Reducing Valves.

b. 1010 - Water Hammer Arresters.

c. 1013 - Reduced Pressure Principle Backflow Preventers and Reduced Pressure

Principle Fire Protection Backflow Preventers.

d. 1015 - Double-Check Backflow Prevention Assemblies and Double Check Fire

Protection Backflow Prevention Assemblies.

2. American Water Works Association (AWWA):

a. C550 - Protective Epoxy Interior Coatings for Valves and Hydrants.

3. ASME International (ASME):

a. A112.1.2 - Air Gap Fittings in Plumbing Systems.

b. A112.18.1 - Plumbing Fixture Fittings.

c. B1.20.7 - Hose Coupling Screw Threads (Inch).

4. ASTM International (ASTM):

a. B62 - Composition Bronze or Ounce Metal Castings.

b. B88 - Seamless Copper Water Tube.

c. B88M - Seamless Copper Water Tube (Metric).

5. Manufacturers Standardization Society of the Valve and Fittings Industry Inc. (MSS):

a. SP-80 - Bronze Gate, Globe, Angle and Check Valves.

b. SP-110 - Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared

Ends.

6. NFPA:

a. 70 - National Electrical Code.

7. NSF International (NSF):

a. 14 - Plastics Piping Components and Related Materials.

b. 61 - Drinking Water System Components - Health Effects; Sections 1 through 9.

8. Plumbing & Drainage Institute (PDI):

a. WH 201 - Water Hammer Arrestors.

SECTION 15145 REPAIR WING HEADQUARTERS, BLDG 706

DOMESTIC WATER PIPING SPECIALTIES CRWU 06-2071

BUCKLEY AFB 15145-2 06/09/09

1.03 PERFORMANCE REQUIREMENTS:

A. Minimum Working Pressure for Domestic Water Piping Specialties: 125 psig (860 kPa), unless otherwise indicated.

1.04 SUBMITTALS:

A. General: Submit each item in this Article in accordance with SECTION 15050 - BASIC

MECHANICAL MATERIALS AND METHODS.

B. Product Data: For each type of product indicated.

C. Field quality-control test reports.

D. Operation and Maintenance Data: For domestic water piping specialties to include in emergency, operation, and maintenance manuals.

1.05 QUALITY ASSURANCE:

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

B. NSF Compliance:

1. Comply with NSF 14 for plastic domestic water piping components.

2. Comply with NSF 61.

PART 2 - PRODUCTS

2.01 BACKFLOW PREVENTERS:

A. Double-Check, Detector-Assembly Backflow Preventers:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Ames Co.

b. Conbraco Industries, Inc.

c. FEBCO; SPX Valves & Controls.

d. Watts Industries, Inc.; Water Products Div.

e. Zurn Plumbing Products Group; Wilkins Div.

2. Standard: ASSE 1048 and FMG approved or UL listed.

3. Operation: Continuous-pressure applications.

4. Pressure Loss: 5 psig (35 kPa) maximum, through middle 1/3 of flow range.

5. Size: 4 NPS (100 DN).

6. Design Flow Rate: 600 gpm (L/s).

7. Pressure Loss at Design Flow Rate: 6 psig (41 kPa).

8. Body: Ductile Iron with interior lining complying with AWWA C550 or that is FDA approved.

9. End Connections: Flanged.

10. Configuration: Designed for vertical flow.

11. Accessories:

a. Valves: Outside screw and yoke gate-type with flanged ends on inlet and outlet.

b. Bypass: With displacement-type water meter, shutoff valves, and reduced-pressure backflow preventer.

B. Backflow-Preventer Test Kits:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

SECTION 15145 REPAIR WING HEADQUARTERS, BLDG 706

DOMESTIC WATER PIPING SPECIALTIES CRWU 06-2071

06/09/09 15145-3 BUCKLEY AFB

a. Conbraco Industries, Inc.

b. FEBCO; SPX Valves & Controls.

c. Flomatic Corporation.

d. Watts Industries, Inc.; Water Products Div.

e. Zurn Plumbing Products Group; Wilkins Div.

2. Description: Factory calibrated, with gauges, fittings, hoses, and carrying case with test-procedure instructions.

2.02 BALANCING VALVES:

A. Copper-Alloy Calibrated Balancing Valves:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Armstrong International, Inc.

b. Flo Fab Inc.

c. ITT Industries; Bell & Gossett Div.

d. NIBCO INC.

e. TAC Americas.

f. Taco, Inc.

g. Watts Industries, Inc.; Water Products Div.

2. Type: Ball or Y-pattern globe valve with two readout ports and memory setting indicator.

3. Body: Brass or bronze.

4. Size: Same as connected piping, but not larger than NPS 2 (DN 50).

5. Accessories: Meter hoses, fittings, valves, differential pressure meter, and carrying case.

B. Cast-Iron Calibrated Balancing Valves:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Armstrong International, Inc.

b. Flo Fab Inc.

c. ITT Industries; Bell & Gossett Div.

d. NIBCO INC.

e. TAC Americas.

f. Watts Industries, Inc.; Water Products Div.

2. Type: Adjustable with Y-pattern globe valve, two readout ports, and memory-setting indicator.

3. Size: Same as connected piping, but not smaller than NPS 2-1/2 (DN 65).

C. Accessories: Meter hoses, fittings, valves, differential pressure meter, and carrying case.

D. Memory-Stop Balancing Valves:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Conbraco Industries, Inc.

b. Crane Co.; Crane Valve Group; Crane Valves.

c. Crane Co.; Crane Valve Group; Jenkins Valves.

d. Crane Co.; Crane Valve Group; Stockham Div.

e. Hammond Valve.

f. Milwaukee Valve Company.

g. NIBCO INC.

h. Red-White Valve Corp.

SECTION 15145 REPAIR WING HEADQUARTERS, BLDG 706

DOMESTIC WATER PIPING SPECIALTIES CRWU 06-2071

BUCKLEY AFB 15145-4 06/09/09

2. Standard: MSS SP-110 for two-piece, copper-alloy ball valves.

3. Pressure Rating: 400-psig (2760-kPa) minimum CWP.

4. Size: NPS 2 (DN 50) or smaller.

5. Body: Copper alloy.

6. Port: Standard or full port.

7. Ball: Chrome-plated brass.

8. Seats and Seals: Replaceable.

9. End Connections: Solder joint or threaded.

10. Handle: Vinyl-covered steel with memory-setting device.

2.03 STRAINERS FOR DOMESTIC WATER PIPING:

A. Y-Pattern Strainers:

1. Pressure Rating: 125 psig (860 kPa) minimum, unless otherwise indicated.

2. Body: Bronze for NPS 2 (DN 50) and smaller; cast iron with interior lining complying with AWWA C550 or FDA-approved, epoxy coating and for NPS 2-1/2 (DN 65) and larger.

3. End Connections: Threaded for NPS 2 (DN 50) and smaller; flanged for NPS 2-1/2 (DN 65) and larger.

4. Screen: Stainless steel with round perforations, unless otherwise indicated.

5. Perforation Size:

a. Strainers NPS 2 (DN 50) and Smaller: 0.020 inch (0.51 mm).

b. Strainers NPS 2-1/2 to NPS 4 (DN 65 to DN 100): 0.045 inch (1.14 mm).

6. Drain: Pipe plug.

2.04 DRAIN VALVES:

A. Ball-Valve-Type, Hose-End Drain Valves:

1. Standard: MSS SP-110 for standard-port, two-piece ball valves.

2. Pressure Rating: 400-psig (2760-kPa) minimum CWP.

3. Size: NPS 3/4 (DN 20).

4. Body: Copper alloy.

5. Ball: Chrome-plated brass.

6. Seats and Seals: Replaceable.

7. Handle: Vinyl-covered steel.

8. Inlet: Threaded or solder joint.

9. Outlet: Threaded, short nipple with garden-hose thread complying with ASME B1.20.7 and cap with brass chain.

B. Gate-Valve-Type, Hose-End Drain Valves:

1. Standard: MSS SP-80 for gate valves.

2. Pressure Rating: Class 125.

3. Size: NPS 3/4 (DN 20).

4. Body: ASTM B 62 bronze.

5. Inlet: NPS 3/4 (DN 20) threaded or solder joint.

6. Outlet: Garden-hose thread complying with ASME B1.20.7 and cap with brass chain.

C. Stop-and-Waste Drain Valves:

1. Standard: MSS SP-110 for ball valves or MSS SP-80 for gate valves.

2. Pressure Rating: 200-psig (1380-kPa) minimum CWP or Class 125.

3. Size: NPS 3/4 (DN 20).

4. Body: Copper alloy or ASTM B 62 bronze.

SECTION 15145 REPAIR WING HEADQUARTERS, BLDG 706

DOMESTIC WATER PIPING SPECIALTIES CRWU 06-2071

06/09/09 15145-5 BUCKLEY AFB

5. Drain: NPS 1/8 (DN 6) side outlet with cap.

2.05 WATER HAMMER ARRESTERS:

A. Water Hammer Arresters:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AMTROL, Inc.

b. Josam Company.

c. MIFAB, Inc.

d. PPP Inc.

e. Sioux Chief Manufacturing Company, Inc.

f. Smith, Jay R. Mfg. Co.; Division of Smith Industries, Inc.

g. Tyler Pipe; Wade Div.

h. Watts Drainage Products Inc.

i. Zurn Plumbing Products Group; Specification Drainage Operation.

2. Standard: ASSE 1010 or PDI-WH 201.

3. Type: Metal bellows.

4. Size: ASSE 1010, Sizes AA and A through F or PDI-WH 201, Sizes A through F.

PART 3 - EXECUTION

3.01 INSTALLATION:

A. Refer to SECTION 15050 - BASIC MECHANICAL MATERIALS AND METHODS for piping joining materials, joint construction, and basic installation requirements.

B. Install backflow preventers in each water supply to mechanical equipment and systems and to other equipment and water systems that may be sources of contamination. Comply with authorities having jurisdiction.

1. Locate backflow preventers in same room as connected equipment or system.

2. Install drain for backflow preventers with atmospheric-vent drain connection with air-gap fitting, fixed air-gap fitting, or equivalent positive pipe separation of at least two pipe diameters in drain piping and pipe to floor drain. Locate air-gap device attached to or under backflow preventer. Simple air breaks are not acceptable for this application.

3. Do not install bypass piping around backflow preventers.

C. Install balancing valves in locations where they can easily be adjusted.

D. Install temperature-actuated water mixing valves with check stops or shutoff valves on inlets and with shutoff valve on outlet.

1. Install thermometers and water regulators if specified.

2. Install cabinet-type units recessed in or surface mounted on wall as specified.

E. Install Y-pattern strainers for water on supply side of each control valve,and pump.

F. Install water hammer arresters in water piping according to PDI-WH 201.

G. Install air vents at high points of water piping. Install drain piping and discharge onto floor drain.

3.02 CONNECTIONS:

A. Piping installation requirements are specified in other DIVISION 15 Sections. Drawings indicate general arrangement of piping and specialties.

3.03 LABELING AND IDENTIFYING:

SECTION 15145 REPAIR WING HEADQUARTERS, BLDG 706

DOMESTIC WATER PIPING SPECIALTIES CRWU 06-2071

BUCKLEY AFB 15145-6 06/09/09

A. Equipment Nameplates and Signs: Install engraved plastic-laminate equipment nameplate or sign on or near each of the following:

1. Double-check, detector-assembly backflow preventers.

B. Distinguish among multiple units, inform operator of operational requirements, indicate safety and emergency precautions, and warn of hazards and improper operations, in addition to identifying unit. Nameplates and signs are specified in SECTION 15075 - MECHANICAL

IDENTIFICATION.

3.04 FIELD QUALITY CONTROL:

A. Perform the following tests and prepare test reports:

1. Test each double-check, detector-assembly backflow preventer according to authorities having jurisdiction and the device's reference standard.

B. Remove and replace malfunctioning domestic water piping specialties and retest as specified above.

3.05 ADJUSTING:

A. Set field-adjustable flow set points of balancing valves.

B. Set field-adjustable temperature set points of temperature-actuated water mixing valves.

END OF SECTION 15145