Specifications - State of Delaware

SECTION 221119 - DOMESTIC WATER PIPING SPECIALTIES
PART 1 - GENERAL
1.01 SUMMARY:
A. This Section includes the following domestic water piping specialties:
1. Vacuum breakers.
2. Backflow preventers.
3. Water pressure-reducing valves.
4. Strainers.
5. Hose bibbs.
6. Wall hydrants.
7. Drain valves.
8. Water hammer arresters.
9. Air vents.
10. Trap-seal primer systems.
B. Related Work Specified Elsewhere:
1. Thermometers, pressure gauges, and flowmeters in domestic water piping: SECTION
230519 - METERS AND GAUGES.
2. Water meters: SECTION 221116 - DOMESTIC WATER PIPING.
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. 1011 - Hose Connection Vacuum Breakers.
d. 1013 - Reduced Pressure Principle Backflow Preventers and Reduced Pressure
Principle Fire Protection Backflow Preventers.
e. 1017 - Temperature Actuated Mixing Valves for Hot Water Distribution System.
f. 1018 - Trap Seal Primer Valves - Water Supply Fed.
g. 1044 - Trap Seal Primer Devices - Drainage Types and Electronic Design Types.
h. 1052 - Hose Connection Backflow Preventers.
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. 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.
5. NSF International (NSF):
a. 14 - Plastics Piping Components and Related Materials.
b. 61 - Drinking Water System Components - Health Effects; Sections 1 through 9.
6. Plumbing & Drainage Institute (PDI):
a. WH 201 - Water Hammer Arrestors.
DEAN221119.DOC 221119-1