Nevada Administrative Code
Chapter 445A - Water Controls
PUBLIC WATER SYSTEMS
Design, Construction, Operation and Maintenance
Section 445A.66315 - "Reduced pressure principle assembly" defined
Universal Citation: NV Admin Code 445A.66315
Current through September 16, 2024
"Reduced pressure principle assembly" means an assembly that:
1. Contains:
(a) Two independently acting approved check
valves; and
(b) A hydraulically
operating, mechanically independent pressure relief valve that is located
between the approved check valves and below the upstream check valve;
2. Has properly located, resilient, seated test cocks and tightly closing, resilient, seated shutoff valves at each end of the assembly;
3. Is designed to protect against pollution and contamination under conditions of backsiphonage or backpressure; and
4. Has been tested and approved, in accordance with American Water Works Association Standard C511, by an approved backflow testing laboratory.
Added to NAC by Bd. of Health, eff. 2-20-97
NRS 445A.860
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