The water supply routing originates from the site and passes through a main building shut-off valve and reduced pressure backflow preventer before branching into parallel lines. Each branch incorporates a strainer with a blow-down valve and an adjustable pressure reducing valve, with sizes specified per the plumbing schedule. The entire station is supported by three L3 x 3/8-inch angle iron supports bolted to the wall. System maintenance and installation features include typical unions, reducers, and drains with hose end connections.
NOTE SUPPORT STATION PIPING FROM WALL. DRAIN WITH HOSE END CONNECTION STRAINERS WITH BLOW-DOWN VALVE. MAIN BUILDING SHUT OFF VALVE SUPPLY FROM SITE 1" ADJUSTABLE PRESSURE REDUCING VALVE; SEE SCHEDULE. UNIONS (TYP) SUPPLY TO BUILDING REDUCERS (TYP) DRAIN WITH HOSE END CONNECTION ANGLE IRON SUPPORTS BOLTED TO WALL. L3 X 3/8" - 3 REQUIRED. 1-1/2" ADJUSTABLE PRESSURE REDUCING VALVE; SEE SCHEDULE. RPB
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