The plumbing transition and scope boundary between a garage contractor and McKinstry scope of work consists of six pressurized 304 stainless steel waste or storm piping lines connecting through a seismic connection provided by others. The assembly includes a backwater valve and transitions to a gravity connection extending five feet outside the building exterior wall to the civil point of connection.
SEE PLANS OR RISER DIAGRAM FOR PIPE SIZES NOTES: 1. 2. MCKINSTRY SCOPE OF WORK BEGINS AT MCKINSTRY POC. PRESSURIZED 304 STAINLESS WASTE OR STORM TOTALING 6 LINES. GRAVITY CONNECTION POC TO CIVIL CONNECTION 5' OUTSIDE OF BUILDING WALL EXTERIOR WALL MCKINSTRY POC AFTER SIESMIC CONNECTION. SEISMIC CONNECTION PROVIDED BY OTHERS. GARAGE CONTRACTOR MCKINSTRY BACKWATER VALVE
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