A roof drain is integrated into the waterproofing membrane and roof structure. Piping connects to the drain assembly and is supported as tight as possible to the structure using typical pipe hangers with felt lining. All waterproofing membranes tie directly into the drain flashing flange to ensure a watertight transition at the roof penetration.
NOTES: WATER PROOFING MEMBRANE SUPPORT TO STRUCTURE, TYPICAL SUPPORT PIPING AS TIGHT AS POSSIBLE TO STRUCTURE, TYPICAL PIPE HANGER WITH FELT LINING, TYPICAL
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