Roof drain and overflow drain assemblies are installed within a low point roof sump on a cross-laminated timber panel roof system. The drain bodies are supported by support sleeves secured with four anchor bolts each and extended to accommodate the roof insulation. An overflow dam is positioned two inches higher than the primary drain point at the overflow roof drain. Piping connects below the roof assembly.
ROOF DRAIN (RD) SUPPORT SLEEVE LOW POINT OF ROOF SUMP (OVERFLOW DAM 2" HIGHER THAN THIS POINT) OVERFLOW ROOF DRAIN (ORD) 2" OVERFLOW DAM ANCHOR BOLTS TYP 4 EA DRAIN 1 ROOF SYSTEM 1 NOTE 5 3 CLT PANEL ROOF. SEE ARCHITECTURAL EXTEND DRAIN BODY TO ACCOMMODATE ROOF INSULATION. SEE ARCHITECTURAL FOR ROOF INSULATION DETAILS AND THICKNESS ROOF INSULATION 1 3
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