TPO Details:D3.7.8-3 Water & Drainage (Clamping Spun Copper Drain)
TPO Details:D3.7.8-3 Water & Drainage (Clamping Spun Copper Drain)
1 WORK INCLUDED
(1) Gypsum Board: Required when insulation is too thin to span flutes of steel decking (See RGC Guarantee Standard A2.5) or when required as thermal barrier by design authority.
(2) Vapor Retarder: If required by design authority.
(3) Insulation: Mechanically attached where deck type permits or loose laid for ballasted roof assemblies. Installed according to RGC Guarantee Standard A4.3. See Section 2.2 for accepted materials.
(4) Single Ply Membrane: Installed according to manufacturer’s instructions and RGC Guarantee Standards Section 2.1.1 and Section 2.1.3.
(5) Mastic: Compatible mastic or sealant.
(6) Membrane Flashing: Adhered according to manufacturer’s printed specifications using proprietary adhesive. Thermoplastic membrane may be welded or chemically bonded (See Section 6.2) Thermoset membrane may be joined using uncured tape or proprietary adhesive (See Section 6.1).
2 RELATED WORK BY OTHERS
(A) Acceptable Deck
(B) Clamping Copper Drain: Mechanically fastened and coated with adhesive as required by manufacturer. Installed over compatible sealant.
NOTE:
- Refer to RGC Guarantee Standards for additional requirements
- Leader size is determined by design authority using the calculation found in the BC Building Code at Appendix P.7.4.10 and Section 7.4.10.11 (Section 7.4.10.10 for gutters) in conjunction with the 15 minute rainfall value from the National Building Code, Appendix C.