GENERAL SPECIFICATIONS FOR REHABILITATION AND …

Apr 21, 2011 · 1. To be 1” x 3” wood (#3 grade) or standard metal bridging and installed at a maximum spacing of 8’0”. 6.I. RAFTERS. 1. New - To be spaced a maximum of 24” o.c. and to be notched to fit exterior wall plates as required. Double rafters are to be used at roof dormers and openings, headers and trimmers shall be supported with metal hangers. ................
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