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8.6. To repair walls, use lumber of such dimension as will allow the finished surfaces on both sides of the wall <br />to be smootri and continuoue. <br />8.7. Posts for porch framing must be SPF 4t/ x 4b' wolmanized lumber, or as spxified in project specifications. <br />8.8. Roof Framing <br />A. <br />B. <br />C. <br />D. <br />E. <br />F. <br />G. <br />H. <br />I. <br />J. <br />K. <br />L. <br />M. <br />N. <br />0. <br />Sufficient bracing must be installed to remove and prevent rooccurrence of swag, and to maintain <br />a tnte snd even plane. <br />Collar beams must be installed on upper 1/3 of cafler pairs, and ridgeboard must be placed on <br />every 3 paus of rafters. <br />Purlins must be installed perpendicular to raRtrs to allow bracing to load bearing waIls and to <br />remove and/or prevent reaccurnence of swag. <br />Load bearing wall mfter supports must be installed along purlins to even roof rafters to one <br />another in such a manner as to provide the decked roof surface to be in a true and even plane. <br />Ceiling joist strong-backs must be installed to support existing 21Y x 4" ceiling joists. The strong- <br />back must be a minimum 2b'x 6`d fastened to 2b'x4b'. Unit is to be set and fastened atong middle <br />of joist span and ends must be fastened at top plate of nearest wall. <br />Maximum allowable spans for cciling joists must be as fo[lows: <br />Size <br />S acin <br />Maximum S an <br />2b' x 6b' <br />16b' o.c. <br />143 4" <br />2d x 6d <br />24d o.c. <br />11310b' <br />2d x 8b <br />16'd o.c. <br />183 9t1 <br />2d x 8b' <br />24b' o.c. <br />153 4b' <br />2d x 10`d <br />16b' o.c. <br />223 2" <br />2'd x lOb' <br />24b' o.c. <br />1831d <br />Ceiling joists must be continuous or may be joined together over a partition to provide a <br />continuous tie across the structure. <br />All damaged or deteriorated rafters must be t+emoved entirely and splicing must not be permitted. <br />Barge raRers must be installed on every gabled roof. (to be same siu as rafters) <br />When mfter tails ar+e to be replaced, they must be cut back flush with exterior siding. New tafter <br />tails must be scabbed on 23 on existing mfter and of same dimension as existing. <br />When a ridgeboard is required, it must be a minimum of 1 b in, thickness and not less in depth <br />t6an the cut end of the mfter it joina. (one siu larger than rafteis to be used) <br />New decking must be'/zb', CDX grede plywood or 5/8b' OSB using spacing clips for tafting <br />spacing up to 24", o.c. allowing at least 1/8" clearance between seams. <br />Repair decking must match existing decking in dimensioa and design. <br />All roof overhangs must be a minimum of 12d, extsnding horizontally out from house wall, to a <br />maximum of 18". <br />Engincer-designad ttvsse.s may be used in lieu of conventional framing. <br />TDHCA - HOME Investment PaiMerships Program <br />Appendix A-04 - TMC Specifications Page 9 of 24 Revised 01/01J2004 <br />