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� <br /> 1. Install continuous horizontal bIocking raw at mid-height of singte-story partitions <br /> ' over 8 feet high using 2-inch thick members of same width as wall or partitions. <br /> C. Frame openings with multiple studs and headers. Install nailed header members of thickness <br /> � aqual to width of studs. Set headers on edge and support on jamb studs. <br /> 1. For nonbearing partitions, install double;jamb studs and headers not less than 4 <br /> inches deep for openings 3 feet and less in width,and not less than 6 inchas deep for <br /> � wider openings. . <br /> 2. For load-bearing partitions,install double jamb studs for ogenings 6 feet and less in <br /> width,and triple-jamb studs for wider openings. Install headers of depth shown,or <br /> ' if not shown,as recommended by N.F.P.A. "Manual for Ho�se Framing." <br /> D. Install diagonal bracing in stud framing of exterior walls, except as otherwise indicated. <br /> Brace both walls at each extemal corner,fuil story height,at a 45 degrree angle,using either <br /> � a let-in 1 by 4 or 2 by 4 blocking or metal diagonal bracing. Omit bracing where following <br /> iypes of sheathing are indicated. <br /> ' 1. Piywood shea.thir�g or carnar bracing,4-feet-wide panels verticaIly. <br /> E. Ceiling Joists: Install ceiling joists with erown up and to comply with requirements specified <br /> above for floor joists. Face nail to ends of parallel rafters <br /> ' I. Where principal ceiling joists are at right angles to rafters,fi�me as indicated with <br /> additional short joists from wall plate to first joist;nail to ends of rafters and to top <br /> � plate and nail to long joists or anchor with framing anchors or metai straps, install <br /> 1 by 8 or 2 by 4 stringers spaced 4 feet o.c.crosswise over grincipal eeiling,joists. <br /> F. Install collar beams(ties)as shown,or if not shawn,install I-inch by 6-inch boards between <br /> � every third pair of rafters. <br /> G. Install special framing as shown for eaves,overhangs,dormers and similar conditions,if any. <br /> rH. Where built-up beams or girders of nominal 2-inch dimension lumber on edge aze shown, <br /> fasten together with 2 rows of 20d nails spaced not less than 3Z inches o.c. Locate one row <br /> near top edge atid other near bottom edge. Locate end joints in members over supports;for <br /> , continuous members,stagger ends at quarter points between supports. <br /> I. InstalI wood posts using metal anchoring and attachment devices indica#ed. <br /> , J. Seal ends of beams and posts exposed to wea.ther with a water-repelleet preservative. <br /> 3,8 AIIi INFILTRATION BARRIER <br /> � A. Cover sheathing with air infiItration barrier as follows: <br /> 1. Apply plastic sheet to comply with manufacturer's printed directions. <br /> � END OF SECTION 06100 <br /> 1 <br /> 1 <br /> 1 <br /> RUUGH CARPENTRY Page 7 of 7 <br /> r <br />