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1 <br />DIVISION 6 <br />WOOD AND PLASTICS <br />06110 - ROUGH CARPENTRY <br />1. Wood Lintels and Headers 1200f #1 construction or better <br />2. Joist 1200f #2 construction or better <br />3. Studs and Blocking 800f #3 construction or better <br />4. Beams 1500f #1 construction or better -- <br />5. Post, structural mullions 1200f Select structural <br />and stringers <br />C. Moisture Content: The moisture content of lumber shall conform to the <br />seasoning requirements of grading rules of the Inspection Bureau of <br />n under which it is urchased, except that doors, frames, sash, <br />Association P <br />window frames and other finish work, the moisture content shall not exceed <br />12% and for common boards for sheathing, sub -flooring work of like nature, <br />with moisture content shall not exceed 16%. <br />D. <br />Wood materials built into or in contact with exterior masonry or concrete, <br />or a part of deck construction, or where indicated on the plans, shall be <br />pressure treated with Wolman Salts or equal with not less than 0.35 lbs. <br />of salt injected for each cubic foot of wood. Provide manufacturer's <br />certification that wood so used has been treated as specified. <br />E. <br />Where fire -retardant treated lumber or plywood is indicated, comply with <br />AWPC C-208 to achieve a flame spread rating under 25 per ASTM E84. Use <br />treatment which will not bleed through or adversely affect bond of any <br />applied finish. Provide UL label or certificate on each piece of fire - <br />retardant treated lumber and plywood. <br />F. <br />Laminated headers, beams and floor joist: Laminated veneer lumber members <br />and floor truss joist as manufactured by Trus Joist Corp. Material to be <br />accepted by FHA, BOCA and ICBO. <br />G. <br />Plywood shall conform to product standard P.S. 1-74 and bear the <br />appropriate American Plywood Association grade trademark. <br />ood withany <br />face or edge permanently exposed tothe weatherbe exterior <br />be interior grade with exterior glue. Grade and <br />type. All other shall <br />type. <br />type as follows: <br />1. Subfloor sheathing: 3/4" tongue and groove, APA C-0 structural <br />plywood with exterior glue. <br />a. Approved substitution: APA rated oriented strand board Sturd-I- <br />Floor (Oxbord) for 24" on center application. Conform to N.U.D. <br />material release 838c. <br />2. Roof sheathing: 5/8" APA C-D structural plywood with exterior glue. <br />a. Approved substitution: APA rated oriented strand sheathing board <br />(Oxbord) for 24" on center application. Conform to H.U.D. <br />material release 838c. <br />5264 SECTION 06110 -2- <br />1 <br />