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ROOFING REPLACEMENT, RECOVER AND REPAIR PROJECT PAGE 2 <br />INDIAN RIVER COUNTY - JAIL COMPLEX SECTION 061000 <br />JANUARY 4, 2018 ROUGH CARPENTRY <br />2.2 WOOD -PRESERVATIVE -TREATED LUMBER <br />A. Preservative Treatment by Pressure Process: AWPA U1; Use Category, UC2 for <br />interior construction not in contact with the ground, Use Category UC3b for exterior <br />construction not in contact with the ground, and Use Category UC4a for items in <br />contact with the ground. <br />1. Preservative Chemicals:. Acceptable to authorities having jurisdiction and <br />containing no arsenic or chromium. <br />B. Kiln -dry lumber after treatment to a maximum moisture content of 19 percent. Do not <br />use material that is warped or that does not comply with requirements for untreated <br />material. <br />C. Mark lumber with treatment quality mark of an inspection agency approved by the <br />ALSC Board of Review. <br />D. Application: Treat all rough carpentry unless otherwise indicated. <br />E. General: Provide miscellaneous lumber indicated and lumber for support or <br />attachment of other construction, including the following: <br />1. Blocking. <br />2. Nailers. <br />F. For items of dimension lumber size, provide Construction or No. 2 grade lumber of any <br />species. <br />G. For concealed boards, provide lumber with 15 percent maximum moisture content and ' <br />any of the following species and grades: <br />1. Mixed southern pine; No. 2 grade; SPIB. <br />2. Eastern softwoods; No. 2 Common grade; NeLMA. <br />3. Northern species; No. 2 Common grade; NLGA. <br />4.. Western woods; Construction or No. 2 Common grade; WCLIB or WWPA. <br />2.3 PLYWOOD <br />A. Equipment Backing Panels: Plywood, DOC PS 1, Exterior, A -C in thickness indicated <br />or, if not indicated. Match existing thickness. <br />2.4 FASTENERS <br />A. General: Provide fasteners of size and type indicated. <br />1. Where rough carpentry is exposed to weather, in ground contact, pressure - <br />preservative treated, or in area of high relative humidity, provide fasteners of <br />Type 304 stainless steel. <br />