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fi_- INDIAN RIVER COUNTY — NORTH COUNTY REGIONAL PARK PAGE 2 AQUATIC FACILITY ROOFING REPLACEMENT SECTION 061000 JUNE 7, 2019 ROUGH CARPENTRY B. Maximum Moisture Content of Lumber: 15 percent for 2 -inch nominal (38 -mm actual) thickness or less, 19 percent for more than 2 -inch nominal (38 -mm actual) thickness unless otherwise indicated. 2.2 WOOD -PRESERVATIVE -TREATED LUMBER A. Preservative Treatment by Pressure Process: AWPA U1; Use Category UC2 for interior construction not in contact with the ground, Use Category UC3b for exterior construction not in contact with the ground, and Use Category UC4a for items in contact with the ground. 1. Preservative Chemicals: Acceptable to authorities having jurisdiction and containing no arsenic or chromium. B. Kiln -dry lumber after treatment to a maximum moisture content of 19 percent. Do not use material that is warped or that does not comply with requirements for untreated material. C. Mark lumber with treatment quality mark of an inspection agency approved by the ALSC Board of Review. D. Application: Treat all rough carpentry unless otherwise indicated. E. General: Provide miscellaneous lumber indicated and lumber for support or attachment of other construction, including the following: 1. Blocking. 2. Nailers. F. For items of dimension lumber size, provide Construction or No. 2 grade lumber of any species. G. For concealed boards, provide lumber with 15 percent maximum moisture content and any of the following species and grades: 1. Mixed southern pine; No. 2 grade; SPIE. 2. Eastern softwoods; No. 2 Common grade; NeLMA. 3. Northern species; No. 2 Common grade; NLGA. 4. Western woods; Construction or No. 2 Common grade; WCLIB or WWPA. 2.3 PLYWOOD A. Equipment Backing Panels: Plywood, DOC PS 1, Exterior, A -C in thickness indicated or, if not indicated. Match existing thickness. 2.4 FASTENERS A. General: Provide fasteners of size and type indicated.