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Round 1 Bowling and Amusement 12/09/2024 Paradigm Design <br />ROUGH CARPENTRY 06 1000 - 3 <br />Board of Review. Grade lumber by an agency certified by the ALSC Board of Review to inspect <br />and grade lumber under the rules indicated. <br />1. Factory mark each piece of lumber with grade stamp of grading agency. <br />2. For exposed lumber indicated to receive a stained or natural finish, mark grade stamp on <br />end or back of each piece or omit grade stamp and provide certificates of grade compliance <br />issued by grading agency. <br />3. Dress lumber, S4S, unless otherwise indicated. <br />B. Maximum Moisture Content of Lumber: 15 percent for 2-inch nominal thickness or less; 19 <br />percent for more than 2-inch nominal thickness unless otherwise indicated. <br />2.2 WOOD-PRESERVATIVE-TREATED LUMBER <br />A. Preservative Treatment by Pressure Process: AWPA U1; Use Category UC2 for interior <br />construction not in contact with ground, Use Category UC3b for exterior construction not in <br />contact with ground, and Use Category UC4a for items in contact with ground. <br />1. Preservative Chemicals: Acceptable to authorities having jurisdiction and containing no <br />arsenic or chromium. Do not use inorganic boron (SBX) for sill plates. <br />2. For exposed items indicated to receive a stained or natural finish, chemical formulations <br />shall not require incising, contain colorants, bleed through, or otherwise adversely affect <br />finishes. <br />B. Kiln-dry lumber after treatment to a maximum moisture content of 19 percent. Do not use material <br />that is warped or that does not comply with requirements for untreated material. <br />C. Mark lumber with treatment quality mark of an inspection agency approved by the ALSC Board <br />of Review. <br />1. For exposed lumber indicated to receive a stained or natural finish, mark end or back of <br />each piece or omit marking and provide certificates of treatment compliance issued by <br />inspection agency. <br />D. Application: Treat items indicated on Drawings, and the following: <br />1. Wood cants, nailers, curbs, equipment support bases, blocking, stripping, and similar <br />members in connection with roofing, flashing, vapor barriers, and waterproofing. <br />2. Wood sills, sleepers, blocking, furring, stripping, and similar concealed members in contact <br />with masonry or concrete. <br />3. Wood framing and furring attached directly to the interior of below-grade exterior masonry <br />or concrete walls. <br />4. Wood framing members that are less than 18 inches above the ground in crawlspaces or <br />unexcavated areas. <br />5. Wood floor plates that are installed over concrete slabs-on-grade.