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DocuSign Envelope ID:A9CF8A9E-4CDB-4BB9-A678-D4AD80CD1393 <br /> 5thWall Building Diagnostics Consultants Roof Replacement <br /> Central Recreation Center <br /> Hillsborough,NC <br /> August 2016 <br /> 2.01 Materials <br /> A. Treated Wood: Shall be No. 2 or better southern yellow pine, kiln-dried to a moisture <br /> content of not more than 15 percent. Shall be sound, thoroughly seasoned, dressed to <br /> nominal finish dimension, and free of warpage, cupping, and bowing. All nailers and other <br /> blocking associated with the roofing installation shall be pressure treated with 0.40 pcf <br /> retention of alkaline copper quaternary (ACQ-C)and shall conform to AWPA Standard C-2 <br /> for ground contact. Asphaltic or creosote preservatives shall not be used. The presence of <br /> AWPA quality mark LP-22 on each piece is required. Where full penetration of ACQ is not <br /> evident, field cuts shall be coated in accordance with AWPA standard M-4. Dimensions <br /> shall be deteinrined by job conditions. Site-sawn ends shall be treated with one coat of <br /> preservative treatment. <br /> B. Plywood: Shall be structural 1 rated, pressure-treated in accordance with AWPA C9 with <br /> .40 pcf retention of alkaline copper quaternary (ACQ-C) as required for ground contact. <br /> Plywood shall be stamped APA RATED SHEATHING grade C-C or better, and shall be <br /> manufactured with exterior glue (exposure 1). Plywood shall be dried after treatment to a <br /> moisture content of 18 percent or less. Plywood shall be 5/8 inch in thickness, or as <br /> otherwise noted. <br /> 2.02 Accessories <br /> A. Nails shall be ring shank 16-penny,cement coated(untreated wood);use ring shank stainless <br /> steel nails for treated wood locations. <br /> B. Fasteners (Screws) shall be stainless steel and meet ASTM A153; connectors shall meet <br /> ASTM A653 Class G 185. <br /> C. Bolts shall be stainless steel meeting ASTM A153. <br /> D. Masonry anchors shall be 1/4 inch expanding anchor-type having stainless steel nail or <br /> approved equal; length shall be as required to provide a minimum of 1-1/2 inch embedment <br /> in masonry. Plastic or nylon anchors shall not be allowed. <br /> E. Concrete anchors shall be a one-piece, pre-expanded 1/4 inch diameter, flat head anchor, <br /> corrosion protected with zinc with yellow dichromate and shall be made of high grade <br /> tempered steel having a shear strength greater than grade 8 steel and have a tensile <br /> strength of not less than 2050 psi. <br /> PART 3 EXECUTION <br /> 3.01 Inspection <br /> A. Verify that existing construction is sound and dry so as to adequately support new <br /> components. <br /> B. Verify that damaged or deteriorated portions of existing wood nailers and blocking have <br /> been removed. Damaged or deteriorated materials shall be removed in full, continuous <br /> lengths. <br /> 16-171 Rough Carpentry <br /> 061000-3 <br />