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DocuSign Envelope ID:D561B1AE-DF34-4907-AD06-AOEB37BBE427 <br /> CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12,2020 <br /> 308 WEST FRANKLIN,CHAPEL HILL,NC <br /> 6. "Lightweight Concrete." <br /> C. Comply with ACI117, "Specifications for Tolerances for Concrete Construction and <br /> Materials." <br /> PART 2 -PRODUCTS <br /> 2.1 FORMWORK <br /> A. Furnish formwork and formwork accessories according to ACI 301 (ACI 301M). <br /> 2.2 STEEL REINFORCEMENT <br /> A. Recycled Content: Provide steel reinforcement with an average recycled content of steel <br /> products so that postconsumer recycled content plus one-half of preconsumer recycled content <br /> is not less than 25 percent. <br /> B. Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (Grade 420), deformed. <br /> C. Plain-Steel Wire: ASTM A 82/A 82M, as drawn. <br /> D. Plain-Steel Welded Wire Reinforcement: ASTM A 185/A 185M, fabricated from as-drawn <br /> steel wire into flat sheets. <br /> E. Deformed-Steel Welded Wire Reinforcement: ASTM A 497/A 497M, flat sheet. <br /> 2.3 CONCRETE MATERIALS <br /> A. Cementitious Material: Use the following cementitious materials, of the same type, brand, and <br /> source throughout Project: <br /> 1. Portland Cement: ASTM C 150, Type I/II <br /> a. Fly Ash: ASTM C 618, Class C or F. <br /> b. Ground Granulated Blast-Furnace Slag: ASTM C 989, Grade 100 or 120. <br /> B. Normal-Weight Aggregate: ASTM C 33,graded. <br /> C. Lightweight Aggregate: ASTM C 330, 3/4-inch(25-mm)nominal maximum aggregate size. <br /> D. Water: ASTM C 94/C 94M. <br /> 2.4 ADMIXTURES <br /> A. Air-Entraining Admixture: ASTM C 260. <br /> MISCELLANEOUS CAST-IN-PLACE CONCRETE 033053 -2 <br />