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Cement." Types I, II, or III cement may be used provided the C3A content <br />does not exceed 8 percent. <br />B. Aggregates: ASTM C 33, "Standard Specification for Concrete <br />Aggregates." <br />C. Water: Clean, potable and free from injurious amounts of oils, acids, <br />alkalis, organic materials, or other substances that may be deleterious to <br />concrete or steel. <br />D. Admixtures: ASTM C 494, "Standard Specification for Chemical <br />Admixtures for Concrete." <br />E. Mild Steel Reinforcement: ASTM A 615, "Standard Specification for <br />Deformed and Plain Billet -Steel Bars for Concrete Reinforcement," Grade 60. <br />F. Wire Spiral Ties: ASTM A 82 "Standard Specification for Steel Wire, <br />Plain, for Concrete Reinforcement," smooth or deformed. <br />G. Prestressing Strand: ASTM A 416, "Standard Specification for Steel <br />Strand, Uncoated Seven -Wire, for Prestressed Concrete." <br />H. Corrugated Metal Duct: Galvanized corrugated steel interlocked duct, <br />mortar tight, and free from grease, paint, or other substances which could <br />interfere with proper bond of concrete or grout. <br />I. Jet Pipes: As shown on the drawings or as detailed by the pile <br />manufacturer. Details and material shall be shown on the shop drawings and <br />approved by the Engineer. <br />J. Driving Tips: ASTM A 36 "Standard Specification for Structural <br />Steel," ungalvanized bearing plate and HP stinger tip. Deformed bar anchors <br />shall comply with ASTM A 496. Welding procedures shall conform to AWS D1.4 <br />and AWS D1.1. Steel Points: ASTM A 27, "Standard Specification for Mild to <br />TS-20 <br />RJOWMISLMNY ISLESITECHSPECS <br />