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ROOFING REPLACEMENT, RECOVER AND REPAIR PROJECT PAGE 3 <br />INDIAN RIVER COUNTY — JAIL COMPLEX SECTION 035216 <br />JANUARY 4, 2018 LIGHTWEIGHT CONCRETE <br />with ASTM C 869/C 869M, and the minimum amount of water necessary' to produce a <br />workable mix: <br />1. Manufacturers: Subject to compliance with requirements, provide products by <br />one of the following: <br />a. Celcore Incorporated. <br />b. Elastizell Corporation of America. <br />C. Siplast, Inc. <br />2. As -Cast Unit Weight: 34 to 42 Ib/cu. ft. (545 to 673 kg/cu. m) at point of <br />placement, when tested according to ASTM C 138/C 138M. <br />3. Oven -Dry Unit Weight: 26 to 32 Ib/cu. ft. (416 to 513 kg/cu. m), when tested <br />according'to ASTM C 495. <br />4. Compressive Strength: Minimum 190 psi (1310 kPa), when tested according to <br />ASTM C 495. <br />5. As -Cast Unit Weight: 40 to 48 Ib/cu. ft. (641 to 770 kg/cu. m) at point of <br />placement, when tested according to ASTM C 138/C 138M. <br />6. Oven -Dry Unit Weight: 32 to 40 Ib/cu. ft. (513 to 641 kg/cu. m), when tested <br />according to ASTM C 495. <br />T. Compressive Strength: Minimum 250 psi (1723 kPa), when tested according to <br />ASTM C 495. <br />2.3 MATERIALS <br />A. Cementitious Material: Portland cement, ASTM C 150/C 150M, Type I, Type II, <br />Type III. <br />B. Water: Clean, potable. <br />C. Joint Filler: ASTM C 612, Class 2, glass -fiber type; compressing to one-half thickness <br />under a load of 25 psi (172 kPa). <br />D. Steel Wire Mesh: Cold -drawn steel wire, galvanized, 0.041 -inch (1.04 -mm) diameter, <br />woven into 2 -inch (50 -mm) hexagonal mesh, and reinforced with a longitudinal 0.062- <br />inch- (1.57 -mm-) diameter wire spaced 3 inches (75 mm) apart. <br />E. Galvanized Plain -Steel Welded Wire Reinforcement: ASTM A 185/A 185M, 2 by 2 <br />inches (50 by 50 mm), W0.5 by W0.5, fabricated from galvanized -steel wire into flat <br />sheets. <br />F. Molded -Polystyrene Insulation Board: ASTM C 578, Type I, 0.90-Ib/cu. ft. (14.4- <br />kg/cu. m) minimum density. - <br />1 <br />ensity. <br />1. Provide units with manufacturer's standard keying slots or holes of 3 to 4 percent <br />of board's gross surface area. <br />