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ameO <br /> C. Flowable fill shall be manufactured by a ready-mix concrete producer with a minimum of 1 year <br /> experience in the production of similar products. <br /> PART 2: PRODUCTS <br /> 2.01 MATERIALS <br /> A. Portland Cement,ASTM C 150,Type II. <br /> B. Coarse Aggregate, ASTM C 33, except that clay and shale particles shall not exceed I percent of <br /> total aggregate. <br /> C. Fine Aggregate,ASTM C 33,washed natural sand. <br /> D. Flowable Fill containing, at a minimum, cementitious materials and water. The mixture may also <br /> contain fine aggregate or filler, and/or chemical admixtures in any proportions such that the final <br /> product meets the strength, flow consistency and shrinkage requirements included in this <br /> specification,as approved by the CERTIFYING ENGINEER. <br /> 1. Portland Cement:ASTM C 150,Type II. <br /> 2. Mixing Water <br /> 3. Air-Entraining Admixture:ASTM C260. <br /> 4. Chemical Admixtures:ASTM C494. <br /> 5. Aggregate:ASTM C33. <br /> 2.02 MIXES <br /> A. Mix Designs: <br /> Concrete mix design shall be designed by an independent testing laboratory. <br /> B. Cast-In-Place Concrete: <br /> 1. Cast-in-place concrete with reinforcing steel shall have a minimum 28-day compressive <br /> strength of 4,000 psi. <br /> 2. Maximum Aggregate size of l-inch. <br /> 3. Placement slump between 2-inches and 5-inches. <br /> 4. Air entrainment of 5%to 8%. <br /> C. Flowable Fill: <br /> 1. Minimum strength of 300 psi,ASTM C 39,at 28 days after placement. <br /> Section 03300 Page 2 of 5 May 9,2012 <br /> Cast-In-Place Concrete Revision 1 <br />