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PART 2 - PRODUCTS <br />2.01 MATERIALS <br />A. Materials shall conform to these Specifications and any state or local <br />specification requirements. <br />B. Cement for all cast in place concrete shall be a domestic portland cement <br />(ASTM C -150, Type II) or high early strength portland cement (Type III) free <br />from injurious water soluble salts or alkalies. High early strength cement <br />may only be used, with written approval of the Engineer. Air entraining <br />cements may be used with written approval of the Engineer. Cement <br />brands shall be subject to approval. <br />C. Aggregates: <br />1. Fine aggregate shall consist of washing inert sand conforming to the <br />requirements of ASTM Specification C -33, and the following detailed <br />requirements: <br />Sieve % Passing <br />No. 4 <br />95 -100% <br />16 <br />60 -75 <br />50 <br />13 -30 <br />100 <br />3 -8 <br />Fineness Modulus <br />2.4 -2.6 <br />Organics <br />Organic Plate 2, per ASTM <br />C -40 <br />Silt <br />2.0% maximum <br />Mortar Strength <br />95% minimum as per ASTM <br />C87, Section 10 <br />Soundness <br />8% maximum loss, using <br />magnesium sulfate, <br />subjected to 5 cycles <br />2. Coarse aggregate shall consist of well - graded crushed rock or <br />washing gravel conforming to the requirements of ASTM <br />Specification C -33 and the following detailed requirements: <br />Organics Organic Plate 1, per ASTM <br />C -40 <br />Silt 1.0% maximum <br />Soundness 8% maximum loss, using <br />magnesium sulfate, <br />subjected to 5 cycles <br />3. The following designated sizes* of aggregate shall be the maximum <br />employed in concrete: <br />2 inch for plain concrete <br />1 inch for reinforced sections 10 inch and over in thickness <br />3/4 inch for reinforced sections less than 10 inch in thickness <br />06/06 03300 -5 03-4138.0 <br />