Specifications include, but are not limited to: A. Portland Cement Concrete shall be Class AA (4000 psi), Class A (3000 psi), Class B (2500 psi), conforming to the applicable requirements of MAG Section 725. B. Grout shall consist of 1 part cement and 3 parts by volume of aggregate. The portland cement shall be Type II as specified in MAG Section 725 and the aggregate shall be 2 parts sand and 1 part gravel passing a 3/8 inch square mesh screen. The quality of the sand and gravel shall be as specified in MAG Section 701. C. Controlled low strength material shall be ½ sack CLSM (70 psi), 1 sack CLSM (150 psi), or 1½ sack CLSM (425 psi) conforming to the requirements of MAG Section 728. D. When given FIVE (5) CALENDAR DAYS’ notice, the vendor shall supply and deliver all materials on orders at the designated locations, as specified.