Specifications include, but are not limited to: Concrete: Building Foundation, Concrete Fill, Flat Work, Electrical Conduit Duct Banks, Items not otherwise indicated. Type V cement and meeting ASTM C-150, transit mix, readymixed ASTM C94, fly ash ASTM C618. 1½" max aggregate, meeting ASTC33. Minimum 4000 PSI compressive strength in 28 days, max slump 4" with (as per specifications; 03 30 00-05, Section 2.5 Mix Designs) water to cementitious material ratio 0.40 / 200 YD1. Concrete: Elevated Slabs, Slabs on Grade, Ready-mixed ASTM C94, Type I, II, or V, meeting ASTM C150, transit mix, 1" max aggregate ASTM C330, fly ash ASTM C618, max water to cementitious material 0.52. Minimum 3000 PSI compressive strength in 28 days, max slump 4" (as per specifications; 03 30 00-05, Section 2.5 Mix Designs / 100 YD1.