Common use of Minimum Compressive Strength Clause in Contracts

Minimum Compressive Strength. Concrete shall be made of materials accepted for the project, of the proportions designated by the Superintending Engineer and in accordance with the requirements hereinafter setforth. The proportions shall be based on 'laboratory tests and shall be such that they will produce durable concrete of satisfactory plasticity and workability and which will attain compressive 'strength specified below or other values that may be stipulated for a particular work using ordinary Portland cement. Mix Minimum cylinder strength requirements 28 days and 7 days optional 0.070.3Kg / cm2 (Ibs. / ▇▇.▇▇. ) Modular Ratio Preliminary Tests Work Test