<p>RCC-20SCBP: Compressive strength, f'c=20 MPa at 28 days on standard cylinders, cement conforming to BDS EN 197-1:2003 CEM II/A-L/M/V/W 42.5N, sand of minimum FM 2.2 and 20mm down well graded crushed stone chips (LAA&lt;=35). water reducing admixture of complying type A under ASTM C 494<br>[Using Batching Plant, Transit Mixer, Concrete Pump and bulk rate of Cement]</p>