<p>PCC-20SCCM: 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, water reducing admixture of complying type A under ASTM C 494, sand of minimum FM 2.2 and 38mm down well graded crushed stone chips (LAA&lt;=35)&nbsp;</p><p>[Using Concrete Mixture Machine and retail rate of Cement]<br>&nbsp;</p>