<p>RCC-17BCCM: Compressive strength, fc = 17 Mpa 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 1.8 and 20mm down well graded crushed picked brick chips (LAA &lt;=38) [Using Concrete Mixture Machine and retail rate of Cement]<br>&nbsp;</p>