Gem Bids For Sand as per IS-2430 (1986) (Reaffirmed 2005) Stone Aggregate 12.5-20mm graded as per IS-383 (2016) Stone Aggregate 40mm graded as per IS-383 (2016) Brick bats/ Stone aggregate 40 to 63 mm Stone Aggregate 63mm -100 mm graded as per IS-383 (2016) RR Stone as per IS-1597 (1992) (Reaffirmed 2002) Quick Setting Compound Liquid water proofing Compound White Cement Lime Bitumen 80/100 Grade PCC Block 400x200x200mm Black Granite Slab 25 mm thick Black Granite Slab 16-18mm thick