procurement of construction material for toilet block:-1.01 fine aggregate ( natural sand ) conforming to is : 383 -1978 - 4.4 cum 1.02 coarse aggregate ( crushed stone ) 20mm graded conforming to is 383-1979 - 3.7 cum 1.03 coarse aggregate ( crushed stone ) 40mm graded conforming to is 383-1979 - 3.5 cum 1.04 broken stone aggragate 63 to 40mm ( hard core ) - 5 cum 1.05 bricks sub class b old size best locally available ( minimum compressive strength 75 kg / sqcm, water absorption not more than 20% ) - 3500 nos 1.06 integral water proofing compound ( wpc ) make : sika / seco / tata / icc or equeivalent - 3 kg 1.07 glazed ceramic coloured tiles of size 300mm x 300mm x 7-8mm thick make : kajaria / asian / orient bell / h&r johnson / somany - 225 nos 1.08 mild steel tmt bars 10mm dia for reinforcement isi marked - 75 kg 1.09 white cement make : birla / jk - 05 kg 1.10 wood screw ½ ( pkt of 100 ) - 01 pkt 1.11 lime unslacked - 03 kg