supply of op works store , supply of op wks stores for constr mtrl at lgg circle : , cement 43 grade opc packed in hdpe bag each 50 kg wt conform to is 8112-1989 ( make : birla gold/ambuja/ultratech/acc/jk/ dalmia ) , stone for rr masonary less than 6 , coarse aggregate 20mm graded , coarse aggregate 40mm graded , coarse aggregate 40-63mm graded , coarse sand free from vegetation , water proofing compound conform to is 2645-2003 . ( make : pidilite/ dr fixit/ fevicol ) , mild steel bars of size 6 to 8mm dia conforming to is 432 ( part i ) 1982 ( make : tata/sail/jsw ) , pvc pipe 110 mm dia 3 m long . ( make : prince /finolex/supreme ) . , pvc socket 110 mm dia ( make : prince / finolex /supreme ) . , pvc bend 110 mm dia each ( make : prince / finolex /supreme ) . , pvc vent pipe 75mm dia 3m long ( make : prince / finolex /supreme ) . , bricks sub class b . , brick bats . , gi binding wire : make ( tata/ sail/ jsw ) , mild steel bars of size 10mm and above dia conforming to is 432 ( part i ) 1982 ( make : tata/sail/jsw ) , ms binding wire , pvc cowl 75mm dia ( make : prince / finolex /supreme ) .