supply of op works stores , supply of op wks stores for constr mtrl at tawang circle : , cement 43 grade opc packed in hdpe bag each 50 kg wt conforming to is 8112-1989 ( make : birla gold/ambuja/ultratech/ acc/jk/dalmia ) , coarse sand free from vegitation , coarse aggregate 20mm graded , coarse aggregate 40mm graded , coarse aggregate 40-63mm graded , stone for rr messonry less than 6 , stone boulders 6 to 9 , mild steel bars of size 6 to 8mm dia conforming to is 432 ( part i ) 1982 ( make : tata/sail/jsw ) , mild steel bars of size 10mm and above dia conforming to is 432 ( part i ) 1982 ( make : tata/sail/jsw ) , water proofing compound conforming to is 2645-2003 . make : pidilite/ dr fixit/fevicol , bricks sub class b , brick bats , pvc pipe 110 mm dia each 3m long ( make : prince / finolex / supreme ) , pvc pipe 75mm dia each 3 . 00mtr length ( make : prince / finolex / supreme ) , pvc cowl 75mm dia ( make : prince / finolex / supreme ) , ms binding wire , pvc bend 110 mm dia ( make : prince / finolex /supreme ) , pvc socket 110 mm dia ( make : prince / finolex /supreme ) , gi binding wire : make ( tata/ sail/ jsw ) , quick setting compound ( make: pidilite / fevicol/quick fix )