supply of op works stores , supply of op wks stores for constr mtrl at damteng 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 ) , coarse sand free from vegetation , coarse aggregate 20mm graded , coarse aggregate 40mm graded , coarse aggregate 40-63mm graded , stone for rr masonary less than 6 , 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 ) , mild steel bars of size 10mm and above dia conforming to is 432 ( part i ) 1982 ( make : tata/sail/jsw ) , glass dividing strips 30 x 4mm ( make : prayag/ saint gobain/ modi guard ) , ms binding wire