tender for drain construction work from the house of mo. wajidpur budhu to the drain - e/w excavation in foundaton in ordinary soil as per s.i. no-251 2 p/l c.c. in 1:6:12 cement,f/sand & 40 mm gauge brick ballast as per s.i.no-273. 3 m-150 b/work in 1:4 cement & c/sand mortar as per s.i.no- 305(b) 4 2.5cm.(1) thick damp proof coarse with cement concerete consiting of one part cement 1.5 parts approved coarse sand and 3 parts approved 13 mm.(1.5) graded stone grit and including water proofing materials as ordered by the engineer-in charge in the proportion as specified by the manufacturers.as per sor item no. 361 5 12 mm thick plaster with cement mortar in proportion of 1:2 cement and fine sand of 1.25 f.m. as per sor item no. 580 6 r.c.c. work in 1:2:4 cement, c/sand &20 mm gauge stone grit etcas per s.i.no-283 7 mild steel or iron in plain work such as reinforced concrete or reinforced brick work (when not included in overall rates) brought to required shape as necessary including bending for proper completion of steel its wastage bend hooks and authorized overlapping shall be measured upto floor two level.as per si no.504(6mm to 32 mm tor bar)