Municipal Administration Department Tender

Laying Strom Water Drainage lines in ward.10;Extra cost for 0.1m additional depth

Laying Strom Water Drainage lines in ward.10;Construction of sewer circular conical manhole as per type design using flyash Bricks of size 290 x 225 x 140 mm having minimum Crushing strength 75 Kgs Per Sqm as per IS:12894-1990 - CLASS - 7.5 using Sulphete resisting cement in CM (1:6) prop; including CC (1:4:8) bed for foundation and of M15 (1:2.5:5) prop. using 20mm HG metal for benching and channels, inside plastering with 20mm thick using Sulphete resisting cement in CM (1:3) prop; and outside plastering with 20mm thick using OPC in CM (1:3) prop; the foundation concrete in CC (1:4:8) prop. using 40mm nominal size hard broken granite stone and supporting incoming pipes with concrete block / masonary wherever necessary including finishing the gap with CM (1:3) prop. on both the sides including excavating pits upto required depth in all types of soils and supply and fixing of 560mm dia manhole frame and cover (HD-20) and PVC encapsulated steps including cost & conveyance of all material, labour and all other incidental and operational charges etc., complete.

Laying Strom Water Drainage lines in ward.10;Supply, Lowering and laying in ready made trench true to alignment and gradient, jointing, and testing of stone ware pipes including cost of jointing material such as cement mortar (1:1) proportion and Spun yarn including cost and conveyance of pipe. (Reference to specifications BIS No. 6530/72)