Repairing and Maintenance of RCC pipe line at Gazipur DTW

Brick work with 1st class bricks in cement mortar (1:6) In foundation and plinth

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints or roughening of concrete face including throating, nosing and drip course as necessary at ground floor. 15 mm thick plaster (1:6)

Neat cement punning about 1.5 mm. thick in wall dado, floor, drain, door and window sill etc. complete.

Removing of Chokage due to sludge, mud, sand or any other forign materials deposition from the underground 450 / 300 /225/ 150 mm dia. R.C.C. Pipe Line with split bamboo, wire brush, coir rope etc. along with suitable cleaning agent as necessary as per direction of E.!.C. (This item includes cost of earth cutting & back filling of trenches and required materials for cleaning but excluding the cost for taking out 1 full length of RCC Pipe by dismantling of 2 nos. of Collars & refitting the RCC pipe with new two nos. collar). 225 mm dia. RCC Pipe

Repairing of leakages in collar joints of R.C.C. Pipe line by opening the joints fully by chipping out the old morter, cleaning the pipe recesses and collar properly, and thereafter positioning and levelling the pipes and collar, filling the annual spaces of joints with jute braiding dipped in cement slurry and grouting with (1:2) cement morter mixed with approved quality water proofing compound (5% by wt. of cement) and curing all complete as per direction of Engineer-in-Charge. 225 mm dia. R.C.C. Pipe

Additional cost of carriage of constructional materials for construction @ 3% of (i.e It 1 to 05)

Add GST@ 18.00%(On it no 1 to 6)

Add cess@ 1.00% (On It No 1 to 7)