WB/DKM/Admin/e-NIT-28/2026-27

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m. In ground floor including roof. A. upto 150mm thick.

Labour for taking out old soling edging including removing debris. (a)   Single brick flat soling

Labour for laying Single Brick flat soling including ramming and dreesing bed to proper level and filling joints with powdered earth.

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. a. Depth of excavation not exceeding 1500mm

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made based on the basis of measurement of finished quantity of work. (a) With earth obtained from excavation of foundation

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes.

Lowering any type of Ductile Iron (DI) pipes & specials and laying along trench at any depth as per speclfication and direction of the Engineer-incharge, ( laying over ground. the rates shall be, reduced by 10% and the rates so reduced shall be inclusive of cost of all sorts of holding arrangements] 100mm dia.

Disinfection of water main by filling with water, containing bleaching powder of sufficient quantity capable of maintaining a residual chlirine connection of 10mg/ltr. within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in-charge. [ after successful completion of the process. disposal of water and bacteriological testing of sample of flushed out water from the mains shall be made at no extra cost] 100mm dia

Cutting of C.I./D.I. pipes for fitting with pipes and/or specials of similar or dissimilar materials at the time of laying without damaging any part of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-in-Charge. a) 100mm dia.

Supplying, fitting and fixing of D.I. Mechanical flexible Flange Socket Tailpiece suitable for making flanged connection with the plain barrel of C.I. Spun Pipes (as per IS : 1536) and D.I. Pipes (as per IS : 8329). The Tailpieces to be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated) . The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. 200mm with length 100mm 100mm dia.