Running and Mtc. of UWS Scheme/ Repairing and Mtc. of existing C.I, D.I and UPVC pipe line leakages, block washing, sluice valve etc. in/c some other allied works under Sonamura Nagar Panchayat Area within the jurisdiction of DWS Sub-

Excavating trenches of required width for pipes, cables etc. in/c excavation for sockets and dressing of sides, where required ramming of bottom, depth up to 1500 mm ( Slope 1 in 200) in/c getting out the excavated soil and backfilling of soil as required after laying of pipe line, in layer not exceeding 200mm in depth in/c consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil as directed with all required lead as per Chapter-2 of CPWD specification & direction of the Engineer-in-Charge. A). For UPVC pipes in new work. a). In all kinds of soil. i). For pipes not exceeding 90mm dia

ii). For pipes exceeding 90mm dia but not exceeding 300mm dia.

Providing fixing and laying rigid UPVC pipe conforming to IS:4985 jointing with coupler of same class conforming to IS: 10124 (Pt.II) with solvent cement conforming to IS: 14182 in/c testing of joint complete but ex/c the cost of specials like bend,tees, etc. which will be paid seperately as per CPWD specification & direction of the Engg.-in-charge. (A) Class-3 (Working Pressure 6.0kg/cm2). (i) 40mm OD

ii). 50mm OD

iii). 90mm OD

iv). 110mm OD

v). 140mm OD

Charges for repairing of leakage in UPVC / HDPE pipe line with PVC coupler & solvent cement etc. including necessary earth excavation, backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming, watering etc. complete as per specification & direction of the Engineer-in charge. i). 90 mm dia

ii). 110mm dia

iii). 140mm dia