Maintenance of pipeline including, replacement of valves, maintenance of household tap connections within Zone-3 of Gournagar RD Block under DWS Sub-Division, Kailahahar 2026-27

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-incharge. i) 90 mm OD

ii) 110 mm OD

iii) 140 mm OD

Excavating trenches of required width for pipes, cables etc. including exacavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500 mm (slope-1 in 200)including getting out the excavated soil and 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. and disposing of surplus excavated soil with all required leads as per Chapter - 2 of CPWD specification and direction of the Engineer - in - A) For UPVC pipes in new work In all kinds of soil i) For pipes not exceeding 90 mm dia

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

B) For UPVC pipes in old work In all kinds of soil i) For pipes not exceeding 90 mm OD

ii) For pipes exceeding 90 mm OD but not exceeding 300 mm OD

Providing, fixing and laying rigid UPVC pipes conforming to IS : 4985 jointing with couplers, of same class conforming to IS : 10124 ( Pt-II ) with solvent cement conforming to IS : 14182 including testing of joints complete ( but excluding the cost of specials like bend, tees etc. which will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge. Class - 3 ( working pressure 6.0 kg / cm2) i) 40 mm OD

ii) 50 mm OD

ii) 90 mm OD