Re modelling Mtc Extension of UPVC pipeline distribution system and other allied works of Dhaliaijala LI scheme at Sonamura Nagar Panchayat area under WR Sub Division Melaghar during the year 2026 27

Excavating trenches of required width for pipes, cables, etc.including excavation for sockets and 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 layers by ramming watering etc. and disposing of surplus excavated soil with all required leads as per chapter-2 of CPWD Specification & direction of Engineer-in-charge. A)For UPVC pipes in new work a) In All kinds of soil. i)For Pipe , not exceeding 90 mm dia

ii) For Pipe , exceeding 90 mm dia but not exceeding 300 mm dia

Providing and laying different dia rigid UPVC pipes of Working Pressure 4.0 kg/ sq.cm. complete with necessary coupler and solvent cement as per CPWD Specification & direction of Engineer-in-charge. a) 90 mm dia

b)110 mm dia

c) 140 mm dia

d) 160 mm dia

e) 200 mm dia

f) 250 mm dia

g) 315 mm dia

Dismentalling of existing PVC pipe from underground including necessary earth cutting etc.and dismentalled pipes, couplers, tees, etc properly stacking in safe site as per CPWD Specification & direction of Engineer-in-charge. a) Pipes,cables etc exceeding 75 mm dia but not exceeding 315 mm dia.