RMtc of RWS ARWS NRDWP JJM schemes SH Repair of pipelines allied works extension and replacement of pump motor starters etc for water supply schemes at Bishnupur Garifa Manubankul Ludhua Chatakchari and Sabroom VC under Rupaichari RD Block 2026-27.

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 - charge. A) For UPVC pipes in new work a) In all kinds of soil i) For pipes not exceeding 90 mm dia.

i) 40 mm OD

ii) 50 mm OD

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete as per specification and direction of the Engineer - in - charge (cost of earth work and fittings will be paid separately). i) 15 mm dia.

i) 15 mm dia. nominal bore.

ii) 40 mm dia. nominal bore.

Providing and fixing G.I. full way valve as per chapter 20 of CPWD specification and direction of the Engineer-in-charge. i) 50 mm dia.