UWS Schemes in North Tripura District 2026-27/SH- Extension/Remodelling of PVC/DI pipeline from Circuit House To Dharmapur SB School other allied works under Dharmanagar Municipal Council Area.(Group-I)

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

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

B). For G.I. / C.I. / D.I. pipes in new work a). In all kinds of soil ii). For pipes exceeding 90 mm dia but not exceeding 300 mm dia

i) 90 mm OD

ii) 110 mm OD

iii) 140 mm OD

i) 125 mm dia