A.R. and M.O to building in west campus maintenance area at IIT Delhi during the year 2025-2026

1)Earth work

1.1)Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

1.1.1)All kinds of soil

1.1.1.1) Pipes, cables etc, not exceeding 80 mm dia.

2) Water Supply

2.1) Providing and fixing G.I. pipes complete with G.I. fittings and clamps, including cutting and making good the walls etc. Internal work –Exposed on wall.

2.1.1) 15 mm dia nominal bore

2.2) Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. (External work)

2.2.1) 25 mm dia nominal bore

2.3) Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

2.3.1) 25 mm nominal bore

2.4) Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality :

2.4.1) 15 mm diameter pipe

2.4.2) 25 mm diameter pipe

2.5) Providing and filling sand of grading zone V or coarser grade, allround the G.I. pipes in external work

2.5.1) 25 mm diameter pipe

2.6) Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) :

2.6.1) 15 mm nominal bore

2.6.2) 25 mm nominal bore

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