Replacing existing damaged corporation water supply pipe line with new GI Pipe line from corporation water supply distribution to UG tank at GMTD Compound Barik Point Shillong Meghalaya BA

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineerin-Charge. (a) Internal Work- Exposed on wall

Making marking "BSNL" as identification mark with Syenthetic enamal paint on GI water supply pipe line at every 1.5 M interval complete as directed by engineer incharge ( Mesurment consider for 1 No of 6.00 M pipe length)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work 25 mm dia. nominal bore

Providing and fixing G.I. Union in existing G.I. pipe line, cutting and threading the pipe and making long screws including excavation, refilling the earth or cutting of wall and making good the same complete wherever required : 25 mm nominal bore.

Credit for a) Unserviceable G.I.pipe 25mm dia GI pipe