Construction of PETDI water supply scheme of Block MORI District Uttarkashi

Amount

Distribution System and Gravity mains Supply , laying & jointing of G.I.(medum) screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc complete .) in trenches with its cutting, threading and testing of pipe line etc complete.

25mm dia

32mm dia

Excavation of earth for pipe line in following strata lift upto 1.5m. Lead upto 30m. Including refilling,watering,ramming of excavated earth into the trenches and removal of surplus earth upto adistance of 60m. Fromtrenches including supply of labour,T&P.etc complete.Assuming that 90%pipe line is laid in trenches ,it is estimated that 75% exavation will be in soil mixed with shingle,bajri&boulders and rest 25%will be in soft rock.

Soil mixed with boulder and bajri

Medium rock

Supply and fixing of the following fittings including cartage of materials, labours, T&P etc complete. (GM valves (Class-II) as per I S 788/1971)

25mm dia

Supply of all materials, labours, T&P etc and construct wheel valve chamber as per type design complete. 0.60x0.60x0.75

Excavation in ordinary soil mixed with shingle, boulder requiring special T&P like pickaxe, crowbar etc. for foundation including lift upto 1.5 m. and Lead upto 30 m. Including refilling, watering, ramming of excavated earth into the trenches or space between the sides of foundation trenches or in to the plinth and removal and disposal of surplus earth upto a distance of 60 m. from trenches nearby sources, along the pipe line .

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

Random Rubble stone masonry in 1:6 with cement and sand mortar including supply of all materials, labour, T&P etc. complete.

Random Rubble stone masonry laid dry including supply of all materials, labour, T&P etc. complete.

Construction of R.C.C. roughening filter cum screening chamber near by tapping point of under existing water supply scheme, for collection of water including supply of all materials, labour , T&P etc.(2x1)mtr size

Construction of Steel Intake chamber having (1.0mx1.0mx1.5m) size at tapping point of under existing water supply scheme, for collection of water including supply of all materials, labour , T&P etc.complete

Construction of cross wall including supply of all materials , labour ,T&P ect complete as per direction of engineer incharge

KAMLESH RAWAT

TREPAN SINGH CHAUHAN