DOBRIYALSAR water supply scheme

Providing of all materials, carting from site store to site of work, laying & jointing of G.I. screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc.) in trenches with its cutting, threading and testing of pipe line etc complete.

15mm dia

20mm dia

25mm dia

32mm dia

40mm dia

50mm dia

65mm dia

80mm dia

100mm 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

Soft rock

25mm dia

32mm dia

40mm dia

50mm dia

100mm dia

High head cast iron air valves

20mm (T.P.-10 kg/Sqcm)

Supply of all materials, labours, T&P etc and construct gate valve chamber as per type design complete.

Supply of all materials, labours, T&P etc and construct air valve chamber as per type design complete.

RR stone masonary with 1:6 cement and sand mortar nearby sources and along the pipe line for proper completion of work.

RR stone masonary laid in dry for proper completion of work 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).

Construction of 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.

RR stone masonary with 1:4 cement and sand mortar nearby sources and along the pipe line for proper completion of work.

Supply of all materials, labours, T&P etc and install a sign board