Pokhari Urban Water Supply Scheme under Chamoli District

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 Boulders & Bajri

Soft Rock

Providing of all materials, Carting from site store to site of work, Lowering into trenches with true to alignment, Laying of MSERW Pipes grade Yst 210, confirming to IS: 1978 - 1982, jointing by electric welding process with proper grade of eletrodes suitable for jointing of water supply pipe lines (Ador, L&T or equivalent electrodes) by cutting of pipes and making required bends by welding, completion of work with testing of pipe line etc complete. 125mm dia 7.1 mm thick

Providing & Fixing D.I. D/F Sluice Valves Confirming to IS: 14846 - 2000 in position including all material, labourer, T&P etc complete. 125 mm dia

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

Protection work nearby along the pipe line for proper completion of work. RRSM Laid in 1:6

RRSM Laid dry

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).