Construction of 200 mm dia machine drilled Tube Well near Filtration Plant at Putrigam Pulwama

Amount

Drilling of 200 mm dia. borehole with ODEX/DTH attachments in all kinds of soils viz. boulders, hard rock, saturated soils. The drilling includes the cost of suitable casing shoe, all consumables, water, fuel, lubricants and other accessories complete in all respects. The job includes the cost of 200mm dia. casing pipe (IS: 4270 with latest amendments) including the cost of welding and lowering of same. The job also includes the slotting of 200 mm dia. pipe by way of making holes of adequate size in order to ensure smooth inflow of water. The slotting is to be done in a uniform pattern. The well casing along with the screen is to lowered as per the drawing provided by the site in charge and as per the directions of engineer in charge to ascertain the sub soil formation and to ensure the right placement of screen in the water zones below the sub surface to ensure an uninterrupted water supply.

Development of tube well with back wash method with air compressor of minimum capacity 1100CFM (300 PSI air delivery system) with pumping pipe of minimum 100 mm dia. and air line of minimum 65 mm dia. till well is thoroughly developed in all respects as per the direction of the Engineer in charge

Providing and fitting of ISMC 200 as anchoring mechanism for 200 mm dia casing pipe. The job includes the cost of skilled welder and carriage. 30ft = 9.14 m @ 22.30 Kg/m = 203.82 Kgs

Providing and laying of PCC in M20 around the casing pipe and channel to provide adequate strength to the casing assembly. = 6’×4’×3’ = 72 cft

Cost on account of sign board and other unforeseen items

M/S VALLEY WATER MISSION