Construction of 01 No. 125mm Dia Machine Drilled Hand Pump Well near Masjid-e- Jamia Chopan Mohalla Kanispora Baramulla.

Drilling of 125 mm diameter tube well by air rotary drilling rig unit suitable for lowering of MS casing of 125 mm diameter in suitably drilled bore hole as per specifications laid down in IS 2800 (Part-I) with up-to-date amendments. The job is to be done in all kinds of soils, boulder, rocks, collapsible strata, saturated soils, artisan conditions by all available mechanical attachments (ODEX/DTH/Air Rotary) and exploration of ground water by tapping sufficient aquifer zones. The job includes the cost shifting of drilling accessories, tools, bits, casing shoe, consumables like fuel, lubricants, skilled and unskilled labours and other unforeseen items. Development of tube well with backwash method with air compressor of minimum capacity 1000 CFM (300 PSI air delivery system) with suitable arrangements till well is thoroughly developed in all respects as per the directions of site engineer.

P/F of M.S. 125mm Dia: Plain ended pipe and subsequently, assembling, lowering and fixing in vertical position in bore well dully ERW (Electric Resistance Welded). The Casing Pipe must be confirming to IS: 4270:2001 with up to date amendments of reputed & approved make, including painting of outside surface with two coats of anti-corrosive paint. The job includes required transportation, hire & Labour Charges, Fitting/welding and accessories complete in all respect for all depths, as per site requirement. The casing pipe is to be slotted as per the site requirement and as per the availability of aquifer zone.

Supply, Installation, Testing and commissioning of INDIA Mark II hand pump assembly comprising of cylinder, head, handle assembly, front cover, handle, axle, washers, nuts/bolts.

Providing and fitting of 32mm dia: G.I Riser Pipe (Class - B) of approved ISI make including properly threaded after 10 feet length each number with heavy duty sockets forjoint fitting in the tube well.

Providing and fitting of 10 feet long G.I. connecting rods, suitable for INDIA mark II Hand pump.

Providing / Laying of Plain Cement Concrete block of size 4 ft × 4 ft × 1 ft in 1:3:6 mix to give adequate strength to act as a sanitary block for the well and to grout the hand pump assembly in order to make it robust to resist shock load observed while pumping. The job includes providing / laying of PCC edges of 4" × 4" in 1:3:6 mix and providing / laying of cement plaster in 1:4 mix to the above block to give aesthetically good appearance. Cost on account of shuttering, strutting, centering, curing etc. is included in the scope of work. In case the suitable space for the above specification is not available, the surface area is to be adjusted accordingly.