Improvement of water supply scheme by laying of 100mm DI pipe from Madhi to Hassanpur Providing and installing 1 No Tubewell upto 150 Mtr depth below ground level by DTH rig at village Banarsi and all other works contingent thereto

Amount

Drilling of 300mm dia bore by DTH/ Odex rig machinery or any other suitable rig percolation’s any other for telescopic tubewell as per IS code 2800-1991 (Part-II) and IS: 1528-1979 (Part-II) as amended upto date in all kinds of soils establizing cost of all consumable stores, fuel, oil, establishing material and transportation and erection of rig and contingent equipment to the site of proposed bore and back complete in all respects. Upto a depth of 0 to 80 Mtr.

Drilling of 175mm dia bore by DTH/ Odex rig machinery or any other suitable rig percolation’s any other for telescopic tubewell as per IS code 2800-1991 (Part-II) and IS: 1528-1979 (Part-II) as amended upto date in all kinds of soils establizing cost of all consumable stores, fuel, oil, establishing material and transportation and erection of rig and contingent equipment to the site of proposed bore and back complete in all respects. Between depth 81 to 150 Mtr.

Supplying and lowering blind pipes of size 219.10 mm outer dia ERW slotted steel pipes as per IS: 4270- 1992 as amended upto date pipe in 4 to 7 mtr. random length with 88.90 mm of threaded eneds (8 threads to an inch or 25.40mm) manufactured out of 6.40mm thick M.S. plates with required number of M.S. socket 177.80mm length with inside thread to match the pipe threads and made out of M.S. plate in to borehold in vertical position including cost of scaffolding derricks, jim, poles, tools and plants ropes, gus, M.S. clamp embedded in foundation etc. complete in all respects to the satisfaction of the Engineer-in- Charge of the work including cost of all cutting, threading of pipe, welding where required and all sockets. The pipe shall be painted with anti-corrosive paint and covered tightly with polythene. Upto a depth of 0 to 80 Mtr.

Supplying and fixing well threaded M.S. cap on 219.10mm outerdia ERW housing pipe as per IS: 226- 1975, as amended upto date, complete, in all respects to the satisfaction of Engineer-in-Charge.

Supplying & fixing 219.10mm M.S. clamp as per IS: 226-1975, as amended upto date for serving the housing pipe and to be supported on two girders not less than 100mm x 150mm size & 2 Mtr. long each embedded in suitable foundations to the approval of Engineer-in-Charge.

Development of tubewell according to clause 9.3 ( Development of tubewells) IS: 2800 –1991 ( Part-I) as amended upto date and specifications attached including cost of all consumable stores, fuels, oil, compressors and pumps and other tools and plants etc. required for the job till establishment, stabilizing and discharge free from sand particles after 30 minutes using air compressor and pumps suitable rating. when development is done by compressor of 450 cfm, 250 PSI rating = 10 Hrs.

SAKIL AHMAD GOVT.CONTRACTOR