Revamping works of Bore Well

Amount

Materials

Boring/drilling bore well of required dia for casing/ strainer pipe, bysuitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level. All types of soil up to 300 mm dia

Rocky strata including Boulders up to 300 mm dia

Supplying, assembling, lowering and fixing in vertical osition in borewell, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including requiredire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge. 100 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings &accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 100 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in borewell, ERW (Electric Resistance Welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed/ plain bevel ended pipe (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, including painted with outside surface with two coats of anticorrosive bitumestic paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. 150 mm nominal size dia

Gravel packing in tubewell construction in accordance with IS: 4097,including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge.

Development of tube well in accordance with IS : 2800 (part I) and IS:11189, to establish maximum rate of usable water yield without sandcontent (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by “V” notch method or any other approved method, measuring static level & draw down etc. by stepdraw down method, collecting water samples & getting tested inapproved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge

Providing and fixing suitable size threaded mild steel cap or spotwelded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of: 150 mm dia

Providing and fixing M.S. clamp of required dia to the top of casing/housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. 150 mm clamp

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I). 150 mm dia

2 inch PVC Column Pipe 10 feet per pics

2HP Submersible Pump

3 Core 2.5 SQ mm Copper wire

2 HP Starter(with load safety relay)

Mild Steel Clamp 50mm

50 mm GI Nipple (2˝)

50 mm GI flange

50 mm GI Coupling Socket

50 mm GI Long Pipe Bend

50 mm GI Long Tee

10 mm Iron Rope

1 inch PVC Pipe

A C ENTERPRISES

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