Drilling and commissioning of 02 nos bore well all complete fitting at Lalu Group of Lohandia rehab site under Rajmahal Area.

Amount

Item Description/ Heading

Labour for boring through any type of soil for sinking tube well of required dia. With top enlargement by rigboring system (either by reserve circulation or by direct rotary method) Including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arragement for water required for boring etc complete .Bore dia 150 mm with top enlargement of 200 mm dia. (upto 50 metre.) From 0.00 to 50.00 metre.

Labour for boring through any type of soil including rocky strata for sinking tube well of required dia. With top enlargement by rig boring system (either by reserve circulation or by direct rotary method) Including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arragement for water required for boring etc complete .Bore dia 150 mm with top enlargement of 200 mm dia. (upto 50 metre.) From 50.00 to 100.00 metre.

Labour for boring through any type of soil including rocky strata for sinking tube well of required dia. With top enlargement by rig boring system (either by reserve circulation or by direct rotary method) Including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arragement for water required for boring etc complete .Bore dia 150 mm with top enlargement of 200 mm dia. (upto 50 metre.) From 100.00 to 150.00 metre.

Labour for boring through any type of soil including rocky strata for sinking tube well of required dia. With top enlargement by rig boring system (either by reserve circulation or by direct rotary method) Including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arragement for water required for boring etc complete .Bore dia 150 mm with top enlargement of 200 mm dia. (upto 50 metre.) From 150.00 to 250.00 metre.

Development of tube well in accordance with IS: 2800 (part I) and IS: 11189 to establish maximum rate of usable water yield with out sand content (beyond premissible 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 step draw down method, collecting water sampless & getting tested in approved 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.

Supplying, assembling, lowering and fixing in vertical position in bore well, 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, includin hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge. 200mm norminal size dia.

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/casing pipe, removable as per requirement, all complete for borewell of: 200mm 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. 200mm clamp.

Supplying of Nylon rope 25mm dia.

Supplying G.I pipes 50 mm dia nominal dia including fittings.

Lowering and commissioning of 7.5 HP Submersible pump in deep borewell with GI/ CPVC/PVC pipe including all accessories etc. complete inlcuding cost of labour but excluding cost of material and fittings (cost of pump, cable, PVC Pipe, Contol panel, hanging arrangement like wire/rope to be paid separately)

Supplying of 7.5 HP Submersible pump motor set (three phase 415 volt, 12 stage, speed of pump-2880 rpm) with Glass Noryl Polypropin impeller, stainless steel pump shaft, head-110 metre, discharge. Suction casing-cast iron and of approved make as per direction of EIC.

Supplying of three phase/ 415 volt Starter Control Panel of approved make suitable for 7.5 HP submersible pump consisting of volt metre, ammeter, on/off switch, starter, single phase preventer, overload protection, water level guard, dry run protection, under current protection all complete as per direction of EIC.

Supplying of PVC insulated and PVC sheathed flat submersible cable with copper conductor, 3 core 10 sq.mm as per direction of EIC.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.External work: 25 mm dia nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.External work: 50 mm dia nominal bore

Total impact of GST for the purpose of CTC

M/s Kumkum Construction (BID ID -1210551)

M/s Samukh Enterprises (BID ID -1210570)