Drilling and commissioning of deep tube well size 300/150 300m deep at Lohandia 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 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 lowering of pipes, strainers, blind pipes etc. complete. (c) For depth upto 250 metre for100mm dia Tube well 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 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 lowering of pipes, strainers, blind pipes etc. complete. (c) For depth upto 250 metre for100mm dia Tube well 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 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 lowering of pipes, strainers, blind pipes etc. complete. (c) For depth upto 250 metre for100mm dia Tube well 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 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 lowering of pipes, strainers, blind pipes etc. complete. (c) For depth upto 250 metre for100mm dia Tube well 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.

Supplying of G.I Pipes 50mm dia nominal outer dia including fittings.

Lowering and commissioning of 7.5 HP Submersible pump in deep borewell with CPVC 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 wire to be paid separately)

Supplying of 7.5 HP Submersible pump 12 stage,110m discharge-2.5 litres dilvery size 50m, three phase, 415 volt, speed of pump 2880 rpm, Pump shaft-stainless steel, Impelier-Glass Noryl Polypropin, Suction Casing-Cast Iron,

Supplying and installation of Control panel with three phase along with tripping device, over loaded or single phase, dry run protection, Ammeter and voltmeter current rating 25 A, Suitable for 7.5 HP Submersible pump.

Providing and fixing of PVC insulated & PVC sheated 3 core copper (EC grade) flat cable for submersible pump.

Total impact of GST for the purpose of CTC

L K Enterprises (BID ID -1172971)

M/s Dharmendra Das (BID ID -1172982)