AS PER BOQ

Setting up of drilling site by way of shifting of requisite machinery and allied material after making proper approaches as per requirement at site.

Boring/drilling 200mm dia. Bore Well, upto140 meter below ground level or till sufficient aquifer Zone/discharge is encountered, by using ODEX Method of drilling and simultaneously driving of 200mm dia. ERW casing pipe after providing fixing of casing drive shoe with first 200mm dia. ERW casing pipe, complete, as per IS: 2800 (part 1), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire and running charges of all equipment tools plants and machineries required for the job, all complete as per direction of Engineer-in-charge. (ERW casing pipe shall be paid separately)

Supplying, assembly (including welding) lowering and fixing in vertical position in bore well ERW (Electric Resistance Welded) 200 mm dia. with 7.1 mm thickness, FE 410 beveled ended M.S. casing pipe, conforming to IS: 4270 (for Bore wells) of reputed & approved make, including painted with inside & outside surface with two coats of anti corrosive paint of approved brand including handling, loading, unloading & transportation of M.S. Casing pipe upto location of Bore well, as per direction of Engineer-in-charge.

Development to bore well in accordance with IS: 2800 (part 1) and IS: 11189 to establish maximum rate of usable water yield with required capacity air compressor, running the compressor for minimum 6 hrs and maximum upto till well is fully developed free from sand and other impurities. Then measuring of maximum yield of well by “V” notch method or any other approved method, measuring static level & draw down etc. by step draw down method including disinfection of bore well. Complete job including hire charges of air compressor, tools with accessories along with labour charges as per direction of Engineer-in-charge. Stabilization and testing of bore well by way of drawing water (Pumping) using submersible pump set till the clear potable drinking water is achieved during yield test. Then stabilization of the bore well by fixing safe discharge of well and measurement thereof using approved method. Then collecting water samples and getting tested in approved laboratory. The job includes the hire charges of pumping machinery along with labour and other tools and tackles as per direction of Engineer-in charge, Complete job.

Providing, installation, testing and commissioning of electro-mechanical works for installation of submersible pump set as per available discharge along with allied works. Providing/fitting of G.I. Pipe as column pipes 3mtr length each of suitable dia. as per available discharge. Then providing and fabrication of M.S. Flanges and welding the same on both sides of G.I. Pipes in proper alignment. Complete job including cost of G.I. Pipe, MS Flanges and other miscellaneous items and cost of carriage /transportation of material from workshop to the site of work. Providing, fitting, installation, testing and commissioning of Submersible pump set of suitable parameters as per site requirement of reputed make conforming to relevant IS Code. The job includes carriage of material to the site of work and lowering of submersible pump set in to the bore hole by way of coupling of flanged G.I. Riser Pipes with fixtures such as nuts, bolts & washers and making of electrical connections with starter panel. Fabrication of well cap, tie rod along with G.I. bend, elbow for delivery of water. Providing, fitting and installation of voltage stabilizer of Suitable capacity and controller panel cum starter of suitable capacity capable of protection of current related faults and voltage related faults in sheet enclosure type of reputed make including fabrication of steel enclosure outdoor electrical cabinets with canopy for motor starter. Providing and laying of copper submersible cable of suitable parameters (as per site requirement) & also providing and fitting of PVC insulated armoured aluminium cable as service line required from LT Pole to Voltage Stabilizer to starter cum control panel of reputed make confirming to relevant IS Code (as per site requirement). Making of electrical connections with the starter panel, service line and submersible pump set after properly thimbling and testing and commissioning thereof. Complete job.