Construction of 200 mm Dia. Production Bore Wells by ODEX Method for 01 Water Supply Scheme (03 nos. borewell) of District Doda of Jammu Province under Jal Jeevan Mission

Amount

Construction of 200 mm Dia. Production Bore Well by ODEX Method for 01 Water Supply Scheme (03 nos. borewell) i.e. (i) WSS Lom Jatheli-03 nos (140 mtrs. Each) of District Doda of Jammu Province under Jal Jeevan Mission (JJM)

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 200 mm dia. Bore Well, 140 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 200 mm 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) (140 mtrs for each borewell)

Supplying, assembly (including welding), lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel beveled ended 200mm dia. casing pipes, conforming to IS: 4270 of reputed and approved make, including painted with outside surface with two coats, of anticorrosive paint of approved brand and manufacture including required hire and labour charges, fitting and accessories, all complete for all depths, as per direction of Engineer-in-charge. Detail of specification of pipe is reflected at Annexure “A”. The cost includes transportation, loading, unloading and stacking/handling at site all complete. (140 mtrs for each borewell)

Development to tube well in accordance with IS: 2800 (part 1) and IS: 11189 to establish maximum rate of usable water yield without sand content (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 step draw down method collecting water samples and getting tested in approved laboratory, I/C disinfection of tube well, all complete including required hire and labour charges of air compressor tools and accessories, etc. all, as per direction of Engineer-in-charge.

SADAN CONSTRUCTION AND SUPPLIERS (BID ID -2138505)

Mamta Boring co (BID ID -2117336)