Construction of Bore well at District Jail Anantnag.

Cost on account of hiring charges of Hydro Geologist/Geologist by firm for ground water availibility survey and furnishing of geologist's report to the department. Job also includes resistivity test by latest equipment for identified site and subsequently furnishing of report to the department before construction of production well is taken in hand by the firm.

Drilling boring of bore hole of 450–550 mm dia for lowering of 250 mm dia casing/strainer pipe by suitable method prescribed in IS: 2800 (Part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire and running charges of all equipment, tools and machinery required for the job, all complete as per direction of Engineer-in-Charge up to 90 m depth below ground. All kinds of soil (Diameter of casing/strainer pipe = 250 mm)

Drilling boring of bore hole of 450–550 mm dia for lowering of 250 mm dia casing/strainer pipe by suitable method prescribed in IS: 2800 (Part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire and running charges of all equipment, tools and machinery required for the job, all complete as per direction of Engineer-in-Charge beyond 90 m and up to 230 m depth below ground. All kinds of soil (Diameter of casing/strainer pipe = 250 mm)

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) Fe 410 mild steel, screwed and socketed/plain ended casing pipes of 250 mm dia, wall thickness of 7.1 mm, conforming to IS: 4270 of reputed and approved make, including painting the outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire and labour charges, fittings and accessories, all complete for all depths as per direction of Engineer-in-Charge. 250 mm nominal dia.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) Fe 410 plain slotted (having slot size 1.6/3.2 mm) mild steel threaded and socketed/plain bevel ended pipes (Type A) of required diameter, conforming to IS: 8110 of reputed and approved make, having wall thickness not less than 7.1 mm, including painting the outside surface with two coats of anticorrosive bituminous paint of approved brand and manufacture, including required hire and labour charges, fittings and accessories, all complete for all depths as per direction of Engineer-in-Charge. 250 mm nominal size dia.

Gravel packing in tube well construction in accordance with IS: 4097, including providing gravel (fine/medium/coarse) in required grading and 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 sand content (beyond permissible limit), with required capacity air compressor, running the compressor for the required time till the well is fully developed, measuring yield of the well by V-Notch method or any other approved method, measuring static level and drawdown by step drawdown method, collecting water samples and getting them tested in an approved laboratory, including required hire and labour charges of air compressor, tools and accessories, etc., all complete as per direction of Engineer-in-Charge.