Name of Work:- Construction of 200 mm dia Production Well by ODEX Method at ACHD, Zainapora, Shopian.
Sl. No.
Item Description
1
Cost on account of hiring charges of Hydro geologist/Geologist by firm for ground water feasibility survey and furnishing of geologists report to the department. Job also includes resistivity test (if required) 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.
2
Boring/drilling bore well of required dia and simultaneous lowering of casing/strainer by DTH/ODEX method prescribed in IS 2800 (Part 1) by fixing case drive shoe including collecting samples from different strata preparing & submitting strata chart /bore log including hire & running charges of all equipment tools, plants and machineries required for the job, all complete as per direction of Engineer-in-charge up to 90 m depth below ground level.All kinds of Strata (Diameter of casing/strainer pipe of 200 mm)
3
Boring/drilling bore well of required dia and simultaneous lowering of casing/strainer by DTH/ODEX method prescribed in IS 2800 (Part 1) by fixing case drive shoe including collecting samples from different strata preparing & submitting strata chart /bore log including hire & running charges of all equipment tools, plants and machineries required for the job, all complete as per direction of engineer-in-charge beyond 90 m depth and up to 150m depth below ground level.All kinds of Strata (Diameter of casing/strainer pipe of 200 mm)
4
Supplying and assembling in bore well, ERW (Electric resistance welded) Fe 410 mild steel, screwed and socketed/plain ended casing pipes of required dia, 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. 200 mm nominal dia. having wall thickness of 7.1 mm (as per IS code).
5
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 required time till well is fully developed, measuring yield of well by 'V' notch method or any other approved method, measuring static level and 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. Please Enable Macros to View BoQ information
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