CONSTRUCTION OF 02 HP SUBMERSIBLE PUMP AT CENTRAL JAIL NAINI, DISTRICT PRAYAGRAJ (UP)

(A) BORE NO.- 1 (300 MM DIA)

Boring/drilling bore well of required dia for casing/ strainer pipa, by suitable method prescribed in IS: 2800 (part I), Including collIecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plents & machineries required for the job, all complete as per direction of Engineer -in charge, upto 90 metre depth below ground level. 300 mm dia

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IG: 2800 (part I), including collecting sample from differeht streta, preparing and submitting strata chart/ bore log. including hire & running charges of all equipments, toots, plants & machineries required for the job, all complete as per direction of Engineer -in- charge, beyond 90 metre & upto 150 metre depth below ground level. Rocky strata lnciuding Boulders 300 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Résistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of raquired dia, conformlng to IS: 4270, of reputed & approved make, lnduding painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge. 150 mm nominal size dia having minimum wall thickness 5.00 mm

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Rasistance FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed/ plain bevel ended pips (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, induding painted with outside surface with two coats of anticorrosive bitumestic paint of approvad brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for alt deptha, as per direction of Engineer -in-charge. 200 mm nominal size dia

Supplying, filling, spreading & leveling gravels of size range 5 mm to 10 mm, in the recharge pit over the existing Iayer of boulders, in required thickness, for all leads & Iifts, all compete as per direction of Engineer-in-charge. Around Pipe(3.14*0.15*0.15*60.00)

Gravel packing in tubewsll construction in accordance with IS: 4097, including providing gravel fine/ medium/ .coarse, in required grading. & sizes. as per actual requirement, all complete as per direction of Engineer-in-charge. (3.14*1.50*1.50*0.20)

Development of tube well in accordance with IS : 280D (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limît), with required capacity air compressor, running the compressor for required time. tifl well ïs fully developed, measuring yield of well by 'V* notch method or any other approved method, measuńng static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tube well, all complete, including hire & labour charges of aİr compressor, tools & accessories etc., .all as per requirement and direction of Engineer-in-charge.

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable ae per requirement, all complete for bore well of. 150 mm dia

Providing and fixing M.S. clamp of required dia to the top of casings housing pipe of tube well as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. 150 mm clamp