Drilling of 3 Nos Tube well at different location of BRBRAITT Jabalpur MP

Amount

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and labour charges, fittings& accessories etc. all complete, for all depths, as per direction of Engineer-in-charge.

150 mm nominal size dia

200 mm nominal size dia

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 & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air 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 as per requirement, all complete for bore well of:

200 mm dia

Boring/drilling bore well of required dia perfectly vertical to receive 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 equipments, tools, plants and machineries required for the job, all complete as per direction of Engineer–in-Charge, upto 90 metre depth below ground level. (a) 230 mm at top and 190mm afterwards as per site requirement.

In all types of soil including collapsible strata consisting of soils, clays sand, moorum gravel, boulders etc.

Rocky strata including ,Boulders.Upto 90 metre depth.

Collection of water sample for portability Test submission of sample to any Government / certified institution and submitting the certificate in respect of test results all complete as per direction of Engineer in charge.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling or lowering in borewell etc.

65 mm Dia

40 mm dia nominal bore

50 mm dia nominal bore

Providing and fixing G.I. Union in existing G.I. pipe line, cutting and threading the pipe and making long screws, including excavation, refilling the earth or cutting of wall and making good the same complete wherever required :

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end

RAMBIR SINGH (BID ID -764509)

M/s K.K.Sutrakar (BID ID -762781)