Provn of external water sup line with pumping set and bore well at Suri enclave at Mil Stn Beas under GE Kapurthala.

M&L for trial boring/drilling of borewell with direct rotary/ reverse rotary rig method or as per site requirement of suitable size not less than 250 mm dia upto 200 mtr depth below ground level. The drilling of bore shall be done by DTH-cum-rotary or reverse rig method by deploying suitable machinery of suitable size and different cutters through any kind of soil strata including boulder, rock, hard stone etc including all arrangement for circulation of water using bentonite or silly clay (Quantity/content mixed as per manufacturer recommendation or as directed by Engineer-in-Charge as per site or soil condition including disposal of spoil from the site n.exc 500 mtr and site clearance) complete all as specified & directed.

- ditto - all as per item ser No 1 above here in before but exceeding 200meter depth below ground level and upto 400 Rm.

Development of bore wells including flushing out tree roots, site, fine sand by air compressor of suitable capacity not less than 1200 CFM at 350 PSI & cover pumping (25% extra capacity pump) to make water free from turbidity till clear water is obtained from the bore wells completeall as specified and directed (Pumping for minimum 16 hours in two stage of continuous 8 hours with an interval of 01 hour after first 8 hour) The upper limit for duration of development shell be the time technically required to give results of development as per ISS. Note :- Extra pumping shall be payable on account of increase in numbers of pumping hours actually required at site above 16 hours will be measured at Per Hours quoted price.

Supplying, assembling, jointing and lowering 6.00 mm (minimum) wall thickness 350 mm dia (internal) ERW MS housing pipes, heavy duty conforming to IS-4270-2001 or IS-3589-2001 (Steel tubes used for water wells) upto depth of 100 Mtr below ground level and fixing in position (including necessary cleaning internal and external and painting inside of pipes with two coats of black bitumin paint suitable for drinking purpose) in different depth as directed, plain ended, jointed heavy duty suitable size collar and with electric welding incl 20x4 mm of suitable length MS flat Iron contact guide in each joint (04 Nos of each joint) with butt welding joint complete surrounding the pipe in both ends for Development/ expanding of trial bore for new borewell complete all as specified and as directed. Note :- Pipe shall be of 06 Mtr unless required in smaller lengths as per borewell requirement.

Supplying MS reducer 350mm to 250 mm and fixing into bore hole MS pipes ERW grade threaded and socketed joint, 8 mm wall thickness, both ends plain as per IS-4270-2001 or IS-3589-2001 including welding of both ends complete all as specified and directed.

Supplying, assembling, jointing and lowering 6.00 mm (minimum) wall thickness 250 mm dia (internal) ERW MS housing pipes, heavy duty conforming to IS-4270-2001 or IS-3589-2001 (Steel tubes used for water wells) depth exceeding 100 meter to 200 meter below ground level and fixing in position (including necessary cleaning internal and external and painting inside of pipes with two coats of black bitumin paint suitable for drinking purpose) in different depth as directed, plain ended, jointed heavy duty suitable size collar and with electric arc welding 20x4 mm of suitable length MS flat Iron contact guide in each joint (04 Nos of each joint) with butt welding joint complete surrounding the pipe in both ends for Development/ expanding of trial bore for new borewell complete all as specified and as directed. Note : Pipe shall be of 06 Mtr unless required in smaller lengths as per borewell requirement.

- ditto - all as per item ser No 6 above here in before but depth exceeding to 200 meter to 230 meter below ground level.

Supply, assembling, fixing and lowering 250 MM steel strainer (Slot size 0.75 mm) 7.30 mm thickness Stainless steel Cage type wire wound screen as per IS : 8110-2000 or latest ISI marked duly welded with suitable grade S.S. welding electrode to lower the strainer into tubewell bore upto depth of 260 Mtr below ground level or as per output of electro logging complete all as specified and directed.

M&L for stabilizing and yield testing after completion of bore well by using V.T./ Submersible pump set of adequate capacity as per specifications till yield of bore well and draw down of the bore well is ascertained to determine safe pumping Yield till the clearance of the sand free water and its discharge at appropriate head complete job all as specified and directed with the following :- (a) Collection of water samples from bore well and getting them tested chemical and bacteriological analysis from recognized institution approved by Govt Lab. (b) Test on quality of water for drinking purposes. Note :- The quoted rate includes cost of material and labour charges.

S&F of 8mm thick MS bail plug for 350 mm bore dia pipe, min 700mm long with strong iron hook of min 25mm dia, screwed & welded to the casing pipe (length of pipe required to be fixed with bail plug will be measured and paid for separately under relevant item.)