Dressing of drill bits, Lowering of liner assembly, feeding of gravel and other allied works at tube well drilled by departmental percussion Rig Machine WELL STARR-V at Purkhoo.

Amount

Rebuilding/ dressing of drill bit by way of carriage from the site of the work to the workshop, rebuilding the drill bit using stainless steel welding electrodes preferably Bor”C” make and finishing to the size of M.S. Casing pipe by using grinder, filing etc. Then shifting of the drill bit from the work shop to the work site . The firm shall quote rate for each dia of drill bit

24” dia drill bit

21” dia drill bit

18” dia drill bit

15” dia drill bit

Providing and fixing of 4 nos. MS Strips of size 200 X 40 X 6 mm out of flat 40X6 mm for each MS Pipe joint and welding on the opposite sides at equidistance and welding with superior quality electrodes in double layer. Then removing of flux from the welding portion by way of chipping and hammering. The job includes the cost of material as well as labour charges. The firm shall quote rate for each joint

Fabrication and Fitting/ Lowering of liner assembly 300/250/200 mm dia X 8.0 mm thickness, 200 mm dia 7. 1 mm thickness with M S Slot 1/16 as per the assembly design provided by the Central Ground Water Board/e- logging. The job includes loading, carriage and unloading at site, designing, arranging cutting and jointing and fabrication of reducer joint 300 mm x 200 mm with superior quality welding electrodes supported by 4 nos. M S strips at size 40mm X 6mm. The pipes are to be jointed with M S Slot in pieces depending upon the water bearing strata, the rates shall includes the cost of fitting charges and accessories required to complete the job. The job also includes back filling with Pea shaped gravel/boulder. The M S pipe shall be provided by the department. Complete Job in all respects

300 mm dia

250mm dia

200 mm dia

Slotting of 300/250/200 mm dia M S Casing pipe By shifting of pipes from store, unloading and manual handling of pipes to workshop, cutting and slotting in the work shop as per the requisite size and then carriage at site.

300 mm dia

250 mm dia

200 mm dia

Providing and shrouding of Pea shaped gravel at Tube well Khojipur under WSS Khojipur in Bishnah Constituency of Distt Jammu as per specification during Extraction of M S Casing Pipe. The quantity of Pea Shaped Gravel may increase/decrease depending upon the behavior of the tube well. The Job includes providing of pea shaped gravel, labour for loading, unloading, stacking and restocking and carriage charges. Complete Job

Fabrication, providing/fitting of steel supporting structure for clamping of tube well housing by using ISMB 300mm X 08mm thickness x 4.25 meter length x 2 Nos. at Khojipur under WSS Khojipur in Bishnah Constituency. The job includes its loading, unloading, carriage etc. and other material required during clamping of liner assembly. Complete job in all respect

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