DWSS Jandi

Drilling Trial Bore using Telescopic Method with suitable rig to extract water samples of different strata's encountered during drilling to check water quality with respect to Physical & Chemical Analysis, Heavy Metals such as Iron, Nitrate, Arsenic, Fluoride, Selenium, Uranium etc. The payment for testing water sample will be paid extra as per the quoted rates against relevant items of this bid. However the rates includes analysis of sand of all strata from where the water sample have been collected. (It should be ensure that the water sample is collected by an officer of rank not less than SDE)

Drilling of 500 mm dia bore with Reverse Rotary Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. complete in all respect.

Drilling of 500 mm dia bore with Reverse Rotary Rig beyond 150 mtr. Depth BGL

Drilling of test bore hole including the rate for logging (Electric logging shall be carried out by Contractor upto full depth) to be paid only for the drilling depth beyond the bail plug margin or the tubewell is abandoned (Rs. 60000 paid if tubewell is abandoned)

Making electric logging of borehole with electronic well logger including cost of equipment at site etc.complete in all respect.

Supplying, lowering of MS Pipe as per IS: 4270-2001 including MS sockets having dimensions as per IS code duly welded with MS electrode to have extra strength to lower the pipe into tubewell bore.

200 mm nominal diameter (weight 33.6 kg per meter) 6.4 mm thickness

Supplying, Fixing & Lowering of 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.