Water Supply And Sanitation Department Tender

Drilling of 550 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 550mm dia bore with Reverse Rotary Rig up to 150 mtr. Depth BGL

Drilling of 550mm dia bore with Reverse Rotary Rig Beyound 150 mtr. Depth BGL upto 300 mtr

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. 1. Erection and dismantling of boring plant including all arrangment for the transportation of the boring equitment to site of work from the store of the contractor at site and back are to be made by the contractor at his own cost. all rates should be quated for supplying the material at site of work. pits for collection of water and water for drilling tubewell to be arranged by the firm/contractor at site at his own cost. 2. in case the bore is converted into a tube well payment of bore shall be made up to the bail plug margin(7% of main bore drilling or as actual as per fiel requirmwnt whichever is less) required for sustaining the main bore. the test bore beyond margin shall be paid at the rate of test bore drilling.