Water Supply And Sanitation Department Tender

TUBEWELL Drilling of 450 mm dia bore with Direct 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 450 mm dia bore with Direct Rotary Rig upto 150 m depth BGL.

Drilling of 450 mm dia bore with Direct Rotary Rig beyond 150 m depth up to 300 mtr.

Drilling of test bore hole including the rate for resistivity test to be paid only for the drilling depth if the tubewell is abandoned. In case of bore is converted into a tubewell payment of bore shall be made up to the bail plug plus margin (7% of main bore drilling or as actual as per field requirement which ever is less) required for sustaining the main bore paid at the rate of beyond margin shall be paid at the rate of test bore drilling. 1. Eraction 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. Note: 300mtr x @ 500/- Paid if T/W abandoned.