Details: drilling of trail bore of 150mm including cost of consumables ,labor & other required material at site. note:drilling of trail bore is mandatory and if water sample from bore found potable then the further drilling of main bore will be started. drilling of 550mm dia bore with reverse rotatry 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 rotatry rig upto 150 m depth bgl. note: 1. of dismantling of boring plant including all arrangement for the transportation of the boring equipment to site work from the store of contractor at site and back are to be made by the contractor at his own cost. all rates should be quoted for supplying the material at site of work 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 tubewell payment of bore shall be mad
Sector: Water supply and Sewerage