tender for drilling of alternate borewell and erection of 7.50 hp motor to veerakkudi ad street oht in manakkadu panchayat , conducting geo physical survey fixing the location , drilling 150mm od pilot bore , upto 60m depth ending below the ground level , from 60m and upto 90m depth ending below the ground level , charges for developing the borewell with air compressor of 600 cfm capacity (minimum 8 hours) including transportation labour and fuel charge for compressor as directed by departmental officers etc., , reaming from 150mm dia pilot of bore to 300mm dia bore as directed by departmental officers , upto 60m depth ending below the ground level , from 60m and upto 90m depth ending below the ground level , labour charges for inserting pvc casing pipes assembly in the drilled holes including jointing the pipes with pvc couplers with cement pases etc , supply and delivery of the following materials as per isi specifications. , 150mm pvc plain casing (cm) , 150 mm pvc screen casing pipes (rs) , 150 mm pvc end plug , supply and delivery of 7.5 hp submersible motor including all charges and conveyances , gst amount for providing service to government contract works for the above construction works. { gst amount is the total gst amount for total overall quoted amount above this row in column bb for all works in this package}