Details: geophysical investigation charges including preparation of geophysical report as per twad board type circular including all cost of transportation and handling charges etc.,complete drilling of borewells anywhere in tamilnadu including transportation from one place to another with in tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. by first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( site will be shown by the twad board officers) including construction of mud pit. a)0 to 150 m 151m to 180m supply and delivery of 150mm od 6ksc pvc casing pipe for bore well with best approved quality conforming to iss including all cost and convayance of material to site and labour charges for errection of pipe to the borewell etc., complete. supplying and fixing in position of the
Sector: RDPR