Details: conducting of geo physical survey for achieve maximum quantity of water etc. 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 (for upto 300mm 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. drilling of 140/150 mm pilot bore upto 60m depth ending below ground level etc., complete. (twad sor pg - 272)upto 60 m depth ending below ground level reaming 200 mm dia pilot bore to 350mm dia bore as directed by the twad board officer. upto 60m depth ending below ground level etc., complete as per standard specification. twad sor pg - 273) supply and delivery of following 200/150mm dia c
Sector: Municipality