Providing Drilling Borewell Arrangements at Colony in Chinnakandiyankuppam Panchayat in Vridhachalam Block

Amount

Geophysical Survey Charges including conveyance charges forn the Geo -Physical instruments and other accessories

Drilling and Errection of borewells including transportation in alluvial soil sedimentary strata of clay and sand stone pebbles bouldersetc, for first taking pilot bore of 140/150mm dia and then enlarging to require dia direct or reverse rotary mud circulation method using rotary rigs , fuel labour and drilling bentonite and water required for drilling at site will be shown by officer . Upto 60M depth below GL

From 60M to 90mM depth below GL

From 90M to 120mM depth below GL

From 120M to 150mM depth below GL

Reaming charge 140/150mm dia pilot bore to 300mm dia bore as directed by the dept officers. Upto 60M depth below GL

From 60M to 90mM depth below GL

From 90M to 120mM depth below GL

From 120M to 150mM depth below GL

Reaming charge 200mm dia pilot bore to 350mm dia bore as directed by the dept officers. Upto 60M depth below GL

From 60M to 90mM depth below GL

From 90M to 120mM depth below GL

From 120M to 150mM depth below GL

Supply Delivery of and conveyance of all following sizes of PVC casingpipes & specials to site as per IS 12818 / 1992 200 mm OD PVC Plain Pipe (Medium depth)

200 mm OD PVC Ribbed Pipe (Medium depth)

200mm OD PVC dummy

Labour Charges for inserting (200mm ID) 200 mm OD PVC casing pipe with screen or without screen in the drilled hole including jointing the pipe complete supplying and packing the annular space with pebbles of approved quality by the departmental officer 200 mm OD PVC cassing Pipe

Developing the Borewell with Air Compressor of 600 cfm capacity including transportation labour and fuel charges for compressor and as directed by the department officer and conducting yeiled test by "V" notch methods

Name Board charges

Rajavel S (BID ID -1511908)