Providing Borewell at Addition nagar in Mangadu Municipality

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. 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 CS and RS casing pipe as pe IS 12818/2010 . including cost and conveyance of pipes with accessories to site etc., complete - RS Casing shallow depth (plain pipe) - (TWAD SOR Pg - 42)200mm RS Casing pipe

Labour Charges for inserting Casing pipes assembly with slots or with out slots in the drilled hole including welding the joints etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineers of TWAD Board.(TWAD SOR Pg - 274)200mm RS Casing pipe

Supply and delivery of following PVC, GI Pipes and Specials including cost and conveyance of pipes with accessories to site etc., complete50mm Upvc pipe (TWAD SOR PG - 44)

50mm dia G.I Elbow (TWAD SOR PG - 64)

50mm dia G.I flange set (TWAD SOR PG - 64)

50mm dia G.I Nipple (TWAD SOR PG - 64)

50mm dia MS clamp set (TWAD SOR PG - 64)