GENERAL FUND 2025-26

Conducting Geophysical Survey, quantity and quality test and transportation charges etc., complete

Drilling of bore well anywhere in Tamil nadu including transportation from one place to another place within Tamil nadu in alluvial soil or sedimentary strata of clay and sand or sand, stone, shale, pebbles, boulders etc., y first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia by direct or reverse rotatry mud and circulation method using Contractor's rig, fuel, labour, drilling, betonite mud and water required for drilling at the site shown by the TWAD Officers including construction of mud pit (only Calyx drills are to be used).pg no.198

Reaming from 140/150 mm dia pilot bore to 300 mm dia bore as directed by the TWAD Board Officers upto 60 m Depth ending from ground level tward board Pg.no.199

Supply and delivery of un plasticised 150mm dia PVC Plain casing pipes including, loading, unloading, freight, stacking and transit insurance charges etc., complete TWAD Board pg no.20

Supply and delivery of un plasticised 150mm dia PVC Ribber screen pipe including, loading, unloading, freight, stacking and transit insurance charges etc., complete TWAD Board pg no.20

Supply and delivery of un plasticised 150mm dia PVC End Cap suitable for 165mm OD pvc pipes casing pipes of 3m length with screwed and socket end and centering guide for every 15m length of pipes as per IS 12818/92 and as amended from time to time to suit the borewell upto 80m depth with ISI marking including, loading, unloading, freight, stacking and transit insurance charges etc., complete tward board rate.26

Labour Charges for inserting PVC casing pipes assembly (with slots or without slots) in the drilled hole including the jointing the pipes with PVC couplers with cement paste etc. complete TWAD Board pg no.313

Supply & delivery of Single phase panel board with two level guard with auto start for 1HP single phase submersible pumpset including cost and conveyance of material etc., complete as per standard specification TWAD Board pg no.313

Supply & delivery of 1 HP Single Phase submersible pumpset Duty 20 lpm x 90 m head, including cost and conveyance of material etc., complete as per standard specification. page no.102 tward board

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required dept valves erection clamps, pressure gauges upto the exterior wall of pump room and erectionof panel board consisting of TPICN switches starter, voltmeter, ammeter, three piolot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules, etc compete and testing the pumpset and train run for 10 days page no.302 tward board 24-25 pg no.204