15 TH Finance Tied Grant I st Instalment 2025-2026

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 150 mm/200mm 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.

Upto 60 mt. Depth ending below ground level

From 60 m upto 90 m Depth ending from ground level

From 90 m upto 120 m Depth ending from ground level

From 120m to 150m Depth ending from ground level

From 150m to 180m Depth ending from ground level

From 180m to210m Depth ending from ground level

Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the Departmental Officer

Upto 60 mt. Depth ending below ground level Sl.No 12 b - i

60 mt.to 90 m Depth ending below ground level Sl.No 12 A - i

90 mt.to 120 m Depth ending below ground level Sl.No 12 A - i

120 mt.to 150 m Depth ending below ground level Sl.No 12 A - i

From 150m to 180m Depth ending from ground level

From 180m to210m Depth ending from ground level

Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer.

200mm dia OD PVC Plain casing Pipe (CM)

200mm dia OD PVC slot casing Pipe (RS)

200mm dia OD PVC end cap

Labour Charges for inserting PVC Casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete supply and packing the annular space with pebbles of size and quality as approved by the executive engineers

Charges for developing the borewell with air compressor of 600 cfm capacity (Minimum 8 Hours) including transportation labour and fuel charges for compressor as directed by TWAD Board officers and conducting yield test by 'V' notch method. TWAD Board SL.NO 13B

Supply and fixing of 80 mm dia UPVC Pipe of approved quality,including cost and conveyance of all materials and labour charges etc., complete as per standard specifications. P No -7

Supply and run off 2.5sq. mm 3 core 1.1 KV Grade Copper cable conforming to IS 694/1990 Part I With ISI Marking.

Supply and fixing of 32 Amps DP Switch with metal clad of 500 V with fuse and neutral (Side Handle) on suitable TW Box PWD Earthing.SD142.

Supply and fixing of 20HP Submergible Motor pumpset Pannal Board f ISI make approved quality, including cost of materials to site etc., complete as per standard specification P No -120

Labour charges for errection of 20 H.P submercible pumpset Pannal Board in bore well / open well including fixing and jointing submercible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventer, water levelguard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing pumpset and trail run for 10 days. P No -204

Supply and run off 6 sq. mm 3 core 1.1 KV Grade Copper cable conforming to IS 694/1990 Part I With ISI Marking. P No -124

Supply and cost of G.I Pipe B class Specials ISI make approved quality, including cost of materials to site etc., complete as per standard specification P No -32

80 mm G,I Pipe

80 mm G,I Bend

80 mm G,I Coupling

18 mm Rope

Bore Clamp

Non Ret Value 80 mm Dia P.No 68