2024 202515th finance Providing Bore well at Eluthupattarai Street in Ammapettai Town Panchayat

Drilling of borewell anywhere in Tamilnadu including transportation from one place to another place within Tamilnadu in alluvial soil or sedimentary strata of clay and sand or sand, stone, shale, pebbles, boulders etc., by 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. below 60mdepth

From 60m to 90m depth

Reaming140/ 150 mm dia pilot bore to 300mm dia bore as directed by the Departmental Officer.below 60mdepth

From 60m to 90m depth

Supply of approved quality PVC CASING PIPE 150mm CM plain pipe With Exice Duty AS PER IS 12818/1992.

Supply of approved quality PVC CASING PIPE 150mm RS Slotted pipe With Exice Duty AS PER IS 12818/1992.

Supply of approved quality 150mm dia OD PVC end plug etc. complete as per standard specification.

Labour charges for inserting 150 mm/200 mm/250 mm dia (Pre Casing pipes assembly (With slots or without slots) in the drilled hole including welding the joints etc., complte and supply packing annular space with pebbles of size and quality as approved by the Executive Engineers of TWAD

Charges for developing the borewell with air compressor of 300 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.

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.

Supply and run off 1.5sq. mm 3 core 1.1 KV Grade Copper cable conforming to IS 694/1990 Part I With ISI Marking.

Supply and fixing of 10HP Submergible Motor pumpset of 20x70 LPM/M of ISI make approved quality, including cost of materials to site etc., complete as per standard specification

Supply and fixing of 10HP Submergible Motor pumpset of single phase Panel Board with two level guard and auto start of ISI make approved quality, including cost of materials to site etc., complete as per standard specification.

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.

Labour charges for errection of 10 H.P submercible pumpset 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.

Supply and run of 2 of 1.5sqmm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade on 7/20 GI bearer wire for service connection mains SD 64.

Supply and fixing of TNEB meter Board suitable for 32A Single Phase service connection with 32A Fuse unit (500V) 32A neutral link and earth link (1" x 1/8" Copper flat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit. SD 125