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| 1 | Providing Geological survey to fix the borewell point |
| 2 | Drilling of borewell any where in Tamilnadu including trans portation from one place to another place withinTamilnadu in alluvial soil or sedimentary strata of clayand 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 (only Calyx drills are to be used). (TWAD 22-23 P - 305) |
| 3 | Supply of 150mm dia PVC casing pipe (TWAD22-23 P - 22) |
| 4 | Labour charges for inserting 150mm O.D. PVC casing pipes assembly (with slot or without slots) in the drilled bore including jointing the pipe etc. complete (TWAD 22-23 P - 304) |
| 5 | Drilling 150mm dia vertical bore in hard rock to the required depth including charges for labour,fuel,water required for Crilling etc., completed.(TWAD 22- 23 P - 301) |
| 6 | Developing the borewell with air compressor of 300 cfm capacity (min 8 hours) including transportation labour and fuel charges for compressor as directed by corporation yield test by \"V\" notch method. (TWAD 22-23 P - 305) |
| 7 | THREE PHASE SUBMERSIBLE PUMPSET SUITABLE FOR 150MM DIA - 5HP BOREWELL AS PER IS 8034/2002 WITHOUT PANEL BOARD Supply and delivery ofclear water vertical wet type submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes, The pump shall be with stainless steel shaft and dynamically balancex bronze or Cast SS impeller, brass screws and CI FG200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continuos rated two pole suitable wet type vertical squirrel cage induction motor asper IS 9283 / 1985 as amended there after, suitable for operation in AC three pohase 415 V +/-10%, 50HZ +/-5%, 50lpm x 100m(TWAD 22 -23P - 102) |
| 8 | Supply and delivery of PVC insulated and sheathed 4 sq.m copper cable conforming to IS 694/1990 suitable for submersible pump set.. (TWAD 22-23 P - 120) |
| 9 | THREE PHASE PANEL BOARD - D.O.L.WITH TWO LEVEL GUARD AND AUTO START Supply and delivery of direct online starter confirming to IS13947 and IEC 947 suitable KW rating for operation in AC/single Phase/50HZ(+5% and ) 415 V(+10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitr, running capacitor and On/Off Push button switches, 5way connector,wiring with 1sq.mm/1.5 sq.mm copper PVC insulateed cable. powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately)-5HP (TWAD 22-23 P - 114) |
| 10 | Supply of PVC pipe and G.I pipes and PVC pipe & Specials.40mm UPVC Pipe |
| 11 | Nylon Rope |
| 12 | 40mm x 32mm Bush |
| 13 | 32mm GI bend |
| 14 | 32mm Flange set |
| 15 | 32mm GM gate Valve |
| 16 | 32mm GM non return Valve |
| 17 | 32mmGI elbow |
| 18 | 32mm GI Pipe (area pipe line) |
| 19 | 32mmGI Coupling |
| 20 | 11/4 \" x 3/4\" G.I Tee |
| 21 | 11/4 \" Gi Elbow |
| 22 | 32mm CPVC Pipe (P - 24) |
| 23 | 32mm CPVC Coupler (P - 27) |
| 24 | 32mm CPVC Elbow (P - 27) |
| 25 | 32mm CPVC Tee (P - 27) |
| 26 | Labour charges for erection of submersible pump set bore well including fixing and jointing submersible cable with proper clamps pressure gauge up to the exterior wall of pupm room kisok and erection of panel board consisting of TPCIN switches starter volt meter ammeter three indicator tamp capacitor single phase preventor ater level guard laying and jointing if cables and earthing complete the pumpset on trial for 3 days. (TWAD 22-23 P - 308) |
| 27 | Supply, delivery & fixing of HDPF tank of 1000 lit capacity as per ISI 2701/1996. (TWAD 22-23 P -89) |
| 28 | GST 18% |
