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| 1 | Geological investigation charges preparation of geological survey report etc., complete |
| 2 | 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 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. ( WD-W0794 to WD-W0796) First Depth of 60mt( 0.00 mt to 60.00 mt) |
| 3 | 60.00 mt to 90.00 mt |
| 4 | 90.00 mt to 100.00 mt |
| 5 | Supply and delivery of drilling of 150mm Dia bore well in hard rack area in including labour charges for drilling and development charges for caching pipe in over burden soils all cost and conveyance etc., complete. (WD-M0027) 150mm PVC Casing Pipe |
| 6 | Supply & delivery of following sizes of 63mm HDPE PIPES confirming to IS 4984/2016.(WD-M0185) 63mm HDPE PN6 Pipe |
| 7 | Supply and Delivery of following specials with ISI making as per standard specifications (MEDIUM) Nylon rope 10mm thick (M-1072) |
| 8 | 160mm PVC End cap (WD-M0115) |
| 9 | 2.5 Sq.mm 3 core copper cable (WD-M1974) |
| 10 | Supply and delivery of Single Phase 2 HP clear 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 balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 % (20 lpm x 150 m head) (WD-M1598 ) |
| 11 | Erection of power pumps in borewell labour charges for erection of twin packer duplex type jet pumps in borewells upto 150 mm dia including fixing of Suction pipe regulating valves with jet assembly upto a maximum depth of 30 m and delivery pipe valves pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three indicator lamps capacitor and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumps and trail run for 10 days including signing of completion of reports as required by EB authorities and finishing the pipe holes including the foundation bolts, nuts and earth pits. (WD-W0868) |
| 12 | Supply, delivery for G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications and as directed by engineers of the following sizes. 32mm GM Gatevalve - (WD-M0618) |
| 13 | Supply and delivery of direct online starter confirming to IS13947,IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three 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 capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately).(WD-M1909) |
| 14 | Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc., (WD-M1416) |
| 15 | Provision for GST 18 % 32mm Pipe Please Enable Macros to View BoQ information |
