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| 1 | Geological survey Report: Investigation for water yeild point in various place to condutivity water yeid test in Aluvial soil (or) sedimentry strata of clay and sand (or) sand stone shale boulders the site will be show by the local bodies officers incharging all charges for tools and masonry and Transportation charges etc Complete |
| 2 | 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 (only Calyx drills are to be used). |
| 3 | Supply and Delivery of 150mm CS PVC casing pipe (with slots or with out slots) as per IS 12818/2010 inclusive of all taxes, duties and transportation charges to stockyard any wher in tamil Nadu. Unloading stacking at stock yard to sitearea extra. |
| 4 | Reaming from140/150mm Pilot bore to 350mm size bore as directed by the TWAD Board officers |
| 5 | BT Road Cutting in the water supply line including all cost and conveyance charge etc complete |
| 6 | Earth Work Excavation and Deposting on the bank with initial lead and lift of 10m and initial lift of 2m in Hard Stiff Clay , Stiff back cotton Hard red earth Muram gravel storng earth and earth mixed with small size boulders and hard gravelly soil SS20B |
| 7 | Supply and Delivery of Speciales |
| 8 | 160mm PVC End cap |
| 9 | 50mm HDPE pipe |
| 10 | 50mm GI Coupling |
| 11 | 50mm Hex Nipple |
| 12 | 50mm GI Bend |
| 13 | 50mm GI Union |
| 14 | 160mm HDPE Pipe |
| 15 | 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 |
| 16 | Charges for developing the bore well with air compressor of 300CFM Capacity (Minimum 8 hours) including transportation labour and fuel charges for Compressor as directed by TWAD Board officers and conducting yield test by \"V\" method |
| 17 | Supply and delivery ofClear water vertical wet type submersible pumpset suitable for 150mm dia bore well 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 continuos 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% ,50HZ +/- 5 % (10HP submersible pump set 300Lpm x 75m head) |
| 18 | Supply and Delivery of star-Delta stater confirming to IS 13947 and IEC60947-1 suitable KW rating for operation in AC/Three Phase /50HZ (+/-5%) and 415V (+/-10%) including 3 pole magnetic contactor with under voltage releasec-3nos,CT operated Ammeter (65mm dia) with suppressed scale voltage (65mm dia), Voltmeter sector switch, miniature circuit breaker Thermal Overload relay, Air break contactors suitable for next standard higher KW rating single phasing preventor dry running preventor and ON /OFF push button switches wiring with 1sq.mm/4sq.mm copper pvc insulated cable,powder coated vermin proof box, including the capacitor ,the cost of capacitor is to be taken separately including all cost etc Complete |
| 19 | Supply and delivery 4.00sq.mm 3 core flat type copper cable including all cost etc Complete |
| 20 | Supply and Delivery of 25mm Nylon rope including all cost etc Complete |
| 21 | Labour charges for errection submersible pumpset in bore well /open well including fixing and jointing submersible cable with proper clamps up to the stater to required depth and also fixing of riser pipes to the required depth valves errection clamps,pressure gauge upto the exterior wall of pump room and errection of panel board consisting of TPICN switches stater, voltmeter,Ammeter,three pilot lamps capacitor single phasing preventor,water level gured and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10days (10HP Motar) |
| 22 | Laying and lowering PVC Pipes and Specials to trench and laying to proper grade and alignment and directed by the TWAD officers including Conveyance of water for filling during testing . |
| 23 | 50mm HDPE pipe |
| 24 | 160mm PVC Pipe |
| 25 | Refilling the excavated earth including all cost etc Complete as per standered specification. |
