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| 1 | Charges for Conducting Geo Physical Survey |
| 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. - 0m to 60m Depth |
| 3 | 60m to 90m Depth |
| 4 | 90m to 120m Depth |
| 5 | Reaming of 150mm Dia Borewell to 300mm Dia Borewell as directed at site - 0m to 60m Depth |
| 6 | 60m to 90m Depth |
| 7 | 90m to 120m Depth |
| 8 | Labour charges for inserting casing pipe supply & packing of pebbles |
| 9 | Supply & delivery of 150mm Dia PVC Plain Casing pipe as per IS 12818 / 2010 |
| 10 | Supply & delivery of 150mm Dia PVC Slotted Casing pipe as per IS 12818 / 2010 |
| 11 | Supply & delivery of 160mm Dia PVC End Cap |
| 12 | Charges for developing the borewell using air compressor in hours of 300 CFM Capacity |
| 13 | Construction of bore Pit Including all labour Charges |
| 14 | Supply & Delivery of vertical Type Submersible Pump set Discharges : 200m & 50 LPm for 150mm dia Borewell as per IS 8034 |
| 15 | Supply & Delivery of control panel board suitable for Three phase Submersible motor with two level Guard & Auto start |
| 16 | Supply & Fixing of 50mm GI Pipes |
| 17 | Supply & Fixing of 50mm GI Coupling |
| 18 | Supply & Fixing of 50mm GI Elbow |
| 19 | Supply & Fixing of 50mm GM Gate Valve |
| 20 | Supply & Fixing of 50mm GM NR Valve |
| 21 | Supply & Fixing of 50mm GI Flange set |
| 22 | Supply & Fixing of 50mm MS Clamp set |
| 23 | Supply & Fixing of 50mm GI Union |
| 24 | Supply & Fixing of GI Reducer heavy -65mm x 50mm |
| 25 | Supply & Fixing of GI Reducer heavy -80mm x 65mm |
| 26 | Supply & Fixing of PVC Threaded Coupler -90mm x 80mm |
| 27 | Supply & fixing of 4.00 Sqmm 3 core flat type copper cable as per IS 694/1990 |
| 28 | Erection Chagres to new submersible pump set & Fixing of new Control panel board |
| 29 | Supply, delivery, Laying and Jointing of 90mm Dia PVC 4ksc Pipes including Earthwork Excavation in all Strata Soil, Refilling and hydraulic testing, adopting Standard Specification and as Directed by Twad Board Officers |
| 30 | Supply & Fixing of PVC Specials as per BIS 10124 / 1988 Part 1 to 13 & BIS 7834 / 1975 with ISI marks to site of Works - 90mm PVC Bend |
| 31 | Supply & Fixing of PVC Specials as per BIS 10124 / 1988 Part 1 to 13 & BIS 7834 / 1975 with ISI marks to site of Works - PVC Threaded Coupler -90mm x 80mm |
| 32 | Supply & Delivery of GI Pipes medium Class as per IS 1239 / part 1 / 1990 with ISI marks to site of Works - 80mm Dia GI Pipes |
| 33 | Supply & Fixing of GI Specials with ISI marks to site of Works - 80mm Dia GI Elbow |
| 34 | Supply & Fixing of GI Specials with ISI marks to site of Works - 80mm Dia GI Coupling |
| 35 | Laying and Jointing of GI Pipes with GI Specials and PVC Specials etc Please Enable Macros to View BoQ information |
