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| 1 | TUBEWELL |
| 2 | Boring with casing pipe for tubewell in all soils except ordinary hard rocks requiring blasting including removing the casing pipe after the tube well is lowered & tested, equipment as requried such as hand boring machine and its accessory, transportation to site and vice versa etc. complete in all respect. |
| 3 | Boring with 300mm id Housing Pipe |
| 4 | 1. Erection and dismantling of boaring plant including all arrangement for the transportation of the boaring equipment to site of work from work from the store of contractor at site and back are to be made by contractor at his own cost. All rates should be quoted for supplying the material at site of work. Pits for collection of water and water for drilling tubewell be arranged by the firm / contractor at site at his own cost and levelled after the completion of work. |
| 5 | 2. In payment of bore shall be made upto the bail plug plus margin (7% of main bore drilling or as actual as per field requirement whihever is less) reqiured for sustaining the main bore. |
| 6 | Drilling of Test Bore Hole to be paid only for drilling depth paid if T/W is abandoned. (150 mtr @rs 500/- per mtr) |
| 7 | Supplying, lowering of MS Pipe as per IS: 4270-2001 including MS sockets having dimensions as per IS code duly welded with MS electrode to have extra strength to lower the pipe into tubewell bore. |
| 8 | 250mm i/d nominal diameter (weight 52.30 kg per meter) 8.00mm thickness |
| 9 | Supplying, Fixing & lowering of Stainless Steel Cage type wire wound screen as per IS:8110-2000 or latest ISI marked Duly welded with suitable grade S.S weldingelectrode.to lower the strainer into tubewell bore. |
| 10 | 250mm i/d Steel Strainer (slot size 0.15mm) 7.30 mm thickness |
| 11 | Supplying, Fixing & lowering of Stainless Steel soket as per IS 8110-2000 or latest ISI marked Duly welded with suitable grade S.S welding electrode to lower the strainer into tubewell bore complete in all respect.(250 mm i/d) |
| 12 | Supplying, lowering & fixing of M.S Special soket to connect S.S strainer to M.S pipe duly welded with suitable grade welding electrode complete in all respect.(250 mm i/d) |
| 13 | Supplying at site Wooden box of suitable size with Lid & locking arrangment for preserving strata sample collected from the bore. |
| 14 | Collection of water sample from different strata and testing of sample from approved laboratory (Physical & chemical Analysis) |
| 15 | Supplying and fixing well cap having thread to fix on housing pipe complete in all respect. |
| 16 | 250mminternal diameter |
| 17 | Supplying & fixing of bail plug of M.S. pipe complete with inverted U-hook attached to the bottom plug complete in all respect. |
| 18 | 250mm internal diameter (weight 52.3 kg per meter) 8.00 mm thickness |
| 19 | Supplying & fixing of M.S. Clamp of size 150mm x 12mm made out of MS Flat 1.52 m long, suitable to fit Housing pipe including the cost of Nut & Bolts of suitable size complete in all respects. |
| 20 | Development and stabillizing of the tubewell with air compressor of required capacity as directed by the engineer-in-charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge. |
| 21 | Capacity of Air compressor 300 cfm at 250 PSI |
| 22 | Development and stabillizing of the tubewell with submersible pump of required capacity as directed by the engineer-in-charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge. |
| 23 | Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide, Uranium etc.) |
| 24 | Supplying and fixing sanitary seal having rubber tight on housing pipe complete in all respect. As per BIS: 2800-2019. |
| 25 | Sterilization of Well. As per BIS: 2800-2019. |
| 26 | Rising Main |
| 27 | Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications & specials including cost of earth work in excavation & back complete in all respect. |
| 28 | 200mm i/d pipe of 10 Kg. /cm² |
| 29 | Providing & fixing C.I/D.I Flanged end, stem of SS (AIS 1410) and Bronze (gunmetal) working parts Sluice Valves ISI marked 14846-2000, including jointing, testing & cost of Nut, Bolt & insertion sheet, all carriage complete (with the approval of Engineer - in – charge) |
| 30 | 200mm i/d |
| 31 | Construction of masonry sluice valve chamber excluding Sluice valve cover as per standard design & drawings of public health department (1 no. each of size 0.9m x 0.9m) |
| 32 | Credit of old sluice valve 200 mm i/d |
| 33 | Pumping Machinery |
| 34 | Providing & Installing Testing & Commissioning of One No. Electrically driven Submersible Pumping set of reputed Make capable of delivering 966 LPM against a head of 75mtr. (30.00 BHP) complete in all respects. |
| 35 | i) Providing & Fixing ofElectric Control panel board Consisting of elctric appliances such as automatic Star Delta Push Button, (As per PSPCL norms) Main Switch, VM, Ampere, Meter, ELCB, Shunt Capacitor, Single Phase preventer, Indicating Lamps, Kit-Kat etc.complete in all respects. |
| 36 | ii) Providing & Fixing of submersible cable 10mm² =160 mtrcomplete in all respects. |
| 37 | iii) Providing & Fixing of G.I Column Pipe of 125mm i/d 41 mtr. complete in all respects. |
| 38 | Credit of Old Machinery of 22.50 BHP |
| 39 | Credit of old Submersible Cable |
| 40 | Credit of old Column Pipe (MS150 KG) |
| 41 | C.IFITTING INSIDE PUMP CHAMBER |
| 42 | Providing and installing 200 mm dia delivery main (From Tube well to Duck Foot bend including cost of C.I/D.F Pipes, D/F Sluice valves, D/F NRV & Specials as C.I Bends, Tail Piece Tees etc.. inside the pump chamber as per standard design complete in all respects. |
| 43 | Credit of old material (200 mm) |
