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| 1 | Tubewell |
| 2 | Drilling of 550mm dia bore with Reverse Rotary Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to site complete in all respect. (a) Drilling of 550 mm dia bore with Reverse Rotary Rig up to 150mtr. Depth BGL Note: 1. Erection and dismantling of boaring plant including all arrangment for the transportation of the boaring equipment to site of 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. Plts 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. 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) required for sustaining the main bore. |
| 3 | 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. (e) 250mm nominal diameter (weight 52.3 kg per meter) 8.0mm thickness |
| 4 | Supplying, lowering of Stainless Steel Cage type wire wound screen as per IS:8110-2000 or latest with SS socket to connect Stainer to Strainer Duly welded with suitable grade S.S welding electrode. to lower the strainer into tubewell bore. (s) 250mm Steel Strainer (slot size 0.75mm) 7.30mm thickness. |
| 5 | Supplying, Fixing & lowering of Stainless Steel socket 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. |
| 6 | Supplying, lowering & fixing of M.S Special socket to connect S.S strainer to M.S pipe duly welded with suitable grade welding electrode complete in all respect. |
| 7 | Making electric logging of borehole with electronic well logger including cost of equipment at site etc. complete in all respects. |
| 8 | Supplying and fixing mild steel centering guides made out of 32mm X 6mm thick M.S bar complete in all respect |
| 9 | Supplying at site Wooden box of suitable size with Lid & locking arrangment for preserving strata sample collected from the bore. |
| 10 | Supplying at site of gravel of 1/16\\" to 1/8\\" sizes including pouring and packing in the annular space between the pipes assembly and the bore.The gravel should be free from, dust,dirt, or the vegetable manner as per IS 4097/2003 with latest amendments. (to be paid as per actual length of pipe) |
| 11 | Supplying of tibba sand/ local sand over packing & clay seal upto G.L. below pipe assembly & bore including carriage complete in all respect. |
| 12 | Supplying and fixing sanitary seal having rubber tight on housing pipe complete in all respect. (As per IS: 2800-2019) |
| 13 | Supplying of clay to provide impervious layer in below pipe assembly & bore above gravel packing all including carriage (As per IS: 2800-2019) |
| 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. (d) 250mm internal diameter |
| 16 | Supplying & fixing of bail plug of M.S. pipe complete with inverted U-hook attached to the bottom plug complete in all respect. (d) 250mm internal diameter (weight 52.3 kg per meter) 8.00 mm thickness |
| 17 | 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. |
| 18 | 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. (a) Capacity of Air compressor 300 cfm at 250 PSI |
| 19 | 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. |
| 20 | Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide, Uranium etc.) |
| 21 | Sterilization of well on completion of tubewell as per BIS:2800:2019. |
| 22 | Pumping Main |
| 23 | Providing, Stringing out PVC pipe Trenches and laying the same in Trenches To correct alignment and gradients, Excavation, cutting. Jointing and testing, including back filling complete as per specifications. 250mm o/d PVC pipe 10 kg/cm 2 |
| 24 | 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) (d) 250mm i/d |
| 25 | Construction of Masonary Sluice Valve Haudies 0.9 X 0.9 |
| 26 | Pumping Machinery |
| 27 | Providing and installing Panel board, submersible cable & column pipe complete in all respect. Panel Board |
| 28 | Cable (Size/Cost) 6mm2= 100 mtr. |
| 29 | Column Pipe (G.I)( Size/Length) (100mm i/d= 43 mtr.) |
| 30 | Credit of old Pumping Machinery, Cable and Column pipe |
| 31 | Disinfection Unit & Automated Water Controller |
| 32 | Providing installing testing& commissioning one no. Electronically actuated, Diaphragm operated, metering system, chemical Dosing Chlorinator, suitable for delivering 0.5 to 6 liters of Bleaching powder solution/sodiun Hypo-Solution per hour under maximum delivery pressure upto 7 ka.cm 2 and suction lift not less than 1.5 m as per DWSS standard specifications. |
| 33 | Supplying,fixing and testing at site Automatic electronic type water level indication system with gun metal float sensor and electrical cable suitable for three phase pump submersible / monoblock to be fixed on existing panel for OHSRs complete in all respects. |
| 34 | Environmental Charges |
| 35 | Digging of pits in all kinds of soil & refilling the same, with the excavated earth mixed with well decayed farm yard manure @ 30% of pit volume and insecticide for termite control |
| 36 | Supplying and planting permanent trees in prepared pits and watering |
| 37 | Planting seasonal flower in beds (a) Planting seedlings including digging of beds to 15 cm depth and mixing FYM, fertilizer and insecticides, planting of seedlings at 20cm distance from plant to plant and row to row. |
| 38 | Planting ground covers (ordinary) including digging of beds to 15 cm depth and mixing FYM, fertilizer and insecticides, planting of sapling at 25cm distance from plant to plant and row to row. Please Enable Macros to View BoQ information |
