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| 1 | Drilling of 500mm dia bore with Reverse Rotatry Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. complete in all respect. |
| 2 | Drilling of 500mm dia bore with Reverse Rotatry Rig Upto 150 m depth BGL. |
| 3 | 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. 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. |
| 4 | 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) requred for sustaining the main bore. |
| 5 | Supplying, lowering of MS pipe as per IS: 4270-2001 includingMS Sockets having dimensions as per IS code duly welded with MS electrode to have extra strength to lower the pipe into tubewell bore. |
| 6 | 250mm i/d 8.00 mm thickness ( Weight 52.3 Kg per mtr.) |
| 7 | 150mm i/d 5.40 mm thickness ( Weight 21.6 Kg per mtr.) |
| 8 | 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 welding electrode to lower the strainer into tubewell bore. |
| 9 | 150 mm Steel Strainer (slot size 0.75) 5.00 mm thick. |
| 10 | Providing and fixing M.S. taper / reducermade out of 6 mm thick M.S. sheet completein all respect. |
| 11 | Reducer 250mm x 150 mm |
| 12 | 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. |
| 13 | 150mm internal diameter |
| 14 | Supplying, fixing and lowering of stainless steel sockets as per IS:8110-2000 or latest, ISI Marked duly welded with suitable grade SS welding electrode to lower the strainer into tubewell bore complete in all respect. |
| 15 | 150 mminternal diameter |
| 16 | Supplying and fixing mild steel centering guides made out of 32mm x 6mm thick M.S bar complete in all respect. |
| 17 | Supplying & fixing of well cap having thread to fix on housing pipe complete in all respect. |
| 18 | 250mmi/d |
| 19 | Supplying and fixing mild steel clamps of 6\" x½ (150mm x 12mm ) mild steel flat 5 ft (1.52 mtr) long suitable to fit the housing pipe including the cost nuts & bolts of suitable size complete in all respects.. |
| 20 | Supplying at site Wooden Box of Suitable size with Lid & locking arrangement for preserving strata sample colleted from the bore. |
| 21 | 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 4097/1967 with latest amendments (to be paid as per actual length of pipe) |
| 22 | Development and Stabilizing 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. |
| 23 | Capacity of Air compressor 300 cfm at 250 PSI |
| 24 | Development and Stabilizing 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-incharge. |
| 25 | Collection of water sample from different strata and testing of sample from approved laboratory (Physical & chemical Analysis) |
| 26 | Testing of Water sample for heavy metal fromapproved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide, uranium etc.). |
| 27 | Supplying and fixing of bail plug of M.S pipe complete with inverted U-hook attached to the bottom plug complete in all respect. |
| 28 | 150mm i/d5.40 mm thickness (weight 33.6 kg per mtr.) |
| 29 | Supplying of tibba sand/local sand over packing of gravel & clay seal upto G.L below pipe assembly and bore including carriage complete in all respect. As per IS 2800:2019. |
| 30 | Sterilization of well as per IS 2800:2019 |
| 31 | Supply & fixing sanitary seal having rubber tight on housing pipe complete in all respect as per IS 2800:2019. |
| 32 | Supplying clay to provide impervious layer below pipe assembly and bore above gravel packing including carriage as per IS 2800:2019. |
| 33 | Pumping Main |
| 34 | Providing, Laying, fixing & jointing of P.V.C Pipes (10kg/cm2 pressure) 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 including excavation & back filling leveling complete in all respect as per specifications. (Earth work mechnically)PVC pipe160mm o/d rising main (prop. tubewell to Exist point) |
| 35 | Pumping Machinary |
| 36 | Providing & installing,testing & commisioning of 1 noelectrically driven Submersible Pump set of 15.00 BHP KSB make capable of delivering 499 LPM against a head of 63 mtr. Complete in all respects. |
| 37 | Prov. & Fixing of Electric Panel Board consisting of electrical appliances such as automatic Star Delta Push Button or oil imeersed starter, Main Switch, VM, AMpere Meter, ELCB, Shunt capacitor. Single phase, preventer, Indicating lamps, Kit-Kat etc. complete in all respects. |
| 38 | Prov. & Fixing of Submersible Cable 4.00 Sq.mm. (36 x 2 = 72 mtr.) |
| 39 | Prov. & Fixing of Column pipe (80 mm) |
| 40 | Credit of old existing pumping machinery. (20.00 BHP) |
| 41 | Credit of old existing submersible cable. (6.00 Sq mm ) |
| 42 | Credit of old existing column pipe. (100 mm ) |
