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| 1 | Drilling of 685.8mm dia by hydraulic rotary drilling (Reverse circulating method generally according to ISI specification no. 288-1991 (Part-1)as amended up to date) but modified to the extent of the specifications attended with the schedule of rates item of work in all kind of soils, boulders up to 125mm dia except rocky strata including cost of all consumable stores. Fuels, oils, soil, establishing material and transportation of ring and other accessories to the site of proposed bore and back complete in all respect, to the entire satisfaction of Engineer-in-charge |
| 2 | Supplying and lowering 316 mm outer dia ERW Steel blind pipe, wall thickness of 8mm thick as per 4270-1993 as amended upto date only ISI marked housing pipes in 4mts. To 7mts. Random length with 46.20mm of threaded ends thread to an inch or 25.48mm manufacture out of 8.0 mm thick M.S. plates with required number of M.S. suckers width inside threads to match the pipe threads & made out of M.S. plates into borehole. In vertical position including cost of all scaffolding derricks, in pole tools and plates ropes & gays M.S. clamp embedded in foundation etc. completed in all respect to the works including cost of all cutting and threading of pipes where required and all suckers. |
| 3 | Supplying and lowering 316 mm outer dia ERW Steel slotted pipe, IS: 4270-1992 (with upto date amendments) duly ISI mark in random length and with design of slots as per IS: 8110-1985 and ISI 1800-1991 part-I with up to date amendments and with circumferential well made out of 8 mm thick M.S. sheet these will also be screwed with required number of M.S. socket of specification as per item number -2 above for jointing the slotted length and plan E.R.W. steel pipe. |
| 4 | Supplying and fixing of well threaded M.S. cap for 320mm outer dia of blue casing pipe ISI 1281-892 (as amended up to date) to the satisfaction of Engineer-in-Charge |
| 5 | Providing and fixing in position suitable bail plug with hook of 320mm as per IS: 226-1975 (with up to date amendments) including the cost of M.S. screwed socked etc. complete in all respects to the entire satisfaction of the Engineer-in-charge |
| 6 | Providing and fixing of M.S Clamp of 100 mm x 800 mm long with 10 mm thickness heavy duty for holding of lowering pipes. |
| 7 | Development of tube well Bore according to clause 9.3 of ISI 2800-1991 as emended p to date specification attached or as directed by the Engineer-in-charge of including the cost of all consumable stores, fuel, oil, compressors, pumps, other tool and plant and machinery etc. as required for this work (a) Development is done by aircompressor of capacity 600 CFM/250 ISI |
| 8 | Supplying and lowering of 20 HP , 05 stage , Head 70 Mtr., 1000 LPM, submergible motor pump CRI , KSB , HINDUSTAN etc. make with all charges loading/unloading, Transportation complete in all respects. |
| 9 | Supply of water tankers of 20,000 liter capacity. |
| 10 | Material required for Mechanical Works, detail given below Supply of 100 mm pump nipple new making with flange |
| 11 | Supply ofPanel Box Hut (MS) |
| 12 | Supply of 30 HP control panel with ammeter , voltmeter , MCB , O/Relay 23 to 32 Amp , contactors etc. of make BCH , L&T , C&S , Havells complete in all respects. |
| 13 | Supply of100 mm Tee CI (100x100x100) ISI marked |
| 14 | Supply of100 mm duck foot CI bendISImarked |
| 15 | Supply of100 mm CI bend ISI mark |
| 16 | Labour charges for making tee connection with existing line excavation, cutting, joining and making connection with existing line complete in all respects. |
