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| 1 | Construction of 2nos production wells including scientific source finding through consolidated and unconsolidated rock with down the hammer drilling rig or combination rig with PVC pipe and installation of submersible pump set with all acessoriesLabour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rig or combination rig as required to suit the site condition as per the direction of the Engineer in charge including use of own rig with its accessories, tools and plant and consumables etc for lowering of 200mm/150mm dia G.I/P.V.C/M.S casing pipes for housing fitted with socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation (G.I/ P.V.C/ M.S casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and withdrawing after completion of the tube well), 200mm dia to 400mm dia in overburden portion including packing of gravel supplied by the contractor for 400mm dia bore onlyDrilling of 200mm dia bore00 mtr to 65mtr |
| 2 | 65 mtr to 190mtr |
| 3 | Drilling of 150mm dia bore190 mtr to 370 |
| 4 | Lowering the following size of G.I/P.V.C/M.S housing pipes with or without slotted pipes as per the necessity from ground level up to 45.00m depth and fitted and fixed up in perfectly vertical position including cutting and threading of pipes and slotted pipes and supplying and fixing all jointing materials, tools and plant etc all complete and keeping the top of casing pipe threaded including plugging tube wells to prevent entry of foreign materials.200mm dia PVC pipe00 mtr to 45 mtrs |
| 5 | Supplying polyvinyl chloride pipes as per ASTM-D-1785-89 having threads in accordance with DIN 2999 part-1/DIN-42225 part-II specification length of pipe (laying length) will be 3 mtrs. The pipes shall be supplied with both external and threaded with free socket. The pipe having external thread at one end i.e female and or belled end. The female end having internal thread is to be belled in order to accept the male end while jointing pipes with a bore threading shall be provided with a greave at the roof of the male thread accomodate flexible PVC/Rubber 'O' ring to make the joint water tight colour of the pipe shall be blue. The name of the manufacture along with batch No class of pipe shall be stranded legibly of each pipe length.200mm dia PVC (sch-80) pipe |
| 6 | Supplying all materials, labour, T&P and providing and providing sanitary sealing by cement concrete grouting of annular space around GI/PVC/MS housing pipe upto 5m below ground level (as per drawing) to plug the bore hole excluding cost of cement all complete as per direction of the Engineer in charge. Minimum one metre of casing pipe to be inserted in the bore into the rock at the bottom to ensure sanitary sealing (excluding cost of cement which will be supplied directly by the department) |
| 7 | Cleaning and developing the tube well with supply of compressor worked till clear and adequate discharge is obtained from the tube well including supply and use of all necessary equipment and labour as per direction of the Engineer in chargeBy DTH Rig |
| 8 | Supplying all materials, equipment, labour & conducting reconnaissance survey, integrated Hydrological and Geophysical (Electrical Resistivity Method) survey & selection of potential source for exploration of Ground Water including selection and recommendation of site for drilling wells in selected locations in any part of Orissa under the following Geological formation:Rocky terrain with boulder formation for 300m depth |
| 9 | Supplying all materials, labour, T&P and providing, fitting and fixing submersible pump with squirrel cage induction type submersible type submersible electric motor to run on 3 phase/1 phase line voltage ranging from 320 volt to 450 volt conforming to IS: 8034/89 with following specifications with suitable control panel, jointing with GI/PVC/HDPE pipes, electrification, testing, commissioning, trial running, conveyance of all materials to worksite, payment of taxes etc all complete as per specification and direction of the Engineer in charge (Texmo/Crompton Greaves/Kirloskar make) 2 H.P. Single phase/ three phase 3 stage head renge of 20 to 35 mtr with discharge capasity 145 to 110 L.P.M With outlet dia 25 mm |
| 10 | DOL Control panel |
| 11 | 40mm dia steel short piece |
| 12 | Well cap |
| 13 | 50mm size CI bracket |
| 14 | 2.50sqmm flat cable |
| 15 | Steel rope with cover |
| 16 | Labour charges for lowering including transportation |
| 17 | Supplying all materials, labour, T&P and providing and fixing to wall or ceiling and floor HDPE pipes and pipe fittings conforming to IS: 4984/2000 (10kgf/sqcm) of the following nominal bore with clamps and jointing by Fusion welding method including testing, making good the wall, ceiling and floor all complete as per specification and direction of the Engineer in charge Please Enable Macros to View BoQ information |
