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| 1 | Boring with reverse rotary rig circulation method including electronic logging through any kind of strata of soil/rocks for drilling 675mm dia hole for depth not exceeding 60 mtrs deep below ground level by keeping sufficient space for packing pea gravel complete all as specified anddirected. |
| 2 | All as per serial item No. 1 here in before but depth exceeding 50 metre but not exceeding 100 metre. |
| 3 | All as per serial item No. 1 here in before but depth exceeding 100 metre but not exceeding 150 metre. |
| 4 | All as per serial item No. 1 here in before but depth exceeding 150 metre but not exceeding 200 metre. |
| 5 | Supplying, assembling, and lowering into bore hole 350mm (14 inch) bore dia MS casing pipe with 8mm wall thickness externally threaded and screwed ERW, in random lengths of 6 metre or as required, ISI marked including necessary fittings and jointing upto 60 mtrs depth from ground level, including providing two coats of anti-corrosive paint over a coat of primer on external surfaces of pipes complete all as specified anddirected. |
| 6 | All as per Sl Item No. 5 here-in-before but of 250 mm bore dia with 8mm wall thickness beyond 60metre below from ground level. complete all as specified anddirected. |
| 7 | Strainer (slotted) pipe 250mm bore, minimum wall thickness 8mm including screwed and socketed ends with coupling and socketed joints along with arc welding each length not exceeding 6 metre including lowering, duly painted with primer and two coats of anti corrosive paint complete all as specified anddirected. |
| 8 | Supplying and fixing 8 mm thick MS bail plug of 250 mm bore dia with 60cm lung MS pipe having wall thickness 8mm, with strong iron hook, screwed & arc welded to the casing pipe complete all as specified anddirected. |
| 9 | Supply and lowering into bore holes centering guide made out of MS flat iron of size 50mm x 6mm made to shape with two rings at 75 cm apart and three No. of ribs suitable for 250mm/350mm bore pipe complete all as specified anddirected. |
| 10 | Supplying and fixing of MS reducer of 8mm wall thickness screwed both ends of 350x250 mm size of length 600mm including jointing screwed and socketed along with electric are welding complete all as specified and directed. |
| 11 | Supply and fixing well cap 350 mm bore having internal threads and with welded iron handle of 20mm dia MS round complete all as specified and directed. |
| 12 | Housing clamps made out of mild steel plate 12mm thick of size 700mm x 150mm including nuts, washers and bolts 20mm dia fully threaded of suitable length for 350mm bore housing pipe complete all as specified anddirected. |
| 13 | Supplying lowering and packing pea gravel of size 1.6 mm to 4.00 mm all around the casing pipe and slotted pipe in the well bore to entire depth complete all as specified anddirected. . (Volume of pee gravel shall be measured asspace between bore well and outer dia of pipe) |
| 14 | Supplying and fixing 80 mm bore GI pipe medium grade 6 Mtr long, 4 Nos in the angular space on four sides of the bore well and 30 cm above the ground level with suitable cap at the end for feeding pea gravel complete all as specified anddirected.(Cost of gravel feeding is not included in this item ). |
| 15 | Supplying and fixing strata sample box made out of II class hard wood (hillock) with openable transparent glass shutter 3mm thick and locking arrangements, having not less than 20 compartment capable of holding 400 to 600gms of strata sample including painting wooden surfaces with two coats of synthetic enamel paint (grey)over a coat of pink primer complete all as specified anddirected. |
| 16 | Yield testing and stabilizing of the tube well by means of pumping by air compressor to obtain a minimum desire yield of 30000GPH for number of hours as required, complete all as specified anddirected. |
| 17 | Supply, Install, testing & commissioning factory made outdoor type dust and vermin proof LT panel board cubical double door hinged type compartmentalized of suitable size 415 volts, AC 50 Hz fabricated of CRCA sheet 3.15 mm thick machine pressed and angle iron frame 40 mm x 40mm x6mm grouted in PCC 1:2:4 type B1 (20mm graded stone aggregated) powder coated inside and outside complete including 4 pole copper bus bar of capacity 200 Amps (size 25mm x 6mm) mounted on porcelain insulators and enclosed in chamber and connection from incoming and outgoing electric cable with suitable size thimbles/lugs with open able shutters on both side and comprising of the following, complete all as specified anddirected. |
| 18 | Supplying, lowering, installing, commissioning and testing of submersible pumping set of capacity 1000 LPM at 100 metre head with outlet size 100mm bore including electric motor AC3 Phase, 400-440 volt, 50 C/S submersible not less than 45 HP capacity with the following accessories, complete all as specified anddirected.(a)Submersible cable PVC ofcopper conductor of size 35 Sqmm 3core two lengths of required length from panel to star delta starter and motor of submersible Pumping set installed not less than 60 metre below ground level. |
| 19 | Supply, lowering and jointing MS heavy duty flanged pipe 5.4mm thick 150mm bore (length not less than 3mtr each) MS flanged not less than 15mm thick on both side, with drilled holes and welded to MS pipe, including material and labour for jointing material with nuts, bolt, rubber packing complete all as specified and directed. |
| 20 | Supply, laying,connecting and testing 150 mm bore, ductile iron pipes tyton joint class K- 9 suitable for including rubber joint in standard working length conforming to IS 8329 laid in trenches complete all as specified and directed. |
| 21 | M&L for Ductile special fitting such as bends,tapers.tee pieces(single and double branch) any type and angle/radius and straight connecting pieces but all end flanged complete all as specified and directed . |
| 22 | S & F sluice valve, class PN-1.6, heavy duty, both ends flangedwith steel spindle & check nut, CI operating wheel and all nuts, bolts, washers, gaskets etc; including dismantling of old unserviceable sluice valve complete of the following sizes 150mm dia as specified and directed |
| 23 | Supply and laying XLPE insulated, armoured, heavy duty electric cable with cover pvc pipe aluminium conductor, 1100V grade, cross-sectional area 35 sqmm 3.5 core complete all as specified anddirected. |
| 24 | Excavation in trenches n. exc 1.5 mtr wide and not exc 1.5 mtr in depth for laying underground LT XLPEcable and getting soft/loose soil complete, complete all as specified anddirected. |
| 25 | M&L for Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified anddirected. |
| 26 | M&L for removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point all as directed and specified by Engr-in-Charge. |
| 27 | M& L for sand filling under floors or in foundations including watering and consolidation all as specified and directed. |
| 28 | Supplying andlayingun-reinforced precastconcretecablecover, butClass LV, Type I,flat,size 250mm x 150mm x 40mm all as directed and specified by Engr-in-Charge. |
| 29 | Development of Tube Well by 3 cusec of O.P unit upto 100hrs or more. complete all as specified anddirected. |
| 30 | Dismantling of interlocking and CC road including supplies all T&P, Labors etc. for proper completion of the work. complete all as specified anddirected. |
| 31 | Excavation for pipe line work soil mixed with morrum shingle, kankar including supplies all T&P, labours etc. for proper completion of the work. complete all as specified anddirected. |
| 32 | Re-instatement of interlocking and cc road etc. including supplies all T&P, labours etc. for proper completion of the work.complete all as specified anddirected. |
| 33 | M&L Water arrangement charges for during the drilling filling up the water and will be closed/dismentaling after completion of work. complete all as specified anddirected. |
| 34 | Logging of bore hole by electric logger and provide \"Geophysical borehole logging report\" in office. complete all as specified anddirected. |
| 35 | Demolition of boundry wall and making ramp for approach of ring machine in site the tubewell park and labour and required T&P charges complete all as specified anddirected. |
| 36 | Yield and verticality test of T.W along with chemical and Bacterialogical analysis report of tubewell\"s water will be submitted to office.complete all as specified anddirected. |
| 37 | Supply of servo stablizer 50KVA including material fitting labour complete all as specified anddirected. |
| 38 | Supply and fixingof 150mm dia DI/DF Tee including required nut bolts rubber packing etc. complete all as specified anddirected. |
| 39 | Supply and fixing of 150mm dia DI/DF bend including required nut bolts rubber packing etc. complete all as specified anddirected. |
| 40 | Supply and fixing of 150mm dia DI/DF NRV including required nut bolts rubber packing etc.complete all as specified anddirected. |
| 41 | M&L of electric pump and NRV/Filter pipe etc for dozing of sodium hypo suitable up to 2000 LPH Discharge of water speed control 0-100 with airrelease system.Dozing capacity 5 ltr/h and pressure 5kg/cm2 and insulation F class with one year warrantee.and fixing Chlorianting plant complete all as specified anddirected. |
| 42 | Construction the valve chambers as per type design including supply all materials labors for proper copmletion of the work. complete all as specified anddirected. |
| 43 | Provision for Crossing of nala complete all as specified anddirected. |
| 44 | Fitting of pump set complete all as specified anddirected. |
| 45 | M&L Construction of sub/super structure bricks Pump House (3.6mtr x 3mtr) height of celing 3.6 mtr & size of chlorine room (1.8mtr x 2.6mtr),for Tubewell with MS Grider on top with all material labour change etc all complete work will be executed as per attached drawing and directed by CEO & engineer incharge. |
