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| 1 | Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, up to 90 metre depth below ground level. Rocky strata including Boulders 300 mm dia.(The payment will be made to firm only on getting sufficient discharge) |
| 2 | Supplying, assembling, lowering and fixing in vertical position in bore well un-plasticized PVC medium well casing (CM) pipes of required dia, conforming to IS: 12818, including required hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 200 mm nominal size dia. |
| 3 | Supplying, assembling, lowering and fixing in vertical position in bore well un-plasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 200 mm nominal size dia. |
| 4 | Gravel packing in tube well construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge. |
| 5 | Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/ plain ended casing pipes of required dia, conforming to IS: 4270, of reputed and approved make including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. 100 mm nominal size dia. |
| 6 | Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by \"V\" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tube well, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. |
| 7 | Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. 100 mm clamp |
| 8 | Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of :300 mm dia |
| 9 | Providing and laying D.I. specials of class K-12 suitable for push-on jointing as per IS : 9523 : Up to 600 mm dia |
| 10 | Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket : 100 mm dia pipes |
| 11 | Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS : 8329 :100 mm dia Ductile Iron Class K-9 pipes |
| 12 | Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) :100 mm diameter Class II |
| 13 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived fromnatural sources : 4 graded stone aggregate 20 mmnominal size derived from natural sources) |
| 14 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : Pipes, cables etc. exceeding 80 mm dia but not exceeding 300 mm dia |
| 15 | Providing and fixing gun metal non- return valve of approved quality (screwed end) : 100 mm nominal bore Vertical |
| 16 | Supply and fixing 6mm dia pre-coated PVC stainless steel rope for anchoring of motor with all required accessories like hook, clamp etc complete as per direction of Engineer in charge. |
| 17 | Supplying and installating of1.1 KV grade 16 Sqmm 3 core Copper Conductor submersible cable from submersible pump to panel of (MakeHavells/Polycab) |
| 18 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) |
| 19 | Providing and fixing G.I. pipes complete with G.I. fittings as per direction of Engineer -in- charge External work 100 mm dia nominal bore |
| 20 | Providing and fixing G.I. Elbow in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) : 100 mm nominal bore |
