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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, upto 90 metre depth below ground level.All types of soil. 400 mm dia |
| 2 | Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and 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 unplasticized 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-charge200 mm nominal size dia |
| 4 | Gravel packing in tubewell 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 | 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.200 mm clamp |
| 6 | Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I).200 mm dia |
| 7 | 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(beyondpermissiblelimit),withrequiredcapacityair 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 tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. |
| 8 | Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. 50 mm dia nominal bore |
| 9 | Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. 80 mm dia nominal bore |
| 10 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 50 mm dia nominal bore |
| 11 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 80 mm dia nominal bore |
| 12 | Providing and filling sand of grading zone V or coarser grade, all- round the G.I. pipes in external work : 50 mm diameter pipe |
| 13 | Providing and filling sand of grading zone V or coarser grade, all- round the G.I. pipes in external work : 80 mm diameter pipe |
| 14 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) : 50 mm nominal bore |
| 15 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) : 80 mm nominal bore |
| 16 | Total in Rs. |
| 17 | Modified estimated cost after using correction factor on DSR 2023 on account of GST @ 0.973 as per CPWD File No.58/SE (TASyGST/2024/02-E dated 08.08.2024 |
| 18 | Add Cost index @ 10.28 % on DSR 2023 |
