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Dismantling and reinstallation of Borewell at Utility 01
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 (bwith zero tolerance as water used for drinking purpose, no sand contenet will be allowable), 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 tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge.
JJM Scheme in Gomati District Tripura / SH- Quality improvement of Rural Water Supply Schemes by way of construction of 2(Two) Nos. of 2500 GPH and 5000GPH Capacity Package Type Iron Removal Plants (IRPs) attached to existing deep tube wells in/c.
Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth livel:- i) 1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 40 mm nominal size).
Work of Repairing of Valve Chamber, MS fabrication, Tube well Deepening and Carriage of Material, Earth Filling etc works at Various JJY and Regular Schemes under JEN Section Rural and Urban Sub Division Malpura under Jurisdiction of Division Malpur
Deepening of existing tube well by DTH system beyond existing depth up to 100 mtr. and above in all type of rocks including flushing of tube well and obtaining sand free water.
PROVN OF BOREWELL AND INTERLINKING OF EXISTING BOREWELL AT JORHAT MIL STN
Drilling pilot bore hole of 300 mm dia by Rotary Drilling Method (Direct Circulation Method) as described in IS 2800: 2019 in any kind of soil strata including hard stone/boulder beyond 60 metre depth upto 120 metre depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log all complete all as specified and directed.
Sinking of 20 Nos. 125 mm x 45 Mtr deep Gravel packed Tube Well (GPT) & 10 Nos. 125/115mm dia x 70 Mtr. Drilled Tube Well with IM II Hand Pump P.C.C. 1.85 meter dia circular platform and 3 meter long P.C.C. Drain with 1.0m diameter 2.0 metre ... providing drinking water ...
4 24.12 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 develo ped, 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.. 0.5 Hr. P/Hr. 916.8
FD WSS BOREWELL
12. Scope of Work Supply, Construction and testing of Bore well of appropriate dia and Mild steel Electric Resistance welded casing pipe (Heavy grade) as per IS-4270 upto a specific depth to give minimum discharge of 6-8 LPS at suitable head so as to est water point at vertical height of upto 50mtr above the ground level at a suitable capacity along with connected accessories incl est of water point/stand post.. as per technical specification and drawing attached at tender documents.