Borewell & Tubewell Works Tenders

come across up to full depth of tube well of Twenty Eight

Providing and fixing filter of minimum 100 litre capacity for roof top rain water harvesting through tube well consisting of two layered HDPE tank with five layers (each layers of minimum 100 mm) consist of coarse sand,4mm, 6mm, 8mm & 12 mm gravels With stainless steel wire mesh fixed between each layer with suitable length and sufficient umbers of 110 mm dia PVC pipe pieces in the bottom of tank to support the above layer including fixing of inlet and out let P.V.C. pipe of required diameter upto 2 metre length on each side, Cement Concrete plateform of required size complete as directed by Engineer in charge. (excluding cost of tubewell and inlet and outlet pipe beyond 2 metre)

[33.19]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 and draw down etc. by step draw down method, collecting water samples and getting tested in approved laboratory, i/c disinfection of tube well, all complete, including hire and labour charges of air compressor, tools and accessories etc., all as per requirement and direction of Engineer-in-charge. [Through Rate]

115 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 developed, measuring yield of well by 'V' notch method or any 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. 16.00 16.00 Hour 916.80 14669.00

Construction of 1 no production well including scientific source finding through consolidated and unconsolidated rock with down the ODEX drilling rig with PVC, GI, MS pipe and installation of submersible pump set with all accessories.Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with combination drilling rig as required to suit the site condition as per the direction of Engineer-in-charge including supply of own rig with its accessories, tools and plant and consumables etc. for lowering of 200mm /150mm dia M.S. Pipe / PVC casing fitted with socket and with or without well screen as per the necessity for sub-medium hard and boulder formation (M.S./PVC casing pipe if required to prevent collapse of over burden is to be provided by contractor including lowering and withdrawing after completion of the tube well) 200mm dia x 400mm dia in over burden position inlcluding packing of gravel supplied by Contractor for 400mm bore only etc as per direction of Engineer incharge.Drilling for 200mm dia bore . 00mtr to 20 mtr

Construction of 1 no production well including scientific source finding through consolidated and unconsolidated rock with down the ODEX drilling rig with PVC, GI, MS pipe and installation of submersible pump set with all accessories.Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with combination drilling rig as required to suit the site condition as per the direction of Engineer-in-charge including supply of own rig with its accessories, tools and plant and consumables etc. for lowering of 200mm /150mm dia M.S. Pipe / PVC casing fitted with socket and with or without well screen as per the necessity for sub-medium hard and boulder formation (M.S./PVC casing pipe if required to prevent collapse of over burden is to be provided by contractor including lowering and withdrawing after completion of the tube well) 200mm dia x 400mm dia in over burden position inlcluding packing of gravel supplied by Contractor for 400mm bore only etc as per direction of Engineer incharge.Drilling for 200mm dia bore . 00mtr to 20 mtr