Borewell & Tubewell Works Tenders

Supply and installing 3 phase submersible motor pump set ISI marka of approved Brand and equivalent, making connection suitable of TW/DCB/Open well. This job includes screwin and welding of flanges of GI rser pipes, installation

Construction of bore pit for tube well including excavation, pcc/cc, brickwork, plaster, rcc slab and all other contingent works thereto complete in all respect.

Drilling of 12" dia vertical borewell so as to have a finished size of 6" dia borewell in boulder area to any required depth as decided by the TWAD Board officers including Transportation from one place to another place with in Tamilnadu State by direct of reverse rotary mud circulation method using Contractor's rig tools, fuel, labours, bentonite mud and water required for drilling at the site shown by the TWAD officers including construction of mud pit etc using only calx rigs.

OD468816/2025-2026:Supply and installation of 50mm SS adaptor set for both bottom and top, including providing, borewell caps and clamps suitable for 7.5 hp borewell motor pump set

Development of tube well by means of pumping high velocity 250 to 400 psi air compressor all as specified including arrangement for equipment fitting and supply of sodium heptasulphate 20 kg all as specified for the bore wells located at various pump houses, complete all as specified and directed by Engr-in-Charge. Note : The above rates are also inclusive for arrangement of suitable dia and length of PVC/canvas pipes to drain the pumped water into the nearest drainage and to ensure water shall not be stagnated near the installation.