Jjm water supply scheme, south tripura sh drilling and development of 2 deep tube wells using contractors normal power rotary rig, including erw pipes, pea gravel and allied works under dws division, sabroom, during 2026-27.

Jjm water supply scheme, south tripura sh drilling and development of 2 deep tube wells at different locations using contractors rotary rig, including erw pipes, pea gravel and allied works under dws division, sabroom, during 2026-27.

Rotary hammer drill 230 v, 50 hz, single phase power rating in watt 800, rotation speed of the hammer (in rpm)-1000, impact rate (ipm)-4300, noise level -99 noise level db. length of 3 pin 5 amp electric cord -5 metres, number of drill 30cm bits provided-4 nos, selector switch for - 36 position drilling/ chiseling. as per specification attached. make only:- bosch, dewalt, tiger, velmoc, msi, stanley, foster, or similar.

230 sinking and inst.of sub mersible pump at jahir thin

Sinking of 9 nos tube well of size 300 x 200 mm dia. and 120 mtr. deep by reverse rotary rig method using upvc pipes and development of 3 nos. of existing tube well maynaguri municipality under amrut 2.0

Sinking of 2 nos tube well 300 mm x 200 mm tube well of 210 mtrs depth by direct rotary rig method using upvc piped cd and upvc deep well screen rds filter at napara site

Deep drilling, development and stabilization of tube well upto 250 meters below ground level by direct rotary method of drilling

Sinking of 2 nos. tube well of size 250 mm x 150 mm dia. and 150 mtr. deep by reverse rotary rig method using upvc pipes along with construction of pump house, surging etc...within haldibari municipality under amrut 2.0.