Complete repairing and overhauling of (a) 600ampos 550volt easun make ocb and (b) gec make 550volt 600amps ocb at c pit of c.m. substation of kumardihi b&#x0d colliery under bankola area&#x0d

Repairing of two nos. of 550volt air circuit breaker in cm project at nakrakonda kumardihi b colliery under bankola area.

Complete repairing/overhauling of lt ocb make 800a sl. no. 81175 make easun oil circuit breaker main pump house jwtp under block-ii area

Cable termination of 11 kv indoor type and 11kv ocb, 3.3kv ocb, 550volt ocb and painting work at tilaboni unit main sub station of tilaboni colliery under bankola area.

100amp. kilburn make sd-15 type oil circuit breaker sl. no.- 14097 550volt of tisra hospital.

1) upgradation of 400 amps, 3.3kv grade becolarly make, oil circuit breaker (ocb). &#x0d 2) upgradation of 400 amps, 3.3kv grade ece make switch of barmondia colliery under salanpur area.

Dismantling existing 11kv oil circuit breaker (ocb) panels and installation of new vacuum circuit breaker (vcb) panels, including supply, erection, testing, commissioning, allied electrical works and necessary approvals

Extension of 550 volt overhead line from jet hostel to water treatment plant and installation of 550volt ocb at sarpi unit sub station under shyamsundarpur colliery under bankola area .

Repairing of 1 no.(one) no.200 amps 550volt kilburm make sd-15 ocb switch sl.no. 14027 at bagdigi sub-station of amal.joyrampur colliery under lodna area.

Repairing of 400a ocb switch type-k3 440v gec make sl.no.-30/0427 of feeder breaker of muraidih, amp colliery