For repairing of incomer 400a,6.6kv, ocb switch sl.no. bsp/switch/06 make ferguson at ekra substation basdeopur colliery under sijua area

For complete repairing and overhauling of ocb, sd -15 make kilburn switch 550v,150a, asst. no. arn/72 sl.no.08595 4 pit loyabad (ii)and repairing of 120 hp,550v,star delta starter, a.t.s type, amba speed make,sl.no.a-223-97 controlling of submersible

Di of a section 3 wire 11 kv overhead line of bararee 11 kv feeder from bhulan bararee office to 6 pit bararee sub-station of amal.joyrampur colliery under lodna area.

Repairing and overhauling of 01 no. h.t. switch 11 kv 400 amp.crompton greaves make ocb switch for controlling of 300 kva transformer main switch at bhulan sub-station under bararee colliery sl. no br/sw/03 under lodna area.

Complete repairing and overhauling of 1 no.h.t. switch 11 kv 400 amps crompton parkinson make ocb switch for controlling of 500 kva transformer main switch at ropeway sub-station of bararee colliery under lodna area.( sl.no. br/sw/48 )

Repairing and overhauling of h.t. switch 2.2 kv/400 amps. make southethern switch gear at 1 pit bararee near chhat talab local id. no. bar/sw/ocb/18 sl. no. 766243 of amal joyrampur colliery under lodna area

Dismantling transporting installation of 11 kv/3.3 kv 1.5 mva power transformer at bgr camp (bastacolla) to bararee 6 pit of amal.joyrampur colliery under lodna area.

Complete repairing and overhauling/safety protection of (a) 400amps/550volt gec make ocb switch local id. bar/ocb/ 28(b) 400amps 550volt gec make ocb switch local id. bar/ocb/ 03 at bararee colliery of amal. joyrampur colliery under lodna area.

Repairing/overhauling of 1200amps 550volt gec make ocb switch with busbar local id no.joy-3-sw/12 ctr-1200/1000/5 controlling switch of submersible 5 pit sub-station of joyrampur colliery of amal.joyrampur colliery under lodna area.

Thorough repairing of one 400 amps.550 volt ocb switch gec make sl. no. 30/0193 installed at bararee 1 pit budhi bandh used for controlling of 100 kva transformer primary of bararee colliery under lodna area.( local id-bar/sw/ocb/550/014 )