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

A)complete repairing of 02 (two) switch (i) gec make 400amps 440volt ocb switch with busbar sl. no. 314711/189 and local id no.kj/13 (ii)sd-15 type kilburn make 400 amps 440volt ocb switch local id no. kj/19 .(b) repairing of 01(one) no. 200 amps

Complete repairing/ overhauling of two (2) nos switch (a) 11 kv 400 amps ocb switch make ece local id. bag/sw/ ocb/11kv/05 and (b) 11 kv 400 amps ocb switch make ece local id. bag/sw/ ocb/ 11kv/03 03 at bagdigi colliery of amal. joyrampur colliery

Repairing of 800amps 11kv biecco make ocb switch sl. no.1358 controlling of 11kv transformer, 440volt &#x0d domestic lighting power supply at budora sub-station amp colliery barora area.

Repairing and overhauling of 800a ece make lt ocb switch sl. no- 1749 at 14 no. feeder substation asp colliery

Repairing and overhauling of 11 kv 400 amp. ocb switch ece make local id-bag/sw/ocb/11 kv/05 of bagdigi colliery of ajc under lodna area.

(a) complete repairing and overhauling of one(01) no.800amps 440/550 volt switch sl. no.404 at 7 pit jealgora colliery and (b) thorough repairing of one (01) no.400amps 550volt ocb switch gec make sl. no. 30/0193 and local id. no.bar/sw/ocb/ 550v

For complete repairing of 440v, 400ampgec make sl.no.1485 switch at npc main substation under sijua area.

Complete repairing and overhauling of 1 no. 250 amps 440volt kilburn make ocb switch sl. no.573 id no nt/st/ocb /440 v/31 for power controlling of officer colony lighting line switch at amal. nt-st-jg colliery under lodna area.

Repairing/overhauling of 1 no. 400 amps 11 kv ece ocb switch ( sl. no. 2152166) local id. no. kj/sw/ocb/11kv/02 for power controlling of lighting line at m. pit of kujama colliery under lodna area.