Repairing of 1 no.(one)no.400 amps 440volt g.e.c. make ocb switch with busbar local id. no. kj/16 at 3-pit mohari bandh sub-station of kujama colliery under lodna area.

A)complete repairing and overhauling of one(01) no.400amps 440volt id.no. sw/ocb/ 440v/43 (b) partial repairing of one(01) no.400amps 440volt id.no.bccl/ nt/sw/440v/44(c)complete repairing of 3.3 kv id.no. bccl/ nt/sw/ocb/3.3 kv/63 installed at

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

Repairing of 01 (one) no. 200 amps. 440 volts sd-15 type kilburn make ocb switch with busbar sl. no.14009 and and local id no. kj/09 at m. pit sub-station kujama colliery under lodna area.

Changing of gasket and studs of 500 kva 11 kv/440 volt lighting transformer sl.no. 4015044 and id.no. kj/tr/500kva/04 at m. pit sub-station of kujama colliery under lodna area.

Repairing of 400amp gec make 440volt ocb sl. no.- 30/2110 with busbar controlling of ghanoodih balugadda.

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.

Complete repairing of g.e.c. make ocb switch(local id.no. jl/sw/16) 11 kv 400 amp.controlling of power transformer 750 kva in 2 pit sub-station jealgora colliery of amal.joyrampur colliery under lodna area.

Complete repairing and overhauling of 2 no. l.t. o.c.b.switch 550 volts 200 amps kilburn make sd-15 (1) local id.no. nsw/ocb/550 v/01 (2) local id.no. nsw/ocb/550 v/02 ocb of n.s. workshop 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.