Changing of gasket and studs of 1000 kva 11kv/550 volt power transformer sl. no. 17189 and id. no. 07 at 7 pit sub-station of jealgora colliery

Changing of gasket and studs of 2000 kva 11 kv/2.2 kva power transformer sl.no. 17035 and id.no.jeal/tr/2 mva/01 sub-station at jealgora colliery of amal.joyrampur 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.

Dismantling erection and di of overhead line 550 volt from jealgora 7 pit colliery to jealgora regional hospital ( approx. 680 mtrs. length) of jealgora colliery under lodna area.

Dismantling, erection and diversion of overhead line 550 volt from jealgora 7 pit colliery to jealgora regional hospital ( approx. 680 mtrs. length) of jealgora colliery under lodna area.

Changing of gaskit and studs of 500 kva 11 kv/550 volt power transformer local id. gj/tr-3 at golden sub- station of amal nt-st-jg colliery under lodna area..

Maintenance and re-erection of overhead line 550 v 3 wire going to jealgora cisf camp office jealgora stadium and other staff quarter from jealgora 2 pit sub-station of jealgora 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.

Repairing and overhauling of 800 amp. 550 volt crompton parkinson make ocb switch with bus bar of jealgora 2 pit colliery id-bccl/jl/sw/ocb/550 volt/07 used as secondary controlling switch of 750 kva 11 kv/550 volt switch of ajc under lodna area.

Partial repairing of 750 kva 11kv/550 volt power transformer make crompton parkinson sl.no. 13609 at 2 pit jealgora sub-station local id. jl/tr/04 at jealgora colliery of amal. joyrampur colliery under lodna area.