Repairing and maintenance of over head line 6.6 kv power from existing madhuban coal washery to newly proposed 5.0 mtpa madhuban nlw coal washery under block-ii area, bccl.

Complete repairing and rewinding of 11kv 400v, 500kva, 3 phase lighting transformer, make ngef, sl. no. 28.0002.2206, for providing domestic power supply to sector 6, matigarha dam site under block-ii area.

Repairing and replacement of worn out spare of ps-1 sump pump i.e. head shaft, impeller, tt joint and bush of rom section at madhuban coal washery under block-ii area, bccl.

Ttps operation circle cad complete rewinding of ngef make 415v, 30kw, 1470 rpm, dm pump motor m4 sl.no.17262301 at clwph

Complete repairing or rewinding of power transformer 500kva 11kv, 440v sl. no. jwtp,dam site,01 installed at dam site jwtp under block ii area.

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area.

Complete repairing/rewinding of 3 phase marathon make induction motor, 6.6 kv, 750 kw, 1492 rpm, sl. no. 3f660895/2 failed during operation in the deep mine pumping zone of rajmahal ocp.

Complete repairing and overhauling of one (01) no. submersible starter 550 volt 175 h.p.sl. no.48 local id. no. bar/sub/str/04 sb make and rewinding of auto transformer 3 phase at 6 pit bararee colliery of amal.joyrampur colliery under lodna area.

Taking down of step up and down transformer 160kva after dismentling ht lt,gasket 6 mm thick superior quality on top cover plate,lt porcelain bushing with brass stud screwed with brass nuts bolts,ht 11 kv porcelain bushing with brass stud screwed with brass nuts,painting of transformer of rating 160 kva and voltage stabilizer with two coat,supply filling and top up with new transformer oil of electric strength,filtration dehydration of transformer oil of three phase servo voltage,rewinding of transformer 160 kva complete using appropriate size of copper,shifting of transformer from work shop to af stn including connecting,material and labour for arrange temporary power supply through comercial,trimming of tree branches to clear the ht lt oh lines girth span