Maintenance/overhauling of 03 nos of 11kv/3.3kv transformers at ningha colliery, satgram-sripur area

Flameproof transwitch unit (flp tsu) 315kva, 3.3kv/550v (or 525v),flameproof switch board panel comprising of seven flameproof 3.3kv, 400a vcb,flameproof switch board panel comprising of four flameproof 3.3kv, 400a vcb,flameproof vacuum circuit breaker 3.3kv, 400a,flameproof air circuit breaker 400a, 550v,flameproof air circuit breaker 200a, 550v,flameproof air circuit breaker 100a, 550v

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

Rewinding of 15kva, 550v/220v lighting transformer, of view point area of east basuria colliery

Establishment of power supply infrastructure for dewatering operation from bhanora west block colliery to bhanora west oc patch under satgram sripur area

Repairing of barbed wire and concertina coil fencing (as and when required) at m. s. siding under j. k. nagar (r) mines satgram-sripur area (re-tender)

Complete rewinding of 10 h.p, 550v, 960 rpm, 3 phase crompton parkinson make motor at filter plant khas kusunda of gkk colliery under kusunda area

(i)for maintenance of one no.1 mva 6.6kv/550v transformer installed at loyabad colliery make-ece,asset sl.no.arn/14 lbc(ii)complete rewinding and overhauling of a 750 kva power transformer 6.6kv/550v at 5 pit substation of lbc make-ece asset.no.loy/e

Complete rewinding of 315kva,3.3kv/550v prabhu make tsu of underground of ningha colliery under satgram-sripur area.

Repairing n rewinding of 315kva, 3.3kv/550v tsu of amritnagar colliery.