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

(a) repairing and reconditioning of protective device of 2mva power transformer, volts-11kv/3.3kv, si. no wnp, ktc/enm/9.0/tr/04 installed at 9.0 of kathara colliery, (b) repairing of 3.3kv, 400a ocb switch make-beccolary, sl. no. wnp ktc/enm/9.0/ocb

A) repairing and changing of 300kva-3.3kv-550volt oil cooled transformer, sl. no. wnp, installed at 9.0. colony maintenance under kathara colliery. b) installation and commissioning of earth pit g.i. wire at 28 nos. employees quarters i.e. office col

Part repairing of 02 nos. 100kva, 11kv/440 volt and 500 kva, 3.3kv/550 volt transformers installed at dav public school and 9.0 electrical maintenance office under kathara colliery

Mechanical repairing of the motor-200kw, rpm-1470, volt-415, 3 phase, si no. wnp at quarry no. 2 under kathara colliery.

Repair/ maintenance of 01 mva oil cooled transformer 11 kv/ 550 volts sl. no. nil wnp, unit no. ktc/1mva/11kv/550v/01 installed at konar river pump house kathara colliery

Repair/ maintenance of 01 mva oil cooled transformer 11 kv/ 550 volts sl. no. nil wnp, unit no. ktc/1mva/11kv/550v/01 installed at konar river pump house kathara colliery

Repair/ maintenance of 01 mva oil cooled transformer 11 kv/ 550 volts sl. no. nil wnp, unit no. ktc/1mva/11kv/550v/01 installed at konar river pump house kathara colliery

Heightening of transformer room at 9.0 under kathara colliery

Repairing of the motor (i) 200kw, rpm-1470, volt-3300,3 phase, si no wnp and(ii) 170kw, rpm-1481, volt-3300, 3 phase, si.no wnp at quarry no.2 under kathara