Repair, maintenance, testing and commissioning of the interlocking system of the g.o.a.b. switches in the 3.3 kv feeders and the 11 kv bus with the corresponding vcb switches, at the 11 kv by 3.3 kv main substation, under karo ocp, bnk area.

Cleaning and painting of 440 v, 3.3 kv and 11 kv switches, transformers, motors, pumps and lighting towers under karo ocp, bnk area

Repair cum maintenance of the 3.3 kv and 11 kv gang operated a.b. switches, including its accessories for its installation, installed in mine, workshop and the 11 kv main substation, under karo ocp, bnk area.

Repair cum maintenance of the 3.3 kv and 11 kv gang operated a.b. switches, including its accessories for its installation, installed in mine, workshop and the 11 kv main substation, under karo ocp, bnk area

Repair and maintenance of 3.3 kv and 11 kv g.o.a.b. switches, including accessories for its installation, installed in mine and workshop under karo ocp, bnk area.

Repairing/maintenance of 3.3 kv 150/300 amps vcb switch make yule controlling of karo oh line installed at mrss of bnk area.

Repair and maintenance of gang operating air break switch (goab) of 11 kv and 3.3 kv grade installed at various location under bokaro colliery, bnk area

Prive protection of two nos. of 11 kv by 3.3 kv power transformers under karo o.c.p., bnk area

Di cum erection of a portion of the 3.3 kv oh feeder to karo basti, w.r.t. karo ocp, under bnk area. &#x0d

Erection of lightning arresters in the 3.3 kv feeders, feeding power to the pump motor sets in operation, in mine, w.r.t. karo ocp, under bnk area.