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

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

For dismantling of ocp substation shed of size 50 ft x 50 and dismantling shifting, loading unloading of 1.5mva,6.6kv/3.3kv, transformer of badeopur colliery under sijua area

Comprehensive annual maintenance contract(camc) for dismantling and laying of different dia ms/gi pipes, valves etc. as and when required basis for smooth mine dewatering and fire quenching for a period of 02(two) year at sirka ocp under argada

Repairing/reconditioning of 11kv vcb make meditron, s.no.9472 and 11kv vcb of make meditron s.no.9474 installed at main substation of karma ocp under kuju area.

Repairing and reconditioning of 1 no. 11kv meditron make vcb and 01 no. 3.3kv mineline make vcb installed at main substation and mines of topa ocp under kuju area.

Repairing and reconditioning of 02 no. 3.3kv ht er, 01 no. 550 v er and 02 no. 3.3kv vcb switch installed at sirka ocp.

Repairing and reconditioning of 02 no. 3.3kv ht er, 01 no. 550 v er and 02 no. 3.3kv vcb switch installed at sirka ocp

Upgradation and adoption of earth leakage relay with cbct and pt 11kv/220v-110v ,3.3kv/220v-110v for triping system in 05 nos 11kv, 630amp vcb meditron and 02 nos. 3.3kv, 400 amp mineline make at sirka colliery under argada area

Repairing/reconditioning of 02 nos vcb (a) 3.3kv,400amp, mineline make vcb s.no.(b) 11kv ,400amp,meditron make vcb s.no.9472 at main substation of karma project under kuju area.