Maintenance and repairing of 2 nos power transformer 1 mva 11kv/3.3kv and 3 mva 11kv/3.3kv of tnocp under hazaribag area

Repairing and overhauling of restricted neutral grounding system of 1.5 mva 11kv/3.3kv transformer at ena ocb substation at kusunda area.

Dismantling of 1.5 mva 11kv/3.3kv transformer and installation of 2 mva 11kv/3.3kv transformer in its place, via dismantling and installation from gkkc to ena colliery, at kusunda area

Partial repair of 3.3kv neutral grounding resistor with monitoring and protection relay 11kv/3.3kv transformer and 2 no of earth pit making for ngr at bgr camp kuya ocp.

Provision of neutral and body earthing of &#x0d proper earth continuity and protection in 6 &#x0d nos. of junction boxes at sangam vihar &#x0d colony under gm unit, piparwar area.

Partial repairing 3.3kv neutral grounding resistor with monitoring and protection relay for 11kv/3.3kv 1mva transformer at 17 no substation.

Supply, installation and commissioning of neutral grounding resistance in 01-mva, 11kv/3.kv and 250-kva, 3.3kv/550v power transformer of mithani colliery under sodepur area

Fabrication of shed for 1 mva 11kv/3.3kv transformer, 630 kva 3.3kv/415v transformer, 500 kva 11kv/440v transformer and 440v distribution panel with provision of hard drawn steel wire mesh along substation yard at regional repair shop, tapin

Provision of neutral and body earthing for proper earth continuity and protection in transformers, vcbs, starters and a/c panels at intake well and filter plant under gm unit, piparwar area.

Preparation of 16 nos. earth pit for for making earthing grade for neutral, body earthing and lightening arrestor for 5 mva, 33kv/6.6kv transportable sub-station under ashok ocp quarry-2.