1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n

Operation and maintenance of 400 kva substation, lt/ht panel rising mains, submersible pump, comprehensive maintenance of electrical installations and common services i.e. fire fighting system, compound lighting, spp cleaning etc. (without material)

R/m of all electrical installations (i.e. operation and maintenance of 315 kva substation, lt/ht panel, submersible pump, maintenance of electrical installations and common services i.e. fire fighting system, compound lighting etc. (with material)) a

Installation of surge arrestor protection system at bankola colliery sankalpakhani ht surface substation,no 8 pit ht substation,no 1 pit ht surface substation and main electrical surface substation near workshop site of bankola colliery under bankola

Cleaning of main ht surface substation near cm project site of kumardihi b colliery under bankola area.

1. 18 nos ht cable kit joining at no 8 pit new surface electrical substation and shankalpakhani incline new electrical surface substation of bankola colliery.&#x0d 2. installation of anti climbing system at all ht and lt oh line to ensure human safety

12nos ht and ht cable kit jointing at ps unit no 3 and 4 pit surface electrical substation and millennium incline electrical surface substation of shankapur colliery under bankola area

Installation testing and commissioning of 440 volt power distribution system at 3.3 kv surface substation of kum a colliery under bankola area.

Overhauling of lighting transformer install at cm project surface substation under bankola area.

Installation of surge arrestor protection system at bankola area ht surface sub station , area office ht sub station , area hospital , ht surface sub station and gulmohar club electrical surface substation site under bankola area.