Supply and installation of insulating rubber mat, supply and laying of gravel with sand in ara kanta sub station and dumerbera substation,

Work for con of existing 3.3kv bus-bar of ara-kanta substation into 11kv bus-bar, dismantling of complete 3.3kv oh line from ara -kanta substation to dumerbera substation and installation of transformers at ara kanta substaion

Supply and installation of 4 nos of timer switch sets to be installed at different location of ara colliery to control the lights installed at po office, dumerbera sub-station, ara kanta substation and 16b quarry of ara colliery under kuju area.

Con of existing ideal 3.3kv oh line (between ara-kanta sub-station and dumerbera sub-station) into 11kv oh line for supplying 11kv power to sarubera 10no. sub-station separately (by a dedicated feeder) from ara kanta sub-station

Erection of 318 mtrs of 75 mm dia u-pvc pipeline for daily watering of 25 nos. of earth pits installed at dumerbera sub station and ara kanta substation of ara colliery and replacement of 10 nos. of gi strips by 35 sqmm single core , al cable at ara

Supply of insulating mat

Repairing and complete rewinding of 630kva ,3.3kv/440v, s.no.ara/tr/01, lighting transformer installed at ara kanta substation of ara colliery under kuju area.

Supply and fixing of insulating mat in substation at different locations of kenda area