Maintenance of 3.3kv oh line from dumerbera sub-station to 16b quarry and installation of 400a rated goab and do fuse at 16b quarry for safe operation 250kva 3.3kv/440v transformer installated at 16b quarry of ara colliery under kuju

Repairing/reconditioning of 3.3kv, 400a, reyroll burn make ocb. sl.no. 82/104, installed at dumerbera sub-station for controlling 3.3kv power supply 10 16b quarry of ara colllery. repairing/reconditioning of 11 kv, 400 amp, ocb of ara colliery.

1.maintenance of 1.5 km span of 440v ohl from ara 16b quarry to bagalata basti2.erection of fresh neutral wire from 250kva, 11kv/440v transformer to the end of bagalata basti 3.erection of 370 nos. of fibre material make, lt phase separator at ara.

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.

Maintenance and reconditioning of 11kv,400a reyrolle burn make ocb si no. 827236 of ara colliery under kuju area.

Maintenance and re-strengthening of 440v oh line of ara officers colony and nearby b and c type colony 440v oh line of ara coliery under kuju area.

Repairing and complete rewinding of 100kva,11kv/440v. si. no. ara/ttr/05, lighting transformer installed 4 no basti of ara colliery which is used for lighting power to 4 no basti of ara colliery under kuju area

Repairing and reconditioning of lt distribution related panel installed at old quarry near submerssible pump,600amp. at karma project under kuju area.

Repairing and reconditioning of 02 nos gec make 11kv , 400a si. no. 9113 and 9114 ocbs , used for primary controlling of 02 nos. 500kva , 11kv/440v transformers installed at iwsp of sarubera project under kuju area.

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.