Strengthening of existing jumphering and replacement of fault or lo megger value of insulators of existing 6.6kv and 3.3kv ohl including earthling of lighting arrestors of kathara ocp under kathara colliery before coming monsoon.

Part repair and maintenance of section of 6.6kv ht ohl mines feeder near hospital patch for jobs like replacement of damaged, rusted weak poles, tensioning, cradling as required for strengthening of 6.6kv ht ohl structure under purnadih ocp nk are

Repair, maintenance and replacement of the low megger value insulators of the 3.3 kv oh feeder, supplying power to the distribution transformer of weighbridges no. 4 and 6, w.r.t. karo ocp, under bnk area

The repairing of rotor and cooling system of 485kw motor 6.6kv into 3.3kv, 485 kw, that has been brought from pb project in damaged condition and it will be utilized for the dewatering of ena ocp if required during monsoon or where so ever deemed fit

Providing and fixing of 03 nos 3.3kv,800amp, goab switch, lighting arrestor 9kv (rms) and providing of horn gap and g.i strip at teacher colony, gayatri colony and near executive hostel under kathara colliery 9.0 township

Strengthening of earthing by providing 48 nos. new earth pits in parallel with existing earth pits which are having high resistance value, providing of 5 nos. new earth pits for 132kv lightening arrestors and connecting total 53 nos. earth pits to existing earth mat at 132/33kv ss erragadda. invited under eaarmarked works - individuals and societies belonging to sc category are only eligible to participate

(a) di and damaged 3.3kv o/h line due to obr dumping and damaged same o/h line to feeding power of main patch motor pump face and (b) extension of lighting line from 6.6kv lt transformer to sumitra devi patch of phularitand amp colliery.

Repairing and reconditioning of 02 nos. gang operated switch with reconditioning/replacement of pin and disc insulators in the existing 3.3kv oh lines field feeders for improving the overall insulation value of the feeders at jocp, hzb area.

Amc of 220v, 440v lt ohl (4 wire, 5 wire) and 3.3kv ht ohl like replacement of old damaged rusted and weak poles, maintaining earth continuity and cradling as req for strengthening of the ohls at ab colony under purnadih ocp, nk area

Maintaining earth continuity in 11kv and 3.3kv oh line of ara colliery by erection of earth pits and stay wire along with replacement of certain damaged poles and insulators for improving strength and insulation value of 11kv and 3.3 kv oh line ara