Repairing /overhauling of 11kv, 400a ocb sl.no.pcw1 of patherdih coal washery

For repairing of incomer 400a,6.6kv, ocb switch sl.no. bsp/switch/06 make ferguson at ekra substation basdeopur colliery under sijua area

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

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

Supply of convenient/compact movable silent type inverter technology, 3kva dg set complete operating type with only petrol, starting and petrol run type itself, weight lower than 66.5 kg, 230v 50 hz, socket for output 1 nos, fix side handle 2 nos, bottom wheel for easy to move 4 nos, operating key 2 nos. make :- crompton, greaves, kirlosker green, kec, cummins, catepiller, koel, honda, ashok leyland, mahindra, tata, panta volvo only. accepted make:honda model:eu30is

Repairing and overhauling of 11kv, 400a crompton greaves make ocb switch with busbar sl no 15462g of in chandro substation under gopalichak colliery at site.

Repairing of crompton greaves make ocb 11kv, 400a, ctr-200-400/5a, switch gear, ref. no. 2516-1980 all main no. (1) 11kv switch gear 33/11kv substation nlocp.

Repairing of 11kv 400amp ocb switch make crompton greaves si no. not available of jarangdih colliery.

Installation and commissioning of negative sequence relay in 11kv 400amp. ocb make crompton greaves of 4a patch substation of bhowra south colliery.

Repairing of 11kv, 400a eec make ocb of c pit substation at nakrakonda kumardihi b colliery under bankola area.