Repairing and maintenance of 11kv o/h line mobile &#x0d substation at dozer section utilized for 440v power &#x0d supply to muraidih weighbridge and muraidih filter &#x0d plant under amp colliery, barora area.

Repairing and maintenance of damaged ab switch installed at muraidih po office, muraidih substation near kali mandir and old cisf barrack substation muraidih colony under amp colliery.

Repairing, maintenance breakdown attending of &#x0d 11kv feeder no-12 ht o/h line for continuous &#x0d power supply to kkc link siding, f/b of benidih &#x0d incline 1k pit and mandra substation of &#x0d phularitand, amp colliery, barora area.

Repairing/rewinding of 670kw, 3.3kv, 1440rpm motor, &#x0d make-crompton greaves (cg), sl.no.2171539/01 at &#x0d phularitand, amp colliery under barora area.

Complete rewinding of 500kva, 3.3kv/440v transformer &#x0d at chitahi substation of amp colliery, barora area, sl.no&#x0d 224304/4 make gec.

Overhauling, changing of gaskets, replacement of &#x0d brass studs, heating of 1000kva, 11kv/3.3kv-550v &#x0d transformer of phularitand, amp colliery under &#x0d barora area.

Repairing/overhauling of reyroll make ocb 400amp.440v sl.no.441 at 3/16substn lbc(ii)repairing of ocb 400amp/440v make gec sl.no.30/510 at bsp(iii)and complete repairing/overhauling of lt switch make ece,800a at loyabad colliery under sijua area

Complete repairing / rewinding of 500 kva lighting transformer 3.3 kv / 415 volt, s/n 2800022343, 46/656 amp, make aeg/ngef installed at rest house substation of sawang washery.

Repairing and maintenance of safety device connected in 5 nos. of 11kv/3.3kv power transformer having capacity (1x3mva, 2x2mva, 1x1mva and 1x1.6mva) at main substation under bhurkunda colliery.

For partial repairing and installation of buchholz relay, winding and oil temperature meters of 500kva, 11kv/440v lighting transformer make kva process ltd sl no 11/1380 of sector 2 substation of east basuria colliery in respect of kusunda area.