Repair and maintenance including diversion and extension of 3.3kv overhead line from 3mva/3.3kv transformer, jhirkey basti to jhirkey river side and harizan tola to safique gali transformer and mustaque gali under kathara colliery for the period of 0

A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Repairing, installation and commissioning of current transformer in main incoming sf-6 breaker (main-i) of regional sub-station, kathara area under kathara colliery.

Rewinding of 15kva, 550v/220v lighting transformer, of view point area of east basuria colliery

Repairing and rewinding of induction motor, lighting transformer, acb switch at pandaveswar colliery and repairing of transformer, induction motor, motor, udm motor, drill panel at khottadih colliery

Complete repairing and overhauling of one (01) no. submersible starter 550 volt 175 h.p.sl. no.48 local id. no. bar/sub/str/04 sb make and rewinding of auto transformer 3 phase at 6 pit bararee colliery of amal.joyrampur colliery under lodna area.

Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

For dismantling of ocp substation shed of size 50 ft x 50 and dismantling shifting, loading unloading of 1.5mva,6.6kv/3.3kv, transformer of badeopur colliery under sijua area

Ampere meter 4inch ratio 200 100 5 5a part no spl406,volt meter 3.3kv 100v part no spl106,ammeter selector switch part no srp136ma,voltmeter selector switch part no srp135vs,earth leakage relay 0.34 to 1.8a aux supply 110v cbct part no ekjrc172,wiring kit part no ek805888,epoxy resin cast ct double core 15va ratio 200 100 5 5a part no ct5300,epoxy resin cast potential transformer 3.3 kv 110v 3phase part no et08002,power pack unit 110v dc part no ek801025