REPAIRS AND REPLACEMENT OF SPARES TO 11 KV SWITCH YARDS DE-HYDRATION OF POWER AND DISTRIBUTION TRANSFORMERS BUS TRUNKING SYSTEM CT/PT VOLTAGE STABILIZERS, BATTERY BANKS ETC AT EETF DSST DSP CIC MRSAM ARMY MRSAM AF 0208 0204 AGNI PLASMA AVC DATA CENTE

Disconnecting the electric supply to the transformer, opening the transformer by unscrewing bolts from the top cover of the transformer,draining out of transformer oil into a container upto required level for arresting the leakage in the transformer, taking down of unserviceable HV and LV bushes from the transformer if necessary, replacement of top cover gasket, HV and LV side bushes gasket, buchholz relay gasket,bolts, nuts and washers, with new ones required soldering work if necessary while fixing the bushes, and re-fixng the same for transformer capacity ranging from 63 KVA to 250 KVA complete including testing the transformer after repairs all as specified and directed. Note: (i) HT / LT metal studs, HT / LT bushes and gaskets of HT and LT side will be measured and paid for seperately. (ii) Nuts, bolts, washers, petrolium jelly, grease, CTC required are deemed to be included in the unit rate quoted. (iii) Filteration of drained out transformer oil will be measured and paid for separately.

All as per item No. 1 above but of capacity 315 KVA to 500 KVA

All as per item No. 1 above but of capacity 630 KVA to 1000 KVA

All as per item No. 1 above but of capacity 1250 KVA to 1600 KVA

Supply and fix HT porcelain bush rods suitable for any make of transformers capacity from 63 KVA to 250 KVA capacity all as directed by Engineer-in-Charge

All as per item No.5 above but of capacity 315 KVA to 500 KVA

All as per item No.5 above but of capacity 630 KVA to 1000 KVA

All as per item No.5 above but of capacity 1250 KVA to 1600 KVA

Supply and fix LT porcelain bush rods suitable for transformers of any make and of capacity from 63 KVA to 250 KVA all as specified and directed.

All as per item No.9 above but of capacity from 315 KVA to 500 KVA.