REPAIR MAINT DISTRIBUTION TRANSFORMERS VOLTAGE STABILIZERS AND OTHER CONNECTED ITEMS IN THE AOR OF GE HISAR AT HMS

Disconnecting, taking down distribution transformer indoor/outdoor type 11 kV /415 volts having capacity upto and including 200 kVA, transportation to the workshop for repairs including opening of transformers cover, draining of oil, de-tanking of core and coil assembly, cleaning, washing of dust and dirt from all parts including core, tank and cooling tubes radiators etc., joint inspection for estimate, replacement of defective parts, assembly, stage inspection, re-tanking, oil filtration/ dehydration, fill dehydrated oil and fresh oil and testing the repaired transformers for all the routine tests as per IS 2026 (Part 1): 2011 with latest amendments including providing alternate transformer having same capacity during the period complete all as specified and as directed. Note: - (a) Transformer oil shall be drained out by the contractor in suitable capacity mild steel drums to be arranged by the contractor. The said drained out transformer oil shall be refilled in the transformer duly dehydrated after repair and the cost thereof shall be included in unit rate quoted against the respective item of this schedule. (b) Rewinding of both HT & LT coil shall be measured and paid for separately under respective item of this schedule. (c) Transportation charges for transportation of transformer from site to workshop and after repair, workshop to site shall be borne by the contractor and cost thereof shall be deemed to be included in the unit rate quoted for this item. (d) The spare parts excluding nuts, bolts, washer, gasket, etc, shall be measured and paid for separately. (e) The said transformer shall be repaired in reputed workshop as decided by the GE. (f) Testing of transformer after repair shall be carried out as per IS 2026 (Part 1): 2011 and testing as specified and the cost of testing shall be deemed to be included in unit rate quoted against this item. (g) The IR value of the dried winding before inserting the core in the shell shall be measured and recorded. (h) The contractor shall provide his own transformer having same capacity and restore and maintain electrical supply till repairing and refixing of repaired transformer.

All as per above item No 1 but transformer of capacity 250 KVA to 400 KVA

All as per above item No 1 but transformer of capacity 500 KVA to 750 KVA

Supply only primary (HV side) double paper cover aluminium winded coils of existing type, size, gauge and in weight complete with including11000 volt grade insulating material for transformer of capacity upto 400 KVA complete all as specified and directed.

Supply only primary (LV side 415 Voltage grade) double paper cover aluminium winded coils of existing type, size, gauge and in weight complete with including 1100 volt grade insulating material for transformer of capacity upto 400 KVA complete all as specified and directed.

Supply only (HV side) copper winded coil of existing type size and gauge 11000 voltage complete with insulating material for transformers upto 200 KVA complete all as specified and directed.

All as per item No 6 (here-in-before) but capacity of transformer 250 KVA to 400 KVA

All as per item No 6 (here-in-before) but capacity of transformer 500 KVA to 750 KVA

Supply only (LV side 415 Voltage grade) copper winded coil of existing type size and gauge 1100 voltage complete with insulating material for transformers upto 200 KVA complete all as specified and directed.

All as per item No 9 (here-in-before) but capacity of transformer 250 KVA to 400 KVA