Repairing of Off load tap changer of PAP No 2 Transformer.

Repairing of GE make, 2MVA, 11kV/415V PAP Transformer No: 2 in PAP plant: The scope of work includes disconnection and draining of oil to suitable oil levels, opening top cover, repairing/ replacing of tap changer contacts, replacement of gaskets of top cover&oil lines wherever required and replacing O rings wherever required; refixing the dismantled parts, checking the tightness of all connections; refilling of oil via circulation after vacuum filtration to improve BDV to the required value of 60kV/4mm. The BDV value must be checked in a NABL accredicted lab and submit report before energizing. Transformer oil required for topping up the oil level shall be supplied by FACT at free of cost. All necessary tools and equipments like oil filter, vacuum pump, oil storage drum etc. required for the work shall be brought by contractor. Verification and confirmation of the tap installation will done by the engineer in charge. The contractor must ensure that the transformer operates properly in any taps and smooth change over to other taps is possible during OFF condition. The contractor will be responsible for the proper operation of the equipment after the work. The transformer must be charged and loaded without issues after the work in the presence of the engineer in charge. The detais of the transformer as follows: Make: GEC Capacity: 2000KVA, 11000/415 Volt Year of Manufacturing: 1975 Total Qty of oil: 2100L