S.51 NCTPS-II ES circle EM I Sub Division I1 Unit I Inspection of 21 KV HV bushings Gasket replacement on 11KV LV bushings R Y and B phases and complete hot oil circulation for Unit Transformer UT 1A 50MVA 21 11KV during the annual overhaulin

Amount

Labour Charges for isolating the conservator by closing the associated valves, Isolating the Radiator and draining the oil from the main tank to core level

Charges for Removal of Expansion Bellows from 21kV Bus Ducts in Unit Transformers, UT-1A.

Charges for Refixing of Expansion Bellows from 21kV Bus Ducts in Unit Transformers, UT-1A.

Labour Charges for Removal of rubber Bellows from 11kV LV Bus Duct in Unit Transformers,UT-1A.

Labour Charges for Removal of 4 Nos flexible/ phase from 11kV LV Bus Duct in Unit Transformers,UT-1A.

Charges for refixing of new gasket,Oil seal in LV side bushing and LV Bus Duct bellow package in Unit Transformers, UT-1A. (Rubber Cork gaskets of 900mmx 900mm x 8mm and Oil Seal Washers to be supplied by contractor).

Charges for Refixing of 4 Nos flexible/ phase in11kV LV Bus Duct in Unit Transformers,UT-1A.

Labour Charges for Refixing of rubber Bellows in 11kV LV Bus Duct in Unit Transformers,UT-1A.

Labour Charges for oil circulation of drained oil in storage tank in Unit Transformers,UT-1A.

Labour Charges for top up of oil into Main transformer by proper venting of air particle in Unit Transformers,UT-1A.

Charges to carry out Transformer Oil Circulation inorder to remove unwanted gases & Water content and improving the BDV Value of oil for 28,800 Litre (Capacity)