OT 52/24-25

Amount

Arresting Oil leak in Main tank of Unit Transformer - 1 (Sl.No:5119/2, 22/11.6KV, 50MVA, make: Bharath Bijilee) Charges for isolating the conservator by closing the associated valves, Isolating the Radiator and draining the oil from the main tank to core level, Dismantling and assembling of conservator tank, breather lines, valves and bucholz lines, Dismantling, Assembling of HT/LT Terminal links, Draining and Filling of Transformer Oil to the Transformer Conservator tank, Dismantling and reassembling the top cover of the transformer with new gaskets, Transformer Oil Circulation inorder to remove unwanted gases & Water content and improving the BDV Value of oil, general cleaning, water washing, cleaning of bushings, attending oil leaks and tightness checking of all bolts nuts, replacement of silica gel, changing oil in the thermo - pockets and other related works, including i)MS Bolts Nuts 2 Nos. ii) Flat Round washer M20x100mm FTh - 140 kg, iii) 900X900X16mm Rubberized cork screw Gasket sheet - 5Nos.,900X900X10mm Rubberized cork screw Gasket sheet -8 Nos.,900X900X06mm Rubberized cork screw Gasket sheet-4 Nos. & consumables

Replacement of damaged aircell with new aircell in Unit Transformer - 2 (Sl.No:5119/1, 22/11.6KV, 50MVA, make: Bharath Bijilee) Charges for Dismantling and Assembling of HT/LT bushing, Draining of oil in drain oil pipelines, Dismantling and assembling HV/LV turrets, Replacement of HV/LV Bushing gaskets all inspection cover gaskets, oil filling, renewing the rubber bellows one number in the 22 KV Bus-Duct PT cubicle, Inspection and cleaning of One Phase HV bushing termination, general cleaning, water washing, cleaning of bushings, attending oil leaks and tightness checking of all bolts nuts, replacement of silica gel, changing oil in the thermopockets and other related works and its NGT & NGR and supply of Bharat Bijlee Make Conservator aircell- 1 No. including Consumables

Arresting oil leak in HV/ LV Bushing of Unit Transformer - 2 (Sl.No:5119/1, 22/11.6KV, 50MVA, make: Bharath Bijilee) Charges for Draining and Filling of Transformer Oil to the Transformer Conservator tank of UT, Dismantling and assembling of conservator tank, breather lines, valves and bucholz lines, Releasing of Air cell in the conservator tank, testing and erection of the Conservator tank on its bed at UT & Providing of new Air cell in the conservator tank, testing and erection of the conservator tank on its bed including Consumables