Tender For Replacement Of 220Kv Bushings, Inspection Of Core, Filtration Of Oil And Maintenance Of Interconnecting Transformer-2 At Captive Power Plant, Hwp(Manuguru), Aswapuram-Telangana
TDR : 41317628
Tender Notice
Corrigendum Details
BOQ
Expired
Aswapuram
Telangana
Corrigendum : Tender For Replacement Of 220Kv Bushings, Inspection Of Core, Filtration Of Oil And Maintenance Of Interconnecting Transformer-2 At Captive Power Plant, Hwp(Manuguru)
Name of Work: “Replacement of 220KV bushings, inspection of core, filtration of oil and maintenance of Interconnecting transformer-2 at Captive Power Plant, HWP(Manuguru)”
Sl. No.
Item Description
1
Core lifting, cleaning, vacuum drying, repair, supply and replacement of all gaskets, oil seals, 220KV bushings and oil filtration of 25/40MVA, 220/34.5kV, NGEF make, 3 phase Interconnecting transformer as per enclosed technical specifications and IS 10028 Part 3
2
Measurement of dielectric dissipation factor and capacitance of Oil Impregnated Paper condenser bushings
3
Brazing of draw lead including supply of ferrules, copper lead for OIP bushings
4
Supply and installation of aircell suitable for conservator of above transformer as per technical specifications
5
Supply of breather of 8kg capacity
6
Supply of buchholz relay for nominal pipe bore of 80mm
7
Supply of magnetic oil level gauge suitable for above transformer
8
Supply of bushing CT of following specification suitable for above transformer:
9
Ratio: 150-200-300/1, PS class, Rct =0.75? and Vk=100V at ratio of 150/1A
10
Ratio: 600-800-1200/1, PS class, Rct =4? and Vk=150V at ratio of 800/1A
11
Supply of 33KV bushing suitable for above transformer
12
Supply of 33KV insulator support suitable for above transformer
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