Disconnecting, De erection, Re-Erection , Dehydration and Commissioning of 53.33 MVA, 220/132/11Kv Spare Power Transformer at Grid Sub Station Mirbazar to minimise Outages during Erection and Commissioning of 105 MVA Power Transformers

Amount

Dismantling of conservator,radiators, Jumpers, cables, transformer fans, pipes , conservator tank,Bushes Bucholz relay etc

Dismantling of Earthing of transformer neutral at two separate points through electrodes.

Manual dragging of transformer from Rail track to be placed on platform after dismantling

Dehydration of transformer in three shifts, including other erection/ commisiong works (including use of vaccum pump if required etc

Earthing of transformer neutral at two separate points through electrodes & connecting the same with the main earthing

Jumpering of transformer, laying and connecting of extra moose buses for 11kv upto 2nd transformer bank in order to make 3phase bank for avoiding interruption while commissioning 105mva power transformer, jumpering, droppers, rearrangement etc laying & termination of temporary cable for protection to 2nd transformer bank for commisiong of 53.33mva old transformer

Permanent commissioning by way of laying of cable and termination for protection and other indications etc with ist transformer bank as spare transformer and de-erection of 11kv temporary bus and placing the same conductor etc at safe place after commissioning of 105mva bank

Providing and Laying of control &power cables

2 core x 2.5sqmm

12 core x 2.5 sqmm

3.5 core x 25 sqmm

Providing and installation of breather including oltc containers for all(FOUR) 53.33MVA 220KV/132KV IMP power transformers of reputed make MAKE (12 large for main conservator plus 8 small for oltc conservator)

Llifting of cable trench covers and identification of cables and laying it, termination etc for spare transformer and putting trench covers back and other works etc

Providing and installation of 3phase fans 440v,50hz of reputed make

Providin and installation of Annanciators For RTCC Pannel 16 Window

M/S YASEEN ELECTRONICS