International competitive bids are invited for the renovation of the two 230 kV line bays (Hasnabad 1 and 2) at the 230/132 kV Haripur substation along with the supply of the switchgear equipment, necessary modification of the existing control and protection panel including the supply of two differential relays (one differential relay and other one differential relay with distance protection), replacement of the existing 132 kV busbar protection system, extension of fibre optic multiplexer and tele-protection equipment, and integration of two bays with the existing National Load Despatch Centre (NLDC) system, and associated equipment with all related civil works including earthing and lightning protection.

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