International competitive bids are invited for the construction of the 132/11 kV Colombo B grid substation, single line-in-out 132 kV cable connection (800 mm2) from Colombo C and Kolonnawa substations, and augmentation of Colombo C and Kolonnawa grid substations under the Asian Development Bank (ADB)-funded Green Power Development and Energy Efficiency Improvement Investment Program-Tranche 2.

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