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Kemano Second Tunnel (T2) Project

Enhancing the long-term reliability of renewable hydropower for aluminium smelter

Rio Tinto | British Columbia, Canada | 2017-2020

Project Numbers

  • CDN$600M project
  • 300-person workforce at peak construction
  • 7.6 km length of newly-excavated portion of second tunnel by TBM
  • 190 m length of the TBM
  • 3 worker camps
  • 8.4 km refurbished portion of 1990s second tunnel
  • 16 km length of completed second tunnel
  • 250,000 m3 volume of rock to be excavated
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