Rio breaks through at hydropower project
PERTH (miningweekly.com) – Diversified miner Rio Tinto has marked a significant milestone at its Kemano T2 hydropower project in British Columbia, with the tunnel boring machine having broken through to complete its journey.
The Kemano T2 project is completing a second tunnel to carry water into the Kemano powerhouse, to ensure the long-term reliability of the power supply for Rio’s BC Works smelter in Kitimat.
The tunnel boring machine cut 7.6 km through the rock in remote mountains over 30 months, completing the route for a 16 km tunnel that was started in the early 1990s.
“This is a significant milestone towards finishing the second tunnel and securing the long-term reliability of hydropower for Rio Tinto’s smelter in Kitimat, which produces some of the world’s lowest carbon aluminium,” said Kemano T2 project manager Alex Jones.
“Boring this tunnel is a highly-skilled and technical feat that has been achieved in an extremely remote location that is only accessible by air or sea. We thank all of our partners who are supporting this important project – from our employees, to contractors, First Nations, government and community members. It will ensure our operations continue to make a significant contribution to British Columbia's economy into the future. We look forward to celebrating the completion of the project next year.”
The tunnel will be filled up with water in the middle of next year, with the project expected to be complete in the second half of 2022.
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