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Canada : Tunneling work has begun on Scarborough subway extension
Strabag's Tunnel Boring Machine starts rolling to excavate the 7.8 km extension to the Scarborough subway in Toronto, Ontario.
The new tunnel will connect the existing terminus at Kennedy Station with Sheppard Avenue/McCowan Road. The contract includes one launch shaft, one extraction shaft, five headwalls for future stations and 14 headwalls for future emergency evacuation buildings. The tunnelling works will be performed using a TBM with a diameter of 11.87 m.
https://www.cp24.com/news/tunneling-work-has-begun-on-scarborough-subway-extension-1.6234279
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.cp24.com/news/tunneling-work-has-begun-on-scarborough-subway-extension-1.6234279
Tunneling work has begun on Scarborough subway extension
www.cp24.comTunneling work on the Scarborough subway extension has begun, more than nine years after the project was initially approved by Toronto City Council.