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Big Becky Drills Through Niagara Falls (video)


Big Becky, the worlds largest hard rock TBM (14.4m) breaks through into the grout tunnel in Niagara Falls, Canada. Becky has 290m left to tunnel before completing the mining stage of the Niagara Tunnel Project, which will supply water to the Sir Adam Beck Power Station.

Category: Niagara Video  Tags: , , , , Add to: Share
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One Response
  1. David G. says:

    Quite the machine to make that large tunnel! Thanks for sharing!

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