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People who like Robbins Single Shield completes Canada’s Largest Outfall

    Adrian Olmex

    Robbins Single Shield completes Canada’s Largest Outfall

    By Adrian Olmex in the group TBM World - Tunnel Boring Machine Group
      On March 3, 2022, a 7.95 m (26.1 ft) diameter Robbins Single Shield TBM completed a record-setting run below Lake Ontario. The machine, for the Southland/Astaldi JV, bored 3.5 km (2.2 mi) in sedimentary rock for the Ashbridges Bay Outfall...

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    cover tunnel photo by: Matt Brown from London, England / CC BY

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