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  Digging beneath Sydney's business district and the Harbour: Halfway done, now the 1,000-ton “Kathleen” takes over

  Halfway Done, Now the 1,000-ton “Kathleen” Takes Over The biggest public transportation project in Australia’s history reached a milestone as five 1,000-ton boring machines passed the halfway point in carving underground rail tunnels for the Sydney Metro. The machines,...

  Tags: Australia, Bechel Sydney metro, Bechel John Holland CPB Ghella, Ghella Sydney metro, Ghella Sydney southwest metro, Ghella

  1686 days ago