Melbourne Metro: Six tunnel boring machines needed for $6 billion build

By Richard Willingham, State Political Correspondent
Updated August 11 2016 - 1:13pm, first published 12:26pm
Plumbing the depths ... a tunnel boring machine in Malaysia.  Photo: Mass Rapid Transit Corporation
Plumbing the depths ... a tunnel boring machine in Malaysia. Photo: Mass Rapid Transit Corporation
The machines will help build nine-kilometre tunnels. Photo: Crossrail London
The machines will help build nine-kilometre tunnels. Photo: Crossrail London
An artist's Impressions of the making of the new Metro Tunnel. Photo: a
An artist's Impressions of the making of the new Metro Tunnel. Photo: a

Half a dozen 100 metre-long tunnel boring machines will be used by the winning international consortium bidding for the $6 billion contract to dig Melbourne's new metro rail tunnels.

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