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    • don_dunstan posted
    Posted in News » Melbourne Metro rail: Tunnels to go deeper underground to keep trams running

    Will decision to go with Tunnel Boring Machines most of the length will be more expensive or less expensive than large sections of 'cut and cover'? The deeper dive makes sense though, it was going to be a fairly steep section down to the Yarra otherwise.

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    Edited 22 Oct 2015 16:01, 6 years ago, edited by don_dunstan

    Will decision to go with Tunnel Boring Machines most of the length will be more expensive or less expensive than large sections of 'cut and cover'?