The first giant Herrenknecht is on a ship on its way to Melbourne port:
The 15.6m diameter TBMs will take around 6 months to assemble on site, with the parts lowered into the ground by a massive a 550-tonne gantry crane. The TBMs will then work day and night digging the 6.5km twin tunnels from Watsonia to Bulleen – taking traffic under, instead of through, suburbs.
https://bigbuild.vic.gov.au/news/north-east-link-program/tunnel-boring-machine-sets-sail
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://bigbuild.vic.gov.au/news/north-east-link-program/tunnel-boring-machine-sets-sail
Tunnel boring machine sets sail
bigbuild.vic.gov.au