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Mammoet transports tunnel boring machines for tunnel project in Melbourne

Mammoet transports tunnel boring machines for tunnel project in Melbourne
MAMMOET — Pictured is a 660 tonne tunnel boring machine on self-propelled modular transporters prepared for transportation to the launch ramp as part of a transportation infrastructure project by Mammoet in Melbourne, Aus.

NETHERLANDS — Mammoet has completed the relocation of two tunnel boring machines and their components as part of the construction of a public transport infrastructure project, delivering twin nine-kilometre tunnels and five new underground stations through the centre of Melbourne, Aus.

Transportation of the two machines took about three days and three nights each. The machines, which weigh 660 tonnes each, were lowered 20 metres below street level into the site of the Metro Tunnel project’s new Anzac Station and then relocated to their launch position underground.

Each machine was lifted off the underground station floor using six 300 tonne hydraulic jacks so that the 14 axle lines of SPMT in four-file configuration could be positioned beneath it, states a release. The machines were then slowly and carefully transported to the launch ramp where hydraulic jacks lifted each from the SPMTs.

The machines were jacked-down onto Mammoet’s 600 tonne heavy-duty hydraulic push-pull skid system before being skidded forward to their final location. Mammoet also moved and positioned a 57 tonne thrust frame and 60 tonne gantry, which were components of each tunnel boring machine, adds the release.

The managing contractor for the project is a joint venture between CYP Design & Construction.

“As part of this execution, Mammoet provided detailed planning involving many simultaneous operations, all with safety in mind,” reads a statement from the company. “The team operated closely with the client and other sub-contractors to make sure all access routes were well-planned beforehand, and communication of day-to-day operations were given to all parties.”

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