Two more tunnel boring machines (TBMs) have arrived in Melbourne ahead of tunnelling starting on the Suburban Rail Loop (SRL) East this year.
The machines are being assembled on site in Burwood and will be lowered into the TBM launch site in sections.
Two acoustic sheds are being built at the Burwood SRL site to reduce construction noise for local residents.
Crews are building infrastructure to support tunnelling, including a conveyor system to remove excavated soil from the tunnels.
Cabling has been installed between the network support facility in Sinnott Street and the construction site to provide power to the TBMs.
Construction of the second TBM launch site is underway, where TBMs will later launch towards Box Hill, as well as the underground space where the station will be built.
Underground concrete support walls are being constructed and excavation will start in the middle of this year.
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