Tunnelling on Legacy Way has started, following the launch of the first tunnel boring machine (TBM), Annabell, today. Annabell will excavate the westbound tunnel. The second TBM, Joyce, which is being assembled on site, will start excavation of the eastbound tunnel in approximately three months.
The TBMs will operate 24 hours a day, seven days a week. The rock and dirt (spoil) excavated by the TBMs will be transported via an underground conveyor to the Mt Coot-tha Quarry. Transcity’s environment team will undertake ongoing noise, vibration and ground movement monitoring, during tunnelling on Legacy Way.
With the start of tunnelling, support activities at the western worksite will also start including operation of the onsite grout plant, TBM workshop, water treatment plant, ventilation fans, and spoil conveyor. These activities will occur while the TBMs are in operation. Lighting will be required on the western worksite to ensure the safety of onsite workers. Spreading and levelling of spoil in the quarry will occur during the quarry’s existing hours of operation.
Want to know more?
Transcity will be holding an information session about the start of tunnelling.
Date: Wednesday 29 August
Location: Legacy Way Visitors’ Centre
Level 2, 80 Jephson Street, Toowong
Time: 6pm–7.30pm
RSVP: By Friday 24 August to the Transcity Community Relations team on 1800 778 772 or via info@transcityjv.com.au
For more information please click http://www.transcityjv.com.au/western-construction-update
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