Western Harbour Tunnel, Sydney, NSW, Australia
Aurecon is transforming Sydney Harbour, replacing dredging with TBM tunnel engineering to deliver a faster, safer and more sustainable second harbour crossing.
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Population and employment growth in the south-west of Brisbane has triggered an 800 per cent increase in commercial vehicles, contributing to a doubling in traffic volume on the Logan Motorway over the last decade.
The Logan Enhancement Project addresses rising residential and business populations and the congestion that they create through a safer and more reliable motorway network. The project aims to reduce travel times and traffic volumes on local streets and enhance connectivity to key business and residential areas.
Aurecon has played a crucial part in solving this congestion problem through engagement with Transurban to co-create solutions that in turn supported 1,300 construction jobs and generated wide-reaching economic benefits for Queensland. The project improved connections between the Port of Brisbane and the industry located in the south and west while also easing commuter access to key commercial hubs.
The design comprised of the widening of an estimated 10 km of the Logan and Gateway Extension Motorways, key interchange upgrades, new south-facing ramps at Compton Road and 5 km of motorway pavement rehabilitation. As a result of the early involvement with this project, Aurecon was able to identify and analyse alternative layouts, and develop them to align with the functional requirements and existing physical constraints of the Logan Enhancement Project.
The unique insights gained during the initial stage allowed Aurecon to provide a comprehensive package of engineering services to Transurban, including multidisciplinary concept and reference designs; environmental planning and management; technical support during procurement of the design and construct (D&C) contractor and coordination of Cultural Heritage Site Investigation works.
Six major environmental groups were actively involved along the Logan Enhancement Project corridor. Aurecon played a major role in aligning the requirements and wishes from these environmental groups. This was particularly evident in relation to the benefits offset strategy put forward to the Department of Environment, whereby Aurecon proactively engaged with the environmental groups to understand and document alternative offset strategies.
Aurecon is honoured to have been part of the first private sector proposal to was approved under the Queensland Treasury’s Market-Led Proposal process.
Aurecon is transforming Sydney Harbour, replacing dredging with TBM tunnel engineering to deliver a faster, safer and more sustainable second harbour crossing.
Aurecon's active transport design expertise supports TfNSW to create a seamless, unobtrusive, step-free ramp and cycleway across Sydney Harbour Bridge.
Aurecon's expertise in tunnel systems helps design the replacement of the Burnley Tunnel's low-voltage cables to keep the city's busiest road links moving.
