Seymour Whyte’s $52 million Pacific Highway and Wyong Road Intersection Upgrade was named Engineers Australia’s 2018 Newcastle Engineering Excellence Award winner, in recognition of engineering distinction through teamwork, innovation, and technical excellence.
The project was nominated in a joint submission between Aurecon, Seymour Whyte,and Roads and Maritime Services. The team is now in the running for the prestigious Australian Engineering Excellence Awards (AEEA), which recognise outstanding achievement in engineering and the invaluable contribution engineering makes to the economy, community and the environment.
Seymour Whyte Project Manager Matt Aldrick said the standout feature of the project was the collaboration between the three parties to deliver a best-for-project solution.
"This was particularly evident in the strengthening works required for the existing bridge,” he said.
'Due to the bridge bearings and structure being almost at capacity, innovative design methods were proposed before construction, and modification adapted and implemented during construction. Constant collaboration between our engineers and Aurecon designers was vital in achieving the best outcomes and minimise any potential delays to the works."
The project scope involved upgrading the Pacific Highway and Wyong Road intersection and approaches to ease congestion and improve both the safety and traffic flow for approximately 55,000 vehicles per day. This included construction of a new 86m four-span concrete bridge over the main northern rail line, embankment and pavements to facilitate three new eastbound lanes, cast in-situ concrete retaining walls, reinforced earth walls up to 8m in height, 2km of shared paths and noise walls, as well as the installation of utilities, conversion of the existing roundabout to a traffic signalised intersection and landscaping.
One of the key features of the AEEA submission was a 3D model of the new four-span bridge over the rail line, created by Aurecon. This model contained both existing and design surfaces and was invaluable in analysing the interaction between the old and new infrastructure. It was also an excellent tool for assessing the interface with the rail corridor and the Wyong Road carriageway.
The project now advances to contest the national awards against other states and territories at the 2018 AEEA in September.