Billed as Australia’s first new airport in over 100 years, WSI is based on a concept design by Zaha Hadid Architects and Cox Architecture. Multiplex and Woods Bagot completed the as-built design.
Due to open in late 2026, the airport will initially be able to handle 10 million passengers a year; when three further stages are finished sometime around 2060, WSI will be able to handle 82 million.
New techniques
Work on the terminal took almost four years, with 2,000 people on site at its peak. Multiplex said more that 50% of the workforce were western Sydney residents.
The company used a locally-made composite steel frame called “Slimdeck 210” for the terminal’s second and third level floors, which it says cut the amount of labour and materials required.
The company used a prefabricated service riser system in the terminal building which allowed each core to be installed in a single day.
The terminal roof has 6,000 solar panels.
Team effort
Multiplex worked with consultants Airbiz and Woods Bagot on the terminal design and surrounding infrastructure, with construction planning conducted in tandem with site works.
A joint venture between Acciona and CPB Contractors worked on airside civil and pavement works.
A team of BMD Constructions and Seymour Whyte Construction completed landside civil and building works, including the design and construction of carparks, roads, bridges and utilities.
In 2019, engineer Aurecon was selected to provide terminal precinct engineering design services for WSI. An Aurecon joint venture with Arcadis won a contract for major earthworks and airfields design.
24-hour gateway to the city
“We are on the precipice of launching a seamless and stress-free airport experience unlike any other in Australia,” said Simon Hickey, WSI’s chief executive.“WSI will give our global city a 24-hour international gateway that will continue to create significant economic opportunities for all of Greater Sydney.”
David Ghannoum, Multiplex’s NSW managing director, called the terminal a “once-in-a-lifetime project”.
Long time coming
The Australian government green lit WSI in 2016, following 70 years of arguments over where to build it.
Sydney’s existing airport in the east is hemmed in by suburbs, and can’t expand, so the government approved the Badgery’s Creek site, first suggested in 1946.
In January, state and local governments announced spending of US$620m (A$1bn) for a transit corridor between the airport and the suburb of Liverpool.
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Australia to invest $620m on Sydney transport ZHA and Cox Architecture win competition for Western Sydney International Airport Aurecon selected as design engineer for $3.6bn Western Sydney airportMultiplex completes terminal for Australia’s new airport Global Construction Review.
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