Western Sydney Airport

Western Sydney Airport - Supporting Australia’s Growing Aviation & Economic Needs

Aviation requirements in Sydney are projected to double within the next 20 years. With Kingsford Smith Airport already reaching capacity, it became clear that a new airport was essential to support this growing demand. The solution: the development of Western Sydney Airport, a major infrastructure project that aligns with the region’s rapid growth. As Western Sydney evolves into Australia’s fourth largest city and third largest economy, its population is forecast to reach three million by 2030. To accommodate this expansion and maintain economic momentum, the Western Sydney Airport is positioned as a vital component of the region’s development.

More than just an aviation hub, the airport is expected to generate approximately 28,000 direct and indirect jobs by 2031 and will be integral in connecting businesses to both national and international markets through world-class transport infrastructure.

Witt Consulting was engaged as a key technical contributor to the Western Sydney Airport project. The team provided specialist geotechnical and structural support, ensuring safe and efficient construction practices during the critical phases of the build.

Scope of Services Provided:

Geotechnical Inspections & Design
Conducted site inspections and developed geotechnical designs for temporary works, including working platform designs and slope stability assessments

Formwork Design for Concrete Pits
Delivered typical plan and section arrangements of the formwork proposed for the construction of concrete pits, ensuring structural integrity and safety.

Conveyor Trench Design which involved performing inspections and developed geotechnical designs for the conveyor trench, determining optimal sheet-pile depths and strut locations, and designing block retaining walls to support trench excavation and construction

Witt Consulting’s involvement ensured that critical temporary works and geotechnical components of the Western Sydney Airport project were delivered to a high standard. Our expertise contributed to the safe and efficient progression of one of Australia’s most transformative infrastructure developments.

Map of Western Sydney Airport
Western Sydney Airport

Client

Aerowest

Principal

NSW State Government

Value

$5.3 billion

Industry