Nestled in Sydney’s trendy Surry Hills, 9-25 Commonwealth Street is a $55 million project which includes a 35-strorey mixed-use tower, four underground car-park floors, a ground floor retail area, a 13-floor hotel and the remaining floors are residential apartments.

BG&E provided structural engineering services and the key features included:

• slender mixed-use tower;
• transferring core walls;
• car lifts instead of conventional ramps in the basements;
• truck turn-table in the loading dock;
• post‐tension concrete floors; and
• a 15-metre high facade truss on the roof.