This $500M slender commercial building consists of a 47-storey office block over a 4-storey basement and is the tallest building with an offset core in the Southern Hemisphere. It uses a lateral stability system consisting of steel megabraced frames and the offset reinforced concrete core. While with Aurecon Darren spent six months in Perth, leading the structural design team from the initial design phase through to production of the construction documentation. Delivered by Darren while with Aurecon.