Unique elements include roof cantilevers exceeding 11 feet, hybrid structural systems, 6-foot-square and larger mass concrete columns, and a 46-foot-tall and 70-foot-wide concrete gravity arch.

A series of 2.5m square voids is set between the columns and slabs, protected by balustrades. The lower voids allow light and air to pass to the first floor; the voids at roof level are covered with ...

The 300mm square concrete columns are positioned on the 2.6m x 3.0m grid and support the two 100mm-thick raised floors. A timber box sits on the top of the concrete building like a penthouse.