Architect and Builder June 2020 | Page 24

Concept, Materials and Aesthetic The site was characterised by a long, east-west facing crescent shape with a substantial fall from west to east. The challenge from a conceptual point of view was to make efficient use of the steep site while mitigating the harsh exposure to east-west light. The design of the building had to be informed by, and respond to, the Master Plan of Waterfall City which called for a building that was completely integrated with the future urban fabric of the city. Particular attention was paid to the major arterial pedestrian route between the building and Mall of Africa but also to creating a building that expressed a philosophy of openness and connectedness. Priority is placed on the pedestrian and rather than isolating the building behind walls, it is essentially open to the public with graduated levels of privacy and security as one moves through it. In keeping with the philosophy of the City as well as a very specific brief from Deloitte, Aevitas created a large, low building with generous floorplates (roughly 6,000m 2 each). At the heart of the building, a large, multi-volume atrium allows 24 Deloitte