This 21-storey Charles Darwin Centre will provide Premium Grade office accommodation to blue chip clients including ½ of all NT Government’s departments together with retail and above-ground and below-ground car parks.

It will be the tallest building in Darwin, and a green building with official NABERS 5 Star commitment.

From a structural perspective, the major challenge is to enable the iris-shaped building to withstand hurricane force winds. Computational fluid dynamic modelling simulations were carried out to assess the forces from all directions.

The presence of necessary penetrations at the building core has also proved to be a challenge as this structure will bear the full weight of the building.

The services design has had to be specific to meet the NABERS 5 Star requirement, taking into account the lack of green power purchase opportunity in Darwin, and to have all services fitted with the constraints of the core areas.

Repetitive simulations were carried out to establish the optimum make up of the ESD features, with the ultimate determinations on building services systems and building façade components based on these ESD credentials, ease of operation, risk, cost and life cycle considerations.

Project Leader: Paree Cordato
Darwin, Northern Territory
Collaborators:  Pei Cobb Freed & Partners (Architects); Suters (Architects)
Services: Structural, Civil, Mechanical, Electrical, Hydraulic and Fire Engineering; Façade Services


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