Sydney Opera House Launches Debut Of Artificial Reef

Source: of Technology, Sydney

Photo: Keith Zhu/Unsplash


What began as a low-tech construction made from milk crates has morphed into something decidedly more elegant with the unveiling of a purpose-built artificial reef for Sydney Harbour.

Launched to coincide with the United Nations’ World Environment Day, the project complements a number of significant sustainability achievements announced by the Sydney Opera House.

University of Technology Sydney (UTS) Professor of Marine Ecology David Booth has led the project in which a series of modular artificial reefs—eight pods, each containing three hexagonal-shaped units—have been installed alongside the Opera House sea wall at Bennelong Point.

The pioneering project, announced in 2017, is funded through a NSW Government Environmental Trust Restoration & Rehabilitation grant with the aim of finding new ways to increase local marine biodiversity and support  in Sydney Harbour.

Created by Reef Design Lab, the metre-high pods are constructed from marine-grade steel and concrete and feature elements of 3-D printed design. Half of the units have additional complexity in the form of triangular tiles. Data collected from the two different reef structures help inform future  design.

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Photo: Keith Zhu/Unsplash

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