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Department of Architecture

Architecture graduate's vision scoops Holcim Award

By Nico Botes

Posted on 09 September 2011

Calayde Davey, MArch(Prof) graduate of the 2010 studio, is the winner of the Africa and Middle East Region's Holcim Next Generation Award for post-graduate students.

The Third International Holcim Awards were announced in Casablanca, Morocco, on Thursday 8 September. Prof Karel Bakker, Head of the Department of Architecture, attended the award ceremony.

Calayde’s dissertation, completed under study leaders Arthur Barker and Nicholas Clarke, proposed the transformation of the old Pretoria West Power Station into a vertical hydroponic facility for agricultural production, thereby inverting the attributes of a former polluting facility into a purifying element that continues to be a mechanism for supply of the city’s needs. The full document of her study is available at

The jury commended this project because of its visionary idea and impact that appears both feasible and constructible. The utilization of abandoned industrial structures will become an increasingly relevant issue in developing societies.

Calayde’s award is the fifth major accolade recently awarded to students and graduates of the Department and comes barely three months after Ruann van der Westhuizen was awarded the prestigious Hunter Douglas Award at the Archiprix International in New York.

The Swiss-based Holcim Foundation for Sustainable Construction conducts the competition in five regions in parallel across the world. The Holcim Awards aim to promote sustainable responses from the building and construction industry to technological, socioeconomic, cultural and environmental issues. More than 6,000 submissions for projects located in 146 countries were received. More information is available at

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