
Episode #34
Public art, permanence and decay with Nigel Helyer
In this podcast, Nigel Helyer explains how public artworks are designed for specific lifespans, how media installations can be maintained as their technologies age, and why contracts are central to the long-term maintenance of art in public spaces. Nigel Helyer is an internationally acclaimed Australian sculptor and sound artist who creates public artworks, sound sculptures and interactive media installations. His interdisciplinary practice connects art, science and technology through projects involving environmental research, acoustic mapping, biological systems and spatial sound. In this conversation, Nigel draws on decades of public art practice to question the idea of permanence. He discusses Dual-Nature (Ebb and Flow) , a large-scale sound sculpture installed at Woolloomooloo in Sydney in 1999. Positioned partly within the water, the work used mild steel forms designed to corrode over a calculated 25-year lifespan. He also reflects on other media artworks, including Wireless House and Silent Forest , to consider how changing technologies affect their maintenance and conservation. Listen to this podcast to learn about: Designing public artwork around an intended lifespan. Using corrosion and material decay as planned elements. Maintaining sound and interactive art as technology changes. Preparing maintenance manuals and service arrangements. Negotiating fees, production budgets and contractual risk. Chapters (00:00:09) Rethinking permanence in public art (00:02:46) A 100-year sculpture for the Seoul Olympics (00:03:00) Contracts and expected lifespans (00:04:02) The history behind Dual-Nature (Ebb and Flow) (00:06:00) Calculating corrosion and planned decay (00:07:14) Maintaining an early solar audio artwork (00:09:26) Documenting why the work should rust (00:09:36) Moving from video towards spatial sound (00:13:07) Temporary culture and public art (00:14:18) Turning spaces into places (00:15:24) Contested histories at Franklin Square (00:17:56) Maintaining Wireless House (00:21:36) Updating the technology in Silent Forest (00:23:57) Public artworks that were lost or neglected (00:27:41) Inherent vice in media art (00:28:00) Advice for working in public spaces (00:29:23) Contracts and financial risk (00:30:17) Separating artist fees from production costs About Nigel Helyer Nigel Helyer is an internationally acclaimed sculptor and sound artist based in Australia, known for creating immersive sound sculptures, environmental public artworks and interactive media installations that connect art, science and technology. Public art has been a significant part of Nigel’s practice for decades. He has created large-scale, site-responsive works for urban, architectural and environmental settings, often using sound to shape how audiences experience a place. His projects explore the practical and conceptual challenges of permanence, maintenance, material change and technological obsolescence. Links from the podcast with Nigel Helyer Visit Nigel Helyer’s website Explore Dual-Nature (Ebb and Flow) on Nigel Helyer’s website Learn more about Dual-Nature (Ebb and Flow) through the City of Sydney Read about the conservation of Dual-Nature (Ebb and Flow) Learn more about Wireless House on Nigel Helyer’s website Explore Silent Forest on Nigel Helyer’s website Explore Two Islands , Nigel Helyer’s public artwork in Franklin Square






