Implementation of Pressure and Leakage Management Strategies on the Gold Coast, Australia: Case Study
Publication: Journal of Water Resources Planning and Management
Volume 133, Issue 3
Abstract
Many water authorities, both nationally and internationally, have been forced to rethink their strategies for achieving water balance as a result of growing water demands, droughts, reduced no-failure yields, and environmental sustainability considerations. In particular, regulatory bodies in Australia are demanding that water managers exhaust network management efficiencies before considering new water source options (e.g., dams, desalination, pipelines, etc.). Demand management incentive schemes in conjunction with water recycling and pressure and leakage management (PLM) initiatives are a few examples of least-cost planning strategies being adopted by water authorities to achieve water balance without expanding the water infrastructure asset requirements. Potential benefits of PLM strategies have been predicted by these authorities worldwide in areas such as deferred capital works, reduced corrective maintenance, reduced treatment costs, energy savings, reduced reclaimed water discharges, and improvements to customer service. However, justification for PLM options remains difficult due to the limited amount of quantified evidence for most of the above-mentioned benefits over an urban water system’s life cycle. As the first stage in the development of a holistic PLM decision support system, this paper quantifies the benefits derived from a PLM strategy in a trial area located on the Gold Coast, in Queensland, Australia. The results of the trial provide evidence to support claims that PLM can reduce water consumption and the frequency of infrastructure failures if implemented throughout the entire Gold Coast City. Furthermore, the research concludes that PLM impacts on the total water cycle and has broad implications for ensuring the future sustainability of potable water services.
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Acknowledgments
The writers would like to acknowledge the staff and director of Gold Coast Water, Mr. Shaun Cox, Chair of the Water Sustainability Committee, Cr. Daphne MacDonald, and the Mayor of Gold Coast City, Cr. Ron Clarke, for providing the necessary trial study data to make this research study possible.
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Information & Authors
Information
Published In
Journal of Water Resources Planning and Management
Volume 133 • Issue 3 • May 2007
Pages: 210 - 217
Copyright
© 2007 ASCE.
History
Received: Jul 1, 2005
Accepted: Jun 1, 2006
Published online: May 1, 2007
Published in print: May 2007
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