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|Title:||Optimum Rehabilitation of a Water Distribution System Considering Cost and Reliability|
|Author:||Dandy, Graeme Clyde|
Engelhardt, Mark Owen
|Citation:||Bridging the gap : meeting the world's water and environmental resources challenges [electronic resource] : proceedings of the World Water and Environmental Resources Congress : May 20-24, 2001, Orlando, Florida / Don Phelps, Gerald Sehlke (eds.): CDROM, section 1, chapter 328|
|Publisher:||American Society of Civil Engineers|
|Conference Name:||World Water and Environmental Resources Congress (2001 : Orlando, Florida)|
|School/Discipline:||School of Civil, Environmental and Mining Engineering|
|Graeme C. Dandy and Mark O. Engelhardt|
|Abstract:||This paper describes the development of a multi-objective genetic algorithm that can be used to identify the optimum tradeoff between cost and reliability for a set of pipe replacement decisions. Reliability is defined in terms of the expected number of customer interruptions per year. It may be estimated using a break model and a hydraulic model for the pipes in a region. The tradeoff curve can be used to identify the reliability that can be achieved for a specified expenditure on pipes and the pipes that should be replaced to achieve this. The optimum schedule of pipe replacement over time can also be identified. The approach is demonstrated using data from part of the water supply system in Adelaide, Australia.|
|Appears in Collections:||Civil and Environmental Engineering publications|
Environment Institute publications
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