Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/41303
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Type: Conference paper
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
Issue Date: 2001
ISBN: 0784405697
Conference Name: World Water and Environmental Resources Congress (2001 : Orlando, Florida)
School/Discipline: School of Civil, Environmental and Mining Engineering
Statement of
Responsibility: 
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.
RMID: 0020075256
DOI: 10.1061/40569(2001)399
Appears in Collections:Civil and Environmental Engineering publications
Environment Institute publications

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