An Operative Approach to Water Distribution System Rehabilitation
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
The selection of the most effective course of action for pipe rehabilitation is crucial to avoid the uncontrolled deterioration of water distribution systems (WDS). Moreover, it provides a rare opportunity to modify some elements of the existing infrastructure in order to meet the present service requirements. For instance, a rehabilitation plan could be aimed at simultaneously improving system reliability, pressure levels and/or leakage reduction. In this work WDS rehabilitation is formulated as a multi-objective optimization problem where decision variables for each pipe are "do-nothing" or "replace" by selecting from a set of commercial pipe diameters. It is shown that the solutions returned by a multi-objective genetic algorithm (MOGA) in such a complex decision scenario although good, could not be easily used to support decision making. A prioritization strategy is developed and presented which is based on MOGA solutions and provides an effective tool for both analysts and decision makers.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Business management
- Construction engineering
- Construction methods
- Decision making
- Deterioration
- Engineering fundamentals
- Infrastructure
- Materials characterization
- Materials engineering
- Pipe sizes
- Pipeline systems
- Pipelines
- Pipes
- Practice and Profession
- Rehabilitation
- System reliability
- Systems engineering
- Systems management
- Water and water resources
- Water management
- Water pipelines
- Water supply
- Water supply systems
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