Chapter
Apr 26, 2012
Risk-Cost Based Decision Support System for the Rehabilitation of Water Distribution Networks
Authors: G. de Marinis [email protected], R. Gargano [email protected], Z. Kapelan [email protected], M. S. Morley [email protected], D. Savic [email protected], and C. Tricarico [email protected]Author Affiliations
Publication: Water Distribution Systems Analysis 2008
Abstract
A Water Distribution System (WDS) that is structurally inadequate in fully satisfying the water required by customers needs to be rehabilitated in order to restore the required performance. However, a problem that frequently arises in this analysis is the selection of which solution should be adopted in order to provide a suitable service and, simultaneously, in minimizing rehabilitation costs. This decision can be facilitated by considering the water required by users but not supplied to them because of the structural inadequacy of the system — representing a source of lost revenue for the water companies. This cost is a function of the level of inadequacy of the hydraulic system and of the unit cost of the water. On this basis, safeguarding the hydraulic reliability of a WDS also implies a reasonable rate of return on the water company's capital investment.
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© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Benefit cost ratios
- Business management
- Client relationships
- Construction engineering
- Construction methods
- Decision making
- Decision support systems
- Financial management
- Hydraulic engineering
- Hydraulics
- Practice and Profession
- Rehabilitation
- Water and water resources
- Water management
- Water supply
- Water supply systems
Authors
Affiliations
Dipartimento di Meccanica, Strutture e Ambiente e Territorio (DiMSAT), University of Cassino, via Di Biasio, 43, Cassino, Frosinone (Italy). E-mail: [email protected]
Dipartimento di Meccanica, Strutture e Ambiente e Territorio (DiMSAT), University of Cassino, via Di Biasio, 43, Cassino, Frosinone (Italy). E-mail: [email protected]
Centre for Water Systems, University of Exeter, Harrison Building, North Park Road, Exeter, Devon (UK). E-mail: [email protected]
Centre for Water Systems, University of Exeter, Harrison Building, North Park Road, Exeter, Devon (UK). E-mail: [email protected]
Centre for Water Systems, University of Exeter, Harrison Building, North Park Road, Exeter, Devon (UK). E-mail: [email protected]
Dipartimento di Meccanica, Strutture e Ambiente e Territorio (DiMSAT), University of Cassino, via Di Biasio, 43, Cassino, Frosinone (Italy). E-mail: [email protected]
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