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Rehabilitation Model for Water Distribution Systems

by Joong-Hoon Kim, Arizona State Univ, United States,
Larry W. Mays, Arizona State Univ, United States,



Document Type: Proceeding Paper

Part of: Water Resources Infrastructure: Needs, Economics, and Financing

Abstract:

This paper presents an optimization model for determining the minimum cost rehabilitation and replacement of pipes in water distribution systems. The advantages of the proposed model include the ability to: 1) handle the optimal timing of rehabilitation/replacement for water distribution system components; 2) incorporate various kinds of cost functions; and 3) link a mixed-integer linear program solver, a nonlinear program solver, and a hydraulic simulator into an optimization framework.

Subject Headings: Water supply systems | Optimization models | Rehabilitation | Benefit cost ratios | Water pipelines | Hydraulic models | Linear analysis

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