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Model for the Optimal Rehabilitation and Replacement of Water Distribution System Components

by John Woodburn, Univ of Texas at Austin, Austin, TX, USA,
Kevin Lansey, Univ of Texas at Austin, Austin, TX, USA,
Larry W. Mays, Univ of Texas at Austin, Austin, TX, USA,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

The objective of the model presented is to determine the minimum cost solution, given the nonlinear nature of the equations required to describe the cost and the hydraulics of a water distribution system. The model proposed in this paper is based upon combining a nonlinear optimization procedure with a hydraulic simulation procedure determine which pipes of the water distribution system should be replaced, rehabilitated, or left alone to meet specified demands and pressures and to minimize costs.

Subject Headings: Water supply systems | Hydraulic models | Rehabilitation | Optimization models | Benefit cost ratios | Simulation models | Pressure pipes

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