Planning and Operation of Large-Scale Water Distribution Systems with Preemptive Priorities
Publication: Journal of Water Resources Planning and Management
Volume 134, Issue 3
Abstract
This paper describes the development of an optimization model for the management and operation of a large-scale, multireservoir water supply distribution system with preemptive priorities. The model considers multiobjectives and hedging rules. During periods of drought, when water supply is insufficient to meet the planned demand, appropriate rationing factors are applied to reduce water supply. In this paper, a water distribution system is formulated as a network and solved by the GAMS modeling system for mathematical programming and optimization. A user-friendly interface is developed to facilitate the manipulation of data and to generate graphs and tables for decision makers. The optimization model and its interface form a decision support system (DSS), which can be used to configure a water distribution system to facilitate capacity expansion and reliability studies. Several examples are presented to demonstrate the utility and versatility of the developed DSS under different supply and demand scenarios, including applications to one of the largest water supply systems in the world, the São Paulo Metropolitan Area Water Supply Distribution System in Brazil.
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Acknowledgments
The research reported herein was supported by the U.S. NSF, under Award No. NSFOISE-0334272, and its Brazilian counterpart CNPq. Additional support was provided by FINEP, CTHidro, FUSP, and FAEPEX-UNICAMP. Data files for the case studies were supplied by the São Paulo Sanitary Services Company—SABESP.
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Information & Authors
Information
Published In
Journal of Water Resources Planning and Management
Volume 134 • Issue 3 • May 2008
Pages: 247 - 256
Copyright
© 2008 ASCE.
History
Received: Sep 14, 2006
Accepted: Jul 23, 2007
Published online: May 1, 2008
Published in print: May 2008
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