Water Infrastructure Risk Ranking and Filtering Method

by Tomas Dolezal, American Airlines Decision, Technologies, Dallas, United States,
Yacov Y. Haimes, American Airlines Decision, Technologies, Dallas, United States,
Duan Li, American Airlines Decision, Technologies, Dallas, United States,



Document Type: Proceeding Paper

Part of: Risk-Based Decision Making in Water Resources VI

Abstract: The availability of water distribution infrastructure is critical to the sustained support and growth of society. Water infrastructure consists of systems that carry water (pipe and irrigation systems) and systems that control natural water flow (dams and runoff systems). The smooth operation of water infrastructure has both social and economic ramifications. This paper extends and modifies a ranking methodology, the risk ranking and filtering (RRF) method, and applies it toward locating water distribution systems and subsystems with the greatest risks. The resulting short list of the water distribution (sub-)systems with the greatest risks is then used as an input to a budget-assignment problem with limited capital. The resulting methodological framework aids in effective allocation of scarce resources among various maintenance, rehabilitation, and expansion projects.

Subject Headings: Water supply systems | Water pipelines | Irrigation systems | Risk management | Pipe flow | Flow control | Water flow

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