Infrastructure Risk Analysis of Municipal Water Distribution System
Publication: Journal of Infrastructure Systems
Volume 6, Issue 3
Abstract
The purpose of this paper is to present an application of the infrastructure risk analysis model to a small municipality. The paper begins by decomposing the water system along the dimensions of function, component, structure, state, and vulnerability, while considering other perspectives such as political, temporal, threat, and economic. Component vulnerability is subjectively assessed in terms of exposure and access. Based on vulnerability analysis and expert opinion, a willfull water contamination attack scenario is developed and then modeled using an event tree. Expected and extreme risk are then measured using exceedence probability. Lastly, alternatives are generated and the results are presented in a multiobjective framework. The methodological framework presented can easily be applied to other critical infrastructure elements and networks.
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References
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Asbeck, E., and Haimes, Y. Y. (1984). “The partitioned multiobjective risk method.” Large Scale Sys., 6(1), 13–38.
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Ezell, B. C. ( 1998). “Risks of cyber attack to supervisory control and data acquisition for water supply.” MS thesis, University of Virginia, Charlottesville, Va.
3.
Ezell, B. C., Farr, J. V., and Wiese, I. (2000). “Infrastructure risk analysis model.”J. Infrastruct. Sys., ASCE, 6(3), 114–117.
4.
Haimes, Y. Y. (1981). “Hierarchical holographic modeling.” IEEE Trans. on Sys., Man and Cybernetics, SMC-11(9).
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Howard, J. D. ( 1997). “An analysis of security incidents on the Internet.” PhD thesis, Carnegie Mellon University, Pittsburgh.
Information & Authors
Information
Published In
Journal of Infrastructure Systems
Volume 6 • Issue 3 • September 2000
Pages: 118 - 122
History
Received: Jul 27, 1999
Published online: Sep 1, 2000
Published in print: Sep 2000
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