Infrastructure Risk Analysis of Municipal Water Distribution System

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 po...

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Bibliographic Details
Published in:Journal of infrastructure systems 2000-09, Vol.6 (3), p.118-122
Main Authors: Ezell, Barry C, Farr, John V, Wiese, Ian
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Distribution. Storage
Exact sciences and technology
TECHNICAL PAPERS
Water supply. Pipings. Water treatment
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Summary: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.
ISSN:1076-0342
1943-555X
DOI:10.1061/(ASCE)1076-0342(2000)6:3(118)