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Title: Criticality Analysis of a Water Distribution System Considering Both Economic Consequences and Hydraulic Loss Using Modern Portfolio Theory

Journal Article · · Water (Basel)
DOI: https://doi.org/10.3390/w11061222 · OSTI ID:1525914
ORCiD logo [1];  [1];  [2];  [2];  [1]
  1. Univ. of Utah, Salt Lake City, UT (United States)
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
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This study introduces an approach using Modern Portfolio Theory (MPT) to consider hydraulic resilience and economic consequence resilience of a water distribution system (WDS) to identify critical assets. ECLIPS (Economic Consequence Linked to Interruption in Providing Service), a way to represent loss of water provision as economic loss, is used to measure economic consequence following a reduction of WDS functionality. The approach is demonstrated using a hypothetical WDS and tested for pipe breakage and replacement scenarios using EPANET hydraulic simulations. First, the correlation between hydraulic resilience and economic consequence resilience was investigated to assess differences between two resilience measures for identifying pipe’s criticality for replacement. The results confirmed the two resilience measures exhibited differing responses (covariance = 0.2), suggesting that use of both would provide complementary insight. Results of the MPT analysis identified the benefits of balancing hydraulic and economic consequence resilience measures to yield lower risk. This study provides a practical approach to incorporate economic consequence into planning, design, and research applications identifying critical WDS assets.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1525914
Alternate ID(s):
OSTI ID: 1559991
Report Number(s):
PNNL-SA-146055; WATEGH
Journal Information:
Water (Basel), Vol. 11, Issue 6; ISSN 2073-4441
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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  • Chang, Stephanie E.; Svekla, Walter D.; Shinozuka, Masanobu
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journal April 2002
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Cited By (2)

Triple top line-based identification of sustainable water distribution system conservation targets and pipe replacement timing journal October 2019
Development of Failure Cause–Impact–Duration (CID) Plots for Water Supply and Distribution System Management journal August 2019

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Related Subjects

29 ENERGY PLANNING, POLICY, AND ECONOMY
asset management
pipe replacement prioritization
consequence analysis