Chapter
Sep 7, 2017
Water Supply Damage, Recovery, and Lifeline Interaction in an Earthquake Sequence
Authors: Keith Porter [email protected], Serge Terentieff [email protected], Roberts McMullin [email protected], and Xavier Irias [email protected]Author Affiliations
Publication: Congress on Technical Advancement 2017
Abstract
Earthquake damage to water supply systems profoundly affects society, potentially costing the economy tens of billions of dollars. Water agencies for 22% of the U.S. population face high seismic risks. Computer models can help operators manage that risk. In recent research, the University of Colorado (CU) developed a stochastic model of water-supply pipeline damage and restoration. It offers some new capabilities: time-varying repair resources, multiple earthquake perils, lifeline interaction, avoiding hydraulic analysis, and no black-box software. CU exercised the model for the East Bay Municipal Utility District (EBMUD) and the San Jose Water Company, considering a hypothetical large Hayward Fault earthquake. EBMUD staff peer reviewed the methodology and results and find them credible and consistent with past earthquakes. EBMUD is using the results as part of its resilience program. Possible uses include prioritizing additional hardening or redundancy, identifying repair priorities, estimating resource needs, and informing earthquake exercises.
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© 2017 American Society of Civil Engineers.
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Published online: Sep 7, 2017
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Univ. of Colorado Boulder, Boulder, CO 80309. E-mail: [email protected]
East Bay Municipal Utility District, 375 Eleventh St., Oakland, CA, 94607. E-mail: [email protected]
East Bay Municipal Utility District, 375 Eleventh St., Oakland, CA, 94607. E-mail: [email protected]
East Bay Municipal Utility District, 375 Eleventh St., Oakland, CA, 94607. E-mail: [email protected]
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