The Demonstration Project on Seismic Loss Estimation for Water Systems

by C. E. Taylor,
W. Elliott,
H. Cornell,
D. Ballantyne,

Document Type: Proceeding Paper

Part of: Recent Lifeline Seismic Risk Studies


This year a monograph is being produced that summarizes results of a four-year project by the Technical Council on Lifeline Earthquake Engineering (TCLEE) of ASCE in order to demonstrate how earthquake loss estimates can be derived for a water system. This paper provides a brief synopsis of this project performed by the Water and Sewage Committee and the Seismic Risk Committee. The project focused on estimating losses as a percent of replacement cost. Explained are two of the key difficulties encountered in estimating seismic losses for water systems: the absence of a uniform inventory method and the absence for some key water facilities of sufficient earthquake damage data. Discussed are some of the ways in which inventory methods are being improved.

Subject Headings: Seismic tests | Seismic effects | Water loss | Risk management | Lifeline systems | Systems engineering | Sewage | Construction costs

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