Validation of PSAs for Use in Risk-Monitoring Applications

[+] Author and Article Information
K. N. Fleming

ERIN Engineering and Research, Inc., 2121 Palomar Airport Road, Suite 105, Carlsbad, CA 92009-1419

J. Pressure Vessel Technol 120(4), 379-383 (Nov 01, 1998) (5 pages) doi:10.1115/1.2842347 History: Received July 01, 1997; Revised January 29, 1998; Online February 11, 2008


The purpose of this paper is to examine the use of probabilistic safety assessment (PSA) tools for evaluating the risk significance of changing plant configurations. The focus of this examination is the ability of current PSA technology to evaluate time-dependent variations in risk quantities. Recent results from the South Texas Project (STP) PSA are used to quantify the magnitude of changes in initiating event frequencies. Issues associated with interpreting the results of risk monitors are discussed.

Copyright © 1998 by The American Society of Mechanical Engineers
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