ASQ - Electronics and Communications Division

A Spreadsheet Tool for Managing Probabilistic Risk Assessment Data

Abstract: 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must first be obtained from the IEEE.

Like most reliability and risk analyses, a Probabilistic Risk Assessment (PRA) is most effective when it can be used to influence design decisions in a timely manner. However, development of a PRA can be very resource consuming and its development typically lags design milestones, limiting its usefulness to that of a design verification tool. As the case study described in this paper shows, using a well-designed spreadsheet tool in conjunction with the PRA opens up opportunities for making quick turnaround risk assessments in support of trade studies and evolving design configurations to support risk informed decisions.

Keywords: RAMS 2011 Proceedings - Probabilistic Risk Assessment - Fault Tree - Simulation

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