 Evaluation of risk impact of changes to surveillance requirements addressing model and parameter uncertaintiesS. Martorell, M. Villamizar, Martón, I., J.F. Villanueva, S. Carlos and Sánchez, A.I. Reliability Engineering and System Safety, 2014, vol. 126, issue C, 153-165 Abstract: This paper presents a three steps based approach for the evaluation of risk impact of changes to Surveillance Requirements based on the use of the Probabilistic Risk Assessment and addressing identification, treatment and analysis of model and parameter uncertainties in an integrated manner. The paper includes also an example of application that focuses on the evaluation of the risk impact of a Surveillance Frequency change for the Reactor Protection System of a Nuclear Power Plant using a level 1 Probabilistic Risk Assessment. Surveillance Requirements are part of Technical Specifications that are included into the Licensing Basis for operation of Nuclear Power Plants. Surveillance Requirements aim at limiting risk of undetected downtimes of safety related equipment by imposing equipment operability checks, which consist of testing of equipment operational parameters with established Surveillance Frequency and Test Strategy. Keywords: PRA; Surveillance requirements; Technical specifications; Risk evaluation; Model and parameter uncertainty (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:126:y:2014:i:c:p:153-165 DOI: 10.1016/j.ress.2014.02.003 Access Statistics for this article Reliability Engineering and System Safety is currently edited by Carlos Guedes Soares More articles in Reliability Engineering and System Safety from Elsevier |
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