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Erschienen in:
1989 | OriginalPaper | Buchkapitel
Common-Cause Failures — Evidence from Sellafield
verfasst von : T. R. Moss, G. T. Sheppard
Erschienen in: Reliability Data Collection and Use in Risk and Availability Assessment
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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In this study records from the Sellafield nuclear chemical plant were analysed for evidence of common-cause failure. The component-specific Beta factors estimated from these data were significantly lower than the global recommended value of 0.2 and compare favourably with estimates based on large data collected in the USA.Component-specific Beta factors should be employed in risk assessments to predict common-cause effects. Where such data are not available a conservative global value of 0.1 appears to be appropriate for most chemical plant from the information analysed in this study.