Proceedings of the Eighth International Conference on Probabilistic Safety Assessment & Management (PSAM)
44 Developments in Importance Measures for Risk-Informed Ranking and Other Applications (PSAM-0049)
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New developments and roles of different importance measures are described in two groups of activities:
• Making decisions about permissible permanent and temporary configurations and allowed configuration times (ACT) for regulation, technical specifications and on-line risk monitoring
• Ranking safety significance of systems, structures, components and human actions (SSCH) for preventive safety assurance activities (PSAA) such as safety classification, testing and inspections, quality assurance, preventive maintenance, training, procedures and human factors development
Risk Increase Factor (RIF) is most appropriately used to assess the risk and acceptability of a situation when a component is already known to be failed, or when...