SAMG-based human reliability analysis method in support of Level 2 PSA. Part I: Table-top eXercise experiments
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The two papers in series deal with development of a new human reliability analysis (HRA) method, SAM-L2HRA, for evaluating severe accident management (SAM) strategies utilizing portable equipment for preventing and mitigating severe accidents. The first paper, Part I, introduces technical background for developing SAM-L2HRA, including identification of task characteristics of severe accident management guidelines (SAMGs) and the critical steps of individual SAM strategies with their likelihood of human errors and decision-making associated with each strategy to be included in the SAM-L2HRA framework. Based on the identified task characteristics and context of SAMGs, an approach to Level 2 HRA based on the technical support center (TSC) SAMGs, SAM-L2HRA, is outlined. To have more elaborate basis for SAM-L2HRA, the Table-Top eXercise (TTX) experiments have been designed and conducted under postulated severe accident scenarios, and the results and insights gained from the experiments and interviews with the subjects were summarized.
Abstract
The two papers in series deal with development of a new human reliability analysis (HRA) method, SAM-L2HRA, for evaluating severe accident management (SAM) strategies utilizing portable equipment for preventing and mitigating severe accidents. The first paper, Part I, introduces technical background for developing SAM-L2HRA, including identification of task characteristics of severe accident management guidelines (SAMGs) and the critical steps of individual SAM strategies with their likelihood of human errors and decision-making associated with each strategy to be included in the SAM-L2HRA framework. Based on the identified task characteristics and context of SAMGs, an approach to Level 2 HRA based on the technical support center (TSC) SAMGs, SAM-L2HRA, is outlined. To have more elaborate basis for SAM-L2HRA, the Table-Top eXercise (TTX) experiments have been designed and conducted under postulated severe accident scenarios, and the results and insights gained from the experiments and interviews with the subjects were summarized.