Trend Analysis of Human Error Events and Assessment of Their Proactive Prevention Measure at Rokkasho Reprocessing Plant

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  • 六ヶ所再処理工場の人的過誤に係る事象の傾向分析とその未然防止対策の評価
  • ロッカショ サイショリ コウジョウ ノ ジンテキ カゴ ニ カカル ジショウ ノ ケイコウ ブンセキ ト ソノ ミゼン ボウシ タイサク ノ ヒョウカ

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A trend analysis of human error events is important for preventing the recurrence of human error events. We propose a new method for identifying the common characteristics from results of trend analysis, such as the latent weakness of organization, and a management process for strategic error prevention. In this paper, we describe a trend analysis method for human error events that have been accumulated in the organization and the utilization of the results of trend analysis to prevent accidents proactively. Although the systematic analysis of human error events, the monitoring of their overall trend, and the utilization of the analyzed results have been examined for the plant operation, such information has never been utilized completely. Sharing information on human error events and analyzing their causes lead to the clarification of problems in the management and human factors. This new method was applied to the human error events that occurred in the Rokkasho reprocessing plant from 2010 October. Results revealed that the output of this method is effective in judging the error prevention plan and that the number of human error events is reduced to about 50% those observed in 2009 and 2010.<br>

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