Classification and consideration for the risk management in the planning phase of NPP decommissioning project

김기림; 김혜인; 서형우; 유지환; 손진원

doi:10.1016/j.net.2022.07.022

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자료유형: 학술저널

저자정보: 김기림 (한수원 중앙연구원) 김혜인 (한국수력원자력 중앙연구원) 서형우 (한수원 중앙연구원) 유지환 (한수원 중앙연구원) 손진원 (한국수력원자력 중앙연구원)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제54권 제12호

발행연도: 2022.12

수록면: 4,809 - 4,818 (10page)

DOI: 10.1016/j.net.2022.07.022

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The decommissioning project of a nuclear facility is a large-scale process that is expected to take about 15 years or longer. The range of risks to be considered is large and complex, then, it is expected that various risks will arise in decision-making by area during the project. Therefore, in this study, the risk family derived from the Decommissioning Risk Management (DRiMa) project was reconstructed into a decommissioning project risk profile suitable for the Kori Unit 1. Two criteria of uncertainty and importance are considered in order to prioritize the selected 26 risks of decommissioning project. The uncertainty is scored according to the relevant laws and decommissioning plan preparation guidelines, and the project importance is scored according to the degree to which it primarily affects the triple constraints of the project. The results of risks are divided into high, medium, and low. Among them, 10 risks are identified as medium level and 16 risks are identified as low level. 10 risks, which are medium levels, are classified in five categories: End state of decommissioning project, Management of waste and materials, Decommissioning strategy and technology, Legal and regulatory framework, and Safety. This study is a preliminary assessment of the risk of the decommissioning project that could be considered in the preparation stage. Therefore, we expect that the project risks considered in this study can be used as an initial data for reevaluation by reflecting the detail project progress in future studies.

#Decommissioning #Risk management #PMBOK #Risk matrix #Decommissioning project

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