Development of an Investigation Method (HuRAM+) for Human-Related Events

The result of related studies has revealed that one of the most crucial factors for the safety of human involved facilities is inappropriate human actions (i.e., human errors). With advanced technology, such as Nuclear Power Plants (NPPs), simple mistakes or incidents may cause serious accidents. In recent years, the human actions in NPP operation are very complicated and more than 30% of incidents are attributed to the human related errors. It is important to understand the mechanism of incidents for avoiding major accidents. Thus, Development of an investigation method has been regarded as one of the preliminary tools to reduce the occurrence of inappropriate human-related events. Considering the recent domestic human-related events, an investigation method for those human-related events was studies. It is expected that the development method is beneficial for an investigator, who is carrying out the investigation for the human-related event, because of the objectivity of the results provided by developed method