Activity report of Nuclear Fuel Cycle Facility Severe Accident Working Group

Abe, Hitoshi ; Yoshida, Kazuo ; Fukasawa, Tetsuo*; Muramatsu, Ken*; Ikeda, Yasuhisa*

On the basis of Fukushima Dai-ichi Nuclear Power Plant accident, evaluation of risk of severe accident (SA) for nuclear fuel cycle facility and investigation of ensuring and improving of safety on the evaluation became urgent problem. In Reprocessing and Recycle Technology Division of Atomic Energy Society of Japan, procedure of selection of the SA on the scientific technological viewpoints for the nuclear fuel cycle facility has been investigated at Nuclear Fuel Cycle facility Severe Accident Working Group (SAWG). In this session, procedure of selection of the SA which should be considered, criterion for judgment for the selection and application example to evaluation of risk as the investigation results in SAWG will be presented.