Vital Area Identification of Fuel Building in Nuclear Power Plant

The urgent VAI (Vital Area Identification) method development is required since 'The Act of Physical Protection and Radiological Emergency' that is established in 2003 requires an evaluation of physical threats in nuclear facilities and an establishment of physical protection in Korea. The KAERI (Korea Atomic Energy Research Institute) has developed the VAI methodology and VAI software called as VIPEX (Vital area Identification Package EXpert) for identifying the vital areas. This study is to demonstrate the applicability of KAERI's VAI methodology to a spent fuel building, and to provide the results of vital area identification of it. The VIPEX and FTREX (Fault Tree Reliability Evaluation eXpert) properly calculate MCSs and TEPSs using the fault tree model, and provide the most cost-effective method to save the VAI and physical protection costs. If the areas suggested from VAI analysis are protected properly, the facility containing them could be safe despite any sabotage