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Suzuki, Mitsutoshi; Nishida, Seishi*
no journal, ,
To introduce countermeasures against sabotage in Nuclear Power Plant (NPP) that might affect a design and operation of NPP, not only the timeline evaluation based on detection, delay, and response with vital area identification but also the comprehensive decision about relaxation measures, design change, and physical protection considering conflict in safety, cost effectiveness, and operational efficiency are necessary. In this presentation, as a rational-comprehensive decision approach for countermeasures against sabotage the design change based on vital area identification and the evaluation results in terms of conflict, cost, and physical protection will be introduced from the past 1980's US report.
Suzuki, Mitsutoshi; Nishida, Seishi*
no journal, ,
In order to investigate a high sabotage-resistant nuclear power plant, considering initiating event with malicious acts with reference of the IAEA technical guidance, NSS No.16, we propose a concrete process of target set with sabotage ET/FT, important sabotage scenario, and identification of vital area and prevention set with showing an example. And also, safety and security interface in the facility design stage is pointed out an important step in terms of reduction of sabotage risk as well as defense in depth in security.
Suzuki, Mitsutoshi; Nishida, Seishi*; Demachi, Kazuyuki*
no journal, ,
Countermeasures for protection of nuclear power plant show steady progress such as licensing examinations for the specific accident-response facility for an aircraft attack according to the new safety regulation as well as law enforcement preparation of the trustworthiness system by Nuclear Regulatory Authority. In this paper, we will perform case studies about a sabotage protection of nuclear power plant using vital area identification methodology that is internationally introduced and investigate safety and security interface in the protection.