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  • Documents

    PEGASOS: Updated seismic hazard assumptions for Swiss NPPs

    ENSI-AN-9657 ENSI closely followed the PRP project from its inception with an experienced expert team. In its final review report ENSI acknowledged that the state-of-the-art in probabilistic seismic hazard assessment was further improved by the PRP project. ENSI assessed the achieved refinements in the project focal points – the «ground motion characterization» (subproject 2) and the…

    Documents, Earthquakes, Nuclear Facilities, Other documents, PEGASOS, Periodic Safety Inspection and Safety Verification
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  • Documents

    ENSI Final Report: Review Approach and Comments Concerning the PEGASOS Refinement Project (PRP) and the PRP Summary Report

    ENSI-AN-9060 The Swiss Federal Nuclear Safety Inspectorate ENSI has set out new requirements for assessing seismic hazards in Swiss nuclear power plants in the light of the latest scientific findings. Plant operators are required to provide further proof, in three stages, by the end of 2020, that their plants can withstand even an extremely unlikely…

    Documents, Earthquakes, Nuclear Facilities, Other documents, PEGASOS, Periodic Safety Inspection and Safety Verification
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  • Documents

    2015 Research and Experience Report – ENSI-AN-9601

    This Research and Experience Report describes and rates the findings of the regulatory research into safety, specific instructive events from nuclear facilities abroad, news regarding the international cooperation as well as current changes and developments in underlying surveillance principles in 2015. Download document is in German.

    Annual reports, Documents, Events abroad, Nuclear Power Plants, Research
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  • Probabilistic Safety Analysis (PSA): Applications

    ENSI-A06/e This guideline formalizes the requirements for the application of Probabilistic Safety Analysis (PSA) for nuclear power plants. It presents the general principles, the requirements for maintenance and upgrade of the PSA, as well as the minimum required scope of PSA applications. The risk measure and evaluation criteria to be applied are defined for these…

    Documents, ENSI, Guidelines, Legal and Regulatory Framework
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  • Documents

    2014 Research and Experience Report – ENSI-AN-9157

    This Research and Experience Report describes and rates the findings of the regulatory research into safety, specific instructive events from nuclear facilities abroad, news regarding the international cooperation as well as current changes and developments in underlying surveillance principles in 2014. Download document in German

    Annual reports, Documents, Events abroad, Nuclear Facilities, Nuclear Power Plants, Research
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  • Rules of procedure of the International Review Panel on Beznau Reactor Pressure Vessel

    These rules of procedure govern the activities of the International Review Panel (IRP) on the Beznau Nuclear Power Plant unit 1 reactor pressure vessel integrity re-assessment. The re-assessment of the Beznau NPP unit 1 reactor pressure vessel’s integrity has been required from the operator based on reported findings following ultrasonic tests. The role of the…

    Beznau Nuclear Power Plant, Documents, Doel and Tihange, ENSI, Multilateral Cooperation, Other documents
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  • Basic Training, Recurrent Training and Continuing Education of Personnel in Nuclear Installations

    ENSI-B10/e This guideline regulates the general requirements for the basic training, recurrent training and continuing education of the personnel in Swiss nuclear  nstallations that is relevant to nuclear safety. Pursuant to the Ordinance on the Qualifications of Personnel in Nuclear In-stallations (732.143.1), it regulates the further requirements on training, licensing exams, repeat training, further education…

    Documents, ENSI, Guidelines, Legal and Regulatory Framework
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  • Action Plan Fukushima 2015

    Action plans, Documents, Fukushima Action Plan
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  • Documents

    Guideline for the Manufacture and Use of Packaging

    The „Quality Management Guideline for the Manufacture and Use of Packaging for the Transport of Radioactive Material“ provides recommendations for designers, manufacturers, owners and users of packages for radioactive material either subject to mandatory approval or subject to mandatory testing. The guideline states more precisely the quality assurance requirements referenced in sub-section 1.7.3 of the…

    Documents, Nuclear Facilities, Other documents, Transport, Transport and Containers
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