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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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  • 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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  • 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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  • Letter from ENSI to WENRA „Reactor Pressure Vessel in Swiss NPP Beznau 1: Detection of flaw indications similar to those identified in Belgium”

    After flaw indications in the reactor pressure vessel of Beznau 1 had been detected, ENSI informed the members of the Western European Nuclear Regulators’ Association WENRA.

    Documents, Emergency Preparedness, IDA NOMEX, Other documents
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  • 2014 ENSI Oversight Report – ENSI-AN-9252

    In 2014, the licensees complied with their statutory obligations to provide ENSI with reports and nuclear safety at all plants was rated as good. There were 38 reportable events in the Swiss nuclear power plants: During the year under review, there was one reactor scram, which occurred on 5 July 2014 at the Leibstadt nuclear power plant. On the international Event Scale…

    Annual reports, Documents, Events, Nuclear Facilities, Nuclear Power Plants
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  • Radiological Protection report 2014 – ENSI-AN-9258

    In its 11th Annual Report on Radiological Protection, ENSI summarises and analyses the release of radioactive materials from Swiss nuclear facilities. All nuclear facilities complied with the limits in 2014 and in some cases by a very large margin.

    Annual reports, Documents, Emissions, Measured Value about Swiss nuclear power plants, Radiation Protection
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