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  • Repairing the defects on the bottom of Gravelines 1’s reactor pressure vessel
    and Appraisals in France OSART Mission conducted in France WENRA Reports Section map Section map International International reference texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Information News releases Repairing the defects on the bottom of Gravelines 1 s reactor pressure vessel Print Mettre en favoris Share on Information News releases Publications ASN s videos Back to news list ASN examines the conditions for repairing the defects detected in a through wall penetration on the bottom of Gravelines 1 s reactor pressure vessel 20 12 2011 10 45 am Note d information View of vessel and TWP During an inspection carried out during the third ten yearly visit of Gravelines 1 s reactor EDF detected defects in a through wall penetration on the bottom of the reactor pressure vessel A through wall penetration TWP on the bottom of the pressure vessel is a tube positioned at the bottom of a reactor vessel in a nuclear power station The TWP is welded to the bottom of the vessel Its role is to permit the introduction of instrumentation probes into the reactor core 50 TWP are positioned in Gravelines 1 s reactor vessel A leaking TWP would represent a breach in the reactor s primary circuit Small cracks were detected on a TWP within the framework of a national inspection programme carried out during the ten yearly visits of certain reactors This inspection programme was

    Original URL path: http://www.french-nuclear-safety.fr/Information/News-releases/Repairing-the-defects-on-the-bottom-of-Gravelines-1-s-reactor-pressure-vessel (2016-01-29)
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  • EPR Pressurised Water Reactor
    texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Information News releases EPR Pressurised Water Reactor Print Mettre en favoris Share on Information News releases Publications ASN s videos Back to news list Joint Regulatory Position Statement on the EPR Pressurised Water Reactor 02 11 2009 1 57 pm Note d information 1 The UK nuclear safety regulator HSE s ND the French nuclear regulator ASN and the Finnish nuclear regulator STUK are currently working to assess the EPR Pressurised Water Reactor 2 In carrying out individual assessments we have all raised issues regarding the EPR Control and Instrumentation C I systems which the proposed licensees and or the manufacturer AREVA are in the process of addressing 3 Although the EPR design being developed for each country varies slightly the issues we raised with the current C I system are broadly similar our aim being to collectively obtain the highest levels of safety from the EPR 4 The issue is primarily around ensuring the adequacy of the safety systems those used to maintain control of the plant if it goes outside normal conditions and their independence from the control systems those used to operate the plant under normal conditions 5 Independence is important because if a safety system provides protection against the failure of a control system then they should not fail together The EPR design as originally proposed by the licensees and the

    Original URL path: http://www.french-nuclear-safety.fr/Information/News-releases/EPR-Pressurised-Water-Reactor (2016-01-29)
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  • EPR Pressurised Water Reactor
    Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home ASN About ASN The ASN doctrine The ASN position statements EPR Pressurised Water Reactor Print Mettre en favoris Share on ASN About ASN Activities monitored by ASN The ASN doctrine The general policies of ASN The ASN position statements Position of the ASN Commission The safety of new nuclear reactor Position statement by the college in relation to the production of Extension of the operating lifetime of 900 MWe nuclear reactors up to 40 years The ASN adopts a position on small beam radiotherapy treatments radiosurgery EPR Pressurised Water Reactor New nuclear reactors built around the world The ASN strategy The ASN commission The ASN organisation Technical support Professional events Contact us Back to news list Joint Regulatory Position Statement on the EPR Pressurised Water Reactor 02 11 2009 1 57 pm Note d information 1 The UK nuclear safety regulator HSE s ND the French nuclear regulator ASN and the Finnish nuclear regulator STUK are currently working to assess the EPR Pressurised Water Reactor 2 In carrying out individual assessments we have all raised issues regarding the EPR Control and Instrumentation C I systems which the proposed licensees and or the manufacturer AREVA are in the process of addressing 3 Although the EPR design being developed for each country varies slightly the issues we raised with the current C I system are broadly similar our aim being to collectively obtain the highest levels of safety from the EPR 4 The issue is primarily around ensuring the adequacy of the safety systems those used to maintain control of the plant if it goes outside normal conditions and their independence from the

    Original URL path: http://www.french-nuclear-safety.fr/ASN/About-ASN/The-ASN-doctrine/The-ASN-position-statements/EPR-Pressurised-Water-Reactor (2016-01-29)
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  • ASN resolution 2012-DC-0290 of 26 June 2012
    for complementary safety assessments ASN resolutions ASN report Targeted inspections Operators reports french only European stress tests CSA Videos Supervision of the epr reactor Principles for the construction of EPR Resources Project concerning the installation of an EPR at Penly Section map ASN About ASN Activities monitored by ASN The ASN doctrine The ASN strategy The ASN commission The ASN organisation Contact us Technical support ASN s Scientific Committee The IRSN The Advisory Committees Approving organisations and laboratories ASN s other technical support organisations Professional events Radon national action plan workshop International Conference on Modern Radiotherapy 2 4 December 2009 IAEA ASN workshop 22 23 March 2007 Symposium international NuPEER Convention on Nuclear Safety Joint Convention on the safety of spent fuel management IAEA Safety Reviews and Appraisals in France OSART Mission conducted in France WENRA Reports Section map Section map International International reference texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Inspections European stress tests ASN resolutions ASN resolution 2012 DC 0290 of 26 June 2012 Print Mettre en favoris Share on Inspections European stress tests Stress Test News Milestones for complementary safety assessments Complementary safety evaluation of French nuclear installations ASN resolutions ASN report Targeted inspections Licensee reports french only European stress tests Stress Test videos Follow up Activities National Action Plans Supervision of the epr reactor ASN resolution 2012 DC 0290 of 26 June 2012 Published on 01 03 2013

    Original URL path: http://www.french-nuclear-safety.fr/Inspections/European-stress-tests/ASN-resolutions/ASN-resolution-2012-DC-0290-of-26-June-2012 (2016-01-29)
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  • ASN resolution 2012-DC-0291 of 26 June 2012
    for complementary safety assessments ASN resolutions ASN report Targeted inspections Operators reports french only European stress tests CSA Videos Supervision of the epr reactor Principles for the construction of EPR Resources Project concerning the installation of an EPR at Penly Section map ASN About ASN Activities monitored by ASN The ASN doctrine The ASN strategy The ASN commission The ASN organisation Contact us Technical support ASN s Scientific Committee The IRSN The Advisory Committees Approving organisations and laboratories ASN s other technical support organisations Professional events Radon national action plan workshop International Conference on Modern Radiotherapy 2 4 December 2009 IAEA ASN workshop 22 23 March 2007 Symposium international NuPEER Convention on Nuclear Safety Joint Convention on the safety of spent fuel management IAEA Safety Reviews and Appraisals in France OSART Mission conducted in France WENRA Reports Section map Section map International International reference texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Inspections European stress tests ASN resolutions ASN resolution 2012 DC 0291 of 26 June 2012 Print Mettre en favoris Share on Inspections European stress tests Stress Test News Milestones for complementary safety assessments Complementary safety evaluation of French nuclear installations ASN resolutions ASN report Targeted inspections Licensee reports french only European stress tests Stress Test videos Follow up Activities National Action Plans Supervision of the epr reactor ASN resolution 2012 DC 0291 of 26 June 2012 Published on 01 03 2013

    Original URL path: http://www.french-nuclear-safety.fr/Inspections/European-stress-tests/ASN-resolutions/ASN-resolution-2012-DC-0291-of-26-June-2012 (2016-01-29)
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  • ASN resolution 2012-DC-0293 of 26 June 2012
    tests Milestones for complementary safety assessments ASN resolutions ASN report Targeted inspections Operators reports french only European stress tests CSA Videos Supervision of the epr reactor Principles for the construction of EPR Resources Project concerning the installation of an EPR at Penly Section map ASN About ASN Activities monitored by ASN The ASN doctrine The ASN strategy The ASN commission The ASN organisation Contact us Technical support ASN s Scientific Committee The IRSN The Advisory Committees Approving organisations and laboratories ASN s other technical support organisations Professional events Radon national action plan workshop International Conference on Modern Radiotherapy 2 4 December 2009 IAEA ASN workshop 22 23 March 2007 Symposium international NuPEER Convention on Nuclear Safety Joint Convention on the safety of spent fuel management IAEA Safety Reviews and Appraisals in France OSART Mission conducted in France WENRA Reports Section map Section map International International reference texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Inspections European stress tests ASN resolutions ASN resolution 2012 DC 0293 of 26 June 2012 Print Mettre en favoris Share on Inspections European stress tests Stress Test News Milestones for complementary safety assessments Complementary safety evaluation of French nuclear installations ASN resolutions ASN report Targeted inspections Licensee reports french only European stress tests Stress Test videos Follow up Activities National Action Plans Supervision of the epr reactor ASN resolution 2012 DC 0293 of 26 June 2012 Published on 01

    Original URL path: http://www.french-nuclear-safety.fr/Inspections/European-stress-tests/ASN-resolutions/ASN-resolution-2012-DC-0293-of-26-June-2012 (2016-01-29)
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  • ASN resolution 2012-DC-0294 of 26 June 2012
    tests Milestones for complementary safety assessments ASN resolutions ASN report Targeted inspections Operators reports french only European stress tests CSA Videos Supervision of the epr reactor Principles for the construction of EPR Resources Project concerning the installation of an EPR at Penly Section map ASN About ASN Activities monitored by ASN The ASN doctrine The ASN strategy The ASN commission The ASN organisation Contact us Technical support ASN s Scientific Committee The IRSN The Advisory Committees Approving organisations and laboratories ASN s other technical support organisations Professional events Radon national action plan workshop International Conference on Modern Radiotherapy 2 4 December 2009 IAEA ASN workshop 22 23 March 2007 Symposium international NuPEER Convention on Nuclear Safety Joint Convention on the safety of spent fuel management IAEA Safety Reviews and Appraisals in France OSART Mission conducted in France WENRA Reports Section map Section map International International reference texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Inspections European stress tests ASN resolutions ASN resolution 2012 DC 0294 of 26 June 2012 Print Mettre en favoris Share on Inspections European stress tests Stress Test News Milestones for complementary safety assessments Complementary safety evaluation of French nuclear installations ASN resolutions ASN report Targeted inspections Licensee reports french only European stress tests Stress Test videos Follow up Activities National Action Plans Supervision of the epr reactor ASN resolution 2012 DC 0294 of 26 June 2012 Published on 01

    Original URL path: http://www.french-nuclear-safety.fr/Inspections/European-stress-tests/ASN-resolutions/ASN-resolution-2012-DC-0294-of-26-June-2012 (2016-01-29)
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  • ASN resolution 2012-DC-0295 of 26 June 2012
    stress tests Milestones for complementary safety assessments ASN resolutions ASN report Targeted inspections Operators reports french only European stress tests CSA Videos Supervision of the epr reactor Principles for the construction of EPR Resources Project concerning the installation of an EPR at Penly Section map ASN About ASN Activities monitored by ASN The ASN doctrine The ASN strategy The ASN commission The ASN organisation Contact us Technical support ASN s Scientific Committee The IRSN The Advisory Committees Approving organisations and laboratories ASN s other technical support organisations Professional events Radon national action plan workshop International Conference on Modern Radiotherapy 2 4 December 2009 IAEA ASN workshop 22 23 March 2007 Symposium international NuPEER Convention on Nuclear Safety Joint Convention on the safety of spent fuel management IAEA Safety Reviews and Appraisals in France OSART Mission conducted in France WENRA Reports Section map Section map International International reference texts Euratom Treaty IAEA safety standards International conventions Bilateral relations ASN s counterparts Personnel exchanges between ASN and its foreign counterparts Multilateral relations in Europe The European Union Clubs of Nuclear Safety and Radiation Protection Authorities Other organisations Multilateral assistance plans Multilateral relations outside Europe International Atomic Energy Agency Nuclear Energy Agency of the OECD Other UN organisations Other associations of nuclear safety and radiation protection authorities International Commission on Radiological Protection Section map Home Inspections European stress tests ASN resolutions ASN resolution 2012 DC 0295 of 26 June 2012 Print Mettre en favoris Share on Inspections European stress tests Stress Test News Milestones for complementary safety assessments Complementary safety evaluation of French nuclear installations ASN resolutions ASN report Targeted inspections Licensee reports french only European stress tests Stress Test videos Follow up Activities National Action Plans Supervision of the epr reactor ASN resolution 2012 DC 0295 of 26 June 2012 Published on

    Original URL path: http://www.french-nuclear-safety.fr/Inspections/European-stress-tests/ASN-resolutions/ASN-resolution-2012-DC-0295-of-26-June-2012 (2016-01-29)
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