convencion ingles q6.qxp 17/9/07 17:34 Página 1 SPAIN Convention on Nuclear Safety Fourth National Report September 2007 convencion ingles q6.qxp 17/9/07 17:34 Página 2 © Copyright 2007, Consejo de Seguridad Nuclear Edita y distribuye: Consejo de Seguridad Nuclear C/ Pedro Justo Dorado Dellmans, 11. 28040 Madrid (España) www.csn.es [email protected] Imprime: Elecé Industria Gráfica Depósito Legal: M- ?????- 2007 convencion ingles q6.qxp 17/9/07 17:34 Página I Table of contents Introduction ................................................................... 1 Presentation of the Report .................................................. 1 Drawing up of the Fourth Report on the Convention on Nuclear Safety .............................................................................. 1 CHAPTER 2. OBLIGATIONS a) General provisions Article 6. Existing nuclear facilities ..................................... 3 6.1 Nuclear safety issues of greatest significance for each plant during the period .............................................. 3 6.2 Generic nuclear safety issues and regulatory practices initiated or completed during the period....................... 8 6.3 Safety improvement programmes implemented at the Spa- nish nuclear power plants on the initiative of the regulator and/or licensee ......................................................... 10 6.3.1 Integrated Probabilistic Safety Assessment program- me ............................................................... 10 6.3.2 Design Basis Review Programme ...................... 11 6.3.3 Other generic nuclear safety improvement program- mes.............................................................. 11 6.3.4 Plant specific safety improvement programmes....... 14 6.4 Generic evaluation of continued operation based on the safety level of the Spanish nuclear power plants............ 18 6.5 Degree of compliance with the obligations of the Convention... 19 Appendix 6.A: Basic characteristics of the Spanish nuclear power plants................................................................... 21 b) Legislation and regulation Article 7. Legal and regulatory framework ............................. 25 7.1 Main modifications to the legal framework.................... 25 7.1.1 Law on the Consejo de Seguridad Nuclear (Nucle- ar Safety Council) .......................................... 25 I convencion ingles q6.qxp 17/9/07 17:34 Página II 7.1.2 Legal standards ............................................. 25 7.1.3 Regulatory standards and other binding administrative acts................................................................ 26 7.1.4 Main issues addressed by the CSN guides published during the period ........................................... 28 7.2 Degree of compliance with the obligations of the Convention .. 28 Appendix 7.A: CSN Instructions published up to June 2007 ... 29 Appendix 7.B: CSN Safety Guides published up to 2007 ... 33 Article 8. Regulatory body................................................... 39 8.1 Functions and responsibilities of the MITYC ................. 39 8.1.1 Organizational Structure ................................. 39 8.1.2 Coordination of Nuclear R&D Activities ............. 40 8.1.3 Participation in International Organizations and Activities ...................................................... 40 8.2 Functions and Responsibilities of the CSN ................... 40 8.2.1 Structure of the CSN ...................................... 41 8.2.2 Review of the Strategic Orientation Plan ........... 43 8.2.3 CSN Internal Quality Plan ............................... 43 8.2.4 Review of CSN financing / CSN resources and personnel ...................................................... 44 8.2.5 CSN Personnel Training Plan ........................... 46 8.2.6 Evolution of CSN International Relations ........... 47 8.2.7 Evolution of R&D activities and results obtained.... 51 8.2.8 CSN public information policy ......................... 52 8.3 Regulatory efficiency improvement programmes ............ 54 8.3.1 Improvement of the efficiency of the regulatory body’s processes ............................................ 54 8.3.2 Improvement of the efficiency of licensee proces- ses interacting with those of the Regulatory Body..... 56 8.4 Degree of compliance with the obligations of the Conven- tion ......................................................................... 56 Appendix 8.A: Procedures approved as of April 16, 2007 .. 57 Appendix 8.B: R&D Projects Completed during the 2004-2006 period ........................................................................................ 65 II convencion ingles q6.qxp 17/9/07 17:34 Página III Article 9. Responsibilities of the Licensee ............................ 69 9.1 Legal and organisational changes during the period ....... 69 9.2 CSN regulatory strategy in relation to the licensee's orga- nization ................................................................... 69 9.3 Liability for nuclear damage ....................................... 70 9.3.1 Regime in force ............................................. 70 9.3.2 Revision of the regime in force......................... 70 9.4 Degree of compliance with the obligations of the Conven- tion ......................................................................... 71 c) General Considerations in relation to Nuclear Safety Article 10. Safety priority .................................................. 73 10.1 Main activities performed during the period by the licen- see in relation to safety culture ................................... 73 10.2 Regulatory control of licensee activities ....................... 75 10.3 Degree of compliance with the obligations of the Conven- tion ......................................................................... 75 Article 11. Financial and human resources ........................... 77 11.1 Significant changes during the period as regards the li- censee's financial and human resources ....................... 77 11.2 Significant changes during the period in the licensee's personnel training programmes ................................... 78 11.3 Regulatory supervision of the licensee's financial and hu- man aspects ............................................................. 79 11.4 Degree of compliance with the obligations of the Conven- tion ......................................................................... 80 Article 12. Human factors .................................................. 81 12.1 Significant licensee activities during the period ............ 81 12.2 Regulatory control of licensee activities ....................... 81 12.3 Degree of compliance with the obligations of the Conven- tion ......................................................................... 82 Article 13. Quality assurance .............................................. 83 13.1 Significant licensee activities carried out during the pe- riod in relation to quality systems................................ 83 13.2 Regulatory control of Licensee activities....................... 83 III convencion ingles q6.qxp 17/9/07 17:34 Página IV 13.3 Degree of compliance with the obligations of the Conven- tion ......................................................................... 84 Article 14. Safety Assessment and supervision ...................... 85 14.1 Introduction ............................................................. 85 14.2 Modifications to the system for assessment and verification and safety performed by the Licensee during this period....... 85 14.3 CSN supervision activities and results obtained............. 88 14.4 Situation of the Probabilistic Safety Assessment during the period ................................................................ 89 14.5 Results obtained from Periodic Safety Reviews.............. 91 14.6 Degree of compliance with the obligations of the Conven- tion ......................................................................... 92 Article15. Radiation Protection ........................................... 95 15.1 Summary of Laws, regulations and requirements referring to radiation protection at nuclear power plants.............. 95 15.1.1 Law Creating the Nuclear Safety Council (CSN) .... 95 15.1.2 Regulation on Health Protection against Ionising Radiations..................................................... 95 15.2 Control activities for the radiation protection of exposed workers.................................................................... 96 15.2.1 Dose limits.................................................... 96 15.2.2 Surveillance and control of occupational exposure... 96 15.2.3 Radiation work permits ................................... 97 15.2.4 Specific measures adopted for contractor company personnel...................................................... 97 15.2.5 Measures adopted to guarantee that occupational exposure to radiations is maintained within ALARA levels ........................................................... 98 15.3 Control activities for the radiation protection of the popu- lation ...................................................................... 99 15.3.1 Compliance with the conditions on the release of radioactive substances............................................... 99 15.3.2 Environmental radiological surveillance............. 99 15.3.3 Epidemiological study..................................... 100 15.4 Degree of compliance with the obligations of the Conven- tion ........................................................................... 101