NATIONAL REPORT OF THE SLOVAK REPUBLIC COMPILED IN TERMS OF THE CONVENTION ON NUCLEAR SAFETY JUNE 2010 Table of Contents Table of contents PREFACE ............................................................................................................................................... 11 1 INTRODUCTION .......................................................................................................................... 14 1.1 PURPOSE OF THE REPORT .............................................................................................................. 14 1.2 CONCEPTION OF UTILIZATION OF NUCLEAR SOURCES IN THE SLOVAK REPUBLIC ................................ 14 2 NUCLEAR INSTALLATIONS IN THE SLOVAK REPUBLIC IN TERMS OF THE CONVENTION ............................................................................................................................. 18 2.1 NUCLEAR POWER PLANT BOHUNICE - UNITS V-1 .............................................................................. 18 2.1.1 Description of the NPP V-1 units ............................................................................................ 18 2.1.2 Performed Safety Assessment of Bohunice V-1 Units........................................................... 19 2.1.2.1 External review missions ................................................................................................................. 19 2.1.2.2 NPP V-1 safety report ..................................................................................................................... 19 2.2 NUCLEAR POWER PLANT BOHUNICE - V-2 UNITS .............................................................................. 20 2.2.1 Description of NPP V-2 units .................................................................................................. 20 2.2.2 Performed safety assessment of NPP V-2 units .................................................................... 21 2.2.2.1 External review missions ................................................................................................................. 21 2.2.2.2 V-2 NPP accident analyses ............................................................................................................. 21 2.2.2.3 Probabilistic safety assessment ...................................................................................................... 23 2.2.3 Safety report and periodic safety assessment ....................................................................... 26 2.2.3.1 Safety report .................................................................................................................................... 26 2.2.3.2 Periodic safety review ..................................................................................................................... 27 2.2.4 Programs of NPP V-2 units safety improvement ................................................................... 28 2.2.4.1 Project Program on Modernization and Improvement of NPP V-2 safety (MOD V-2) realized from 2002 to 2008 ................................................................................................................................... 28 2.3 NUCLEAR POWER PLANT MOCHOVCE - UNIT 1 AND 2 ....................................................................... 30 2.3.1 Description of Nuclear Power Plant Mochovce ...................................................................... 30 2.3.2 Performed assessments of units in Mochovce ...................................................................... 31 2.3.2.1 External Review Missions................................................................................................................ 31 2.3.2.2 Accident Analyses (including capacity increase) ............................................................................ 32 2.3.2.3 Probabilistic Safety Assessment ..................................................................................................... 33 2.3.3 Programs of Mochovce Units Safety Improvements - historical review ................................. 33 2.3.3.1 Study and Analysis Phase............................................................................................................... 34 2.3.3.2 Project Development Phase ............................................................................................................ 34 2.3.3.3 Implementation of Safety Measures ................................................................................................ 34 2.3.4 Safety report and periodic safety assessment ....................................................................... 35 2.3.4.1 Safety report .................................................................................................................................... 35 2.3.4.2 Periodic Safety Review (PSR EMO12) ............................................................................................ 36 2.3.5 Completion of Nuclear Power Plant Mochovce unit 3 and 4 – historical overview ................. 36 2.3.5.1 Decision on NPP Mochovce Siting .................................................................................................. 36 2.3.5.2 Construction Permit for NPP Mochovce .......................................................................................... 37 2.4 NUCLEAR POWER PLANT BOHUNICE A-1 ......................................................................................... 38 2.4.1 Description of Nuclear Power Plant A-1 ................................................................................. 38 2.4.2 Power Plant Decommissioning Program ............................................................................... 38 2.5 INTERIM SPENT FUEL STORAGE - MSVP ......................................................................................... 39 2.5.1 Description of Used Technology ............................................................................................ 39 National Report of the Slovak Republic Page 3/140 Table of Contents 2.5.2 Conducted MSVP Safety Reviews ........................................................................................ 40 2.5.3 MSVP Safety Improvements Programs ................................................................................ 41 2.6 TECHNOLOGIES OF RAW TREATMENT AND CONDITIONING .............................................................. 41 2.6.1 Brief technology description .................................................................................................. 41 2.6.2 Conducted safety reviews of facilities ................................................................................... 41 2.7 RAW REPOSITORY ........................................................................................................................ 42 2.7.1 Brief technology description .................................................................................................. 42 2.7.2 Conducted safety reviews of facilities ................................................................................... 43 3 LEGISLATION AND REGULATION ........................................................................................... 44 3.1 LEGISLATIVE AND REGULATORY FRAMEWORK ................................................................................. 44 3.1.1 Structure of regulatory bodies ............................................................................................... 44 3.1.2 Legislation ............................................................................................................................. 46 3.1.2.1 Introduction ...................................................................................................................................... 46 3.1.2.2 Acts on state regulation ................................................................................................................... 47 3.1.2.3 Draft legislation ................................................................................................................................ 51 3.1.3 State regulation in the field of nuclear safety......................................................................... 51 3.1.3.1 Nuclear installation licensing procedure .......................................................................................... 52 3.1.3.2 Regulatory Authority - UJD .............................................................................................................. 53 3.1.3.3 Role of the regulatory authority ....................................................................................................... 55 3.1.3.4 International Cooperation ................................................................................................................ 57 3.1.4 State regulation in health protection against radiation ........................................................... 58 3.1.4.1 Procedure of granting a permit ........................................................................................................ 59 3.1.4.2 State regulation ............................................................................................................................... 59 3.1.5 State regulation in the field of labour inspection .................................................................... 60 3.1.5.1 Activity of the Labour Inspectorate Nitra .......................................................................................... 61 3.1.5.2 Supervision methods of labour inspection body .............................................................................