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WENRA Current activities of WENRA 4th GNSSN Steering Committee Meeting

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Presentation on theme: "WENRA Current activities of WENRA 4th GNSSN Steering Committee Meeting"— Presentation transcript:

1 WENRA Current activities of WENRA 4th GNSSN Steering Committee Meeting
Vienna, 30 June – 2 July 2014 Dieter Müller-Ecker (GRS mbH – Germany) Head of WENRA Technical Secretariat

2 4th GNSSN Steering Committee Meeting Vienna, 30 June – 2 July 2014
Contents 4th GNSSN Steering Committee Meeting Vienna, 30 June – 2 July 2014 01 WENRA 02 WENRA WGWD 03 WENRA RHWG 04 WENRA Recommendation 05 Summary 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

3 01 WENRA 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

4 01 WENRA Basic facts Association of the Heads of nuclear regulatory authorities of the EU countries with NPP and Switzerland Original Terms of Reference signed on 4 February 1999 (10 countries) Revised on 14 March 2003 (17 countries) Revised on 26 March 2010 Independent club of regulators European center of competence for Nuclear Safety Chairman Hans Wanner / ENSI 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

5 01 WENRA Policy statement
“We the heads of the national Nuclear Safety Authorities, members of WENRA commit ourselves to continuous improvement of nuclear safety in our respective countries.” “Nuclear safety and radiation protection are based on the principle of the prime responsibility of the operators. The role of national regulators is to ensure that this responsibility is fully secured in compliance with the regulatory requirements.” “In order to work together, we created the Western European Nuclear Regulators’ Association (WENRA)” … 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

6 01 WENRA Basic facts 17 Members 9 Observers 137 NPP in operation
4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

7 01 WENRA Main Objectives To develop a common approach to selected nuclear safety and radiation protection issues and their regulation, in particular within the European Union To provide the European Union Institutes with an independent capability to examine nuclear safety and its regulation in applicant countries To serve as a network of chief nuclear safety regulators exchanging experience and discussing significant safety issues WENRA plenary meeting 2/yr 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

8 Technical Working Groups
01 WENRA Technical Working Groups Technical Working Groups have been established to harmonize safety approaches and continuously improve nuclear safety: RHWG Reactor Harmonization Working Group WGWD Working Group on Waste and Decommissioning Ad-hoc working groups Members Senior experts from all WENRA countries Meetings 3/yr and subgroups 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

9 WENRA Working Group on Waste and Decommissioning WGWD
02 WENRA Working Group on Waste and Decommissioning WGWD 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

10 02 WENRA WGWD WGWD activities Disposal Umbrella Document
Decommis-sioning Conditioning Storage 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

11 02 WENRA WGWD WGWD activities
Harmonization of requirements in the field of radioactive waste and spent fuel storage and decommissioning Waste and Spent Fuel Storage Report on implementation of Safety Reference Levels published in April 2014 ( 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

12 02 WENRA WGWD WGWD activities Decommissioning and Disposal
Reports on implementation of Safety Reference Level will be finalized in 2014 Report on Conditioning and Umbrella Document Future work 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

13 WENRA Reactor Harmonization Working Group RHWG
03 WENRA Reactor Harmonization Working Group RHWG 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

14 03 WENRA RHWG RHWG activities
Complete set of 284 Reactor Safety Reference Levels (SRL) published in 2006 Revised set of 295 SRL based on stakeholder comments published in 2008 Implementation >80% in 14 countries, 100% in 8 countries Revision of SRL based on lessons from Fukushima started in 2012 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

15 03 WENRA RHWG RHWG activities
After Fukushima review of the SRLs with regard to the lessons learnt from the accident Establishment of ad-hoc Working Groups New Ad-hoc Working Groups (post Fukushima) Mutual assistance  Mandate fulfilled in 2013 Periodic safety review  Mandate fulfilled in 2013 Containment integrity Accident management Review of SRL completed in 2014 Natural hazards Guidelines in preparation 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

16 03 WENRA RHWG Mutual assistance Actions taken:
Creation of Emergency Database DEEPER Development of Database by WG Terms of Reference agreed European reactor designs Test phase ongoing Several recommendations on exchange and coordination of technical and radiological assessments  HERCA 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

17 Periodic Safety Review
03 WENRA RHWG Periodic Safety Review WENRA Position Paper March 2013 see 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

18 Review and Revision of SRL
03 WENRA RHWG Review and Revision of SRL Review took into account explicitly: principle of continues improvement safety culture safety of spent fuel pools sites with multiple reactors conditions at the site after an accident need for independent and diverse heat removal means beyond design basis conditions A new “issue” dedicated to natural hazards has been established 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

19 Review and Revision of SRL
03 WENRA RHWG Review and Revision of SRL SRL and accompanying report was put for stakeholder comments on WENRA web-page for three months all important European stakeholders informed approx. 100 comments all comments have been considered in the review approval of SRL is ongoing Publishing is foreseen on a 15-years WENRA side-event during General Conference 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

20 342 Safety Reference Levels
03 WENRA RHWG 342 Safety Reference Levels Safety Management A Safety Policy B Operating Organization C Management System D Training and Authorization of NPP staff Design E Design Basis Envelope for Existing Reactors F Design Extension of Existing Reactors G Safety Classification of Structures, Systems and Components Operation H Operational Limits and Conditions I Ageing Management J System for Investigation of Events and Operational Experience Feedback K Maintenance, In-service inspection and Functional Testing LM Emergency Operating Procedures and Severe Accident Management Guidelines Safety verification N Contents and updating of Safety Analysis Report O Probabilistic Safety Analysis P Periodic Safety Reviews Q Plant Modifications Emergency preparedness R On-site Emergency Preparedness S Protection against Internal Fires T Natural hazards (new issue after Fukushima) 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

21 Review and Revision of SRL
03 WENRA RHWG Review and Revision of SRL Guidance Documents (in preparation): Guidance document on natural hazards (Issue T) Head document; explaining the understanding of the SRLs Particular appendices for: Earthquake Flooding Extreme weather conditions Guidance document on design extension (Issue F) Purpose is to provide improved understanding of the intent of the Safety Reference Levels of Issue F for consistent interpretation Concept of “Design Extension Conditions” (DEC) is used DEC-B involving a severe accident or DEC-A not involving a severe accident 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

22 WENRA Recommendation on flaw indications
04 WENRA Recommendation on flaw indications 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

23 04 WENRA Recommendation 2-step verification of materials quality and structural integrity of reactor pressure vessels: Comprehensive review of RPV manufacturing and inspection records Examination of the base material of the vessels Evaluation of national activities is ongoing Until now no further indications 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

24 05 Summary 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

25 05 Summary Harmonization in the field of waste and decommissioning is ongoing Actions taken by WENRA due to lessons from Fukushima Review and revision of SRL, publishing in autumn New guidance documents on natural hazards and design extensions Database DEEPER WENRA recommendation in connection with flaw indications in Belgian reactors Overall review of SRL will be started including a focus on requirements for new builds 4th GNSSN Steering Committee Meeting / Vienna 30 June – 2 July 2014/ Dieter Müller-Ecker

26 Thank you WENRA Dieter Müller-Ecker (GRS mbH – Germany)
RHWG REACTOR HARMONISATION WORKING GROUP WGWD WORKING GROUP ON WASTE AND DECOMISSIONING Thank you WENRA Dieter Müller-Ecker (GRS mbH – Germany) Head of WENRA Technical Secretariat

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