1 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 David Cliff UK Licensing Manager AP1000 Westinghouse.

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Presentation transcript:

1 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 David Cliff UK Licensing Manager AP1000 Westinghouse UK UK Safety Case for the AP1000 ® PWR AP1000 is a trademark or registered trademark of Westinghouse Electric Company LLC, its affiliates and/or its subsidiaries in the United States of America and may be registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

2 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK GDA: Background and ProcessAP1000 GDA Safety CaseLessons learned UK Safety Case for the AP1000 ® Plant Agenda

3 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant Background to GDA Funded Decommissioning ProgrammeRegulatory JustificationGeneric Design AssessmentNational Policy StatementInfrastructure Planning

4 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant GDA Process Phase 1 Generic Design Assessment Step 1 Process Step 2 “Claims” Step 3 “Arguments” Step 4 “Evidence” Phase 2 Site Licensing Site Specific and Operational Issues

5 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK GDA: Background and ProcessAP1000 GDA Safety CaseLessons learned UK Safety Case for the AP1000 ® Plant Agenda

6 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant Options to Achieve Low Core Damage Frequency? 4 Train Safety Injection 4 Train Decay Heat Removal 4 Train Containment Cooling 4 Train Residual Heat Removal 4 Train Diesel Generators Evolutionary plants achieve goals by adding redundant safety features Increased complexity Increased capital Increased O&M cost Leads to:

7 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant Options to Achieve Low Core Damage Frequency? natural circulation of air, water and steam gravity and gas pressure drive the flow of cooling water natural heat transfer occurs through conduction, convection and evaporation Passive Plants achieve goals by using naturally occurring physical phenomena such as: A few battery powered valves align the passive safety systems upon actuation signals Reactor safety functions are achieved without AC power

8 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant Passive Core Cooling System

9 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 1 x x <1 x x U. S. NRC Requirements Current Plants Utility Requirements AP1000 UK Safety Case for the AP1000 ® Plant Core Damage Frequency – All Events

10 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 PowerConcrete, m3Rebar, MT Sizewell B1188 MWe520,00065,000 AP MWe< 100,000< 12,000 UK Safety Case for the AP1000 ® Plant Impact of Passive Systems - Layout

11 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant US & UK Regulatory Approach

12 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant US & UK Regulatory Approach Challenge is to maintain benefits of AP1000 “standard plant” approach

13 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant AP1000 UK Safety Categorisation & Classification

14 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Safety Submission Delivery Pre-Construction Safety Report Revision 0 UK AP1000 Environment Report UKP-GW-GL- 790, Revision 4 Pre-Construction Environment Report Revision 4 Plant Life Cycle Safety Report UKP-GW-GL- 737, Revision 2 Plant Life Cycle Safety Report Revision 2 Design Reference Point Revision 3 The Master Submission List UKP-GW-GLX-001 Revision 0 Roadmap of the UK Generic Design Assessment of the European AP1000 Design April 2011

15 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant GDA Issues “We have committed to consider the adequacy of these Resolution Plans, and if we judge them to be credible, we will publish them and provide an interim Design Acceptance Confirmation (DAC) and interim Statement of Design Acceptability (SoDA) by the end of 2011” - ONR Quarterly Report July 2011

16 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant iDAC iSoDA On Wednesday 14 th December 2011 the Office for Nuclear Regulation and the Environment agency awarded Westinghouse UK with interim Design Acceptance Confirmation (iDAC) and interim Statement of Design Acceptability (iSoDA) certificates respectively.

17 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK GDA: Background and ProcessAP1000 GDA Safety CaseLessons learned UK Safety Case for the AP1000 ® Plant Agenda

18 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant Lessons Learned Strategy Safe Secure Robust DAC/SoDA Structure Multi Party Agreement Joint Programme Office Process Programme Management Regulator Nuclear Interface Protocol 3 way communication People Technical experts Project managers US, European resources Measures Quarterly Reporting Metrics

19 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant From Design to Reality Sanmen Unit 1 1st Concrete Pour, March 31, 2009

20 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 UK Safety Case for the AP1000 ® Plant From Design to Reality Sanmen Site Spring 2013

21 © 2013 Westinghouse Electric Company LLC. All Rights Reserved Westinghouse Non-Proprietary Class 3 Thank you