ML11200A109
| ML11200A109 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 07/14/2011 |
| From: | Hinson A Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| Hinson A | |
| Shared Package | |
| ML11200A124 | List: |
| References | |
| Download: ML11200A109 (37) | |
Text
TVA Phase 0 Meeting BLN/NRC Bellefonte Digital I&C Upgrades Alvin Hinson - TVA I&C Engineering Manager July 14, 2011 July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 1
Agenda
- 1. Bellefonte I&C Systems Physical Status
- 2. Conceptual Plan for I&C Systems
- 3. Applicable Topical Reports
- 4. Diversity and Defense in Depth
- 5. Preliminary Allocation of Codes and Standards
- 6. Digital Systems Program Manual
- 7. Digital Development Processes
- 9. Projected Timeline for Digital I&C Requirements Development
- 10. Compliance with Current NRC Guidance, Positions and Documentation Requirements
- 11. Projected Submittal Timeline for I&C
- 12. Summary July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 2
TVA, AREVA, CSI-Westinghouse
- Lionel Bates - AREVA I&C Advisory Engineer
- Fernando Ricart - AREVA I&C Technical Manager
- Stuart Bondurant - AREVA I&C Product Line Manager
- Steve Seaman - CSI-W Fellow Engineer
- Finley Nunn - CSI-W Technical Lead
- Jim Hawks - TVA Oversight
Bellefonte I&C Systems Physical Status RPS Cabinet SSCS Logic Cabinet ESFAS Cabinets July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 4
Conceptual Plan for I&C Systems Basic Architecture July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 5
Conceptual Plan for I&C Systems (Continued)
Data Communication Network concept July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 6
Conceptual Plan for I&C Systems (Continued)
Protection System Architecture Concept July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 7
Conceptual Plan for I&C Systems (Continued)
RPS Architecture / Signal Processing July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 8
Conceptual Plan for I&C Systems (Continued)
ESFAS Architecture / Signal Processing July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 9
Conceptual Plan for I&C Systems (Continued)
SSCS Implementation with ALS July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 10
Conceptual Plan for I&C Systems (Continued)
SSCS Implementation July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 11
Conceptual Plan for I&C Systems (Continued)
Advanced Logic System (ALS)
A Typical Rack Contains:
- Core Logic Board
- Specific logic functions for the particular application
- Input Boards
- Conditioning, sensing, filtering, and sampling inputs
- Output Boards
- Controlling and conditioning outputs
- Communications Boards
- Communication links for interfacing between ALS racks July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 12
Conceptual Plan for I&C Systems (Continued)
Primary Platforms/Features
- Migrate SSCS to CSI/Westinghouse FPGA-based Advanced Logic System
- Migrate non-safety related controls to Siemens T3000 digital platform
- Diverse Actuation System will be implemented using conventional I&C (Backup Trip, D3)
- Safety related hardwired manual controls via SSCS
- Non-safety related HMI soft controls via T3000 July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 13
Conceptual Plan for I&C Systems (Continued)
Modern Control Room Concept July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 14
Conceptual Plan for I&C Systems (Continued)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 15
Applicable Topical Reports Advanced Logic Systems (ALS)
Report No. Title Date 6002-00301 R1 Advanced Logic System Topical Report Submitted to the NRC on August 13, 2010 SER Expected 2Q 2012 6002-00031 R1 ALS Diversity Analysis Submitted to the NRC on July 29, 2010 SER Expected 2Q 2012 6002-00000 R0 ALS Management Plan Submitted to the NRC on July 29, 2010 SER Expected 2Q 2012 Basis for Platform and Product Development Lifecycle Processes July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 16
Applicable Topical Reports TELEPERM XS (TXS)
Report No. Title Date EMF-2110 R1 TELEPERM XS: A Digital Reactor Protection System Approved in May 2000 EMF-2267 Siemens Power Corporation Methodology Report for Approved with EMF-2110 R1 Diversity and Defense-in-Depth ANP-10272 Software Program Manual for TELEPERM XS Safety Submitted to NRC in December 2006 Systems Revision 3 Submitted in October 2010 SER Expected 3Q 2011 ANP-10303 SIVAT: TELEPERM XS Simulation Validation Test Tool Submitted to NRC in June 2009 SER Expected 3Q 2011 Basis for Platform and Software Development Lifecycle Processes July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 17
Diversity and Defense in Depth Analysis Strategy
- Common Mode Failure vulnerabilities assessment methodology using guidance provided in:
- Topical Report EMF-2267(P)
- BTP 7-19 evaluation criteria
- NUREG/CR-6303 and DI&C-ISG-02 guidance
- Implementation document will be modeled after U.S.
EPR Technical Report ANP-10304, Revision 3, U.S.
EPR Diversity and Defense-in-Depth Assessment Goal Is No Reliance on Operator Action for D3 Mitigation in First 30 Minutes July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 18
Diversity and Defense in Depth Analysis Strategy (continued)
- Consequence analysis methodology using best estimate assumptions
- Consistent with assumptions used for Oconee and U.S. EPR
- No concurrent Loss of Offsite Power
- No concurrent Single Failures
- Normal BOP (Non-Safety) Integrated Control System and other control systems in Automatic and functioning
- Realistic initial conditions and core parameters
- Based on computer codes to be adapted to reflect new B&W 205 fuel and core design Expect Results Similar to Oconee Based on Similarity of NSSS Designs July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 19
Diversity and Defense in Depth Analysis Strategy (continued)
- Human reliability analysis methodology
- Not anticipated; However, any required manual operator actions in D3 analyses will be assessed using SRP Appendix 18-A July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 20
Diversity and Defense in Depth SSCS - ALS Internal Diversity
- The SSCS is a redundant train based system
- Diversity is internally provided as described in the Advanced Logic System (ALS) Topical Report (ML102570797)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 21
Preliminary Allocation of Codes and Standards July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 22
Preliminary Allocation of Codes and Standards (continued)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 23
Preliminary Allocation of Codes and Standards (continued)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 24
Preliminary Allocation of Codes and Standards (continued)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 25
Digital System Program Manual (DSPM)
- DSPM will establish vendors requirements for high quality development process consistent with SRP Appendix 7.0-A (Digital I&C Systems), including BTP 7-14 (Software for Digital I&C Systems)
- DSPM will also address plans for maintaining digital system quality
- DSPM will address important-to-safety, non-safety and COTS digital systems
- DSPM will also address vendor oversight plans/activities July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 26
Digital System Program Manual (Continued)
DSPM, Plans, & Implementing Procedures Development No vendor digital systems life cycle activities will begin until the DSPM and associated plans and procedures are issued.
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 27
Digital Development Processes
- TELEPERM XS Methods for Software Development
- Described in Topical Report ANP-10272 Revision 3 (Software Program Manual)
- Structured to Satisfy BTP 7-14 evaluation criteria
- Using Topical Report ANP-10303P for Software Validation Testing Tool
- Implementation of design documents will be modeled after Oconee RPS/ESPS Project
- Implementation of Verification and Validation Documents will be modeled after Oconee RPS/ESPS Project with process improvements outlined in ANP-10272 and ANP-10303P Lessons learned from Oconee Project are incorporated into TELEPERM XS Software Program Manual July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 28
Digital Development Processes (continued)
- ALS methods for electronics and FPGA development
- Described in Electronics Development Procedure 9000-00311, Revision 4
- Described in FPGA Development Procedure 9000-00313, Revision 2
- ALS Platform compliance with software life cycle follows guidance specified in BTP 7-14 for applicable life cycle activities
- ALS platform development is structured to follow a traditional waterfall lifecycle process.
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 29
- TVA will develop a Cyber Security Plan to address RG 1.152 and RG 5.71 for Bellefonte
- TELEPERM XS Methods for Software Development Security
- Described in Topical Report ANP-10272 Revision 3 Appendix C (Software Program Manual)
- Structured to Satisfy RG 1.152 and RG 5.71 Section C.12 Evaluation Criteria
- Implementation documentation will be modeled after Oconee RPS/ESPS Project July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 30
Cyber Security (continued)
- ALS Platform Security
- Described in Section 8 of Advanced Logic System Topical Report 6002-00301 Revision 0
- Structured to Satisfy RG 5.71, Cyber Security Programs For Nuclear Facilities Requirements
- ALS Development Process Meets Intent of RG 1.152, Revision 3 (DG-1249)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 31
Projected Timeline for Digital I&C Requirements Development July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 32
Compliance with Current NRC Guidance, Positions and Documentation Requirements
- TVA does not plan any significant variances from NRC Staff Guidance or positions
- ISG-06 Enclosure B, Phase 1, Documentation Review
- ISG-06 Enclosure B documents will be either submitted or available for audit, as agreed between TVA and the NRC
- ISG-06 Enclosure B, Phase 2, Documentation Review
- ISG-06 Enclosure B documents will be either submitted or available for audit, as agreed between TVA and the NRC
- ISG-06 Enclosure B, Phase 3, Inspection
- ISG-06 Enclosure B documents will be available to support inspection July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 33
Projected Submittal Timeline for I&C
- TVA Digital System Program Manual (DSPM) 3Q 2012
- Setpoint Methodology 4Q 2012
- TVA and Vendor DSPM Program Plans 2Q 2013
- TVA and Vendor DSPM Program Procedures (available for review) 3Q 2013
- Safety & Critical Non-Safety Control Systems Functional Requirements Specifications 3Q 2013
- Safety & Critical Non-Safety Control Systems Equipment Specifications 3Q 2013
- Safety & Critical Non-Safety Control Systems Basic Design Phase Submittals 3Q 2014
- Phase 1 Submittals Complete 4Q 2014
- Safety & Critical Non-Safety Control Systems Detailed Design Phase Submittals 2Q 2015
- Safety & Critical Non-Safety Control Systems Implementation & FAT Phase Submittals 4Q 2015
- Phase 2 Submittals Complete 1Q 2016
- Safety & Critical Non Safety Control Systems Site Installation & Pre-Op Testing 4Q 2016
- Phase 3 Submittals Complete 1Q 2017 July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 34
Summary
- Interdivisional Communications - For Voting Only
- Safety to Non-Safety Communications
- TXS Service Units are not continuously connected
- Data communication between safety and non-safety platforms are one way via port tap
- Discrete (binary) interfaces between non-safety and safety with qualified isolation July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 35
Summary
- Proposed Tier 2 Review
- Tier 1 - Referenced previously approved Topical Report - NO
- Tier 2
- Referenced previously approved Topical Report WITH exceptions - YES
- Similarities to other plant previous approval - YES
- Tier 3 - New digital I&C platforms - NO July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 36
Summary
- Open Discussion July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 37