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
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 1
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 2
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 8.
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
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
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 4
Bellefonte I&C Systems Physical Status SSCS Logic Cabinet ESFAS Cabinets RPS Cabinet
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 5
Conceptual Plan for I&C Systems Basic Architecture
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 6
Conceptual Plan for I&C Systems (Continued)
Data Communication Network concept
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)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 12 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
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
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 15 Conceptual Plan for I&C Systems (Continued)
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 16 Bellefonte Digital I&C Phase 0 Meeting 16 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 17 Applicable Topical Reports TELEPERM XS (TXS)
Submitted to NRC in June 2009 SER Expected 3Q 2011 SIVAT: TELEPERM XS Simulation Validation Test Tool ANP-10303 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 Diversity and Defense-in-Depth Approved with EMF-2110 R1 ANP-10272 Software Program Manual for TELEPERM XS Safety Systems Submitted to NRC in December 2006 Revision 3 Submitted in October 2010 SER Expected 3Q 2011 Basis for Platform and Software Development Lifecycle Processes
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
Cyber Security 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
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 32 Projected Timeline for Digital I&C Requirements Development
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
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 34
- 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 Projected Submittal Timeline for I&C
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
July 14, 2011 Bellefonte Digital I&C Phase 0 Meeting 36 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 37 Summary
- Open Discussion