ML20206L365
| ML20206L365 | |
| Person / Time | |
|---|---|
| Issue date: | 07/24/2020 |
| From: | Eric Benner Office of Nuclear Reactor Regulation |
| To: | |
| Betancourt L, NRR, 415-6146 | |
| Shared Package | |
| ML20206L360 | List: |
| References | |
| Download: ML20206L365 (15) | |
Text
2018 International Congress on Advances in Nuclear Power Plants New Approaches for Licensing a Safety-Related Digital I&C Upgrade Eric Benner Director, Division of Engineering Office of Nuclear Reactor Regulation, USNRC
What Ill Be Covering Today NRC Vision Licensing Initiatives & Accomplishments Whats Next 2
NRC Vision for Digital I&C A clear regulatory structure with reduced regulatory uncertainty that enables the expanded safe use of digital I&C in commercial nuclear reactors while continuing to ensure safety and security.
From NRC SECY-19-0112 3
The Road Were On Clear 50.59 Efficient Expectations Licensing NEI 96-07 BTP Endorsement of App. D RIS ISG Updated Standards NEI 7-19 2002-22 06 NEI 20-07 Sup. 1 17-04 IEEE IEC 4
LICENSING INITIATIVES & ACCOMPLISHMENTS 5
NRC DI&C Interim Staff Guidance (ISG) 06 Revision 2 Timeline (not to scale)
Traditional Process LA Issued LAR Submitted NRC Review and Audits NRC Regional Inspection (Phase 1 Information) Processes Phase 2 Supplemental Information Licensee Activities Concepts High Level Implementation, Detailed HW & SW Design Installation and and Pre-application System Design, Software V&V, and Meetings and Fabrication Site Acceptance Testing Planning Factory Testing Alternate Review Process LA Issued NRC Vendor NRC Regional Inspection LAR Submitted NRC Review and Audits Inspection Processes Processes All Information 6
NRC Branch Technical Position 7-19 Risk-Informed Graded Approach Allows leveraging of any available risk information and insights 7
NRC Branch Technical Position 7-19 Clarification on Acceptable Methods for Addressing CCF Next step is second briefing of ACRS Subcommittee in September after staff incorporates feedback received at June Subcommittee meeting 8
Standards
- Endorsement of IEEE-603-2018
- Endorsement of IEEE 7-4.3.2-2016
- Considering broader use of International Electrotechnical Commission standards 9
Licensing Accomplishments
- New Reactors:
- Topical Reports:
- Lockheed Martin (Nuclear Protection & Control)
- APR1400 Design Certification - Mitsubishi Heavy Industries (Mitsubishi Total
- NuScale Design Certification Advanced Controller)
- Radiy (RadICS Digital I&C Platform)
- Research Reactors:
- Operating Reactors:
- Purdue
- Hope Creek Power Range Neutron
- MIT Monitoring System 1
0
WHATS NEXT?
11
Operating Reactor License Applications
- Developing NRC safety evaluation report templates
- Assessing inspection procedure enhancements
- Preparing staff in all relevant disciplines (I&C, human factors, systems engineers, lawyers)
- Reviewing Waterford Core Protection Calculator application
- Conducting pre-application discussions with Exelon regarding a broad digital modernization license application request anticipated June 2021 12
Advanced Reactor Applications
- Developing NRC staff review guidance for I&C evaluations
- Preparing staff in all relevant disciplines
- Review of Oklo application 13
- New guidance for addressing common cause failure
- Particularly focuses on the use of defensive measures as a way to demonstrate quality of digital systems
- NEI expects to provide a draft to NRC in September 14
Clear 50.59 Efficient Expectations Licensing NEI 96-07 BTP Endorsement of App. D RIS ISG Updated Standards 7-19 NEI 2002-22 06 NEI 20-07 Sup. 1 17-04 IEEE IEC 15