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 4
Clear 50.59 Expectations 06 ISG RIS 2002-22 Sup. 1 BTP 7-19 NEI 96-07 App. D Efficient Licensing NEI 20-07 NEI 17-04 Endorsement of Updated Standards IEEE IEC
LICENSING INITIATIVES & ACCOMPLISHMENTS 5
NRC DI&C Interim Staff Guidance (ISG) 06 Revision 2 6
NRC Regional Inspection Processes Concepts and Pre-application Meetings Implementation, Software V&V, and Factory Testing NRC Review and Audits LAR Submitted (Phase 1 Information)
Installation and Site Acceptance Testing LAR Submitted All Information NRC Review and Audits Detailed HW & SW Design and Fabrication NRC Vendor Inspection Processes Timeline (not to scale)
High Level System Design, Planning Traditional Process Alternate Review Process Licensee Activities
NRC Regional Inspection Processes
LA Issued LA Issued Phase 2 Supplemental Information
NRC Branch Technical Position 7-19 Risk-Informed Graded Approach 7
Allows leveraging of any available risk information and insights
NRC Branch Technical Position 7-19 Clarification on Acceptable Methods for Addressing CCF 8
Next step is second briefing of ACRS Subcommittee in September after staff incorporates feedback received at June Subcommittee meeting
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:
- APR1400 Design Certification
- NuScale Design Certification
- Research Reactors:
- Purdue
- MIT
- Topical Reports:
- Lockheed Martin (Nuclear Protection & Control)
- Mitsubishi Heavy Industries (Mitsubishi Total Advanced Controller)
- Radiy (RadICS Digital I&C Platform)
- Operating Reactors:
- Hope Creek Power Range Neutron 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
15 Clear 50.59 Expectations 06 ISG RIS 2002-22 Sup. 1 BTP 7-19 NEI 96-07 App. D Efficient Licensing NEI 20-07 NEI 17-04 Endorsement of Updated Standards IEEE IEC