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| number = ML18254A434 | | number = ML18254A434 | ||
| issue date = 09/12/2018 | | issue date = 09/12/2018 | ||
| title = NRC Slides for September 12, 2018 Public Meeting on Accident Tolerant Fuel ( | | title = NRC Slides for September 12, 2018 Public Meeting on Accident Tolerant Fuel (ATF) | ||
| author name = | | author name = | ||
| author affiliation = NRC/NRR | | author affiliation = NRC/NRR | ||
| Line 9: | Line 9: | ||
| docket = | | docket = | ||
| license number = | | license number = | ||
| contact person = Proffitt J | | contact person = Proffitt J | ||
| document type = Meeting Briefing Package/Handouts, Slides and Viewgraphs | | document type = Meeting Briefing Package/Handouts, Slides and Viewgraphs | ||
| page count = 18 | | page count = 18 | ||
| Line 15: | Line 15: | ||
=Text= | =Text= | ||
{{#Wiki_filter:NRC Public Meeting on Accident Tolerant | {{#Wiki_filter:NRC Public Meeting on Accident Tolerant Fuel September 12, 2018 | ||
Agenda I. NRCs ATF project plan II. Major revisions III. NRCs next steps 2 | |||
I. ATF Project Plan | I. ATF Project Plan | ||
*Developed in anticipation of safety | * Developed in anticipation of safety-enhancing technology being pursued on accelerated schedule | ||
-enhancing technology being pursued on accelerated schedule | * Strategy and activities associated with preparing NRC to efficiently and effectively license ATF designs | ||
*Strategy and activities associated with preparing NRC to efficiently and effectively license ATF designs | * Addresses the complete fuel cycle | ||
*Addresses the complete fuel cycle | - Fuel fabrication and fresh fuel transport | ||
-Fuel fabrication and fresh fuel transport | - In-reactor requirements | ||
-In-reactor requirements | - Spent fuel storage and transportation 3 | ||
-Spent fuel storage and transportation 3 | |||
Extensive Stakeholder Interaction | Extensive Stakeholder Interaction | ||
*September 2017: NRC public meeting outlining plans for ATF project plan | * September 2017: NRC public meeting outlining plans for ATF project plan | ||
*December 2017: Published in Federal Register for public comment | * December 2017: Published in Federal Register for public comment | ||
*February 2018: Briefed ACRS subcommittee on draft plan | * February 2018: Briefed ACRS subcommittee on draft plan | ||
*February 2018: NRC public meeting on public comments | * February 2018: NRC public meeting on public comments | ||
*April 2018: NRC Commission briefing on ATF | * April 2018: NRC Commission briefing on ATF | ||
*May 2018: DOE/NRC ATF coordination workshop | * May 2018: DOE/NRC ATF coordination workshop | ||
*June 2018: NRC public meeting on ATF PIRT strategy | * June 2018: NRC public meeting on ATF PIRT strategy | ||
*Summer 2018: Individual engagements with ATF vendors | * Summer 2018: Individual engagements with ATF vendors | ||
*Today 4 Addressed Overall Themes of Stakeholder Comments | * Today 4 | ||
*Importance of enhanced communication | |||
*Opportunity to transform fuel licensing process | Addressed Overall Themes of Stakeholder Comments | ||
*Leverage advanced computational capabilities | * Importance of enhanced communication | ||
*Concerns with regulatory requirements associated with lead test assemblies 5 | * Opportunity to transform fuel licensing process | ||
* Leverage advanced computational capabilities | |||
* Concerns with regulatory requirements associated with lead test assemblies 5 | |||
II. Major Revisions | II. Major Revisions | ||
*One, inclusive document | * One, inclusive document | ||
*ATF licensing process details | * ATF licensing process details | ||
-Milestone schedule | - Milestone schedule | ||
-Project plan paradigm | - Project plan paradigm | ||
-Concept-specific licensing roadmaps | - Concept-specific licensing roadmaps | ||
-ATF PIRT strategy | - ATF PIRT strategy | ||
*Regulatory Issue Summary (RIS) | * Regulatory Issue Summary (RIS) | ||
*Code development details to appendix | * Code development details to appendix | ||
*Path forward 6 | * Path forward 6 | ||
ATF Milestone Schedule | |||
-term concepts. | ATF Milestone Schedule Milestone/Activity Schedule Complete ATF project plan. Summer 2018 Issue final LTA guidance. Early 2019 Conduct PIRTs and refine review infrastructure for near-term concepts. 2019-2020 Identify and implement adjustments to the regulatory infrastructure, if necessary, to enable the full potential of ATF (e.g., increase enrichment, 2019-2025 increase burnup). | ||
2019- | Conduct TR reviews for near-term concepts. 2020-2022 Conduct LAR reviews for near-term concepts. 2022-2023 TBD (in accordance Conduct LTA/TR/LAR reviews for longer term concepts. with industry schedules) 7 | ||
-term concepts. | |||
2020- | |||
-term concepts. | |||
2022- | |||
New Fuel Technical Basis Development 8 | New Fuel Technical Basis Development 8 | ||
ATF Licensing Process 9 | ATF Licensing Process 9 | ||
ATF PIRT Strategy | ATF PIRT Strategy | ||
*Goal is to align early on phenomena important to safety for each ATF concept | * Goal is to align early on phenomena important to safety for each ATF concept | ||
*Varied approach based on deviation from current technology; viable options include: | * Varied approach based on deviation from current technology; viable options include: | ||
-NRC review of industry developed failure mode analysis | - NRC review of industry developed failure mode analysis | ||
*Coated claddings | * Coated claddings | ||
-Coordinated NRC/vendor exercise | - Coordinated NRC/vendor exercise | ||
*Vendor technology specific ATF | * Vendor technology specific ATF | ||
-Multi-day PIRT panel of topical experts | - Multi-day PIRT panel of topical experts | ||
*Severe accidents and transportation | * Severe accidents and transportation | ||
*Necessary to consider full intended use of concept to ensure meaningful results and prevent re | * Necessary to consider full intended use of concept to ensure meaningful results and prevent re-work 10 | ||
-work 10 Concept-specific Licensing Roadmaps and Technology | |||
-specific Licensing Approaches | Concept-specific Licensing Roadmaps and Technology-specific Licensing Approaches | ||
*Map of phenomena important to safety to regulatory infrastructure | * Map of phenomena important to safety to regulatory infrastructure | ||
*Outline the pathway for vendors to ensure technical basis meets | * Outline the pathway for vendors to ensure technical basis meets staffs expectations | ||
*Assessing best vehicle(s); possible examples: | * Assessing best vehicle(s); possible examples: | ||
-Interim staff guidance | - Interim staff guidance | ||
-Safety review of vendor qualification plans | - Safety review of vendor qualification plans | ||
-Endorsement of industry guidance 11 NRC Approach to Confirmatory Analysis*Varies based on: | - Endorsement of industry guidance 11 | ||
-Safety significance | |||
-Margin to safety limits | NRC Approach to Confirmatory Analysis | ||
-Uncertainty | * Varies based on: | ||
*Actively enhancing | - Safety significance | ||
-term concepts | - Margin to safety limits | ||
*Evaluating which tools are most effective and efficient for longer | - Uncertainty | ||
-term concepts 12 Advanced Modelling and Simulation | * Actively enhancing NRCs computational analysis tools for near-term concepts | ||
*Actively engaged with DOE on potential to leverage their computational capabilities in bolstering the regulatory infrastructure for ATF reviews | * Evaluating which tools are most effective and efficient for longer-term concepts 12 | ||
*Can accelerate the development of the technical basis for ATF | |||
-e.g., focusing experimental programs | Advanced Modelling and Simulation | ||
*Open to understand potential use of advanced M&S in ATF licensing strategies 13 | * Actively engaged with DOE on potential to leverage their computational capabilities in bolstering the regulatory infrastructure for ATF reviews | ||
*Objective of RIS questions: | * Can accelerate the development of the technical basis for ATF | ||
-Promote early, frequent, and robust communication between NRC and addressees | - e.g., focusing experimental programs | ||
-Inform | * Open to understand potential use of advanced M&S in ATF licensing strategies 13 | ||
*Recent precedent | |||
-Mo-99-Advanced reactors | Regulatory Issue Summary (RIS) | ||
*Publish draft while awaiting OMB clearance | * Objective of RIS questions: | ||
Public Comment Period 15 Break 16 III. Next Steps | - Promote early, frequent, and robust communication between NRC and addressees | ||
*Engage directly with fuel vendors on specific ATF concepts to understand: | - Inform NRCs budget and resource planning | ||
-Phenomena important to safety | * Recent precedent | ||
-Fuel qualification plans | - Mo-99 | ||
-Licensing schedules | - Advanced reactors | ||
*Understand areas of margin recovery or operational flexibility which may require refinements to the regulatory infrastructure | * Publish draft while awaiting OMB clearance 14 | ||
*Immediate actions: | |||
-Finalize ATF project plan | Public Comment Period 15 | ||
-Publish draft Regulatory Issue Summary (RIS) | |||
*Near-term actions: | Break 16 | ||
-Compile knowledge base on all near | |||
-term concepts to prepare for expert elicitation / PIRT exercises | III. Next Steps | ||
-Independently review EPRI coated cladding failure modes analysis report to ensure all safety significant phenomenon are addressed | * Engage directly with fuel vendors on specific ATF concepts to understand: | ||
-Schedule meetings with vendors of near | - Phenomena important to safety | ||
-term concepts to understand draft fuel qualification plans | - Fuel qualification plans | ||
-Determine appropriate vehicle for review guidance 17 Public Comment Period 18}} | - Licensing schedules | ||
* Understand areas of margin recovery or operational flexibility which may require refinements to the regulatory infrastructure | |||
* Immediate actions: | |||
- Finalize ATF project plan | |||
- Publish draft Regulatory Issue Summary (RIS) | |||
* Near-term actions: | |||
- Compile knowledge base on all near-term concepts to prepare for expert elicitation / PIRT exercises | |||
- Independently review EPRI coated cladding failure modes analysis report to ensure all safety significant phenomenon are addressed | |||
- Schedule meetings with vendors of near-term concepts to understand draft fuel qualification plans | |||
- Determine appropriate vehicle for review guidance 17 | |||
Public Comment Period 18}} | |||
Latest revision as of 15:49, 20 October 2019
| ML18254A434 | |
| Person / Time | |
|---|---|
| Issue date: | 09/12/2018 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Proffitt J | |
| References | |
| Download: ML18254A434 (18) | |
Text
NRC Public Meeting on Accident Tolerant Fuel September 12, 2018
Agenda I. NRCs ATF project plan II. Major revisions III. NRCs next steps 2
I. ATF Project Plan
- Developed in anticipation of safety-enhancing technology being pursued on accelerated schedule
- Strategy and activities associated with preparing NRC to efficiently and effectively license ATF designs
- Addresses the complete fuel cycle
- Fuel fabrication and fresh fuel transport
- In-reactor requirements
- Spent fuel storage and transportation 3
Extensive Stakeholder Interaction
- September 2017: NRC public meeting outlining plans for ATF project plan
- December 2017: Published in Federal Register for public comment
- February 2018: Briefed ACRS subcommittee on draft plan
- February 2018: NRC public meeting on public comments
- April 2018: NRC Commission briefing on ATF
- May 2018: DOE/NRC ATF coordination workshop
- June 2018: NRC public meeting on ATF PIRT strategy
- Summer 2018: Individual engagements with ATF vendors
- Today 4
Addressed Overall Themes of Stakeholder Comments
- Importance of enhanced communication
- Opportunity to transform fuel licensing process
- Leverage advanced computational capabilities
- Concerns with regulatory requirements associated with lead test assemblies 5
II. Major Revisions
- One, inclusive document
- ATF licensing process details
- Milestone schedule
- Project plan paradigm
- Concept-specific licensing roadmaps
- ATF PIRT strategy
- Regulatory Issue Summary (RIS)
- Code development details to appendix
- Path forward 6
ATF Milestone Schedule Milestone/Activity Schedule Complete ATF project plan. Summer 2018 Issue final LTA guidance. Early 2019 Conduct PIRTs and refine review infrastructure for near-term concepts. 2019-2020 Identify and implement adjustments to the regulatory infrastructure, if necessary, to enable the full potential of ATF (e.g., increase enrichment, 2019-2025 increase burnup).
Conduct TR reviews for near-term concepts. 2020-2022 Conduct LAR reviews for near-term concepts. 2022-2023 TBD (in accordance Conduct LTA/TR/LAR reviews for longer term concepts. with industry schedules) 7
New Fuel Technical Basis Development 8
ATF Licensing Process 9
ATF PIRT Strategy
- Goal is to align early on phenomena important to safety for each ATF concept
- Varied approach based on deviation from current technology; viable options include:
- NRC review of industry developed failure mode analysis
- Coated claddings
- Coordinated NRC/vendor exercise
- Vendor technology specific ATF
- Multi-day PIRT panel of topical experts
- Severe accidents and transportation
- Necessary to consider full intended use of concept to ensure meaningful results and prevent re-work 10
Concept-specific Licensing Roadmaps and Technology-specific Licensing Approaches
- Map of phenomena important to safety to regulatory infrastructure
- Outline the pathway for vendors to ensure technical basis meets staffs expectations
- Assessing best vehicle(s); possible examples:
- Interim staff guidance
- Safety review of vendor qualification plans
- Endorsement of industry guidance 11
NRC Approach to Confirmatory Analysis
- Varies based on:
- Safety significance
- Margin to safety limits
- Uncertainty
- Actively enhancing NRCs computational analysis tools for near-term concepts
- Evaluating which tools are most effective and efficient for longer-term concepts 12
Advanced Modelling and Simulation
- Actively engaged with DOE on potential to leverage their computational capabilities in bolstering the regulatory infrastructure for ATF reviews
- Can accelerate the development of the technical basis for ATF
- e.g., focusing experimental programs
- Open to understand potential use of advanced M&S in ATF licensing strategies 13
Regulatory Issue Summary (RIS)
- Objective of RIS questions:
- Promote early, frequent, and robust communication between NRC and addressees
- Inform NRCs budget and resource planning
- Recent precedent
- Mo-99
- Advanced reactors
- Publish draft while awaiting OMB clearance 14
Public Comment Period 15
Break 16
III. Next Steps
- Engage directly with fuel vendors on specific ATF concepts to understand:
- Phenomena important to safety
- Fuel qualification plans
- Licensing schedules
- Understand areas of margin recovery or operational flexibility which may require refinements to the regulatory infrastructure
- Immediate actions:
- Finalize ATF project plan
- Publish draft Regulatory Issue Summary (RIS)
- Near-term actions:
- Compile knowledge base on all near-term concepts to prepare for expert elicitation / PIRT exercises
- Independently review EPRI coated cladding failure modes analysis report to ensure all safety significant phenomenon are addressed
- Schedule meetings with vendors of near-term concepts to understand draft fuel qualification plans
- Determine appropriate vehicle for review guidance 17
Public Comment Period 18