ML21167A154: Difference between revisions

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{{#Wiki_filter:Risk-informed Process for Evaluations (RIPE)
{{#Wiki_filter:2 Risk-informed Process for Evaluations (RIPE)
* RIPE establishes a more efficient process to review licensing actions that address low safety significance (LSS) issues within the licensing basis.
* RIPE establishes a more efficient process to review licensing actions that address low safety significance (LSS) issues within the licensing basis.
* Adoption of RIPE was recommended in a memo to the NRR Office Director dated January 5, 2021 (ML20261H428).
* Adoption of RIPE was recommended in a memo to the NRR Office Director dated January 5, 2021 (ML20261H428).
    - Enclosure 1 - Guidelines for Characterizing the Safety Impact of Issues (ML20261H462)
- Enclosure 1 - Guidelines for Characterizing the Safety Impact of Issues (ML20261H462)
    - Enclosure 2 - Temporary Staff Guidance TSG-DORL-2021-01 (ML20261H473)
- Enclosure 2 - Temporary Staff Guidance TSG-DORL-2021-01 (ML20261H473)
* The NRR Office Director approved RIPE by memo dated January 7, 2021 (ML21006A324).
* The NRR Office Director approved RIPE by memo dated January 7, 2021 (ML21006A324).
2


Leverage work done in previous risk-informed initiatives Integrated Decision-making Panel (IDP) Reviews Key       IDP Engineering Principles RIPE (using existing regulations)
3 Leverage work done in previous risk-informed initiatives IDP PRA RIPE (using existing regulations)
Demonstrated Probabilistic Risk Assessment           PRA Acceptability 3
Integrated Decision-making Panel (IDP) Reviews Key Engineering Principles Demonstrated Probabilistic Risk Assessment Acceptability


Whats Next?
4 Whats Next?
* Expand RIPE to generic reviews - Topical Reports
* Expand RIPE to generic reviews - Topical Reports
    - How do we show PRA Acceptability?
- How do we show PRA Acceptability?
    - GAET/IDP should be equivalent
- GAET/IDP should be equivalent
* As part of 50.59, can we codify RIPE? Allow licensees to make changes without NRC approval
* As part of 50.59, can we codify RIPE? Allow licensees to make changes without NRC approval
    - Requires rulemaking
- Requires rulemaking
* Expand systematic characterization process to other areas such as EP and Security
* Expand systematic characterization process to other areas such as EP and Security
    - Must develop process to assess these issues without PRA
- Must develop process to assess these issues without PRA
    - Engage stakeholders to buy into concept.
- Engage stakeholders to buy into concept.
4


Whats Next? (Cont.)
5 Whats Next? (Cont.)
* RG 1.174 allows for risk-informing exemptions. Can we develop more clarity on how to use risk to inform the special circumstances to support justification of the exemption RIPE+:
* RG 1.174 allows for risk-informing exemptions. Can we develop more clarity on how to use risk to inform the special circumstances to support justification of the exemption RIPE+:
* Specifically:
* Specifically:
    - (iii) Compliance would result in undue hardship or other costs that are significantly in excess of those contemplated when the regulation was adopted, or that are significantly in excess of those incurred by others similarly situated; or
- (iii) Compliance would result in undue hardship or other costs that are significantly in excess of those contemplated when the regulation was adopted, or that are significantly in excess of those incurred by others similarly situated; or
    - (iv) The exemption would result in benefit to the public health and safety that compensates for any decrease in safety that may result from the grant of the exemption; 5
- (iv) The exemption would result in benefit to the public health and safety that compensates for any decrease in safety that may result from the grant of the exemption;


Why RIPE?
6 Why RIPE?
* Focus NRC and licensee resources on the most safety significant issues
* Focus NRC and licensee resources on the most safety significant issues
* Address low safety significance compliance issues in an efficient and predictable manner consistent with our Principles of Good Regulation
* Address low safety significance compliance issues in an efficient and predictable manner consistent with our Principles of Good Regulation
* Leverage existing regulations and risk insights
* Leverage existing regulations and risk insights
* Incentivize the further development and use of probabilistic risk assessment models and applications 6
* Incentivize the further development and use of probabilistic risk assessment models and applications


Questions?
7 Questions?
Send additional feedback or questions to:
Send additional feedback or questions to:
Antonios.Zoulis@nrc.gov 7}}
Antonios.Zoulis@nrc.gov}}

Latest revision as of 08:28, 29 November 2024

4 - Risk-Informed Process for Evaluations
ML21167A154
Person / Time
Issue date: 06/16/2021
From: Antonios Zoulis
NRC/NRR/DRA
To:
Vasavada S
Shared Package
ML21167A163 List:
References
Download: ML21167A154 (7)


Text

2 Risk-informed Process for Evaluations (RIPE)

  • RIPE establishes a more efficient process to review licensing actions that address low safety significance (LSS) issues within the licensing basis.
  • Adoption of RIPE was recommended in a memo to the NRR Office Director dated January 5, 2021 (ML20261H428).

- Enclosure 1 - Guidelines for Characterizing the Safety Impact of Issues (ML20261H462)

- Enclosure 2 - Temporary Staff Guidance TSG-DORL-2021-01 (ML20261H473)

3 Leverage work done in previous risk-informed initiatives IDP PRA RIPE (using existing regulations)

Integrated Decision-making Panel (IDP) Reviews Key Engineering Principles Demonstrated Probabilistic Risk Assessment Acceptability

4 Whats Next?

  • Expand RIPE to generic reviews - Topical Reports

- How do we show PRA Acceptability?

- GAET/IDP should be equivalent

  • As part of 50.59, can we codify RIPE? Allow licensees to make changes without NRC approval

- Requires rulemaking

  • Expand systematic characterization process to other areas such as EP and Security

- Must develop process to assess these issues without PRA

- Engage stakeholders to buy into concept.

5 Whats Next? (Cont.)

  • RG 1.174 allows for risk-informing exemptions. Can we develop more clarity on how to use risk to inform the special circumstances to support justification of the exemption RIPE+:
  • Specifically:

- (iii) Compliance would result in undue hardship or other costs that are significantly in excess of those contemplated when the regulation was adopted, or that are significantly in excess of those incurred by others similarly situated; or

- (iv) The exemption would result in benefit to the public health and safety that compensates for any decrease in safety that may result from the grant of the exemption;

6 Why RIPE?

  • Focus NRC and licensee resources on the most safety significant issues
  • Address low safety significance compliance issues in an efficient and predictable manner consistent with our Principles of Good Regulation
  • Leverage existing regulations and risk insights

7 Questions?

Send additional feedback or questions to:

Antonios.Zoulis@nrc.gov