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MONTHYEARML16307A4902016-10-25025 October 2016
Presentation Slides from Public Meeting Calvert Cliffs GSI-191 Resolution Update
Project stage: Meeting
ML16328A2832016-11-18018 November 2016
Supplemental Presentation Slides for 10/25/2016 Public Meeting Via E-mail from K.Greene to R.Guzman Calvert Cliffs GSI-191 Resolution Update
Project stage: Request
ML16328A3472016-11-23023 November 2016
Memo to File: E-mail from R.Guzman to E.Villar Regarding Meeting Summary of Calvert Cliffs Nuclear Power Plant Units 1 and 2 - GSI-191 Resolution on 10/25/16
Project stage: Meeting
ML17249A3202017-09-18018 September 2017
Summary of Meeting with Exelon Generation Company, LLC, on Planned Submittal of Risk-Informed License Amendment and Exemption Requests Concerning Resolution of Generic Issue 191
Project stage: Meeting
ML18136A4932018-05-16016 May 2018
Licensees Slides for Pre-Application Meeting W/Exelon Re Planned GSI-191 LAR for Calvert Cliffs (L-2016-LRM-0001)
Project stage: Meeting
ML18198A2922018-05-16016 May 2018, 17 May 2018, 18 July 2018
May 21, 2018, Meeting with Exelon Generation Company, LLC, on Planned Submittal of Risk-Informed License Amendment and Exemption Requests Concerning Resolution of Generic Issue 191 (EPID L-2016-LRM-0001
Project stage: Request
ML18197A2392018-06-19019 June 2018, 21 June 2018, 20 July 2018
Summary of June 21, 2018 Meeting with Exelon Generation Company, LLC
Project stage: Request
ML18171A0842018-06-21021 June 2018
GSI-191 Program Use of Risk Metrics for Containment Sump Tech Spec Operability Determination June 21, 2018 Public Meeting Slides (MF8521, MF8522; L-2016-LRM-0001)
Project stage: Meeting
ML18201A4062018-06-21021 June 2018
Exelons Response to NRC Questions
Project stage: Other
ML18197A4362018-07-18018 July 2018
May 21, 2018, Summary of Meeting with Exelon Generation Company, LLC, on Planned Submittal of Risk-Informed License Amendment and Exemption Requests Concerning Resolution of Generic Issue 191
Project stage: Meeting
ML18197A2292018-07-20020 July 2018
Summary of Meeting with Exelon Generation Company, Llc, on Planned Submittal of Risk Informed License Amendment and Exemption Requests Concerning Resolution of Generic Issue 191 (CAC Nos. MF8521 and MF8522; EPID L-2016-LRM-0001)
Project stage: Meeting
2018-05-16
[Table View] |
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Calvert Cliffs GSI-191 Program Use of Risk Metrics for Containment Sump Tech Spec Operability Determination June 21, 2018
Future Licensing Basis
- After the Risk-Informed GSI-191 license amendment is approved, Calvert Cliffs licensing basis for operability of emergency recirculation sump will be risk-based.
- The risk of LOCA events that could threaten strainer performance is Very Low, which is consistent with RG 1.174 acceptance guidelines
- Proposed Technical Specification for the Containment Sump Summary of Calvert Cliffs Risk-Informed Approach 1
Debris Acceptance Guidelines
- The following is the proposed risk metric to be added to the UFSAR.
RISK INCREASE LIMITS DUE TO CONTAINMENT DEBRIS
- The CDF or LERF values due solely to the effects of debris on the emergency recirculation strainer may not exceed the following limits.
- Maximum CDF limit = 3.0E-07 - Maximum LERF limit = 3.0E-08
- Current preliminary results from GSI-191 risk analysis Summary of Calvert Cliffs Risk-Informed Approach 2
Questions/Concerns
- Jointly Review Issues, Questions, and Concerns Summary of Calvert Cliffs Risk-Informed Approach 3
