ML18094A000: Difference between revisions

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| issue date = 04/04/2018
| issue date = 04/04/2018
| title = Proposed Approach for Staff Review of Plant Specific Modelling of Generation-III Shutdown Seals in License Amendment Requests (Lars)
| title = Proposed Approach for Staff Review of Plant Specific Modelling of Generation-III Shutdown Seals in License Amendment Requests (Lars)
| author name = Benney B J
| author name = Benney B
| author affiliation = NRC/NRR/DLP/PLPB
| author affiliation = NRC/NRR/DLP/PLPB
| addressee name =  
| addressee name =  
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| docket =  
| docket =  
| license number =  
| license number =  
| contact person = Benney B J
| contact person = Benney B
| package number = ML18072A211
| package number = ML18072A211
| document type = Slides and Viewgraphs
| document type = Slides and Viewgraphs
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{{#Wiki_filter:Proposed Approach for Staff Review of Plant Specific Modelling of Generation-III Shutdown Seals in License Amendment Requests (LARS)
{{#Wiki_filter:Proposed Approach for Staff Review of Plant Specific Modelling of Generation-III Shutdown Seals in License Amendment Requests (LARS)
Generation III Shutdown Seals (GIII-SDS) Modeled in PRA(s)
Generation III Shutdown Seals (GIII-SDS) Modeled in PRA(s)
Used to Support LAR Was the GIII-SDS model in the PRA peer-reviewed? Case 1(Consistent with review of pee r-reviewed PRA)
Used to Support LAR Case 1 (Consistent with review of peer-reviewed PRA)
Verify and review that the licensee:
Verify and review that the licensee:
1.Provided finding level F&Os and their resolution AND 2.Described how the staff SE on GIII-SDS is met, all the limitations and conditions (L&Cs) therein are satisfied, and justified any deviations. Did GIII-SDS modeling use a peer-reviewed WOG-2000 model as foundation? Case 3Verify and review that the licensee:
: 1. Provided finding level F&Os and Was the GIII-SDS model in            Y                  their resolution AND the PRA peer-reviewed?                            2. Described how the staff SE on GIII-SDS is met, all the limitations and conditions (L&Cs) therein are satisfied, and justified any deviations.
1.Demonstrated (on a plant-specific OR generic basis) why inclusion of GIII-SDS is not a PRA upgrade.
N Licensee chooses to not                Y credit the GIII-SDS in the LAR?                                  Case 2 Verify and review that the licensee:
2.Described how the staff SE on GIII-SDS is met, all the L&Cs therein are satisfied, and justified any deviations. Case 4 Perform a detailed review of GIII-SDS modeling, alignment with staff SE, and L&Cs details via audit and RAIs OR Licensee either convenes peer-review or removes credit (follow approach for Case 1 or 2, as appropriate). Licensee chooses to not credit the GIII-SDS in the LAR? Case 2Verify and review that the licensee:
: 1. Demonstrated on the docket (via sensitivity) that the removal of credit for GIII-SDS does not affect the N                                        decision and insights.
1.Demonstrated on the docket (via sensitivity) that the removal of credit for GIII-SDS does not affect the decision and insights. 2.Clarifies when, and if, the credit will be used.
: 2. Clarifies when, and if, the credit will be used.
N Y N Y N Y}}
Did GIII-SDS modeling use a         Y    Case 3 peer-reviewed WOG-2000                   Verify and review that the licensee:
model as foundation?                      1. Demonstrated (on a plant-specific OR generic basis) why inclusion of GIII-SDS is N                                not a PRA upgrade.
: 2. Described how the staff SE on GIII-SDS is met, all Case 4                              the L&Cs therein are Perform a detailed review of GIII-SDS                 satisfied, and justified any modeling, alignment with staff SE, and               deviations.
L&Cs details via audit and RAIs OR Licensee either convenes peer-review or removes credit (follow approach for Case 1 or 2, as appropriate).}}

Latest revision as of 12:20, 21 October 2019

Proposed Approach for Staff Review of Plant Specific Modelling of Generation-III Shutdown Seals in License Amendment Requests (Lars)
ML18094A000
Person / Time
Issue date: 04/04/2018
From: Brian Benney
NRC/NRR/DLP/PLPB
To:
Benney B
Shared Package
ML18072A211 List:
References
Download: ML18094A000 (1)


Text

Proposed Approach for Staff Review of Plant Specific Modelling of Generation-III Shutdown Seals in License Amendment Requests (LARS)

Generation III Shutdown Seals (GIII-SDS) Modeled in PRA(s)

Used to Support LAR Case 1 (Consistent with review of peer-reviewed PRA)

Verify and review that the licensee:

1. Provided finding level F&Os and Was the GIII-SDS model in Y their resolution AND the PRA peer-reviewed? 2. Described how the staff SE on GIII-SDS is met, all the limitations and conditions (L&Cs) therein are satisfied, and justified any deviations.

N Licensee chooses to not Y credit the GIII-SDS in the LAR? Case 2 Verify and review that the licensee:

1. Demonstrated on the docket (via sensitivity) that the removal of credit for GIII-SDS does not affect the N decision and insights.
2. Clarifies when, and if, the credit will be used.

Did GIII-SDS modeling use a Y Case 3 peer-reviewed WOG-2000 Verify and review that the licensee:

model as foundation? 1. Demonstrated (on a plant-specific OR generic basis) why inclusion of GIII-SDS is N not a PRA upgrade.

2. Described how the staff SE on GIII-SDS is met, all Case 4 the L&Cs therein are Perform a detailed review of GIII-SDS satisfied, and justified any modeling, alignment with staff SE, and deviations.

L&Cs details via audit and RAIs OR Licensee either convenes peer-review or removes credit (follow approach for Case 1 or 2, as appropriate).