ML18317A171
| ML18317A171 | |
| Person / Time | |
|---|---|
| Issue date: | 11/14/2018 |
| From: | Jeanne Johnston Office of Nuclear Reactor Regulation |
| To: | Marilyn Evans Office of Nuclear Reactor Regulation |
| JJohnston, NRR, 415-1349 | |
| Shared Package | |
| ML18317A167 | List: |
| References | |
| Download: ML18317A171 (7) | |
Text
NRR Risk-Informed Licensing Initiatives October 31, 2018
Summary of FY18 Performance Timeliness Metrics Licensing Actions Other Licensing Tasks Completed < 1 year 97.9% Completed < 1 year 97.7%
Completed < 2 years 100% Completed < 2 years 100%
Quantity Metrics Licensing Actions Other Licensing Tasks Completed in FY18 861 Completed in FY18 362 Acceptance Review Completion Timeliness 99%
Licensing Actions Completions within Forecasted Hours (+25%) 94%
Licensing Actions Completions within Forecasted Schedule (+1 month) 94%
2
TSTF-505 Reviews PILOT VS. PLANT-SPECIFIC VS. REV 2 GOAL
- Plant-Specific Issuance Targets
- Calvert Cliff Issued 10/30/2018 60 Vogtle
- Turkey Point Nov-2018
- St. Lucie Dec-2018 50 St. Lucie Turkey Point
- Palo Verde Dec-2018 Age (Months) 40 Palo Verde
- Technical Issues Resolutions Results 30 Calvert Cliffs
- Since Vogtle Pilot 20
- 70% Average Hours Reductions Rev 2
- 30% Average Age Reduction Goal 10
- Since Initial Plant-Specific Reviews Farley 0
- ~ 30% Average Age Reduction 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 Effort (Hours)
- TSTF-505, Rev 2
- Targeted to be issued Nov-2018
- Following the model will assist in reducing review schedule and level-of-effort costs 3
10 CFR 50.69 Reviews
- Overall Trend: REVIEW TREND
- Majority have met or will meet the 1-year Palo Verde timeliness target. 12 Byron /
Braidwood
- Project review heavily impacted by PRA 10 quality Goal Age (Months) 8 Reduce hours Brunswick
- Plant-Specific Review Factors 6
- Palo Verde: Last full scope peer review was 4 Hatch in 1999 vs. Bryon/Braidwood completed in 2 2013 thru 2015 0
- Brunswick: Includes external hazard PRA 0 200 400 600 800 1000 1200 1400 1600 Effort (Hours) models that have not been commonly submitted PRAs that have not been adequately
- Hatch: Link to separate NFPA-805 review.
maintained in accordance with NRC
- Potential Challenge with Alternate Seismic endorsed PRA standards heavily Approach impact review schedules and cost
- Plants without Seismic PRA or a seismic margin analysis (SMA) 4
Growth in Risk-Informed Applications Risk-Informed Licensing Actions Received from FY16-FY18 100 90 87 79 80 TMRE NTTF R2.1 70 50.69 Number of LIcensing Actions Misc 60 AOT TSTF-505, 4B 50 GSI-191 41 TSTF-411 40 RI-ISI RI TS 30 TSTF-425, 5B NFPA805 20 ILRT 10 0
FY16 FY17 FY18
Future Workload Challenge
- Future Wave:
- Potential for close to 40 TSTF-505 & 10 CFR 50.69 TSTF-505 reviews amendments will be under Current & Future review.
- Plus other Risk-Informed Workload items.
- w/ TSTF-505 goal of 1500 hrs/2 yrs and 50.69 goal of 750 hrs/yr = about 18 FTE/yr
- Potential Mitigation Strategies
- Capture Lessons Learn
- Utilize Integrated Review Team (IRT) Process
- Accept-and-Hold Leveling 10 CFR 50.69 reviews
- Review Efficiencies (binning Current & Future by similar content, priority)
- Increase Contractor Capacity