ML20007D904
| ML20007D904 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 01/08/2020 |
| From: | Jeffrey Bream NRC/NRR/DRO/IRIB |
| To: | |
| Bream J, 610-337-5212, NRR/DRO | |
| References | |
| Download: ML20007D904 (2) | |
Text
Proposed ROP Baseline Samples for Vogtle Site Minimum Nominal Maximum Title Bases Sample Sample Sample 71111.01* Adverse Weather Protection Site-wide Performance. Max Samples in accordance with Baseline.
Fewer passive high and intermediate 71111.04 Equipment Alignment (Partial) 3 3 3 important structures, systems, and components (SSCs)
Fewer high and intermediate important 71111.04S Equipment Alignment (Complete) 0 1 2 AP1000 systems compared to conventional reactor.
Fire drills are independent of technology and 71111.05A Fire Protection (Annual) 1 1 1 remain unchanged.
AP1000 has less fire areas than the sample 71111.05Q Fire Protection (Quarterly) 6 7 8 size for ROP.
No operating experience of flooded cable vaults, 71111.06 Flood Protection Measures 1 1 2 Annual inspection for external flood will become biennial.
Two heat sinks, containment and passive 71111.07A Heat Sink Performance (Annual) 1 1 1 RHR. Passive will be inspected every alternating IP frequency.
71111.07T* Heat Sink Performance (Triennial) Site-wide Performance. Max Samples in accordance with Baseline.
AP1000 on a 21-month nominal RFO and 71111.08P Inservice Inspection Activities (PWR) 1 1 1 conventional reactors on an18-month nominal RFO Licensed Op Requalification &
71111.11A 1 1 1 Performance (Annual)
Inspection for conventional reactors will be Licensed Op Requalification &
71111.11B 1 1 1 the same for AP1000 Performance (Biennial)
Licensed Op Requalification &
71111.11Q 8 8 8 Performance (Quarterly)
Maintenance Effectiveness (includes 71111.12 4 4 4 RTNSS as samples)
Fewer passive high and intermediate Maintenance Risk Assessments &
71111.13 7 8 9 important SSCs Emergent Work Control Operability Determinations and 71111.15 9 10 11 Functionality Assessments 1
Proposed ROP Baseline Samples for Vogtle Site Evaluations of Changes, Tests, and 71111.17T* Site-wide Performance. Max Samples in accordance with Baseline.
Experiments 71111.18 Plant Modifications 2 2 2 Fewer passive high and intermediate important SSCs 71111.19 Post Maintenance Testing 9 10 11 Refueling and Other Outage Same sample size due to the IP focuses on 71111.20 1 1 1 Activities outage management.
71111.21M* Design Basis Assurance (Teams) Site-wide Performance. Max Samples in accordance with Baseline.
Design-Basis Capability of Power Site-wide Performance. Max Samples in accordance with Baseline. (Increase Max samples 71111.21N.02*
Operated Valves range to provide additional samples) 71111.21N.05* Fire Protection Team Inspection Site-wide Performance. Max Samples in accordance with Baseline.
Stage 2 FLEX used for and inspected at Vogtle Units 1 & 2.
71111.22 Surveillance Testing 6 7 8 No FLEX at Vogtle Units 3 & 4 Fewer Tech Spec SSCs 18 PIs to verify vice 28; 6 are site-wide, so 71151 Performance Indicator Verification 12 12 12 split verification charge between 2 sites (3 each)
Site-wide Performance. Max Samples in accordance with Baseline.
71152* Problem Identification and Resolution (Adjust routine review to account for 4-unit site) 71153 Follow-up of Events and NOED 1 1 1 Fewer LERs due to fewer active components Emergency Preparedness 71114* Site-wide Performance. Max Samples in accordance with Baseline.
(8 IPs)
Radiation Protection 71124 Combination of Individual and Site Wide.
(8 IPs)
Security 71130*i Site-wide Performance. Max Samples in accordance with Baseline.
(9 IPs)
- Site-wide program common to all four Vogtle units 2