ACRS Thermo-Hydraulic Phenomena Subcommittee Meeting - October 25-26, 2001
ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
THERMAL-HYDRAULIC PHENOMENA SUBCOMMITTEE MEETING:
DRESDEN/QUAD CITIES NUCLEAR POWER STATION UPRATE REQUEST
OCTOBER 25-26, 2001
ROCKVILLE, MARYLAND
PRESENTATION SCHEDULE
Contact: | P. Boehnert (301/415-8065) (pab2@nrc.gov) |
October 25, 2001
TOPIC | SPEAKER | TIME | ||
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I. | Opening Remarks | G. Wallis, Chairman, | 1:00 p.m. | |
II. | Dresden/Quad Cities Power Uprates | |||
A. Exelon Presentations (Open/Closed?) |
Exelon/GE Nuclear Energy | 1:15 p.m. | ||
1. Introduction | ||||
2. Plant Changes to Accommodate Power Uprate(1) | ||||
3. Compliance with Regulatory Requirements | ||||
- Hardware Modifications - Analyses Performed - Impact on Plant Margins |
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4. Review Issues: | ||||
- Plant Operator Training/Operator Action Times - Stability Monitor/Instability Avoidance - ATWS Event Response for Uprate Conditions - Fuel response for ATWS/Power Excursions - Material Degradation Issues (e.g.,IASCC/FAC) - Impact on Containment Response/Load Limits - Piping Stress Limit - Inspection Program - Impact of Uprate on Steam Separator/Dryer System |
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5. ECCS Analyses | ||||
- Results | ||||
6. Resolution of Open Issues | ||||
- NPSH Requirements - Ultimate Heat Sink - ATWS Audit - Transient Tests |
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7. PRA Analysis | ||||
- Analyses Performed/Results (CDF LERF, CDFs & LERFs, Associated Uncertainties(2)) - Evaluation of Missing PRA Elements(3)(e.g., fire, seismic, shutdown risk) |
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8. Concluding Remarks | ||||
III. | Recess | 6:00 p.m. | ||
October 26, 2001 | ||||
IV. | Reconvene | G. Wallis, Chairman | 8:30 a.m. | |
V. | Dresden/Quad Cities Uprate (Cont.) | |||
B. NRR Presentations (Open) | NRR | 8:40 a.m. | ||
1. Introduction | ||||
-Staff Evaluation -Response to Duane Arnold Review |
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2. NRR SER Results/Response to ACRS Questions | ||||
- Key Staff Review Issues/Review Results - Audits of Licensee's Code Calculations - Evaluation of Containment Response - Evaluation of ATWS Response - Material Degradation Issues - Impact on Plant Margins - PRA Analyses/Evaluation Of Licensee's PRA Examinations |
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3. Open Issues | ||||
4. Concluding Remarks | ||||
C. Subcommittee Caucus (Open) | 12:00 p.m. | |||
1. Comments on Meeting Presentations | ||||
2. Follow-on Actions | ||||
3. Decision to Bring Review to ACRS | ||||
VI. | Adjourn | 12:30 p.m. |
1. For discussion items 2-7, note differences in plant designs as necessary.
2. If uncertainty evaluations not performed, provide a qualitative discussion of this matter.
3. If quantitative analyses not available, provide rigorous qualitative arguments.
Page Last Reviewed/Updated Friday, April 10, 2020
Page Last Reviewed/Updated Friday, April 10, 2020