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> Thermo-Hydraulic Phenomena Subcommittee Meeting
ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
THERMAL-HYDRAULIC PHENOMENA SUBCOMMITTEE MEETING:
DUANE ARNOLD ENERGY CENTER POWER UPRATE REQUEST,
SEPTEMBER 26-27, 2001
ROCKVILLE, MARYLAND
PRESENTATION SCHEDULE
| Contact: |
P. Boehnert (301/415-8065)
("pab2@nrc.gov") |
September 26, 2001
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TOPIC |
PRESENTER |
TIME |
| I. |
Opening Remarks |
G. Wallis, Chairman,
D. Powers, ACRS
Cognizant Member |
1:00 p.m. |
| II. |
Duane Arnold Power Uprate |
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A. NMC Presentations
(Open/Closed?) |
NMC/GE Nuclear Energy |
1:15 p.m. |
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1. Introduction
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2. Plant Changes to Accommodate Power Uprate
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3. Compliance with Regulatory Requirements |
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- Hardware Modifications
- Analyses Performed
- Impact on Plant Margins |
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4. Response to ACRS Questions: |
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- Plant Operator Training
- Stability Monitor/Instability Avoidance
- ATWS Event Response for Uprate Conditions
- Fuel response for ATWS/Power Excursions
- Material Degradation Issues
- Impact on Containment Drywell/Wetwell Temperature Limits
- Impact of Uprate on Steam Separator/Dryer System
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5. ECCS Analyses |
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- Methodology
- Results
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6. PRA Analyses |
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- Analyses Performed/Results
(CDF LERF, CDFs &
LERFs, Associated
Uncertainties(1))
- Evaluation of Missing
PRA Elements(2)
(e.g., fire, seismic,
shutdown risk)
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7. Resolution of Open Issues
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8. Concluding Remarks |
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| III. |
Recess |
|
5:00 p.m. |
September 27, 2001 |
| IV. |
Reconvene |
D. Powers, ACRS
Cognizant Member |
8:30 a.m. |
| V. |
Duane Arnold Power Uprate (Cont.)
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B. NRR Presentations (Open) |
NRR |
8:40 a.m. |
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1. Introduction
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2. NRR SER Results/Response
to ACRS Questions |
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- PRA Analyses/Evaluation
Of Licensee's PRA Examinations
- Audits of Licensee's Code Calculations
- Evaluation of ATWS Response
- Material Degradation Issues
- Impact on Plant Margins
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3. Open Issues
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4. Concluding Remarks
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C. Subcommittee Caucus (Open) |
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11:45 a.m. |
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1. Comments on Meeting Presentations
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2. Follow-on Actions
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3. Decision to Bring Review to
ACRS
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| VI. |
Adjourn |
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12:00 p.m. |
1. If uncertainty evaluations not performed, provide a qualitative discussion of this matter.
2. If quantitative analyses not available, provide rigorous qualitative arguments.
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