Thermal-Hydraulic Phenomena/Future Plant Designs - February 15, 2002
ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
COMBINED THERMAL-HYDRAULIC PHENOMENA/FUTURE PLANT DESIGNS:
SUBCOMMITTEE MEETING:
ANO-2/CLINTON POWER STATION CORE POWER UPRATE REQUESTS
AP1000 PHASE 2 ADVANCED PLANT DESIGN REVIEW
FEBRUARY 13-15, 2002
ROCKVILLE, MARYLAND
PRESENTATION SCHEDULE
February 13, 2002
|
TOPIC |
PRESENTER |
TIME |
I. |
Opening Remarks |
G. Wallis, Chairman |
8:30 a.m. |
II. |
Arkansas Nuclear One, Unit 2 Power Uprate |
|
|
|
A. Entergy Presentations (Closed as Necessary) |
Entergy |
8:35 a.m. |
|
- Introduction
- Plant Changes to Accommodate Power Uprate
|
|
|
|
- Include Discussion of Necessary Modifications to Plant Operating Parameters/Plant Hardware (e.g. BAM tank, RV Fluence & P-T Limits) |
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3. Compliance with Regulatory Requirements |
|
|
|
-Analyses Performed
- Impact on Plant Margins |
|
|
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4. Review Issues: |
|
|
|
- Plant Operator Training/Impact on Operator Action Times
- ATWS Event Response for Uprate Conditions
- Fuel response for ATWS/Power Excursions
- Material Degradation Issues (e.g., Alloy 600/FAC)
- SG Tube Integrity
- Impact on Containment Response/P,T Limits
- Piping Stress Limits
- Inspection Program |
|
|
5. ECCS Analyses |
|
|
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- Results |
|
|
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6. Resolution of Open Issues |
|
|
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- Radiological Analyses for Control Room, SGTR and LOCA |
|
|
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7. PRA Analyses |
|
|
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- Analyses Performed/Results (CDF/LERF, CDFs & LERFs, Associated Uncertainties)
- Evaluation of Other PRA Elements (e.g., fire, seismic, shutdown risk) |
|
|
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8. Concluding Remarks |
|
|
|
***LUNCH*** |
|
12:00 p.m. |
|
B. NRR Presentations (Open) |
NRR |
1:00 p.m. |
|
1. Introduction |
|
|
|
- Scope of SE |
|
|
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2. Reactor Systems Review
3. Plant Systems Review
4. Mechanical & Civil Engineering Review (including RSGs, NSSS & BOP Piping)
5. Materials & Chemical Engineering Review (including SG tube integrity, CEDMs, RV Fluence/PT Limits, Alloy 600 Program)
6. Resolution of Open Issues (addressed in Radiological Analyses Review)
7. PRA Analyses/Evaluation Of Licensee's PRA Examinations
8. Concluding Remarks |
|
|
C. Subcommittee Caucus (Open) |
|
2:30 p.m. |
|
- Comments on Meeting Presentations
- Follow-on Actions
- Decision to Bring Review to ACRS/Instructions to Presenters
|
|
|
III. |
Recess |
|
2:45 p.m. |
IV. |
Clinton Power Station, Unit 1 Extended Power Uprate |
|
|
|
|
A. Opening Remarks |
G. Wallis, Chairman, |
3:00 p.m. |
|
B. AmerGen Presentations
(Closed as Necessary) |
Amergen/GENE |
3:15 p.m. |
|
- Introduction
- Plant Changes to Accommodate Power Uprate
- Compliance with Regulatory Requirements
|
|
|
|
- Hardware Modifications
- Analyses Performed
- Exceptions To ELTR1/ 2 Requirements
- Impact on Plant Margins |
|
|
|
4. Review Issues: |
|
|
|
- Plant Operator Training/ Operator Action Times
- Stability Monitor/ Instability Avoidance
- ATWS Event Rsponse for Uprate Conditions
- Fuel response for ATWS/Power Excursions
- Material Degradation Issues (e.g.,IASCC/FAC)
- Impact on Containment Response/Load Limits
- Piping Stress Limits
- Inspection Program
- Impact of Uprate on Steam Separator/Dryer System |
|
|
V. |
Recess |
|
6:00 p.m. |
February 14, 2002
VI. |
Reconvene |
|
G. Wallis, Chairman |
8:30 a.m. |
VII. |
Clinton Uprate (Cont.) |
|
|
|
|
B. AmerGen Presentations (Cont.)
(Closed as Necessary) |
|
|
|
5. ECCS Analyses |
AmerGen |
8:40 a.m. |
|
- Results |
|
|
|
6. PRA Analyses |
|
|
|
- Analyses Performed/ Results (CDF/LERF, CDFs & LERFs, Associated Uncertainties(1))
- Evaluation of Other PRA Elements(2) (e.g., fire, seismic, shutdown risk) |
|
|
|
7. Concluding Remarks |
|
10:00a.m. |
|
C. NRR Presentations (Open) |
NRR |
10:15 a.m. |
|
1. Introduction |
|
|
|
- Staff Evaluation
- Comments on SER Quality Upgrade |
|
|
|
2. Reactor Systems Review
3. Plant Systems Review
4. Response to ACRS Questions |
|
|
|
- Review of Exceptions to ELTR1&2
- Material Degradation Issues
- PRA Analyses/Evaluation Of Licensee's PRA Examinations
- Human Performance |
|
|
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5. Concluding Remarks |
|
|
|
D. Subcommittee Caucus (Open) |
|
11:45 a.m. |
|
- Comments on Meeting Presentations
- Follow-on Actions
- Decision to Bring Review to ACRS/ Instructions to Presenters
|
|
|
VIII. |
Recess |
|
12:00 p.m. |
IX. |
AP1000 Phase 2 Pre-Application Review |
|
|
|
|
A. Introduction |
T. Kress, ACRS |
1:00 p.m. |
|
B. NRC Overview |
A. Drozd, NRR |
1:05 p.m. |
|
C. Design Acceptance Criteria & Exemptions |
|
|
|
- Summary of Staff Position
- Background
- Relevant Technical Issues
- Westinghouse Response
|
A. Drozd
J. Wilson, NRR
D. Terao/G. Bagchi, NRR
W Representative |
|
|
***BREAK*** |
|
3:00 p.m. |
|
D. Staff Position on Codes/Testing |
A. Drozd |
3:15 p.m. |
|
- Applicability of AP600 Scaling
- Westinghouse Response
- Subcommittee Discussion
|
S. Bajorek
W Representative |
3:25 p.m.
4:30 p.m.
4:45 p.m. |
X. |
Recess |
|
5:00 p.m. |
February 15, 2002
XI. |
Reconvene |
|
T. Kress |
8:30 a.m. |
|
D. Staff Position on Codes/Testing (Cont.) |
|
|
|
4. Applicability of AP600 Codes |
|
|
|
- Reactor Codes
- Westinghouse Response |
W. Jensen, NRR
W Representative |
8:35 a.m.
9:40 a.m. |
|
***BREAK*** |
|
10:15 a.m. |
|
- WGOTHIC Containment Code
- Westinghouse Response |
E. Throm
W Representative |
10:30 a.m.
11:00 a.m. |
|
E. Subcommittee Caucus (Open) |
|
11:30 a.m. |
|
- Comments on Meeting Presentations
- Follow-on Actions
- Decision to Bring Review to ACRS/Instructions to Presenters
|
|
|
XII. |
Adjourn |
|
11:45 a.m. |
1. If uncertainty evaluations not performed, provide a qualitative discussion of this matter.
2. If quantitative analyses not available, provide rigorous qualitative arguments.
Page Last Reviewed/Updated Monday, July 13, 2020