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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

Contact: P. Boehnert (301/415-8065) (pab2@nrc.gov)
A. Singh (415-6899) (axs@nrc.gov)
M. El-Zeftawy (415-6889) (mme@nrc.gov)

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.
 
  1. Introduction
  2.  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)
  3. Compliance with Regulatory Requirements    
  -Analyses Performed
- Impact on Plant Margins		    
  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    
  - Results    
  6. Resolution of Open Issues    
  - Radiological Analyses for Control Room, SGTR and LOCA    
  7. PRA Analyses    
  - Analyses Performed/Results (CDF/LERF, CDFs & LERFs, Associated Uncertainties)
- Evaluation of Other PRA Elements (e.g., fire, seismic, shutdown risk)		    
  8. Concluding Remarks    
  ***LUNCH***   12:00 p.m.
  B. NRR Presentations (Open) NRR 1:00 p.m.
  1. Introduction    
  - Scope of SE    
  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.
 
  1. Comments on Meeting Presentations
  2. Follow-on Actions
  3. 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.
 
  1. Introduction
  2. Plant Changes to Accommodate Power Uprate
  3. 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		    
  5. Concluding Remarks    
  D. Subcommittee Caucus (Open)   11:45 a.m.
 
  1. Comments on Meeting Presentations
  2. Follow-on Actions
  3. 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    
 
  1. Summary of Staff Position
  2. Background
  3. Relevant Technical Issues
  4. 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.
 
  1. Applicability of AP600 Scaling
  2. Westinghouse Response
  3. 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.
 
  1. Comments on Meeting Presentations
  2. Follow-on Actions
  3. 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

Page Last Reviewed/Updated Monday, July 13, 2020