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Materials and Metallurgy Subcommittee Meeting, February 5, 2003

ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
MATERIALS AND METALLURGY SUBCOMMITTEE MEETING
PRESSURIZED THERMAL SHOCK (PTS) SCREENING CRITERIA
FEBRUARY 5, 2003, ROCKVILLE, MARYLAND

-PROPOSED SCHEDULE-

Contact:Richard Savio (301-415-7363, rps1@nrc.gov)
 Ramin Assa (301-415-6885, rra@nrc.gov)
  
 TOPICSPRESENTERSTIME
    
I.Opening Remarks W. Shack, ACRS8:30-8:35 a.m.
II.PTS Re-evaluation Project IntroductionM. Mayfield, RES8:35-8:50 a.m.
III.
PTS Project Overview, Background
M. Kirk8:50-9:35 a.m.
 

Significance of RELAP differences w/ experiments (assessment results)

D. Bessette9:35-9:55 a.m.
 
**BREAK***
 9:55-10:10 a.m.
IV.
Plant Specific Results (Oconee-1, Beaver Valley-1, Palisades)
Thermal-Hydraulic characteristics of dominant transients. Uncertainty results.
M. Kirk
D. Bessette
R. Woods
10:10-12:00 a.m.
 
**LUNCH***
 12:00-1:00 p.m.
 

Plant Specific Results (Continued), Applicability Beyond the study plants
Generalization and external events

A. Kolaczkowski, SAIC
D. Whitehead, SNL
M. Kirk
R. Woods
1:00-2:10
V.
Risk-Informed Reactor Vessel Failure Frequency Acceptance Criteria
Post PTS Vessel Failure considerations
(including addressing comments of ACRS)
Results of T-H analyses
N. Siu
D. Bessette
2:10-3:10
 
**BREAK***
 3:10-3:25 p.m.
VI.
PTS RTNDT based screening limit
M. Kirk3:25-3:55 p.m.
VII.
Overall summary and conclusions
M. Kirk, E. Hackett3:55-4:55 p.m.
VIII.
Subcommittee discussion
 4:55-5:10p.m.
IX.
Adjourn
 5:10 p.m.

Note:

  • Presentation time should not exceed 50% of the total time allocated for a specific item. The remaining 50 percent of the time is reserved for discussion.
  • 25 copies of the presentation materials to be provided to the Subcommittee
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