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)
   
  TOPICS PRESENTERS TIME
       
I. Opening Remarks W. Shack, ACRS 8:30-8:35 a.m.
II. PTS Re-evaluation Project Introduction M. Mayfield, RES 8:35-8:50 a.m.
III. PTS Project Overview, Background M. Kirk 8:50-9:35 a.m.
  Significance of RELAP differences w/ experiments (assessment results) D. Bessette 9:35-9:55 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. Kirk 3:25-3:55 p.m.
VII. Overall summary and conclusions M. Kirk, E. Hackett 3:55-4:55 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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