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> Joint Subcommittee on Reliability and Probabilistic Assessment Meeting
REVISED 12/7/99
ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
MEETING OF THE JOINT SUBCOMMITTEE ON
RELIABILITY AND PROBABILISTIC RISK ASSESSMENT
ROOM T-2B3, 11545 ROCKVILLE PIKE, ROCKVILLE, MD
DECEMBER 15-16, 1999
ACRS Contact: Michael T. Markley (301) 415-6885
- PROPOSED SCHEDULE -
TOPIC PRESENTER TIME
December 15, 1999
1) Introduction 8:30-8:35 am
. Review goals and objectives G. Apostolakis, ACRS
for this meeting:
- programs for risk-based
analysis of operating experience
and special studies
- risk-informed technical
specifications
2) NRC Staff Presentation 8:35-10:00 am
. Program overview P. Baranowsky, RES
S. Mays, RES, et.al.
. data sources: EPIX and RADS
. common-cause failure analysis
. Status of system/component studies:
- high-pressure safety injection
- reactor protection system
(Westinghouse and General Electric)
- component performance turbine-
and motor-driven pumps
- high pressure core spray
- high pressure coolant injection
- reactor core isolation cooling
. accident sequence precursor analyses
- recent results, e.g., D.C. Cook
- model development
. risk-based performance indicator
development
** BREAK ** 10:00-10:15 am
3) NRC Staff Presentation 10:15-12:00 noon
. Continued discussion of topics and P. Baranowsky, RES
special studies noted above S. Mays, RES, et.al.
** LUNCH ** 12:00-1:00 pm
4) NRC Staff Presentation 1:00-2:00 pm
. Continued discussion of topics and P. Baranowsky, RES
special studies noted above S. Mays, RES, et.al.
5) General Discussion and Recess 2:00-2:30 pm
. General discussion and comments G. Apostolakis, ACRS
by Members of the Subcommittee;
items for future meetings
December 16, 1999
6) Introduction 8:30-8:35 am
. Review goals and objectives G. Apostolakis, ACRS
for this meeting:
- NRC staff activities in risk-informed
technical specifications (TS)
- industry initiatives proposed by Risk-
Informed Technical Specification Task
Force (RITSTF)
7) NRC Staff Presentation 8:35-10:00 am
. Introductory remarks B. Beckner, NRR
R. Barrett, NRR
. Status of risk-informed TS activities N. Gilles, NRR
since last briefing
. Discussion of staff's strategic vision and R. Dennig, NRR
staff activities in support of RITSTF
initiatives
** BREAK ** 10:00-10:15 am
8) Industry Presentation 10:15-11:45 am
. RITSTF Goals & Initiatives Biff Bradley, NEI
- define HOT SHUTDOWN as preferred Tom Hook, SCE
end state for TS actions Sharon Mahler, NPPD
- delay time for entry into TS action for Wayne Harrison, HL&P
missed surveillances
- modify Mode restraint logic to allow entry
into higher Modes based on risk
- use of configuration risk management for
allowed outage times
- optimize surveillance requirements
- modify TS 3.0 3 one-hour shutdown
requirement
- define actions for equipment that is
functional but not operable
9) General Discussion and Adjournment 11:45-12:00 noon
. General discussion and comments G. Apostolakis, ACRS
by Members of the Subcommittee;
items for future meetings
Note: Presentation time should not exceed 50% of the total time allocated for a specific
item. Number of copies of presentation materials to be provided to the ACRS - 35.
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