ACRS Joint Subcommittees on Materials And Metallurgy, Thermal-Hydraulic Phenomena Meeting - March 16, 2000

REVISED 3/5/01

ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
JOINT MEETING OF THE ACRS SUBCOMMITTEES ON
MATERIALS AND METALLURGY, THERMAL-HYDRAULIC PHENOMENA,
AND RELIABILITY AND PROBABILISTIC RISK ASSESSMENT
ROOM T-2B3, 11545 ROCKVILLE PIKE, ROCKVILLE, MD
MARCH 16, 2000

ACRS Contact: Michael T. Markley (301) 415-6885 - E-mail: mtm@NRC.GOV

- PROPOSED SCHEDULE -

	TOPIC	SPEAKER	TIME
1)	Introduction		8:30-8:35 am
	Review goals and objectives for this meeting; introductions Proposed final ACRS report on the NRC Safety Research Program Risk-informing 10 CFR 50.46 for emergency core cooling systems Technical issues associated with large-break loss-of-coolant accidents (LBLOCA), leak-before-break phenomena (LBB), and probabilistic fracture mechanics (PFM)	Bill Shack, ACRS
2)	NRC Safety Research Program		8:35-9:30 am
	Proposed final ACRS report on the NRC Safety Research Program	George Apostolakis, ACRS
3)	Industry Presentation		9:30-10:30 am
	Overall industry approach: Why redefine LBLOCA?	Adrian Heymer, NEI
	Owners Group perspectives	Bob Osterrieder, WOG Lewis Ward, SNC (TBD), CEOG (TBD), B&WOG
	BREAK		10:30-10:45 am
4)	Industry Presentation-continued		10:45-11:30 am
	Overall industry approach: Why redefine LBLOCA?	Adrian Heymer, NEI
	Owners Group perspectives	Bob Osterrieder, WOG Lewis Ward, SNC (TBD), CEOG (TBD), B&WOG
	LUNCH		11:30-12:30 pm
5)	NRC Staff Presentation		12:30-2:00 pm
	Overview of staff activities	Tom King, RES
	Options for revising 10 CFR 50.46; advantages and disadvantages	Mark Cunningham, RES Mary Drouin, RES NRC contractors (TBD)
	Comments on approach proposed by the industry	M.Mayfield, RES
	Preliminary approach proposed by the staff	Mark Cunningham, RES Mary Drouin, RES
6)	ACRS General Discussion and Adjournment		2:00-2:30 pm
	General discussion and comments by Members of the Subcommittee; items for future meetings	Bill Shack, ACRS

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/ ACNW - 35.

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