NRC NEWS

 U.S. NUCLEAR REGULATORY COMMISSION 

 Office of Public Affairs Telephone: 301/415-8200

 Washington, DC 20555-0001 E-mail: opa@nrc.gov 

 Web Site: www.nrc.gov

No. 02-062 May 21, 2002

 NRC ADVISORY COMMITTEE ON REACTOR SAFEGUARDS

 TO MEET JUNE 6 - 8 IN ROCKVILLE, MARYLAND

The Nuclear Regulatory Commission’s Advisory Committee on Reactor Safeguards (ACRS) has

scheduled a meeting June 6 - 8 in Rockville, Maryland, to discuss, among other items, circumferential

cracks in reactor control rod drive mechanism penetration nozzles and welds, as well as reactor pressure

vessel head degradation at the Davis-Besse facility in Ohio. 

The meeting, which is open to the public, will be held in Room T-2B3 of the agency’s Two

White Flint North building, at 11545 Rockville Pike. It will begin at 8:30 a.m. each day. A complete

agenda is attached.

For additional information on the meeting or schedule changes, please contact Dr. Sher Bahadur

at 301-415-0138. 
ACRS Meeting Agenda

THURSDAY, JUNE 6, CONFERENCE ROOM 2B3, TWO WHITE FLINT NORTH

8:30 - 8:35 A.M. Opening Remarks by the ACRS Chairman (Open)

Opening statement 

Items of current interest 

8:35 - 10:30 A.M. CRDM Cracking of Vessel Head Penetrations and Vessel Head Degradation

(Open) 

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding issues related to the investigation of circumferential cracks in

PWR control rod drive mechanism (CRDM) penetration nozzles and

welds, and reactor pressure vessel head degradation at the Davis-Besse

Nuclear Power Plant.

Representatives of the nuclear industry may provide their views.

10:30 - 10:45 A.M. ***BREAK***

10:45 - 12:15 P.M. Technical Assessment Generic Safety Issue (GSI)-189, “Susceptibility of Ice

Condenser and Mark III Containments to Early Failure from Hydrogen

Combustion During a Severe Accident” (Open) 

Remarks by the Subcommittee Chairman 

Briefing by and discussions with representatives of the NRC staff

regarding its technical basis and proposed recommendations for resolving

GSI-189.

Representatives of the nuclear industry may provide their views, as

appropriate.

12:15 - 1:15 P.M. ***LUNCH***

1:15 - 2:15 P.M. Technical Assessment of GSI-168, Environmental Qualification of Low-Voltage

Instrumentation and Control Cables (Open) 

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding its technical basis and proposed recommendations for resolving

GSI-168.
Representatives of the nuclear industry may provide their views.

2:15 - 3:30 P.M. Development of Reliability/Availability Performance Indicators and Industry

Trends (Open) 

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding the staff’s initiatives to integrate the NRC programs for riskbased analysis of reactor operating experience into the reactor oversight

process, specifically the development of reliability/availability

performance indicators and industry trends. 

Representatives of the nuclear industry may provide their views.

3:30 - 3:45 P.M. ***BREAK***

3:45 - 4:45 P.M. Technical and Policy Issues Related to Advanced Reactors (Open)

 Remarks by the Subcommittee Chairman

 Briefing by and discussions with representatives of the NRC staff

regarding technical and policy issues related to advanced reactors.

4:45 - 5:00 P.M. ***BREAK***

5:00 - 7:15 P.M. Proposed ACRS Reports (Open)

Discussion of proposed ACRS reports on:

CRDM Cracking of Vessel Head Penetrations and Vessel

Head Degradation 

Technical Assessment of GSI-189, “Susceptibility of Ice Condenser and

Mark III Containments to Early Failure from Hydrogen Combustion

During a Severe Accident” 

Technical Assessment of Generic Safety Issue-168, “Environmental

Qualification of Low-Voltage I&C Cables”

Development of Reliability/Availability Performance Indicators and

Industry Trends 

Confirmatory Research Program on High Burnup Fuel (Tentative) 

Technical and Policy Issues Related to Advanced Reactors (Tentative) 
FRIDAY, JUNE 7

8:30 - 8:35 A.M. Opening Remarks by the ACRS Chairman (Open) 

8:35 - 10:00 A.M. Proposed Rulemaking to Endorse National Fire Protection

Association (NFPA) 805, “Performance-Based Standard for

Fire Protection for Light Water Reactor Electric Generating Plants”

(Open) 

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff and the

Nuclear Energy Institute regarding the proposed rulemaking to endorse

NFPA 805 fire protection standard, and related matters.

10:00 - 10:15 A.M. ***BREAK***

10:15 - 11:15 A.M. Generic Resolution of Voids in the Concrete Containment (Open) 

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding the generic resolution of the issue of voids in the concrete

containment walls.

11:15 - 12:00 Noon. Future ACRS Activities/Report of the Planning and Procedures

Subcommittee (Open) 

Discussion of the recommendations of the Planning and Procedures

Subcommittee regarding items proposed for consideration by the full

Committee during future ACRS meetings.

Report of the Planning and Procedures Subcommittee on

matters related to the conduct of ACRS business, and

organizational and personnel matters relating to the ACRS.

12:00 - 12:15 P.M. Reconciliation of ACRS Comments and Recommendations (Open)

Discussion of the responses from the NRC Executive Director for

Operations to comments and recommendations included in recent

ACRS reports and letters.

12:15 - 1:15 P.M. ***LUNCH***
1:15 - 7:15 P.M. Proposed ACRS Reports (Open)

Discussion of proposed ACRS Reports on:

CRDM Cracking of Vessel Head Penetrations and Vessel

Head Degradation 

Technical Assessment of GSI-189, “Susceptibility of Ice Condenser and

Mark III Containments to Early Failure from Hydrogen Combustion

During a Severe Accident” 

Technical Assessment of GSI-168, “Environmental Qualification of LowVoltage I&C Cables”

Development of Reliability/Availability Performance Indicators and

Industry Trends 

Proposed Rulemaking to Endorse NFPA 805 Fire Protection Standard 

Confirmatory Research Program on High Burnup Fuel (Tentative)

 Technical and Policy Issues Related to Advanced Reactors 

(Tentative) 

SATURDAY, JUNE 8

8:30 - 10:00 A.M. Proposed ACRS Reports (Open)

Continue discussion of proposed ACRS reports.

10:00 - 10:15 A.M. ***BREAK***

10:15 - 11:30 A.M. Discussion of Topics for Meeting with the NRC Commissioners (Open) 

Discussion of topics for meeting with the NRC Commissioners on

July 10.

11:30 - 12:45 P.M. ***WORKING LUNCH***

12:45 - 1:45 P.M. Format and Content of the 2003 ACRS Report on the NRC Safety

Research Program (Open) 

Remarks by the Subcommittee Chairman

Discussion of the format, content, schedule, and assignments for the 2003

ACRS report to the Commission on the NRC Safety Research Program.
1::45 - 2:45 P.M. Proposed Papers for the Quadripartite Meeting (Open) 

Discussion of proposed papers on the following:

Safety Culture and Safety Management 

Risk-Informed Regulation 

Thermal-Hydraulic Analysis and Code Issues 

Stress Corrosion Cracks in Pressure Retaining Components in Nuclear 

Power Plants 

Risk Analysis of Spent Fuel Storage 

2:45 - 3:00 P.M. Miscellaneous (Open) 

Discussion of matters related to the conduct of Committee

activities and matters and specific issues that were not

completed during previous meetings, as time and availability

of information permit.

NOTE: 

Presentation time should not exceed 50 percent of the total time allocated for a specific item. The

remaining 50 percent of the time is reserved for discussion.

Thirty-Five (35) copies of the presentation materials should be provided to the ACRS.

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