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. 02-078 June 27, 2002

 ADVISORY COMMITTEE ON REACTOR SAFEGUARDS

 TO MEET IN ROCKVILLE, MARYLAND, JULY 10 - 12

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

scheduled a meeting in Rockville, Maryland, July 10 -12. During one of the sessions, the ACRS will

meet with NRC Commissioners. This session will focus on, among other items, risk-informing special

treatment requirements of Part 50 of the Commission’s regulations, advanced reactors, reactor core

power uprates and nuclear power plant operating license renewals. 

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, beginning at 8:30 a.m. each day. However, the

meeting with Commissioners will be held at 2 p.m. on July 10 in the Commissioners’ Conference Room

of the agency’s One White Flint North building at 11555 Rockville Pike. The complete agenda is

attached.

Those who wish to make oral or written statements, or seek additional information on the

meeting or changes to the agenda should contact Dr. Sher Badahur, at 301-415-0138.

ACRS Agenda:

WEDNESDAY, CONFERENCE ROOM 2B3, TWO WHITE FLINT NORTH

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

Opening statement 

Items of current interest 

8:35 - 10:00 A.M. Pressurized Thermal Shock (PTS) Reevaluation Project: Risk Acceptance

Criteria

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding the risk metrics and associated criteria that can be used in

reevaluating the technical basis of the PTS rule.
Representatives of the nuclear industry may provide their views, as

appropriate.

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

10:15 - 11:15 A.M. Draft Final Revision 1 to Regulatory Guide 1.174, “An Approach to Using

Probabilistic Risk Assessment in Risk-Informed Decisions on Plant-Specific

Changes to the Licensing Basis,” and Associated Standard Review Plan Chapter

19

Remarks by the Subcommittee Chairman 

Briefing by and discussions with representatives of the NRC staff

regarding the draft final revision 1 to Regulatory Guide 1.174 and the

associated Standard Review Plan Chapter 19, “Use of Probabilistic Risk

Assessment in Plant-Specific, Risk-Informed Decisionmaking: General

Guidance.”

11:15 - 12:45 P.M. Discussion of Topics for Meeting with the NRC Commissioners

12:45 - 2:00 P.M. ***LUNCH***

2:00 - 4:00 P.M. Meeting with the NRC Commissioners

The Committee will meet with the NRC Commissioners,

Commissioners’ Conference Room, One White Flint North, to

discuss the following:

- Overview 

- Core Power Uprates and License Renewals

- Future Committee Activities

- Advanced Reactors 

- Risk-Informing Special Treatment Requirements of 10 

 CFR Part 50 

- Pressurized Thermal Shock Technical Basis 

 Reevaluation Project 

4:00 - 4:15 P.M. ***BREAK***

4:15 - 5:15 P.M. Risk-Informed Regulation Implementation Plan

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding the updated version of the Risk-Informed 

Regulation Implementation Plan.

5:15 - 5:30 P.M. ***BREAK***
5:30 - 7:15 P.M. Proposed ACRS Reports

Discussion of proposed ACRS reports on:

PTS Reevaluation Project: Risk Acceptance Criteria

Draft Final Revision 1 to Regulatory Guide 1.174 and SRP

Chapter 19 

Risk-Informed Regulation Implementation Plan 

THURSDAY

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

8:35 - 10:00 A.M. Advanced Reactors Research Plan

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding the modifications and updates to the Advanced Reactors

Research Plan.

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

10:15 - 12:00 Noon Overview of NRC Research Activities in the Seismic Area

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding ongoing and proposed research activities as well as new

research needs in the seismic area.

12:00 - 1:00 P.M. ***LUNCH***

1:00 - 2:30 P.M. Development of Review Standard for Reviewing Core Power Uprate

Applications 

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding the development of a “Review Standard” for use in future

reviews of core power uprate applications.

2:30 - 2:45 P.M. ***BREAK***

2:45 - 6:00 P.M. Proposed ACRS Reports

Discussion of proposed ACRS reports on:

PTS Reevaluation Project: Risk Acceptance Criteria 

Draft Final Revision 1 to Regulatory Guide 1.174 and SRP Chapter 19 
Risk-Informed Regulation Implementation Plan 

Advanced Reactors Research Plan 

Development of Review Standard for Reviewing Core Power Uprate

Applications (Tentative) 

FRIDAY

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

8:35 - 10:15 A.M. Application of the Probabilistic Fracture Mechanics Methodologies to Reactor

Vessel Integrity Assessment

Remarks by the Subcommittee Chairman

Briefing by and discussions with representatives of the NRC staff

regarding application of the probabilistic fracture mechanics

methodologies (including the FAVOR computer code) to assess reactor

pressure vessel integrity.

10:15 - 10:30 A.M. ***BREAK***

10:30 - 2:30 P.M. Proposed ACRS Reports (Open)

(12:00 - 1:00 P.M. (LUNCH) Continue discussion of proposed ACRS reports.

2:30 - 2:45 P.M. ***BREAK***

2:45 - 3:30 P.M. Future ACRS Activities/Report of the Planning and Procedures

Subcommittee

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.

3:30 - 3:45 P.M. Reconciliation of ACRS Comments and Recommendations

Discussion of the responses from the NRC Executive Director for

Operations to comments and recommendations included in recent

ACRS reports and letters.

3:45 - 4:45 P.M. Format and Content of the 2003 ACRS Report on the NRC Safety

Research Program
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.

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

5:00 - 6:00 P.M. Proposed Papers for the Quadripartite Meeting

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

6:00 - 6:30 P.M. Miscellaneous

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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