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May 22, 2000
MEMORANDUM TO: |
William D. Travers
Executive Director for Operations |
|
/RA/ |
FROM: |
John T. Larkins, Executive Director
Advisory Committee on Reactor Safeguards |
SUBJECT: |
PROPOSED MODIFICATIONS TO REGULATORY
GUIDANCE DOCUMENTS REGARDING USE OF RISK-INFORMED DECISION MAKING IN LICENSE
AMENDMENT REVIEWS |
During the 472nd meeting of the Advisory Committee on Reactor Safeguards, May 11-13, 2000, the Committee met with
representatives of the NRC staff, Nuclear Energy Institute, and Union Electric Company to discuss the proposed new Appendix to
NUREG-0800, Standard Review Plan Chapter 19, "Use of Probabilistic Risk Assessment in Plant-Specific, Risk-Informed
Decisionmaking: General Guidance," and associated modifications to Regulatory Guide 1.174, "An Approach for Using
Probabilistic Risk Assessment in Risk-Informed Decisions on Plant-Specific Changes to the Licensing Basis." The Committee has
no objection to issuing the draft documents for public comment. The Committee plans to review the proposed final version of these
documents after reconciliation of public comments.
References:
1. |
Memorandum dated April 3, 2000, from Gary M. Holahan,
Office of Nuclear Reactor Regulation, to John T. Larkins,
Executive Director, ACRS, Subject: Modifications to Regulatory
Guidance Documents Regarding Use of Risk-Informed
Decisionmaking in License Amendment Reviews. |
2. |
U.S. Nuclear Regulatory Commission, Regulatory Guide 1.174,
"An Approach for Using Probabilistic Risk Assessment in Risk-Informed Decisions on Plant-Specific Changes to the Licensing
Basis," July 1998. |
3. |
U.S. Nuclear Regulatory Commission, NUREG-0800, Standard
Review Plan Chapter 19, "Use of Probabilistic Risk Assessment
in Plant-Specific, Risk-Informed Decisionmaking: General
Guidance," July 1998. |
4. |
U. S. Nuclear Regulatory Commission, NRC Regulatory Issue
Summary 2000-07, "Use of Risk-Informed Decisionmaking in
License Amendment Reviews," March 28, 2000. |
cc: |
A. Vietti-Cook, SECY
J. Blaha, EDO
G. Millman, EDO
S. Collins, NRR
G. Holahan, NRR
R. Barrett, NRR
R. Palla, NRR |
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