Demonstrating the Feasibility and Reliability of Operator Manual Actions in Response to Fire (NUREG-1852)

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Publication Information

Manuscript Completed: September 2007
Date Published: October 2007

Prepared by:
A. Kolaczkowski/Science Applications International Corporation
J. Forester/Sandia National Laboratories
R. Gallucci, A. Klein/U.S. Nuclear Regulatory Commission
J. Bongarra, P. Qualls, P. Barbadoro/U.S. Nuclear Regulatory Commission

Sandia National Laboratories
P.O. Box 5800
Albuquerque, NM 87185

Science Applications International Corporation
405 Urban Street, Suite 400
Lakewood, CO 80220

E. Lois, NRC Project Manager

Prepared for:
Division of Risk Assessment and Special Projects
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

This report provides criteria and associated technical bases for evaluating the feasibility and reliability of postfire operator manual actions implemented in nuclear power plants. The U.S. Nuclear Regulatory Commission (NRC) developed this report as a reference guide for agency staff who evaluate the acceptability of manual actions, submitted by licensees as exemption requests from the requirements of Paragraph III.G.2 of Appendix R, "Fire Protection Program for Nuclear Power Facilities Operating Prior to January 1, 1979," to Title10, Part 50, "Domestic Licensing of Production and Utilization Facilities," of the Code of Federal Regulations (10 CFR Part 50), as a means of achieving and maintaining hot shutdown conditions during and after fire events. The staff may use this information in the review of future postfire operator manual actions to determine if the feasibility and reliability of the operator manual action were adequately evaluated.