Investigation of Potential Fire-Related Damage to Safety-Related Equipment in Nuclear Power Plants (NUREG/CR-4310,SAND85-7247)
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Publication Information
Date Published: November 1985
Prepared by:
John Wanless
NUS Corporation
2740 Sand Hill Road
Menlo Park, California, 94025
Under Contract No. 58-3430, issued by:
Sandia National Laboratories
Albuquerque, New Mexico 87185
Operated by Sandia Corporation
for the U.S. Department of Energy
Under Contract No. DE-AC04-76DP00789
Dennis L. Berry, Sandia Project Monitor
Prepared for:
Electrical Engineering Instrumentation and Control Branch
Division of Engineering Technology
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington. DC 20555-0001
Under Memorandum of Understanding 40-550-75
NRC FIN A-1010
Availability Notice
Abstract
Based on a review of vendor information, fire damage reports. equipment qualification and hydrogen burn test results, and material properties, thirty-three types of equipment found in nuclear power plants were ranked in terms of their potential sensitivity to fire environments. The ranking considered both the functional requirements and damage proneness of each component. A further review of the seven top-ranked components was performed, considering the relative prevalence and potential safety significance of each. From this, relays and hand switches dominate as first choices for fire damage testing with logic equipment, power supplies, transmitters, and motor control centers as future candidates.
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