United States Nuclear Regulatory Commission - Protecting People and the Environment

(Availability of) An International Report on Safety Critical Software for Nuclear Reactors by the Regulator Task Force on Safety Critical Software (TF-SCS) (NUREG/IA-0463)

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Publication Information

Manuscript Completed: August 2014
Date Published: December 2015

Prepared by:
Sushil Birla, Russell Sydnor

Norbert Carte, NRC Project Manager

Division of Engineering
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Prepared as part of:
Prepared as part of the technical exchange and cooperation between the U.S. Nuclear Regulatory Commission and the Task Force for
Safety Critical Software in the Field of Nuclear Safety Research

Published by:
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Availability Notice

Abstract

The Regulator Task Force on Safety Critical Software (TF SCS) for nuclear reactors, which is comprised of seven international nuclear regulators and authorized technical-support organizations, and the U.S. Nuclear Regulatory Commission (NRC) have exchanged information seeking consistency in the technical basis for licensing reviews of software in safety-related digital instrumentation and control systems for nuclear power plants. The TF SCS has documented its consensus technical basis in the enclosed technical report and invited the NRC’s review and comments. Although the NRC is not a member of the TF SCS, the NRC staff have participated in meetings and provided comments on the TF SCS report. As a result, the NRC collaborated with the TF SCS by reviewing and providing comments to improve the technical report documenting the TF SCS’s common positions. This NUREG includes the TF SCS report titled "Licensing of Safety Critical Software for Nuclear Reactors - Common Position of International Nuclear Regulators and Authorised Technical Support Organisations." The NRC added an Appendix after the TF SCS report to assist NRC staff in using the information as a technical reference in any future changes to NRC’s regulatory guidance framework.

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