Document: NUREG-0800
Document ID: 96afb1d6-6ce9-41e4-b4ec-1fc7747bc0b2
Document Type: srp
Title: Revision 8 – January 2021
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML2033/ML20339A647.pdf
Revision Date: 2023-05
Chapter: 7
Section ID: 7
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on: Reproduction and Distribution Services Section; by fax to (301) 415-2289; or by e-mail to DISTRIBUTION@nrc.gov. Electronic copies of this section are available through the NRC's public Web site at http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr0800, or in the NRC's Agencywide Documents Access and Management System (ADAMS), at http://www.nrc.gov/reading-rm/adams.html, under Accession No. ML20339A647. NUREG-0800 U.S. NUCLEAR REGULATORY COMMISSION STANDARD REVIEW PLAN BRANCH TECHNICAL POSITION 7-19 GUIDANCE FOR EVALUATION OF DEFENSE IN DEPTH AND DIVERSITY TO ADDRESS COMMON-CAUSE FAILURE DUE TO LATENT DESIGN DEFECTS IN DIGITAL SAFETY SYSTEMS REVIEW RESPONSIBILITIES Primary – Organization responsible for the review of instrumentation and controls (I&C) Secondary – Organizations responsible for the review of reactor and containment systems and organizations responsible for the review of human factors engineering (HFE) Review Note: The revision numbers of regulatory guides (RGs) and the years of endorsed industry standards referenced in this branch technical position (BTP) are centrally maintained in NUREG-0800, “Standard Review Plan for the Review of Safety Analysis Reports for Nuclear BTP 7-19-2 Revision 8 – January 2021 Power Plants: LWR Edition” (SRP), Table 7-1, “Regulatory Requirements, Acceptance Criteria, and Guidelines for Instrumentation and Control Systems Important to Safety” (Table 7-1). This BTP does include the associated year in references to industry standards incorporated by reference into regulations (Institute of Electrical and Electronics Engineers (IEEE) Standard (Std) 279-1968, IEEE Std 279-1971, and IEEE Std 603-1991), as well as industry standards that are not endorsed by the agency. Users should consult Table 7-1 to ensure that reviews apply the appropriate RGs and endorsed industry standards. A. BACKGROUND Digital technology offers significant operational and maintenance benefits for I&C systems of nuclear power