Document: NUREG-0800
Document ID: 2b97cac0-236e-4362-b454-56126b369173
Document Type: srp
Title: B-8
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1601/ML16019A091.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.1
CFR Part: 
CFR Title: 

Content:
Revision 6 – August 2016 qualification is given in SRP Sections 3.10, “Seismic and Dynamic Qualification of Mechanical and Electrical Equipment,” and 3.11, “Environmental Qualification of Mechanical and Electrical Equipment.” 4.5. Channel Integrity (IEEE Std 279-1971, Clause 4.5) Information provided in Clauses 3(7) and 3(8) of IEEE Std 279-1971 is to be reviewed to confirm that the design includes the qualification of equipment for the conditions identified in the design bases. Failures may not be credited to protect the integrity of other equipment. The review should confirm that tests have been conducted on protection system equipment components and the system racks and panels as a whole to demonstrate the functional performance requirements of the protection system over the range of transient and steady-state conditions of both the energy supply and the environment. Where tests have not been conducted, the applicant should confirm that the protection system components are conservatively designed to operate over the range of service conditions. Auxiliary features necessary to support protection system performance should meet all of the requirements of IEEE Std 279-1971. Other auxiliary features that are part of the protection system, but not isolated from the protection system, should be designed to meet the criteria of IEEE Std 279-1971 as necessary to assure that these components and systems do not degrade the protection systems below an acceptable level. SRP BTP 7-9, “Guidance on Requirements for Reactor Protection System Anticipatory Trips,” provides specific guidance for the review of anticipatory trips that are auxiliary features of a reactor protection system. The sharing of structures, systems, and components between units in multi-unit stations is permissible provided that the ability to simultaneously perform required safety functions in all units is not impaired. The review of shared displays and controls should be coordinated with the