Document: NUREG-0800
Document ID: a8dee0cd-6529-4ac9-b659-26bda40aba48
Document Type: srp
Title: INFORMATION SYSTEMS IMPORTANT TO SAFETY
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1515/ML15159B138.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.5
CFR Part: 
CFR Title: 

Content:
d with the requirements stated in IEEE Std 279-1971. For BISI, the applicable requirement for IEEE Std 279-1974 is Clause 4.13, “Indication of Bypasses,” and for IEEE Std 603-1991 is Clause 5.8.3, “Indication of Bypasses.” For BISI that are isolated from safety systems the requirements for IEEE Std 279-1971 is Clause 4.7, “Control and Protection System Interaction,” and for IEEE Std 603-1991 are Clause 5.6.3, “Independence Between Safety Systems and Other Systems,” and Clause 6.3, “Interaction Between the Sense and Command Features and Other Systems.” 12. 10 CFR 50.34(f)(2)(v), “Additional TMI-Related Requirements” - bypass and inoperable status indication, or equivalent TMI Action Plan requirements imposed by Orders. 13. GDC 1, “Quality Standards and Records.” 14. GDC 24, “Separation of Protection and Control Systems.” Requirements applicable to annunciator systems 15. 10 CFR 50.54(jj) and 10 CFR 50.55(i). 16. 10 CFR 50.55a(h), requires compliance with IEEE Std 603-1991 and the correction sheet dated January 30, 1995. For nuclear power plants with construction permits issued before January 1, 1971, the applicant or licensee may elect to comply instead with their plant specific-licensing basis. For nuclear power plants with construction permits issued between January 1, 1971, and May 13, 1999, the applicant or licensee may elect to comply instead with the requirements in IEEE Std 279-1971. For annunciators that are isolated from the protection system, the applicable requirement(s) of 10 CFR 50.55a(h) for IEEE Std 279-1971 is Clause 4.7, “Control and Protection System Interaction,” and for IEEE Std 603-1991 are Clause 5.6.3, “Independence Between Safety Systems and Other Systems,” and Clause 6.3, “Interaction Between the Sense and Command Features and Other Systems.” 17. GDC 1, “Quality Standards and Records.” 18. GDC 13, “Instrumentation and Control.” 19. GDC 19, “Control Room.” 20. GDC 24, “Separation of