Document: NUREG-0800
Document ID: 644c1fee-247e-4265-9466-5876937a7120
Document Type: srp
Title: INFORMATION SYSTEMS IMPORTANT TO SAFETY
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0705/ML070550086.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.5
CFR Part: 
CFR Title: 

Content:
DC 4, “Environmental and Missile Design Basis” (applicable to channels classified as Category 1 or 2 in Regulatory. Guide 1.97, Revisions 2 or 3, or as Type A, B, C, or D in Regulatory Guide 1.97, Revision 4). 7. GDC 13, “Instrumentation and Control.” 8. GDC 19, “Control Room.” 9. GDC 24, “Separation of Protection and Control Systems.” Requirements applicable to bypassed and inoperable status indication 10. 10 CFR 50.55a(a)(1), “Quality Standards.” 11. 10 CFR 50.55a(h), “Protection and Safety Systems,” 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/licensee may elect to comply instead with their plant licensing basis. For nuclear power plants with construction permits issued between January 1, 1971, and May 13, 1999, the applicant/licensee may elect to comply instead with the requirements stated in IEEE Std. 279-1971. For BISI, the applicable requirements 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; For Part 50 applicants not listed in 10 CFR 50.54(b), the applicable provisions of 10 CFR 50.34(b) will be made a requirement during the licensing process. 7.5-5 Revision 5 - March 2007 13. GDC 1, “Quality Standards and Records.” 14. GDC 24, “Separation of Protection and Control Systems.”