Document: NUREG-0800
Document ID: d52a97d0-a519-4817-9ad6-64d94c9518af
Document Type: srp
Title: DATA COMMUNICATION SYSTEMS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1515/ML15159B177.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.9
CFR Part: 
CFR Title: 

Content:
safety features actuation system (ESFAS) (SRP Section 7.3): 1. 10 CFR 50.34(f)(2)(v), regarding automatic indication of bypassed and inoperable status of safety system equipment. 7.9-4 Draft Revision 6 - August 2015 2. 10 CFR 50.55a(h)(2), “Protection Systems.” 3. GDC 2, “Design Basis for Protection against Natural Phenomena.” 4. GDC 4, “Environmental and Dynamic Effects Design Basis.” 5. GDC 13, “Instrumentation and Control.” 6. GDC 21, “Protection System Reliability and Testability.” 7. GDC 22, “Protection System Independence.” 8. GDC 23, “Protection System Failure Modes.” 9. GDC 29, “Protection against Anticipated Operational Occurrences.” Additional requirements applicable to all DCSs that support safe shutdown systems (SRP Section 7.4), information systems important to safety (SRP Section 7.5), or interlock systems important to safety (SRP Section 7.6): 1. 10 CFR 50.55a(h)(3), “Safety Systems,” to the extent that the DCS supports the safety functions of these systems. 2. GDC 4, “Environmental and Dynamic Effects Design Basis.” 3. GDC 13, “Instrumentation and Control.” 4. GDC 19, “Control Room.” Additional requirements applicable to all DCSs that support control system functions (SRP Section 7.7): 1. GDC 13, “Instrumentation and Control.” 2. GDC 19, “Control Room.” Additional requirements applicable to all DCSs that support diverse I&C systems functions (SRP Section 7.8): 1. 10 CFR 50.62, “Requirements for the Reduction of Risk from Anticipated Transients without Scram (ATWS) Events for Light-Water-Cooled Nuclear Power Plants.” 2. GDC 13, “Instrumentation and Control.” 3. GDC 19, “Control Room.” Additional requirements applicable to any DCS proposed for standard DC or COLs under 10 CFR Part 52, “Licenses, Certifications, and Approvals for Nuclear Power Plants”: 1. 10 CFR 52.47(b)(1), which requires that a DC application contain the proposed ITAAC 7.9-5 Draft Revision 6 - August 2015 that