Document: NUREG-0800
Document ID: d563bf0f-7b24-4ff5-99a2-4f822eb86bd9
Document Type: srp
Title: INTERLOCK SYSTEMS IMPORTANT TO SAFETY
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052360612.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.6
CFR Part: 
CFR Title: 

Content:
k systems are identified in SRP Section 7.1. The review of Section 7.1 of the SAR confirms that the appropriate acceptance criteria and guidelines have been identified as applicable for these systems. The review in this section of the SAR con- firms that these systems confolm to the requirements of the acceptance criteria and guidelines. The Branch Technical Positions are used .when a particular design problem and an acceptable solution have been identified. The acceptance criteria applicable for the review of interlock systems are: 1. General Design Criterion 13, "Instrumentation and Control." 2. General Design Criterion 19, "Control Room." In addition to the acceptance criteria indicated above, the interlock systems important to safety are reviewed for conformance to the following acceptance criteria, where applicable, with regards to performance requirements commensurate with the importance of the safety function to be performed. 1. General Design Criterion 2, "Design Bases for Protection Against Natural Phenomena." 2. General Design Criterion 4, "Environmental and Missile Design Bases." The following acceptance criteria are applicable to safety systems with which interlock systems may have an interface. These criteria are used as guidance, where applicable, in establishing the importance to safety for functions performed by interlock systems: 1. General Design Criterion 10, "Reactor Design." 2. General Design Criterion 15,"Reactor Coolant System Design." 3. General Design Criterion 16, "Containment Design." 4. General Design Criterion 28, "Reactivity Limits." 5. General Design Criterion 33, "Reactor Coolant Makeup." 6. General Design Criterion 34, "Residual Heat Removal." 7. General Design Criterion 35, "Emergency Core Cooling." 8. General Design Criterion 38, "Containment Heat Removal." 9. General Design Criterion 41, "Containment Atmosphere Cleanup." 10. General Design Criterion 44, "Cooling Water." 7.6-2 Rev. 2 - July 1981 Regulatory Guides, Branch Technical