Document: NUREG-0800
Document ID: 988a555f-fdfa-4452-829d-c06654bfbba5
Document Type: srp
Title: Initial Plant Test Program - Design Certification and New License Applicants
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0706/ML070660618.pdf
Revision Date: 2023-06
Chapter: 14
Section ID: 14.2
CFR Part: 
CFR Title: 

Content:
elated function open, close, or both open and also close under system pressure, fluid flow, and temperature conditions. CHECK VALVES 10. Tests of installed valves for opening, closing, or both opening and also closing, will be conducted under system preoperational pressure, fluid flow, and temperature conditions. 10. Based on the direction of the differential pressure across the valve, each CV opens, closes, or both opens and also closes, depending upon the valve's safety functions. 11. In the System, independence is provided between Class 1E Divisions, and between Class 1E Divisions and non- Class 1E equipment. INDEPENDENCE FOR ELECTRICAL AND I&C SYSTEMS 11.1. Tests will be performed on the System by providing a test signal in only one Class 1E Division at a time. 11.2. Inspection of the as-installed Class 1E Divisions in the System will be performed. 11.1. The test signal exists only in the Class 1E Division under test in the System. 11.2. In the System, physical separation or electrical isolation exists between these Class 1E Divisions. Physical separation or electrical isolation exists between Class 1E Divisions and non-Class 1E equipment.