Document: NUREG-0800
Document ID: 159cf729-f983-4b84-a109-82ef8efdeb60
Document Type: srp
Title: COMMUNICATIONS SYSTEMS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0705/ML070550037.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.5.2
CFR Part: 
CFR Title: 

Content:
ications, the review should involve the following activities: A. Verify that effective communication will not be impeded by transmission through barriers, high-noise areas, personnel use of protective equipment, inadequate number of communication channels, interference between channels or subsystems, or interference from other electronic or electrical equipment. B. Verify that coverage of wireless communications capability is adequate to support needed communications with plant and offsite personnel. C. Verify that the number and location of hardwired communication sets are adequate to support communications with plant and offsite personnel. D. Verify that the features to alert personnel in high-noise environments to use the communication systems are adequate. E. Verify that system equipment required to mitigate the consequences of a specific design-basis event (e.g., natural phenomena, violent external attack) is independent of, and physically separated from, the effects of the design-basis event (e.g., fire suppression actuation, loss of offsite power) to the degree necessary to retain the required communications capability. F. Verify that functional testing is planned under conditions that simulate the maximum plant noise levels generated during the various operating conditions, including fire and accident conditions, to demonstrate system capabilities. G. Verify that the communications equipment, including offsite equipment, will remain operable in the event of loss of primary power and that secondary power supplies for nonportable equipment are located within vital areas. H. Verify that communications systems and equipment have been evaluated to determine their applicability, adequacy, and sufficiency to assure a quality product in keeping with the required functions. Communication systems will typically be composed of commercial equipment. Therefore, the equipment should be appropriately qualified commensurate with the safety performance of the equipment