Draft Regulatory Guide: Criteria for Programmable Digital Devices in Safety-Related Systems of Nuclear Power Plants

Quality requirements (TBT); Protection of human health or safety (TBT); Protection of the environment (TBT)

Programmable digital devices in safety-related systems of nuclear power plants; Quality (ICS code(s): 03.120); Nuclear power plants. Safety (ICS code(s): 27.120.20); IT applications in other fields (ICS code(s): 35.240.99)

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03.120 - Quality; 03.120 - Quality; 27.120.20 - Nuclear power plants. Safety; 27.120.20 - Nuclear power plants. Safety; 35.240.99 - IT applications in other fields; 35.240.99 - IT applications in other fields

TITLE: Regulatory Guide: Criteria for Programmable Digital Devices in Safety-Related Systems of Nuclear Power PlantsAGENCY: Nuclear Regulatory CommissionACTION: Final guide; issuanceSUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 4 to Regulatory Guide (RG), 1.152,, "Criteria for Programmable Digital Devices in Safety-Related Systems of Nuclear Power Plants." This RG describes an approach that is acceptable to the staff of the NRC to meet regulatory requirements for promoting high functional reliability, design quality, and a secure development and operational environment (SDOE) for the use of programmable digital devices (PDDs) in the safety-related systems of nuclear power generating stations.DATES: Revision 4 to RG 1.152 is available on 25 July 2023.This final guide; issuance and the proposed guide; request for comment notified as G/TBT/N/USA/1972 are identified by Docket Number NRC-2022-0143. The Docket Folder is available on Regulations.gov at https://www.regulations.gov/docket/NRC-2022-0143/document and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number. 

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