Document: NRC Regulatory Guide
Document ID: 65325e1a-3033-4f91-a5fa-fcd1286b72ec
Document Type: regulatory_guide
Title: Dedication of Commercial-Grade Digital I&C Items for Use in Nuclear power Plants
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2200/ML22003A180.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.250
CFR Part: 
CFR Title: 

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and Budget (OMB), under control numbers 3150-0035, 3150-0011, and 3150-0151, respectively. Send comments regarding this information collection to the FOIA, Library, and Information Collections Branch (T6-A10M), U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001, or by e-mail to Infocollects.Resource@nrc.gov, and to the Desk Officer, Office of Information and Regulatory Affairs, NEOB-10202 (3150-0035, 3150-0011, and 3150-0151), Office of Management and Budget, Washington, DC, 20503. Public Protection Notification The NRC may not conduct or sponsor, and a person is not required to respond to, a collection of information unless the document requesting or requiring the collection displays a currently valid OMB control number. DG-1402, Page 4 B. DISCUSSION Reason for Issuance The NRC staff is issuing a new RG to endorse NEI 17-06, which provides supplemental guidance on an approach for licensees and applicants to determine acceptability of the dependability critical characteristics of digital equipment during the dedicating process pursuant to 10 CFR Part 21. NEI 17-06 leverages the internationally recognized safety integrity level (SIL) certification process in International Electrotechnical Commission (IEC) 61508, “Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems,” Edition 2.0, issued April 2010 (Ref. 8). Before this RG, there was no guidance available for accepting a third-party certification to support verifying critical characteristics of digital equipment. Industry sought guidance that would allow such a method to support verifying a digital I&C item’s dependability critical characteristics based on an accredited certification of compliance with an IEC 61508 SIL. Background The process of dedication of commercial-grade equipment for use in safety-related applications may be applied to nuclear power plants. Dedication is an acceptance process to provide reasonable assurance that a commercial-grade item will