Document: NRC Regulatory Guide
Document ID: 5da93dc4-caee-45c8-a0e0-6f7b803c23cd
Document Type: regulatory_guide
Title: Dedication of Commercial-Grade Items for Use in Nuclear Power Plants (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2318/ML23187A531.pdf
Revision Date: 2023-11
Chapter: 
Section ID: RG-1.164
CFR Part: 
CFR Title: 

Content:
ion 6.6, Appendix B, “Technical Evaluation Process Overview,” and Appendix I contain guidance on documenting an adequate technical justification. 2. Section 14.1, “Digital Equipment and Computer Programs Integral to Plant SSCs,” of EPRI 3002002982, Revision 1 to EPRI NP-5652 and TR-102260, lists six EPRI guidance documents for accepting digital devices. The NRC has only reviewed TR-106439, “Guideline on Evaluation and Acceptance of Commercial-Grade Digital Equipment for Nuclear Safety Applications,” (Ref. 19) and TR-107330, “Generic Requirements Specification for Qualifying a Commercially Available PLC for Safety-Related Applications in Nuclear Power Plants,” (Ref. 20) in letters dated July 17, 1997 (Ref. 21), and July 30, 1998, (Ref. 22), respectively. The NRC has approved several licensing actions which make use of TR-106439 and TR-107330, including in the Waterford Steam Electric Station, Unit 3 Core Protection Calculator and Control Element Assembly Calculator System (ADAMS Accession No. ML21131A243) and the APR1400 Design Certification (ADAMS Accession No. ML18215A241). The NRC has not reviewed or approved the following four guidance documents referenced in EPRI 3002002982: EPRI 1025283, “Commercial-Grade Digital Equipment for High-Integrity Applications: Oversight and Review of Evaluation and Acceptance Activities,” dated August 28, 2013, (Ref. 23); EPRI TR-107339, “Evaluating Commercial Digital Equipment for High-Integrity Applications: A Supplement to EPRI Report TR-106439,” issued December 1997 (Ref. 24); EPRI 1011710, “Handbook for Evaluating Critical Digital Equipment and Systems,” dated November 28, 2005, (Ref. 25); and EPRI TR-103291, “Handbook for Verification and Validation of Digital Systems,” dated December 15, 1998, (Ref. 26), as an acceptable approach for meeting an NRC requirement. 3. EPRI 3002002982, Revision 1 to EPRI NP-5652 and TR-102260 reference counterfeit and fraudulently marked products and state that