Document: NUREG-0800
Document ID: 8238d583-b5fc-4a78-9cf3-4407f130bbbd
Document Type: srp
Title: SYSTEM QUALITY GROUP CLASSIFICATION
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0631/ML063190003.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.2.2
CFR Part: 
CFR Title: 

Content:
except Subsection NE, Class MC As above except Subsection NG ASME Boiler and Pressure Vessel Code, Section III, Division 1, Subsection ND -Class 3, Nuclear Power Plant Components 3,4 As above As above As above As above As above As above except Subsection NF Not applicable Not applicable ASME Boiler and Pressure Vessel Code, Section VIII, Division 1. ANSI B31.1 Power Piping Manufacturers standards. ANSI B31.1 Power Piping and ANSI B16.34 API-650, AWWA D100, or ANSI B96.1 API-620 Manufacturers standards Not applicable Not applicable NOTES: 1 As defined in Sub-subarticle NCA-1110 of Section III, of the ASME Boiler and Pressure Vessel Code, construction is an all-inclusive term comprising materials, design, fabrication, examination, testing, inspection, and certification necessary in the manufacture and installation of components. 2 As defined in Regulatory Guide 1.26, the NRC Quality Classification System identifies, on a functional basis, components of fluid systems by Quality Groups A, B, C, and D. 3 See Section 50.55a, "Codes and Standards," of 10 CFR Part 50 for requirements with regard to the Code Edition and Addenda to be applied. 4 The specific applicability of ASME Code Cases is covered separately in SRP Section 5.2.1.2, Regulatory Guides 1.84 and 1.85, or in Commission regulations, where appropriate. Applicants proposing the use of ASME Code Cases not covered by these SRP and Regulatory Guides should receive approval from the Commission prior to their use and should demonstrate that an acceptable level of quality and safety would be achieved. 3.2.2-13 Revision 2 - March 2007 APPPENDIX A Additional Guidance for Classification of Systems and Components and Application of Quality Standards This appendix summarizes guidance supplemental to the guidance provided in RG 1.26 for the quality group classification of components of fluid systems important to safety. REFERENCES 1. Regulatory Guide 1.7, "Control of Combustible Gas Concentrations in Containment Following a