Document: NUREG-0800
Document ID: 22884f18-189e-46a8-81b2-45db11edf145
Document Type: srp
Title: SYSTEM QUALITY GROUP CLASSIFICATION
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1422/ML14227A641.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.2.2
CFR Part: 
CFR Title: 

Content:
lear Power Plant Componentsc, d ASME BPV Code, Section III, Division 1, Subsection ND: Class 3, Nuclear Power Plant Componentsc, d ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 Piping Class 1 (NB) Class 2 (NC) Class 3 (ND) ANSI B31.1 Power Piping Pumps Class 1 (NB) Class 2 (NC) Class 3 (ND) Manufacturer’s standards Valves Class 1 (NB) Class 2 (NC) Class 3 (ND) ANSI B31.1 Power Piping and ANSI B16.34 Atmospheric Storage Tanks Not applicable Class 2 (NC) Class 3 (ND) API-650, AWWA D100, or ANSI B96.1 0-15 psig Storage Tanks Not applicable Class 2 (NC) Class 3 (ND) API-620 Supports Subsection NF provisions for Class 1 supports Subsection NF provisions for Class 2 supports Subsection NF provisions for Class 2 supports Manufacturers standards Metal Containment Components Not applicable Subsection NE provisions for Class MC components Not applicable Not applicable Core Support Structures Not applicable Subsection NG provisions for Class CS components Not applicable Not applicable NOTES: a As defined in Sub-subarticle NCA-1110 of Section III, of the ASME BPV Code, construction is an all-inclusive term comprising materials, design, fabrication, examination, testing, inspection, and certification necessary in the manufacture and installation of components. b As defined in RG 1.26, the NRC Quality Classification System identifies, on a functional basis, components of fluid systems by Quality Groups A, B, C, and D. c 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. d The specific applicability of ASME Code Cases is covered separately in SRP Section 5.2.1.2, RGs 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 RGs should receive approval from the Commission before their use and should demonstrate that an acceptable level of quality and safety would be achieved. 3.2.2-16 Draft