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:
3.2.2-11 Revision 2 - March 2007 15. Regulatory Guide 1.176, “An Approach for Plant-Specific, Risk-Informed Decisionmaking: Graded Quality Assurance.” 16. Regulatory Guide 1.201, “Guidelines for Categorizing Structures, Systems and Components in Nuclear Power Plants, According to their Safety Significance.” 17. 10 CFR 50.69, “Risk-informed categorization and treatment of structures, systems and components for nuclear power reactors.” 18. SRM July 21, 1993, SECY 93-087, "Policy, Technical, and Licensing Issues Pertaining to Evolutionary and Advanced Light Water Reactor (ALWR) Designs," April 4, 1993. 19. Branch Technical Position 3-1, “Classification of Main Steam Components Other than the Reactor Coolant Pressure Boundary for BWR Plants.” 20. Branch Technical Position 3-2, “Classification of BWR/6 Main Steam and Feedwater Components Other than the Reactor Coolant Pressure Boundary.” 3.2.2-12 Revision 2 - March 2007 TABLE 3.2.2-1 SUMMARY OF CONSTRUCTION1 CODES AND STANDARDS FOR COMPONENTS OF WATER-COOLED NUCLEAR POWER PLANTS BY NRC QUALITY CLASSIFICATION SYSTEM2 Components NRC Quality Classification System Quality Group A Quality Group B Quality Group C Quality Group D Pressure Vessels Piping Pumps Valves Atmospheric Storage Tanks 0-15 psig Storage Tanks Supports Metal Containment Components Core Support Structures ASME Boiler and Pressure Vessel Code, Section III, Division 1, Subsection NB -Class 1, Nuclear Power Plant Components 3,4 As above As above As above Not applicable Not applicable As above except Subsection NF Not applicable Not applicable ASME Boiler and Pressure Vessel Code, Section III, Division 1, Subsection NC -Class 2, Nuclear Power Plant Components3,4 As above As above As above As above As above As above except Subsection NF As above 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