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:
mpling Systems3 Reactor Auxiliary Cooling Water Systems (e.g., Component Cooling Water and Essential Chilled WaterSystems)2 Reactor Coolant System Refueling Water Storage System2 Residual Heat Removal System Spent Fuel Pool Cooling and Cleanup System2,4 Station Service Water System2 Steam Generator Blowdown System3 Ultimate Heat Sink and Supporting Systems6 Ventilation Systems for Areas such as Control Room and Engineered Safety Features Rooms6 3.2.2-7 Revision 2 - March 2007 FLUID SYSTEMS IMPORTANT TO SAFETY FOR BWR PLANTS Combustible Gas Control System6 Compressed Air System1,2,6 Condensate Storage System2 Control Rod Drive Hydraulic System2 Containment Cooling System Containment Isolation System6 Emergency Core Cooling Systems Emergency Diesel Engine Fuel Oil Storage and Transfer System6 Emergency Diesel Engine Cooling Water System Emergency Diesel Engine Starting System Emergency Diesel Engine Lubrication System Emergency Diesel Engine Combustion Air Intake and Exhaust System Equipment and Floor Drainage System2,6 Feedwater System (up to outermost containment isolation valve or shutoff valve, as applicable) Fuel Pool Cooling and Cleanup System2,4 Main Steam System (up to but not including the turbine) Main Steam Isolation Valve Leakage Control System6 Nuclear Boiler System Process and Post-Accident Sampling Systems3 Reactor Auxiliary Cooling Water Systems (e.g., Essential Cooling Water and Chilled Water Systems)2 Reactor Core Isolation Cooling System Reactor Recirculation System Reactor Water Cleanup System Relief Valve Discharge Piping5 Residual Heat Removal (RHR) System RHR Service Water System Standby Gas Treatment System6 Standby Liquid Control System Station Service Water System2 Ultimate Heat Sink and Supporting Systems6 Ventilation Systems for Areas such as Control Room and Engineered Safety Features Rooms6 1 For some plants this system may be non-safety-related, providing it is quality group classified consistent with the positions of RG 1.26. 2 Portions