Document: NUREG-0800
Document ID: 6237521d-c825-4ed6-8fb7-7b3b8019a3fc
Document Type: srp
Title: SYSTEM QUALITY GROUP CLASSIFICATION
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070297.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.2.2
CFR Part: 
CFR Title: 

Content:
y Cooling Water Systems (e.g., Component Cooling Water and Essential Chilled Water Systems) 2 41 Reactor Coolant System Refueling Water Storage System 2 42 Residual Heat Removal System Spent Fuel Pool Cooling and Cleanup System 2,4 43 Station Service Water System 2 44 DRAFT Rev. 2 - April 1996 3.2.2-6 Steam Generator Blowdown System3 Ultimate Heat Sink and Supporting Systems 6 45 Ventilation Systems for Areas such as Control Room and Engineered Safety Features Rooms 6 46 47 FLUID SYSTEMS IMPORTANT TO SAFETY FOR BWR PLANTS48 Combustible Gas Control System 6 49 Compressed Air System 1,2,6 50 Condensate and Refueling Water Storage System 2 51 Control Rod Drive Hydraulic System2 Containment Cooling System Containment Isolation System 6 52 High Pressure Core Spray System Low Pressure Core Spray System Emergency Core Cooling Systems53 Emergency Diesel Engine Fuel Oil Storage and Transfer System 6 54 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 System 2,6 55 Feedwater System (up to outermost containment isolation valve or shutoff valve, as applicable) Fuel Pool Cooling and Cleanup System 2,4 56 Main Steam System (up to but not including the turbine) Main Steam Isolation Valve Leakage Control System 6 57 Nuclear Boiler System58 Process and Post-Accident Sampling Systems 3 59 Reactor Auxiliary Cooling Water Systems (e.g., Essential Cooling Water and Chilled Water Systems) 2 60 Reactor Core Isolation Cooling System Reactor Recirculation System Reactor Water Cleanup System Relief Valve Discharge Piping 5 61 Residual Heat Removal (RHR) System62 RHR Service Water System Standby Gas Treatment System 6 63 Standby Liquid Control System Station Service Water System Emergency Equipment Service Water System 2 64 Ultimate Heat Sink and Supporting Systems 6 65 Ventilation Systems for Areas such as Control Room