Document: NUREG-0800
Document ID: c3ba2b86-3805-4144-9775-cd35b7bffe2d
Document Type: srp
Title: SYSTEM QUALITY GROUP CLASSIFICATION
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1608/ML16084A884.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.2.2
CFR Part: 
CFR Title: 

Content:
level of quality and safety would be achieved. 3.2.2-17 Revision 3 – July 2016 Appendix A: Additional Guidance for Classification of Systems and Components and Application of Quality Standards This appendix summarizes guidance supplemental to the guidance provided in Regulatory Guide (RG) 1.26 for the quality group classification of components of fluid systems important to safety. The following references are listed in abbreviated format in the right-hand column of the table below. 1. ASME BPV Code, Section III, “Nuclear Power Plant Components,” and Section XI, “Rules for Inservice Inspection of Nuclear Power Plant Components,” American Society of Mechanical Engineers. 2. BTP 6-3, “Determination of Bypass Leakage Paths in Dual Containment Plants.” 3. RG 1.7, “Control of Combustible Gas Concentrations in Containment Following a Loss- of-Coolant-Accident.” 4. RG 1.11, “Instrument Lines Penetrating Primary Reactor Containment.” 5. RG 1.26, “Quality Group Classifications and Standards for Water-, Steam-, and Radioactive-Waste-Containing Components of Nuclear Power Plants.” 6. RG 1.72, “Spray Pond Piping Made from Fiberglass- Reinforced Thermosetting Resin.” 7. RG 1.96, “Design of Main Steam Isolation Valve Leakage Control Systems for Boiling Water Reactor Nuclear Power Plants.” 8. RG 1.137, “Fuel Oil Systems for Standby Diesel Generators.” 9. RG 1.141, “Containment Isolation Provisions for Fluid Systems.” 10. RG 1.143, “Design Guidance for Radioactive Waste Management Systems, Structures, and Components Installed in Light-Water-Cooled Nuclear Power Plants.” 11. RG 1.151, “Instrument Sensing Lines.” 12. U.S. Nuclear Regulatory Commission (NRC) Letter to All Pressurized Water Reactor Licensees and Construction Permit Holders, “Resolution of Generic Issue 70, ‘Power- Operated Relief-Valve and Block Valve Reliability,’ and Generic Issue 94, ‘Additional Low-Temperature Overpressure Protection for Light-Water