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:
amination to equivalent standards may be used as an alternate to radiographic methods. Examination procedures and acceptance standards shall be at least equivalent to those defined in Paragraph 136.4, "Examination Methods of Welds - Non-Boiler External Piping," ANSI B31.1-1973.138 (3) The following qualifications shall be met with respect to the certification requirements: 1a. The manufacturer of the turbine stop valves, turbine control valves, turbine 139 bypass valves, and main steam leads from turbine control valves to the turbine casing shall utilize quality control procedures equivalent to those defined in General Electric Publication GEZ-4982A, "General Electric Large Steam Turbine-Generator Quality Control Program." 2b. A certification shall be obtained from the manufacturer of these valves and steam leads that the quality control program so defined has been accomplished. DRAFT Rev. 2 - April 1996 3.2.2-22 3.2.2-23 DRAFT Rev. 2 - April 1996 Appendix C PWR Plants Additional Guidance for Classification of Systems and Components and Application of Quality Standards140 In Course of Preparation Classification of Structures In Course of Preparation141 This appendix summarizes guidance supplemental to the guidance provided in Regulatory Guide 1.26 for the quality group classification of components of fluid systems important to safety.142 REFERENCES 1. Regulatory Guide 1.7, "Control of Combustible Gas Concentrations in Containment Following a Loss-of-Coolant-Accident."143 2. Regulatory Guide 1.11, "Instrument Lines Penetrating Primary Reactor Containment."144 3. Regulatory Guide 1.26, "Quality Group Classification and Standards for Water-, Steam-, and Radioactive-Waste-Containing Components of Nuclear Power Plants."145 4. Regulatory Guide 1.72, "Spray Pond Piping Made from Fiberglass- Reinforced Thermosetting Resin."146 5. Regulatory Guide 1.96, "Design of Main Steam Isolation Valve Leakage Control Systems for Boiling Water Reactor Nuclear Power Plants."147 6.