Document: NUREG-0800
Document ID: 699a9305-58fa-49b3-a98b-91c32f0e0a00
Document Type: srp
Title: INSERVICE INSPECTION OF CLASS 2 AND 3 COMPONENTS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052350276.pdf
Revision Date: 2023-06
Chapter: 6
Section ID: 6.6
CFR Part: 
CFR Title: 

Content:
's layout and design of these systems. 3. Examination Categories and Methods The required examination categories and methods included in IWC-2000 and IWD-2000 of Section XI are reviewed. 4. Inspection Intervals The required examinations and inspections listed in the SAR are reviewed and compared to the requirements in IWC-2000 and IWD-2000 of Section XI to verify that they will be performed within the designated inspection interval. 5. Evaluation of Examination Results The information concerning repair procedures is reviewed for compliance with Articles IWC-4000 and IWD-4000 of Section XI. The information concerning evaluation of examination results is reviewed for compliance with IWC-3000 and IWD-3000 of the Code. If these requirements are in course of preparation in the applicable Code edition for a program, suitable alternative provisions, such as the requirements in IWB-3000 or those in later approved editions of the Code, should be proposed by the applicant or licensee. 6. System Pressure Tests The pressure test program is reviewed for compliance with Articles IWC-5000 and IWD-5000 of Section XI to establish that leakage and signs of structural distress are inspected for on a periodic basis. 7. Augmented ISI to Protect Against Postulated Piping Failures The augmented inservice inspection program as specified in SRP Section 3.6.1 to provide assurance against postulated piping failures of high-energy fluid systems between containment isolation valves is reviewed. 8. Code Exemptions The ASME Section XI Code exemptions as permitted by IWC-1220 are reviewed. 6.6-2 Rev. 1 - July 1981 9. Relief Requests Requests for relief from the ASME Code Section XI examination requirements which are found to be impractical due to the limitations of design, geometry, or materials of construction of components are evaluated in accordance with Section 50.55a of 10 CFR Part 50. II. ACCEPTANCE CRITERIA The requirements for periodic inspection and testing of Class 2 and 3 systems in