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:
f 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 General Design Criteria 36, 37, 39, 40, 42, 43, 45, and 46 are specified in part in 10 CFR Part 50, Section 50.55a, "Codes and Standards," and detailed in Section XI of the ASME Code. Compliance with the preservice and inservice examinations of 10 CFR Part 50, Section 50.55a, as detailed in Section XI of the Code, constitutes an acceptable basis for satisfying in part the require- ments of General Design Criteria 36, 37, 39, 40, 42, 43, 45, and 46. Specific acceptance criteria for meeting the ISI requirements of these General Design Criteria and 10 CFR Part 50, Section 50.55a for the areas of review described in subsection I of this SRP section are as follows: 1. Components Subject to Inspection Tht applicant's or licensee's definition of Code Class 2 and 3 components and systems subject to an ISI program is acceptable if it is in agreement with the definitions of Code Section III, Article NA-2000. The inter- pretation of code classifications by the applicant or licensee is subject to review by the Mechanical Engineering Branch in SRP Section 3.2.2 for compliance with safety criteria pertaining to component classification. (Refer to NA-2000 of Section III.) 2. Accessibility The design and arrangement of Class 2 and 3 systems are acceptable if the applicant or licensee includes allowances for adequate clearances to conduct the examinations specified in IWC-2000 and IWD-2000 at the frequency specified. Special design considerations are given to those systems that are intended to be examined during normal reactor operation. 3. Examination Categories and Methods The examination categories and requirements specified in the SAR are acceptable if in agreement with the criteria of IWC-2000 and IWD-2000 of the Code. Every area subject to examination should fall within one or