Document: NUREG-0800
Document ID: 3a8a905e-fe11-43fd-ba6c-917507daa823
Document Type: srp
Title: COMPLIANCE WITH THE CODES AND STANDARDS RULE, 10 CFR §  50.55a
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070441.pdf
Revision Date: 2023-06
Chapter: 5
Section ID: 5.2.1.1
CFR Part: 
CFR Title: 

Content:
and Quality Group B and C 34 components (as defined in Regulatory Guide 1.26) must meet the requirements of Section III of the ASME Code. The Code imposes specific requirements to ensure that 35 these components will perform acceptably, commensurate with their intended safety function, when designed in accordance with ASME Code provisions. The staff considers these requirements adequate to provide assurance that these components will perform acceptably, commensurate with the importance of their safety function, and will contain radioactive materials.36 III. REVIEW PROCEDURES The table provided by the applicant identifying pressure vessel components, piping, pumps and valves, and the corresponding component Code, Code Edition, applicable Addenda, and, when required, the component order date of each ASME Section III, Class 1 and 2 component within the reactor coolant pressure boundary, 2, and 3 component is checked for compliance with 37 Section 50.55a of 10 CFR Part 5010 CFR 50.55a. The evaluation of the ASME Code Class 38 requirements to be applied for non-RCPB components is based on the acceptable component Quality Group classifications verified under SRP Section 3.2.2. This review is applicable to 39 CP, standard design certification, and OL applications. 40 For those components within the reactor coolant pressure boundary that are not in compliance 41 with the rules of Section10 CFR 50.55a, a review of the Code, Code Addenda, and SAR is 42 performed to identify the specific sections of the Code with which the component does not comply. A decision to accept a component which is not fully in compliance with the rules is based on a judgment of the relative importance of the specific provisions in the Code or Code Addenda not complied with, and a determination that any noncompliance will not result in an unacceptable level of safety and quality.Proposed alternatives to the requirements of 10 CFR 50.55a(c), (d), (e), (f), (g), and (h) may be used when authorized by