Document: NUREG-0800
Document ID: d51db4b1-0b68-4e27-8107-a41ccdbd671a
Document Type: srp
Title: ASME CODE CLASS 1, 2, AND 3 COMPONENTS, COMPONENT SUPPORTS,
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070337.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.9.3
CFR Part: 
CFR Title: 

Content:
scribed in this SRP section, its Appendix A, and Section III, Division 1, subsection NF of the Code. Stress limits and loading combinations are specified in these documents that are appropriate to the conditions that can be expected during the life of the plant. SRP Section 3.9.3 also provides guidance for the staff's review of interfacing issues such as design specifications, mechanical properties, and testing, as appropriate. SRP Section 3.9.3 provides related guidance on component supports as well as the installation of pressure relief devices. The guidance cites the provisions of the ASME B&PV Code to compute stresses and stress limits. This guidance is designed to be in compliance with GDC 1. Meeting the requirements of GDC 1 provides assurance that components and structures important to safety are capable of performing their intended functions.68 (3) Compliance with GDC 2 requires that components and structures important to safety be designed to withstand the effects of expected natural phenomena combined with the appropriate effects of normal and accident conditions, without loss of capability to perform their safety functions. SRP Section 3.9.3 provides guidance for the staff's review of loading combinations, stresses and stress limits for the subject components and structures which are important to safety. These loading combinations include consideration of the effects of expected natural phenomena combined with the appropriate effects of normal and accident conditions. The stresses and stress limits (computed in accordance with the ASME 3.9.3-11 DRAFT Rev. 2 - April 1996 B&PV Code) are evaluated to be acceptable to the staff to ensure that equipment is designed to withstand these conditions without loss of capability to perform their intended functions. This guidance is designed to be in compliance with GDC 2. Meeting the requirements of GDC 2 provides assurance that components and structures important to safety are capable of performing their intended