Document: NUREG-0800
Document ID: a2f24e8d-bc9b-4cc9-91c8-556b80541349
Document Type: srp
Title: SPECIAL TOPICS FOR MECHANICAL COMPONENTS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0704/ML070430402.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.9.1
CFR Part: 
CFR Title: 

Content:
ences. GDC 14 and GDC 15 apply to this review because SSCs important to safety are exposed to postulated transients anticipated during the design life of the plant. If SSCs are to perform their design functions there must be adequate assurance that mechanical components will remain functional under all postulated combinations of normal operating conditions, anticipated operational occurrences, postulated pipe breaks, and seismic events. 3.9.1-7 Revision 3 - March 2007 Compliance with the requirements of GDC 14 and GDC 15 provides reasonable assurance that the design transients and consequent loads and load combinations (with the appropriate specific design and service limits for ASME Code Class 1 and core support components, supports, and reactor internals form a complete basis for the design of the reactor coolant pressure boundary for all anticipated conditions and extremely low-probability events expected during the service life of the plant. III. REVIEW PROCEDURES The reviewer will select material from the procedures described below, as may be appropriate for a particular case. These review procedures are based on the identified SRP acceptance criteria. For deviations from these acceptance criteria, the staff should review the applicant’s evaluation of how the proposed alternatives provide an acceptable method of complying with the relevant NRC requirements identified in Subsection II. 1. The list of transients, the number of events estimated for each transient presented in the applicant's SAR, and the method for determining this number are compared to the same information on similar and previously licensed applications and to the acceptance criteria outlined in subsection II of this SRP section. Any deviations from previous accepted practice are noted and the applicant should justify them. For Code Class 1 and core support components and supports, the reviewer verifies whether for each transient loading condition or combination an acceptable Code service