Document: NUREG-0800
Document ID: 5cd0267e-b1ef-4ddb-8204-aac45ea7ac13
Document Type: srp
Title: 2.
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070301.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.5.1.4.5
CFR Part: 
CFR Title: 

Content:
postulated structural failure, collapse, or generation of missiles from structures and components not designed for tornado loads. Technical Rationale22 The technical rationale for application of these acceptance criteria for reviewing compliance with GDC 2 is discussed in the following paragraphs: Compliance with GDC 2 requires that nuclear power plant structures, systems, and components important to safety be designed to withstand the effects of natural phenomena such as earthquakes, tornadoes, hurricanes, floods, tsunami, and seiches without loss of capability to perform their intended safety functions. The acceptance criteria outlined above include references to proven industry standards and data for evaluating tornado loading on structures. These standards and data have been reviewed by the staff and found to be acceptable. Meeting the requirements of GDC 2 provides assurance that structures, systems, and components important to safety and subject to tornado loading will be designed to withstand the most severe tornado loads likely to occur without loss of capability to perform their intended safety functions.23 III. REVIEW PROCEDURES The reviewer selects and emphasizes material from the review procedures described below, as may be appropriate for a particular case. 1. The site-related parameters described in subsection I.1.Review Interfaces, subsection I.A, are reviewed by the Accident Evaluation Branch (AEB)PERB in 24 25 accordance with SRP Sections 2.3.1, 2.3.2, and 3.5.1.4.2.3.1 and 2.3.2. The spectrum and characteristics of tornado missiles (and venting pressure loads, if applicable), as described in subsections I.B and I.C, are reviewed by SPLB in accordance with SRP Section 3.5.1.4. The structural reviewer examines the approved values offorces 26 and loads derived by the applicant from these parameters to assureensure that they are 27 28 consistent with those contained in the SRP sections stated above.29 2. After the acceptability of the site-related