Document: NUREG-0800
Document ID: fce5c014-cdea-4bf2-83f9-535d051f0f3b
Document Type: srp
Title: MISSILES GENERATED BY NATURAL PHENOMENA
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070375.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.5.1.4
CFR Part: 
CFR Title: 

Content:
ff requirements memorandum for SECY 93-087, Memorandum for J.M. Taylor from S.J. Chilk, dated July 21, 1993. 53. Integrated Impact #278. Added a reference to NUREG/CR-4461, "Tornado Climatology of the Contiguous United States," this NUREG/CR documents the studies that set the basis for the new tornado wind speed values used for evolutionary and passive ALWRs. SRP Draft Section 3.5.1.4 Attachment B - Cross Reference of Integrated Impacts 3.5.1.4-15 DRAFT Rev. 3 - April 1996 Integrated Issue SRP Subsections Affected Impact No. 278 Incorporate revised design-basis tornado wind speed Subsection II: Acceptance criteria for new applications. SECY 93-087 and its for new applications was added to associated SRM document the Commission the end of the first paragraph. approved staff positions that a maximum wind speed of 482 km/hr(300 mph) be used for the design-basis Subsection III: Added two new tornado in the design of Evolutionary plants. review procedures (steps 3 and 7). Subsection IV: Added a new Evaluation Findings paragraph (paragraph 5). Subsection V: Added three new references (References 7, 8 and 9). 279 Incorporate use of Regulatory Guide 1.76 concerning Subsection III: Added a review the definition and characterization of the design-basis procedure (step 2) to address the tornado. review of Regulatory Guide 1.76 in regard to the definition and characterization of the design- basis tornado. Subsection IV: Revised the evaluation findings (paragraph 4) to state that the applicants should meet the guidelines of Regulatory Guide 1.76 position C-1 or C-2 not C-1 and C-2. 280 Add a Review Procedure for new applications to Subsection III: Added a review address a method utilizing a combined probability to procedure (step 5) applicable to determine the statistical significance of an identified new applications. missile and evaluating the need to provide missile protection.