Document: NUREG-0800
Document ID: 50c5f9b6-d85c-4012-a8e9-48eaaafff93e
Document Type: srp
Title: CONTROL ROOM AREA VENTILATION SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0705/ML070550045.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.4.1
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CFR Title: 

Content:
regulatory positions in RG(s). B. Providing and meeting an alternative method to regulatory positions in RG _____, reviewed by the staff and found acceptable. C. Using calculational methods for [what was evaluated] that have been previously reviewed by the staff and found acceptable; the staff has reviewed the impact parameters in this case and found them suitably conservative or has performed independent calculations to verify acceptability of their analysis. D. Meeting the provisions of [industry standard number and title] reviewed by the staff and determined to be appropriate for this application. 2. Repeat the discussion for each regulation cited based on the following: A. The CRAVS includes all components and ducting from the intake vents to the exhaust structure. All portions of the system whose failure may result in release of radioactivity which causes an offsite dose of more than 5 mSv (0.5 rem) to the whole body or its equivalent to any part of the body are classified seismic Category I and safety related. B. The applicant meets the requirements of GDC 2, “Design Bases for Protection Against Natural Phenomena,” with respect to system capability to withstand the effects of earthquakes by meeting the guidelines of RG 1.29, “Seismic Design Classification,” Position C.1 for safety-related portions of the system and Position C.2 for nonsafety-related portions of the system. C. The applicant meets the requirements of GDC 4, “Environmental and Dynamic Effects Design Basis,” by appropriately addressing adverse environmental conditions and dynamic effects in the design of the system to ensure its capability for maintaining environmental conditions in the control room within the design limits of equipment important to safety located therein for normal, transient, or accident conditions. D. The applicant meets the requirements of GDC 5, “Sharing of Structures, Systems, and Components,” with respect to capability of shared systems and components