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Categorical Exclusion Determination
Office of NEPA Policy and Compliance
December 21, 2016
Estimated Read Time min
Install a 3-hour fire-rated, seismically qualified, dynamic fire damper in the exhaust air ducting; modify the existing ducting at firewall penetrations to satisfy code/standard requirements, and install 4-hour fire-rated penetration seals on conduit/pipe passing through the east wall.
