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From page 1...
... 1 S U M M A R Y This report provides guidance to the owners and agencies, law enforcement agencies, first responders, designers, and vendors in reference to emergency tunnel ventilation. It can also be used by state departments of transportation (DOTs)
From page 2...
... 2ducts and a system capable of localizing hot gases and smoke and extracting them at the fire location using exhaust high temperature rated ventilation fans. The document provides a roadmap for selecting a tunnel ventilation system and types of tunnel ventilation fans.
From page 3...
... 3 • Firefighters can approach the fire as safely as possible (in protected environment) and safely escape as needed; • Fire cannot grow excessively before firefighting work can start.

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