Fire Protection

Video smoke detection

Fire-safety in tunnels has always posed special challenges to planners and tunnel operators. Depending on the length of the tunnel section, it is, as in so many cases, not the flames themselves which present the greatest danger in case of fire, but rather the in most instances lethal fumes and smoke which are generated within seconds, obscure escape routes from the victims‘ view, and can kill within minutes. Experience shows that the majority of fire fatalities fall victim not, at least initially, to the fire itself, but to the smoke.

Many tunnels in Germany are now video-monitored. Of itself,...

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