Abstract
Tri-Met is building an extension of its MAX Light Rail System in Portland, Oregon. The extension includes a tunnel 4.8 km (3 mi) long with an underground station under the Washington Park Zoo. Washington Park station will be the deepest underground light rail station in North America when it opens for service in September 1998. A fire or other incident in the tunnel or platform area can have serious consequences for passengers waiting for trains on the platform and for those on the trains. Fire and life safety systems will play a significant role in ensuring the safety of all passengers. The systems are required to detect and control the incident, notify passengers when there is an incident in the tunnel or platform area, and provide safe egress of passengers. The fire and life safety systems that have been designed for Washington Park station and the decisions that became the basis for the design of the systems are discussed.
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