Passengers react Monday afternoon as smoke fills a Metro train in a tunnel outside L’Enfant Plaza Metro station. Photo: Saleh Damiger, The Washington Post.
One woman died, and 84 people were taken to hospitals, after smoke filled the L'Enfant Plaza metro station in Washington, DC, on Monday afternoon. According to a report on CNN.com, the National Transportation and Safety Board says an electrical arcing event sparked the incident.
"There was an electrical arcing event involving the trackside power cables (the third rail)," said a statement from the NTSB's Peter Knudson.
A six-car Yellow line train was southbound from L'Enfant station when sparks were noticed about 1,100 feet in front of the train as the tunnel filed with smoke.
FREE ACCESS TO RELATED NFPA DOCUMENTS
- NFPA 130, Standard for Fixed Guideway Transit and Passenger Rail Systems, specifies fire protection and life safety requirements for underground, surface, and elevated fixed guideway transit and passenger rail systems.
- NFPA 92, Standard for Smoke Control Systems, protects life and reduces property loss by establishing requirements for the design, installation, and testing of smoke control systems used to mitigate the impact of smoke from fire.
- NFPA 1620, Standard for Pre-Incident Planning, provides criteria for developing pre-incident plans to help responders effectively manage emergencies so as to maximize protection for occupants, responding personnel, property, and the environment.
From NFPA Journal®, July/August 2010
Designing smoke control for a pair of new AeroTrain stations at Washington Dulles International Airport meant using different approaches to achieve the same end: allowing passengers to evacuate as quickly and as safely as possible.
The new AeroTrain transit system is a critical part of the upgrades underway at Washington Dulles International Airport. The system, which began operation in February, connects current and future concourses via an underground tunnel system, and it was important to design the system in a way that provided not only swift and efficient movement of passengers, but also maximized the protection of passengers and first responders in the event of an emergency. Read the full article by Karl Decker.