Detrainment device
Encyclopedia
A Detrainment device is equipment on a rail vehicle that provides an evacuation route for the passengers. It usually consists of a set of steps or a ramp, located at a doorway, allowing passengers to leave the vehicle in an emergency, vehicle breakdown or accident
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A detrainment device is moved from a stored location into an operational position, usually above the coupler
at the end of a passenger car. A detrainment device may consist of a manually placed, hinged, foldable or telescopic ladder or ramp. A detrainment device may allow evacuation to track level, or to a coupled railcar. A detrainment device may be fitted with handrails.
In other cases, evacuation may be via the vehicle passenger side doors to a trackside walkway in a tunnel, without the use of a detrainment device.
a) Steps, stored loose inside the driver’s cab or the passenger saloon
b) Hinged steps, stored inside the driver’s cab or the passenger saloon
c) Steps, folding, hinging or sliding out from the doorway
d) Ramp, sliding out from below the doorway
e) Ramp, folding out from the doorway
f) Tensioned Fabric ramp, deploying from the doorway
Train wreck
A train wreck or train crash is a type of disaster involving one or more trains. Train wrecks often occur as a result of miscommunication, as when a moving train meets another train on the same track; or an accident, such as when a train wheel jumps off a track in a derailment; or when a boiler...
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A detrainment device is moved from a stored location into an operational position, usually above the coupler
Coupling (railway)
A coupling is a mechanism for connecting rolling stock in a train. The design of the coupler is standard, and is almost as important as the railway gauge, since flexibility and convenience are maximised if all rolling stock can be coupled together.The equipment that connects the couplings to the...
at the end of a passenger car. A detrainment device may consist of a manually placed, hinged, foldable or telescopic ladder or ramp. A detrainment device may allow evacuation to track level, or to a coupled railcar. A detrainment device may be fitted with handrails.
In other cases, evacuation may be via the vehicle passenger side doors to a trackside walkway in a tunnel, without the use of a detrainment device.
Main Types
Examples of the main types of detrainment device currently in service include:a) Steps, stored loose inside the driver’s cab or the passenger saloon
- Historically the most common arrangement
b) Hinged steps, stored inside the driver’s cab or the passenger saloon
- London Underground S-StockLondon Underground S StockThe S Stock is a class of sub-surface train currently being delivered by Bombardier Transportation in Derby to the London Underground to replace 177 existing trains on the Metropolitan, District, Hammersmith & City, and Circle lines, with a new fleet of standardised car design, totalling 191 trains...
c) Steps, folding, hinging or sliding out from the doorway
- London UndergroundLondon UndergroundThe London Underground is a rapid transit system serving a large part of Greater London and some parts of Buckinghamshire, Hertfordshire and Essex in England...
refurbished 1973 Tube Stock - London Underground 1996 Tube Stock
- BombardierBombardier TransportationBombardier Transportation is the rail equipment division of the Canadian firm, Bombardier Inc. Bombardier Transportation is one of the world's largest companies in the rail-equipment manufacturing and servicing industry. Its headquarters are in Berlin, Germany....
Class 378 Capitalstar
d) Ramp, sliding out from below the doorway
- London Underground Central LineCentral LineThe Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...
1992 stock
e) Ramp, folding out from the doorway
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f) Tensioned Fabric ramp, deploying from the doorway
- MTR Corporation Airport Express A-Stock EMUMTR A-Stock EMUThe A-Stock is an Electric Multiple Unit that operates on the MTR rapid transit railway system in Hong Kong. There are two variants, one used on the conventional Tung Chung Line, and a more luxurious version used on the Airport Express. The vehicle interiors were designed for MTR by Jones...
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