316 Railway Flashcards
Operational procedure Qs
Some lines including London Underground systems have a fourth rail laying between the running rails which carry a return circuit of up to 250V DC
T/F
True
How far away from moving trains must firefighters stay? 3m 4m 5m Depends on type of track.
3m
Where would power rail be located on normal railway track?
Outermost from bank.
What are different types of hazards associated with incidents in tunnels or subsurface stations? (5)
1) Unpredictable and rapid spread of fire and smoke
2) Undetected fire travel in voids and ducts
3) Communication difficulties
4) Restricted access and working conditions
5) long travel distances.
How should approaching train drivers be warned of firefighters working on tracks at night?
Waving a bright light rapidly from side to side.
What re the responsibilities of a lookout deployed to warn crews of rail movements? (3)
1) Position themselves to give crews 30 seconds warning
2) Inform dedicated Safety Officer of their location and distance from the incident, or agree on this before taking up position.
3) Be aware of driverless trains.
What is the role of a Railway Incident Officer?
1) To advice IC with regard to track safety
What is the minimum diameter of delivery hose to be used on a railway arch incident?
45mm
What item of equipment can help you identify location of fire in railway arch?
Thermal imaging camera
A lookout must have what items of equipment? (3)
1) Handlamp
2) Handheld radio
3) Whistle
Whose responsibility is it to place a short circuiting device between the + and - rails to make sure current remains isolated at the scene? (2)
1) Rail operator staff
2) Trained FRU in emergency, when no rail staff present.
What can be found in an LFB plans box at LUL Station? (3)
1) Two sets of station plans
2) A communications status indicator (leaky feeder - channel 5)
3) A key to adjacent intervention points.
Used during incidents, for example, a small smouldering fire that the IC believes may be safely monitored until burnt out?
Inform infrastructure Manager
Used when there is a need to slow train vehicle movements by notifying drivers that there are people on or near the rail infrastructure?
Request rail vehicles are ‘run at caution’
Used when there is a risk of people being injured by vehicle movement?
Request that rail vehicles are stopped.
