Signals - Automatic Train Stops Flashcards
What happens if a train hit an Automatic Train Stop?
- Trains Trip Arm hits the raised ATS, which triggers the trains Emergency Brakes and brings it to a stand
Where are Automatic Train Stops?
- 3 Position Home and Automatic Signals
- Certain 2 Position Home Signals
- Dwarf Signals
What are the 3 types of Train Stops?
- Automatic Train Stops
- Speed Proving Train Stops
- Fixed Train Stops
What are Speed Proving Train Stops?
- A Train Stop at a Home Signal. They time the train to see if it reaches the Train Stop too quickly
(Trip Arm will hit and bring the train to a stand if it reaches too quickly)
What speed are Speed Proving Train Stops usually set too?
25km/h
What is a Fixed Train Stop?
- Permanently raised Train Stops which prevent a train from entering a non-wired section or end of track location
What can Fixed Train Stops also be used for?
Preventing drivers from performing a wrong line move at terminating locations
What is the most common cause of Vandalised Automatic Train Stops?
People putting objects under the arm to prevent it from lowering
What must a driver do to remove the object from the arm of a Vandalised Automatic Train Stop?
- Perform the appropriate Cab Unattended Procedure
- Remove the object with the Switch Stick
- Wear appropriate PPE
What must a driver do if they observe a Defective Automatic Train Stop?
- Report it to Train Control or Controlling Signaller
(Follow Tripping in the Vicinity of a Signal Procedure if the Emergency Brakes have been tripped)
What must a driver do if they observe a Damaged Automatic Train Stop?
Report it to Train Control at Metrol
When must Train Mounted Trip be in the Lowered Position?
- Must be Lowered in the Leading Driver Cab when driving the train
What must be done if the Trip Arm on a Trailing Motor Car has been left in the Lowered Position?
- Stop the train
- Look in the mirror to see if the train has derailed
- TEC call to Train Control at Metrol
- Reactive Track Access Request Form (If required)
- PA Announcement
- Full Cab Unattended Procedure
- Locate the lowered trip arm (raise or isolate it)
- Return to the Leading Cab
- Contact Train Control at Metrol and cancel RTARF if granted
- Provide Motor Car Number (MCN) or book TMM if fault
- Proceed at EXTREME CAUTION to next Fixed Signal
- Submit Incident Report
If a Leading Trip Valve irregularly operates when not in the vicinity of a Signal the driver must?
- Stop the train
- Look in mirror to see if the train has derailed
- TEC call to Train Control at Metrol
- PA Announcement
- Look for obvious causes (eg. Debris)
- Reset the Trip Valve
- Proceed with EXTREME CAUTION to the next Fixed Signal
- Submit Incident Report
If a Trip Valve operates when at or in the vicinity of a Home or Dwarf Signal and communication is available the driver must?
- Stop the train
- Look in the mirrors to see if the train has derailed
- Call the Controlling Signaller
- TEC call to Train Control at Metrol if the Signaller can’t be contacted
- PA Announcement
- Act under instructions