3. Exceptions to pass fixed signals at ABS and ATC systems Flashcards
Under the ABS system, what must you do if you are detained at a Home Signal at Stop? (3)
- Sound one long whistle
- Contact the controlling signaller
(Provide TDN, Signal Post No., Position of Train) - Provide a PA announcement
Under the ABS system, if you contact a Controlling Signaller when detained at a Home Signal, what information must the Controlling Signaller provide? (3)
- Expected duration of delay
- The reason for delay
- If Blocking Facilities have been applied
Under the ABS, when detained at a Home Signal when should the driver contact the Train Controller at Metrol? (3)
- If Controlling Signaller can’t be contacted OR
- If driver is not satisfied with response of Controlling Signaller OR
- Signaller has informed the delay will exceed five minutes
Under ABS, what must a driver do if they encounter an automatic signal at stop? (3)
- Stop train prior to signal
- Not pass signal if line ahead is known/seen to be obstructed
- Assume track ahead is occupied, obstructed or damaged
Under ABS, what train-related safety issues must a driver consider before passing an automatic signal at stop? (4)
- Braking ability of the train when considered against the gradient of track
- Defective or isolated equipment
- Bad weather conditions
- Restricted visibility (e.g. graffiti on windscreen, sunglare etc)
What phone call must a driver make before passing an automatic signal at stop and what details must they provide?
- They must call the Rule 1 Section 3 recorded message number and provide their name, motor number, signal number and TDN
Briefly describe the process a driver must undertake when performing Rule 1 Section 3 at an Automatic Signal:
- Stop at Red/defective aspect
- Assume track ahead is occupied, obstructed or defective
- If train has safe operation faults, driver can refuse to enter track section and call Train Controller at Metrol
- Leave message with Recorded Radio number and give name, signal no, motor no and TDN
- Make a PA and sound long whistle
- Proceed at extreme caution until whole train has cleared the next fixed signal
- Stop the train if another train is seen to ascertain direction
- Submit incident report
Extreme Caution is defined as:
- Being able to stop the train in half the distance that can be seen ahead
- Not exceeding 25km/h or posted track speed if lesser, until the whole train has passed the next fixed signal
- Always being prepared to find the section ahead occupied, obstructed or damaged
If there has been an equipment failure and a level crossing mechanism has not been triggered (boom arms still raised), how might a driver apply Rule 1 Section 3?
Driver is to move with extreme caution past the signal at stop until the boom barriers/flashing lights are triggered by circuitry.
Train must not enter level crossing until equipment is operating or until railway personnel are protecting the crossing.
What are the exceptions to pass a Home Signal at Stop?
- Defective
- Single line working
- Track circuited where no low-speed caution or calling-on is provided.
What are the exceptions to passing a Disc or Dwarf signal at Stop?
- Defective
- Single Line Working
What are the exceptions are there to passing an Automatic signal at Stop?
- Rule 1 Section 3
- Assisting a disabled train
- Defective
What authority does a driver need to pass a defective Home Signal at Stop?
Signaller’s Caution Order if the signal is protecting points/crossover/tramway, Verbal authority if the signal is not
What authority does a driver need to pass a Home, Disc or Dwarf signal under Single Line Working conditions?
Pilot’s authority – pilot will have appropriate paperwork and be wearing an identifiable red armband.
What authority does a driver need to pass a Home Signal that is Track Circuited where no low-speed caution or calling-on signal is provided?
Verbal permission and/or a green signal from controlling signaller.
Competent Worker is also needed to pilot train towards the train in advance
What authority does a driver need to pass a defective Disc or Dwarf signal?
Verbal instruction from the controlling signaller
How are Signallers Caution Orders delivered to the driver?
- Handed
- Transmitted
- Dictated
Can a pilot authorise the driver to pass a signal protecting the exit of the section?
No
What must a driver do if detained at the Dwarf or Disc signal at Stop?
- Sound long whistle
- Contact controlling signaller
Under ABS rules, can a driver receive a Signallers Caution Order instead of a Low-Speed Caution aspect?
No, if a signal can be used it must be used.
The driver receiving a Signaller’s Caution Order must observe the following details are provided and correct: (7)
- Name of Signal Box
- Date
- Time
- TDN
- Destination to and from
- Signal Post No
- Signaller’s signature
What locations will a driver be directly handed Signallers Caution Orders?
Handed from non-recorded Local Boxes
What locations will a driver be dictated a Signallers Caution Order?
What is the process?
Dictated from non-recorded remote controlled signal boxes
It will be read to the driver over the signal post telephone – driver must complete and retain.
What locations will a driver be transmitted a Signallers Caution Order?
What is the process?
Transmitted from recorded locations.
Can be transmitted via DTRS or Signal Post Phone. Driver does not need to write details, but must keep record of signallers name.