EXECUTE UNSIGNALLED MOVES Flashcards
When would you need to execute an unsignalled move?
- Due to faulty signalling or points
- May have to pass a signal at danger in the depot
What are 10 pieces of information that the Controller will give prior to starting an UNSIGNALLED MOVE?
1.START POINT
2. TERMINATION POINT
3. STATION TO SERVICED OR RUN NON STOP
4. ANY INCORRECT PPI INDICATIONS
5. POINT STATUS
6. ANY UNUSUAL ROUTINGS
7. ANY SPEED RESTRICTIONS
8. ANY PERSONNEL TRACKSIDE
9. INSTRUCTIONS AT TERMINATION POINT
10. PERMISSION TO PROCEEED
Name 5 termination points that can be used in a depot
- BERTHING ROAD
- DEPOT SIGNAL
- TVA
- SHUNT NECK
- SHED APRON
Why would you execute an UNSIGNALLED MOVE specifically on MAINLINE?
- NON-COMMUNICATING TRAIN (AKA TIMED OUT)
- SIGNALLING FAULTS
- POINTS FAULT
What would happen with a NCT on the mainline?
- Emergency brakes will apply
- ATC COMMS LAMP will extinguish at leading EDP
Name 7 termination points on the MAINLINE?
- STATIONS
- TRAINS
- X, E, C BOARDS
- SIDINGS AND HEADSHUNTS
- TVA
- TRACK SECTION MARKERS
- PPIs
Where can re-entries on the mainline take place?
- FROM STATION TO STATION
- USING X AND E BOARDS
What does an X BOARD indicate?
That the train is 90m before a loop boundary
What does an E BOARD indicate?
That the train is 90m after a loop boundary
- How does the inductive loop work?
- What happens between the X and E boards?
- The inductive loop provides a 2 way communication between the VCC and the VOBC. This is known as ATC comms.
- ATC COMMS lamp illuminate between X and E boards
- What is carried out the station before the X board?
- What is carried out at the station after E board?
- VOBC RESET
- AUTO SELECTED
What does the C BOARD indicate?
It indicates that the TRAILING END CARRIAGE is clear of points behind you on a 3 CAR TRAIN
