Single line Working Flashcards
Single line working principle?
When one line of a double line becomes blocked, single line working by Pilotman allows trains to travel over the other line in either direction
How is the pilotman identified?
Red amulet on the left arm with white letters
How will you know that any unworked points have been secured?
Green flag or light placed next to them
Who will give you permission to enter the single line?
Pilotman
When will you not receive a single line working ticket to enter the single line?
To assist a failed train
To evacuate passengers from a failed train
To remove a portion of a divided train
To remove a train or vehicles that have proceeded without authority
What is the maximum speed of single line working in the wrong direction?
50 mph or the permissible line speed if lower than 50 mph
What person must be informed that single line working is in operation?
Driver
Crossing keeper
Anyone working on or near the line that is being used that single line working is in operation and which line is being used
What is the maximum speed when single line working is in the right direction?
Line speed
When would you not travel ag line speed in the right direction?
If you are the first train travelling over single line working where you are needed to check points
How do you dispose of the single line working ticket?
Write cancelled across it and hand to pilotman or if pilotman not present give to your supervisor when booking off duty
If your train fails when single line working, who will arrange assistance?
If pilotman is present will make arrangements with the signaller.
If pilotman is not present signaller will contact pilotman
What safety issue must be considered when single line working is taking place where there are more than two running lines?
Trains on adjacent running line may be travelling in a different direction to what you would expect.
When will a pilotman accompany trains over a single line when working to or from a point of obstruction?
Will accompany all trains over the single line
Give one reason why working of a single line by pilotman will be introduced?
To work to or from a point of obstruction as a result of both lines of a double line becoming blocked.
The token has been lost
Control of movement- right direction.
Should it be required to pass a signal at danger, authority must be given by?
Signaller
Pilotman
Handsignaller
The provisions of rule book S5 would then apply
Control of movement- wrong direction.
Controlled by?
Handsignals
Shunting or position light
Main aspect
Hand signals and their colours?
Start of TBW - yellow flag
Exit of TBW - yellow flag
Level crossing - green flag
Assistance protection - red flag
Ready to start - green flag
Single line working, points secured - green flag
Guard stop - red flag
Line workers obstruction - red flag
AHBCunder local control - green flag
CCTV, OD, RC with attendant - green flag
Controlled level crossing protected by signals where the hand signal is shown opposite the signal protecting the level crossing - yellow flag
Signals
What colour handsignal would you expect to see on a
track circuit block - opposite the signal protecting the cross over where trains are returning to the proper line?
Or opposite any signal where trains may have to stop?
Yellow
What colour handsignal at a Cctv, od or rc level crossing where an attendant is appointed?
Green
What colour handsignal at any manned level crossing protected by signals?
Green
What colour handsignal at an AHBC under local control?
Green
What colour handsignal at any controlled level crossing protected by signals where the hand signal is shown opposite the signal protecting the level crossing?
Yellow
What colour handsignal ag an intermediate signal box unless it is closed?
Yellow
What colour handsignal st unworked points when approaching in the facing direction?
Green. Placed on ground next to the points
Before entering the single line what must the driver make sure?
Clearly identify pilotman
Clearly understand instructions from the pilotman
Have the personal authority of the pilotman to enter the single line
What form should the pilotman give you and when is it not needed?
Single line working ticket- RT3193 Do not need if :- Assist a failed train Evacuate passengers from a failed train Remove a portion of a divided train Remove a train or vehicle that has proceeded without authority
In single line working how will wrong direction movements be controlled?
By hand signals except where it is possible for shunting or position light signals to be worked
A hand signaller will not be provided if there is a main aspect signal to return the train to the proper line at the end of the single line.
Single line working
Wrong direction movements
Returning to proper line.
If there is no main aspect signal or handsignaller who will accompany you and where will you stop?
Pilotman
Stop the train on TCB, opposite the signal which applies to the obstructed line protecting the cross over where trains return to the proper line.
If first train over the single line you must stop if instructed by the pilotman so he can?
Tell anyone on or near the line that SLW has been introduced
Tell any crossing keeper the SLW arrangements
Check that points are properly secured
If first train over the single line and not accompanied by pilotman you must if instructed by pilotman to tell anyone on or near the line?
That SLW has been introduced
The line over which it applies