Temp Block Working Flashcards
Define temporary Block working?
Authority to pass 2 or more consecutive signals at danger/defective signals on a track circuit line
State the requirements for temp block working to be introduced?
Track circuit block line
Other than a single line
Uni-directional line
2 or more consecutive defective signals
What would you find at the entrance and exit or TBW?
Entrance and exit- handsignaller, red signal, det
For another train to enter, what must the section be?
Clear and clear upto 200m beyond the exit
What ticket do you need to enter?
What information will be on this ticket?
RT3184
Head code of train
Time/date
Instructions and which signals to pass and where to stop
What must the hand signaller do before you can proceed?
Show a yellow flag
Remove the det
Complete RT3184
What must the driver do before setting off?
Come to a clear understanding
Isolate TPWS
No more than 50 or permissable line speed
Cross each signal off as you pass it so you know where you are
How do you least the TBW section?
Stop at final signal Speak to hand signaller Hand in RT3184 Check the train is complete with taillights Must get verbal confirmation before leaving Remove det Reinstate TPWS Yellow flag or green signal
What do you do if you reach the final signal and cannot final hand signaller?
Stop, contact signaller, follow instructions
What do you do if the final signal you approach is green?
Stop and contact signaller and that is what the ticket says you must do!
When can you enter TBW without a RT3184?
Why?
Remove a divided train Evacuate Assist a failed train Remove a runaway Examine the line
As there is already a train in the section with a RT3184
What does a signal post replacement switch do?
Reverts the signal back to danger
How are points secured in TBW and ESW?
Clips, scotches and padlocks
Difference between TBW and ESW?
No handsignaller
Speak to signaller in ESW to fill form in
No dets
EW board on exit to section
When would not need a RT3184?
When performing REAR