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Signals - Exceptions to Pass Fixed Signals ABS System Flashcards

1
Q

What are the 3 exceptions for passing a STOP Home Signal on the ABS?

A
  • Defective
  • Track Circuited no Low-Speed Caution
  • Single Line Working
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2
Q

What are the 2 exceptions for passing a STOP Dwarf Signal?

A
  • Defective
  • Single Line Working
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3
Q

What are the 3 exceptions for passing a STOP Automatic Signal?

A
  • Stop for an UNKNOWN reason??
  • To assist a Disabled train
  • Special Instructions from MRS (Managers Rail Safety)
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4
Q

What is the Authority if a Home Signal at STOP on the ABS is Defective?

A
  • Signallers Caution Order (SCO) if there are Points, Crossovers or Tramway
  • Verbal (if there are no Points, Crossovers or Tramways)
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5
Q

What is the Authority if a Home Signal at STOP on the ABS doesn’t have a Low-Speed Caution?

A

Verbal from the Signaller

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6
Q

What is the Authority if a Home Signal at STOP on the ABS for Single Line Working?

A

Verbal from Pilot (who has Single Line Working Forms)

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7
Q

What is the Authority if a Dwarf Signal at STOP is Defective?

A

Verbal from the Signaller

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8
Q

What is the Authority if a Dwarf Signal at STOP for Single Line Working?

A

Verbal from Pilot (who has Single Line Working Forms)

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9
Q

What is the Authority if a Automatic Signal at STOP for all exceptions?

A

Rule 1 Section 3

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10
Q

What is the Hierarchy of Authority?

A
  1. Signal Aspect
  2. Train Authority
  3. ATC SCO
  4. Signallers Caution Order
  5. Verbal
  6. Rule 1 Section 3
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11
Q

How can Caution Orders be given to the driver?

A
  • Handed Only (Local and Unrecorded)
  • Transmitted (Recorded) or Handed
  • Dictated (Remote and Unrecorded) or Handed
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12
Q

When can an Automatic Signal at STOP be passed if it isn’t defective?

A
  • To assist a disabled train
  • To assist with the movement of passengers from a disabled/de-railed train
  • To attach to the train in the section ahead
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13
Q

What should a driver do if detained at a Home Signal at STOP?

A
  1. Stop the train and Sound Long Whistle if near a Signal Box
  2. Contact the Controlling Signaller
  3. Provide:
    - TDN
    - Signal Post Number
    - Position of Train
  4. PA Announcement if required
  5. Contact Controlling Signaller every 5 minutes (Signaller will provide: Duration of delay, Reason for delay, If Blocking Facilities have been applied
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14
Q

What are Blocking Facilities used for?

A

To remind signallers that tracks are occupied or fouled

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15
Q

If detained at a Home Signal at STOP the driver should contact Train Control if?

A
  1. Driver can’t contact the Controlling Signaller
  2. Driver isn’t satisfied as to the cause or duration of the delay
  3. The delay will exceed 5 minutes
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16
Q

Who can’t issue an authority to pass a Home Signal at STOP?

A

Train Control at Metrol

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17
Q

What should a driver do if detained at a Dwarf Signal at STOP?

A
  1. Sound one Long Whistle
  2. Contact the Controlling Signaller
  3. The Controlling Signaller will provide:
    - Duration of delay
    - Reason for delay
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18
Q

What should a driver do if detained at a Dwarf Signal at STOP and they can’t contact the Controlling Signaller?

A

Contact Train Control at Metrol

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19
Q

What must any Signal Irregularities be regarded as by the driver?

A

At its safest position (STOP)

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20
Q

When receiving the Authority to pass a Defective Home Signal what should the driver lookout for in regards to potential causes of the defect?

A
  • Broken rail
  • Damaged rail infrastructure
21
Q

A Signallers Caution Order will be given to drivers when a Defective Home Signal is?

A
  • Protecting a Turnout or Crossover
  • Protecting the Fouling point of a Crossover
  • Protecting a Tramway Crossing
22
Q

How many Signallers Caution Orders can be issued for a particular Signal at once?

A

1 at a time

23
Q

How should a train move through section when using Rule 1 Section 3 or when given authorisation to go through a STOP signal?

A

At Extreme Caution (maximum 25km/h)

24
Q

If a light is extinguished on a Home Signal, can the driver accept a Low-Speed Caution aspect?

A

No, it will be regarded as a PAE

25
What does Caution Order =
Defective
26
What details must a driver confirm are correct when receiving a Caution Order?
- Name of Signal Box - Date - Time - TDN - Destination to and from - Signal Post Number - Signallers signature
27
What must a driver do prior to tripping past any Signal?
Make a PA Announcement (to ensure the safety of the passengers)
28
Must the Driver and the Signaller always exchange names for Caution Orders?
Yes, for recording purposes
29
If detained at a Home Signal at STOP where there is no Low-Speed Signal and the driver needs to enter the occupied section what is the furtherest a Competent Worker can be from the Home Signal?
500 metres
30
What is Single Line Working?
The system used when traffic of a Double Line is being worked over a Single Line due to repairs or obstruction
31
Can a Pilot authorise a driver to pass a Signal protecting the exit of the Section?
No
32
What is the Role of a Pilot for Single Line Working?
- Gives the driver verbal instructions to enter the Single Line Working area - Allow the driver to read/understand the Single Line Working Forms
33
What system does the MURL operate under?
Bi-directional ABS Safe Working System
34
What Type are all Signals in the MURL?
3 Position Home Signals
35
Who controls all Signals in the MURL?
Area Controller at Metrol
36
What are the 2 exceptions to pass Disc Signals on the ABS?
- Defective - Single Line Working
37
When passing an Automatic Signal at STOP, you must consider the Section ahead to be?
- Occupied - Obstructed - or Damaged (Train must be driven in accordance to Visibility and being able to stop within half the distance that can be seen)
38
What 3 reasons allow a train to pass an Automatic Signal at Stop?
- When performing Rule 1 Section 3 - when authorised by the driver of a disabled train who is acting as a Pilot - Where special instructions apply to the contrary
39
What 3 reasons allow a driver to authorise themselves to pass an Automatic Signal at Stop?
- Certain that the Section isn’t Obstructed - The train is free of Defects that affect Braking Distances - Visibility is suitable
40
If a driver encounters an Automatic Signal at STOP they must?
- STOP prior to the Signal - Not pass the Signal if the line ahead is known to be Occupied (until the train moves out of sight or the Track Section) - The Track must always be considered OCCUPIED, OBSTRUCTED or DAMAGED
41
If a driver encounters an Automatic Signal at STOP they must consider if their train unsafe to proceed because of?
- Braking ability - Defective or Isolated Equipment - Bad Weather Conditions - Poor/Restricted Visibility
42
If a driver decides it isn’t safe to perform Rule 1 Section 3 they must?
Contact Train Control and advise them of the circumstances for not proceeding
43
Once an Automatic Signal at STOP improves/clears, drivers must call Rule 1 Section 3 phone number and say?
“Signal Cleared”
44
What must the driver provide when calling the Rule 1 Section 3 phone number?
- Name - Motor Number - Signal Number - TDN
45
What speed must a driver proceed at while performing Rule 1 Section 3?
Extreme Caution (Not exceeding 25km/h)
46
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 slower, until the WHOLE TRAIN has passed the next Fixed Signal - Assuming the Section ahead is OCCUPIED, OBSTRUCTED or DAMAGED
47
What must a driver do when performing Rule 1 Section 3 through a Level Crossing?
Move CAUTIOUSLY FORWARD until the BOOM BARRIERS and/or FLASHING LIGHTS ARE OPERATED by the circuitry
48
Can trains Shunt outside of a Home Signal?
Yes, under Rule 16 Section 12 (The train behind must be at 100 metres clear of the intended limit of movement)

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