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Metro Traineeship > 4. Signal irregularities, Diagrams and Out of use; Multiple signals, Safety Critical Errors > Flashcards

4. Signal irregularities, Diagrams and Out of use; Multiple signals, Safety Critical Errors Flashcards

1
Q

What is the first duty of a driver when detained at a fixed signal?

A

Sound a long whistle

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2
Q

After the driver has sounded a long whistle, what are a driver’s next actions when detained at a fixed signal?

A
  • Contact signaller/area controller/train controller
  • Tell them TDN, signal post no and position of train
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3
Q

If a driver is detained at a fixed signal at stop, what details must the signaller/controller give the driver?

A
  • Expected duration of delay
  • Reason for delay
  • If blocking facilities have been applied
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4
Q

Here’s a list of Signal Irregularities. You don’t need to remember them perfectly but you will probably need to pick them out of a list or select ‘all of the above’ on an exam (9)

A
  • Absence of a signal aspect at a place where aspect normally is
  • Signal imperfectly displayed
  • Flickering signal
  • Disc signal not turned correctly
  • White light where coloured light should be
  • Two signal aspects at a place where only one signal aspect should be displayed
  • Conflicting co-acting signals
  • Signal reverting to stop prior to train passing
  • Any other irregularity not specified in the 1994 book
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5
Q

What does a driver do if they encounter an irregular Home, Disc or Dwarf signal?

A
  • Stop prior to the signal
  • Contact Signaller and advise them
  • Receive the correct authority to pass
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6
Q

What does a driver do if they encounter an irregular Automatic signal?

A
  • Stop prior to signal
  • Advise Train Controller of issue (signal no. and fault)
  • Follow Rule 1 Section 3

If train cannot be stopped prior to signal, advise Train Controller of issue, including tripping in vicinity of fixed signal. Await further instruction

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7
Q

What does a Hand Signaller do if a Home Signal is defective in the Proceed position? (4)

A
  • Obscure light of signal
  • Place 2 ATWs 10 metres apart on one rail a sufficient distance from defective signal
  • Exhibit a red hand signal to stop any train
  • Inform driver of circumstances
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8
Q

What is signified to a driver if they encounter two ATWs 10 metres apart?

A

That an upcoming signal is defective at proceed

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9
Q

What is signified to a driver if they encounter three ATWs 10 metres apart?

A

Track Force Protection – be on the lookout for flaggies

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10
Q

What must a driver do when stopped by a Hand Signaller warning of a Home Signal defective at Proceed?

A
  • Make a PA announcement
  • Obtain correct authority to pass defective signal
  • Proceed with extreme caution towards next fixed signal
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11
Q

What must a Hand Signaller do if a Disc or Dwarf is defective at Proceed?

A
  • Obscure light of signal
  • Display a Red hand signal in place of signal
  • Inform driver

(Driver will then need correct authority to pass signal)

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12
Q

What must a Hand Signaller do when an Automatic Signal is defective at Proceed?

A
  • Obscure light
  • Place two ATWs 10m apart on one rail a sufficient distance prior
  • Exhibit a RED hand signal to stop trains
  • Inform driver of circumstances
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13
Q

What must a driver do when stopped by Hand Signaller at an Automatic signal defective at Proceed?

A
  • Make a PA announcement
  • Comply with Rule 1 Section 3
  • Proceed with extreme caution to the next fixed signal
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14
Q

What must a driver do if a Home, Dwarf or Disc signal reverts to Danger before passing?

A
  • Make all necessary action to stop the train
  • Contact signaller/train controller to ascertain reason

If train could not be stopped before signal, Train Controller must be notified and authority must be given before train is moved

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15
Q

What must a driver do if wrong routing is identified?

A

Stop immediately and contact the Controlling Signaller

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16
Q

What must a driver do if they are unable to stop before being wrong routed onto an unwired track?

A
  • Apply Emergency Brake
  • Lower pantographs
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17
Q

What authority is required if a train is required to pass a Home signal at stop that is protecting a tramway level crossing?

A

Signaller’s Caution Order

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18
Q

What must a driver do when detained at a Home Signal without an illuminated letter “A” at Stop in the Metrol-Controlled area?

A
  • Contact Area Controller and follow their instructions
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19
Q

When detained at a Home Signal without an illuminated letter “A” at Stop in the Metrol-Controlled area, what must a driver do if they cannot contact the Area Controller?

A

Remain on train whilst continuing to contact Area Controller. Do not move train.

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20
Q

What must a driver do when detained at a Home signal outside the Metrol-controlled area and the illuminated A is not illuminated?

A
  • Sound a long whistle
  • Make a PA
  • Contact Controlling Signaller

If Signaller is not contactable, this must be reported to Metrol

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21
Q

If it is confirmed a signal box is “switched out” and a driver is detained at a non-Metrol Home signal without the illuminated A, what will the train controller ask the driver to do?

A
  • Inspect any points and report back.

If points are correct, Train Controller will give verbal instruction to pass Home at Stop and exchange names

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22
Q

When detained at a locally-controlled Home signal without the letter A and there has been a complete communications failure the driver must:

A
  • Long whistle
  • PA
  • Secure Train
  • Full Cab Unattended
  • Proceed to Signal Box and ascertain status

if it is clear Signaller is not on duty and points are set, they may carry out Rule 1 Section 3, and contact Train Controller at first opportunity

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23
Q

When detained at a remotely-controlled Home signal without the letter A and there has been a complete communications failure the driver must:

A
  • PA
  • Remain on train and await Train Overtime procedures
  • Continue to attempt communication
  • Do not move
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24
Q

What will a Train Controller do when Train Overtime in Section has been implemented?

A
  • Prevent any movement of trains in area
  • Inform station and signalling staff at ends of section
  • Locate train through any means possible
  • Keep trying to communicate with driver
25
Q

What to do if your train trips irregularly in the section? (7)

A
  • Stop train and check for signs of derailing
  • Call Train Controller at Metrol – give location, signal no, and whether it is in vicinity of signal
  • make a PA
  • Look for cause of trip
  • Reset trip
  • Proceed with extreme caution to next fixed signal
  • Incident Report to correspondence box
26
Q

Who do you call if your train trips in the vicinity of a Home, Disc or Dwarf signal?

A

Controlling Signaller

27
Q

How are signal diagrams read?

A

Like a map, with FSS always on the left

28
Q

Where can a driver be informed that a new signal diagram has been issued?

A

Under “The Depot” > Passenger Network Operations > Signal Diagrams

29
Q

Look at your signal diagrams for how we can identify Home, Automatic and Dwarf signals on a signal diagram. Maybe have a go at drawing them yourself :-)

A

Okay

30
Q

Where will a driver receive notification of signals being out of use? (3)

A
  • WON (Weekly Operational Notice)
  • Safe Working Circulars
  • Depot Notice Boards
31
Q

If a signal is to be permanently removed, what must be updated to reflect this change?

A

Signalling diagrams

32
Q

How is a Fixed Signal identified as being Out Of Use?

A

A black cross placed in front of each light, with the light extinguished

33
Q

When might an Out Of Use signal be bagged instead of crossed?

A

When it is a new signal that hasn’t yet been commissioned for service

34
Q

What does a driver do when they encounter a signal that has been marked as Out Of Use?

A

Disregard the signal

35
Q

What should a driver do if they arrive at a signal that has been booked as Out Of Use, and it is illuminated?

A

Treat it as a signal irregularity (i.e. stop) and report it to Train Controller at Metrol

36
Q

Can multiple signals of the same class be placed on the same pole?

A

Yes

37
Q

Can multiple signals of different classes be placed on the same pole?

A

yes

38
Q

What is indicated when there are multiple signals of the same class on the same pole?

A

Several routes are available to your train from that signal (no. of signals indicates no. of routes)

39
Q

In what order are multiple signals read?

A

Top to bottom, left to right

40
Q

What are the three reasons given in the courseware as to why signals are arranged top to bottom, left to right?

A
  • To give driver info regarding which route has been set
  • To advise driver if a route has been set on a line that is occupied
  • To make signals more visible
41
Q

If different classes of light are present on a two-position signal post, does this indicate how many routes are available to the driver?

A

Not necessarily – a calling-on signal will not indicate an additional route

42
Q

When is a Co-Acting Signal used?

A

Where a signal can’t easily be seen due to obstruction

43
Q

How is a Co-Acting Signal indicated?

A

With a letter “P” after the signal number – it will share a signal number with its paired signal

44
Q

What must a driver do if a Co-Acting signal displays a conflicting signal aspect?

A

Treat both signals at safest aspect (Stop). Contact Train Controller/Controlling Signaller

45
Q

Can Co-Acting Signals be read as separate signals?

A

No

46
Q

What is a PAE Cat-A?

A

Running a red without prior braking.

A train has proceeded without authority onto a running line, occupied track, work site, inactive level crossing or is now in conflict with another train movement.

47
Q

What is a PAE Cat-B?

A

Driver has tried to prevent PAE but wasn’t able to

From courseware: “Train has exceeded limit of proceed authority or proceeded without proceed authority on or onto a running line other than roll back.”

47
Q

What is a PAE Cat-C?

A

Driver has exceeded limit of proceed authority where:
- Rear of stationary train rolls back, resulting in prior section becoming re-occupied OR
- PAE has happened within a yard and has remained in a yard OR
- Other incidents not falling under Cat-A or Cat-B

47
Q

What is a PAE Violation?

A

Where the driver does not follow the correct rules after having a PAE

48
Q

What are the instructions a driver must follow after having a PAE? (5)

A
  • Immediately bring train to stand and into Emergency
  • Assess for potential risk to other trains
  • If risk present, make a REC call
  • Contact Controlling Signaller, Train Controller and provide the required information
  • Do not move the train unless instructed
49
Q

If a PAE has occurred, what information might the Senior Network Controller ask for? (10) (You probs don’t need to memorise it all, but good be be vaguely familiar with)

A
  • Name and employee number
  • Shift no
  • Leading motor number
  • TDN
  • Location
  • Signal no
  • Distance travelled on PAE
  • If braking had been applied prior
  • Fit for duty considerations
  • Any other questions
50
Q

When can you move a train after a PAE, and how far can you go?

A

Once you have been instructed, and only as far as you’ve been authorised.

51
Q

If a driver is to be relieved after a PAE, a driver will return to Flinders St to: (3)

A
  • Drug and alcohol test
  • Incident Report
  • Schedule a post-PAE interview
52
Q

What are the typical errors leading a Start Against Signal PAEs? (6)

A
  • Assuming a proceed signal without checking
  • Not moving reverser into Off/Neutral at stop
  • Moving the reverser without looking at the signal
  • Looking at the wrong signal
  • Distracted
  • Did not remember previous signal
53
Q

What can a driver do to remember if they have passed a Warning aspect and the next signal is not in clear view?

A

Use the Memory Aid Device

54
Q

According to courseware, what techniques can be utilised to help avoid PAEs in the section? (7)
(again, be familiar, you don’t have to memorise)

A
  • Reduce speed at warning signal/ MAD button
  • Plan to stop prior to signal
  • Be aware when approaching signals in unfamiliar areas
  • If uncertain of location of signal, brake
  • Next signal may have restricted sighting – don’t wait until you can see it before you reduce speed
  • Allow for wheel slip
  • Focus on red ahead
55
Q

What are the four typical errors when running under restrictive aspects:

A
  • Assuming aspects will improve
  • Not proactively slowing train
  • Not responding to warning aspect (pretty much same as above – wyd courseware??)
  • Lack of concentration
56
Q

How does a signal become a Multi-PAE Signal?

A

If it is passed 3 times within a 5-year period

57
Q

How long does a signal retain its “Significant” or “Extreme” risk status?

A

Two years – if it is PAE-free for this period of time it is reclassified to normal

Metro Traineeship (31 decks)

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