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Class 231 - Cert IV > TTSA > Flashcards

TTSA Flashcards

1
Q

What is the rail corridor?

A

15m from the outer (nearest) rail, or fence to fence if enclosed

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2
Q

Where is the danger zone?

A

3m from closest rail, and all space above and below the rail

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3
Q

What is a position of safety?

A

A position where you cannot be struck by regular rail traffic

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4
Q

Who identifies a P.O.S?

A

The driver

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5
Q

What is a TFPC?

A

Track Force Protection Coordinator

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6
Q

How do you identify a TFPC?

A

Blue hard hat

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7
Q

What 6 things are required to enter the rail corridor?

A
  1. metro ID
  2. Fit for work
  3. PPE
  4. Category 1 medical
  5. Rostered for work
  6. TTSA 1
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8
Q

What colours can you NOT wear or display inside the rail corridor?

A

Red, yellow or green

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9
Q

What is required to be deemed fit for work?

A

Free from fatigue
Free from drugs (0.00%)
Free from alcohol (0.00%)

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10
Q

What is the required PPE for a track worker?

A
  1. Hard hat
  2. Safety glasses
  3. Long sleeve shirt
  4. Long pants
  5. Rail approved high vis vest (orange)
  6. Safety boots (lace up ankle support)
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11
Q

What is the required PPE for a train driver?

A
  1. Rail approved special purpose High vis vest (orange)
  2. Safety boots (lace up, ankle support)
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12
Q

When can a drug/alcohol test be administered?

A
  1. Randomly
  2. After show cause
  3. After accident/incident (within 3 hours)
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13
Q

What is track class?

A

The maximum allowed speed a train can travel on the track

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14
Q

What is the safe distance for live electrical apparatus?

A

2m for person
6.4m for plant

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15
Q

What is the max speed for the inner suburban area?

A

65km/h

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16
Q

What 3 things are required for all radio communication?

A
  1. TDN
  2. Origin/destination
  3. Location
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17
Q

What is a TDN?

A

Train Describer Number

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18
Q

What is the sighting distance for the inner suburban area?

A

455m

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19
Q

What does ABC refer to in regards to radio communication?

A

Accurate, Brief, Clear

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20
Q

What are the rail gauges?

A

Victorian broad gauge 5ft
Standard gauge 4ft

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21
Q

What are the two train directions?

A

UP towards flinders
DOWN away from flinders

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22
Q

When should incidents be reported?

A

Immediately
(When safe to do so)

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23
Q

What is the reporting hierarchy?

A
  1. Train Control @ Metrol
  2. Fellow Workers
  3. HSR
  4. Manager
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24
Q

What are the three components of track in the rail corridor?

A
  1. Ballast
  2. Sleepers
  3. Rails
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25
Q

What does a TFPC do?

A

They assess and implement Track Force Protection requirements

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26
Q

Where is the platform danger zone?

A

Infront of the yellow line, or 1.5m from the platform edge

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27
Q

What is the minimum distance required between tracks?

28
Q

What are the components of the overhead system?

A

Contact wire
Catenary
Dropper
Dropper feeder

29
Q

What voltage is used on the overhead system?

30
Q

What does the dropper do?

A

Suspends the contact wire from the catenary

31
Q

What does the catenary wire do?

A

Supports the contact wire like a suspension bridge

32
Q

How does the catenary supply power to the contact wire?

A

Via the dropper feeder

33
Q

What should be said to advise others of approaching rail traffic?

34
Q

What should you be wary of when crossing tracks?

A
  1. ballast, as it is unstable
  2. Points, as they are operated remotely and can crush anything caught within the arm
35
Q

What are the basic hand signals for use within the rail corridor? And what do they mean?

A
  1. All right, where the hand closest to the operation track is held out. It signifies that you are aware of the train and no obstructions are present
  2. Stop, where 2 hands are held upright above the head to signify an obstruction on the line and to tell the driver to stop
36
Q

What wires carry power alongside the rail corridor?

A

Transmission lines

37
Q

What charge do the lines adjacent to the rail corridor carry?

A

22,000v AC

38
Q

How is the power transferred from the adjacent wires to the rail corridor?

A

It is taken from the transmission wires to the substation, where it is converted and then transferred to the catenary wire via a feeder

39
Q

What parts of the rail corridor are live?

A

All the wires above the rail line are considered live

40
Q

What is a tension structure?

A

A system that ensures the contact wire is always taut when the wires malleability is affected by the climate

41
Q

What is an AWD?

A

Audible Warning Device, usually a whistle, siren, horn etc

42
Q

What do each of the components of the track system do?

A

Rails guide the wheels
Ballast provides support and drainage
Sleepers keep the gauge and distribute weight

43
Q

What is Safe Working?

A

The controlled movement of rail traffic that protects passengers, infrastructure and workers

44
Q

What is a viaduct?

A

A long bridge with multiple spans, with a total length of over 100m

45
Q

What is an underbridge?

A

A bridge with road traffic going UNDER rail traffic

46
Q

What is an overbridge?

A

A bridge where road traffic goes OVER the rail traffic

47
Q

What is a kilometre post?

A

A post that measures the kilometre distance from southern cross station

48
Q

What are overhead structure numbers?

A

The distance, in feet, from flinders street station
Add 2 zeros on older structures, newer ones have all zeros present

49
Q

What is a turnout?

A

A section of points that move trains to a new track

50
Q

What is a crossover?

A

A section in which two sets of points allow trains to switch lines

51
Q

What are the various track classes?

A

Inner suburban
Suburban
Country
Regional

52
Q

What is Safety Critical Communication?

A

Any communication that if not delivered accurately or promptly will result in serious harm to persons or infrastructure

53
Q

What permission is required before entering the danger zone?

A

Reactive Track Access Request

54
Q

What is an ATWS? What is it also known as?

A

Audible Track Warning signal, or detonator

55
Q

What’s the the 3 types of stanchions?

A

Portal
Cantilever
Stand-off (mainly on curves)

56
Q

What does a steady arm do?

A

Staggers the contact wire, to prevent excess wear in the train pantograph

57
Q

What is a spark gap?

A

a safety device that prevents the stanchion becoming live in the event of a fault

58
Q

What are section insulators? What are they made of?

A

Non conductive materials used to isolate sections of track from power.
Made of:
Fibreglass
Wood
Porcelain

59
Q

What are guy wires?

A

Heavy wires attached to stanchions to provide stability

60
Q

What is a terminal stop sign?

A

A sign that denotes where the contact wire will terminate.

61
Q

What must be done at a terminal stop sign?

A

Drivers must stop at least 3m before the sign.

62
Q

What is an electrical conductor?

A

Object that allows electrical current to flow through

63
Q

What is an electrical insulator?

A

Object that prevents electrical current from flowing through

64
Q

What should be done continuously in the Rail Corridor?

A

Continuous Visual Assessment

65
Q

What Act protects Flora and Fauna?

A

Environmental Protection Amendment Act 2018

66
Q

What are the 3 type of signals?

A
  • Home
  • Automatic
  • Dwarf
67
Q

What 4 sections does a Reactive Track Access Request Form have?

A
  • Access request
  • Stationary train or Absolute signals/blocking facilities
  • Cancellation
  • Additional site attendees (for any track workers who have to work on/take over the train

Class 231 - Cert IV (12 decks)

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