SWA

Question 1

What is a SWA01 used for? (5)

Answer 1

1. Pass a failed or imperfectly displayed Departure Signal.
2. Pass a signal or block entry board to enter a protected work area using blocking or track and time permit (Mis. 60).
3. Pass a starting signal or BEB to enter the wrong line (includes SPAD).
4. Set back within a block section.
5. Authorise a train to work in either direction in a section.

Question 2

What is a SWA02 used for? (3)

Answer 2

1. Pass a departure or starting signal at stop, or BEB to assist a disabled train.
2. Pass an absolute intermediate signal to assist a disabled train.
3. Set back a disabled train within a block section with relief to the station in rear.

Question 3

What is a SWA03 used for? 2

Answer 3

1. Enter a protected work area.
2. Convert signals/boards listed from absolute to permissive.

Question 4

What is a SWA03 used for? (2)

Answer 4

1. Enter a protected work area.
2. Convert absolute signals to permissive.

Question 5

What are the precautions and checks before issuing a SWA01? (5)

Answer 5

1. Ensure section is clear with no opposing movements.
2. Advise opposing trains at crossing stations of SWA intentions.
3. Check with adjacent signaller no conflicting movements.
4. Route / points correctly set.
5. If setting back, check if pilot is required.

Question 6

What are the precautions and checks before issuing a SWA02? (6)

Answer 6

1. Verify disabled train location.
2. Establish where relief is coming from.
3. Confirm if protection is being used.
4. Check the authority will not conflict with other train/track occupancies.
5. Check and confirm the route is correctly set and protected.
6. Undertake additional checks if disabled train is setting back to station in the rear. (No following movements or conflicting track occupancies).

Question 7

What are the precautions and checks before issuing a SWA03? (5)

Answer 7

1. Confirm identity and location of operator of MTMV/Work train.
2. Cross check with any signaller controlling entry into the PWA.
3. Confirm with RPO that it is safe and there is a clear understanding before starting SWA03 issue process.
4. Check and confirm route is correctly set and protected.
5. Include “RPO authority also required” in clause 7 is applicable.

Question 8

What are the steps in the process for preparing and transmitting a SWA01? (5)

Answer 8

1. Blocking.
2. Draw SWA01 on diagram.
3. Prepare SWA01 and put authority number on diagram.
4. Transmit to signaller and obtain correct read back.
5. Transmit to operator and obtain correct read back.

Question 9

What are the steps in the process for preparing and transmitting a SWA02? (6)

Answer 9

1. Blocking.
2. Draw SWA02 on diagram.
3. Prepare SWA02 and put authority number on diagram.
4. Transmit to signaller and obtain correct read back.
5. Transmit to operator of disabled train and obtain correct read back.
6. Transmit to operator of relief train and obtain correct read back.

Question 10

What are the steps in the process for preparing and transmitting a SWA03? (5)

Answer 10

1. Blocking if not already protected.
2. Draw SWA03 on diagram.
3. Prepare SWA03 and put authority number on diagram.
4. Transmit to signaller and obtain correct read back.
5. Transmit to operator and obtain correct read back.

Question 11

What features can be used to give an accurate train location? (7)

Answer 11

1. Full or 1/2 km peg.
2. Tunnel portal.
3. Signal, points indicator or intermediate board.
4. Main line points.
5. Level crossing meterage.
6. Traction pole meterage.
7. Station platform.

Question 12

When is a pilot needed? (6)

Answer 12

1. Level and pedestrian crossings.
2. Platforms.
3. Signals.
4. Sidings.
5. Turnouts.
6. Tunnels.

Question 13

A pilot is not needed for signals, sidings, turnouts, and tunnels in what circumstances?

Answer 13

If Train Control can confirm the line is clear by setting signals / points and / or seeing their status, and / or issuing a Safe Working Authority for the movement that encompasses any intermediate signals (i.e. a SWA01 clause 8 / bulletin as necessary).

Question 14

What is a SWA01 used for? (5)

Answer 14

1. Pass a failed or imperfectly displayed Departure Signal.
2. Pass a signal or block entry board to enter a protected work area using blocking or track and time permit (Mis. 60).
3. Pass a starting signal or BEB to enter the wrong line (includes SPAD).
4. Set back within a block section.
5. Authorise a train to work in either direction in a section.

Question 15

What is a SWA02 used for? (3)

Answer 15

1. Pass a departure or starting signal at stop, or BEB to assist a disabled train.
2. Pass an absolute intermediate signal to assist a disabled train.
3. Set back a disabled train within a block section with relief to the station in rear.

Question 16

What is a SWA03 used for? (2)

Answer 16

1. Enter a protected work area.
2. Convert absolute signals to permissive.

Question 17

What are the precautions and checks before issuing a SWA01? (5)

Answer 17

1. Ensure section is clear with no opposing movements.
2. Advise opposing trains at crossing stations of SWA intentions.
3. Check with adjacent signaller no conflicting movements.
4. Route / points correctly set.
5. If setting back, check if pilot is required.

Question 18

What are the precautions and checks before issuing a SWA02? (6)

Answer 18

1. Verify disabled train location.
2. Establish where relief is coming from.
3. Confirm if protection is being used.
4. Check the authority will not conflict with other train/track occupancies.
5. Check and confirm the route is correctly set and protected.
6. Undertake additional checks if disabled train is setting back to station in the rear. (No following movements or conflicting track occupancies).

Question 19

What are the precautions and checks before issuing a SWA03? (5)

Answer 19

1. Confirm identity and location of operator of MTMV/Work train.
2. Cross check with any signaller controlling entry into the PWA.
3. Confirm with RPO that it is safe and there is a clear understanding before starting SWA03 issue process.
4. Check and confirm route is correctly set and protected.
5. Include “RPO authority also required” in clause 7 is applicable.

Question 20

What are the steps in the process for preparing and transmitting a SWA01? (5)

Answer 20

1. Blocking.
2. Draw SWA01 on diagram.
3. Prepare SWA01 and put authority number on diagram.
4. Transmit to signaller and obtain correct read back.
5. Transmit to operator and obtain correct read back.

Question 21

What are the steps in the process for preparing and transmitting a SWA02? (6)

Answer 21

1. Blocking.
2. Draw SWA02 on diagram.
3. Prepare SWA02 and put authority number on diagram.
4. Transmit to signaller and obtain correct read back.
5. Transmit to operator of disabled train and obtain correct read back.
6. Transmit to operator of relief train and obtain correct read back.

Question 22

What are the steps in the process for preparing and transmitting a SWA03? (5)

Answer 22

1. Blocking if not already protected.
2. Draw SWA03 on diagram.
3. Prepare SWA03 and put authority number on diagram.
4. Transmit to signaller and obtain correct read back.
5. Transmit to operator and obtain correct read back.

Question 23

What features can be used to give an accurate train location? (7)

Answer 23

1. Full or 1/2 km peg.
2. Tunnel portal.
3. Signal, points indicator or intermediate board.
4. Main line points.
5. Level crossing meterage.
6. Traction pole meterage.
7. Station platform.

Question 24

When is a pilot needed? (6)

Answer 24

1. Level and pedestrian crossings.
2. Platforms.
3. Signals.
4. Sidings.
5. Turnouts.
6. Tunnels.

Question 25

A pilot is not needed for signals, sidings, turnouts, and tunnels in what circumstances?

Answer 25

If Train Control can confirm the line is clear by setting signals / points and / or seeing their status, and / or issuing a Safe Working Authority for the movement that encompasses any intermediate signals (i.e. a SWA01 clause 8 / bulletin as necessary).