Element 5.6 - Drive train(s) in terminus platform

Question 1

What is meant by the term permissive working and signals used to control such moves?

Answer 1

More than one train on one section of the line at one time.

Associated position lights are used to control such moves.

Main Aspect: Red
APL: Two white lights

Question 2

2. What will happen if the train travels too fast into a terminus platform?

Answer 2

TPWS will activate

Over speed sensor (OSS) loops will intervene and emergency brakes will be applied to stop the train.

Question 3

3. Why is it important to ensure a smooth deceleration when stopping at a station?

Answer 3

It is a professional driving technique.

To ensure a smooth and comfortable stop for passengers.

Avoid any accidents and injuries.

Question 4

4. What are the typical stopping distances from the buffer stops or another train within a platform?

Answer 4

6ft

Question 5

5. List the stations/platforms on the route where permissive working is permitted.

Answer 5

Liverpool Street 1-18 PP full use

Stratford Platform 5+8 PPC contingency use only

All platforms are permissive working in emergency.

Question 6

6. List the terminal stations on your route and specific hazards relating to each location.

Answer 6

Terminus station:
Liverpool Street
Gidea Park
Shenfield

All have offside platforms that can be given wrong side door release.

Question 7

7. List the stations with a known low adhesion risk

Answer 7

1) Forest Gate station

2) Brentwood station