Safety Of Personnel 13.2 Flashcards
What signal is to be referred to as the protecting signal, and which signals are referred to as an additional signal? (2)
- The signal that controls the entry to the portion of the line to be blocked.
- Any other signal that needs to be kept at danger.
When must you keep the previous signal to the protecting signal at danger with a reminder appliance? (2)
- If the site of work is less than 200 m from protecting signal.
- Any work that affects the safety of the line.
When can you allow the previous signal to the protecting signal, which has to be maintained at danger, to be passed at danger? (3)
- Train to reach a station.
- Train to reach a siding.
- Crossover being used for single line working.
Can you allow a line to be blocked when it is not clear of all normal/moving trains? (2)
- SBSI allows line to be blocked with a train section.
- You, COSS, IWA or PC are sure trains have passed the activity location.
Which forms of additional protection can be used as site of work additional protection? (3)
- Disconnection.
- TCOD
- EPR
If additional protection is to be provided by detonator protection, where will the COSS arrange for it to be placed? (2)
- Protecting signal or block marker.
- Clear of any points.
Once all details in NR3180 have been completed and repeated back, when can you give authority for the work to start? (2)
- Protecting signals placed to danger.
- Routes closed.
When should you test communications and what do you do if they fail?
Before the line blockage has been granted and refuse the line blockage request
When can you grant a line blockage at any time while you have a train in the line to be blocked? (2)
- The train has become disabled.
- The driver confirms that the train is at a stand and will make no further movement until authorised by the signaller.
