Week 1 and 2 Flashcards
What are the different sections in the PON?
Amendments to the national operating publication
Miscellaneous instructions and notices
Amendments to the Sectional Appendix
What are the different sections of the WON?
STEGS
Safety Notices
Temporary Speed Restrictions
Engineering Arrangements
General Instructions and Notices
Signalling and Permanent Way Alterations
When reporting an accident what phrase must you start the call with and what 7 things must you state?
“This is an emergency call”
- name
- job title
- employer
- where are you speaking from
- telephone or call number
- exact location of the accident
- details of the accident
- which lines are definitely blocked
- which lines you think could be blocked
What is the definition of an axle counter?
A method of detecting the presence of a train or vehicle on a line. Track-mounted equipment, at each end of a portion of line, counts the number of axles passing over. This is used to identify when a portion of line is occupied or clear.
What is the principal of Approach Control?
The route can be set but the signal will not clear until the train occupies the track circuit
What is the purpose of a junction indicator?
Where is a junction indicator located?
A junction indicator is provided to show that a train is being signalled to a route to the left or right of the straight route
A junction indicator is normally located above the signal, and will display a line of white lights when a proceed aspect is displayed
What does a route indicator display and what can they be associated with?
A route indicator will display either a letter or a number to show the route onto which the movement is being signalled
Route indicators may also be associated with a junction indicator
When do you test emergency alarms and indicators?
When do you not need to test emergency alarms and indicators?
Between 1000 and 1100
If shown in the SBSI
When do you test TPWS failure indication?
At the start of your turn of duty
When do you test clocks?
When do you not need to test clocks?
Between 0900 and 1000
If the clock is an automatic setting clock
What do you do if the TPWS indication unit fails its test or the mains power fails?
You must tell the signalling technician immediately
You may continue working normally
What must you do do when receiving an emergency alarm? (TS2 Reg 3.1.4)
- You must place or keep necessary signals to danger
- Send radio messages, if necessary
- Inform other signaller, if necessary
AWS Visual Indicator (RS522/Reg 1.3)
What does the black indication mean?
The black indication advises the driver that the associated signal is a green aspect or ‘all clear’
It also advises the driver that the audible warning has not been acknowledged and, if not acknowledged, the brakes will be applied
AWS Visual Indicators (RS522/Reg 1.3)
What does the yellow and black indication mean?
The yellow and black indication advises the driver that a warning indication has been acknowledged
When can you allow a train carrying passengers to enter a goods line or goods loop? (TS1 / Reg 11.1)
- if the arrangements have been published
- in an emergency if authorised to do so by the signal box supervisor or Operations Control