PR S 40008 Flashcards
Securing signalling apparatus out of use
when do you need to secure signalling apparatus
when being worked on or involved in a incident.
what are the three ways to secure signalling apparatus out of use
applying blocking facilities
disabling of signalling apparatus
booking signalling apparatus out of use
how can blocking facilities be applied. when is it used, give some examples
lever sleeves, covers for push buttons, virtually for ATRICS. Used when testing/rectification in a failure won’t impact the safe running of trains. Initial protection of an incident.
how do you disable signalling apparatus. when is it used, and give some examples.
By removing electrical power or air to motors, mechanisms or control devices. mainly for maintenance or testing.
example is disconnection of signal lights, level crossing protection equipment through test switch or manual operation, releasing switches.
how is signalling apparatus booked out of use. when is it used and give some examples.
By the use of an IBA and a formal agreement with the signaller. when a secure method of protection is required. disabled signalling apparatus requires handsignallers, signalling apparatus requires total disconnection from interlocking, signalling apparatus is disarranged, the integrity of signalling is in doubt.
can points be adjusted without being booked out.
yes a minor adjustment, which must be completed in between trains and not longer than 30mins. The signal in the rear must also be disabled for the duration of the work.
How are ETCS balises booked out
ATP balises Kilometrage to kilometrage or signal to signal
ASDO balises station platforms
Trainstop balises the associated signal
what is the length of time signalling apparatus can be booked out of use.
6 weeks. then it must be advertised in the weekly notice
when can someone else certify the equipment into use
a commissioning engineer follows the processes and procedures found in PR S 47110.
what must be done before signalling apparatus is booked back into use
it must be thoroughly tested in accordance with PR S 40010 and PR s 47110
