Definition of 908 Blocking
“Blocking” means holding signals at stop or points set to prevent rail movements from entering a section of line. Controls to points and signals are tagged / blocked / collared, to prevent the signals from being cleared and points moved.
What are the three forms of 908 blocking occupations?
What is the definition of a Proceed track occupation?
Movement must only proceed in the direction specified. Hi-Rail Vehicles and Trolleys may set back short distances of up 100 metres within the limits of the proceed authority provided the movement is able to stop within half the clear visible distance and clear of any obstruction.
What is the definition of a Work Between track occupation?
Movement may work in either direction between the locations specified. The movement must not enter a station or siding which is a limit of the authority unless authorised to do so.
What is the definition of a Work At track occupation?
The authority is provided for work happening at one location only.
What are the three steps for applying 908 blocking?
What is required in a rule 908 enquiry? (7)
ITOLOTN
What information included in a 908 track call? (7)
What are the pre-authorisation checks for 908 blocking. (5)
What is the sequence for issuing a Mis60? (7)
What is the process for cancelling a Mis60? (5)
What are the safety checks prior to issuing a Mis60? (6)
What process is used to re-issue / amend a Mis60? (4)
What are the names of the CSP boards and where are they located?
What are the RPO’s Train Controller’s responsibilities if a compulsory stop board is located at a signal. (2)
2
What is 905 CSP used for? (2)
What protection may be used for placing CSP boards? (4)
What 3 safeguards should be applied when MTMVs are berthed / stabled / working within station limits or in a siding?
What rules apply to HRVs carrying out rail greasing? (2)
When may ITD be used? (3)
What is ITD?
Individual Train Detection is the minimum qualification required to move and work unsupervised on the rail corridor.
What activities are permitted using Foul Time? (3)
What is a SWA01 used for? (5)
What is a SWA02 used for? (3)