NR/L2/SIG/30009/E420
Signalling Principles Handbook: Overrun Detection and Management
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| Organization: | NR |
| Publication Date: | 2 March 2019 |
| Status: | active |
| Page Count: | 20 |
scope:
This module applies to the proposers of change and to those undertaking alterations to signalling infrastructure.
Purpose
This module forms part of the Signalling Principles Handbook (SPH: NR/L2/SIG/30009) and is to be read in conjunction with the other modules of the handbook and the reference documentation.
This module describes appropriate facilities to identify and operationally manage occurrences of a train overrunning a limit of movement authority (SPAD).
Operational interventions are defined to apply emergency withdrawal of movement authority of trains which may conflict with the overrunning train to reduce the risk of conflict. Also defined are the facilities to enable the management of the incident following the intervention.
Document History
NR/L2/SIG/30009/E420
March 2, 2019
Signalling Principles Handbook: Overrun Detection and Management
This module applies to the proposers of change and to those undertaking alterations to signalling infrastructure.
Purpose
This module forms part of the Signalling Principles Handbook (SPH:...
March 7, 2015
Signalling Principles Handbook: Overrun Detection and Management
These requirements apply to all alterations to signalling installations. A decision contrary to this module specifically requires the approval of Network Rail's Professional Head (Signals and...
December 4, 2010
Signalling Principles & Application Handbook
This specification applies to all alterations to signalling installations.
SPAD alarms, in accordance with NR/L2/SIG/11130, shall be provided whenever a panel or VDU based system is provided....