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Train derailment (Threat: inadequate rolling stock, track and signalling…
Train derailment
Threat: inadequate rolling stock, track and signalling equipment maintenance
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PB: maintenance regime developed in consultation with technical experts, vendors and suppliers
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Consequence: passengers, employees, bystanders injured or killed
CB: rail operator employees (particularly senior management) practised in emergency scenario response
CB: emergency response crews practised and trained in catastrophic scenario management (police, ambulance, fire and rescue etc)
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CB: onlookers and members of the public kept out of incident scene so as not to escalate number of casualties
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CB: relationship with external emergency organisations established and maintained in advance of emergency
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Consequence: immediate infrastructure, equipment or machinery damaged or destroyed
CB: maintain sufficient contingency within operating train fleet (number of locomotives and carriages)
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CB: maintain relationships with other rail providers to potentially assist in the event of a catastrophic scenario in terms of supplying equipment and trained personnel
CB: devise and maintain alternate route options to allow for recommencement of operations when safe to do so
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Consequence: significant psychological distress for employees, victims and their families
CB: establish relationship with professional psychological support provider before a catastrophic scenario
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Consequence: nearly infrastructure, equipment or machinery damaged or destroyed
CB: work with other agencies and neighbouring businesses in order to risk assess potential catastrophic scenarios
Consequence: significant psychological distress for emergency response personnel (ie. first responders)
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Key: PB (protective barrier), EF (escalation factor), EFB (escalation factor barrier), CB (consequence barrier)
Granville disaster investigation identified poor track maintenance as the primary contributing factor to the event - dogspikes holding wooden sleepers in place had allowed movement of rail over time, thereby allowing excessive lateral forces (separation) of track as the train passed over it, causing the front right hand wheel of the lead locomotive to derail and carriages to follow (Halgren, 2015)