Rail safety issues and actions

Check notes and plan information

Issue number: RO-2009-009-SI-07
Who it affects: Rail infrastructure managers and signal system designers
Issue owner: Australian Rail Track Corporation
Transport function: Rail: Operations control
Background: Investigation Report RO-2009-009
Issue release date: 20 January 2011
Current issue status: Adequately addressed
Issue status justification:

Action taken by the ARTC has adequately addressed this issue.

Safety issue description

Where a signalling design has implicit safety requirements that need to be validated onsite, field testers should be provided with comprehensive check notes and/or clearly annotated information that ensures specific testing requirements are not omitted.

Proactive Action

Action number: RO-2009-009-NSA-029
Action organisation: ARTC
Date: 20 January 2011
Action status: Closed

The Australian Rail Track Corporation has advised that the following actions will be taken with respect to future signal design work. Checking of Clearance Points between Design and field, by Checking Engineers to be formalized.

This to be included in the Principles Test verification. The Track Insulation Plan to be verified as part of the Principles Test.

The Commissioning work Instruction and ITF 13/5 to be amended to explicitly indicate when a Clearance Point commissioning test is required. The use of a plate to permanently identify the location of the fouling point be considered.

The Track Maintenance Standards, Examination Standards and Work Schedules be amended to include verification of the clearance at appropriate time intervals or after specific maintenance activities or events.

ATSB comment:

The Australian Transport Safety Bureau is satisfied that the action taken by the Australian Rail Track Corporation adequately addresses the safety issue.

Last update 11 January 2016