Standard for angular discontinuity at mechanical joints
Date issue released
Safety Issue Description

The network’s track geometry standard did not include any specific requirement to limit a localised lateral angular discontinuity in rail line at a mechanical joint.

Issue number
RO-2016-002-SI-02
Transport Function
Rail: Passenger - metropolitan
Issue Owner
Metro Trains Melbourne
Mode of Transport
Rail
Issue Status Justification

The safety action taken by MTM in combination with other actions pertaining to track maintenance should reduce risk associated with the safety issue.

Proactive action
Action number
RO-2016-002-NSA-004
Organisation
Metro Trains Melbourne
Action date
Action Status
Closed
Action description

Metro Trains Melbourne (MTM) has revised its track fault management system to include specific guidance on the risk of fault clusters and wheel-climb risks. The revised procedures address the identification and removal of misaligned fishplated joints.