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Design of turnouts – MYD882 and MYD887

Issue number: RO-2014-013-SI-02
Who it affects: All rail transport operators throughout Australia
Issue owner: V/Line
Operation affected: Rail: Infrastructure
Background: Investigation Report RO-2014-013
Date: 14 May 2015

Safety issue description

The design of the VCA type 37 mixed gauge turnouts (MYD882 and MYD887) was such that they were not suitable for use by rolling stock with a 127 mm rimmed wheel.

Proactive Action

Action organisation: V/Line
Action number: RO-2014-013-NSA-011
Date: 09 April 2015
Action status: Monitor

V/Line is developing technical and performance requirements for all crossing work, including dual gauge. This will include:

  • Minimum Wheel/rail cover requirements;
  • Performance requirements for fixed spreaders and gauge retention mechanisms;
  • Performance requirements for flange back guarding/checking mechanisms; and
  • Desirable and absolute limits for design gauge.
  • These will be issued to projects and external suppliers prior to receiving designs or type approval applications for review.

ATSB response:

The ATSB is satisfied that the actions proposed by V/Line will, when implemented, adequately address this safety issue.

   
Current issue status: Safety action pending
Status justification:

At the time of this report release, the safety actions advised by V/Line had not yet been fully implemented.

 
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Last update 14 May 2015