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On 5 December 2012, containerised grain train 8448N, travelling from Gilgandra to Walsh Island (Newcastle) was undergoing a roll-by examination at Gulgong, NSW, when inspectors noted a significant structural failure within the number-20 wagon of the consist. The wagon (SQDY 00060-G) had fractured transversely through the central box section main longitudinal member.

The NSW Office of Transport Safety Investigations (OTSI) was responsible for investigating this occurrence. To facilitate the examination of the technical and metallurgical aspects of the failure, OTSI requested assistance from specialist staff at the Australian Transport Safety Bureau (ATSB). To facilitate that assistance and afford the necessary protections to any sensitive information obtained during the course of the work, the ATSB initiated an External Investigation under the provisions of the Transport Safety Investigation Act 2003.

On 16 January 2013, an ATSB specialist examined the failed wagon (and a second wagon that had presented cracking) alongside representatives from OTSI, the NSW Rail Safety Regulator and the wagon maintenance provider. Subsequently and throughout the investigation, the ATSB provided advice and commentary; including a review of the draft investigation reports and a failure investigation report commissioned by the operator.

The NSW Office of Transport Safety Investigations is responsible for releasing a final investigation report into this occurrence – all inquiries regarding the investigation or the report release should be forwarded to the OTSI.

 
General details
Date: 05 December 2012 Investigation status: Completed 
 Investigation type: Occurrence Investigation 
Location   (show map):near Gulgong  
State: New South Wales  
Release date: 24 October 2013 Occurrence category: Technical Analysis 
Report status: Final Highest injury level: None 
 
 
 
 
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Last update 25 January 2017