Derailment between Hval and Hønefoss in Norway 25.07.2008

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Analysis of past derailments 06 May 2011 1 Derailment between Hval and Hønefoss in Norway 25.07.2008 Intermodal train 5505 between Oslo and Bergen derailed with 14 wagons due to a track in poor condition with wooden sleepers that had developed excessive track width. The derailment occurred on a freight only line 6 months after a track inspection wagon had diagnosed an excessive track width, but no remedial action had been taken. A very high temperature (30 deg C) at the accident day probably contributed to the excessive track width.

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Derailment between Hval and Hønefoss in Norway 25.07.2008. Intermodal train 5505 between Oslo and Bergen derailed with 14 wagons due to a track in poor condition with wooden sleepers that had developed excessive track width. - PowerPoint PPT Presentation

Transcript of Derailment between Hval and Hønefoss in Norway 25.07.2008

Page 1: Derailment between Hval and Hønefoss in Norway 25.07.2008

Analysis of past derailments

06 May 2011

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Derailment between Hval and Hønefoss in Norway 25.07.2008 Intermodal train 5505 between Oslo and

Bergen derailed with 14 wagons due to a track in poor condition with wooden sleepers that had developed excessive track width.

The derailment occurred on a freight only line 6 months after a track inspection wagon had diagnosed an excessive track width, but no remedial action had been taken.

A very high temperature (30 deg C) at the accident day probably contributed to the excessive track width.

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Analysis of past derailments

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Summing Up Comprehensive accident analysis

Provides structure for risk model

Provides data for risk model

Supported by conservative assumptions and sensitivity analysis to ensure results are robust

Questions?

Page 3: Derailment between Hval and Hønefoss in Norway 25.07.2008

Analysis of past derailments

06 May 2011

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End of Session - Any Questions

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Analysis of past derailments

06 May 2011

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Safeguarding life, property and the environment

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