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Derailment between Hval and Hønefoss in Norway 25.07.2008

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.

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Derailment between Hval and Hønefoss in Norway 25.07.2008

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  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.

  2. 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?

  3. End of Session - Any Questions

  4. Safeguarding life, property and the environment www.dnv.com

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