Pipeline transportation

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Pipeline transportation safety investigation report

Pipeline transportation safety investigation P24H0018

The occurrence

On 16 April 2024, at approximately 1045 Mountain Daylight Time, a 36-inch (914 mm) pipeline owned by NOVA Gas Transmission Ltd. transporting sweet natural gas ruptured about 36.5 km northwest of Edson, Alberta. Following the rupture, the natural gas ignited, resulting in an explosion and fire. Approximately 5 980 000 m3 of natural gas was released. There were no injuries, and no evacuation of members of the public was required.

Pipeline occurrence datasets from January 1979

With a view to advancing transportation safety, the TSB is publishing data from its Pipeline Occurrence Database System (PODS) on reportable accidents and incidents (which together are called occurrences) for use by industry and the public. The TSB gathers these data in the course of its investigations and uses them to analyze safety deficiencies and identify risks in the Canadian transportation system.

Background and Fact Sheet for the Pipeline Investigation Report No. P00H0061

Compressor Station Occurrence, East Hereford, Quebec 28 December 2000

The sole mission of the Transportation Safety Board of Canada (TSB) is to advance safety through the investigation of accidents or incidents in the marine, pipeline, rail and air modes of transportation. As a result of the detailed investigation into the pipeline occurrence in East Hereford, Quebec, significant safety actions have already been taken to make the system safer. These actions include:

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