Mushroom Composting Facility Incident Animation | WorkSafeBC

This animated re-enactment shows the sequence of events of the workplace incident at a mushroom composting facility in Langley, B.C. Three workers died and two others were seriously injured when hazardous gases were released while workers were performing maintenance on a blocked pipe.

This educational video is a helpful training tool about the dangers of anaerobic conditions and hazardous gases — including hydrogen sulphide and carbon dioxide — and the dangers of confined spaces.

To view the incident investigation report summary, which provides information on the causes and underlying factors that led to this incident, visit https://www.worksafebc.com/en/resourc....

For more information and resources about addressing risks in this industry, visit: https://www.worksafebc.com/en/health-...

Timestamps:
0:00 Intro
0:31 Clearing a blocked pipe
1:07 The pipe system explained
1:45 Redirecting & collecting water to the containment area
2:17 Operational problems causing tank to fill with sludge
2:41 Protecting the pumps
3:08 The day of the incident – what happened?
3:35 Disconnecting the valve & pulling out material
3:58 A strange smell – the release of gas in a confined space
4:07 Worker 1 collapses, supervisor & worker 2 help
5:04 Additional workers come to help
5:56 Ambulance services arrive
6:29 First responders prevent further casualties
7:03 Removing five workers from the shed – three dead, two with serious injuries

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