Upcoming System Maintenance

EnergySafetyCanada.com will be undergoing scheduled maintenance on Monday, March 25 from 9:00 pm to 11:00 pm MT. This may affect access to the website and online courses. Thank you for your understanding.

Resource Search Resource Search

Worker Seriously Injured During Water Transfer Pigging Operation

During pigging operations on a temporary water transfer line, a pig became stuck due to an ice blockage and pressure was trapped upstream of the pig. When it was freed, the pig and trapped pressure behind it traveled down the line causing a loose clamp to unfasten. The pressure release caused the disconnected hose to swing and strike a worker on the leg, causing serious injury.