Potential undetonated or misfired charge found

Safety Alert Type: 
Road Building/Deactivation
Adams Lake Woodlands (Shuswap Region)
Date of Incident / Close Call: 
Company Name: 
Details of Incident / Close Call: 

A new road construction contractor was hired to continue with an existing project. While exposing the surface area under the previously blasted material, a potentially misfired or undetonated charge was discovered.

Learnings and Suggestions: 
  • Upon discovering a potentially undetonated or misfired charge, immediately mark the area, and evacuate to a designated ‘safe zone’.
  • Implement effective traffic control on public roads (No Unauthorized Entry sign, barricade road from traffic).
  • Contact WorkSafeBC to report the potential hazard, and discuss required control measures to mitigate public exposure.

Best Practices to Follow:

  • Review blasting records to understand explosive type and hole pattern.
  • Ensure an excavator is on site after blasting, so area can be properly ‘mucked out’ and blaster can assess blasting success on all holes.
  • Educate non-blasting crews on what misfired holes or undetonated explosives look like.


For more information on this submitted alert: 

Erik Kok, Operations Superintedent



File attachments
Safety Alert-Interfor-Undetonated Charge Found-Adams Lake-Nov 21-2018.pdf
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