Summary: A haul truck ran into a grader while trying to pass it. Positive communications protocols were not followed. No injuries were reported but heavy damage was caused to each machine, including a burst tyre.
Recommendations to industry: Digital radio recordings and a review of equipment tracking data provided comprehensive evidence with regard to the sequence of events and the actions of workers operating the equipment involved in the incident. Review the recommendations for positive communications in Safety Bulletin SB18-06.