Any truck rollover event has potential to cause harm to the truck operator, passengers and bystanders, it said.

For the three-year period between July 2013 and June 2016 approximately 91 rollover incidents of trucks were reported to the department.

This means that, on average, a truck rollover occurs in NSW every 12 days. Of the 91 incidents reported, 29.7% occurred at an open-pit coal mine and 13.2% of workers required medical assistance.

Mine Safety stated in an alert: “Mine operators should identify all work activities on the mine site where trucks are used and review control measures for truck rollovers. This review must be consistent with clauses 9 and 10 of the Work Health and Safety (Mines and Petroleum Sites) Regulations 2014 and should consider monitoring of risk controls to prevent a truck roll, including fitting speed-limiting controls; and correct tyre condition, type and pressures.”

Truck suspension systems should be in good order and appropriate for the environment and tipping areas should be level without cross grade, Mine Safety added.