Dangerous Incident Report

Summary: A light vehicle rolled after contacting a light vehicle bund. The driver reported having a microsleep while returning to the muster area at the end of night shift. The operator had just had woken up from a fatigue break that was taken in the vehicle.

Recommendations to industry: The fatigue management procedure should detail the requirements when operators take fatigue breaks in vehicles to manage the risk of subsequent microsleeps. When working in remote areas workers should be in direct communication with supervisors.