Table 1: Risk evaluation of the current situation using FMEA.

Failure Failure type Risk Current state
P S D RPN
F1 Operator does not check the vehicle mirrors warning systems Work machine crashes while truck or LHD is turning 4 8 5 160
F2 Lack of control of roof and support in working environment Roof falling and it threats workers and machines 4 9 5 180
F3 Lack of warning noise in reverse turning in vehicles Risk of crushing of workers in the loading area 4 8 6 192
F4 The operator does not lower the moving equipment of the machine to the ground when machine stops Fall down of moving equipment and accident risk 5 8 4 160
F5 Failure in gallery slopes Risk of overturning of vehicles 5 8 6 240
F6 Insufficient gallery widths Crash of vehicles to the side walls of the gallery and risk of injury to the operator and workers 5 8 5 200
F7 Lack of warning signs and reflective signs on galleries Vehicles crash to the side wall of the gallery 6 6 5 180
F8 Lack of lighting Vehicles crash to the side wall of the gallery and workers 6 7 4 168
F9 Blind spot Risk of crushing workers in reverse turning 7 8 9 504
F10 Dust Occupational illness risk and vision disruption due to dust 7 7 5 245
F11 Lack of maintenance Risk of accident due to unexpected breakdown of vehicles 6 8 8 384
F12 Rock particles Risks to be caused by rock particles in production 6 7 4 168