This group of failure modes relates to operator errors created or made worse by ergonomics of the mobile equipment or associated work area.  The types of failure mode identified include: 

  • Nuisance alarms from proximity/fatigue/other monitoring technologies; 
  • Awkward or restricted sightlines from operator position;
  • Changed operator behaviour (relying on immature technology such as fatigue monitors); 
  • Signage and other warnings not being sighted by operators/pedestrians.  

The business inputs recommended/identified as addressing these problems are listed.