The HAZOP (Hazard and Operability study) methodology in the industry has been widely accepted as a structured and thorough evaluation approach to identify hazards and hazardous events, combined with the sequence of events leading to the hazardous event.
PHAx guides users through the HAZOP process, effectively focusing the user on the task at hand, identifying hazards, hazardous events, and associated sequence of events, using a non-traditional approach. PHAx allows the user to document the relevant and important facts.
With PHAx, users can assign attributes to safeguards and recommendations that identify them as potential SIFs or Alarms. This will allow for a simplified transition between the PHA phase in the safety lifecycle to the SIL selection and Alarm rationalization phases with direct data exchange with the exida exSILentia® and SILAlarm tools.