Process Hazard Analysis

What Is PHA?

Process Hazard Analysis (PHA) is an organized and methodical approach to identify, evaluate & develop methods to control process hazards. It also helps to protect against process downtime, property damage, product quality issues, and adverse publicity from accidents. JOGI has conducted more than 500 assignments in  past 07 years on PHAs for a wide variety of facilities by using different PHA techniques. For betterment knowledge, we have designed in-house training programs by experts of such techniques. We are also giving On-site customized Trainings on different PHA topics.



  • For Pre-Identification and mitigation of Process Hazards and Risk
  • To check the compatibility of the process with environment and plant
  • To develop better and safer processes
  • It facilitates a full hazard analysis to increase the efficiency of plant/production
  • To comply with legal requirements



Method's Of PHA

  1. Bow-Tie Analysis (BTA)
  2. Event Tree Analysis (ETA)
  3. Fault Tree Analysis (FTA)
  4. Failure Modes, Effects, and Criticality Analysis (FMECA)
  5. Hazard and Operability Study (HAZOP)
  6. Hazard Identification (HAZID)
  7. Major Hazard Analysis (MHA)
  8. Preliminary Hazard Analysis (PHA)
  9. Process Hazard Review (PHR)
  10. Quantitative Risk Assessment (QRA)
  11. What-If Analysis

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