COMAH Support


ESR Technology offers you a full range of technical and management expertise to implement COMAH requirements successfully.

ESR Technology has undertaken COMAH Report work for a wide range of top-tier industrial facilities including major refineries.

This has involved the preparation of SMS descriptions, hazard analysis, risk assessments and the development of emergency plans. We have also successfully undertaken more than 100 risk assessment studies of oil and gas plants and installations.

Our support includes: 

  • COMAH applications and threshold calculations
  • Hazard Identification (HAZID) and Hazard & Operability (HAZOP) studies
  • Layer of Protection Analysis (LOPA) and Bowtie workshops
  • Scenario-based or full Quantified Risk Assessments (QRA)
  • Computational Fluid Dynamic (CFD) analysis
  • Occupied Building Risk Assessments (OBRA)
  • Environmental risk assessment of Major
  • Accidents to the Environment (MATTE)
  • Human Factors Assessments
  • Major Accident Prevention Policy (MAPP) preparation / review
  • Safety Management Systems (SMS) review
  • Identification of preventative and mitigating barriers and controls
  • ALARP demonstration and cost benefit analysis

ESR Technology has a range of consequence models to facilitate COMAH report preparation.


For more information please download our COMAH Flyer.

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