Hazardous Area Classifications are conducted on areas where potential dangerous concentrations of flammable gas, vapours or combustible dust may develop or accumulate. These areas are susceptible to the risk of explosion when a hazardous release occurs and an ignition source is present or introduced. Therefore adequate and effective engineering and administrative protective measures must be taken by ensuring the following:

  • Identification of flammable material leak points or combustible dust sources
  • Determination of the level of risk
  • Classification of the hazardous area based on the level of risk or standard prescribed distances
  • Identification of potential ignition sources inside the hazardous area (electrical and non electrical; fixed and mobile)
  • Engineering of ignition sources that cannot be removed in order to minimise the risk of explosions (Ex equipment classification)
  • Safety management system for maintaining acceptable residual risk levels (Ex electrical dossier, asset integrity management, permit-to-work systems, competence, etc.)

AMOG has specialist skills and experience in classification and management of Hazardous Areas. AMOG staff meet AS/NZS 4761 requirements with appropriately nationally recognised competencies. AMOG has extensive experience in Hazardous Area Classification in mining, manufacturing, process, Major Hazard Facilities and Defence. These classifications are carried out in accordance with the relevant Regulations and Standards, such as the AS/NZS 60079 series of Standards.

Some of our Hazardous Area Classification and Management services include:

  • Site Inspections and Field Surveys of Hazardous Areas
  • Risk Assessment Workshops
  • Development of Classification Plan Drawings
  • Hazardous Areas Analyses in Accordance with Current Standards
  • Conformance Assessments and Compliance Audits
  • Review and Development of Hazardous Area Management Systems

In complex cases, AMOG has the ability to conduct gas, vapour and dust dispersion modelling to allow the ability to establish the extent of hazardous zones in complex areas.  Furthermore AMOG can undertake blast modelling as part of the Hazardous Area Classification.