Expert Hazardous Area Classification services with zoning, drawings, and ATEX/DSEAR compliance support.
Hazardous Area Classification (HAC) is a critical step in managing ignition risks and ensuring regulatory compliance in workplaces where flammable gases, vapours, mists, or dusts may be present. Arthian provides expert HAC services to help duty holders define zoning, select appropriate equipment, and maintain safe operations under DSEAR and ATEX regulations.
We support clients across high‑hazard sectors with:
Our approach is tailored to your site, substances, and operational context.
HAC is the process of identifying and categorising areas where explosive atmospheres may occur, based on the likelihood and duration of the hazard. It’s a legal requirement under the Dangerous Substances and Explosive Atmospheres Regulations (DSEAR) and the ATEX 99/92/EC Directive.
Effective classification helps:
We deliver comprehensive HAC support for new builds, operational sites, and regulatory reviews.
Accurate zoning is the foundation of HAC. We assess your site’s processes, substances, and release scenarios to define hazardous zones and produce clear, regulator‑ready reports.
Clear documentation is essential for compliance and ongoing safety. We produce detailed HAC drawings and records aligned with ATEX and DSEAR standards.
Equipment must be matched to the zones in which it operates. We review installed and planned equipment to ensure it meets zone requirements and ATEX certification standards.
HAC is most effective when aligned with broader safety strategies. We integrate HAC with DSEAR risk assessments and ATEX compliance to deliver a joined‑up solution.
Accurate zoning is the foundation of HAC. We assess your site’s processes, substances, and release scenarios to define hazardous zones and produce clear, regulator‑ready reports.
Clear documentation is essential for compliance and ongoing safety. We produce detailed HAC drawings and records aligned with ATEX and DSEAR standards.
Equipment must be matched to the zones in which it operates. We review installed and planned equipment to ensure it meets zone requirements and ATEX certification standards.
HAC is most effective when aligned with broader safety strategies. We integrate HAC with DSEAR risk assessments and ATEX compliance to deliver a joined‑up solution.
Yes. HAC is required under DSEAR and ATEX for any workplace where explosive atmospheres may occur.
HAC defines zones and equipment needs. DSEAR covers broader workplace risks, including ignition sources, controls, and training.
Yes. We produce detailed, regulator‑aligned documentation tailored to your site layout and operations.
We’d love to hear from you – whether you have a question, a project in mind, want to explore job opportunities, or just want to say hello.