DSEAR Area Classification

DSEAR Area Classification

Hazardous Area Classification is a process for identifying areas in the workplace that have potential to cause loss from ignition of flammable atmospheres (gases, vapours and dusts) by equipment. IEC 60079-10-1 (for gases and vapours) and IEC 60079-10-2 (for flammable Dusts) are utilised to perform area classification.

Typically, areas are analysed and classified into differing degrees of risk, and are ‘zoned’ under this analysis. There is a three zone system agreed internationally, which corresponds to the three categories of equipment in current UK and EU legislation.

The Area Classification Process

The process can be broken down into 8 logical steps to follow, and CSA Group will guide you through it every step of the way:

•Identify materials’ properties
•Confirm layout of plant
•Identify sources of release
•Assess the degree (zone) of risk
•Assess the extent of the zone
•Write a report of the findings
•Define the results on an area classification drawing
•Check the ‘as-built’ conditions

Both the report, and the drawings need to be kept ‘live’ in order to continually monitor and update them. They therefore need to be linked to ‘management of change procedures’.

Our area classification services involves a  team approach, made up of members of your own management as well as those with plant knowledge and experience. We work with you from the outset, and ensure that your in-house DSEAR team is fully involved in the project, enabling them to understand the DSEAR requirements and help them make informed decisions when it comes to maintaining the plant in the future.

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