In an industrial plant where flammable liquids, gases and vapours, combustible dust or powders are handled, processed or generated, there will be inherent risks from fire or explosions. To have a fire or an explosion, there must be fuel present, the fuel must be mixed with an oxidant (typically the oxygen in the air) and an ignition source.
Navigating both earthing and bonding of electrical systems can, however, be a challenge and electrical sources of ignition are often overlooked.
There are accepted codes of practice that outline how earthing and bonding should be completed in hazardous zones. While these standards can be followed and best practices integrated into a process, how can we ensure that safety systems and processes continue to work at their full potential?
This document that seeks to acknowledge various hypothetical work-based scenarios in order to raise questions that should be asked when designing, implementing or maintaining equipment that requires earthing or grounding in hazardous zones.
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Sigma-HSE is an internationally recognised process safety company with ISO/IEC 17025 accredited testing laboratories. We provide fire and dust explosion data and our expertise covers a range of process safety solutions (testing, consultancy, training).
