Protection Documents in line with ATEX Directive 153 and advises on electrical and mechanical equipment selection to BS EN 60079 standards. NExUS undertakes compliance gap analysis of legacy plants to identify fire and explosion risk and documentation shortfalls. It also offers process safety and high-hazard advisory support, including HAZOP, LOPA and functional safety input. Further services cover COMAH project delivery, end-to-end project management in live plants, contractor management, and technical file and conformity support for machinery and process plant.