Major Hazard (severity 5 or red risk) Those hazards, i.e. substances, activities, operations or conditions which are assessed as having a consequence severity of 5 or risk ranking of red, as defined in the Group ‘Risk Assessment Matrix (RAM. Safety Critical Element (SCE) (also known as ‘HSE Critical Element’) An item of equipment or structure whose failure could lead to the release of a Major Hazard or whose purpose is to prevent or limit the consequences of a major incident, excluding business loss. The term SCE has the same meaning as the term HSE Critical Element, as used in the EP ST HSE case standard and in the EP SP HSE glossary of definitions. Note The SCE Management processes described in this manual only deal with hardware and equipment related software or logic systems, e.g. hydrocarbon containment systems, primary structures, fire and gas detection and protection, separation distances, evacuation systems, and do not include safety management systems, processes and procedures.
