Safety Critical Element Management Manual

1. Identify SCEs and performance standards
1.1
Identify the Major Hazards
This activity is started during the Asset’s Select phase, in which the initial risks are identified, leading to the controls (barriers)
which are required. SCE group identification and performance requirements are identified using best practice bow-ties. This is continued during the Asset’s Define and Execute phases, during which the detailed process design for the selected concept is completed, equipment is specified, and the Asset Register built.
The risk studies for the final design will be documented in the
Design HSE case, and following project completion will be further refined into the final Operations HSE case.
HEMP provides the framework for managing the major HSE
risks to be tolerable and ALARP, and identify the controls needed to manage the residual risk. During the process,
various HSE studies are undertaken and risks identified,
minimised and recorded in the risk register which is ultimately documented in the HSE Case (EP ST. As part of the HEMP, Major Hazards are identified using the
Risk Assessment Matrix shown in Figure 4 and described in more detail in the Group HSE Manual for Risk Assessment
Matrix. Note that Major Hazards which would lead solely to a consequence of business loss, i.e. loss of revenue, shall not to be considered when identifying SCEs.
EP 2009-9009
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