The final step in terms of the bowtie’s
main elements is the addition of information that describes how the escalation factors are
These are similar to the other controls already described, the difference being that they
function in a different part of the diagram e.g. they control the escalation factors.
In our driving a car on a busy motorway example with the driver lacking the knowledge of how to
counteract the tyre blow out, a control for this could be advanced driver training is completed to
obtain this knowledge.
A control that manages the conditions which reduce the effectiveness of other controls.
Once the escalation factors are identified, the next step is to look at what controls we have in
place to manage them.
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