Tools and techniques

After identifying what might happen, possible causes and scenarios need to be considered. There are many ways an event can occur. It is important that no significant causes are omitted. Approaches used to identify risks and their causes include:

•  checklists;

•  judgements based on experience and records;

•  flowcharts;

•  brainstorming;

•  systems analysis; and

•  scenario analysis and systems engineering techniques.