3. Risk Analysis: Frequency + Probability + Severity Frequency Probability Severity How severe could an How often is the work How likely is an incident incident be? What process/task done or to occur? would be the most likely hazard encountered? outcome? Catastrophic: Death, Probable: Likely to occur widespread occupational 4 Frequently (i.e. daily) 4 4 immediately or soon illness or injury, or loss of facilities Critical: Serious illness or Reasonably Probable: injury resulting in lost 3 Often (i.e. weekly) 3 3 Likely to occur eventually time or restricted work, or damage>$25,000 Marginal: Moderate illness or injury requiring Occasionally (i.e. Remote: Could occur at 2 2 2 medical aid, or monthly) some point Negligible: Minor illness Extremely Remote: 1 Rarely (i.e. annually) 1 1 or injury requiring first Unlikely to occur aid, or damage<$1,000 Risk Ranking (total of checked values): 3-6:Minor 7-9:Moderate 10-12:Major
3. Risk Analysis: Frequency + Probability + Severity Frequency Probability Severity How often is the work process/task done or hazard encountered? How likely is an incident to occur? How severe could an incident be? What would be the most likely outcome? Frequently (i.e. daily) 4 Probable: Likely to occur immediately or soon 4 Catastrophic: Death, widespread occupational illness or injury, or loss of facilities 4 Often (i.e. weekly) 3 Reasonably Probable: Likely to occur eventually 3 Critical: Serious illness or injury resulting in lost time or restricted work, or damage>$25,000 3 Occasionally (i.e. monthly) 2 Remote: Could occur at some point 2 Marginal: Moderate illness or injury requiring medical aid, or 2 Rarely (i.e. annually) 1 Extremely Remote: Unlikely to occur 1 Negligible: Minor illness or injury requiring first aid, or damage<$1,000 1 Risk Ranking (total of checked values): 3-6:Minor 7-9:Moderate 10-12:Major
Field-Research-Planning-Guide.docx