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Principles of Risk Assessment - Coggle Diagram
Principles of Risk Assessment
Risk Assessment
Quantitative
Assessment
measures and
objective observation
statistics of the past
incident/accident history
Qualitative
Assessment
expert judgement
Subjective - frequency & magnitude
Risk
= Hazard (Consequences) X Exposure (Likelihood)
HIRARC
Process
Implement
Prepare Risk Control Action Plan
Risk Assessment
Identify Hazards
Consultation
Employer
Representative
Worker
Representative
Classify work activities
What is
Risk?
Types
1. Unknown risk
Consequences not known / not fully understood
Genetic engeneering
Nucleur power
2. Concealed or unconscious risks
false sense of security
Ionizing radiation
Occupational disease
3. Conscious risk
4. Predictable Risk
5. Temporary risks
Bayers theorom
Probability of an event
based on
prior knowledge of conditions
Related to the event
Risk evaluation
on going process
Never be avoided
all the human activities
All decision making process
Managed
Subjective
- not objective
Risk attitude