Hazard & Risk Explained

Hazard

Anything that has potential to cause harm to people, property, processes and environment.

Types of Hazards:

• Physical hazard (Noise, vibration, Electricity, Temperature &Lighting) 
• Chemical hazard (Gas, Dust &Smoke)
• Biological hazard (Virus, Bacteria, Fungi &Mold), 
• Psychological hazard (fatigue, stress) 
• Ergonomics (strain and work pressure) 
• Environmental hazards ( dust, smoke) 
• Mechanical hazards (ENTICE: Entanglement, Trap, Impact, Contact and Ejection).

Risk

Risk can be define as the combination of likelihood a hazardous event occurring and the consequences or severity of that event. 

Risk = likelihood * severity

Likelihood: measure of frequency at which the hazardous event occur

Risk Classification:

• High Risk(unacceptably high)

Intolerable losses to people, process, assets, environment and Reputation.

• Medium Risk

Acceptable must be managed to ALARP (as low as reasonably practical)

• Low Risk

Acceptable without any further actions.

• Residual Risk

The risk after applying control measures.