Process of HIRARC requires 4 simple steps :
a. classify work activities;
b. identify hazard;
c. conduct risk assessment (analyze and estimate risk from each hazard), by calculating or estimating;
- likelihood of occurrence, and
- severity of hazard;
d. decide if risk is tolerable and apply control measures (if necessary).
Severity is outcome from an event such as severity of injury or health of people, or damage to property, or insult to environment, or any combination of those caused by the event.
Severity can be divided into five categories. Severity are based upon an increasing level of severity to an individual’s health, the environment, or to property. Table B indicates severity by using the following table.
Table B
