Final answer:
A hazard assessment should be done when there is a change in the workplace, a new hazard is identified, or an accident or near miss occurs.
Step-by-step explanation:
A hazard assessment, or inspection, should be done whenever:
There is a change in the workplace that could affect the safety of employees
A new hazard is identified
An accident or near miss occurs
All of the above situations require a hazard assessment to ensure the safety of employees.
It is important for employers to identify and address any potential hazards to prevent accidents and injuries in the workplace.