As an employer you need to regularly assess, record, and review hazards, i.e. any potential or actual source of harm whether it's a process, the location, a situation, equipment, or a person's behaviour. Your own industry might also have best-practice guidance for this. Getting staff input will enhance hazard management and help determine whether a hazard is significant, i.e. whether it could lead to serious harm. Your records should list any work injuries that have occurred. If serious harm occurs on a work site, your investigation will need to identify any significant hazard that may have caused the event. Your health and safety system must show employees existing hazards, and new hazards preferably before they arise.
Protect Employees From Hazards
If a significant work site hazard can't be removed (i.e. eliminated), or blocked from human interaction (i.e. isolated), you must:
Protective equipment covers items not usually worn by people, e.g. masks and hearing protection. Protective clothing means items usually worn but which have additional protection, e.g. hard hats, safety boots, overalls which protect against toxic substances, but not overalls which only protect against dust and dirt.
You must not:
Health and Safety in Employment Act 1992 (NZ), sections 7-11
Source: WorkSafe NZ