What does hierarchy of control mean?
The hierarchy of hazard controls is a list which emphasises controlling a hazard at the source. This is done by giving preference to the use of the ‘engineering controls’ outlined in strategies 1 to 5. Engineering Controls • DESIGN. Try to ensure that hazards are ‘designed out’ when new materials, equipment and work systems are being planned for the workplace. • REMOVE the hazard or SUBSTITUTE less hazardous materials, equipment or substances. • ADOPT A SAFER PROCESS. Alterations to tools, equipment or work systems can often make them much safer. • ENCLOSE OR ISOLATE THE HAZARD through the use of guards or remote handling techniques. • PROVIDE EFFECTIVE VENTILATION through local or general exhaust ventilation systems. Administrative Controls • ESTABLISH appropriate ADMINISTRATIVE PROCEDURES such as: • job rotation to reduce exposure or boredom, or timing the job so that fewer workers are exposed • routine maintenance and housekeeping procedures • training on hazards and correct work pr
