This activity will demonstrate the different measures available to control risks.
Real-world situations may require a combination of different control measures that together provide the highest level of protection that is reasonably practicable.
The most effective control measure is to simply remove the hazard or hazardous work practice.
By designing-in or designing-out certain features, hazards may be eliminated.
In practice it is not always possible to eliminate a hazard
- hence the need for other control measures.
Replacing a hazardous process or material with one that is less hazardous will reduce the hazard, and hence the risk.
In this case, a stovetop kettle is an acceptable substitute to the electric kettle.
Preventing workers from coming into contact with the hazard will reduce the relevant risks.
For example, erecting a barrier around a piece of dangerous equipment will reduce the risk associated with its operation, while a barrier around a piece of malfunctioning equipment will (hopefully) prevent anyone from using it.
Using engineering control measures can minimise risk, for example repairing faulty equipment and/or installing residual current devices to reduce the risk of receiving an electric shock.
Administrative controls involve the top-down implementation of safe work practices to control the risk, for example establishing exclusion zones, and using permits and warning signs.
Administrative measures are only effective to the extent that people follow instructions.
PPE includes protective eye wear, insulated gloves, hard hats, aprons and breathing protection.
Similarly to administrative controls, protective equipment is a limited solution as it relies on people using the equipment properly, and the equipment itself being maintained in good condition.