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Hazards and risks

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​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Schools are involved in many activities that present a range of hazards. These hazards and associated risks must be managed to ensure the safety of staff, students and others. Information about managing common hazards is included in this section.

Topics

The following sections include departmental procedures and guidelines, resources, legislation and related links. Access each subject area for more information.​​​

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Noise

Excessive noise is unwanted sound that may damage a person's hearing. Damage to hearing generally occurs gradually over a number of years and may remain unnoticed until it is too late.

Exposure to excessive noise is cumulative. If you have already been exposed to excessive noise at work and then expose yourself to more noise during gardening, hobby or leisure activities (including listening to music/audio through headphones at high volume), your chances of sustaining noise-induced hearing loss are substantially increased.

Noise-induced hearing loss is slow and painless and it is permanent. There is no cure but it can be prevented.

The loudness of sound is measured in units called decibels. Noise-induced hearing loss can be caused by a one-time exposure to very loud sound or by repeated exposure to sounds at various volume levels over an extended period of time. Examples of decibel levels include: normal conversation is approximately 60 decibels, the humming of a refrigerator is 40 decibels, heavy city traffic noise can be 85 decibels, a lawn mower is on average 90 decibels and a leaf blower approximately 110 decibels.

Schools need to identify activities that generate excessive noise levels and implement and maintain measures to prevent noise induced hearing loss. Management of noise should include:

  • researching and determining noise levels of equipment prior to their purchase and trying to 'buy quiet'
  • redesigning tasks so that staff are not exposed to loud noise over extended periods
  • repairing and maintaining equipment and machinery to reduce their noise levels
  • provision of personal hearing protection and training for relevant staff in the correct use and storage of the hearing protection.

Information to support students who are Deaf or hard of hearing can be found on the deaf and hard of hearing page.

Resources

Legislation and other links

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Last updated 12 March 2025