Measuring Exposures to Hand-Arm

and Whole-Body Vibration


Operating equipment which emits vibration can lead to conditions relating to hand-arm vibration syndrome (HAVS). 

HAVS is a collective name for conditions which are caused by exposure to excessive vibration over durations considered to be unsafe.

Vibration is a physical agent which is generated by the movement or friction of two surfaces which emits energy. Exposure can cause debilitating conditions such as Carpal Tunnel Syndrome and Raynaud's Disease.

Vibration that passes through the body is known as Whole-body Vibration, usually transferred through a seat or the feet of an employee. Exposures have been linked to causing conditions relating to musculoskeletal disorders, such as back and neck pains.

Exposures to vibration can be measured using specialist equipment. With the applied knowledge and experience of an occupational hygienists, safe tool and equipment usage can be determined by utilising the quantitive data to calculate trigger times and equipment usage times ensuring the users remain exposures are below the Exposure Action Value and Exposure Limit Values to remain compliant with the Control of Vibration at Work Regulations 2005.

Vibration Assessments
Workplace Scientifics can undertake detailed workplace vibration assessments to determine the following:
  • If the exposure action value of 2.5 m/s2 A(8), or the exposure limit value of 5.0 m/s2 A(8) for Hand-arm Vibration has been exceeded.

  • If the whole body exposure action value of 0.5 m/s2 A(8) is reached, or exposure limit value of 1.15 m/s2 A(8) has been reached for Whole-body Vibration.

  • The tool trigger times and safe equipment usage durations to help minimise daily exposures.

  • The measures that are required to help manage a suitable and sufficient vibration management program in line with the Control of Vibration at Work Regulations 2005.


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