Hand-arm vibration assessment

A hand-arm vibration assessment should identify vibrating tools, realistic vibration magnitude, daily trigger time and the workers exposed. Repeated exposure can cause permanent vascular and nerve damage, including loss of sensation and grip. The Control of Vibration at Work Regulations 2005 set an exposure action value and limit value and require risk to be eliminated or reduced so far as reasonably practicable. Do not use total shift length as trigger time or treat catalogue data as automatically representative. Measure or obtain suitable data for the tool in its actual condition and calculate daily exposure. Select lower-vibration methods, maintain consumables, rotate only where it truly reduces individual exposure, and provide health surveillance for workers who remain at risk.

In short

A risk assessment identifies what could cause harm in your work, who could be harmed and how, and what you do to control the risk. Every employer must make a suitable and sufficient assessment; with five or more employees the significant findings must be recorded.

What it must include

  • ✓The hazards in the activity or workplace
  • ✓Who might be harmed and how
  • ✓Existing controls and further action needed
  • ✓Risk rating (e.g. 5x5 likelihood x severity)
  • ✓Who does what by when
  • ✓Review date and when to review sooner
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1

The assessment

Activities involvedOptional

Tick any work being done, such as electrical work or painting, to add its hazards. For building work, a RAMS also gives you the method statement.

2

Your details

3

The activity

4

Emergency arrangements

Leave blank and the document reminds you to confirm them on site.

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Questions

What is trigger time?

It is the time a worker’s hands are actually exposed while the tool operates, not the whole time the tool is nearby or available.

Do anti-vibration gloves solve HAVS risk?

No. They may keep hands warm but should not be relied on to reduce vibration exposure unless supported by sound evidence.

What symptoms should workers report?

Tingling, numbness, loss of sensation or grip and fingers whitening in the cold should be reported promptly for competent follow-up.

Guides

Sources

Page updated 2026-10-04.

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