Toolbox Talks · Mandatory · Construction

Toolbox Talk — Noise and Vibration

A toolbox talk on noise-induced hearing loss and hand-arm vibration syndrome (HAVS).

Last reviewed: 29 March 2026 — This guide reflects UK law as of this date. Noise Regs 2005 / HAV Regs 2005 remains current with no amendments enacted as of 29 March 2026. Next scheduled review: 29 March 2027.

1. Silent Dangers that Cause Permanent Harm

Noise-induced hearing loss and Hand-Arm Vibration Syndrome (HAVS) are two of the most common occupational diseases in construction. Both cause permanent, irreversible damage. The Control of Noise at Work Regulations 2005 and the Control of Vibration at Work Regulations 2005 set clear exposure limits and require employers to take action long before those limits are reached.

For noise, the Regulations define three action levels. The Lower Exposure Action Value (LEAV) is a daily or weekly personal noise exposure of 80 dB(A) — at this level, employers must make hearing protection available and provide information and training. The Upper Exposure Action Value (UEAV) is 85 dB(A) — at this level, hearing protection zones must be established, hearing protection is mandatory, and health surveillance must be provided. The Exposure Limit Value (ELV) of 87 dB(A) must never be exceeded (measured at the ear, taking account of hearing protection).

For hand-arm vibration, the Exposure Action Value (EAV) is 2.5 m/s² A(8) and the Exposure Limit Value (ELV) is 5 m/s² A(8). HAVS develops gradually through repeated use of vibrating tools — symptoms include white finger (blanching of the fingertips), tingling, numbness, and loss of grip strength. Once established, the damage is permanent and progressive even if exposure stops.

Hearing loss is permanent and irreversible — there is no cure

Unlike many workplace injuries that heal over time, noise-induced hearing loss is permanent. The damage occurs to the hair cells in the cochlea — once destroyed, they do not regenerate. Workers often do not notice the gradual loss until it is severe. By the time a worker struggles to hear conversation or develops tinnitus (constant ringing), the damage is extensive and irreversible. Prevention through exposure reduction and hearing protection is the only effective measure.

2. Key Talk Points

Talk Point	Detail
Hearing protection zones	Areas where noise levels exceed 85 dB(A) must be designated as hearing protection zones, marked with signage, and hearing protection is mandatory for anyone entering. Zones should be defined by noise assessment and clearly communicated at induction. Common zones include areas around breakers, piling rigs, concrete saws, and demolition activity.
Noise screening test	A simple screening test: if you need to shout to be heard by someone standing 2 metres away, the noise level is likely at or above 85 dB(A). This is a practical indicator for workers and supervisors to identify when hearing protection is required. Formal noise assessments with calibrated equipment should confirm the zones, but the shout test is an effective daily check.
Vibration exposure time	The HSE vibration exposure calculator (or ready reckoner) determines the maximum daily trigger time for each tool based on its vibration magnitude. For example, a tool with a vibration magnitude of 12 m/s² reaches the EAV (2.5 m/s² A(8)) after approximately 30 minutes. Workers must know the trigger time for each tool they use and rotate tasks or tools to stay within limits.
Signs of HAVS	Early symptoms include tingling or numbness in the fingers after using vibrating tools, particularly in cold weather. As the condition progresses, fingertips turn white (blanching) — known as vibration white finger — followed by loss of grip strength, reduced dexterity, and pain. Symptoms may appear months or years after the exposure that caused the damage. Early detection through health surveillance and prompt reporting is critical.
Report symptoms immediately	Any worker experiencing tingling, numbness, white finger, hearing difficulty, or tinnitus must report it to their supervisor immediately. Early reporting allows exposure to be reduced before the damage becomes severe. Health surveillance programmes detect early changes, but workers must also self-report between surveillance appointments. There should be no stigma attached to reporting — the worker is protecting their long-term health.
Health surveillance	Health surveillance is required for workers regularly exposed above the UEAV for noise (85 dB(A)) or the EAV for vibration (2.5 m/s²). For noise, this includes audiometric testing to detect early hearing loss. For vibration, it includes questionnaires and clinical assessments to detect early HAVS. Records must be kept for at least 40 years. The results must be acted upon — a worker showing early signs must have their exposure reduced immediately.

3. Common Mistakes

Removing hearing protection when the noisiest tool stops

Workers often remove hearing protection as soon as the loudest tool in the area stops. However, other tools and activities in the area may still exceed 85 dB(A). Hearing protection must be worn at all times within a designated hearing protection zone, regardless of which specific tool is operating. The zone is defined by the overall noise environment, not by a single source. Removing protection for even short periods significantly reduces the effective protection over the shift.

Incorrect earplug insertion

Foam earplugs must be rolled into a thin cylinder before insertion and held in place while they expand to fill the ear canal. Improperly inserted earplugs — pushed in without rolling, not inserted deeply enough, or not held during expansion — provide a fraction of their rated protection. A correctly inserted foam earplug provides approximately 30 dB of attenuation. A poorly inserted one may provide as little as 5 dB. Training in correct insertion technique is essential and should be demonstrated during toolbox talks.

Not using the vibration exposure calculator

Many sites have vibrating tools but no systematic approach to calculating daily exposure. The HSE vibration ready reckoner is a simple tool that determines maximum trigger times based on each tool’s vibration magnitude. Without calculating exposure, workers may significantly exceed the EAV or ELV without anyone knowing. Tool manufacturers provide vibration data in the operator’s manual — this data must be used with the calculator to set daily limits.

Gripping tools too tightly

Workers who grip vibrating tools more tightly than necessary transmit more vibration into the hands and arms. A firm but relaxed grip is sufficient. Excessive gripping accelerates HAVS development. Workers should be trained to use the lightest effective grip, to take regular breaks, and to keep hands warm (cold hands are more susceptible to vibration damage). Tool selection also matters — lower-vibration alternatives should be used where available.

Not reporting HAVS symptoms

Many construction workers experience tingling, numbness, or white finger and do not report it — either because they consider it normal, because they fear losing their job or their ability to use tools, or because there is no clear reporting mechanism. Unreported symptoms mean unmanaged exposure continuing to cause further damage. The culture must make clear that reporting protects the worker’s long-term health and that adjusted duties will be provided without penalty.

4. Frequently Asked Questions

What are typical noise levels for common construction activities?▾

Approximate noise levels: normal conversation 60 dB(A); circular saw 100 dB(A); angle grinder 95–105 dB(A); breaker or demolition hammer 100–115 dB(A); piling rig 95–110 dB(A); concrete saw 100–110 dB(A); hand drill 90–95 dB(A); nail gun 95–100 dB(A). Most powered tools on a construction site operate above the 85 dB(A) Upper Exposure Action Value. A formal noise assessment is required to confirm actual levels and define hearing protection zones, but these indicative figures demonstrate why hearing protection is required for most tool-based tasks.

Can you be diagnosed with HAVS if you have left the industry?▾

Yes. HAVS symptoms can develop and progress months or even years after exposure has ceased. The damage to blood vessels and nerves in the hands and fingers is cumulative and permanent. Workers who have left the construction industry may still develop symptoms from historical exposure. HAVS is a prescribed industrial disease and affected workers may be eligible for Industrial Injuries Disablement Benefit (IIDB). Early diagnosis through health surveillance while still in employment provides better outcomes and access to occupational health support.

Do anti-vibration gloves actually work?▾

Anti-vibration gloves provide limited protection. ISO 10819 testing shows that most anti-vibration gloves reduce high-frequency vibration but have minimal effect on the low-frequency vibration that causes most damage. They should not be relied upon as a primary control measure. The hierarchy remains: eliminate (use a non-vibrating method), substitute (use a lower-vibration tool), limit exposure time, and use gloves as a supplementary measure only. Keeping hands warm with ordinary insulated gloves may be more effective than anti-vibration gloves in cold conditions, as cold increases susceptibility to vibration damage.

What does health surveillance involve for noise and vibration?▾

For noise: health surveillance includes audiometric testing (hearing tests) conducted by a qualified audiometrician. Baseline testing is carried out when the worker first starts noise-exposed work, with regular follow-ups (typically annually for the first two years, then at three-year intervals if no change is detected). For vibration: surveillance includes a tiered approach — Tier 1 is a screening questionnaire, Tier 2 is a more detailed questionnaire by an occupational health nurse, and Tiers 3–5 involve clinical assessment by an occupational health physician. Health surveillance records must be kept for at least 40 years. Any abnormal result must trigger a review of the worker’s exposure and, where necessary, reduced exposure or redeployment.

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