UK trade-and-hazard guidance by the Riskora Editorial Team
Noise-induced hearing loss is the largest single category of UK construction occupational health claim and remains the most under-controlled. The Control of Noise at Work Regulations 2005 set the lower exposure action value at 80 dB(A) and the upper at 85 dB(A) — most carpentry power tools (circular saws, chop saws, nail guns, planers) operate well above 85 dB(A) at the operator position. RPE-style hearing protection is the last line of defence; engineering controls and tool selection come first.
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Control of Noise at Work Regulations 2005
Regulations 5-7
Lower exposure action 80 dB(A); upper exposure action 85 dB(A); exposure limit 87 dB(A) at the ear (including effect of hearing protection). Daily and weekly exposure based on 8-hour TWA.
HSE L108 ACOP for Noise
All
Hierarchy: eliminate at source > engineering controls > administrative > PPE. Hearing surveillance for any operative above the upper action value.
Every UK RAMS reviewer applies the hierarchy of controls in the order below. Defaulting straight to PPE is the single most common reason a RAMS fails review.
1. Eliminate
Pre-cut joinery components in a workshop with extraction; bring to site as fitted assemblies.
2. Substitute
Hand tools (block plane, push saw) for short cuts. Cordless circular saw with brushless motor (typically 5 dB quieter than corded equivalents).
3. Engineering controls
Acoustic enclosures around chop saws. Anti-vibration mounts on benches. Sharp blades (blunt blades increase cut noise dramatically).
4. Administrative controls
Job rotation. Cutting station located away from other trades. TBT on noise exposure and reporting.
5. PPE (last line)
SNR 30dB ear defenders or moulded plugs at any operation above 85 dB(A). Annual audiometry.
Issuing 'wear ear defenders' as the entire noise control. Noise Regs require engineering controls first — RAMS that skip directly to PPE will fail review and contradict L108.
An illustrative extract structured for principal-contractor review. Site-specific facts must be substituted and checked by a competent person.
Architrave, skirting and door linings will be pre-cut at the offsite workshop. On-site cutting will be limited to fitting adjustments using a Festool TS 55 plunge saw with CT 26 M-class extractor (manufacturer-stated noise: 81 dB(A) at operator with sharp blade). Cutting station located in the dedicated cutting zone (Drawing C-001) at 8m from the welfare unit. Operatives will wear SNR 30dB ear defenders at all times during cutting. Annual audiometry for all carpenters on file. Toolbox talk on noise exposure delivered at induction.
Tool noise levels checked annually (manufacturer data). Sharp blade check at sign-on. Hearing protection condition checked at sign-on. Annual audiometry tracked on training matrix.
When are hearing protectors mandatory for carpenters?
At any operation likely to exceed 85 dB(A) at the ear (the upper exposure action value). Most powered cutting and fixing operations exceed this — so for typical site work, hearing protection is mandatory throughout.
Do carpenters need annual hearing tests?
Yes, where they are exposed above the upper exposure action value. Audiometry is the only way to detect early NIHL — by the time hearing loss is noticed subjectively, it is usually permanent.
Are cordless tools quieter than corded?
Brushless cordless tools are typically 3-5 dB quieter than corded equivalents at the operator position, but the dominant noise source is usually the cut itself rather than the motor — sharp blades make a much bigger difference.
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