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Noise, Vibration and Urban Demolition
In built-up areas the job is usually governed not by machine power but by the disturbance it causes. This page sets out what the rules actually say and how attachment choice changes.
First, a common error
A mistake is repeated across the industry: that "the EU noise limit for hydraulic breakers is X dB". That is not correct.
Directive 2000/14/EC on noise emission by equipment for use outdoors splits equipment in two. Equipment under Article 12 is subject to a sound power LIMIT; equipment under Article 13 is only obliged to MARK the guaranteed sound power level.
Hand-held concrete-breakers and picks fall under Article 12, so they are subject to a limit. Excavator-mounted hydraulic breakers ("hydraulic hammers") fall under Article 13: there is no limit, marking is mandatory.
This does not mean noise is unrestricted. The directive governs placing the product on the EU market; how much noise you may make on site is set by national regulations, municipal decisions and working-hour restrictions. The two layers must not be confused.
Why there are no dB values on this page
The noise and vibration thresholds you must meet on site vary between countries and often between districts; measurement point, duration and the day/night distinction change the outcome entirely. Quoting a number we cannot source would repeat the very error we are correcting. Confirm the thresholds that apply to your project with the local authority; below you will find which equipment option is quieter and lower in vibration.
Noise and vibration are not the same thing
Noise travels through the air and is the most visible cause of complaints. Vibration travels through the ground, and that is where the real risk lies: cracks in an adjacent building, disturbance to sensitive equipment and ground settlement come from vibration, not noise.
This distinction changes attachment choice directly. A breaker delivers energy as impact and part of that impact travels through the ground to the surroundings. A drum cutter applies cutting force through rotating picks, so the vibration transmitted is markedly lower.
A silenced (boxed) breaker reduces noise but does not remove vibration. If the complaint is vibration-driven, switching to a boxed breaker will not give the expected result; the attachment type has to change.
Choosing attachments in built-up areas
Adjacent building, crack risk being discussed
Drum cutter. Because it uses cutting force instead of impact, vibration into the ground is low; profile accuracy is also high.
Complaint is about noise, vibration is not an issue
Silenced (boxed) breaker. The body sits inside a sound-insulated box; slightly heavier and bulkier than the open type.
Reinforced concrete to be removed and steel separated
Pulveriser. Working by crushing, it is both quieter and lower in vibration than a breaker, and separates the rebar cleanly.
Steel structure to be dismantled
Hydraulic shear. Cutting is not percussive; it works under control at height and in confined spaces.
Rubble stays on site, truck traffic to be reduced
Crusher bucket. Reducing haulage cuts not only cost but also truck noise and dust in the neighbourhood.
Measures that work on site
- Plan working hours around local restrictions and inform neighbours in advance; a large share of complaints comes from lack of warning.
- Eliminate blank firing. Striking after the material has broken produces unnecessary noise and vibration, and damages the breaker as well.
- Use the right tool type. A blunt or unsuitable tool makes the same job take longer and take more blows.
- Move the strike point. Persisting where there is no progress prolongs the noise without advancing the work.
- If there is a vibration complaint, have it measured. Objective measurement protects you and prevents unnecessary work stoppages.
Frequently asked
Is there an EU noise limit for hydraulic breakers?
Excavator-mounted hydraulic breakers fall under Article 13 of Directive 2000/14/EC: they are not subject to a sound power limit but to the obligation to mark the guaranteed sound power level. What is subject to a limit are the HAND-HELD concrete-breakers and picks under Article 12. The two are frequently confused.
So can I make as much noise as I like in the city?
No. The directive governs placing the product on the EU market, not the work on site. How much noise may be made on site is set by national regulations, municipal decisions and working-hour restrictions. The two layers are separate and both apply.
Does a silenced breaker also reduce vibration?
Not appreciably. The boxed body lowers airborne noise; vibration travels through the ground and continues because the impact principle has not changed. If the complaint is vibration-driven, changing the attachment type (for example to a drum cutter) is the real solution.
What if a crack is claimed in the adjacent building?
Where possible, document the condition of surrounding structures before starting and have vibration measured. An objective record lets you see a genuine problem early and protects you against an unfounded claim.
Which attachment produces the least vibration?
Generally those that do not work by impact: drum cutter, pulveriser and hydraulic shear. The breaker produces the most. But the choice is not made on vibration alone; material and workload also decide.
Which attachment fits your machine?
Enter tonnage and flow and see the models that fit across all families.
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