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Environmental Noise Levels
The max exposure time at 85 dBA is 8 hours, at 110 dBA it's just 1 min 29 seconds. If exposed, limit the time and wear hearing protection...more

Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more
Thermal Bridging And Airtightness
Enhanced Construction Details

Defford - Commercial BS4142 - 0121 381 0129
The office that covers this area is: Birmingham
Phone Number: 0121 381 0129 Email: defford@e2consultants.co.uk
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For further Commercial BS4142 information for your area, be sure to check out Sound-Testing-Birmingham.co.uk.
Our other services include:
Commercial BS4142 can also be known as:
Commercial Sound Testing Environmental Noise, BS4142, Commercial Noise Impact Assessment, PPG24, Noise Impact Assessment, Commercial Industrial Noise Survey, Noise Survey For Residential Development, Commercial BS8233 Noise Assessment and Noise Survey, Industrial Noise Survey, Environmental Noise Assessment, Commercial PPG24, Commercial Building and Room Acoustics, Sound Testing Environmental Noise, Building and Room Acoustics, BS8233 Noise Assessment and Noise Survey, Commercial Noise Survey For Residential Development, Commercial Environmental Noise Assessment,


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