Offices Nationwide
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
Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part L2B
Conservation of fuel and power
Applies to existing buildings other than dwellings including alterations, conversions and extensions.
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In Area H
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