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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
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
Part L2A
Conservation of fuel and power in new buildings other than dwellings.
Approved document for buildings that support the energy efficiency requirements of regulations.
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In Area N
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