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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

The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Part L1B
Conservation of fuel and power in Existing Dwellings

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Code for Sustainable Homes can also be known as:
Code for Sustainable Homes Daylight Calculation, Code Assessment, Sustainable Homes, C4SH, CSH,
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