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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

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
Part L1B
Conservation of fuel and power in Existing Dwellings

Llay - Code for Sustainable Homes Daylight Calculations - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: llay@e2consultants.co.uk
Our other services include:
Code for Sustainable Homes Daylight Calculations can also be known as:
C4SH, Code for Sustainable Homes Daylight Calculation, Code Assessment, Code for Sustainable Homes, Sustainable Homes, CSH,


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