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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

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 L1A
Conservation of fuel and power IN NEW DWELLINGS

Our other services include:
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Water Calculations can also be known as:
Part G, Part G Water Calc, Water Usage Calculation, Part G Water Calculation,
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