1. Orientation, layout, zoning

The first step is to reduce noise at source wherever possible, and to limit the exposure of sensitive rooms and premises to external noise. The latter can be amplified by prevailing winds or site-related reverberations.

In addition to taking note of the road classification, it is therefore advisable to carry out a site analysis beforehand, in order to gain precise knowledge of the noise environment around the plot, to measure noise levels in the vicinity of the future building using a sound level meter, and to identify other regular sources of noise, for example from an industrial or agricultural site, a quarry, as well as from the neighborhood: school, stadium, nightclub exit...

Similarly, the design of buildings and/or equipment that may generate noise must also be designed to protect existing buildings and sensitive areas from noise (figure...