Building Acoustics
Annecy, AURA

In Annecy, land pressure is such that densification has become the rule: building is tight, storeys are added, plots are subdivided, all configurations in which the insulation between adjoining and stacked dwellings becomes the leading cause of dispute. Tourist activity, heavily concentrated over the season, adds sound pressure in the city centre and along the lake shores, with public-access establishments whose noise emergence must be controlled with respect to nearby residential neighbours. The predictive acoustic study sets these targets before the preliminary design stage, when construction thicknesses and principles are still open to negotiation.

In Annecy, urban density, the widespread use of outdoor heat pumps and neighbourhood noise nuisance make the acoustic study decisive: from the design stage, to size the sound insulation and avoid disputes at handover, then at acceptance, to certify NRA compliance and regulatory noise emergence.