Building Acoustics
Valence, AURA

In Valence, the Rhône corridor superimposes within a few hundred metres the A7 motorway, the conventional railway line and the Méditerranée high-speed line, a combination of infrastructure rarely found elsewhere and one that demands high façade sound insulation across a broad swathe of the built-up area. The high-speed rail spectrum is handled differently from road noise, which rules out reasoning by simple equivalence. The logistics platforms and agri-food sites of the area add continuously running process sources, to be assessed under neighbourhood noise rules.

In Valence, 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.