Lot 1 - Mesures acoustiques

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Lot No 1 concerns the performance of acoustic measurements to size and adapt the audio guidance equipment for the tunnels located on the APRR, AREA and ADELAC networks. The purpose of this lot is to carry out acoustic studies in the structures in order to determine the characteristics of the installations to be deployed to provide sound in the tunnels by optimizing the number and placement of the equipment, strictly as needed, to enable the diffusion of an audio message audible to a person moving outside the vehicle within the structure and to a person inside the vehicle; in the event of fire evacuation of the structure, i.e. with the extraction ventilation of contaminated air in operation. This service includes, first, the organization of the acoustic survey operations in the structures, as well as the production and supply of deliverables that will make it possible to configure and size the equipment to be supplied and installed by the holder of Lot 2. Second, after deployment of the equipment and commissioning (subject of Lot 2), the holder of this lot must carry out a new measurement campaign. This will constitute a control assignment following implementation of the…

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