This particular project related to a proposed grain dryer that was proposed to be located at Mains of Gray, Dundee and where a noise impact assessment was required to support the planning application.
The noise impact from activities associated with the proposed grain dryer was assessed at nearby dwellings using the methods set out in BS 4142:2014. The project was particularly difficult, due to the fact that the nearest houses were within the proximity of the proposed grain dryer and because the manufacturer data didn’t follow typical noise attenuation features found in other point source plant units.
Predictions of noise within this report were made using proprietary noise prediction software CadnaA® (Computer Aided Noise Abatement) developed by Datakustik. This allowed us to model a plenum noise source covered by a canopy roof that would otherwise be impossible. It also helped us to assess to assess the noise criteria (NR) level per frequency.