CSP Acoustics completed a noise impact assessment for theWigwam Cabins Ltd.newworkshop and yard premises located at Unit 6 Cromwell Park, Almondbank, Perth. The site chosen was semi-rural, with nearby housing overlooking the workshop and yard location.
Existing background noise levels occurring at the nearest houses were measured. Noise data for Wigwam typical operations was based on CSP Acoustics extensive library of industrial noise measurements from prior projects. These included typical workshop joinery and fabrication tools and commercial delivery vehicle movements.
The impact of workshop and yard noise on the nearest residential properties was assessed using the proprietary noise prediction software CadnaA®.
The assessment indicated that mitigation measures were required to reduce noise emissions from the proposed workshop and yard sat the nearest houses in order to comply with Perth & Kinross Council’s criteria. A noise barrier was introduced in the noise model of the site on the north, west and east boundaries; this allowed the optimum height for the barrier to be determined quickly and easily. The assessment demonstrated that the project was viable and the application was granted planning permission by Perth and Kinross Council.
One year later, Wigwam Cabins applied to extend their operational hours and an updated assessment was required. Using the first CadnaA® model it was possible to recalibrate data for the revised working hours, rather than starting from scratch. This also helped the client to obtain a good result quickly and cost-effectively.
Wigwam Cabins Ltd
Noise Impact Assessment/Plant Noise/Workshop Noise/BS4142:2014
CSP Acoustics predictions using CadnaA®
Image courtesy of Wigwam Cabins
CSP Acoustics Site Survey Image
Image courtesy of Wigam Cabins
It is a fact that the impact of many acoustical issues can be reduced by making appropriate early stage design decisions – site layout, building planning, materials and structures choices can all affect the magnitude and therefore cost of dealing with noise, privacy and communication issues. To help designers become more aware of the impact of acoustics on design and development CSP Acoustics is happy to provide CPD Updates on Acoustics and Noise issues to design practices and client organisations. Lunchtime, or longer, CPD sessions can be arranged for delivery in-house to suit client and design organisations.
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