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Practical Approach for Sound Prediction on the Basis of Noise Emission Data

Project number: F 2451 Institution: Federal Institute for Occupational Safety and Health (BAuA) Status: Ongoing Project Planned end: 2022-03-31


Noise is one of the most common risks factors at the workplace. It can damage the hearing, increase the risk of accidents, and have a negative impact on the health and work performance of employed persons. For this reason, the employer is required to determine noise immission within the risk assessment for the workplace and, where necessary, to reduce the risks as far as possible according to the state of technology – e.g. by the use of low-noise work equipment and procedures or the acoustic design of work rooms.

To support employers with the cost-efficient and effective planning of low-noise workplaces, this project seeks to develop a simplified, practice-oriented approach to estimating noise immissions on the basis of the noise emission data from machines. This should allow for the noise levels to be estimated at workplaces according to the dimensions and acoustic propertiesof the room as well as the existing noise sources. From the data on the positions of the noise sources and workplaces as well as the noise emissions data of the machines, as provided by the acoustic power level (LWA) and emission sound pressure level (LpA) as single values, the noise levels at workplaces can be estimated on the basis of an iterative method of calculation.

With the results of the project, companies should be able to estimate the noise risks of employees more easily under certain conditions by using the noise emission data which manufacturers are legally obliged to provide as part of a source-based risk assessment.


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