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Noice Calculation

A noise calculation is a 3D model-based assessment of how noise from a company, construction site, or infrastructure project will affect the surrounding environment.

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How is a noise calculation used?

It is typically used when you need to document noise conditions for authorities, neighbours, or other stakeholders - or when you want to prevent potential issues before they arise through proper planning.

With a noise assessment, we can predict, document, and visualize how noise from a company, construction site, machine, or infrastructure project affects the surrounding environment. The assessment can be used during the early planning stages, in discussions with authorities, and as documentation for neighbours or other stakeholders.

In practice, noise assessments are often used to create a shared basis for decision-making between the client, consultant, contractor, authorities, and neighbours. When the noise impact has been visualized and documented, it becomes easier to discuss concrete solutions rather than assumptions.

Dialogue with Authorities

Documentation related to permits, environmental approvals, changes to permit conditions, or regulatory orders.

Planning

Assessment of work phases, operating hours, equipment locations, and realistic scenarios.

Consideration for Neighbours

Overview of the noise impact on residential properties and other noise-sensitive receptors.

Noise Reduction

Assessment of noise barriers, container walls, modified operations, reduced working hours, or alternative working methods.

Basis for Decision-Making

Comparison of different scenarios, enabling the project to be optimized at an early stage and helping to prevent unnecessary conflicts.

Industrial noise and construction and infrastructure projects:

For industrial noise, noise calculations are often used in connection with environmental permits, changes to permit conditions, complaints, and enforcement notices, where noise levels must be assessed during daytime, evening-time, and night-time periods.

 

For construction and infrastructure projects, noise calculations can be used to plan project phases, select appropriate machinery, assess the need for permits, and target noise mitigation measures, ensuring that efforts are focused where they will have the greatest impact.

Noise is not just noise, which is why it is important that the assessment is based on the right assumptions and the appropriate evaluation methodology from the outset.

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Noise Sources

Identification of relevant machinery, equipment, vehicles, installations, and work processes.

Operations

Assessment of operating hours, load levels, number of units, work phases, and realistic scenarios.

Worst case

Identification of the scenarios expected to generate the greatest noise impact.

Receptors

Identification of relevant neighbours, residential properties, businesses, institutions, and other noise-sensitive receptors.

Requirements and Guidelines

Assessment of which limit values, reference periods, and methodologies are relevant to the project.

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Frequently Asked Questions

When Is a Noise Calculation Required?

When there is a need to document or predict the noise impact from an activity, business, construction site, or piece of equipment. This may be required in connection with regulatory requirements, environmental permits, complaints, neighbour considerations, or project planning.

Can a Noise Assessment Be Started Before All Data Is Available?

Yes. In many cases, the process begins by establishing an overview of the noise sources, operations, locations, and relevant receptors. We help assess which information is required and which assumptions and conditions need to be clarified.

What Is the Difference Between Noise Measurement and Noise Assessment?

A noise measurement documents the actual noise conditions at a specific point in time. A noise assessment can be used to predict noise from planned activities, compare different scenarios, and evaluate the effectiveness of noise mitigation measures.

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