Environmental Acoustic Impact Study
Environmental impact studies of industrial or recreational noise sources and temporary events.
Modelling, measurement and proposals for solutions to comply with applicable noise regulations.
Our services
Environmental acoustic studies
Environmental impact studies of industrial or leisure noise sources. Proposals for solutions to comply with regulations.
Industrial sources
Acoustic impact in residential areas from machinery, HVAC systems, industrial processes and other continuous noise-generating elements.
Leisure activities
Studies for nightlife venues, terraces, bars with music and recreational activities that generate acoustic impact in residential zones.
Temporary events
Environmental studies for temporary events such as fairs, festivals, concerts or ephemeral installations with acoustic impact.
Solutions & barriers
Technical solutions: acting on source levels, installation of acoustic barriers, or a combination of both measures.
Impact study
Study methodology
The environmental acoustic impact study follows a rigorous process to ensure regulatory compliance.
Project definition
Detailed description of the event or activity that will generate noise, including its location, duration and technical characteristics.
Noise source identification
Identify all noise sources that will be present: sound systems, machinery, generators and associated traffic.
Background noise measurement
Measure existing noise levels in the area without the sources, to establish a baseline reference.
Noise modelling
Use specialised CadnaA software to predict how noise will propagate from the identified sources to surrounding areas.
Impact assessment
Compare predicted noise levels with limits set by local regulations and assess potential impacts on health and well-being.
Mitigation proposals
Suggest measures to reduce noise impact: acoustic barriers, time restrictions or use of quieter equipment.
Consultation & coordination
Involve the community and stakeholders to gather their opinions and concerns about noise.
Final report
Compile all information into a detailed report to be reviewed by the parties involved and the competent authorities.
Technical process
CadnaA study phases
Each phase of the study is carried out with approved software to ensure accurate and valid results for authorities.
Area model
Environment modelling
The study area is modelled with the noise sources that affect residential zones. The 3D model includes buildings, terrain, existing barriers and sound propagation characteristics.
Environmental impact
Sound immission calculation
The sound immission level in the area and at the facades of the dwellings is calculated. Noise maps graphically show the distribution of levels throughout the study environment.
Proposed solution
Source reduction or barriers
The solution may be action on source levels, the installation of acoustic barriers, or a combination of both measures to comply with regulatory limits.
Verification
Results verification
Solutions are checked to ensure that they comply with the relevant regulations. The final report documents the entire process and the results obtained.
Applications
Areas of application
We carry out acoustic impact studies for all types of activities and noise sources.
Industry & factories
Assessment of acoustic impact from industrial processes, compressors, fans and heavy machinery in nearby residential areas.
HVAC systems
Noise studies of air conditioning equipment, chillers, cooling towers and extractors in buildings and shopping centres.
Leisure venues
Noise control for bars, nightclubs, terraces and music venues affecting adjoining or nearby dwellings.
Construction works
Assessment of acoustic impact from construction, demolition and earthmoving works in the urban environment.
Events & festivals
Preliminary studies for fairs, festivals, concerts and outdoor events impacting residential areas.
Infrastructure
Noise studies for roads, railways, logistics centres and other transport infrastructure.
Why choose us?
Key advantages
Approved CadnaA software
We use CadnaA (Computer Aided Noise Abatement), the internationally recognised software for outdoor acoustic propagation calculations.
Regulatory compliance
Studies compliant with Spanish legislation (RD 1367/2007, Law 37/2003) and applicable regional and municipal regulations.
Precise 3D modelling
Three-dimensional models of the environment with topography, buildings, barriers and meteorological conditions for maximum accuracy.
Mitigation solutions
We don't just identify the problem: we propose concrete solutions and verify their effectiveness before implementation.
Reports valid for authorities
Complete technical documentation accepted by local authorities, regional governments and courts.
Multi-sector experience
Years of experience in acoustic studies for industry, leisure, events, infrastructure and urban planning.
FAQ
Frequently asked questions
When is an acoustic impact study mandatory?
It is mandatory when municipal or regional regulations require it as a prerequisite for an activity licence. Industrial activities, leisure venues and outdoor events typically require one. In any case, it is advisable to prevent fines and neighbourhood complaints.
What software is used for the calculations?
We use CadnaA (Computer Aided Noise Abatement), an internationally recognised software for the calculation of outdoor acoustic propagation. It allows 3D modelling of the environment including topography, buildings, barriers and meteorological conditions.
What regulations apply in Spain?
The reference legislation is Law 37/2003 on Noise and its implementing regulation RD 1367/2007. In addition, each autonomous community and municipality may have its own ordinances with more restrictive immission limits.
How long does a study take?
It depends on the complexity of the project. A typical study for an industrial activity can be completed in 1-2 weeks. For more complex projects with multiple sources or extensive areas, a timeframe of 3-4 weeks may be required.
Does the study include proposals for solutions?
Yes. If predicted immission levels exceed regulatory limits, the study includes specific mitigation proposals (source reduction, acoustic barriers, enclosures) with verification of their effectiveness through re-calculation.
Is the report valid for appealing fines?
Yes. The technical report includes all methodology, input data, models, results and conclusions. It is a valid document for submission to public authorities, courts and appeal proceedings.