Background and Objective: Noise is a kind of mechanical energy that is sensed by the human auditory system. It can cause physiological and psychological disturbances, therefore controlling the exposure to this harmful factor is highly important in industrial and non-industrial work environments. The present study aimed to determine the effectiveness of acoustic barriers on noise reduction in one generator building.
Materials and Methods: This case study was conducted in four stages in January 2020, which included: determining the purpose of the measurement, gathering information from the site, selecting the proper material, designing, installing the noise barrier, and evaluating its effectiveness. The level of environmental noise was measured according to ISO 9612-2009 [E] using Casella CEL-450 Sound Level Meter.
Results: The average noise reduction, 1 m from the noise barrier was 19.5 dB, the highest recorded transmission loss was 22.4 dB. at 8000 Hz.
Conclusion: The sound barrier introduced in this project is recommended for similar conditions with effectiveness of 19±0.5 dB due to the simplicity of the design, ease of implementation, and efficiency.
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