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Acoustical Engineering Feasibility Studies

With a combined total of 60 years of noise and vibration control experience, Acoustical Systems, Inc. provides design engineering and acoustical solutions for industrial noise applications regulated by OSHA / MSHA compliance programs. ASI does not represent or distribute specific product lines. ASI offers unique noise control services to design proper enclosures, silencers, curtains, louvers and absorbers for specific applications with guaranteed results.

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Sound Enclosure for Noise Abatement Qualification
Sound Enclosure for Noise Abatement Qualification
  Sound Transmission Test Stand
Sound Transmission Test Stand
  STC Stand for Materials Testing
STC Stand for Materials Testing
  Air Compressor System Enclosure
Air Compressor System Enclosure
 
Custom Sized Compressor System
Custom Sized Compressor System
  Testing and Certification of Air Compression Noise Levels
Testing and Certification of Air Compression Noise Levels
  Testing Unit with Noise Abatement Panels
Testing Unit with Noise Abatement Panels
  Vacuum Pump Silencer
Vacuum Pump Silencer
 
Shake Rattle Test Stand
Shake Rattle Test Stand
  Vibrational Level Testing Stand
Vibrational Level Testing Stand
  Air Compressor System with Noise Enclosure
Air Compressor System with Noise Enclosure
  HVAC Duct Noise Cancelling
HVAC Duct Noise Cancelling
 
Acoustical Silencer for Piping
Acoustical Silencer for Piping
  Screw Machine System with Sound Level Control
Screw Machine System with Sound Level Control
  Sound Enclosure affixed with Process Blowers
Sound Enclosure affixed with Process Blowers

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Acoustical Engineering Feasibility Study Scope of Work

Determine a Design Goal In order to implement an effective noise abatement system, a quantitative acoustical design goal must be established. Acoustical Systems, Inc. will provide noise control recommendations to meet the OSHA, MSHA, G16 (90dBA), G16A (85dBA) criteria requirements.
Determine the Existing Acoustical Condition Once the design criteria are established, baseline acoustical data would be collected in the plant and at the operator's positions during various production and non-production conditions. The recorded data will be analyzed on the weighting networks A and linear scale, 1/1 and 1/3 octaves, Fast Fourier Transform (FFT) bands covering the audio-frequency range of 22.5 to 20,000 Hz.
Determine the Required Noise Reduction The Existing Acoustical Conditions data is then compared to the Design Goal criteria to identify the noise reduction required to provide the desired acoustical environment. The degree of noise reduction and the frequency content requirements are necessary to design the proper noise abatement system.
Identify the Sound Transmission Paths In order to efficiently attenuate noise sources, it is necessary to determine the transmission path by which the source affects the receiver. There could be line-of sight airborne sound transmission, structure-borne vibration transmission, flanking noise, transmission along ducts, or penetrations between the noise sources and receiver. All paths must be investigated to ensure an effective abatement system.
Design Potential Noise Abatement Systems The abatement system is designed considering the noise reduction requirements, frequency content, sound wave transmission paths, and operational considerations. Because the performance of acoustical materials is frequency dependent, the design of the system must consider the magnitude and frequency of the source and the degree of attenuation required. Concept designs are reviewed with engineering, production, and maintenance personnel to ensure that the operational concerns have been considered in the final design. Construction specifications and costs are then formulated for each item and included with concept drawings.
Final Report The final report will include all acoustical analysis and supporting data, noise control recommendations, material specifications, and cost estimates. This information allows you to evaluate acoustical performance versus cost. Acoustical Systems, Inc. is then uniquely qualified to provide a written guarantee that you will achieve the specified level, provided that all practical and functional recommendation is implemented.