Environmental NoiseIndustrial and Environmental NoiseCommercial and industrial facilities generate noise and vibration which may impact the communities. Acentech evaluates the range of environmental impact in ways that allow the public and regulatory agencies to make informed responsible decisions. Acentech's industrial and environmental noise consulting includes: "We have had the good fortune to have Acentech provide acoustical engineering services to us continuously over the past 12 years. Your product is reflective of years of experience, an understanding of the complexities of each assignment and the public sector process." — Robert H Uyeda, FAIA, TetraDesign, Inc.
Acentech's industrial and environmental noise consultants also work with industrial facilities to control noise to nearby communities and to protect workers and address OSHA concerns. We use our experience, technical expertise, computer modeling techniques, and measurement procedures to assess current conditions. We develop noise and vibration mitigation designs and work with clients at the design phase to save money by addressing noise and vibration at the outset of a project. Aviation Noise
We perform environmental noise analyses for airport planning and design to accurately assess potential impacts before the changes take place. Acentech uses state-of-the-art computer models to predict changes to the noise environment. These models, such as the FAA's Integrated Noise Model, calculate noise contours based on aircraft flight tracks, type of aircraft, and number of flights. Using Geographic Information Systems (GIS) computer programs, we then electronically overlay the noise contours to identify impacted buildings. Additionally, our environmental noise consultants establish criteria and develop design recommendations for architectural acoustics within airport buildings. We work with sound isolation measures to control intrusive noise caused by passing aircraft or from ground run-up and engine test facilities. We also design sound systems to provide uniformity and intelligibility of announcements. Highway Noise
We perform environmental noise analyses for both highway planning and design projects. Our consultants are certified in the use of FHWA's Traffic Noise Model (TNM). We also have extensive noise measurement capabilities. Acentech's environmental noise consultants use advanced tools, such as Geographic Information Systems (GIS) to generate accurate and repeatable impact assessments. Our consultants provide acoustical design recommendations for highway noise barriers, including the required length, height, material properties, and determine if the soundwall meets the reasonable and feasible criteria. Rail Noise and Vibration Consulting
Acentech develops and applies technologies for predicting, assessing, and controlling sources of rail system noise and vibration. We also have extensive noise and vibration measurement capabilities. In addition, our architectural acousticians and audiovisual system design can support the transit station design team. Sound Insulation Programs
Noise impacts to residences, schools, hospitals, and other noise sensitive land uses near airports or surface transportation systems can be reduced with acoustical treatments as part of a sound insulation program. Our consultants recommend noise mitigation that is specific to the noise exposure and practical to implement. Acentech noise consultants identify which buildings would qualify for treatments and then work with the architect to develop performance specifications for building treatments. Our staff also conducts pre- and post-construction noise level measurements to document the noise reduction performance. Construction Noise and Vibration
We use analytical and empirical methods to predict the impact of construction noise and vibration on sensitive facilities and land uses. When necessary, we also recommend methods to mitigate vibration and noise during construction. Once construction is underway we can provide real-time monitoring systems to measure noise and vibration and to send alarms when pre-set limits are exceeded. As part of our services, we prepare construction Noise and Vibration Monitoring Plans and construction Noise and Vibration Control Plans. To learn more about Acentech's environmental acoustics consulting services, please view the related projects at right, read our technical papers and articles, or contact us to receive additional information.
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