State-of-the-Art Evaluations and Practical Solutions Standards established by the EPA Office of Noise Abatement have been adopted by cities throughout Washington. We conduct a site selection evaluation for the use of noise producing equipment, provide the necessary mitigation, and issue our findings as they relate to local ordinances. We are regularly involved with noise monitoring for the selections and mitigation of traffic noise to planned residential sites. For a printable version of our environmental brochure, click here. Our team is experienced with Federal and State guidelines for evaluating and mitigating noise. Our state-of-the art evaluations and recommendations employ the latest in technology including computerized environmental noise monitors, Traffic Noise Model (Version 1.1) modeling, Environmental Noise Monitor (ENM) and Stamina.

Communication Antenna Sites The location of cellular communication antennas near noise-sensitive properties will require an evaluation of the noise produced by the cooling cabinet and the emergency generator, if applicable. We conduct evaluations for Sprint, US West/Quest, Nextel, GTE and Metricom. HVAC and Facility Support Equipment Code compliance for noise from mechanical equipment is an assessment frequently overlooked. Within the City of Seattle, Client Assistance Memo 118 requires an acoustic evaluation to be completed to assess the noise impact mechanical equipment will have on the adjacent property. From equipment submittals, plans and visiting the site to take ambient sound level measurements, we can predict the noise

levels at the property line for code compliance. Should mitigation measures be necessary we can provide recommendations for barriers, silencers, alternate equipment selection and location. Trains, Planes and Automobiles Impact evaluation of noise sources assists in site selection and development. This can be accomplished using straight-line propagation modeling or contour modeling, depending on the complexity of your project.