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…The Federal Aviation Administration (FAA) has released an update to its Aviation Environmental Design Tool (AEDT) that models the environmental impacts of fuel consumption, emissions, noise, and air quality….
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…As a consultant with Sigma Research Corporation (now AECOM), Robert worked with a majority of the current Environmental Protection Agency Guideline models. He was involved in several power plant permitting…
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…corridors in the study area. The measured data were used to define the existing vibration conditions and to develop vibration prediction models for the assessment of potential vibration impacts….
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…dB improvement in outdoor-to-indoor aircraft Noise Level Reduction (NLR). The steps undertaken by HMMH in this Program included: conducting pre-construction acoustical testing, generating detailed acoustical models for a sample of…
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…II military fighter. Our experience in advanced air mobility (AAM) has ranged from developing noise computer prediction models to conducting noise measurements to presenting the results to the affected communities…
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…MOVES and CAL3QHC models for compliance with the NAAQS. Using the latest FHWA guidance for MSATs, a qualitative analysis was conducted for the Build Alternative. HMMH also conducted a mesoscale…
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…of a decibel. Using binaural (stereo in-ear microphone) recordings, acoustic models, and specialized sound mixing software, Virtual Soundscapes™ create incredibly realistic stereo simulations by layering together background soundscapes and other…
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…HMMH has also prepared several other reports under this program including ACRP Report 141 “Renewable Energy as an Airport Revenue Source,” which provides the industry with business models and financial…
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…HMMH developed detailed acoustical models of the construction activities for the Tappan Zee Hudson River Crossing bridge replacement project. The acoustical modeling was conducted using SoundPLAN software, and incorporated…
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…an Airport Revenue Source,” which is expected to be released in the next year. The report will provide the industry with business models and financial information to show how airports…
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