Featured Projects

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TriMet warning bells crossing

TriMet Warning Bells Light Rail Pedestrian Crossings

Beginning with measurements taken in 2015, ABD Engineering & Design worked with TriMet to conduct sound measurements of warning bells at MAX Light Rail pedestrian crossings. When it was discovered…

Marriott AC Hotel Portland Downtown

ABD Engineering & Design worked with SERA Design and Architecture to provide recommendations for room acoustics, noise isolation, and mechanical noise control throughout the hotel guest rooms, conference rooms, lobby,…

Mirabella Portland Residential Healthcare

Mirabella is the first LEED Platinum Continuing Care Retirement Community (CCRC) in the United States. The client’s vision included building in an urban location that would enable seniors to remain…
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