Recent News


Community-Centric Green Stormwater Infrastructure

5/17/23

More than two decades have passed since Seattle’s pilot Street Edge Alternatives Project (SEA Streets) was completed in 2001, the first public right-of-way Green Stormwater Infrastructure (GSI) retrofit of its kind in the US. Since then, the benefits of GSI have been time-tested and proven in cities around the world. Although treatment technology and implementation
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APWA Project of the Year: John Lewis Memorial Bridge

5/11/23

It’s not often that feats of engineering design can tell a Shakespearean story—two neighborhoods divided into east and west for over fifty years by the construction of I-5, residential areas and North Seattle College separated from shopping districts, business parks, and major transit stations. It wasn’t until the Northgate Pedestrian Bridge, now known as the
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Navigating ESA Consultation for Transportation Drainage

2/14/23

The stormwater industry is abuzz with how to respond to 6PPD-quinone, a chemical used to prevent degradation of car tires, which is adversely impacting our natural environment. If you are working on a roadway improvement project, you might be triggering an Endangered Species Act (ESA) consultation to ensure aquatic environments are protected from roadway runoff.
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It’s World Wetlands Day!

2/2/23

This World Wetlands Day, we are highlighting four different types of wetlands, one from each region where we have an Osborn Consulting office. Larson Lake, Bellevue About the Wetland: The wetland at Larsen Lake is defined as a bog. Bogs are extremely important to protect since their functions are irreplicable. This is because they take
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