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Urban Corridors On-Call, I-405 and I-90 Corridors

King County, Washington State Department of Transportation (WSDOT)

Urban Corridors On-Call, I-405 and I-90 CorridorsESA Adolfson is currently performing wetland investigations, wetland mitigation planning, mitigation construction drawings, and permit support on a task-order basis along the I-405 and I-90 corridors. Nine task orders have been authorized to date under this on-call contract. Studies include wetland reconnaissance and delineation, state and local rating, and functional assessments in accordance with the WSDOT Environmental Procedures Manual. ESA Adolfson has prepared a variety of reports and studies including discipline reports in support of four Environmental Assessments, Wetland/Biology reports, and wetland mitigation plans.

 

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