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Urban Corridors
On-Call, I-405 and I-90 CorridorsKing County, Washington State
Department of Transportation (WSDOT)
ESA
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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