As part of the Clean Water Act Section 404, National Historic Preservation Act and Section 106 permitting for cultural resources on this urban site, Keith and his staff provided stream restoration design and permitting to create a more naturally functioning system along Bear Creek in Redmond, Washington. Design elements featured fish passage channel restoration, streambank stabilization, wetland mitigation, and floodplain storage volume for FEMA “zero rise” requirements and cultural resources preservation.
During the initial assessment phase, artifacts were found dating to the end of the Ice Age up to 12,000 years ago. This discovery guided draft amendments and ultimately, final design, permitting, and construction activities. It also required innovative design and engineering solutions to mitigate impacts to cultural resources and to successfully permit and construct the project.