Fish Passage and Habitat Restoration

Thornton Creek Confluence Project


Location: Seattle, WAOwner: City of Shoreline OCI was responsible for the TESC and stream bypass plan for this flood management and habitat restoration design project. Deliverables included plans and detail sheets, specifications, engineer’s cost estimate, and the Stormwater Pollution Prevention Plan (SWPPP). Challenges included:  bypass of a flashy, urban stream and isolation of the sediment
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South Link SeaTac/Airport Station to S 200th St. Design Build Project


Location: SeaTac, WAOwner: Sound Transit OCI assisted the PCL/HDR team with permitting, design, and construction of 1.6 miles of double-track Light Rail Transit (LRT) elevated line between the SeaTac/Airport Station and S 200th St. The project included a track guideway, a terminal station at the intersection of S 200th St. and 28th Ave. S, site work,
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