Roadway and Transit Drainage

Location: Seattle, WAOwner: Washington State Department of Transportation OCI was under contract with HNTB, part of Seattle Tunnel Partners, and developed site specific and construction phase specific TESC Plans and Narrative for the project. Major areas of concern for erosion and sediment transport on this project were the south and north portals, particularly the cut
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Location: Bothell, WAOwner: Washington State Department of Transportation OCI was responsible for TESC Plan Sheets and TESC Plan Narrative to add one auxiliary lane on northbound I-405 from NE 195th Street to SR 527. The project also included improvement to storm drainage resulting from the road widening exercise. OCI utilized MGSFlood to size temporary sediment
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