Recent News


WSDOT Stormwater Mapping and Gold Stars for Jana!

5/19/17

From mid-March through mid-May of this year, OCI staff were in the field, mapping and verifying stormwater outfalls, discharge points, connections, and drainage features along highways in WSDOT’s Northwest Region. WSDOT’s 2014 NPDES General Stormwater Permit, issued through the Department of Ecology, requires WSDOT to map its stormwater conveyance systems. Stormwater conveyance systems consist of
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Puyallup River Bridge Replacement Timelapse

8/24/15

Last weekend, the 379-ton, steel truss bridge, originally built in 1925 and most recently used as temporary detour bridge across Puyallup River, was moved away from the river and onto WSDOT right-of-way. OCI worked on the drainage design for the temporary detour and the permanent bridge, designed a bioswale to  treat the added PGIS, and
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SR 167 Puyallup River Bridge

2/25/14

Location: Puyallup, WAOwner: City of Puyallup OCI was responsible for drainage and TESC design for temporary detour and permanent bridge across Puyallup River at the outer limits of City of Puyallup from Milepost 6.19 to 6.25. The project involved removing the existing degraded southbound steel truss bridge (Meridian Street Bridge) and replacing it with a
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SR 99 Tunnel Project

2/25/14

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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SR9/92 Intersection Improvements Design Build Project

2/25/14

Location: Snohomish County, WAOwner: Washington State Department of Transportation OCI was responsible for the Drainage Design and Temporary Sediment and Erosion Control (TESC) Design for the SR 9/92 Intersection Improvements Design Build Project in Snohomish County, WA. The main elements of the proposed development consist of widening SR 9 north of the intersection and widening
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