Projects


Research and Effectiveness Studies


Eastern Washington Effectiveness Study Development

9/23/19

Aimee Navickis-Brasch, Phd, PE served as the Project Manager and Principal Investigator for this multiphase study as part of the Monitoring and Assessment requirements defined in Section S.8 of the Eastern Washington Phase II NPDES Municipal Stormwater Permit. Specifically, the permit requires that the jurisdictions (permittees) regulated under the permit work collaboratively with other permittees to
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Bioretention Soil Media Study

9/23/19

Aimee Navickis-Brasch, Phd, PE served as the Principal Investigator and Project Manager for this research project which was conducted in collaboration with the City of Spokane, The Lands Council, the University of Idaho, and Gonzaga University. The goal of the study was to develop a specification for a bioretention soil media amended with biochar that
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Sharp Avenue Feasibility Study and Performance Assessment

9/23/19

Aimee Navickis-Brasch, Phd, PE, served as the lead water quality and maintenance researcher as well as the adviser to civil engineering students who work on these projects. Her work on the feasibility study focused on summarizing the known benefits of permeable pavement related to pollutant reduction as well as the common maintenance practices and challenge.
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Sewer Relining Program

2/8/19

OCI is leading Seattle Public Utilities’ (SPU) Sewer Relining Program to provide bid documents and construction assistance for using CIPP on over 200 drainage, sanitary sewer, and combined sewer pipes. The program’s primary objective is to renew the wastewater pipe system as well as support NPDES and Consent Decree compliance by reducing sewer overflows (SSO),
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I-5 – SR 510 Diverging Diamond Interchange

8/22/18

Construction Bid Opening Date: August 22, 2018 OCI designed the stormwater and temporary sediment and erosion control elements for this WSDOT Design-Bid-Build project located at the I-5/SR 510 (Marvin Road) interchange in the City of Lacey. The project will upgrade the existing interchange to a Diverging Diamond Interchange (DDI) and add a southbound frontage road
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