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Yonker, PE, QSD/P <br />Quality Control <br />Mr. Yonker has 16 years of experience in quality design, civil <br />engineering, and has built an extensive array of project experience <br />designing and managing various types of civil engineering projects, <br />including green streets, active transportation/complete streets, <br />stormwater drainage improvement projects. His civil engineering <br />experience includes: water and wastewater system analysis and <br />design, hydraulic analysis modeling and design, drainage analysis <br />modeling and design, technical specification development, construction <br />administration and management, and municipal stormwater and <br />wastewater regulatory compliance support. This experience extends <br />equally to both the public and private sector. Mr. Yonker has <br />considerable construction managementladministration experience <br />administering the construction of large federally -funded on -highway <br />and off -highway roadway improvement projects. In this capacity, <br />Mr. Yonker has worked with FHWA Federal Auditors through the <br />federal audit process on construction and streetscape improvement <br />projects, is Caltrans Resident Engineer Certified, and has extensive <br />knowledge and experience as a resident engineer during his earlier <br />career while employed for the Massachusetts D.O.T. administering <br />and overseeing the construction of multi -million -dollar bridge and <br />roadway improvement projects. <br />Culver Boulevard Stormwater Infiltration and Retention Project, <br />City of Culver City, CA. Project Manager and Engineer of Record. Mr. <br />Yonker oversaw the preparation of PS&E documents during the design <br />phase of this multi -beneficial stormwater regional project. Currently in <br />the construction phase, this $12.5M construction project will maximize <br />pollutant and stormwater capture by diverting dry -weather and wet - <br />weather stormwater flows at a rate of up to 50 cubic -feet -per -second <br />from two stormwater facility locations; a 66-inch reinforced concrete <br />pipe located at Harter Avenue and an 87-inch reinforced concrete arch <br />pipe located at Sepulveda Boulevard. Diverted stormwater flows are first <br />sent to a pretreatment unit to remove trash and sediments and then to a <br />concrete underground storage facility capable of providing up to 8-acre- <br />feet of storage. Stored water is pumped to the post -storage filtration <br />system where it is polished for final pollutant removal before being <br />returned to downstream storm drain channels and receiving waters. As <br />an added benefit of this project, treated stormwater will be used to offset <br />potable water irrigation demands to onsite landscaped medians and at <br />nearby Veterans Park. Mr. Yonker provided lead civil design services and <br />TETRA TECH <br />