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G. STEVE MAHNKE, CE. <br /> Project Engineer <br /> Summary of Experience <br /> Mr. Mahnke is experienced in soils and concrete testing; driven pile and drilled pier <br /> design and observation; stability, seepage, and settlement analysis; subsurface <br /> exploration and sampling techniques, and plan reviews. Environmental experience <br /> includes preparation of Preliminary Environmental Site Assessment reports, sampling <br /> of soil, air, and groundwater, installation of monitoring wells, and removal of <br /> underground storage tanks. <br /> Education <br /> MS Civil Engineering,University of California, Davis, California, 1990 <br /> BS Geography, University of California, Davis, California, 1987 <br /> Certification <br /> Professional Engineer, Civil, C 052539, issued July 8, 1994 <br /> American Concrete Institute Field Testing Technician- Grade 1 <br /> Troxler Nuclear Density Gauge Certified (No. 27680) <br /> Hazardous Waste Operations (40 hour) <br /> Professional Affiliations <br /> American Society of Civil Engineers <br /> Select Project Experience <br /> A selection of representative projects Mr. Mahnke has worked on is included below. <br /> Cypress Lakes, Hotchkiss Tract, Contra Costa County, California. Conducted <br /> slope stability, seepage, and settlement analysis, and report preparation for a 700- <br /> acre development requiring FEMA approval. <br /> California State Prison, Coalinga, California. Geotechnical investigation and <br /> report preparation. <br /> Costco Warehouse, Chico, California. Conducted field exploration and report <br /> preparation. <br /> South Yuba City Improvement District, California. Conducted slope stability and <br /> seepage analysis. Resident engineering during the installation and construction of <br /> 20 levee relief wells, approximately 5,000 lineal feet of seepage interceptor <br /> trench, a bicycle ramp, and related infrastructure. <br /> Downtown Plaza, Sacramento, California. Pile design and groundwater <br /> monitoring. <br /> G 11943 (8/94) 1 <br />