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Mr. Johnson is a Vice President of GeoTek with 26 years’ experience. He is a professional geologist within Arizona and California. His professional experience includes a wide variety of development projects including geotechnical design and materials testing and inspection services. His geotechnical design experience includes evaluation of local and regional geology, subsurface conditions, ground water, local and regional faulting and or fissuring and conclusions and recommendations regarding suitability of onsite soils for support of intended improvements, site grading (earthwork), hillside grading, and development of foundation design with the project engineers. Mr. Johnson also has experience with rock fall evaluations by simulated computer programs and stereo net plotting of rock fracture patterns, Jack and Bore tunneling recommendations, and depth of scour associated with several washes. Other experiences include rippability studies of hard bedrock material and blasting recommendations. As a Project Manager and the Construction Materials Testing Department Manager he has managed and overseen construction inspections for many residential, commercial, high rise, industrial, Public Works and Public Agency projects. He also proposed and managed many forensic projects from individual projects to class action lawsuits. Mr. Johnson has provided many administrative functions from contract review, implementation of internal quality assurance management, business development, personnel supervision, and financial management. He also helped manage GeoTek, Inc. in becoming the first Geotechnical Engineering company to become International Accreditation Service (IAS) certified in Special Inspections.
Stephen R. Johnson R.G.
Phoenix Branch Manager  
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