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.
Service (IAS) certified in Special Inspections.