At RRC, our Geotechnical Engineering services blend innovation with expertise to provide comprehensive solutions tailored to each project’s unique needs. From subsurface exploration and testing to foundation design and construction recommendations, our team ensures stability and success for every endeavor.
2025 Report Card
97 Projects Awarded in 2025
38 Solar + 40 Wind + 19 BESS
24 U.S. States
Alabama, California, Colorado, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Minnesota, Missouri, Montana, Nevada, New Mexico, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Texas, Washington, Wyoming
23.5 GW
Planned Capacity
The RRC Advantage in Geotechnical Engineering
Unmatched Expertise
With decades of experience, RRC’s geotechnical team brings unparalleled expertise to every project. Our professionals are skilled in geotechnical analysis, subsurface exploration and testing, and geophysical surveys, ensuring that each project benefits from our deep knowledge and technical proficiency.
Comprehensive Services
We offer a full spectrum of geotechnical services, including foundation design and construction recommendations, soil stabilization, and ground improvement. Our capabilities extend to geophysical surveys such MASW, seismic refraction, 2-D electrical imaging, electrical resistivity, and geotechnical hazard studies, providing our clients with all-encompassing support from preliminary design studies to final construction monitoring.
Innovative Solutions
At RRC, we are committed to geotechnical innovation. Our team leverages the latest technologies in in-situ and laboratory testing, pile load testing, and geotechnical risk assessment to deliver cutting-edge solutions. Whether it’s renewable energy geotechnical services for solar and wind projects or feasibility studies for infrastructure, we ensure that our clients receive the most advanced and effective engineering solutions.
Tailored Solutions
Our Services
Geologic and Geotechnical Risk Assessment/ Desktop Studies
Subsurface characterization – In situ and Laboratory Testing
Our team of seasoned geotechnical engineers and geologists brings a wealth of experience and a commitment to excellence. Get to know the professionals who are driving the success of your projects.
01. Director of Geotechnical Engineering
Alfred Williams
Alfred is RRC’s Lead Geotechnical Engineer with over 6 years of experience in wind and solar energy projects. Specializing in geotechnical recommendations for wind turbine foundations, Alfred manages field investigations, geotechnical analysis, and project management. He holds a B.S. in Civil Engineering and is licensed in South Carolina and Texas.
02. Geotechnical Engineering Manager - Wind
Randy Carri
Randy is a Graduate Engineer and Geotechnical Project Manager with over 20 years of experience in subsurface investigations and geotechnical engineering. He has managed large-scale wind projects, including the largest wind farm in North America, and specializes in field coordination, foundation recommendations, and construction support. Randy holds an EI registration in Colorado.
03. Geotechnical Engineering Manager - Solar
Jeffrey Liu
Jeffrey is a Geotechnical Engineer with over 1.5 years of experience in wind and solar energy projects. Proficient in foundation design, slope stability analysis, and pile load testing, he excels in geotechnical field exploration and QA/QC. Jeffrey holds a Master’s in Civil Engineering and EIT registrations in New Hampshire and Texas.
01. Director of Geotechnical Engineering
Alfred Williams
Alfred is RRC’s Lead Geotechnical Engineer with over 6 years of experience in wind and solar energy projects. Specializing in geotechnical recommendations for wind turbine foundations, Alfred manages field investigations, geotechnical analysis, and project management. He holds a B.S. in Civil Engineering and is licensed in South Carolina and Texas.
02. Geotechnical Engineering Manager - Wind
Randy Carri
Randy is a Graduate Engineer and Geotechnical Project Manager with over 20 years of experience in subsurface investigations and geotechnical engineering. He has managed large-scale wind projects, including the largest wind farm in North America, and specializes in field coordination, foundation recommendations, and construction support. Randy holds an EI registration in Colorado.
03. Geotechnical Engineering Manager - Solar
Jeffrey Liu
Jeffrey is a Geotechnical Engineer with over 1.5 years of experience in wind and solar energy projects. Proficient in foundation design, slope stability analysis, and pile load testing, he excels in geotechnical field exploration and QA/QC. Jeffrey holds a Master’s in Civil Engineering and EIT registrations in New Hampshire and Texas.
Geotechnical Engineering
Download Our SOQ
Discover RRC’s Geotechnical Engineering services in subsurface investigations, soil analysis, and foundation design to ensure site stability. Download our Statement of Qualifications to see how we support reliable project foundations.
