RGH Consultants
RGH Consultants provides practical geotechnical solutions backed by decades of engineering expertise.
A Reputation for Excellence
RGH brings over 35 years of experience providing engineering design, consulting and testing services, including geotechnical engineering, engineering geology, construction observation and testing, soils and materials testing, and special inspection services for both private development and public infrastructure projects. We have developed effective geotechnical and geologic solutions for hotels, resorts, wineries and private residences; utility pipelines, wastewater treatment plants, and transfer stations; roadway construction, rehabilitation, and replacement; and hospitals, schools, and residential and commercial developments, such as multi-dwelling apartments and affordable housing complexes.
Successful and Sustainable Solutions
RGH is committed to protecting Northern California’s natural resources. We craft our engineering solutions to balance sustainable development, environmental conservation, and regulatory compliance.
1991
Year Founded
36
Employees
25
Years Special Inspections Experience
5
Primary laboratory certifications
Expertise
Featured Services
We apply multidisciplinary expertise to develop practical, cost-effective solutions for complex geotechnical, geologic, and construction challenges.
- Geotechnical Engineering: We provide geotechnical evaluations and design recommendations that help clients manage risk, improve constructability, and support long-term performance. Our expertise includes deep and shallow foundations, retaining walls, dams and reservoirs, ground improvement, liquefiable soils, slope stability, rock mechanics, groundwater and drainage, and pavement design.
- Geologic Studies: We help clients identify and address geologic hazards early in project development. Services include fault and landslide investigations, geologic hazard evaluations, Alquist-Priolo Earthquake Fault Zone studies, liquefaction analyses, emergency slope failure response, and forensic geology investigations.
- Laboratory Testing Services: Our certified soils and materials testing laboratory delivers reliable data to support informed engineering and construction decisions. RGH maintains certifications through California Department of Transportation (Caltrans); American Association of State Highway and Transportation Officials (AASHTO) Resource, formerly AMRL; Cement and Concrete Reference Laboratory (CCRL),a division of ASTM International; California Division of the State Architect (DSA); and United States Army Corps of Engineers (USACE).
- Construction Services: RGH field personnel are certified by the American Concrete Institute as Field Testing Technicians and licensed to use nuclear density compaction testing equipment. Our field staff also includes personnel certified by Caltrans, DSA, the American Concrete Institute (ACI), and the International Council of Building Officials (ICBO).
Leaders
Eric Chase– Principal Geotechnical Engineer|
