CHJ Consultants, through its staff and employees, has provided geotechnical engineering, environmental consulting, construction inspection, and materials testing services to a wide variety of clients and projects. Such projects include numerous residential and commercial developments, office buildings, hospitals, schools, and public works projects. With our large and diverse group of geotechnical engineers, engineering geologists, environmental assessors, special inspectors, and soils/environmental technicians, CHJ Consultants can staff projects of any type and size.
CHJ Consultants is dedicated to providing quality geotechnical engineering, construction inspection, materials testing, environmental assessments and sampling, and consulting services. Our professional staff with over 300 years of combined experience brings unprecedented knowledge and experience to your project. Our mission is “People You Can Depend on and Experience You Can Trust.” This ideal makes us an easy choice for all your project requirements.
CHJ Consultants has performed thousands of geotechnical investigations, ranging from single family residence to large commercial developments. Subsurface investigations are performed by Staff Geologists who are supervised by Professional Geotechnical Engineers and Certified Engineering Geologists.
During construction, our personnel perform observation and compaction testing for earthwork and construction projects. Our experienced technicians are directed by our geotechnical engineers and engineering geologists.
Our geologists have expertise in all types of geologic hazards investigations, including probabilistic and deterministic seismic risk, fault rupture hazard, liquefaction, landsliding, shallow groundwater, rippability, disaster remediation, forensic studies, mining reclamation, and expert witness testimony.
Phase I assessments are performed as part of pre-acquisition due diligence for real property transfers. These assessments are designed to determine the potential for significant environmental contamination on or in the vicinity of the property from previous and/or existing use, and disposal or storage of hazardous substances.
CHJ Consultants performs special inspections on a wide range of projects throughout Southern California. Our inspectors have performed tests for reinforced concrete, structural steel, welding, reinforced masonry, shotcrete, and fireproofing inspections on many projects including the Arrowhead Regional Medical Center; University of California, Riverside; Loma Linda University Medical Center; and numerous other office buildings, schools, and hospitals.
CHJ’s testing laboratory enjoys the reputation of being one of the leading materials and soil testing laboratories in Southern California. The laboratory’s record of “Service to our Clients” and technical excellence makes it the testing laboratory of choice for many contractors, material producers, and project owners throughout Southern California.
Our company and staff are members of many professional organizations including:
American Society of Civil Engineers
The Geological Society of America
American Society for Testing and Materials
American Concrete Institute
American Society for Nondestructive Testing
Seismological Society of America
Structural Engineers Association of California
Earthquake Engineering Research Institute