What we do

GEOTECHNICAL ENGINEERING

CHJ Consultants has performed thousands of geotechnical investigations, ranging from single-family residences to large commercial developments. Subsurface investigations are performed by staff geologists, who are supervised by Professional Geotechnical Engineers and Certified Engineering Geologists.

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SOILS TESTING

Our personnel perform observation and compaction testing for earthwork and construction projects. Our experienced technicians are directed by our geotechnical engineers and engineering geologists.

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ENGINEERING GEOLOGY

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.

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ENVIRONMENTAL CONSULTING

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.

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LABORATORY TESTING

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 technical and customer service excellence makes it the testing laboratory of choice for many contractors, material producers, and project owners throughout Southern California.

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CONSTRUCTION INSPECTION

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.

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