Wallace-Kuhl Logo
Sacramento Earthwork Testing Services Adapting the creations of mankind with the forces of nature

Earthwork Testing Services

The WKA Earthwork Construction Services Department conducts geotechnical engineering inspection and testing during the construction phase of a project. Our exceptional and experienced technicians and inspectors are highly qualified in all aspects of engineered fill construction, roadway and utility improvements, with appropriate CalTrans, NICET and ICC certifications.

WKA has an enduring record of diligence and standard-setting performance in borrow source evaluation, engineered fill quality assurance, subgrade compaction testing, foundation excavation inspection, and utility trench backfill inspection and testing. Our technicians and inspectors are supported by WKA’s entire staff of Geotechnical Engineers, who can rapidly develop solutions allowing construction to continue with minimal delays. Inspectors are equipped with company-supplied vehicles, laptop computers, cell phones and other state-of-the-art communication tools to enhance our professional image and performance on the job site, and to enable us to prepare high-quality reports.

Our Earthwork Testing services include:

  • aggregate testing
  • borrow source evaluation
  • foundation excavation inspection
  • engineered fill quality assurance
  • subgrade compaction testing
  • soils expansion potential
  • lime/cement stabilization
  • geotextile installation
  • utility trench backfill inspection
  • roadway and pavement rehabilitation inspection
  • levee construction testing and inspection
  • slope and hillside construction inspection
  • public works inspection
  • pipeline video inspection and evaluation