Wilding Scenic

Construction Materials

The Construction Materials Testing and Inspection Department has a wide range of technical ability and experience. We provide materials testing for all types of residential and commercial land development projects. We also provide civil inspection services and testing for electrical substation construction and proposed transmission lines. These services consist of soil and asphalt compaction testing, drilled pier inspections, concrete field and compressive strength testing, and reinforced concrete inspection. We have an accredited laboratory through the AASHTO Accreditation Program (AAP).  Our laboratory is inspected through AASHTO re:source and Cement and Concrete Reference Laboratory (CCRL) to ensure compliance with AAP.  View our complete list of laboratory accreditations here: AASHTOresource.org Accreditation

Onsite Testing and Inspection

  • ACI Field Testing Technician Certified
  • Nuclear Density Gauge Certified
  • Power Substation Safety Trained
  • Compaction Testing (Soil, Asphalt)
  • Concrete Testing
  • Foundation Inspection
  • Retaining Wall Inspection
  • Percolation Testing


  • AASHTO re:source Accreditation Program Certified
  • ACI Certified Aggregate and Strength Testing Technicians
  • Proctor
  • Atterberg Limits
  • Gradation
  • Direct Shear
  • Hydrometer Analysis
  • Concrete Cylinder Breaking
  • Specific Gravity
  • California Bearing Ratio (CBR)