Materials Testing and Special Inspection


We know your project is important, and the process isn’t just about getting the job done. It’s about getting it done right, which means assuring top quality materials and workmanship.

LACO’s Materials Testing and Inspections team is experienced and qualified to help your project meet the required standards and stay on track. We understand that timeliness and flexibility are essential to successful projects, and the quality of your project is our top concern.
Our Materials Testing Laboratories maintain high standards and is certified by:

  • AASHTO Materials Reference Laboratory (AMRL)
  • California Division of State Architect’s Office (DSA)
  • Concrete and Cement Reference Laboratory (CCRL)
  • California Department of Transportation (Caltrans)

LACO’s Special Inspectors maintain certifications issued by:

  • International Code Council (ICC)
  • American Welding Society (AWS)
  • Division of the State Architect (DSA)
  • American Concrete Institute (ACI)
  • California Department of Transportation (Caltrans)

Some of our laboratory testing services include:

  • Soil testing and analysis
  • Aggregate testing
  • Concrete mix design review
  • Compressive strength testing of concrete, grout, and mortar
  • Post installed anchor load testing
Michael Bolen checks plans at Flow Kana

Some of our Special Inspection certifications include:

  • Reinforced concrete
  • Structural steel welding
  • Structural masonry
  • DSA structural masonry
  • Structural steel and high strength bolting
  • Spray applied fire-proofing
  • Non-destructive testing of structural steel welds
  • Density testing of structured fills using Nuclear Density Gauges

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