Eureka   (707) 443-5054   |   Ukiah   (707) 462-0222   |   Santa Rosa   (707) 525-1222


Materials Testing and Special Inspection

We provided materials testing and special inspections during this massive concrete pour for the new Humboldt Bay Power Plant.

LACO’s Materials Testing and Inspections team has the knowledge, experience, and qualifications to meet the demands of your project. We understand that timeliness and flexibility are essential to successful projects, and the quality of your construction 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


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 fireproofing
  • Non-destructive testing of structural steel welds
  • Density testing of structured fills using Nuclear Density Gauges



Contact Our Experts:

For projects in Sonoma, Mendocino, Lake, Napa, Solano, and Marin Counties:
Ted Crump, PE
(707) 322-1748 Cell


For projects in Humboldt, Trinity, and Del Norte Counties:
Dale Romanini
(707) 496-9273 Cell

Relevant Projects


Statement of Qualifications