Lab Services

In the business of Construction Materials Testing, KBJW’s goal is to provide excellent service and accurate testing results with fair and competitive pricing. KBJW’s has a state of the art American Association of State Highway and Transportation Officials (AASHTO) and United States Army Corps of Engineers (USACE) accredited lab where we are able to perform the tasks associated with construction materials testing.

Our commitment to training and quality assurance provides our clients with results that they can trust. Our lab specializes in testing of soils, concrete, grout, and aggregates. Our specific testing capabilities are listed.

Areas of Expertise

  • AASHTO Certified
  • US Army Corps of Engineers Certified
  • Concrete Compressive Strength Testing
  • Grout Compressive Strength Testing
  • Atterberg Limits
  • Standard and Modified Proctor

  • California Bearing Ratio (CBR)
  • Grain Size Analysis
  • Hydrometer Analysis
  • Specific Gravity and Absorption of Fine and Coarse Aggregates
  • Natural Moisture Content
  • Organic Impurities in Fine Aggregate

Work with us

Let us help you with your environmental projects.

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Recent Lab Services Projects