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Ferndale Wastewater Treatment Plant Materials Testing and Special Inspection

LACO provided special inspection, field sampling and testing, and laboratory testing and analysis services for the construction of a new wastewater treatment facility serving the community of Ferndale, Humboldt County, CA. We provided the following services:

  • Special Inspection and Field Testing
    • Special Inspection of high strength bolting
    • Special Inspection of reinforcing steel placement
    • Field sampling and testing of structural concrete
    • Density testing of trench backfill and site structural backfill
  • Laboratory Testing and Analysis
    • Compression testing of concrete field samples
    • Moisture/density curve analysis to facilitate field density testing


Construction of the wastewater facility. We provided materials testing services.