full screen background image

700 South Industrial Way
Seattle, WA 98108

Forensic Engineering and Laboratories

Civil Engineering


MDE's investigative team brings a wide variety of experience and expertise to matters involving civil engineering design and construction.  Our areas of expertise include:

Municipal and private water supply, sewer and stormwater systems

  • Sewer and septic system failures
  • Sanitary and stormwater routing control systems
  • Water supply and sprinkler systems
  • Stormwater collection systems
  • Site grading / surface drainage evaluation

Geotechnical (Soil Mechanics)

  • Foundation shifting and settlement
  • Retaining wall movement or failure
  • Ground slope stability
  • Groundwater
  • Piles and pile driving
  • Ground vibration


  • Structural damage assessment
  • Water intrusion and material decay (rot)
  • Chemical damage to structural components
  • Building code compliance
  • Vibration and seismic damage
  • Evaluation of original design and construction (construction defect)
  • Post-fire structural evaluation
  • Chemical and biological contamination (mold)

Roadways, pavements and municipal construction

  • Concrete and asphalt pavement evaluation
  • Sidewalk and stairway construction
  • Municipal design and construction standards
  • Non-traditional walkway analysis