Langan Engineering and Environmental Services

Geotechnical Service

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Langan earned its reputation as a premier geotechnical consultant by managing hundreds of projects involving complex, technically challenging sites where highly specialized site preparation, foundations, and fast-track engineering solutions were required. We work closely with our clients and the design and construction team to engineer cost-effective geotechnical solutions appropriate for proposed structures and the governing site conditions.

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Services provided include:

  • Sub-surface investigations
  • Foundation design
  • Seismic analysis and numerical modeling
  • Earth retaining structures, excavation support, and underpinning design
  • Ground improvement and soil/rock slope stabilization
  • Tunneling, underground, and trenchless construction
  • Waterfront design and marine engineering
  • Temporary and permanent groundwater control
  • Controlled inspection and instrumentation monitoring during construction
  • Forensic studies and expert testimony