Diaz-Yourman & Associates

Geotechnical consulting services for infrastructure, transportation, and environmental projects

Website

About the firm

Diaz-Yourman & Associates provides geotechnical consulting services. Founded in December 1992, the practice serves transportation, infrastructure, and environmental projects. It delivers site and route evaluation, geologic hazard assessment, seismic design, construction observation, and environmental site characterization.

Established
1992
Firm type
Geotechnical Engineering · Civil Engineering · Environmental Engineering · Forensic Engineering

Capabilities

Geotechnical Design

Evaluates subsurface and geologic conditions to support infrastructure and transportation projects during their planning and design phases.

  • Site and Route Evaluations
  • Geologic Hazard Assessments
  • Seismic Engineering
  • Subsurface Drainage Systems
  • Ground Improvement Strategies
  • Slope Stability Analyses
  • Foundation Engineering
  • Dynamic Analyses
  • Pavement Engineering
  • Geotechnical Instrumentation

Construction Support

Provides field verification, materials testing, and technical advisory services throughout the building process.

  • Material Source Evaluations
  • Construction Observation and Testing
  • Verification of Subsurface Conditions
  • Evaluation of Changed Conditions
  • Foundation Installation Oversight
  • Claims and Dispute Advisory

Environmental Engineering

Conducts site assessments, remediation planning, and regulatory compliance studies to address hazardous materials and environmental impacts.

  • EIR and EIS Technical Studies
  • Environmental Site Characterization
  • Soil and Groundwater Remediation
  • Solid and Liquid Waste Disposal Studies
  • Landfill Assessments
  • Aerially Deposited Lead Studies
  • Phase I Initial Site Assessments
  • Phase II Hazardous Waste Investigations
  • Sustainability Consulting

Forensic and Legal Support

Investigates geotechnical failures and provides expert testimony or technical analysis for legal disputes.

  • Forensic Geotechnical Investigations
  • Litigation and Expert Witness Support

Industries

Highways & Roads · Federal · Commercial · Industrial · Airports · Ports & Harbors · Water Resources · Environmental & Remediation · Rail · Transit · Bridges · Tunnels · Parks & Open Space

Projects

Anaheim Regional Transportation Intermodal Center (ARTIC), Phase 1

Anaheim, CA · Transit

Project details

Geotechnical services for the design and development of the regional transportation gateway's first phase.