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Geo-Technology Associates, Inc., Nashville, TN

Since opening in 2021, GTA’s Nashville office has provided geotechnical engineering, construction observation and materials testing, and environmental consulting services across Middle Tennessee, Northern Alabama, and Southern Kentucky. With regional expertise and a practical, client-first approach, we provide sound geotechnical and environmental solutions for construction and development projects of all sizes.

Our Services

Geotechnical Services

  • Geotechnical Feasibility Studies as part of geotechnical site investigation
  • Subsurface exploration and soil investigation
  • Shallow and Deep Foundation Analysis and Design for apartment building, high rise building, and parking lot developments
  • Retaining Wall Design/Recommendations
  • Slope stability analysis and design
  • Shoring Design/Recommendations
  • Ground Improvement Design/Recommendations, including soil stabilization
  • Seismic Analysis
  • Dewatering Permits
  • Groundwater Control Design
  • Subsidence Mitigation and sinkhole remediation
  • Geotechnical Instrumentation and Monitoring
  • Karst Geology Analysis
  • Seepage Analysis
  • Groundwater Control Design for high water table conditions
  • Geotechnical Instrumentation and Monitoring
  • Geotechnical Laboratory Testing, including soil testing 
  • Flexible and Rigid Pavement Analysis/Design
  • Geophysical (MASW/REMI) Studies

Construction Observations and Material Testing (COT/CMT)

  • Engineering consultation
  • Mass Grading – subgrade soil evaluations and structural fill testing
  • Utilities – trench backfill observations and testing
  • Bituminous concrete – Asphalt Inspections and evaluation of pavement damage
  • Foundations –  Rock or Soil Bearing Capacity of Footings (foundation inspection)
  • Chapter 17 Special Inspections
  • Concrete sampling, Slump Test (concrete inspection, compressive strength testing)
  • Site work – Structural Fill Testing, Subgrade Soil, Utility Backfill Operations, and soil stabilization
  • Retaining Wall Inspection, Testing and Certifications
  • Demucking Inspections for soft soil conditions
  • Firestop and Fire Penetrations (firestopping inspection)
  • Laboratory Services, including soil lab testing
  • Threshold Inspections with certified special inspectors
  • Field-welded and Bolted Structures (structural steel inspection, bolting)

Environmental Consulting Services

  • Phase 1 environmental site assessment
  • Phase 2 environmental site assessment
  • Brownfield Services (Including Phase I & II Assessment, Asbestos, Mold, Lead-Based Paint, Wetland, and Vapor Intrusion Evaluations, Brownfield Eligibility Submittal, Brownfield Agreement Consulting, Environmental Action Plan Consulting/Preparation, Environmental Management Plan Consulting/Preparation, Brownfield Cleanup, Annual Monitoring, etc.)
  • Subsurface Evaluations & Groundwater Monitoring
  • Remedial Design and Implementation
  • Vapor Mitigation System Designs
  • Site-Specific Risk Assessments
  • Soil site investigation and subsurface exploration
  • Contaminated soil remediation and groundwater monitoring
  • Brownfield redevelopment
  • Consumptive Use Permits
  • Dewatering Permits
  • Spill, Prevention, Control, and Countermeasures (SPCC) Plans
  • Spill/Release Emergency/Interim Source Removal
  • Soils Management Plans
  • Property Condition Assessments
  • Underground Storage Tank (UST) Removal and Closure Sampling, including underground storage tank removal
  • Hazardous and Non-Hazardous Materials Management
  • Aquifer Testing & Analysis
  • Industrial Discharge Monitoring
  • Stormwater Pollution Prevention Plans (SWPPP) and stormwater monitoring & NPDES inspections
  • Environmental impact studies and support from experienced environmental consulting firms

Natural Resources Services

  • Wetland and Stream Delineation and Permitting 
  • USACE Jurisdictional Determinations
  • TDEC Hydrologic Determinations
  • Biological and Ecological Assessments / environmental impact studies (Tennessee Steam Quantification Tool (SQT) and Tennessee Rapid Assessment Method (TRAM) for Wetlands)
  • Wetland delineation and wetland permitting
  • Stream and Wetland mitigation design and monitoring
  • Wetland Restoration and Enhancement, including wetland mitigation and restoration and stream mitigation
  • Threatened and Endangered Species Surveys, Assessment, and Permitting including endangered species and rare species surveys
  • Tree Survey and Condition Assessments, including tree survey, tree inventory, and tree condition assessment (ISA Certified Arborist On Staff)
  • Invasive Species Management
  • Historic Resource/SHPO Evaluations

Memberships & Associations

Our Team

Contact Us

230 Great Circle Road Suite 244 Nashville, TN 37228

(615)-432-2822

Daniel D. Terranova, PE

Vice President

Geotechnical and COT

Marian R. Rubin

Natural Resources Senior Project Manager

Tom Buchanan

Environmental Senior Project Manager

Construction worker in safety vest smiling and giving a thumbs up on an active job site.

Join Team GTA

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