Locations
GTA Associates, Inc., Greenville, South Carolina
Located on the south side of downtown Greenville, GTA’s office at 1200 Woodruff Road, Suite C-11 has delivered geotechnical engineering services in Greenville, South Carolina since 2022. The team supports projects across Greenville/Spartanburg, Columbia, Charleston, Myrtle Beach, and beyond with soil testing, subsurface investigation, construction materials testing, and environmental consulting. Work also extends into Atlanta and Asheville, covering a wide range of commercial and infrastructure projects across the region.
Our Services
Construction Observations and Material Testing
- Engineering Consultation and construction consulting services
- Mass Grading – Subgrade Soil Evaluations and Structural Fill Testing, including soil stabilization
- Utilities – Trench Backfill Observations and Testing
- Retaining Wall Inspections, Testing and Certifications
- Bituminous Concrete – Asphalt inspection and evaluation of pavement damage
- Foundations – Soil Bearing Capacity of Footings (foundation inspection)
- Chapter 17 Special Inspections with certified special inspectors
- Laboratory Services, including construction materials testing and soil lab testing
- Concrete Sampling (concrete inspection, compressive strength testing)
Environmental Consulting Services
- Phase I environmental site assessment
- Phase II environmental site assessment
- Brownfield Services including brownfield redevelopment and vapor intrusion
- Subsurface Evaluations and groundwater monitoring
- Remedial Design and Implementation for soil and groundwater remediation
- Vapor Mitigation System Designs (vapor intrusion mitigation)
- Property Condition Assessments (property condition assessment)
- Underground Storage Tank Removal
- Risk-Based Closure and environmental remediation services
- Hazardous and Non-Hazardous Materials Management
- Natural Resource Inventory and forestry consulting support
- Forest Stand Delineation and Conservation Plans
- Wetland Evaluations, Delineations, Mitigation, and Permitting (wetland delineation, wetland permitting)
- Stream Restoration and Stream Buffer Enhancement (stream mitigation)
- FERC 7(c) Applications
- NEPA Evaluations and environmental impact studies
- Rare, Threatened, and Endangered Species Surveys and Consultation (endangered species survey)
- Historic Resource/SHPO Evaluations
- Aquifer Testing and Analysis
- Water Supply and Wastewater Permitting Services
- On-Site Wastewater Disposal Feasibility Evaluations
- Nutrient and Hydraulic Loading Analysis
- Groundwater Dewatering, Mounding, and Flow Analysis
- Stormwater Control Measure Inspection / NPDES Stormwater Compliance (stormwater monitoring)
Geotechnical Services
- Geotechnical Feasibility Studies as part of geotechnical site investigation
- Subsurface Investigation
- Ground Improvement Design/Recommendations, including soil stabilization
- Seismic Analysis and seismic site class evaluation
- Subsidence Mitigation and sinkhole investigation
- Geologic Hazard Mapping for soil erosion risks
- Groundwater Control Design for high water table conditions
- Geotechnical Instrumentation and Monitoring
- Seepage Analysis
- Flexible and Rigid Pavement Analysis/Design for roadways and parking lot applications
- Geotechnical Laboratory Testing, including soil laboratory testing
Natural Resources Services
- Wetland delineation and wetland permitting
- Wetland mitigation design and monitoring
- FERC 7(c) Applications
- Invasive Species Management
- Threatened and Endangered Species Surveys, Assessment, and Permitting (endangered species)
- Biological and Ecological Assessments / environmental impact assessments
- Tree Survey and Condition Assessments (tree survey, tree condition assessment) – ISA Certified Arborist On Staff
- Wetland Restoration and Enhancement, including wetland mitigation and restoration
GTA performed a geotechnical subsurface exploration to repair an existing timber retaining wall that was failing. GTA also provided a soil nail wall design and monitored the installation of the soil nail wall. A total of 79 production soil nails were installed to repair the existing timber retaining wall. The soil nails were installed to a depth of approximately 20 linear feet at an angle of approximately 15 degrees from horizontal. In addition, reinforcing steel and shotcrete was installed along the face of the wall.
Featured Projects
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McNeil Court Townhomes
Greenville, SC
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5815 Westpark Drive
Charlotte, NC
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Wyndermere Townhomes
Greenville, SC
Memberships & Associations
Our Team
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With more than 600 engineers, geologists, scientists, technicians, and support personnel, GTA has the expertise, resources, and experience to meet your needs. Reach out to us today.
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