THD Design Group, Inc.
Surveying Services and Boundary Surveys.
About the firm
THD Design Group, Inc. is a civil engineering, geotechnical engineering, and land surveying firm headquartered in Chesterfield, Missouri, with over 50 combined years of experience across civil engineering, geotechnical engineering, land surveying, and construction management. THD Design Group serves commercial and industrial, municipal, residential, and parks and recreation clients. Gateway Geotechnical, providing geotechnical design and construction services since 2006, became part of THD Design Group in 2017.
- Firm type
- Civil Engineering · Geotechnical Engineering · Land Surveying
Capabilities
Surveying Services
Boundary, topographic, as-built, and construction surveys using robotic total stations and AutoCAD technology for precise data collection and transfer.
- Boundary Surveys
- As-Built Surveys
- Condominium Surveys
- Control Survey
- Re-Subdivisions of Property
- Zoning
- ALTA/NSPS Land Title Survey
- Topographic Surveys
- Construction Stakeout
- Record Plats
- Right-of-Way
- Plat of Easement / Plat of Vacation
- Surveyor's Real Property Reports
- Elevation Certificates
- Legal Descriptions
- Location of Improvements
Civil Engineering
Full-service civil engineering from initial concept through design, mapping, bid, and construction administration, with support through contractor and field surveyor coordination.
- Site Plans
- Annexation and Rezoning
- Sanitary Sewer Design
- Lift Station Design
- Potable Water Mains
- Lake Design
- Road Design
- Streets and Parking Lots
- Grading Plans
- Detention Facilities
- Storm Water Management
- Storm Water Pollution Prevention Plans (SWPPP)
- Flood Plain Studies
- Letters of Map Revision
- Construction Estimates
- Construction Administration
Geotechnical Engineering
Geotechnical and geophysical exploration, soil characterization and classification, foundation analysis and recommendations, and construction observation and testing.
- Field Exploration
- Laboratory Testing
- Foundation Analysis and Recommendations
- Construction Observation and Testing
- Earthen Dams and Levees
- Retaining Walls
- Roadways and Pavement
- Drainage and Groundwater Control
- Structural Concrete
- Subgrade Improvement
- Seismic Categorization
- SWPPP Compliance
- Expert Testimony
Industries
Commercial · Industrial · Government · Residential · Parks & Open Space · Education · Religious
Projects
No projects listed yet.