Columbia, SCGeolocation: 34.1124, -80.8508

The Columbia office was established in 2000 as GAGE Group, Inc. GAGE was acquired by Terracon in 2003. The office is well established in the marketplace and is considered the firm of choice among many industry leaders, A/E firms, developers, health care providers, and state agencies. We have geotechnical, environmental, and materials services departments with the abilities to handle the most technical and challenging projects. In addition, we offer blasting and vibration consultation, vapor intrusion system design, RCC mix design and testing capabilities, and high end and complex geotechnical instrumental design.

521 Clemson Rd.
Columbia, SC 29229

Phone: (803) 741 9000
Fax: (803) 741 9900




Kevin Sohrabnia, P.E., Office Manager

Key Projects

I-73 ROW StudyGeolocation: 33.836, -79.0478
Interstate 73 will be a new highway that is planned to run from Michigan to Myrtle Beach, South Carolina. This study area was divided into two projects, a North and a South. The South Carolina Department of Transportation (SCDOT) is in the process of developing Right-of-Way Plans for the Southern Section for approximately 43 miles. The project has been subdivided into three segments A, B, and C. Terracon was retained by the lead design/consulting firm to provide geotechnical services for segments A (18 miles) and C (15 miles). Terracon is the lead design geotechnical firm for segment A…

Saluda Dam Remediation ProjectGeolocation: 34.0007, -81.0348
The Saluda Dam impounds Lake Murray, which is one of the largest lakes on the east coast of the United States. The Dam is an earthen embankment completed in 1930 as part of a 206-Mv hydroelectric facility and is thereby under jurisdiction of the Federal Energy Regulatory Commission (FERC). A coal fired electric facility (McMeekin Station) is also located near the downstream toe of the Dam. In response to a directive from the FERC, the client initiated an engineering remedial design for dynamic seismic loading conditions. The selected remedial design consists of constructing a combination of…

USC Baseball Stadium Site, UST RemediationGeolocation: 34.0007, -81.0348
Terracon was selected by Salem Leasing Corporation to clean up the truck leasing and maintenance facility in Columbia, SC. The environmental remediation contract was funded by the South Carolina Department of Health and Environmental Control (SCDHEC) under the SUPERB pay-for-performance (PFP) program. The site was subsequently purchased in 2006 by the University of South Carolina (USC) for the development of a new baseball stadium complex. The scope of work included Corrective Action Plan/Engineering Report preparation, UST abandonment, ground water remediation, site monitoring and…