Case Study
Port of Charleston / USACE — Daniel Island, SC
Geotextile stabilization and erosion control for critical port infrastructure in partnership with USACE.
The Challenge
Problem
The South Carolina Ports Authority and USACE required engineered geotextile solutions for levee stabilization, erosion control, and dewatering at the Daniel Island terminal expansion project. The 47-acre site included tidal zones with 6-foot daily fluctuation, contaminated dredge material requiring containment, and strict environmental compliance requirements for the adjacent marsh ecosystem.
Our Approach
Solution
EFI provided engineered geotextile systems including high-strength levee stabilization fabric, turf reinforcement matting for tidal zones, geotextile dewatering tubes for dredge material, and sediment control barriers. All materials and methods met USACE EM 1110-2-1913 specifications with third-party QA verification throughout the 14-month installation.
Outcomes
Results & Metrics
Key Outcomes
- Met all USACE engineering specifications
- Critical port infrastructure protected
- Long-term erosion control achieved
- Project completed on schedule
- Zero environmental violations during construction
- 47-acre site fully stabilized
“Working in tidal zones with contaminated material requires absolute precision. EFI maintained zero environmental violations across the entire 14-month project — that's rare in our experience.”
USACE Project Engineer, US Army Corps of Engineers
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