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Geotechnical Design

SCDOT has developed manuals and specifications to provide engineers with the Department's standard design policies and practices.

Geotechnical Design Manual, Version 2.0 (2019)

The Geotechnical Design Manual (GDM) provides uniform design practices for designers preparing geotechnical reports and contract plans for SCDOT projects.

This Manual should be used in conjunction with:

gINT Files
Rock Coring Summary
Shelby Tube Log
ERS and Ground Improvement Selection Matrix
Bridge Design Manual
Seismic Design Specifications for Highway Bridges

Any questions concerning the applicability of procedure, analysis, or method should be directed to the Preconstruction Support - Geotechnical Design Section (PCS/GDS).

Manual by Chapter Complete Manual


Geotechnical Design Bulletins are issued to supplement or revise the GDM.

Consultant Seismic Information Request Form

Submit requests for seismic hazard map information to the appropriate Regional Production Group - Geotechnical Design Section. Use the Consultant Seismic Information Request - GDF 002 Form (PDF 345 Kb). For questions, refer to the Geotechnical Design Manual or contact the appropriate Regional Production Group - Geotechnical Design Section.

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Geotechnical Drawings & Details

Drawings are available in Microstation DGN and PDF formats.

Drawings & Details
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