TDOT Geotechnical Manual Version 2.0

About this manual

The Tennessee Department of Transportation (TDOT) Geotechnical Manual serves as a reference for geotechnical engineering personnel and consultants. It outlines the roles, processes, and workflows for developing transportation improvement projects within the state. The document is structured into an administrative introduction and three technical sections covering specific project types and hazards.

What's inside

• Administrative Information
• Use of Geotechnical Consultants
• Geotechnical Projects with Structural Components
• Geotechnical Projects with Roadway Design Components
• Geotechnical Projects with Geohazards
• Pyrite and Potential APR
• Landslides and Rockfall
• Sinkholes and Subsidence
• Retaining Wall Shop Drawing Checklist
• Soils and Geology Report Checklist

Frequently asked questions

Who is the intended audience for this manual?

The manual is intended for TDOT Geotechnical Engineering Section personnel and retained geotechnical consultants who provide services to TDOT.

What are the three main technical sections of the manual?

The manual covers geotechnical projects with structural components, projects with roadway design components, and geohazards related to TDOT projects.

What is the purpose of the GES File Number?

The GES File Number is used as the primary means for tracking projects within the Geotechnical Engineering Section on all reports and documents.