Geotechnical

General
Geotechnical studies are performed primarily for pavement design and structures (i.e., bridges, retaining walls, etc.), and for excavation and embankment stability evaluation. TxDOT practices are contained in TxDOT’s
Geotechnical Manual
.
Federal Requirements
  1. There are no federal statutes for geotechnical matters.
State Requirements
  1. 43 TAC §§5.59
    ,
    15.56,
    26.33
    and
    27.56
    – Requires projects to be designed in accordance with TxDOT manuals, procedures, standards and guidelines. For RMA, toll and pass-through financed projects, the preliminary design information must be sent to TxDOT for review and approval when the design is approximately 30 percent complete.
Required Practices
The LG is responsible for conducting geotechnical studies in accordance with TxDOT’s
Geotechnical Manual
. The required practices are described in the
LGPM Guide
.