Materials Group ~ Geotechnical Operations

J J Liu, Manager
602.712.7231
Provide geotechnical project access and investigation locations for environmental review.
Provide comprehensive geotechnical exploration and sampling services for the following:
 
Roadway, structure foundation, and building foundation design.
 
Material sources.
 
Special problems on projects.
 
Existing highway problems; slope failures, embankment settlements, etc.
Obtain appropriate samples to determine material characteristics.
Prepare engineering reports documenting exploration and sampling activities.
Install, monitor, and maintain a continuous record of geotechnical monitoring devices and systems on ADOT facilities where required.
Conduct geophysical investigations, as requested.
Compile and maintain an inventory of highway rock slopes for the Rockslope Maintenance System and rockfall hazard ratings.
Coordinate and manage contracts with consultants for statewide on-call geotechnical exploration services.
Provide training opportunities for office staff and field crews.
Provide limited purchasing functions for the geotechnical group.
Provide geotechnical fleet administration and maintenance.
Ensure environmental, historical and storm water pollution prevention for geotechnical field investigation requirements are met.