IDOT - T2 - STTP S-33 Soils Field Testing and Inspection Course - Ottawa

Tuesday, March 12, 2024 - 1:00pm to Thursday, March 14, 2024 - 12:00pm

Enrollment: Please have one coordinator from your company contact Mr. Brad Young at 217-782-2541 or preferably by email at to enroll students in a class.


Each student will be put on a waiting list for the class of their choice. Two to three weeks prior to class start the student or coordinator will be contacted with confirmation of enrollment. If the student cannot be enrolled in the class, they will be contacted and asked for their second-class choice.


Course Objectives: This course prepares construction and materials personnel with the basic skills and guidance to properly perform field testing and inspection of subgrade, embankment, and shallow foundations for various structures. This course also describes common geotechnical problems and the remedial actions generally used to correct them.


Upon successful completion of the course, students should be able to:

• Determine the field moisture content along with the in-situ wet and (corresponding) dry densities

• Use the Family of Curves and One-Point Proctor to determine the Standard Dry Density (SDD) and Optimum Moisture Content (OMC) of a given soil

• Determine percent compaction and percent of OMC

• Determine soil stability and strength in the field using a Static and Dynamic Cone Penetrometer

• Properly inspect embankment construction

• Check roadway subgrades and determine undercut and treatment depths

• Perform inspection and soil testing to verify or establish the adequacy of foundation material for box culverts and shallow structure foundations




Class Dates/Location:

IDOT District One: Materials Laboratory

101 West Center Court

Schaumburg, Illinois 60196

• December 5 – 7

• March 5 – 7


IDOT District Three: “The Staved Rock” Conference Room

700 East Norris Drive

Ottawa, Illinois 61350

• March 12 – 14


IDOT District Six: Chastain Conference Room

126 E Ash St

Springfield, Illinois 62704

• January 16 – 18


IDOT District Seven: Effingham County Emergency Services Building

311 W Miracle Ace

Effingham, Illinois 62401

• March 26 – 28


IDOT District Eight: District 8 Classroom

1102 Eastport Plaza Drive

Collinsville, Illinois 62234

• February 13 – 15


Barry Kent
Technology Transfer Program Manager

Bureau of Local Roads and Streets

Illinois Department of Transportation

2300 S. Dirksen Parkway, Room 208

Springfield, IL 62764

(217) 785-2350

(217) 720-2300 Cell

Technology Transfer Center (