CMT would like to welcome Heath Ridder our new Survey Technician in the Edwardsville, IL office.  After receiving his bachelor’s in construction engineering from Southern Illinois University Edwardsville, Mr. Ridder attained three years’ experience at other consulting firms.  He is skilled in AutoCAD, concrete assessment and management, as well as industrial construction.  He has also provided survey support for the Illinois Department of Transportation and the Illinois Tollway.