Problem Located in Sedalia, Missouri, State Fair Community College (SFCC) is a public, nonprofit college that serves the educational needs of more than 5,000 students each year from 14 counties in west central Missouri. The William C. Hopkins Student Services Building located on campus started showing visible signs of foundation settlement. The building, which opened in 1987, is a vital part of the everyday operations of the college. Therefore, SFCC brought in Terracon Consultants, Inc. to assess the movements in the upper level floor of the Hopkins building and provide recommendations. Analysis Terracon used ground-penetrating radar (GPR) to perform an upper profile geophysical survey. Results showed multiple voids underneath grade-supported floor slabs that had already settle

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