I-696 Sign Replacement
TEC performed geotechnical investigation, and foundation analysis and recommendations for replacement of 14 truss and seven cantilever signs.
The investigation included 21 soil borings and four hand borings at proposed sign locations more than 10 feet from drill rig accessible locations. Extensive coordination and traffic control was required at the I-75 interchange and depressed portion through Pleasant Ridge and Oak Park. Provided recommendations for drilled shaft foundation design and construction and spread footings, (foundation types C, D and E). TEC also provided sheet pile requirements and estimated quantities.