TW Alexander Drive Extension

Project Summary
TW Alexander Drive Extension involved the construction of new sections of T.W. Alexander Drive and ACC Boulevard in Raleigh.
Project Description
TM Engineering Inc. provided geotechnical engineering consulting services, construction materials testing, and inspections during construction of the T.W. Alexander Drive and ACC boulevard project. Specific aspects of the project included excavation and reuse of shallow rock and controlling earthwork to minimize the properties of highly plastic clays typical to the Triassic Basin. The client for this project was Withers & Ravenel, Andy Johnson. Services provided included: • Observed site preparation prior of placement of fill • Provided creative earthwork solutions for minimizing undercuts for poor quality soil conditions & temporary access roads • Performed classification and testing of controlled fill materials • Verified use of proper materials, densities, and lift thicknesses during placement of and compaction of fill • Utility backfilling inspection and testing • Foundation inspection • Evaluated repairs during earthwork and culvert installations • Steel reinforcing inspections • Evaluation of rock excavation methods & quantification • Slope Stabiliy analysis • Concrete sampling and compressive strength testing • Inspection and proofrolling of subgrade and base course for pavements
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