Subsurface Utility Investigation (S.U.I.)
 AEI Corporation will utilize all our available geophysical survey equipment, including Ground Penetrating Radar for a quality mark-out of utilities on your project.What if you could conduct a "virtual dig" ahead of the shovels….get a picture of what lies beneath and prevent a disaster instead of creating one? The technologies we use will gives you that vision. AEI Corp. has a solution. Before breaking ground with a bucket, we can verify existing subsurface utilities though our investigation process to save you time and costly repairs, as well as protect your crew from personal injury as a result of a damaged line. This damage prevention program of utility investigation can save clients millions of dollars in avoided utility damage costs. We strive to provide you with cost effective, accurate results to facilitate rapid decision making and project realization.
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Our investigation team will accomplish a complete utility mark-out of specified area as dictated by client; marking encountered known and as well as unknown utilities/facilities in the area as outlined by client, and identifying any possible obstacles or anomalies in the subsurface feature. Surface markings are done with flagging and paint, and will follow APWA color codes. Any utilities found are marked using the best practice for a given situation. We do what is reasonably necessary to achieve accurate mark out of these utilities as well as the unknowns that may be identified through our investigation process. 
