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Board to draft advisory opinion urging use of signed, sealed surveys over raw LiDAR data
Summary
Members agreed to draft a short technical opinion saying sealed field surveys should be the basis for sealed civil designs and to circulate it to the Tennessee surveyors board for review.
The engineering committee agreed Dec. 5 to develop a short advisory opinion warning registrants that LiDAR and other third‑party elevation products can be inaccurate and that sign‑and‑sealed field surveys should be the basis for sealed civil design work.
Jason Carter, board chair, raised concerns about engineers using LiDAR or publicly available datasets as a substitute for a field survey. "I've heard stories of engineers using that as the basis for design instead of using an actual field survey," Carter said, arguing that registrants must understand the risk when…
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