Concrete Scanning GPR: What Every Commercial Contractor Needs to Know Before Cutting
Concrete scanning GPR is a non-destructive method that uses ground-penetrating radar to locate rebar, post-tension cables, conduit, and utilities inside a concrete slab before cutting, coring, or drilling begins. A single missed utility line can cost a commercial project more than $56,000 once repairs, downtime, and liability are added up, according to the Common Ground Alliance's 2023 DIRT report. That's the kind of number that keeps project managers up at night. Concrete scanning GPR solves this problem before the first cut is made. On a recent high-rise renovation, a scan revealed an electrical conduit sitting inches from a planned core hole — a discovery that took fifteen minutes and saved the crew a full day of downtime. For commercial contractors, this isn't optional anymore. It's standard risk management. What Is Concrete Scanning GPR? Concrete scanning GPR (ground-penetrating radar) sends radio waves into a slab and reads the signal that bounces back. Different...