Concrete Insight LLC

 Picture a crew on a tight schedule. The core bit is set, the mark is made, and the drill starts cutting. Then comes a grinding sound and the bit stops. It has hit rebar, a conduit, or something worse. Now the schedule slips, the slab needs evaluation, and everyone is asking who approved that location. Situations like this are common, and they are almost always avoidable. Professional concrete scanning services show you what is inside a slab, wall, or column before you cut into it. What Is Hiding Inside Your Concrete? Concrete rarely contains only concrete. Depending on the structure, a single slab can hold: Reinforcing steel (rebar) and welded wire mesh Post-tension (PT) cables under high tension Electrical conduits and low-voltage lines Plumbing, drains, and embedded sleeves Voids, honeycombing, or changes in slab thickness Drawings help, but they are not always accurate. Field changes, renovations, and older buildings with incomplete records mean the plans may not ma...

 A core drilling machine cuts whatever it meets, and it cannot tell concrete from a conduit. That is a real problem for core drilling on commercial slabs. OSHA's silica standard (2016) sets an exposure limit of 50 micrograms per cubic meter over eight hours, with an action level of 25. A bad hit means a re-cut, and a re-cut means more dust. Scanning first avoids both problems. -What Does a Core Drilling Machine Do? A core drilling machine uses a diamond-tipped bit to cut clean holes for pipes, conduits, and anchors. It cuts rebar and cables as easily as stone. Why Does GPR Concrete Scanning Come First? GPR concrete scanning sends radar into the slab and reads the reflections. Steel, conduits, and voids show up before the bit turns. A common scenario: the drawings show a clear slab, but the scan finds a conduit inside a planned hole. The crew shifts the hole a few inches and the schedule holds. In my opinion, that is the best argument for scanning every time. How Does ...