What does concrete scanning find before a cut, and what can it miss?

Use one location reference for the drawing, scan record and marks on the concrete. Assign the following handoffs before booking the cut. A scan record is information for review, not permission to make every requested opening.

The scanner surveys the proposed work area and marks indications directly on the floor or wall. Those lines distinguish likely reinforcement and services from areas that need more investigation. The team records the orientation of the marks so a later saw line can be checked against them rather than reconstructed from memory.

Different materials create different responses. A scan may indicate an object without identifying exactly what it is. An electrical conduit, a tendon and a reinforcing bar have very different consequences if hit, so ambiguous marks are treated as constraints until reviewed.

Signal quality varies with concrete composition, reinforcement density, moisture, depth and what lies beneath the surface. Small targets and some non-metallic pipes can be difficult to distinguish. A scan of one face may not give a reliable picture through the entire thickness of a wall or floor.

This is why a clear patch on the screen is not the same as a promise that the cut path is safe. The specialist reports limitations, and the work plan takes those limitations seriously. Additional review is especially important when the consequences of a concealed item are structural.

Structural and service drawings help interpret indications and identify what the scan was expected to find. Where an engineer permits it, a carefully positioned small test core may provide more information before a larger opening is considered. The test itself still requires a reviewed location and protection below.

On suspended slabs, the floor supports occupied space or another level, and an unexpected tendon or service matters to more than the room above. Older commercial floors can carry undocumented alterations. In both settings, scanning is part of planning rather than a decorative check immediately before cutting.

The designer's intended opening is compared with the scanner's marked findings. If the path conflicts, the opening moves only with the necessary design approval; the crew does not erase a mark to fit a saw. The plan also accounts for blade access, overcut, core size and the receiving area below.

Before work starts, the cutter verifies that the location has not shifted after finishes were removed. If marks have worn away or a new obstruction appears, the safe response is to pause and restore a reliable plan. Read about slab sawing for controlled perimeter cutting.

CoreCut Demolition Mississauga plans scanning where embedded services, reinforcement or tendons could intersect the work and insists on appropriate review for suspended structural slabs. We compare the marked cut with the approved scope and ask for clarification when the scan cannot establish a safe path.

For a round penetration, see core drilling. Share the slab information and proposed layout through our site visit request, and tell us if drawings are incomplete rather than assuming the scan can answer every question.