GPR & Radio Detection Utilized to Locate Embedded Conduits in a Concrete Slab on Grade at a Retail Store in Ann Arbor, MI

Prior to saw cutting a concrete floor for the purpose of trenching to install new utilities, it’s imperative to have as much information as possible as to what is beneath the surface. There are precautionary measures that can be implemented to ensure existing utilities aren’t compromised during the saw cutting process. Ground Penetrating Radar & Radio Detection are excellent tools to utilize to investigate floors when performed by trained professionals.

An electrical contractor had a project inside a retail store at a mall in Ann Arbor MI where they had to saw cut the floor in numerous locations throughout the space. The purpose was to install new electrical floor boxes throughout the space. Since the retail store was still in operation, it was essential that no existing utilities were compromised during the demolition process. The electrical contractor contacted Ground Penetrating Radar Systems of Michigan to scan the areas of proposed saw cutting to locate any sub-surface utilities. GPRS utilized a 1600 MHz high resolution antenna (GPR) & a radio detection device to perform the investigation. They were able to locate & mark numerous utilities passing through the proposed saw cutting areas. The GPR scan also allowed GPRS to provide a depth to the sub-surface utilities. The plumbing contractor now had the answers they needed to proceed with confidence.

For your next sub-surface project in Ann Arbor MI, contact Regional Manager, Thaddeus Bullock, at 734.377.4551 or

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