CASE STUDIES
Rebar Detection at the National Physical Laboratory
Hitting rebar can not only cause time and money problems for a project but can also cause structural issues. SUMO recently carried out a survey at the National Physical Laboratory to help them locate rebar.
The objective:
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SUMO Geophysics was asked to determine the location of rebar at the National Physical Laboratory in Teddington.
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The client believed the rebar spacing to be 200mm but needed clarification and its precise location.
The process:
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Ground Penetrating Radar Survey (GPR) conducted on-site.
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The Survey used a GSSI High Frequency Radar antennae to locate the rebar.
The results:
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The survey determined that the site was reinforced and the bars were located between the depths of 0.07m and 0.25m. Spacing between 0.20 and 0.60m.
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The information provided by the survey allowed the client to work in-between the rebar to install industrial machinery and fix it to the concrete slab.
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With a fast turnover SUMO were able to locate the rebar and report back to to the client promptly. The client was able to install the machinery within 3 days of our initial site visit.
The survey has been significant help in locating, reinforcing and enabling precise location of machine bolt down anchors to avoid cutting through the rebar. The SUMO service was very prompt and they were able to show up on site at short notice. Richard was polite, professional and very helpful. He took the time to explain the process and show us on the ground what he had identified.
Geoff Stammers, Head of Engineering Services, National Physical Laboratory
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