Buried Hazard Detection
The location of buried hazards is essential when remediation is required for development. Non-intrusive surveys provide a cost effective option when detecting targets within localised or extensive areas and are a useful resource for subsequent geotechnical investigations.
360 Group has experience of detecting mineshafts, underground storage tanks, cisterns, culverts, voids and concrete piles. We also undertake structural investigations to detect underfloor heating pipes, chimney voids, basement extents and rebar placement.
We use the most appropriate technologies to detect a buried hazard and employ the same methodologies that are used for topographical surveys to ensure positional accuracy. The techniques used are usually dependent upon the nature of the target, the material (if it is an object), the estimated depth as well as the surface and sub-surface composition.
In many instances a combination of geophysical techniques will be used to cross reference anomalies within the data sets and ensure a positive identification of the target. The position of a detected target can be marked-out on site with the results presented in a technical report along with associated CAD drawings. Usually the success of a geophysical survey will be determined by the measurable contrast between the buried target and the surrounding matrix.