Sterling Geophysical Surveys provide a range of leading edge, non intrusive investigation services to the utility and engineering sectors.
As well as such core activities as utility detection, we provide a diverse range of geophysical solutions to engineering problems using techniques such as Ground Penetrating Radar, Infra-red, Linear Polarisation and EM to name a few.
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Utility Detection and Mapping – SGS can provide expert utility detection and mapping services without the need for any intrusive excavations. This service can be tailored to your own particular project requirements where you want to manage the risks, cost and your reputation. Rather than relying on inaccurate utility records to design your project, we can pinpoint the actual position and depth of all utility services thereby giving you more confidence on site. Traced utility services are mapped by our topographical surveyors and the information is then presented as either a hard copy or as a Cad file. |
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Virtual Trial Hole Inspection - Sterling’s Virtual Trial Hole utility detection service provides a real alternative to traditional labour based excavation methods. We can significantly reduce environmental and safety disruption, and additionally NRSWA administration concerns. If you require the targeting and avoidance of utility services in small areas, then our service is the quickest and cheapest answer. |
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Structural Surveys - utilising a range of non-destructive techniques to evaluate concrete and masonry structures. These investigations are often needed to confirm drawing details prior to modifications to ensure safe loads are not exceeded. |
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Reinstatement Evaluation - Using Ground Radar techniques, we can identify the layered thickness of reinstatement materials. Additionally the voiding of reinstatement and other sub surface anomalies can be identified and recorded. |
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Cable Fluid Leak Detection – SGS can detect the location of leakages from fluid filled utility cables through the use of ground radar and thermal imaging. Accurate targeting is achievable down to the nearest metre, thereby eliminating unnecessary excavations and disruption. |
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Void Detection – We provide services to identify issues such as washouts or settlement gaps beneath roadways or floor slabs, un-grouted masonry cells, bubbles in concrete pours etc. We are able to detect and delineate these issues using non-intrusive geophysical techniques. |
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Embankments – SGS are able to identify the causes of embankment slippage, the thickness of the retaining wall, leakage through the concrete and the presence of voids behind or within the wall itself or within the embankment, such as those formed by animal burrows. |
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Brown Field Sites - Brown field sites are being increasingly redeveloped after decades of industrial use. We provide a suite of non-invasive geophysical techniques which can provide quick and accurate mapping information on man-made hazards, redundant utility services, sinkholes or contamination. |
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Overhead Line Inspection - SGS overhead line survey work involves providing experienced utility engineering resources to support aerial surveying. This involves engineering and safety patrols of Distribution Network Operators overhead line networks. |