UXO detection using CPT magnetometer cone

30 January 2017

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As part of its continued growth and strategic development CMS-Geotech has recently purchased the Datem Magnetometer Cone for use with its existing Datem Neptune 5000 CPT to support specialist UXO detection services.

The high-quality titanium and stainless steel Magnetometer Cone incorporates a standard 5cm2 piezocone with sensors for axial load, friction sleeve, pore pressure & dual axis tilt combined with a bespoke magnetometer module. This new cone is capable of repeatable, high performance operation with very low noise and works simultaneously with the CPT allowing the collection of standard CPT data whilst monitoring variations in localised magnetic fields caused by the presence of ferrous metal objects. These magnetic readings are shown in real time both graphically & numerically and are recorded along with the standard CPT data for later analysis.

CMS-Geotech has quickly developed an enviable reputation within the industry for providing high quality CPT data to clients involved in Oil & Gas, cable laying, dredging & offshore construction as well as within Ports & Harbours around Europe. This additional capability will allow CMS Geotech to offer UXO or ferrous metal detection at up to 20m below seabed prior to excavation, dredging or piling helping to ensure project risks are reduced to ALARP levels.

Using the turnkey solution of combined Datem 5000 CPT & Magnetometer Cone to collect both soil engineering information and detect the presence of ferrous metal materials simultaneously offers the client the significant costs savings whilst improving overall project safety.

CMS Geotech Ltd
Marine House, Falmouth Marina
North Parade
Cornwall TR11 2TD
T: +44 7852 981505
F: +44 1326 330460

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