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Offshore does not always mean the ocean

Contracted by Structural Soils, Robertson Geo carried out work on a borehole located within a lake. The borehole was positioned over water at the potential foundations of a HS2 railway viaduct.

To complete the drilling and logging of these boreholes a pontoon was constructed to carry the drill rig, allowing it to be positioned at multiple target locations across the lake. Rib boats were used to maneuver a smaller platform, containing supplies over to and from the larger drill rig pontoon.

Portable Robertson Geo equipment was used for easy transportation to and from the pontoon. The kit included a 120m Mini Winch and surface unit, High Resolution Optical Televiewer (Hi-OPTV), High Resolution Acoustic Televiewer (HRAT), 3-Arm Caliper and PS Logger®.

Our Engineers are specially trained and equipped to work in this environment as they have undergone several specialised training courses such as Basic Offshore Safety Induction and Emergency Training, First Aid and Boat Transfer training amongst others.

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