If preliminary (historical) research has shown that possible unexploded remnants of war (OO) from World War II have been left in the soil, this should be investigated further before starting any earth moving activities, such as building or drilling. Any duds such as aerial bombs or other explosives should be located, approached and removed.

Innovative and efficient soil detection
Our (senior) experts-OOO (Detection of Explosive Remains of War) detect them by means of soil detection. Our expertise includes detection on land as well as underwater or even in built-up areas using our UXOscope.

The environment, soil structure, water depth and the depth at which we expect to find the explosives determine the method(s) of detection. We therefore start with a thorough investigation plan in which we consider all these factors to arrive at the best method of investigation.

Approach and secure

After careful interpretation of all detection data, we retain objects that may be an Explosive War Remnant. We approach these objects carefully, and if possible, we remove them immediately and secure them in a special unit. Sometimes an object cannot be moved, due to its complex location or the risk of explosion, detonation or deflagration.

The team, led by a Senior Expert-OOO then immediately takes necessary measures to keep the area safe. When explosive remnants of war have been found and identified, they are transferred to the EODD(Explosieven Opruimingsdienst Defensie). In the Netherlands, the EODD is responsible for clearing and destroying these objects.

Bomb detection and drilling in one

The UXOscope provides the unique ability to combine horizontal directional drilling in suspect areas with detection of explosive remnants of war. This makes it possible to efficiently drill under buildings or rivers, busy roadways and near pipelines that are difficult to reach from the ground surface

As a hydraulic contractor, dredging is one of our areas of expertise, naturally we have equipment to separate objects from soil/soil during our dredging work. Thus we can excellently combine that with securing Explosive Remains of War and vice versa.

The bottom of the ‘Winterhafen’ in Mainz, Germany, was suspect for Explosive Remains of War, but needed to be deepened. Especially for such specialized dredging work, we developed a secure sieve, which is placed on the dredger. In doing so, the OOO experts sit with their nose on the sieve, but behind a 5 cm thick bullet-proof lexan window. In this way they keep a constant eye on what lands on the sieve in a safe way.

Leftover explosives and ammunition were thus safely removed from the dredge spoil and secured. In addition to ammunition, parts of detonators and drop weights from incendiary bombs, many other items were found. For example, a bayonet from World War I, old coins and even a carnival emblem from 1934!

Our UXO detection projects

ECOLOGICAL OPTIMIZATION CORTENOEVER
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CONSTRUCTION TIDAL PARK KEILEHAVEN ROTTERDAM
SEWER PIPES DAM IN NEW WATERWAY
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