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FEATURE SPONSOR


UNEXPLODED ORDNANCE


LATEST TECHNOLOGY


Boskalis’ latest innovation is the SubTEM system. The system is a multiple transmitter, multiple receiver, advanced electromagnetic detection and discrimination system that can be applied to underwater UXO surveys on different platforms, either floating in the water or on the seabed. As indicated in the image, the system is installed on a sled towed on the seabed by a suitable survey vessel. This detection and discrimination system clearly identifies cylindrical and unsymmetrical objects. A cylindrical object with a relatively high metal mass such as an unexploded bomb generally exhibits a characteristic signature that can also be compared to library signatures of known UXO objects for identification. Unsymmetrical objects exhibit signatures that prove they are not symmetric allowing to rule them out as UXO and sign the according locations off. On average 10–40% (depending on


project circumstances) of the objects detected in the initial magnetometer survey are identified as potential UXO when inspected using the system. The majority can be signed off as not relevant with respect to UXO or dredging obstructions, without the need for further investigation.


These include the use of appropriate work class ROVs, the combination of gradiometer and EM survey methods during exploration and discovery as well as the development of innovative sensors and clearance tools.


COMPANY STRENGTHS


In combining their experience in this demanding and rapidly growing sector, the company’s strengths focus on…


• UXO Risk Assessment including historical research


• UXO survey preparation, execution, processing and evaluation


• UXO identification and disposal • Research & Development of technologies


HEALTH, SAFETY AND THE ENVIRONMENT


The safety of personnel and the environment are the main objectives of the company – their experienced workforce constantly working to improve techniques and working methods in order to achieve the highest safety standards.


NINA PROGRAMME


Their NINA programme (No Injuries, No Accidents) was launched to create a working environment without accidents and incidents. This is supported by the regular offshore related safety training of their staff. The company continues its traditions of highly motivated personnel coupled with modern technology and is ready and willing to face the tasks and challenges of the future.


IDEAL SOLUTION


SubTEM as a combined detection and discrimination system is the ideal solution for UXO survey and target interrogation, significantly reducing costs and UXO-related project time while at the same time increasing safety with respect to UXO. It revolutionises the approach to underwater UXO detection and investigation, allowing for significant savings in UXO-related projects.


Boskalis Hirdes SubTEM is a trademarked product SCAN/CLICK SCAN/CLICK SCAN/CLICK


WEBSITE


BROCHURE


EMAIL


www.windenergynetwork.co.uk


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