Van Oord unveils new Noise Mitigation System

By: Tom Russell

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01/05/2019 Van Oord
Van Oord and AdBm Technologies have unveiled a new AdBm Noise Mitigation System (NMS), with support from TNO. The NMS is designed to reduce underwater noise resulting from offshore pile driving wind turbine foundations which means less disturbance for marine mammals near the construction site.

Van Oord stated following testing it has decided to use the NMS in future wind farms. The NMS was designed and built at Van Oord and uses special acoustic resonators designed and produced by AdBm Technologies. It can target specific frequencies which can be produce the most noise.

Furthermore, Van Oord claim that waves and currents have little or no effect on the NMS. The development of this system and the related trials were funded through a Renewable Energy Grant from RVO and supported by TKI Wind op Zee.

The NMS has been tested with the results showing that, in combination with a Big Bubble Curtain, it meets the Dutch and Belgian standards for noise emissions at sea. Van Oord will deploy the system at the 731.5MW
Borssele 3&4 wind farm. This offshore wind farm lies approximately 20 kilometres of the coast of Walcheren in the Province of Zeeland. It will also be used the the Borssele V test site.

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About the Author

4C Offshore | Tom Russell