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Offshore: testing installation of anchor piles off coast Japan

Toyo Construction Co., Ltd. and Boskalis Marine Services Netherlands, Dieseko has carried out tests at the Ishikari Bay in Japan for installing and removing anchor piles using our vibration technology. In the long term, a wind farm with floating wind turbines will be built here. Piles were driven into the seabed while working 70m subsea. In future these anchors will connect floating wind turbines to the seabed.

The tests have successfully been carried out with our ICE 250NF vibratory hammer equipped with two 350TC hydraulic clamps and driven by an ICE 1600 powerpack. This single hammer can generate a centrifugal force of 5374kN (548T) at 23Hz.

After the tests, Boskalis Marine Services showed their appreciation for working with the Dieseko equipment, crew and project team:

“It was great to work with the Dieseko team during the tendering stage, the project preparations as well as during the offshore execution. From day 1 of the project preparations they were clear in communicating and managing expectations, leading to good results for the project, which was under significant time pressure. The Dieseko team expanded as the project evolved, however they’ve kept the same contact person involved from the very start. Because of that there are less surprises during the project execution. The offshore crew was experienced, so they could quickly mobilize the equipment and perform small repair works if necessary. Last but definitely not least, the vibro hammer worked in line with our expectations, leading to a successful offshore campaign.”