Video: Deep Green tidal base floats in Wales

Jones Bros Civil Engineering UK has released a time lapse video of the flotation of the gravity base structure the company built for Minesto’s Deep Green tidal energy installation.

The video was shot at a dry dock by the River Mersey in Liverpool where the gravity base structure was built.

The concrete base measures 21.5 meters x 12.75 meters x 4.7 meters, the manufacturer said.

It is hollow inside to allow for flotation up the River Mersey and across the North Wales coast, the company said. Its cells will then be filled with water to lower it to the bottom of the sea.

Once the structure is at the bottom of the sea in Holyhead Deep, a Minesto device will be secured to a mooring structure on the foundation.

The installation of the 500kW Deep Green tidal plant is expected to begin in April 2018.

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