Ocean Kinetics - Aberdeen Harbour Expansion Case Study
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Aberdeen Harbour – support the £350 expansion project
Client: British Antarctic Survey
Location: Antarctica


To work alongside Aberdeen Harbour and Caledonian Towage to successfully complete the largest marine infrastructure project in the UK.

The challenge involved transporting and implementing the caissons which will form the new south harbour. The 22 caissons were towed over 100 miles across the North Sea, each with a weight of 8,000 tonnes. Optimal sea and weather parameters were mandatory for handling the caissons. Swell, tides, windspeed and wind direction were continuously monitored throughout.

After each caisson arrived in Aberdeen, the harbour tugs were attached, and the caisson was pushed sideways into the berth. The seabed was then prepared, and levelling stone was inserted into the caisson. Following on from this, the caisson was pumped full of water, allowing the structure to be lowered onto the seabed.

Ocean Kinetics was also involved in fabricating and supplying all the materials needed for the contract, as well as providing all the necessary diving equipment. In addition, we carried out relevant inspection and diving works as part of the project, this including seabed inspections prior to the caisson’s arrival and removing the caisson’s underwater tow-points.

The project was completed smoothly, safely and on-time.


4-day voyage to location
10-day operation
-12°C minimum temperature
1.4m split in the quay, 9m split goes underwater
“The safe arrival and placement of the final caisson is a huge achievement for all those involved in the project, and my particular thanks go to those within the AHEP team, and at Cromarty Firth, Ocean Kinetics, Caledonian Towage and Pirie & Smith.”
Keith Young, Aberdeen Harbour Expansion Project, Project Director


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For assistance and support please contact:

Michael Fox
T: 0774 067 5464