01 Jan 2022: Three of the wind farm foundations will feature innovative collared monopile design. The three collars will be installed in the second half of 2021 The ‘collared monopile’ was developed by the German civil engineering company JBO based on the RWE patent. The new technology will provide additional support for lateral loading, increase the bearing capacity and improve the structural integrity of the entire foundation – especially in difficult ground. Bladt Industries was selected as manufacturer. DEME Offshore will transport the three collars from the manufacturer’s load-out port in Aalborg, Denmark, to the Kaskasi construction site. Then the DEME Offshore team will install the steel collars around three of the 38 monopile foundations for which DEME will deploy the versatile jack-up vessel NEPTUNE. The space between collar and monopile foundation will be filled with grout material to create a stable connection.
Location:
Germany
Status:
Pre-Construction
Capacity:
342 MW
4C Offshore | Location Map: Lat(54.489) Lon(7.695)

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Power & Turbines
Windfarm Capacity
342 MW
Turbine Model
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Other Turbine(s) Used
Min. Turbine Capacity (MW)
Max. Turbine Capacity (MW)
Min. Number of Turbines
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Max. Number of Turbines
Total Turbine Height
Hub Height
Rotor Diameter
Foundation Type
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Foundations on Wind Farm
Foundation Comments

Location & Environment
Sea Name
North Sea
Latitude
54.48915°
Longitude
Area
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Depth Range (Chart Datum)
Depth Range (Stated by Developer)
Distance from Shore (Developer)
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Distance from Shore (Computed)

Ports
Installation Base
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Ops and Maintenance
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Grid
Number of Offshore Platform(s)
1
Shared Platform Type
Grid Connection Point
Cable Landing Point

Export Cables (AC & DC)
Number of Export Cables (AC)
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Average Length per Cable (AC)
Additional Requirements (AC)
Nominal Voltage (AC)
Number of Export Cables (DC)
Average Length per Cable (DC)
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Additional Requirements (DC)
Nominal Voltage (DC)

Nominal Voltage
Comments

Onshore Cables
Number of Onshore Cables
Average Length per Cable
Comments
Expected Life