Monopile installation on Amalia Offshore Wind Farm
MONOPILE INSTALLATION ON AMALIA OFFSHORE WIND FARM
In 2018, the CAPE VLT-320 Tandem was used to upend and install a 4 meter diameter monopile with a slip joint and a length of 56.6 meter, in a water depth of 24 meter at the Amalia Offshore Wind Farm off the Dutch coast.
The pile was installed three times and extracted twice as part of a testing campaign during the Slip Joint Offshore Research test by DOT with the CAPE VLT whereby the pile was installed free hanging from the crane (no guiding of pile support frame used) using the Dynamic Positioning (DP) system of the installation vessel.
These tests provided a lot of knowledge about the versatility and usability of the vibro lifting technology, including correcting the verticality using the Dynamic Positioning system.
The pile was driven to final penetration and left behind for the next stage in the project.
Application details
Monopile installation and extraction
Monopiles
22-24m
19m
PILE DETAILS
Monopiles
Slip joint
56.6m
300t
40-60mm
3.26-4m
1
PROJECT DETAILS
2018
North Sea
The Netherlands
Amalia Offshore Wind Farm
Offshore Renewables
Offshore Wind Turbine & Research
DOT
Heerema Marine Contractors
Heavy Lift Vessel
Aegir, Heerema Marine Contractors
Dynamic Positioning
Main Reasons for solution choice
CAPE VLT-320
CAPE VLT-320 Tandem
640kgm
1,000t
vibro
lifting
technology
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