A METHOD AND TOOL FOR INSTALLATION OF AN OFFSHORE WIND TURBINE

摘要

The invention relates to a method and a tool for the installation of a foundation of an offshore wind turbine, said foundation comprising a monopile that is driven into the seabed by means of a pile driving device. The foundation may also comprise a transition piece that is to be mounted on top of the monopile that has been driven into the seabed. According to the invention the method comprises, after the step of lowering a monopile and placing the monopile on the seabed by means of a crane and a upending and lifting tool attached to the lifting block of that crane, the step of connecting the upending and lifting tool, while still attached to the lifting block of the crane, to a pile driving device. The pile driving device is subsequently retained by said upending and lifting tool.