A method of building an offshore windmill includes, using a 3D-heave-compensated crane, placing on a windmill pedestal a lifting jack having a receiving region, and fixing the lifting jack to the windmill pedestal such that the lifting jack can be later removed, and such that a windmill column can be placed within the receiving region directly on the windmill pedestal. The windmill generator is installed using the 3D-heave-compensated crane. The windmill column is partially erected on the windmill pedestal using the 3D-heave-compensated crane and the lifting jack. Before the windmill is fully erected, windmill blades are placed on the windmill generator using the 3D-heave-compensated crane, and the erection of the windmill column on the windmill pedestal is completed using at least the lifting jack. Using the 3D-heave-compensated crane, the lifting jack is removed from the windmill pedestal.


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    Title :

    Method of building an offshore windmill


    Contributors:
    BORØY YNGVAR (author) / STRAND THOR (author)

    Publication date :

    2020-02-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F03D Windkraftmaschinen , WIND MOTORS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B66C Krane , CRANES / E02B HYDRAULIC ENGINEERING , Wasserbau / E04H Gebäude oder ähnliche Bauwerke für besondere Zwecke , BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES



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