Construction method of spur-type offshore wind power generation equipment

Abstract

To safely and efficiently construct spur-type offshore wind power generation equipment by using a crane-mounted floating body without using a large-sized crane ship, or while minimizing a use of the large-sized crane ship.SOLUTION: A tower 6 is attached to a floating body 4 which is the same as a floating body 4 of offshore wind power generation equipment 1, and a crane-mounted floating body 2 having crane equipment 3 at an apex of the tower 6 is floated on the sea, and installed (first step). When the plurality of floating bodies 4 are floated on the sea, these floating bodies 4 and the crane-mounted floating body 2 are integrally connected to each other (second step). Then, the tower 6, a nacelle 8 and a blade 9 are attached to an upper part of each floating body 4 by using the crane equipment 3 of the crane-mounted floating body 2, and the offshore wind power generation equipment 1 is completed in construction (third and fourth steps). When the offshore wind power generation equipment 1 is completed in the construction, the constructed offshore wind power generation equipment 1 is separated from the crane-mounted floating body 2, and installed in a prescribed position (fifth step).SELECTED DRAWING: Figure 17

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