Offshore foundation structure with gangway and improved boat landing
An offshore foundation structure includes a jacket portion having a plurality of struts interconnected in a framework-like manner, and a receiving means for a tower shaft of a wind power installation. The platform is arranged at least partially in the interior of the jacket portion. The offshore foundation structure also has a gangway and a lift.
1. An offshore foundation structure, comprising:
a jacket portion comprising a plurality of struts interconnected in a framework,
a receiver for a tower shaft of a wind power installation, and
a platform extending across an entire internal cross-section of the jacket portion above at least one of the plurality of struts, the platform comprising a central portion, an ascension region for receiving an ascension device, and at least one gangway extending radially from the central portion, the at least one gangway being at least partially within the internal cross-section of the jacket portion,
wherein the at least one gangway is directly connected to at least one of the plurality of struts to connect the at least one of the plurality of struts to the central portion, and
wherein the at least one gangway is directly connected to a climbing device to connect the climbing device to the ascension region.
2. The offshore foundation structure of claim 1 , further comprising one or more of:
a docking arrangement, and
a landing structure and/or a boat landing for docking of a boat.
3. The offshore foundation structure of claim 2 , wherein the platform is reached from the docking arrangement via the climbing device.
4. The offshore foundation structure of claim 3 , wherein the climbing device connects the docking arrangement to the platform.
5. The offshore foundation structure of claim 1 , wherein the platform is of a triangular, quadrangular, hexagonal or round basic shape or is part of the basic shape.
6. The offshore foundation structure of claim 1 , wherein the jacket portion has regions having substantially horizontally extending struts and the platform is arranged in said regions.
7. The offshore foundation structure of claim 6 , wherein the platform is connected to at least one horizontally extending strut via a welded or clamping connection.
8. The offshore foundation structure of claim 1 , wherein the platform has a railing.
9. The offshore foundation structure of claim 1 , wherein the platform has a roof.
10. The offshore foundation structure of claim 1 , wherein the jacket portion has at least one wave-breaking element in the region of the platform.
11. The offshore foundation structure of claim 1 , wherein, in the region of the platform, the jacket portion has at least one grid extending between the plurality of struts of the framework.
12. The offshore foundation structure of claim 1 , further comprising a plurality of piles configured to be anchored underwater in the seabed, wherein the jacket portion is connected to the plurality of piles above the water.
13. An offshore foundation structure, comprising:
a jacket portion comprising a plurality of struts interconnected in a framework having an interior,
a receiver for a tower shaft of a wind power installation, and
a platform arranged in a center of the interior of the jacket portion above at least one of the plurality of struts, the platform comprising a central portion, an ascension region for receiving an ascension device, and at least one gangway extending radially from the central portion, the at least one gangway being at least partially within the interior of the jacket portion,
wherein the at least one gangway is directly connected to at least one of the plurality of struts to connect the at least one of the plurality of struts to the central portion, and
wherein the at least one gangway is directly connected to a climbing device to connect the climbing device to the ascension region.
14. The offshore foundation structure of claim 13 , wherein the at least one gangway has two railings which laterally delimit the path of movement.
15. The offshore foundation structure of claim 13 , wherein the at least one gangway is roofed.
16. The offshore foundation structure of claim 13 , wherein the at least one gangway is enclosed with a grid structure.
17. The offshore foundation structure of claim 13 , wherein the at least one gangway extends substantially perpendicularly with respect to a longitudinal axis of a foundation structure and intersects said longitudinal axis.
18. The offshore foundation structure of claim 13 , further comprising a plurality of piles configured to be anchored underwater in the seabed, wherein the jacket portion is connected to the plurality of piles above the water.
19. An offshore foundation structure, comprising:
a jacket portion comprising a plurality of struts which are interconnected in a framework having an interior,
a receiver for a tower shaft of a wind power installation, and
a platform arranged in a center of the interior of the jacket portion above at least one of the plurality of struts, the platform comprising a central portion, an ascension device for climbing into an interior of the tower shaft, and at least one gangway extending radially from the central portion, the at least one gangway being at least partially within the interior of the jacket portion,
wherein the at least one gangway is directly connected to at least one of the plurality of struts to connect the at least one of the plurality of struts to the central portion, and
wherein the at least one gangway is directly connected to a climbing device to connect the climbing device to the ascension device.
20. The offshore foundation structure of claim 19 , wherein the ascension device is a ladder leading from the platform into the interior of the tower shaft.
21. The offshore foundation structure of claim 19 , wherein the ascension device is a lift.
22. The offshore foundation structure of claim 19 , wherein the ascension device extends substantially along a central axis of the jacket portion.
23. The offshore foundation structure of claim 19 , wherein the ascension device is accessible from two or more sides.
24. The offshore foundation structure of claim 19 , further comprising two or more docking arrangements and corresponding two or more gangways which all lead to the ascension device.
25. The offshore foundation structure of claim 19 , wherein the platform is arranged about 10 to 15 meters below the tower shaft.
26. The offshore foundation structure of claim 19 , wherein the ascension device is of a length of not more than 8 meters.
27. The offshore foundation structure of claim 19 , further comprising a plurality of piles configured to be anchored underwater in the seabed, wherein the jacket portion is connected to the plurality of piles above the water.
28. An offshore foundation structure, comprising:
a jacket portion comprising a plurality of struts interconnected in a framework,
a receiver for a tower shaft of a wind power installation, and
a platform extending only across an entire internal cross-section of the jacket portion above at least one of the plurality of struts, wherein a part of the jacket portion is above the platform, the platform comprising a central portion, an ascension region for receiving an ascension device, and at least one gangway extending radially from the central portion, the at least one gangway being at least partially within the internal cross-section of the jacket portion,
wherein the at least one gangway is directly connected to at least one of the plurality of struts to connect the at least one of the plurality of struts to the central portion, and
wherein the at least one gangway is directly connected to a climbing device to connect the climbing device to the ascension region.
29. An offshore foundation structure, comprising:
a jacket portion comprising a plurality of struts interconnected in a framework having an interior,
a receiver for a tower shaft of a wind power installation, and
a platform arranged in a center of the interior of the jacket portion above at least one of the plurality of struts, wherein a part of the jacket portion is above the platform and wherein the platform does not protrude to an exterior of the jacket portion, the platform comprising a central portion, an ascension region for receiving an ascension device, and at least one gangway extending radially from the central portion, the at least one gangway being at least partially within the interior of the jacket portion,
wherein the at least one gangway is directly connected to at least one of the plurality of struts to connect the at least one of the plurality of struts to the central portion, and
wherein the at least one gangway is directly connected to a climbing device to connect the climbing device to the ascension region.
30. An offshore foundation structure, comprising:
a jacket portion comprising a plurality of struts which are interconnected in a framework having an interior,
a receiver for a tower shaft of a wind power installation, and
a platform arranged in a center of the interior of the jacket portion above at least one of the plurality of struts, wherein a part of the jacket portion is above the platform and wherein the platform does not protrude to an exterior of the jacket portion, the platform comprising a central portion, an ascension device for climbing into an interior of the tower shaft, and at least one gangway extending radially from the central portion, the at least one gangway being at least partially within the interior of the jacket portion,
wherein the at least one gangway is directly connected to at least one of the plurality of struts to connect the at least one of the plurality of struts to the central portion, and
wherein the at least one gangway is directly connected to a climbing device to connect the climbing device to the ascension device.