Working system for floating structure, floating structure, working ship, and working method for floating structure

摘要

A working system includes a floating type floating structure, and a working ship configured to perform at least installation or maintenance of the floating structure. The floating structure has a column section whose peripheral surface is located at a waterline when the floating structure is floating, a ballast section arranged below the column section and a flange section arranged at an intermediate portion of the column section. The working ship has a gripping section capable of engaging with the flange section, and a raising/lowering device configured to raise and lower the floating structure.

主权项

1. A working system comprising:
a floating type floating structure; and a working ship configured to perform at least installation or maintenance of the floating structure, wherein: the floating structure includes a column section whose peripheral surface is located at a waterline when the floating structure is floating, a ballast section arranged below the column section, and a flange section arranged at an intermediate portion of the column section, the working ship includes a gripping section capable of engaging with an underside of the flange section, the floating structure includes a raising/lowering device configured to raise and lower the floating structure, and with the gripping section of the working ship engaged with the underside of the flange section of the floating structure in a floating state, the floating structure is lowered such that weight of the floating structure is borne by the gripping section via the flange section, to secure the floating structure to the working ship.