DEVICE AND METHOD FOR ATTACHING A COFFERDAM SYSTEM TO MONOPILES OF OFFSHORE BUILDINGS FOR MAINTENANCE OF MONOPILE FOUNDATIONS

摘要

The object of the present invention is to provide a device and an associated method for attaching a Cofferdam system as Monopile Maintenance Unit (MMU) to monopiles of offshore structures for the purpose of servicing the monopile foundation. The complete device consists of a self-propelled jack-up barge (1), a hydraulic erection system (2) with two guide rails (5) and a joint system (6) for erecting the Cofferdam system (3), the guide rails (5 ) and the joint system (6) are arranged on a displaceable platform (14) and the actual Cofferdam system (3) as Monopile Maintenance Unit (MMU) (3) and various connecting elements (4), such. B. a gangway (4), supply lines (4) and disposal lines (4) between jack-up barge (1) and MMU (3) is formed.