Method for producing an underwater foundation element, adjustment head for an underwater foundation element and underwater working assembly

摘要

The method involves lowering a working platform (30) for guiding a drilling tool to a water body bed (5). A drill-hole is introduced into the water body bed by the drilling tool. A tubular underwater-foundation element (10) is arranged and anchored in the drill-hole. A measuring unit is fixed on the foundation element. Position data of the foundation element is determined by the measuring unit. A position of the foundation element is set before anchoring by a positioning device e.g. hydraulic cylinder, on the platform via an adjustment head (40) based on the determined position data. Independent claims are also included for the following: (1) an adjustment head (2) an underwater working arrangement.