Huisman, leading designer and manufacturer of innovative and 'step changing' engineering solutions, yesterday announced that it has won a contract to supply a 4,000mt Offshore Mast Crane (OMC) for CSBC Corporation. The crane, destined for heavy lift vessel Green Jade, will be built at Huisman's production site in China and will be deployed in the Taiwanese offshore wind market by joint venture CSBC-DEME Wind Energy (CDWE) after its scheduled delivery in 2022.
This high-tech OMC has a lifting capacity of 4,000 metric tonnes at 125 metres above deck and is equipped with special auxiliary systems for handling long turbine components. This means the Green Jade is equipped to install the new generation of foundations and enormous wind turbines in the most effective manner. The crane is also designed to be upgraded with a super fly jib, enabling smaller components to be hoisted to a height of 185 metres above deck. In addition to the Offshore Mast Crane, Huisman will also supply a 65-metre knuckleboom crane for general lifting operations on board. Both cranes will be installed and commissioned at the CSBC shipyard.
Installation foundations
The Huisman Offshore Mast Crane's combination of its large lifting height and limited footprint makes it highly suitable for installing foundations for wind turbines. Because it must be able to operate continuously under varying weather conditions, it requires high capacity for dynamic loads. The small footprint ensures a small minimum radius, leaving maximum deck space for project loading. A crane with such a lifting height affects the stability of the ship due to its large weight and high centre of gravity. This impact is reduced by the Mast Crane concept within which the crane's winches are at deck height and not at the height of the slewing platform.
Anne de Groot, Project Director at Huisman: "We are very pleased with this contract and the confidence shown in Huisman. We are committed to providing 'value adding assets' to CBSC and its partners, for the installation of the new generation of offshore wind turbines."
Source: Huisman.
