Two advanced vessels build on ‘Rotra’ predecessors
Five companies are putting their heads together to build vessels that can carry the next generation of offshore wind components.
Rotra Futura and Rotra Horizon are in build at the Jiangsu Zhenjiang Shipyard in China for delivery next year.
“The development of the Rotra Futura and Rotra Horizon is the result of a successful partnership between Concordia Damen, Deugro Danmark, Siemens Gamesa, DEKC Maritime, and Amasus Shipping,” a spokesman from Concordia Damen said.
“Together, we have accurately mapped the requirements and challenges of the offshore wind industry to create a future-proof and sustainable design that meets the highest standards for safety, efficiency, and flexibility.“With a charter agreement between Siemens Gamesa, Deugro Danmark and Amasus Shipping, this new Rotra concept will become a vital link in the logistics chain of the growing wind energy sector.”
Concordia Damen says the new design builds on the vessels Rotra Mare and Rotra Vente, which have been in operation since 2016.
“However, these new vessels are equipped for the latest generation of wind turbine components, which are becoming larger and heavier. Thanks to the unique RoRo system and an innovative portal system, these vessels can safely and efficiently transport larger loads.
“Additionally, the three Liebherr cranes and the special portal system enable turbine blades to be stowed in three tiers, providing greater flexibility in loading methods and cargo configurations.”
The vessels are 167.6m x 26m, and have the wheelhouse at the bow of the ship so that visibility is not obstructed.
They have a hybrid propulsion system and an aerodynamic, hydro-optimised hull design, combined with a special low-resistance coating, Concordia says.
“Furthermore, the vessels are equipped with an advanced Wärtsilä main engine, which consumes 15% less fuel and has a smaller CO₂ emissions footprint than current standards.”
