Both shaft systems were removed and overhauled and a conversion to bio-oil (USA modification) took place.
Both propeller hubs were overhauled in the workshop and the propeller blades refurbished in the mechanical workshop.
Removal and repair of the bow thruster and conversion to bio-oil (USA modification) took place.
A complete ballast water purification system BWTS was installed.
Steel work on hull and tanks took place as well as necessary work for class renewal.