Nov 23, 2022 | Shipbuilding & ship repair news

Harbour tugs ‘Dóris’ and ‘Tétis’ are successfully operating in the Portuguese Port of Leixões, near the city of Porto, following very short term delivery by Damen Shipyards.

The vessels can perform a wide variety of towing, pushing and indirect towing operations that suit the confined space inside the harbour. Both Reversed Stern Drive tugs are built to the standard Damen design RSD 2513. After Damen won the tender process from APDL (Administração dos Portos do Douro), the Portuguese port authority of Douro and Leixões late 2021, the shipyard group was able to deliver both swiftly.

The vessels are equipped with the Damen exhaust aftertreatment system to comply to IMO Tier III emission standards, achieving significant reduction of NOx emissions. As the Port of Leixões is situated near to urban areas, this is an important feature and a clear goal for APDL. As a special feature agreed for this project, the emissions during the first years of operations will be monitored as well the operational profile. Analysis of the tug’s operations will provide insight in the possibility of the employment of full electric tugs, that APDL may consider.

The RSD 2513 vessels have a 70t bollard pull. The design features Damen’s Twin Fin skeg to enhance directional stability and to provide a higher indirect towing force. This makes the vessel suitable for confined harbour spaces.The RSD Tug 2513 can perform bow to bow towing, as a tractor or escort tug. Vessels are equipped with FIFI 1 notation, thus providing an additional safety feature for port operations. Notable safety characteristics include the safety glass at the wheelhouse, whereas crew comfort is enhanced thanks to reduced noise and vibration levels.

The RSD Tug 2513 vessels are equipped with ‘Damen Triton’, a digitalised remote monitoring platform that collects data from sensors throughout the vessel, helping the operator to maximise operational insight and to improve effectivity, efficiency and utilisation. By using Triton monitoring and Triton Fuel reports, APDL is able to see where they can save fuel, reduce emissions and optimise operations. Because Triton is able to run various data driven applications, independent of supplier, APDL is ready to use Triton as a state of the art digital platform to support the operation of these vessels.

Carlos Gonzalez Martin, Damen Sales Manager, Portugal, said: “We are really proud to see these great harbour tugs operating for APDL in Leixões. We see it as a perfect match to the operational requirements but also with the vision of sustainable goals. Definitely these are the most environment-friendly harbour tugs stationed in Portugal so far.”

Nuno Araújo, President, APDL Board of Directors added: “The acquisition of these state-of-the-art tugboats fulfils the purpose of APDL, to decarbonise the port activity, reducing emissions of the port of Leixões operations.”

The Damen RSD Tug 2513 is available with hybrid or full electric propulsion. The first fully electric RSD-E Tug 2513 was awarded ‘Tug of the Year’ at the ITS conference.

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