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Newbuild Brazilian sustainable escort tug arrives

Posted on May 8, 2023

WS Rosalvo, the third of the Brazilian owner’s latest newbuilds, arrived in the Port of Açu, São João da Barra near Rio de Janeiro. Wilson Sons celebrated its arrival after completing sea trials with a naming ceremony at the port 27 April.

This reverse stern drive (RSD) tug was built at Wilson Sons’ own shipyard in Guarujá, in São Paulo state, to Damen’s RSD 2513 design with more than 90 tonnes of bollard pull and a FIFI-1 certified fire-fighting system that can pump out 2,400 m³/hr of water and foam mixed.

It is a 24-m escort tug with a beam of 13 m and an exhaust treatment system to remove NOx gases and comply with IMO Tier III emissions standards.

Wilson Sons said this new tug emits 70% less NOx and lower CO2 volumes, as it consumes 14% less fuel than conventional tugboats, helping to improve air quality in ports where it will operate. WS Rosalvo is capable of harbour, coastal and offshore towage.

WS Rosalvo follows WS Centaurus and WS Orion, delivered to the Guarujá shipyard in July and October 2022. Together, these two 2022-built tugs have executed around 650 manoeuvres.

Wilson Sons is building three more similar escort tugs at the shipyard in its latest newbuilding campaign to modernise and expand the fleet, which now consists of 82 tugs.

WS Rosalvo demonstrates the importance of innovation and sustainability for Wilson Sons,” said Wilson Sons executive director of towage Márcio Castro.

“It is reaffirming the company’s trail-blazing spirit in the Brazilian industry, with modern tugboat building and operations, which are increasingly needed to meet the growing demand in ports for more powerful tugs to attend large ships more sustainably.”

With the delivery of WS Rosalvo, Wilson Sons reached the mark of 151 vessels built in its shipyards.

All these tugboats were built with financial support from the Merchant Marine Fund (FMM), with the Brazilian Development Bank (BNDES) as a financial agent.

Wilson Sons and Porto do Açu started collaborating in harbour operations in 2016 and opened the first innovation hub dedicated to port and maritime solutions in Latin America, Cubo Maritime & Port, in 2022.

This hub is a collaborative arrangement of Wilson Sons with Cubo Itaú, Port of Açu, Hidrovias do Brasil and Radix, to integrate the different parts of the ecosystem and accelerate innovation in Latin America’s port and maritime industry.

Port of Açu director of port administration Vinícius Patel said the collaboration includes partnering in Blue Rio, a blue economy programme in the state of Rio de Janeiro.

“Wilson Sons is a great partner of the Port of Açu, both in operations as well as in maritime and port innovation,” Mr Patel said.

Wilson Sons group participates in the operation of more than 50% of all ship berthings in Brazilian ports.

“We strive to understand our clients’ needs to optimise their port operations by building upon our expertise and also the technology of our tugboats,” said Wilson Sons commercial director of towage Elísio Dourado.

“With WS Rosalvo, we intend to add value and increase the productivity of operations, in a market that demands an increasing number of sustainable projects.”


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