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Wednesday 4 November 2015

Multraship and Damen agree deals for Carrousel Rave tugs and ASD

Leading towage and salvage specialist Multraship, through its 100-per cent-owned subsidiary Novatug BV, has commissioned the construction of two evolutionary Carrousel Rave Tugs (CRTs) from Damen Shipyards Group. These new vessels will provide tug operators with more power, more freedom and more durability, as well as eliminating the risk of capsizing under a tow load.

 

Construction of the CRTs will begin immediately under an agreement between Novatug, with Multraship as its first customer, and Damen subsidiary Van der Velden Barkemeyer GmbH. The hulls of the vessels will be built by German shipyard Theodor Buschmann GmbH in Hamburg, with final outfitting carried out by Damen Maaskant Shipyards in Stellendam, the Netherlands. Delivery of the Bureau Veritas-classed vessels is scheduled for first-quarter 2017.

 

The RAVE design was developed by leading naval architecture consultancy Robert Allan Ltd, in conjunction with Voith GmbH. The CRTs have an overall length of 32 metres, and a bollard pull of minimum 70 tonnes. Propulsion is via two Voith thruster units and two ABC main engines of 2,650 kW operating at 1000 rpm. Free running speed is over 14 knots at 5,300 kW.

 

The Carrousel tug’s lower operational costs, speed of action and enhanced control over the tow can provide huge advantages over conventional tugs, for example by widening or even removing tidal and/or weather windows for certain ports. Novatug will offer the Carrousel Rave tugs on the basis of long-term bareboat charters, basically a financial or operational lease construction, which is both customary and proven in other capital-intensive industries such as aviation.

 

Leendert Muller, managing director of Multraship, says, "Safety is always our overriding objective, and that it is why we have opted wholeheartedly to produce the Novatug CRT. This new tug design, for the first time, eliminates what has always been the most significant threat to safety in towing – the risk of capsizing under a tow load. The benefits in terms of efficiency and flexibility, meanwhile, are also enormous".

 

“The involvement of Theodor Buschmann and Maaskant completes the so-called Novatug 'dream team' which, over the years, has benefited greatly from the input of Voith, Robert Allan, ABC and the Luyt Group, working closely together and using all their experience and expertise to produce a design which has been awarded the Dutch Maritime Innovation Award.”

 

Meanwhile, Multraship has also agreed a deal with Damen for a new state-of-the-art ASD 3212 tug as part of its planned fleet expansion to keep pace with increasing demand for its specialist services.

 

The Dutch-flag, LR-registered Multratug 31 was built at Damen Song Cam, Vietnam. A sister vessel to Multratugs 19, 29 and 30, it will operate mainly in the Western Scheldt area. It has a maximum bollard pull of 83.2 tonnes and a maximum speed of 15 knots. The 453 gt vessel is powered by two Caterpillar 3516C engines and has two Rolls Royce Azimuth thrusters and a 2,800 mm-diameter controllable pitch propeller.

 

The vessel’s deck layout features a hydraulically driven escort double drum winch forward and single drum aft, and a 25 mt deck crane. There are two one-man cabins, four two-man cabins, a mess room and galley.

 

Leendert Muller says, “This new tug is needed, because our workload is still increasing and we are confident this will be the case for several years to come. This is not an industry where you can stand still. If you want to stay at the top, you have to keep investing in new vessels, new equipment, new technology, and good people. That is what Multraship is doing, and will continue to do.”

 

The signing ceremony for the two CRTs and the ADS 3212 will take place at the Damen stand, No. 1221, at the Europoort exhibition in Rotterdam at 1500hrs on 4 November. Photos will be available from chris@merlinco.com  after the signing ceremony has taken place.

 

 

Note to editors:

The Carrousel towing system is as simple as it is effective, consisting of a relatively straightforward steel construction, basically a freely rotating ring (the actual ‘Carrousel’) fitted around the superstructure of the tug. It is on this freely rotating ring that the tug’s towing point is located, as opposed to a conventional fixed towing point that has been the case for as long as towing has existed.

 

Tugboats fitted with the Carrousel towing system can turn around freely relative to the tow without letting go of the line. When there is force on the line, the shifting towing point also changes the centre of force relative to the tug’s centre of gravity. The tug’s own hull profile can safely be used for generating braking and/or steering forces, based on the lateral resistance of the hull through the water and given the kinetic energy present in the moving tow and/or the current. A Carrousel tug can brake or steer a moving tow much better, faster, cheaper and from any position forward or aft, than any regular tug relying on installed power for braking or steering. A Carrousel tug simply cannot be capsized by a tow load.

 

For its braking and steering operations, a Carrousel tug needs far less added energy, resulting in significantly reduced fuel consumption and emissions. The cost-saving potential on fuel alone is at least 25 per cent, depending on the operational profile of the tugboat. The fact that a tugboat with the Carrousel towing system depends on its lateral hull resistance more than its engines and propulsion systems in order to generate braking and steering forces also results in significantly less mechanical wear on the propulsion train, with lower annual repair and maintenance costs and a longer economic life for the tug itself.

 

 

Multraship is a leading Dutch towage and salvage company. It is a division of the Muller Maritime Group, which has been engaged in the shipping industry for more than 230 years. The company's core activities include harbour towage, salvage & wreck removal, ocean towage and support to offshore energy & dredging industries. Multraship operates and manages a large fleet of tugs, salvage vessels, floating sheerlegs and other craft equipped with modern towage, salvage and fire-fighting equipment and manned by experienced and highly-trained masters and crew. www.multraship.com

 

 

 

For more information contact:   

Eline Muller                                                                    

Multraship B.V.                                               

+31 (0) 115 645 000                                       


 

 

 

 

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