Delivery and order round-up

'RT Raven' is the biggest Rotorug built to date (Kotug)
'RT Raven' is the biggest Rotorug built to date (Kotug)
Four of the five tugs delivered by Damen for Cuba are Stan Tug 2608s (Damen)
Four of the five tugs delivered by Damen for Cuba are Stan Tug 2608s (Damen)
Sanmar has now delivered six Sirapinar class tugs (Sanmar)
Sanmar has now delivered six Sirapinar class tugs (Sanmar)

The pattern of delivery and order news is back in full swing this month with significant deliveries from European builders, orders of note from further afield and related news from engine supplier Cummins.

The naming ceremony was held recently at Albwardy Damen in Sharjah, UAE for the world’s biggest Rotortug, the ART 100-46 RT Raven for KT Marine Services Australia Pty Ltd, a JV between Kotug International B.V. and Teekay Shipping Australia Pty Ltd. Also known as an Infield Service Vessel, RT Raven is intended for operations in the Timor Sea.

The previous compiler of this column reported once on the indication of the global nature of the industry whereby the now 20-year old Dutch Rotortug product now includes involvement of Canadian naval architect Robert Allan Ltd (RAL) and the building skills of Damen Shipyards Group.

The significance of the naming ceremony was evident with the A-list line-up of guests which included pioneer of the Rotortug design, Ton Kooren and Kotug CEO Ard-Jan Kooren, along with Damen CCO Arnout Damen and Jos van Woerkum MD of Damen Shipyards Hardinxveld. The christening was carried out by long standing ConocoPhillips employee Chantelle Birtwistle, currently JV manager for the Bayu-Undan gas-condensate field project.

The 46m, DP2, 100tbp RT Raven is the sixth RAL design sold, managed, engineered and purchased by Damen’s Hardinxveld office and built at its yards in Gdansk, Poland and Sharjah. For Kotug it is the third Rotortug delivered by Damen Hardinxveld after the ART 80-32 RT Evolution and RT Emotion.

Staying with Damen, again the global nature of its operation is evident with five tugs built in Vietnam, shipped to Gorinchem in the Netherlands to be held in stock, then following completion, and within three weeks of the order confirmation steaming under their own keels across the Atlantic to new owner Empresa de Navegación Caribe in Cuba.

Four of the quintet are 47tbp Stan Tug 2608s, three being standard vessels with the fourth fitted with an aft winch before handover. The fifth is a larger 60tbp ASD 2810 which was already well-equipped including crane and fire-fighting system so was available for immediate delivery. The contract included a comprehensive selection of spares along with the provision over time, of power convertors to equip them for the 60Hz power system in Cuba rather than the 50Hz standard of 80% of the rest of the world.

The final snippet of Damen-related news involves another naming ceremony, this time in Novorossiysk for three ASD 2310 tugs for the Russian Delo Service Group. Delovoy-1, Delovoy-2 and Delovoy-3 are reported to be part of a new towing division for Delo Group associated with construction of a container berth and expansion of the grain terminal at Novorossiysk.

Turkey’s Sanmar Shipyards is enjoying a particularly busy period including reflection on what it describes as ‘considerable success in recent years with Italian-based towage companies.’ This is based on delivery of 12 tugs to Italy since 2010 and Sanmar has now reported two further deliveries along with three more tugs under construction, two for Italian owners and one bound for Spain.

It is just a few months ago that MJ reported on the latest RAL designed, Sanmar exclusive addition to its portfolio the RAmparts 2200SX, named the Sirapinar class by Sanmar. The sixth and latest of this class, Vivara has now arrived in Naples entering service with Rimorchiatori Napoletani and joining its identical sister Marechiaro delivered recently by Sanmar to the same client.

The RINA-classed pair are powered by Caterpillar 1,500kW main engines powering Schottel azimuthing thrusters with a trial performance of 50.2tbp ahead and free-running speed of 12.6kn.

At 24m, Sanmar’s Bogacay class RAmparts 2400SX is slightly larger than the newer Sirapinar class and Rimorchiatori Salerno SrL has now taken delivery of Citta de Salerno (built as Bogacay XXXII) to augment its existing fleet and meet the increasing number of ship calls and vessel size at Salerno harbour. As with Vivara above, Rimorchiatori Salerno’s new addition is powered by Caterpillar main engines, in this instance turning Rolls-Royce Z-drives and producing a bollard pull of 60 tonnes.

Talking to MJ, Cummins, Alan Haig-Brown reports that re-powering of vessels in the US promises to increase with individual states preparing programmes to promote re-powering projects, including marine as part of their share of the VW settlement. Clearly this is a development worth watching, meanwhile an interesting delivery featuring Cummins machinery has been reported.

Joseph Rodriguez of Rodriguez Ship Building Inc of Bayou La Batre, Alabama describes its triple-screw newbuild tug Daisy Mae as “the closest you can get to Z-drive manoeuvrability, without the cost of Z-drives”. The 82ft long tug, for Coevmans Marine Towing on the Hudson River has two 1,300hp Tier III compliant Cummins QSK38 engines port and starboard and a centre-line 750hp Tier III compliant QSK19 model. The outer engines drive four-bladed Kaplan style 80” propellers and the centre engine a 72” propeller with similar configuration. All three include shaft brakes allowing rapid gear shifting ahead and astern.

Turning to orders, another example of the growing interest for owners to venture down the hybrid road has seen Jensen Maritime, Crowley Maritime’s naval architecture and marine engineering arm chosen to design Baydelta Maritime’s new 100ft Z-drive tug. It will be the first hybrid installation for Nichols Brothers Boat Builders and first Jensen-designed hybrid tug to enter construction phase, delivery is scheduled for Q1 2019.

Finally, and staying with the topic of ‘alternative-fuelled’ tugs, RAL has been selected to design a RAmparts 2800-DF dual-fuel shiphandling tug for PSA Marine to operate in Singapore. RAL has accumulated experience with LNG-powered tugs having designed the RAstar 4000DF trio for Norway’s Østensjø Rederi and a slightly smaller RAstar 3800DF tug for Ningbo Port of China.

By Peter Barker

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