recent deliveries
Dual celebration for Incat Crowther
Six of the new FSVs will be owned by Baru Offshore Navegação, and six by Senior Navegação
ustralian naval architects Incat Crowther had two reasons to celebrate recently. The launch of Outer Limit, a 35m catamaran workboat that has become the new flagship of the Offshore Unlimited fleet, would normally have been sufficient cause to raise a celebratory glass, but the icing has been provided by winning a contract to design a fleet of 48m monohull fast supply vessels (FSVs). In total, 12 of these vessels will be built by ETP Engenharia Ltda, which has also recently delivered a pair of Incat Crowther 36m monohull crewboats meeting the Petrobras P2 vessel specification. Six of the new FSVs will be owned by Baru Offshore Navegação, which is a Brazilian subsidiary of Intertug SA, and the other six FSVs will be owned by Senior Navegação. The new vessels will operate in Brazil for
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Petrobras, and have been optimised to comply with the state-owned oil major’s UT4000 Fast Supply Vessel specification. Ships’ fuel will be in excess of 40,000 litres, and they will carry a cargo fuel load of 90,000 litres. The vessels will also be able to carry 90,000 litres of cargo fresh water. The design is dominated by an expansive aft
deck of 225m2 of usable area. The aft deck will be planked with hardwood and protected by sturdy cargo rails. An additional 30m2 of cargo area is provided inside the main deck cabin,
78 I Offshore Support Journal I June 2012
Offshore vessels designed by Incat Crowther in Australia are being built around the world
allowing for the carriage of items out of the elements, such as food and other supplies. A small meeting room for six personnel is also housed in the main deck cabin, as are facilities such as a wet room and laundry. The upper deck wheelhouse includes an aft- facing control station allowing for safe and efficient manoeuvring. Below decks are six cabins accommodating 11 crew, as well as a mess, galley and bathrooms. Each vessel will be powered by a quartet of Cummins QSK 50 main engines, each rated at 1,800hp at 1,800 rpm. Fixed-pitched propellers have been selected
for propulsion, giving the vessel a service speed of 21 knots. Two 150hp electric tunnel bow thrusters will enhance manoeuvrability. Construction of the first vessel will start in June, with anticipated delivery in October next year. The last vessel is scheduled for delivery in January 2016. Outer Limit, which was built by Richardson Devine Marine (RDM), is the third vessel completed for Offshore Unlimited after Unlimited, delivered in 2008, and Limitless, delivered in 2010. Outer Limit represents four
years of industry feedback and is described as one of the world’s most versatile offshore support vessels.
The vessel will have a deadweight of 125 tonnes with capacity for up to 56 passengers on day operations and 32 berths for overnight operations. It features numerous workspaces, with desks in every cabin and an upper deck workspace with 14 seats. This workspace will be fitted with direct wireways to the aft deck to allow for quick installation and configuration of deck-mounted equipment, whilst an adjacent bathroom improves functionality. Two large cabins on the upper deck feature
half-height glass bulkheads with blinds to allow interaction between the workstations and the helm. The main deck cabin houses a wet room with lockers and bathroom, lounge, galley, mess, medical room and six cabins. A pair of these cabins will be able to be joined by retracting a dividing wall, creating a large four-berth cabin. The vessel’s hulls house a further six cabins, four of which also feature a sliding joining partition. In addition to these cabins, the hulls house refrigerator and freezer rooms, as well as service and storage spaces which offer increased range and operational flexibility.
The aft working deck has an area of 160m2 – enough to accommodate a quartet of 20ft containers. A Heila HLM 35-4S deck crane is
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