Date January 2007 Author Jakob Pinkster Address Deift University of Technology Ship Hydromechanics Laboratory Mekelweg 2, 26282 CD Deift TUDeOft Deift University:of Technology

Mv Express - A Fast 25 Knots 41 Metre Monohull

by

Jakob Plnkster

Report No. 1503-P 2007

Published in Schip & Warf de Zee, )aunary 2007, ISSN 0926-4213, Media Business Press, Rotterdam

Page /f1/1 Marine Technol'ogyde 01/07

Deze rn.aarid: Bornholm Express

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SCHIP& WER' dZEEJ5Nt tAIS S.- -s... ss A

Mv Bornholm Express A Fast 25 Knots 41 Metre Monohull

On Friday 28th April 2006, Damen Shipyards Gorinchem delivered the 41 metre mv Bornholm Express to her owner, Shipping Company Christiansøfarten, . Mv Bornholm Express is an aluminium 26 tdw fast ferry vessel.

Mv Bornholm Express, yard number The Design Challenge ting space/bar etc.) along almost the 538101, is a ferry suitable for 245 The main function of the Bornholm Ex- whole vessel's length passengers. The ferry operates on a press is to: Bridge ontop of the passenger accom- number of different routes between the Maximise commuter carriage capacity modations placed at about one third of DanishislandBornholm(different i.e. passengers and small goods the vessel's length behind the bow ports Allinge and ) to the Provide a comfortable and spacious Passenger space Danish island of Chritianse and to trip Aft deck Simrishamn in . Sail all year round in all conditions The vessel is to be a 41 metre ROPAX The new vessel was designed by Wave- Load, transport and discharge com- monohull vessel type having both an Master International in close coopera- muters and bicycles quickly via ramps aluminium hull and an aluminium tion with Christiansøfarten. Damen Sail in a restricted sailing area superstructure,capable of walk-on Shipyards carried out detailed design Possess a high degree of manoeuvra- walk-off ferry operations. The hull has a andconstructionengineering. The biity transom stern and sharp bow with raked complete vessel was delivered at the stem above the waterline, as per the yard to the owners after arriving as deck The Vessel attached GAP. cargo on board of a heavy lift cargo ves- The vessel's general design, as shown in The vessel has a triple screw installation sel in , April 2006. She the GAP of the vessel, from bow to and has its propulsion machinery locat- started service shortly thereafter on the stern is dominated by: ed aft. ist ofJune 2006. Fore deck The hull and superstructure are made Day passenger accommodations (sit- of marine grade aluminium. The hull is internally subdivided by seven transversewatertightbulk- heads into the following com- partments(fromforward): forepeak, bow thruster room, void spa, void spa, engine room, auxiliary engine room, void space and steering gear compartment. Separating the starboard and centre engine from the port side engine, a longitudinal watertight bulk- head has been fitted in the en: gine room to prevent cross OLM EXPRES5 flooding and also act as a smoke and flame division.

- There are no sleeping accom- modations on board for either passengers or the five crew Jakob Pinkster is members. marine consultant The vessel's overall appear- endoceertte- ance is similar to the latest gen- yens aan de TU eration of fast ferry vessels of Deift Mv Bornholm Express being loaded on ship's deck in Singapore similar size and speed.

16 SCHIP&WERF do ZEEJANUtRI 2007 The multi knuckle mono-hull is manu- spaces consists of one large area situated the engine room air intakes (PS and SB). factured of aluminium plates and has a on the main deck covering almost the Acrosstheship'sbreadthseating transom stern and a raked bow. complete vessel length from stem to arrangements from aft to forehead is stem. Passengers may board and disem- generally3-5-3, 5,3-3,3-4-3,3- Passenger Spaces & Ventilation bark using two side entrances (one on 3 - 3 and finally going down to 3 - 3 The lay-out of the passenger spaces and PS and one on SB) on the main deck just with ample walking spaces between the wheelhouse is shown on the GAP. aft of mid ships. Ramps for boarding blocks of seats. In the vicinity of the side The general lay-out of the passenger and discharging passengers are supplied entrances there is ample space for a by the shore side number of wheelchairs which may be asthey are not easily parked on either side beside the part of the ship's five persons seating arrangement block. inventory. Five toilets for passengers are situated Upon stepping on aft of the passenger space of which one board, passengers is suitable for people in wheelchairs. directly enter a 98 There is a separate toilet aft in the same passenger seating area for the crew. spacewhich is Behind the passenger space on the aft partlyseparated deck luggage lockers are available for from passenger passengers as well as a number of bicy- space forward for cle racks. 147 passengers by Interesting to note is the fact that no less a centrelying than 66 outdoor seats are available for kiosk. In between passengers on the upper deck, generally these two seating in a 3-3 configuration in the transverse arrangements, direction. This brings the amount of folded smoke seats available on board to a grand total doors have been of 311 although the vessel is limited by fitted alongside regulation to the carriage of a maximum

"Tle tank capacities of the vessel (100%) are as follows I orage capacity of marine diesel oil approx. 920m3 25khts To'alJsiòrage capacity of fresh water approx. 1.00 m3 2 xF P P (1 kW each) - T&astàrage capacity of sewage/grey water approx. 075m3 2xCaterelÌar,ach:84 kWe) Totaistorage capacity of bilge/sludge approx. 0.20 m3

SCHIP&WERF do ZEE - JANUAAI 2007 17 -

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18 SCHIP&WERF de ZEE - JNURI 2007 of 245 passengers. The 66 seats are pro- aft from zero and gradually increases to both sides. tected by the bridge and bulwarks aside its maximum height at around mid of the first six rows of seating. ships. Thç keel has a constant height Deck Equipment The design and interior finish is of a from around mid ships to just ahead of The anchor equipment and installation high and contemporary standàrd, where the centre propeller. is in accordance with the Classification care has been taken to minimise the Societies regulationsand one high hold- weight of lining, upholstery etcetera. Auxiliary Installation ingpower anchor is fitted directly on the Internal webs, pillars and bulkheads As both main engines are fitted out with bow on the centre line of the vessel at a have been arrangedin such a way asto alternators, Bornholm Express has been height at just about main deck level. minimise vibrations and to insure conti- fitted out withtwoauxiliary generator nuity of strength. sets which are also the emergency gen- Safety Appliances The lay-out regarding the passenger erators. One gen set is placed in the SB A number of life buoys are stored in routing is arranged in such a way that engine room and the other in the PS frames on the aft main deck, ori the fore de- and embarkation times have bèen engine room. Each gen set isplacedjust main deck and on the upper deck. Also kept to a minimum forward of each outer main engine and life jackets are provided and stored in one is in service during normal sailing GRP boxes (2 fwd and 2-aft)and-also a Engine Installation conditions. -nurnber oílifjackets are plad well Not quite usual for this type of fast ves- The following voltage systems are in- accessiblein a locker inthe wheelhouse. sel, the Bornholm Express has beenfit- stalled: Strtictumi fire protection has been fitted ted out with three high speed main en 400 VAC/ 3-phase at 50 Hz, for throughout the vessel as required by gine installations. The propulsion en- power supply; Class and. DMA regulations compris- gines are placed in two engine rooms 230 VAC/ 3-phase at 50 Hz, for light- ingof insulation to protect the variously (SB with one main engine and one gen- ing, small systems and emergency categorized spaces. erator set and PS with two.main engines systems; - and one generator set) A longitudinal 24 VDC circuit for instruments. Bridge Area watertight bulkhead separates these two All generátor engines have a keel cool- From-within the wheelhouse the helms- engine rooms and also prevents cross ing system, containing an engine driven man has an excellent view over 360 de- flooding andacts as a permanent smoke pump and closed freshwater - cooling grees-of the outside world. A console for and flame division. Each main engine system connected to a cooling channel the navigational equipment, engine in- may easily be replaced via flush hatch- at the vessel's hulL stnmrnentation, radio equipment ways which are fixed by bolts on the A stand-still heating- system is fitted for etcetera clearly shows the statüs of main deck directly above each engine. use:of the generators and main engines equipment and navigation on board. Each of the complete propulsion sys- There is no separate emergency/har- The helnisman, the captain and the en- tems are directly coupled with the aid of bour generator for the vessel due to the gmneer areall comfortably seated thanks clutches and have been designed for redundancy of generators on board and to a pneumatic damping system inte- maximum performance with minimum the short ferry distances sailed and the grated in each seat, two at the main environmental effects (fuel consump- short distance to the nearest port of steering position and one at -the -engi: tion andemissions). refimge. neers console just behind the helms- The hull houses two resiliently mount- man. ed Caterpillar C 32 high speed main en- Manoeuvring/Steering Gear AnARVunitand-afanunitarefittedin gines, output 1000 kW at 2250 rpm and The vessel's-manoeuvrability is:guaran- twocompartments just behind the burning MDOfuel, drives afixedpitch teed using a combination of three sets of bridge. propeller via a ZF 3050 gearbox. The propeller and-single spadetype.stainless In case of excessive sun, use may be reduction ratio is selected to meet the steel: double plate rudder and two fixed made of sun awning / blinds in the shipsperformancewithoptimised pitch bow thrusters. bridge. propeller design free sailing. The shaft The hydraulicsteeringsystemis For the crew there is a-separate toileton line has an incliñation of 12° with the powered by a hydraulic pump which is board in the rear of the passenger space horizontal line Just mn fron of the outer driven by the gearbox. In case of pump which is accessible from the accommo- propellers an A-.brac.ket supports the failurethe system automatically switch- dation- area-and viathe upper deck aft. shaft. The ceñtre propeller andshaft es over to a back-upsteering system. Further-on board is, amongst:others, an arrangemnentisprotected and supported For manoeuvring at slow speeds the extensive list of navigation equipment by a centre keel which runs from stem to vessel is fitted with two bow thrusters usual for this type of fast passenger just in front of the centre propeller. The with tunnels integrated in the ships con- ferry. oentre keel height increases from -fore to struction and fitted with gratings at

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