mv Vlij – Fast low wash catamaran for public transport

Date Author Address

Juni 2005 Jakob PInkster

Deift University of liechnology

Ship Hydromechanjcs Laboratory

Mekelweg 2, 26282 CD Delft

TUDeift

Deift University o? Technology

Mv Vlij - Fast low wash catamaran for public

transport

by

J. Plnkster

Report No. 1434-p

₂₀₀₅

Published in Schip en Werf De Zee, JunI 2005

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Inhoudsopgave

Lessons from the Prestige

Peter Swift, managing director van Intertanko, blikt terugop de

gebeurtenis-sen na de ramp met de Prestige en gaat na welke lesgebeurtenis-sen de tankerindustrie

heeft geleerd en zou moeten

heb-ben geleerd. Dit artileFis tot

stand gekomen tiaar aanlèiditig

van een speech die Peter Swift op

2 december 2004 gaf tijdens de

ITOPF International Seminar

in Madrid.

Havenvan Duisburg

Duisport is een multimodaal achterlandtransportcentrum dat, naast goede spoor-, weg- en shortseaverbindingen, vooral een belangrijke binnenvaartha-ven is. Alles draait orn

distribu-tie, opslag, oversiag en trans-port. Voor containertrucking wordt een bereik tot 150 kilo-meter aangehouden. Daarbij

kunnen meer dan dertig

mil-joen inwoners worden bereikt.

ms Beluga

Het zwareladingschip Beluga Revolution, bouwnummer 549, is op 5 maart door Voiharding Shipyards overgedragen san Beluga Shipping in Bremen.

Het is het eerste schip uit een se-rie van vier voor deze

opdracht-gever. De zwareladingschepen zijn besternd voor het vervoer

van projectiadingen, maar

kun-nen ook containers meenemen.

M-class frigate:

study to slamming response

Marineschepen moeten onder allerlei zware omstandigheden op zee kunnen opereren. 0m de zwakke

plek-ken vaneen M-fregat op te

spo-ren, is een onderzoek uitge-voerd hoe een dergelijk schip

harde klappen op zee opvangt. Daarbij is gebruik gemaakt van een 3-D FEM model.

Omslag: ms Beluga (foto: Flying Focus)

56 Verenugingsnieuvs'n

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M,ine TehnoIogy

SCHIP&WERF de ZEE - JUNI 2005

Oplevening door Jakob Pinkster MSc. FRINA

k'. Jakob Pinkster

is marine con-suttant and a so works as a

teacher for lii Deift

mv

VIij

Fast low wash catamaran for public transport

The Gorinchem based shipyard Damen Shipyards delivered the Damen Fast Ferries DFF 3007 mk Il, mv

Vlij on Friday 26th November 2004 to her owner, Waterbus BV. In 2004 Waterbus had a yearly

trans-port volume of around 1,3 million passengers. This volume is still increasing

_{yearly and Waterbus is}

thereby one of Holland's leading commuter services over water. Mv VIiI is an aluminium. 1 2 tdw fast

fer-ry vessel and is a follow-up of a series of four similar vessels delivered also by Damen to the same

company in late 1999.

Mv Vlij, yard number 538201, operates between Dordrecht and Rotterdam. The new waterbus was designed by Nigel Gee and Associates, Southampton, UK, and

Damen Shipyards Gorinchem canied

out detailed design and construction

en-gineering. DSG was able to redu costs by sub-contracting the complete

con-struction of the catamaran hulls, topsides and interior to the Damen Singapore

sub-mv VIIj being loaded off ship's deck in the Netherlands

A

siduary (DSS) in Singapore. The

com-plete vessel was shipped to The Nether-lands on board of a freighter in October 2004 and the vessel technical trials were held inNovember 2004.

Design challenge

The main function of the Vlij is to:

- Maximise --commuter carriage

ca-pacity

- Provide a comfortable and spacious trip

-Sail all the year around in all condi-tions

- Load, transport and-discharge

corn-muteis and bicycles quickly via ramps

- Function in an environmentally

friendly manner (green vessel) Sail in a restricted sailing area Possess a high degree of manoeuvra-bility

-In order to do this a highly

manoeu-vrable fast ferry twin screw aluminium

-catamaran 'green' vessel of 31 metres length has been built, fitted out with a fixed pitch bow thruster in each hull. The vessel can carry up to 130

passen-gers and 40 bicycles. Full service is able throughout the year as the vessel meets

the standards of the Netherlands

Ship-ping Inspectorate, taking passengers

safely through the inland waterways

between Dordrecht and Rotterdam.

The vessel offers a suitably comfort-able, stable and safe platform for the

one hourtrip.

The vessel

Why a catamaran? A catamaran has the added advantages that:

Low wash due to slender hulls Large deck area for passenger space,

resulting in a smaller vessel length

compared to a mono-hull Low vessel resistance

Excellent motion characteristics

General Arrangement Plan mvVl,j

in the GAI' of the vessel, from bow to

stern is dominatedthy:

Anelevated navigation bridge

situat-ed in front of the passenger saloon,

symmetrically placed for the two man

crew, one captain ancFonesteward.

A large superstructure area for the

carriage of commuters and bicycles

comprised mainly of enclosed passen-ger spacearea covering approx. 65

per-cent of the vessel's overall length. Bicy-cles are stored on the aft deck-inracks.

Fourhinged ramps for

passenger/bi-leeK

- ¡ -

-r---,

-

-

--cycle access; two on port and two on

starboard

Each hull has an engine room aft

housingasiiigle screw.single engine in-stallation.

'Each hull has a steeringgear. room aft

below the main deck.

Exhaust outlets aft of eachhull andair intakes above the engine room along

side the commuter spaces.

Thelongitudinalsubdivisionof each de-mi-hull under the main deck is asfollows:

WHFFIHOLJSt P

UUiÏfififSrSI

F

U U fi

IS U

Ifl

ill S IS IS iu

- Forepeak

- Bow thruster room

- Tank room - Void space

- Engine room(for main engines)

- Exhaust room

- Aft peak (void), in which the steering

gear is situated The two derni-húlis:

Thè multi knuckle demi-hull is rnanu factured ofaluminium plates andhas a

transom stern and a raked bow.

The vessers overall

appear-ance is simi

lar to the latest genere1on of

fast ferry ves-sels of similar

size and speed.

SCHIP&WERF deZEE -JUNI 2005

Main Particulars mv\/lij Call sign Port of registry Flag Classification Safety Built Owrters Managers -:

Deadweight'

Displacement

Lengthò.a.

Lengthb.p

Breadtho.a:

-'

Draft màx»above bottóm of.ke1

Number of seated passengers

Number of standing passengers

Nuiiber ofvhee1chairspaces'

Crew 1

Cgo(biis;etc:)

Main engine Serviceispeed (90% MCR 12td

Wash maximum

-Ìsi

wiliiri eniis

'Action.radju Passenger space

PH5372

r Dordrecht The Netherlands

èVerita

i

_{FIUILL Lightship / Fast Passenger Carrier Sheltered Area}

DutchShipping Inspectoraterequirementsfor inland waters

2904 .

Waterbus BV,The Netherlands -WaterbusBV

12t

5Qi.

330x:

30:60m.,

7:7m

i 4-1th:

Fuel oil, fresh water and sewage (black water) are stored in separate tank units made from aluminium or GRP.

Accommodation

The lay-out of the accommodation,

wheelhouse and service space is shown on the GAP. The general lay-out of the

accommodation has a wheelhouse in front, with a lower service space and

then the passengers saloon followed by an open fore and aft deck area. A toilet

is situated at the front end of the pas-senger saloon.

The design and interior finish is ofa

high and contemporary standard,

whereby care has been taken to min-imise the weight of lining, upholstery

etc. Internal webs, pillars and

bulk-heads have been arranged in such a way as to minimise vibrations and to insure continuity of strength.

The lay-out regarding the passenger

routing is arranged in such a way that de- and embarkation times have been

kept to a minimum.

Passengers are seated in nine rows of seats allowing eighty passengers to sit throughout

the journey.

There is

enough standing space for fifty more passengers. At the rear of the passenger

saloon there is a space for two wheel-chairs. The passenger saloon is fitted out with a heating and ventilation

in-stallation. Cargoes such as bicycles may be carried on the main deck aft in racks

covering the vessel breadth which can

carry up to twelve bicycles and some other bicycles against a bar along the

centre line of the vessel.

Passenger spaces and bicycle spaces are accessible via folding gangways. In to-tal four hinged gangways have been

fit-ted,twobeside the wheelhouse on

port-side and starboard and_r twobeside the aft deck on portside and starboard, _to

reduce the boarding time. The forward

gangways are fitted with a pre-loaded spring system in the hinged deck

con-structiori to reduce the lowering and lifting foroes. The clear width of the gangway is 1.4 m, ample enough for

handheld bicycles, wheelchairs or small cargo containers. The aft gangways are

hydraulic operated with local control,

suitably protected to prevent unwanted operation by passengers.

Low wash catamaran

The vessel proved her low wash char-acteristics during trials in November 2004. Measurements taken resulted in

a crest to trough wave height due to

wash at 35 nì from vessel transit line of 0.25 ni, which was well within the

or-dered design specifications.

Engine installation

As usual for this type of fast vessel, Vlij

has been fitted out with two high speed

main engine installation, one in each

de-mi-hull. The engines may easily be

re-placed via a hatchway on the main deck

directly above each engine. Each of the

complete propulsion system are directly coupled with the aid of clutches and have

been designed for maximum

perfor-mance with minimum environmental ef-fects (fuel consumption and emissions).

Each hull houses a resiliently mounted Caterpillar C 12 high-speed main en-gine, output 366 kW at 2300 rpm and

burning MDO fuel, driving a fixed

pitch Promarin propeller via a Twin

Disc gearbox with a built on clutch (type

MG 5114A, reduction 2.50:1): The

re-duction ratio is selected to meet the ships

performance with propellers optimised

for free sailing. The built-in clutches for

reverse, neutral and forward operation

are hydraulically operated from the

bridge via a built on the gearbox direct

driven hydraulic pump. The gear is also

provided with a built-on lubrication oil

cooler, connected via a by-pass at the en-gine cooling water system.

The shaft line has an inclination of 90 with the horizontal line. Just in front of the propeller a P-bracket supports the

shaft and both shafts are furthermore

supported by water lubricated bearings.

The attained service speed is 40 km/hr

resulting in a fairly economic 210

gr/kWh when running at 90 percent

MCR. Exhaust emissions thereby com-ply to BSO Stufe 2 (Boden See Norm).

Per round trip this results in 1,000 litres of fuel bunkers for the day round trip.

Cooling water systems

The main engines are seawater cooled via an inter-cooling system containing

a closed fresh water system and an open

seawater system. A heat exchanger is

fitted for cooling of the freshwater

sys-tem with the seawater syssys-tem. The

freshwater cooling system is a closed system integrated in the engine lay-out

with a built on freshwater cooling

pump. The seawater cooling system

contains a sea inlet with strainer,

sea-water pump driven by a main engine

and a discharge from the engine over-board. The system is cathodic

protect-ed with anodes. A special water lock prevents air suction / low pressure in the seawater feeding line to the pump.

Each sea water cooling system has a sea

inlet with a stainless steel inlet strainer box. The sea cooling water discharges over board via the exhaust lines of the

engines with water injection pieces

fit-ted in the exhaust system. A cooling

water bleed off is attached to the stern

tubes for lubrication of the propeller.

shaft bearings.

The generator engine has a keel cooling

system, containing an engine driven

pump and closed freshwater cooling

system connected to a cooling channel

at the vessel's PS hull. This bottom

cooling channel is integrated in the hull construction.

Auxiliary installation

Vlij has been fitted out with one auxil-iary generator set. This gen set is placed

in the service space underneath the

wheelhouse. The following voltage sys-tems are installed:

- 40Q VAC/ 3-phase at 50 Hz, for

power supply

- 230 yAC! 1-phase at 50 Hz, for

ligj.iting, small systems and

emer-gency systems

- 24 VDC circuit for instruments

/

Situated in a service space underneath

the bridge, is the auxiliary diesel

gener-ator engine (e- started), a Perkins

(Type 1004 GM), with an output of

32kW at 1500rpm and drives a

genera-tor Stamford Marine UCM224D26,

with an output of 40k VA -

400

VAC/3phase at 50 Hz.

The vessel is also equipped with a shore

connection 230/400 V consisting of a shore electrical power supply

connec-tion cable of fifty metres. A female plug

(ship side, fits into the main

switch-board) and a male plug (shore side) is supplied. An extra female plug is

sup-plied for fitting to the shore system.

Propeller installations

Vlij has two Promarin five bladed

Cu-NiAl fixed pitch propeller, diameter

800 mm. The propeller has a

maxi-mum revolution rate equal to 920 rpm. This results in a propeller tip speed of

38.5 rn/s and a propeller loading

(Pow-er/Diameter2) of 516 kW/m2.

Hull Construction

In order to meet the speed requirements

and maximize the vessel's loading ca-pacity, the vessel has been constructed

using light weight materials such as

alu-minium and GRP. The hull and

super-Wash measurement

Vessel construction of light weight materials

structure is constructed from marine

grade light alloy aluminium with

plat-ing AA 5083 (equal to ISO Al Mg

4.5) and extrusions AA 6082 (equal to

ISO Al Mg Si 1). The superstructure

and wheelhouse are constructed out of

aluminium and welded to the hull.

The multi knuckle hull is

manufac-tured using aluminium plates. Any

stainless steel used in the vessel is of

type 316 L.

Two aluminium fuel oil tanks are fitted

in the hulls in the vicrnity of the engine

room and are equipped with a bolted

manhole cover and filling and

de-aera-tion pipes. Two GRP tanks for fresh wa-ter and sewage wawa-ter are fitted in the

ser-vi space. Aluminium entran hatches

with stainless steel fittings are fitted at the fore and aft deck for void compart-ment.

Manoeuvring/Steering Gear

The vessel's manoeuvrability is guar-anteed using per hull the usual combi-nation of propeller, a single spade type

stainless steel double plate rudder and a

fixed pitch bow thruster. Each hull is fitted with a hydraulic steering system, powered by a hydraulic pump driven

by the main engine. The hydraulic

steering system gives a maximum 35 degrees rudder angle to either side and a Sperry steering gear controls the rud-der.

For rnanoeuvring at slow speeds, the

catamaran is fitted with two hydraulic powered bow thrusters (each 15 kW)

with tunnels integrated in the ships

construction and fitted with gratings at both sides. The hydraulic motor is

fit-ted in the tunnel and drives a bronze

fixed pitch propeller via a gearbox. The

hydraulic motor is powered by a

hy-draulic pump fitted on the-PTO from

each gearbox.

Deck Equipment

The anchor equipment and installation

is in accordance with the Classification

Societies regulations and DSI. Two

High Holding Power anchors, type

Danforth, are provided.

The anchors are stored on the fore deck,

Anchor weight

77kg

Chain length

260m

Chain diameter 10mm (short-link) Length polypropyleneline : 55m, 49 kN breaking

strength Number installed . : 2

in the bonnet recess. The lines are stored in aluminium rope bins on the fore deck On the foredeck two electrically operat-ed anchor winches are fittoperat-ed, each with a vertical gipsy and warping head.

Bilge System

With the exception of the fore peak, all

watertight compartments are

connect-ed to a bilge system with pipes and

valves. The bilge system is combined with a general service system for fire fighting and deck wash purposes. The vessel is equipped with two manually

operated bilge pumps (165 ltr/min.),

each situated in an engine room. The

fore peak is fitted with a hand bilge

pump (75 Itr/min.). For fire fighting or

deck washing purposes, the bilge system is provided with two main engine driven bilge pumps (each with a capacity of 250 ltr/min. at i bar) which can each be uti-lized via an electro- magnetically operat-ed dutch fittoperat-ed to each pump.

The vessel is provided with two deck hy-drants connected to the bilge and general servi system. Nearby two fire hoses with spray nozzles are stored in a red painted GRP box and mounted at a suitable pla

on the main deck forward and aft.

The servi pontoon from Waterbus is

provided with a portable electrical pump

to collect oily bilge water at daily service.

Life-Saving Appliances/Fire

Fight-ing Appliances/Thermal & Sound

Insulation

A number of life buoys are stored in

frames on the aft deck and on the fore

deck. Also 130 life jackets are provided and stored inthree GRP boxes (1 fwd and 2 aft) and two hfejackets are placed well arcpssjble in a locker in the wheelhouse. Structural fire protection has been fitted throughout the vessel as required by DSI

regulations comprising of insulation to

protect the variously categorized spaces.

e

The main engine room has been

insu-lated to DSI requirements as follows:

- At the deck head

- At the ship side, including inboard

and down to the light waterline

- On the end bulkheads and down to

the light waterline

The deck below the wheelhouse has

been insulated and protected to DSI re-quirements. The wheelhouse is

provid-ed with one light water extinguisher of six litres. The accommodation is pro-vided with two light water

extinguish-ers of six litres each. Sufficient thermal

insulation (50 mm thick) has been

fit-ted to all exposed aluminium deck and

side structures in the accommodation

areas induding the wheelhouse. The

aluminium roof construction has been

separately insulated. Exhaust pipes and silenoers have been fully insulated as far as they extend within the hull and acci-dental burns to the crew are likely. Wa-ter cooled parts have not been insulated.

Bridge Area

From within the wheelhouse the helms-man has an exoellent view over 360 de-grees of the outside world. A console for

the navigational equipment, engine

in-strumentation

and radio

equipment

dearly shows the status of equipment

and navigation on board. The helmsman is comfortably seated thanks to a pneu-matic damping system integrated in the seat at the main steering position and the air condition unit also fitted in the wheel-house. In case of excessive sun use may be made of sun awning / blinds. For the crew there is a separate toilet on

board which is accessible from the

ac-commodation area. Further on board is the usual navigation equipment.

1

The bridge inside

F

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