New mussel dredgers – Two of the largest added to Irish fishing fleet

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Date Author Address

Oktober 2005 Plnkster, Jakob

Deift University of Technology Ship Hydromechanics Laboratory

Mekelweg 2, 26282 CD Delft

TUDeift

DeIft UnIversity of Technology

Page lof 1/1

New mussel dredgers - Two of the largest

Added to Irish fishing fleet

by

Pinkster, )akob

Report No. 1456-P

2005

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BI-I I

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Internationale

Bunkerconferentie

Cycloidal Propulsion

Edenvale WD-21.8

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Spec3 i tEuroport

Maritime 2005'

(3)

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(4)

--Jakob Pinkster ¡s marne consultant and also Works as

a teacher for TU

Deift

14

2-J g

Both vessels were designed by

Machi-nefabriek Padmos B.V. and built for

the same purpose i.e. that of dredging

mussels from the Irish Sea and, as such,

they are both provided with a whale

back for rough waters.

The steel hull has a typical sturdy beam trawler form and was built in Poland by

StaIREM SA. The wheelhouse is

con-structed from aluminium.

The two vessels are rather similar but the main differences between the

-'sis-ters" are to be found in a slight differen

in length (approx. 2%) and the way of dredging and handling of the mussels.

Strongly visible regarding mussel dred-ging equipment are the derricks

instal-led on the Creadan Lady and the

"dredging wings" on the Wings of the Morning to handle the dredges. Each vessel has one washing down/tarra

re-ceiver hold arid two mussel holds,

slightly different in size and partly in location too that are equipped for mus-sel storage in big bags or bulk. An EF-FER crane placed aft of the holds on

port side on the main deck is used for

unloading the big bags in port.

e

Wings of the Morning

Creadan Lady

4 New

_{mussel dredgers}

Two of the largest

_{added to Irish fishing}

_fleet

Machinefabriek Pacimos B.V. in Brunisse/Stellendem

_{The Netherlands, delivered two mussel dredgers W-243}

Creadan Lady (November 2004, Yard Number 170) and the WD-210 Wings of the Morning (April 2005, Yard

Number 1 73) to Irish owners, thereby bringing about a significant change in

_{the current Irish mussel dredger fleet.}

This change is largely due to the instalment of modern technologies together with _{improvement of safety and}

worka-bility on board of the vessels, On top of this the vessels are the largest of their kind in Ireland.

The longitudinal subdivision from fore to aft is as follows: forepeak,

bowthrust-er, foreship with forward engine room

and bowthruster, mussel holds and

washing down receiver hold with it's slanted floor below which is the hold

for the containment of the terra, fishing

system and processing installation, aft ship with aft engine room,

superstruc-ture with bridge almost over the full

vessel breadth and aft deck with rescue

boat and aft mooring gear. All hold

floors are situated above the waterline.

Müssel processing installation

Each vessel fishes over both sides with two mussel dredges on each side. These mussel dredges are larger thim used by

Dutch fishermen and the line length is lónger than normal due to the deeper fishing waters. The dredgesare

devel-oped and built by Liftai, Yerseke, The Netherlands.

The fishing system is completely

con-trolled by one ortwo men from within the safety, shelter and comfort of the

wheelhouse with the aid of a number of

buttons and controllers and two men

I

on deck.

The two new vessels each have a

diffe-rent mussel processing system placed

on top of the mussel holds that suits the chosen way of dredging customised for

the different fishing location of each

ship:

In the case of Creadan Lady the

pro-cess starts with the mussels being taken

on board via two mussel dredges sus-pended by the derricks on PS and on

SB and placed into tworeceiving bins

(SB and PS), hold #2, with a slanted

floor of 5 degrees. The mussels are

then washed down to a central point with- the tarra fmally being flushed

down and contained in the hold

under-neath the washing plant. The washed catch is then transported upwards viaa central conveyor belt where it is further

sorted and then further transported via

conveyor belt forward towards hold #1

or aft towards hold #3 where the

mus-sels are discharged into big bagsor

loa-ded in bulk. The tana is discharged

overboard at a suitable time and

loca-tion during the fishing trip. This

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- General

Name of Vessel Type of Vctsel'

-:In.swy-ta

Home Port in'Welarid. Builder

-Designr

Owner

Hull Construction Material Wheelhouse ConstrijctjonMaterjal

-Deck Cònstructjon Material Classification Main Particulars Length Overall Length Waterline Beam Depth at 0.5 L Draft average (loaded). Draft (max. including ballast)

Musseiholds Gross Tonnage Net Tonnage Propulsion ihstallation Main Engine/s Gearbox/s Propulsors Rudders Speed Auxiliaries Auxiliary Engine/s Generator/s Bowthrusters Type Drive Propeller, power, rpm Other equipment/details Hydraulic Equipment

Hydraulic Equipment Installed by Electrical Installation Electronics Installed by Electronics Supplied, by Radar/s Depth Sounder/s Radio/s Satcorn Weatherfax Auto Pilot G.M.D.S.S. G.P.S. Plotters Other Electronics Steering Processing Equipment Paints/Coatings Windows Crew Accommodation Fuel Capacity Freshwater Capacity Ballast Action radius. Winches Deck crane

Other Deck Equipment, Liferafts Lifeboat Lights Rope/Chain Anchors Operational Area Date of Delivery Carpentry Insulation Safety equipment Ventilation Flooring Pumps

SCHIP&WERF deZEE -OKTOBER 2005

W23Òfeaian.ìiady

Mukseldfedei

-restncte&arIrdand, 30nm .

-Waterford _Wexford

MachInefahnekPadmosV (hull by StaJREM SA Poland)

:Mchmefabuek Pacimos BV MiPaiitBarlow ecthr&WodttownBay ShellflshLtd steel alumimum st I

'.:

. .. ' .

Lloyds Register of Shipping 5100 Al /LMC/Fishuig vessel/30 miles from coast for DOM,

43,65:7

.39_o-

10--3,1' 2;2

.2,55-

- rñ

See Table 2 HoldCapacities 473 487 142 146 -Mitsubishi 6D1-6 (2x) Stamfbrd 81.5 kVA (2x) 'Padmos PP1SO (2x) hidrauljc dtivèn

(710'mrn diameter each 110kw @ I45Orpm)

Hydrauvision Padtnos

230 -/ 400V. -.

Elektro Westhoeve/Padinos

Elektro Westhoé\e / Bakker Sliedrècht Furuno &j-RC SIMRAD Barry Electniriics Barry Electronics Barry-Electrònics Alphatron-Barry Electronics Barry Electronics - ., Baroy Electronics Westhóeve-, Aiphatron PROMACSTTJWA Bakker Yerseke IntethatjonaLPajit -Bohamet Poland. I 39

-- -m3'

-1-38 ' 172' 'rn; approx. lOdaysfull-power PAD.MOS.8 cfrum-mùssel:winch (317kw) / EHIi.R25000(approx 35kW 2Stm) 2 x Zdtedges- . ' -. 2xRFD' DAV1Trescue bnit Wnithoeie -, .Rdert - -- -Wortelboer 2-x pooi 270kg . AreaC

.

--Noy&mber2004/ Apt-il 2005 Ijtama scheepsbetimmenng DIta [solatie Stellend'àm Datema -

--Heineñ &FTopman --'ffelder &May -

-WD 210 Wing o,ÇtheWormng

- hlexMCthhy

-Dil-ector of 'Alex McCarthy Shellfish Ltd - -;

-4465 ii 40,6 - Im

2.x MitsubishiSOR MPTK 450h f600 rpm

-2*Reintjes WAF 3443 57-1:1,

2 x Fixed pitch propeller diameter 1200 mm in van der Giessen wing nozzle 2 x 2 with rudderinaximum angle 65 degrees

- ' approx. 11.5 knots - . .- .-. --- l4itsubishi6DI6(1x)/Mitsbishi S&R2 MPTK -electric-driven 15 Table I -Main data mussel dredgers (only differences shown)

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General Arrangement Plans

W-243 Creadan Lady

WD-210 Wings of the

Morning

16 f"!

llJLì

SCHIP&WERF de ZEE - OKTOBER 2005

-

7-;_ ---i .

. .

I

-

!Lj.-____

(7)

Creadan Lady mussel holds

cessing system was developed by W.

Bakker B.V., Yerseke, The

Nether-lands. The big bags are prepositioned on. chains and discharged in port with the aid of a hydraulic crane. When

re-quired, rejection of the mussels back

into the sea from the holds can be

reali-zed by utilizing the turning nozzle at

the front side of the hold and the relea-se port in the floor of the hold. This

ho-le can be covered with the use ofa

hy-draulically activated cylinder. As the

hold floor lays above the waterline in unloaded condition ajet (although pre-sent) is not required when rejecting the mussels.

Without using this emptying hole the hold may also be emptied by utiliatiòn

of the bilge pump.

In the case of Wings of the Morning

the process starts with the mussels

being taken on board via two mussel dredges suspended by the dredging

wings on PS and on SB and placed into one washing receiver plant with a

slan-ted floor of 4 degrees, placed in the

forward hold. The mussels are then

washed down to a central point with the

tana finally being flushed down and contained in the hold underneath the washing plant. The washed catch is

then transported upwards via a central

Wings of the Morning mussel holds and dredging wing

SCHIPQWERF doZEE -OKT2BEfR 2005

17

conveyor belt where it is further sorted and then further transported viaa

cen-tral conveyor belt aft towards hold #2

and hold #3 where the mussels are dis-charged into big bags or loaded as bulk.

The remainder of the process is the

sanie as that on board The Creadan

la-- dy and this processing system was also developed by W. Bakker B.V.

Engine rooms forehead and aft

The Creadan Lady has a diesel powered winch and rinsing pump in the forward

engine room and the Wings of the

Morning has a winch and double

rin-sing pump which are electric driven.

The aft engineroom of both vessels

house the same twin engine and gear-box arrangement, two auxiliary

genera-tors and other engine room equipment.

Each main engine drives a 5 bladed

fixed pitch propeller in a van der Gies-sen wing nozzle fitted with two rudders for improved manoeuvrability.

Both Creadan Lady and Wings of the Morning are equipped with Mitsubishi

marine diesel engines for propulsion

and auxiliaries. Padmos is a dealer of Mitsubishi marine engines since 1972

complete with a 24 hrs service.

Table 2 - Hold capacities

Both engine rooms aft and forehead are designed for easy maintenance and easy operating.

Ballast system

A ballast system is installed in both

-vessels to control sailing behavioúr. at any time. Trim, draft and heel can be compensated by the large balla't tanks in aft ship, under the mussel holds and

forehead engine room bottöm.

Bowthrusters

For maneuvering at slow speeds a

dou-ble bow thruster installation hás been installed. Winches and bow thrusters

are Padmos delivery as well as the com= plete generator sets.

Accommodation and wheelhouse

The accommodation of the Creadan La dyhas been designed for a cre of 5 and consists of i single cabin and 2 two

per-soñ cabins. The accommcdation of the

Wings of the Morning has been design-ed for a crew of 7 and consists of i single

cabin and 2 three person cabins. The

standard of accommodations is good.

The wheelhouse arrangement and des-ign guarantee excellent visibility

du-ring dredging and sailing. Via controls,

cameras and alarming, the skipper is continually fed with sufficient infor-mation and thereby has complete

con-trol of the vessel from within the

wheelhouse.

Wings of the oriiizig,

17-5

125

-lOO(washiiig&târra)

Classification

Both the Creadan Lady and the Wings of the Morning are built under Lloyd's

Register class with controlling body the

Irish Department of Manne.

Since the delivery of the the Creadas Lady and the Wings of the Morning, by Machinefabriek Padinos, both

ves-sels have been working to full

satisfacti-on of their owners catching mussels

from the Irish Sea.

Newbuilding orders

Since the delivery of the Creadas Lady and the Wings of the Morning,

Machi-nefabriek Padmos B.V is ñow in the

process of building WT-231 Emerald

Grafia for Irish owners which will

-supersede the vessels described here

and become the largest mussel dredger to date. Delivery expected in December 2005.