Mark Williamson Design

25.2m Low Wash Ferry

 

link to 25.2m structural arrangement

 

 

 

 

Principal Data

Length Overall

25.20 metres

Length WL

24.80 metres

Beam

8.00 metres

Draft

1.0 metres

Construction 

Aluminium

Main Engines

Yanmar 6LY2ASTP

Gearbox

ZF IRM350 2.947:1 ratio

Propulsion

2 x 28"  fixed pitch five-blade propellers

Auxiliary 

Cummins 4BT 3.9G2(M) / UCM 224E 60kVa

Maximum Speed

24 knots

Cruising Speed

21 knots

Fuel Capacity

2000 litres

Freshwater

200 litres

 

 

Vessel Description

 

VESSEL TYPE: Low wash round bilge Catamaran

 

SURVEY AND CLASSIFICATION:

Queensland Survey USL 1D

 

STRUCTURE:

Hull, Main Deck:  Aluminium

 

Materials (to be inspected as required by Survey Authority and Owners Representative):

Sheet and Plate - Grade 5083-H321, H116, 5086-H32

Extrusions - Grade 6061-T6, 6082-T5

Filler Wire - Grade 5356

Castings - Grade CC601-T1

All welders to be approved by the Survey Authority.

 

SS Fairing : Composite

 

OUTFIT AND FINISHING:  

The vessel shall be laid out as per the general arrangement drawings and all fittings and equipment required for the operation of the vessel shall be supplied.

The ‘fitout’ is to be of a high commercial finish in keeping with a modern passenger vessel.

The interior layouts and finishing’s will be confirmed in conjunction with the client.

 

Noise Levels

The noise level at the centre of each crew and passenger area shall not exceed 75 dB(A) and the noise level at the centre of the wheelhouse shall not exceed 65 dB(A).

 

Fitout:

FLOOR:                   Carpet (100% Wool), Rubber in WHS & entry. Non Skid Paint Exteriors

DECKHEAD:         “Luxalon” perforated aluminium

LININGS:

Sides                       Composite

Bulkheads               Composite

Deckheads              "Luxalon" Perforated Aluminium

 

SEATING:               Transport Seating “Wave Rider”, Seat pitch to be 850mm

 

AIR CONDITIONING SYSTEM: Reverse cycle system is based on an water cooled compressor unit linked up to a multiple number of fan coil units. Design of the system shall be based upon an ambient operating temperature of 35°C (98% RH) and sea water of 25°C. Crew spaces to be cooled/heated to 21°C (50%RH).

 

NAVIGATION and COMMUNICATION EQUIPMENT: (as per survey requirements of USL 1C)

RADAR

JRC JMA-2254 10” Rasterscan Radar

4 kW output, 48NM range, 3.5” antenna, twin EBL’s and VRM’s 24v DC

GPS / ECHO SOUNDER

RC JFV-850 10” Colour Sounder, 200 / 50khz dual frequency 
600W output, shallow and deep alarms, zoom, inbuilt track plotter 24v DC

LOG

Silva Sea Data

VHF RADIO

GME GX548

HF SSB RADIO

Barrett 550 HF SSB Transceiver

AUTOPILOT

Navicontrol AP3003, 24v DC

COMPASS

Cetrek “Poseidon”

SEARCHLIGHT

Den Haan DHR CS-220

 

 

General Arrangement

 

 

 

 

  

 

 

main deck internal

 

 

 

 

PDF Downloads

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brochure ga

 

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Mark Williamson Design

 48 Sweetgum St, Ashmore Qld 4214, Australia

Ph: (617) 5597 3521 Fax: (617) 5597 3529

E-Mail: info@mwdesign.net.au