21.5m Cutter Suction Dredger

Listing ID - 5411
Description	21.5m Cutter Suction Dredger
Date Launched	2024
Length	21.5m (70ft 6in)
Beam	13.6m (44ft 7in)
Draft	4.23m (13ft 10in)
Note	Main Engines: 1x Volvo Penta
Location	Greenland
Price	1,300,000 EUR
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Built year / Place: 2024 / The Netherlands

Hull material: Steel

PRINCIPLE DIMENSIONS

Length Overall: 21.5m

Breadth: 13.6m

Draft: 4.23m

MACHINERY & PROPULSION

Total power output: 285 BHP

Main Engines: 1x Volvo Penta

ADDITIONAL INFORMATION

New cutter suction dredger CSD250 type

Dredging depth 8.00 m

Abt. 1200 running hours

800 m HPDE hose

100 m rubber hose

floaters for hose etc.

The dredger has been used for silt

Weight is abt 32 ts and can easily be lifted on deck on a RAL container vessel going to Iceland and Denmark

Dismountable 3 pontoons with heavy duty coupling system

Working and auxiliary spud

Inboard, high wear resistant dredge pump

Main diesel engine for driving hydraulic power unit

Hydraulic motor driven dredge pump

Cutter head driven by hydraulic motor

Cutter head with replaceable teeth

Inspection piece in front of dredge pump for easy inspection and cleaning

The dredger swings to both sides by side wire

Hydraulic operated winches for hoisting the ladder and swinging of the dredge

Two heavy duty spuds with hoisting eye and locking points, lifted by hydraulic cylinders

The dredger can be towed in water by sheltered, coast, or inland waters

Spacious, ventilated cabin is located on raised platform for good over view of all directions. Cabin has air conditioning.

Main Dimensions

Length over all (approx.) incl. cutter ladder 20.5 m

Length over pontoon (assembled) 13.6 m

Breadth over pontoon (assembled) 4.23 m

Depth main pontoon 2.2 m

Depth side pontoon 1.25 m

Design draught 0.8 m

Dredging depth @ 45 degrees ladder 8.0 m

Suction pipe nominal diameter 250 mm

Discharge pipe nominal diameter 250 mm

Cutter power 35 kW

Cutter speed 0-40 rpm

Total diesel engine power 210 kW

Main Pontoon

Length 9.0 m

Breadth 2.25 m

Depth 2.2 m

Side Pontoons

Length 11.5 m

Breadth 1.50 m

Depth 1.25 m

Control Cabin

Floor area 3.0 m2

Ventilation Ventilation fan

Climate control Room heater

Lights 1x interior light; 2x flood light

Additional Screen wipers

Instrumentation Dredging depth indicator

Technical Data

Cutter

Make Dredge Yard

Type Multi-purpose

Power 35 kW

Speed 0-40 rpm

Cutting system Usable: narrow teeth, pick-point teeth or chisel teeth

Spuds

Length 10.1 m

Diameter 324 mm

Approx. Weight 1.0 ton

Spud Hoisting

Ram Force 45 kN

Cylinder stroke 1.25 m

Ladder Hoisting Winch

Wire Pull 40 kN

Hauling Speed 0-20 m/min

Wire diameter 13 mm

Swing Winches

Wire Pull 40 kN

Hauling Speed 0-20 m/min

Wire diameter 13 mm

Swing Anchors

Weight 230 kg

Dredge Pump

Make Dredge Yard

Type DYP250-250

Bearing block Two spherical roller, Roller bearing; one thrust bearing

Wear material White iron-high wear resistant

Seal Mechanical face seal

Dredge pump motor power 140 kW

Engine

Make Volvo or Equiv.

Power 210 kW

Tank Capacities

Fuel Oil (approx.) 4.0 m3

Hydraulic Oil (approx.) 1.0 m3

Ballast Tank 4 tanks

Electrical Installation

Main alternator

Voltage 24v

Capacity 60Ah

Batteries

Voltage 24v

Capacity 400Ah

Propulsion for simple manoeuvring in sheltered water

Type Steerable propeller

Numbers 2

Power 37 kw

Trust force 4.4 kN

Direction of vessel Forward; reverse; left; right

Hydraulic Installations

Hydraulic system drives:

Cutter head motor

Dredge pump motor

Ladder Hoisting winches

Side winches

Spud hoisting cylinders

Consists mainly of:

Cutter motor

All winch motors

Hydraulic oil tank

Boost valve

Return Filter

Oil Cooler

Pressure valves

Cutter reverse

Cutter valve

Winch valve

Cylinder valves

Solenoids

Climatic Conditions

Ambient Temperature Min -10 °C, Max +50 °C

Machinery Room Max +55 °C

Sea Water Max +32 °C

Relative Air Humidity Max 70% @ 35 °C

Atmosphere Salty and high humidity

The details of all vessels are offered in good faith but we cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. Any buyer should instruct their agents, or their surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to sale, price change, location or withdrawal without notice.

21.5m Cutter Suction Dredger

Listing ID - 5411