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TSHD Spauwer

An ultra-modern trailer-suction hopper dredger has been developed in this subsidiary by Den Herder Seaworks.This vessel will be deployed farther offshore, beyond the continental shelf, into dredging areas with greater depth. TSHD Spauwer came into service in mid-April 2017 and has been successfully used for various extraction projects at customer’s areas.

The 13,060 tons cargo hold capacity as well as the in-house developed sand and gravel extraction installation suitable for a suction depth up to 65m below surface, makes the vessel multi-usable for very efficient dry and wet discharge of sea granules.



SPECIFICATION

Type of vessel
Vessel Double propeller trailer suction hopper dredger with underwater pump installation, dry unloading installation and conveyor belts
Year of construction 2017
Call sign PDCI
Home port/flag/vlag Yerseke, the Netherlands
Class Bureau Veritas, self-discharging hopper dredger
Classification symbol: I
Construction marks: ✜ HULL ✜ MACH
Navigation notation: unrestricted navigation
✜ AUT-UMS / ICE CLASS IC
Sailing areas A1 & A2
Navigation/ safety equipment In accordance with class requirements and SI
Spud poles 2x, telescopic, winch-operated

Dimensions
Length overall 142,80 m
Length between perpendiculars 134,54 m
Beam 21,60 m
Draught 8,50 m
GT/ NT 9.781 GT/ 2.934 NT

Tank capacity
Fuel tanks total 967 m3
Lubricating oil tanks total 92 m3
Hydraulic oil tanks total 50 m3
Fresh water tanks total 75 m3
Bilge water total 80 m3
Sweet flush/washing water 1.200 m3
Ballast water total 962 m3

Engine room
Main engine 2x GE dieselmotor, type 16V250, power 4.038 kW each, ZF Marine W8310NR reduction gearbox, reduction 1000:157
Shaft generators 2x GSIF A, driven by main engine, power 5.000 kVA each at 1.000 rpm
Generator sets 3x Scania, DI-13 075 M, 353 kW/50Hz each
Bowthruster 2x Verhaar OFP1800, 750kW each, electric motor

Dredger installation
Cargo hold capacity 7.453 m3, loading capacity ca. 13.060 tons
Dredger depth Approx. 65 meter
Sand pump IHC, type HRLD165-41-94, driven by electric motor, type MIBS 1000M-12s, 2.050 kW
Jet water pump Nijhuis 1500 kW, cap. 7.100 m3/uur, 5-10 bar
Suction pipe/gantries In-house design, pipe with underwater pump installation, diameter 900 mm, with cardan shaft, jet water pipe and trailing suction head
Gantries with winches and stabilizers
Screenbox Hydraulically adjustable
Dry unloading installation Hydraulic crane with grabber of 25 m3, movable over rails.
Conveyor belts electrically/ hydraulically driven

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Telephone +31(0) 113 820 320
E-mail mail@dhseaworks.com
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