Sospan Dau

The TSHD Sospan Dau is a Dutch trailing suction hopper dredger[1] owned by Sosban BV. The vessel has worked on dredging projects, including offshore aggregates, port maintenance,[2] land reclamation, coastal defense and beach replenishment. The name Sospan Dau is Welsh and originates from Sosban Fach and Llanelli's tin plating industry, Sospan being the Welsh for Saucepan and Dau being Welsh for Two as the ship is a successor to the original Sospan.

History
Name: Sospan Dau
Namesake: Sosban Fach ("Saucepan Two")
Owner: Sosban BV
Operator: Boskalis Westminster
Port of registry: Papendrecht,  Netherlands
Builder: Atelières et Chantiers de la Manche, France
Laid down: 1978
In service:
  • Converted to TSHD in 2001
  • Rebuilt in 2012
Identification: Call sign: PBAL
IMO number: 7711062
MMSI number: 244990000
Status: In service
General characteristics
Tonnage: 1,850 GT
Length: 72.80 m (239 ft)
Beam: 14.30 m (47 ft)
Draught:
  • 2.80 m (9 ft) (summer)
  • 3.30 m (11 ft) (dredging)
Depth: 3.80 m (12 ft)
Decks: 4
Installed power: 3,200 kW (4,300 hp)
Propulsion: Caterpillar Main Engines x 2
Speed: 8.5 kn @ 750 rev/min
Capacity: 1500 m3
Crew: 8

Equipment

The ship has a traditional twin propeller stern and bow thruster for manoeuvering and like most trailing dredgers, includes bottom doors for dumping, a dredge engine, a jet water engine, a degassing installation, a suction pipe and associated pipelines and valves. Unique to most dredgers however, is a very large bulbous bow and spud pole for more efficient use of the dredge pump and heading/position keeping during beaching.

Projects

In 2014 & 2015 the Sospan Dau created the Cowes Harbour breakwater.[3]

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References
  1. "Fleet overview - Boskalis". boskalis.com.
  2. "Project - Boskalis Westminster UK". boskalis.com.
  3. http://www.cowesharbourcommission.co.uk/content/S635513075631866068/The_Perfect_Project_IHS_Dredging_and_Port_Construction.pdf


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