BNR 192 - Zwerver III

Multi purpose dp-1 support vessel

Shipyard Gebr. Kooiman BV, located in Zwijndrecht, has delivered a new multi-purpose support vessel, Zwerver III, to HvS Dredging Support in Harlingen. The ship is a sister ship to Zwerver I. Zwerver III is 35 metres long, seven metres longer than her predecessor, and is built to DP-1 standard. Zwerver III furthermore has an extremely shallow draught of no more than three metres.

The design of Zwerver III is an example of the successful collaboration between a shipbuilder and the customer. Kooiman Engineering decided on this occasion to use the original design of the owners as the basis, and developed this further in the light of the operational experiences of the customer. Collaboration and exchange led to a successful result.


The result is a multi-purpose DB offshore support vessel, one of the largest and most powerful in its class, given that it measures less than 500 GT. It is a Bureau Veritas I Hull Mach Tug Unrestricted Navigation AUT-UMS, Dynapos 1 AM/AT Ice Class 1C registered vessel, targeting the renewable energy and offshore markets. As such, the vessel is capable of providing general support and anchor handling work, diving support, supply activities, Single Point Mooring (SPM) buoy installations, hose and cable handling and survey and ROV operations.

A great deal of thinking and planning went into the creation of this large work ship, which becomes evident in many of the functions applied which have never been seen before on this type of vessel. Unlike its predecessor, Zwerver III has three levels of accommodation decks. The superstructure is positioned on the port side of the vessel and the fuel tanks on the starboard side as counterweight. The tanks can hold 260 cubic metres of fuel and 50 cubic metres of fresh water.



Multi Purpose DP-1 Support Vessel


  • Length O.A. 35.10 m
  • Beam (mld) 15.00 m
  • Depth 4.07 m
  • Low draught 3.00 m


  • Main engines: 3x Mitsubishi S12R-MPTK, 940 kW at 1600 r.p.m.
  • Reintjes reverse gears WAF 665
  • Propellers: 2 x Propeller dia 2.0 min type 37 A tube, 1 x Z-drive HRP 6311 WM propeller dia 1.75 min nozzle
  • Bow thruster: 2 x HRP TT-3001 propeller dia 1.0 m 220 kW


  • 2 x Mitsubishi S6R MPTA 570 kW @ 1800 rpm for hydraulic installation
  • 2 x Mitsubishi 6D16T 120 kVA


  • Towing winch: Kraaijeveld, 100/45 tonne pull @ 8/16 m/min, holding force: 200 tonne on first layer, wire capacity: 1000 m dia 48 mm
  • Deck crane: 2 x AKC 370/20 HE3, 10 tonne á 20 m, 1 provided with crane winch, both cranes remote controlled
  • Towing pins: 2 x set Kooiman Delta-pins with wire catcher for 60 mm, height 600 mm, holding force 100 tonne on upper side, 1 set at the stern roll, and 1 set at the bow roll, next to every set a hydraulic controlled pen, height 600 mm
  • Ancor winch: Kraaijeveld, 200/110/50 tonne pull á 8/13/29 m/min, holding force: 250 tonne on first layer, wire capacity: 1000m dia 60mm
  • Tugger winches: 3 x Brevini BWC 150, pull force 15 ton @ 15 m/min


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