Smit Semi

 Principal characteristics:

 Name

  Smit Semi1/Smit Semi 2

 Type

  Diving Support Vessel

 Yard number

  936/937

 Year

  1988

 Owners

  Smit internationale

 Built by

  IHC Krimpen Shipyard

The task and requirements

Smit International is, besides its well known towing and salvage operations, active in offshore contracting. At the end of eighties, a multi-functional offshore platform is considered. Medium size installations, construction and maintenance work is targeted, and a design study results in the specification of a semi submersible design. The yard accepts design responsibility as part of the building contract.


The concept

As a result of a comprehensive marketing study the Smit Semi 1 and Smit Semi 2 are designed as semi submersible self-propelled offshore support vessels. The vessels shall be equipped for installation, diving/inspection, maintenance and repair duties. The vessels can be operated while automatically positioned by six anchors or alternatively by a redundant dynamic positioning system, controlling six electric azimuth thrusters.


Innovative solutions

The Smit Semi 1 and 2 are equipped with a moon pool, two diving facilities for up to 450 meters water depth and a 150-ton deck crane. The hulls are submersible to a draft of 12.6 meters, thus to withstand significant sea state conditions and to limit downtime. The 6 electrically driven thrusters and 6 mooring winches provide excellent dynamic positioning at various water depths.


IHC Merwede Offshore & Marine
Rivierdijk 586, 3371 ED Hardinxveld-Giessendam
P.O. Box 5, 3370 AA Hardinxveld-Giessendam
The Netherlands

T +31 184 677 300
F +31 184 677 301
shipyard.mws@spam-preventionihcmerwede.com

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