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Siemens to equip special vessel for transporting and erecting of offshore wind power plants

20.07.2011
J. J. Sietas KG of Hamburg is the first German shipyard to build an installation vessel for the erection of offshore wind farms.

The new transport and installation ship for erecting of offshore wind farms of the
Van Oord Group will be equipped with Siemens technology. (Photo: J.J. Sietas)

Siemens Marine Solutions will supply the appropriate diesel-electric propulsion and automation system as well as the medium voltage system for power generation and distribution. The order has a value of several million euros. The special vessel is due to be handed over to Van Oord, a Dutch water engineering company, in September 2012.

J. J. Sietas KG Schiffswerft GmbH u. Co. is a shipbuilding company located in Hamburg-Neuenfelde, which specializes in building special, innovative, industrial ships. It is the first German shipyard to build an installation ship for erecting of offshore wind farms. It will be used by the Van Oord Group for its offshore projects in the North and the Baltic Sea. The order for the electrical equipment was awarded to a project consortium comprising Siemens AG, Siemens Norway and INTERSCHALT maritime systems AG. The scope of supply from Siemens includes the main generators and the distribution transformers for the ship's medium-voltage distribution, the switchgear and the power management system. Siemens is also delivering the medium voltage transformers and drives for the bow thrusters and the soft starters, as well as the motors for the main propulsion system. Siship Imac, the Siemens ship automation system, will be installed to handle the monitoring, alarm and control functions of the on-board electrical systems.

The company will also be responsible for the project management, engineering and commissioning of the complete diesel-electric propulsion system. All the systems and components used are part of the Siemens Siship solution platform. The special vessel with a carrying capacity of up to 6,500 tons (dead weight tonnage) is designed for transporting and installing offshore wind power plants. It is intended for use in offshore wind farms located at a distance from the coast. With a length of 139 meters and a width of 38 meters, the ship will be able to work in waters up to 45 meters deep. Furthermore it will have a draft of 5.70 meters and a speed of twelve knots. The special on-board crane will be able to lift 900 tons with an outreach of 30 meters, and work up to a height of about 120 meters above water level. During the installation work in the wind power farms, the ship's crew of 74 will be accommodated in single and double cabins.

Further information about solutions for merchant ships and marine can be found at: http://www.siemens.com/marine

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation and building technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations of the Industry Sector (excluding Osram) totaled around €30.2 billion. At the end of September 2010, Siemens Industry Sector had around 164,000 employees worldwide without consideration of Osram. Further information is available on the Internet at: www.siemens.com/industry.

The Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities comprising the business activities of Siemens VAI Metals Technologies, Water Technologies and Industrial Technologies. Activities include engineering and installation, operation and service for the entire life cycle. A wide-ranging portfolio of environmental solutions helps industrial companies to use energy, water and equipment efficiently, reduce emissions and comply with environmental guidelines. With around 29,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.0 billion in fiscal year 2010. http://www.siemens.com/industry-solutions

Siemens AG
Corporate Communications and Government Affairs
Wittelsbacherplatz 2, 80333 Munich
Germany
Reference number: IIS201107.198e fp
Media Relations: Rebecca Zapfe
Telephone: +49 9131 7-46076
E-mail: rebecca.zapfe@siemens.com
Siemens AG
Industry Sector - Industry Solutions Division
Schuhstr. 60, 91052 Erlangen, Germany

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