Quattropod® Installations

Detail design / and wind farm installed

OFFSHORE WIND FARM COUNTRY FINAL CLIENT WATER DEPTHS INSTALLATION YEAR WIND TURBINE SCOPE REMARKS
Beatrice(2 units)

UK (Scotland)

Talisman

45m

2006

REpower 5M

Responsible for basic design primary steel for WTG substructure First jacket-based design installed in offshore wind. Debut of the OWEC Quattropod®.
Alpha Ventus(6 units)

Germany

DOTI (EWE, E.ON and Vattenfall)

30m

2009

REpower 5M

Responsible for detail engineering of piles, primary and secondary steel for WTG substructure. Follow-up of fabrication issues with the yard BiFab. The scope included the provision of all needed documentation for third party (GL) and BSH approval including ULS, FLS and SLS calculations together with engineering drawings. First complete detail engineering project including interface management and certification process. 2nd Generation – OWEC Quattropod® Mid-Section. Pre-installed piles concept designed, certified manufactured and installed for first time.
Ormonde(30 units)

England

Vattenfall

20m

2010

REpower 5M

Responsible for detail engineering of piles, primary and secondary steel for WTG substructure. Follow-up of fabrication issues with the yard BiFab. The scope included the provision of all documentation needed for third party (DNV)’s approval including ULS, FLS and SLS calculations together with engineering drawings. First commercial deployment of OWEC Quattropod® in a large-scale wind farm. Pre-installed piles concept proven for large wind farms.
Thornton Bank II(48 units + 1 OTS)

Belgium

C-Power

(RWE, EDF-EN, DEME…)

15-27m

2011 / 2012

REpower 6M

Responsible for detail engineering of piles, primary and secondary steel for WTG substructure. In addition we made the detail design for the Offshore Transformer Station (OTS) substructure. Follow-up of fabrication issues with the yard Smulders. The scope included the provision of all documentation needed for third party (DEWI)’s approval including ULS, FLS and SLS calculations together with engineering drawings. First fast-track detail engineering project with 5 different jackets-types (48 units) and 1 OTS substructure designed, installed and certified.
Le Carnet(1 unit, prototype)

France

Alstom

onshore

2011

Alstom Haliade 150 (6 MW)

Responsible for detail engineering of the primary steel for the WTG substructure. Follow-up of fabrication issues with the yard STX. First prototype for new wind turbines generation (150 m rotor diameter, large loads). 3er Generation -OWEC Quattropod® Mid-Section.
 STUDIES PERFORMED FOR:

A2Sea, Alstom, Bifab, DEME, Deepwater Wind, GE, Hochtief, Iberdrola, Innovent, MT Højgaard, Norsk Hydro, NorWind, Norther,ODE, Poweo, REpower, RWE, Smulders, Statkraft, STX, Talisman, Tecnova, Vattenfall, Vestas, Havsul, WPD.