As European offshore wind power development accelerates, a series of costly failures has undermined confidence in turbine tower foundations. Now, a leading risk management company has produced new design guidance in a bid to prevent tower settlement that can cause potentially costly stresses in support structures. Photo: courtesy of Scira Sheringham farm designers had time to alter the monopiles while they were still in fabrication. + Image Image: courtesy of DNV Norway’s Det Norske Veritas A/S, H�vik, began reviewing its seemingly faulty design guidance in the fall of 2009 following reports of support failures in some completed turbine installations. DNV
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.