DNV has granted a prototype certificate for a mooring line component designed to reduce dynamic mooring and platform loads on floating wind turbines, developed by Irish engineering firm Dublin Offshore.
The certificate for Dublin Offshore’s load reduction device (LRD) was issued after completing the prototype certification process under DNV‑SE‑0422 certification for floating wind turbines and DNV‑ST‑0119 technical requirements. This included assessments of design basis, structural integrity, load-reduction performance, safety-critical functions, and analysis verification and testing for the prototype phase.
The prototype certificate establishes a verified basis for further development and project applications, according to Dublin Offshore.
The company previously received a DNV Statement of Feasibility and Compliance, covering the LRD’s design, manufacturing, and performance aspects.
The device aims to reduce loads, cut costs, and decrease failure risks in permanent mooring systems used in floating offshore wind, Dublin Offshore reports.
“The LRD introduces a non-linear response in the mooring system through weight/ballast and buoyancy, aiming to reduce mooring loads under specific conditions. This is crucial for floating wind, as mooring systems significantly impact LCOE,” DNV stated via social media.
Following the prototype certificate issuance, Dublin Offshore plans to advance towards commercial deployment of the LRD, including project-specific qualifications and integration into permanent mooring designs.
“Completion of prototype certification is a significant milestone for the LRD,” said Tom Doyle, Technical Director at Dublin Offshore. “DNV’s independent verification ensures the technology’s technical robustness and supports engagement with developers, designers, and stakeholders.”
In 2021, Dublin Offshore received a verification for the mooring load reduction device from the European Marine Energy Centre (EMEC), confirming compliance with the International Electrotechnical Commission’s technical specification (IEC TS) 62600-10.
Original Story at www.offshorewind.biz