Calling for entries from companies and consortia interested in undertaking a study to understand and validate the use of concrete floaters and their decommissioning globally.

The Floating Wind JIP would like to investigate key areas related to concrete use for floating offshore wind turbines floaters, increasing the industry’s understanding on the material requirements and properties of cement and its aggregates to be used in floaters, the need for reinforcements, and the reliability of these floaters. Further, to aid the industry’s decarbonisation efforts, the JIP aims to gain a better understanding on the carbon footprint of using concrete floaters as well as the distinct decommissioning and end of life strategies of concrete floaters to be used by the floating offshore wind industry.

Objectives

• Assessment and validation of various types of concrete suitable for floater buildout, with respect to long-term integrity, corrosion of reinforcements, general deterioration, costs, and carbon footprint.
• Evaluate the potential strategies for decommissioning and recycling concrete floaters, considering the associated costs and how methods may differ by region.
• Calculate the carbon footprint of concrete floaters associated with identified decommissioning and end-of-life strategies.
• Comparison of steel and concrete floaters' carbon emissions during their lifetime (construction, operation and maintenance, and decommissioning).
• Utilise results to develop a concrete floater roadmap to deployment.

The deadline for clarification questions has now passed. Answers to questions received can be downloaded below.

The closing date to receive tender submissions is 12:00 GMT 8 April.

All clarification questions and tender submissions should be sent electronically, by their respective deadlines to arturo.andersen@carbontrust.com, with floatingwind@carbontrust.com in copy.