EDF Renewables and Fred Olsen Renewables have issued a number of tenders as they look to step up development work of the up to 1400MW Codling Bank offshore wind farm off the east coast of Ireland.
The partners are seeking geotechnical engineering services to include surveys at the array area off north County Wicklow and along the export cable route.
A notice says the work will include boreholes with samplings and in-situ testings, seabed CPTs, seismic seabed CPTs, grab sampling and vibrocores.
A number of lots are up for grabs and prospective bidders have until 16 October to take part.
The developers are also seeking the design and delivery of metocean and floating lidar measurement systems.
Interested parties have 25 September to take part.
A recruitment services partner is also being sought to supply workers throughout the lifetime of the project.
The deadline is 3 October.