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US: TDI-Brooks awarded shallow water geotechnical coring project off US Off US East Coast


09 Jul 2023

Photo - see caption

Avangrid has awarded TDI-Brooks a shallow water geotechnical site investigation survey at block OCS-A-0508 also known as Kitty Hawk Wind.  The data collected will inform the design of the export cable and inter-array packages.

Photo - see caption

The scope of work includes utilizing a TDI-Brooks’ owned Datum Neptune 5K (pCPT) at 155 sites and a newly-designed TDI-Brooks pneumatic vibracorer (pVC) at 80 sites. The pVC is a light weight (4,600-lb in air), high power vibracorer and has been successfully deployed on the US East Coast >200 times for offshore wind farm (OSWF) projects. The pVC can be used for cores up to 6-m in length (and down to 9-m or 12-m with frame extension). Upon completion of the geotechnical vibracoring, all samples are sent to the TDI-Brooks’ ISO-certified geotechnical and environmental laboratories in College Station, Texas for testing. TDI-Brooks operates from a local port off Bridgeport, CT and plans to utilize the RV Marcelle Bordelon, a short-term vessel of opportunity. The fieldwork is expected to be completed by mid-July.

With each offshore wind project carried out, the operator contracts representation from the local fishery organization to accompany the survey. This representative is onboard during the duration of the survey to ensure communication and coordination takes place with the local fishermen.  The fishery representation ensures the survey vessel remains clear from all fishing gear and fishing areas. In addition to a fishery presentative, a Protected Species Observer (PSO) is deployed to support industry and academic marine activities by conducting monitoring onboard the vessel to minimize any potential impacts on species encountered.

The purpose of the project is to develop a commercial-scale, offshore wind energy facility in Commercial Lease OCS-A 0508, with up to 69 total wind turbine generators, an offshore substation, inter-array cables, an onshore substation, and up to two transmission cables making landfall in Virginia Beach, Virginia, and connecting to the Pennsylvania-New Jersey-Maryland (PJM) Interconnection energy grid. This project is intended to substantially contribute to the region’s electrical reliability and help Virginia achieve its renewable energy goals as stated in the Virginia Clean Economy Act.

TDI-Brooks is a Texas-based C-Corporation based in the USA. They operate multiple multi-use oceanographic research vessels on the US East Coast in the offshore wind market.

Original article link

Source: TDI Brooks





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