TDI-Brooks Completes Extensive Survey Campaign Offshore New York And New Jersey

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  • TDI-Brooks recently concluded a comprehensive survey campaign.
  • The survey was carried out using three vessels.
  • It emphasized the crucial role of data collection in determining optimal locations. 

TDI-Brooks recently concluded a comprehensive survey campaign off the coasts of New York and New Jersey, spanning from January 2023 to February 2024.

The campaign focused on investigating two offshore wind blocks in state and federal waters, reports Offshore Energy.

Survey Tasks and Activities

TDI-Brooks conducted a range of activities including geophysical surveys, UHRS detailed surveys, archaeological identification surveys, light geotechnical coring, and benthic sampling.

Over 20,000 line-km of analog and either single or multi-channel seismic lease blocks and cable routes were surveyed.

Survey Vessels Utilized

The survey was carried out using three vessels: R/V BROOKS McCALL, R/V MISS EMMA McCALL, and M/V MARCELLE BORDELON.

Geotechnical Survey Details

The geotechnical survey involved 150 pneumatic vibrators (PVCs) and over 150 Neptune 5K cone penetration tests (CPTs).

Data was collected from both lease areas and along the offshore cable route (OCR).

Survey Sensors and Equipment

Various survey sensors including dual-head multibeam sonar, side scan sonar, sub-bottom profiler, UHRS seismic, single-channel seismic, and Transverse Gradiometer (TVG) were utilized.

Focus Areas of Investigation

  • Seabed and Sub-Seabed Assessment
  • Measurement of variations in water depth and slope changes.
  • Examination of seabed morphology and lithology to identify natural obstructions.

Geohazard Assessment

Assessment of shallow geohazards that could impact the sites. Future deep geotechnical soil studies within the top 100 meters beneath the seabed.

Importance of Data Collection

TDI-Brooks emphasized the crucial role of data collection in determining optimal locations and designs for offshore projects like wind farms.

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Source: offshore energy