G-tec has executed in 2022 a Geophysical investigation and UXO detection survey over a future offshore wind concession zone in Belgium. The pre-installation surveys aimed the acquisition of precise bathymetric data, high-resolution side scan sonar data, ultra-high resolution seismic profiles and magnetometer data. Dedicated magnetometer data was acquired for UXO detection over the geotechnical investigation locations for the preparation of ALARP certificates.

Our Survey Team handled with exceptional efficiency the massive amount of data (over 3,000 kilometres of survey lines) that was acquired, processed, and interpreted in over 160km².

G-Tec has performed a Multi-million Geophysical Investigation and UXO detection survey in 2022 over one of Scotland’s future Offshore Windfarms. The survey was executed at turbine locations simultaneously with the installation of foundations and at the inter-array cable routes. In total, over more than 1350km of survey lines were acquired and processed with the following methodologies:

– Bathymetry survey with multibeam echosounder

– Side Scan Sonar

– Sub-bottom profiler

– UXO detection with a Multi-frame Gradiometer.

G-tec has carried out a geophysical campaign along the export cable routes of an Offshore Wind Farm in the Irish Sea in 2021. The survey included a bathymetric survey with multibeam echosounder, Side Scan Sonar and Magnetometry. G-tec has acquired more than 2,000 km of survey lines and 70 grab samples over the export cable routes and was responsible for the nearshore acquisition (<10m LAT), where a Nearshore 12-hour vessel was deployed and Offshore acquisition (>10m LAT) where an Offshore 24-hour survey vessel was used.