GEOTECHNICAL AND GEOPHYSICAL SURVEY

Jul 9

Geotechnical and Geophysical surveys will take place in the southern portion of Vineyard Wind Lease Area (OCS-A 0501), and along a small corridor of the northern portion of Vineyard Wind Lease Area (OCS-A 0501) beginning on or about July 9, 2020. The survey vessel LEEWAY ODYSSEY will begin operations first, followed by the EGS VENTUS.

The survey vessel LEEWAY ODYSSEY will be calibrating a gradiometer on the way to the survey area on July 28/29. e calibration location is in Vineyard Sound South of Woods Hole. e operation will take them back and forth across the cable area north of Middle Ground, an area with known magnetic targets (highlighted in green on the attached chart). e gradiometer will be towed approximately 10 to 20 feet above the seabed, between 350 – 650 feet off the stern of the ship. Once calibration is complete, they will proceed to the Lease area.

Location(s): The southern portion of Vineyard Wind Lease Area (OCS-A 0501)