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2014, PLA Hydrographic Service, Gunfleet Sands 3, Export Cable and WTG Inspection Surveys (Autumn 2014)

2014, PLA Hydrographic Service, Gunfleet Sands 3, Export Cable and WTG Inspection Surveys (Autumn 2014)

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Geophysical

Description

The Port of London Authority (PLA) Hydrographic Service was commissioned by DONG
Energy to undertake a Multibeam Echosounder (MBES) survey at the Gunfleet Sands 3
Offshore Windfarm in the Thames Estuary.

The scope of work, for the September 2014 survey included:
1. MBES survey of 50m wide corridor along Export Cable Route between the
WTG F0 and the HDD exit point [See Figure 1].
2. MBES survey of the WTG foundations F00 and G00 and inter-array cable.

This report covers survey elements which were undertaken on the 5th & 6th September 2014,
along the Export Cable Route and around Turbines F00 and G00. The survey work was
carried out using the PLA survey vessel ‘Yantlet’, with bathymetric data being collected using
a hull-mounted Reson SeaBat 8125h MBES.

Dataset

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Fledermaus 3D Scene Files

XYZ Data

Cross Sections

Charts

Shaded Bathymetry GeoTIFFs

Contours

Backscatter Mosaic

Report

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Report