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2016, Fugro, Hornsea Project One Offshore Wind Farm,  UXO Survey

2016, Fugro, Hornsea Project One Offshore Wind Farm, UXO Survey

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Fugro was contracted by DONG Energy Wind Power A/S (hereafter known as the client) to undertake a preconstruction
and unexploded ordnance (UXO) survey on the Hornsea Project One offshore wind farm (HOW01).
The HOW01 site is located approximately 105 km east of Spurn Head and the Humber Estuary, in the western
North Sea, United Kingdom.
The survey comprised of a geophysical survey of wind turbine generators (WTG) and inter-array cables (IAC) on
the western (Lot 1) and eastern (Lot 2) part of the HOW01 site.
The objectives of the pre-construction UXO and engineering survey were:
- Acquire high-resolution bathymetry, sidescan sonar, magnetometer and sub-bottom profiler data in the areas
- Acquire information on possible ferromagnetic objects;
- Assess acquired magnetometer and acoustic data as instructed by the Employer and the Employers UXO
Consultant, with the aim of identifying any potential UXO that may form a threat during installation of the wind
- Identify natural and man-made objects at or below the seabed that may affect possible offshore installations;
- Identify seabed features and objects at or below seabed, both man-made and geomorphological;
- Identify and quantify possible biogenic reefs;
- Interpret the shallow subsurface (5 m depth) geology.
The geophysical survey was undertaken by the Victor Hensen, Fugro Frontier and Fugro Helmert between June 
and October 2016. 


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Sound Velocity Profiler Data

Raw Seismic Data

Survey Block Locations

Raw Magnetometer Data

Raw Side Scan Sonar Data


Processed Seismic Data

Processed Magnetometer Data

Seabed Classification Shapefiles

Sound Velocity Profiler Data(0)

Target Lists

Side Scan Sonar Data


Bathymetry Data


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Operations Reports

Mobilisation and Calibration Reports

Results Report