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2007, Fugro, Lynn and Inner Dowsing, Side-scan Sonar Debris Clearance Surveyrn

2007, Fugro, Lynn and Inner Dowsing, Side-scan Sonar Debris Clearance Surveyrn

Topic categories:

Geophysical

Last series update:

May 2021

MEDIN approved

Industry:

Wind

Collection date:

Mar 2007 - May 2007

Development:

Lynn and Inner Dowsing

Publication date:

May 2021

Round:

1

Organisation:

Fugro

Phase:

Pre-construction

Description

This report contains the operation details and results of the Lynn and Inner Dowsing Windfarm Mono Pile Foundation pre-construction side scan sonar debris clearance survey carried out for MT Højgaard A/S commisioned by Centrica. The fieldwork was undertaken between the 20th March and the 10th May 2007 by Fugro Survey Limited, using the M/V Genesis.

Work consisted of a SSS survey to determine any seabed contacts within an area encompassing all 60 proposed monopile locations for the Lynn and Inner Dowsing Windfarm. It was proposed that lines are performed nominally every 40 metres in the mainline orientation with
cross lines nominally every 200 metres. Mainlines are also run 20 metres offset from each monopile location with a cross-line again offset by 20 metres from each location.

The Service Warranty in Appendix E outlines the limitations of this report.