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2012, EGS, Walney Extension, Export Cable Route Additional Geophysical Survey

2012, EGS, Walney Extension, Export Cable Route Additional Geophysical Survey

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Geophysical

Description

In May 2012 EGS (International) Ltd was contracted to undertake a pre-construction
     geophysical and bathymetric survey of the export cable route of the future Walney Extension
     (WOW03) windfarm site. The surveyed areas were located 22-30 km north-northwest of
     Walney Island, UK. Survey operations were carried out in three distinct locations; Block 1
     and two separate cable routes String 2 and String 3. The survey was a Part 1 Consent and
     Environmental survey, data gathered for which is anticipated to lead to consent for grab
     sampling at the proposed sites.
     EGS conducted a high-frequency Multibeam Echo Sounder (MBES) bathymetric survey,
     combined with side-scan sonar (SSS), magnetometer and seismic sub-bottom systems. A
     pole-mounted Kongsberg HiPAP 351P/5 USBL was used for accurate sub-surface positioning
     of the towed instruments.

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Report

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Interpretive Report

Operations Report