Pre-piling - NGI

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Pre-piling - Sequential mass installationPre-installation of Piles using mobile piling template (GeoSea)Transit of jackets or tripodsLifting/stabbing the structuresinto pre-piled foundationsTopside completion
Pre-piling…How to make it fit?Illustration from OWEC Tower ASTypical Installation Tolerances:• Driving piles with max 200mmdifference in elevation & max 1° tilt• Horizontal positions given by tolerancesin piles guides on template• ”As driven” pile top elevations measuredwith better than 10mm accuracy
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Pre-piling - NGI

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