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09066 Mooring Chains - Extent of Drain from ICCP System and Sacrificial CP System

Picture for 09066 Mooring Chains - Extent of Drain from ICCP System and Sacrificial CP System
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Product Number: 51300-09066-SG
ISBN: 09066 2009 CP
Author: Lene Marita Green, Svenn Magne Wigen and Harald Osvoll
Publication Date: 2009
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$20.00
$20.00
Cathodic Protection (CP) for floating structures has to include current drain to mooring systems. Current drain to mooring systems has to be accounted for both on the floating structures and at the anchor side at the sea bottom. The prevailing recommended practices state that current drain to 30 m of the chains both on the floating structures and at the anchor side has to be included in the CP design. In addition for the floating structure the seawater exposed chains down to the fairlead have to be included. Experiences over the last years have given some indications of significantly higher current drain to mooring system both from ICCP system and galvanic system.

Keywords; Current Drain, Mooring Chains, Impressed Current Cathodic Protection
Cathodic Protection (CP) for floating structures has to include current drain to mooring systems. Current drain to mooring systems has to be accounted for both on the floating structures and at the anchor side at the sea bottom. The prevailing recommended practices state that current drain to 30 m of the chains both on the floating structures and at the anchor side has to be included in the CP design. In addition for the floating structure the seawater exposed chains down to the fairlead have to be included. Experiences over the last years have given some indications of significantly higher current drain to mooring system both from ICCP system and galvanic system.

Keywords; Current Drain, Mooring Chains, Impressed Current Cathodic Protection
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