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Load-out and load-over of an 840t ship section, the Netherlands

 

Overview

ALE performed the load-out and load-over of a 840t ship section in Hardinxveld-Giessendam, the Netherlands.

 

Services Required

Prior to the load-out, ALE jacked-up the ship section using 13 climbing jacks from the ALE climbing jack system.

After the jack-up, two sets of SPMTs were positioned underneath the ship section. 20 axle lines of SPMT in a 4 file 10 axle configuration and 16 axle lines of SPMT in a 4 file and 8 configuration. The SPMTs then lifted the ship section from the climbing jacks.

ALE monitored the ride levels to determine the suitable period to perform the load-out. It was decided that the load-out would be performed at rising tide to minimise ballasting during the load-out operation. Due to the extremely low water level at that time, a load-over from a larger non-submersible barge to the submersible barge was required.

On the day of the load-out, ALE transported the ship onto the prepared barge. Once on the barge, the ship section and SPMTs were sailed to a harbour nearby. The second barge was connected to the BOW and the ship section was loaded-over onto the submersible barge.

After the set-down of the ship section by means of SPMTs, these were then removed from underneath, the barge with the ship section was towed to a suitable location for submerging and to perform the float-off. The whole operation including mobilisation and demobilisation, the jack-up, load-out and load-over took five days.

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  • Load-out and load-over of an 840t ship section, the Netherlands

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