OFFLOADING HYUNDAI CRANES IN CHARLESTON

Project Summary

In August 2000, the DOCK EXPRESS 10 delivered two 4-th generation container cranes to the Wondo Container Terminal in Charleston, South Carolina. To clear the Cooper River bridge, the vessel hold was flooded to achieve maximum draft (minimum air draft).

Argonautics Marine Engineering, Inc. was hired to supervise the so-called "Miami" method offloading. After removal of the tie downs, the 1,100 t cranes were skidded aft over the ship's outriggers until the crane's landside sill beam could be lowered onto a set of jack boogies, which moved the crane further over the quay. Once in position, the waterside sill beam was temporarily supported by wood blocks, enabling the ship to move forward. The waterside was then picked up again and the waterside trucks could be rotated and lowered onto the rails. The landside was then jacked up for installation of the landside trucks after which these were also lowered onto the rails. After 3 days preparations, both cranes were offloaded in 3 consecutive days, within the favorable tide windows.

Scope of Work

The project scope included:

Argonautics Marine Engineering, Inc. also coordinated the loading of these cranes in Ulsan.

Project Photographs

specialists in marine heavy-lift transportation engineering

naval architects

marine surveyors

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Est. 1992

■	Coordination of activities during offloading;
■	Liaison with ship crew, client and its subcontractor;
■	Setting-up of rail track and jacking boogies as per the Dockwise Offloading Procedure;
■	Provision of on-site supervision during offloading operation.

Dock Express 10 arrives with 2 Hyundai container cranes

DOCK EXPRESS 10 arrives in Charleston with the partly erect container cranes

Crane boom clears bridge

First crane offloaded

Jacking landside sillbeam

Second crane offloaded