Project Summary

In July 1997, the DOCK EXPRESS 10 delivered the last two of a series of six 4-th generation container cranes to the new Hanjin terminal in Long Beach, CA. The cranes were built by Mitsui Engineering & Shipbuilding Co., Ltd. in Japan and Dockwise Shipping BV was contracted for the delivery. Because of the Gerald Desmond bridge passage with its 155 ft height restriction, these cranes were transported only partly erect, with their fully assembled top sections temporarily secured low between the legs.

Argonautics Marine Engineering, Inc. was hired to supervise the so-called "Miami" method offloading. After removal of the boom supports and 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 trucks could be rotated and the waterside trucks were 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.

Scope of Work

The project scope included:


Project Photographs

specialists in marine heavy-lift transportation engineering
naval architects
marine surveyors

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Est. 1992

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Coordination of activities during offloading;
Liaison with ship crew, client and its subcontractor, Rigging International;
Setting-up of rail track and jacking boogies as per the Dockwise Offloading Procedure;
Provision of on-site supervision during offloading operation.
Dock Express 12 arrives with 3 Hyundai container cranes
DOCK EXPRESS 10 arrives in Long Beach with the partly erect container cranes
Getting ready for offloading second crane
Getting ready for offloading second crane
Landing the land side on the hydraulic boogies
Landing the land side on the hydraulic boogies
Rotating of the sea side boogies
Rotating of the sea side boogies
Second crane landed on rails
Second crane landed on rails