Extreme Crane Upgrades



Derrick Lind, Structural Engineer & Jonathan Hsieh, Structural Engineer and Vice President, Liftech Consultants Inc., Oakland, CA, US


The Panama Canal is being expanded. Jumbo vessels, 23 rows wide, are being constructed. This means larger ship to shore cranes will be needed at many terminals.

When a crane owner considers his options, he may be concerned that upgrading will not be feasible. However, extreme upgrades are often feasible. This article presents a recent crane upgrade study that included major modifications.


A terminal operator is considering expanding his existing terminal to service larger vessels. The existing cranes are in good condition and can be productive for at least another 25 years, provided they are upgraded to service Jumbo-23 vessels. For operational reasons, the rail gage will be increased from 30 meters to 35 metese…

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