Project Summary

Late November 2023, a total of 8 used rubber tire gantry (RTG) cranes were loaded onto the barge FOSS 3612 at the APM Terminal
in San Pedro, CA. The RTGs were rolled on over the barge side using steel Ro/Ro ramps. Once on deck, the RTGs were rolled into
their final position, to be seafastened. Seafastening consisted of roll bars on the outside and lashing wires on the inside. The head
blocks with spreaders were lowered down to the deck and secured. Once all seafastening was completed, the tow departed with
destination Panama Canal, where it waited in the long qeue due to the drought limitations at the Canal. After some delays, the
Panama Canal was successfully passed and the tow continued on to the final destination: Elizabeth, NJ. 

Upon arrival at the Elizabeth APM Terminal, all seafastenings and lashings were removed, the spreaders hoisted back up, and the
RTGs were rolled off over the barge side, using the same Ro/Ro ramps, in coordination with the local tide.  

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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Check feasibility of various offered barges and provide stow plan for selected barge;
Provide design environmental criteria for tow route and season, and calculate associated design barge motions;
Design all seafastening based on the design barge motions and accelerations, including shop drawings and BOM;
Check ballast requirements for loading, towing, and offloading;
Survey the securing of the trolleys before loading;
Provide on-site assistance to the team of Convoy Logistics Providers, Ltd. during loading and offloading;
Coordinate loading and offloading given the local tides;
Check final seafastenings and wire lashings.
MOSES barge model with 8 RTGs
MOSES barge model with 8 RTGs
RTG rolled on across Ro/Ro ramps
RTG rolled on across Ro/Ro ramps
FOSS 3612 with RTGs secured to deck
FOSS 3612 with RTGs secured to deck
RTG spreaders secured to deck
RTG spreaders secured to deck
The barge FOSS 3612 loaded with 8 RTGs ready for departure