PHOTOS: Second Shipment of Panama Canal’s Giant New Gates Arrives in Colón

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The second shipment of four rolling gates for the new locks of the expanded Panama Canal arrived in Colón, Panama today aboard the semi-submersible heavy-lift vessel STX Sun Rise following a month long journey from Trieste, Italy.

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The new gates come in two sizes, the larger being 57.6m long, 10m thick and 30.19m high and fabricated for the middle chamber of the new Pacific locks; and the smaller being 57.6m long, 8m thick and 22.3m tall, which will be located in the Atlantic site’s upper chamber.

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The new locks will have a total of 16 rolling gates (eight for each new lock complex), unlike the current canal which uses miter gates. The remaining 8 gates will be shipped four at a time from Italy and are expected by the end of 2014.

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The expansion of the Panama Canal involves the construction of a third set of gates that will allow for the passage of Post-Panamax vessels, which will double the Canal’s capacity.

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Bonus Time-Lapse: Lock Gate Assembly in San Giorgio di Nogaro, Italy

Gate fabrication started in 2011 and is being conducted by Italian subcontractor Cimolai SpA.