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Isla Grande Terminal Improvements, Phase I: New LO/LO Pier and Berth Dredging

San Juan, PR


    • Pile driving steel pipe piles up to 36-in. in diameter
    • Driving 441 steel piles to support the new approach platform, pier and trestle
    • Installation of a 427 ft. combination wall bulkhead consisting of 42 single H-piles, 20 double H-piles, and 60 sheet pile pairs
    • Using a clamshell dredge, removed approximately 382,000 cubic yards of material



This project provided improvements to the Crowley Liner Services Isla Grande Terminal in order to support cargo loading operations. Manson’s performed all the in-water work including the installation of a combination wall bulkhead, pile driving and berth dredging.

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