MSC Heavylift Dryvoy – US Navy Portal Crane Engineered Sealift

Marine Transportation

MSC Heavylift Dryvoy – US Navy Portal Crane Engineered Sealift

Project Facts

Brief:

Curtin Maritime was awarded the project to design and engineer the heavy-lift transfer of an 1100-ton US Navy Portal Crane from land to aboard the Lost Pt. – our 400’ x 100’ barge; then transport the crane from Puget Sound Naval Shipyard in Bremerton, WA. to Portsmouth Naval Shipyard in Kittery, ME.

Curtin partnered with subcontractor Nordholm Companies, Inc to engineer and execute the load and discharge of the crane while navigating through heavily regulated project sites and conditions within the two Nuclear US Navy Shipyards.

Once the crane was loaded and lashed, Curtin’s tug Alice C towed the barge Lost Pt. from the Puget Sound to Panama, transited the Panama Canal, then through the Caribbean and up the US East Coast to Kittery, Maine. The over 6,000 nautical mile voyage had very sensitive weather parameters to ensure the safety of the crane, which the tug crew and Curtin’s shoreside staff studied daily to ensure all arrived safely.

Shortly after arriving in Maine and preparing for discharge, the region faced a major snow storm, high winds, and freezing temperatures for several days. The Curtin/Nordholm team worked around the clock in the snow and cold to build out the discharge gear and ballasting equipment, and ultimately had a safe and successful discharge of the crane.

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