Largest Self-Propelled Hopper Dredger in US History Delivered

The American maritime industry has reached a historic milestone with the delivery of the FREDERICK PAUP, the largest self-propelled hopper dredger ever built in the United States. Seatrium has completed construction of this massive vessel at its Brownsville, Texas yard for Manson Construction Co., setting a new standard for dredging capability in American waters. But what makes this vessel so revolutionary, and how will it reshape the future of coastal restoration and navigation projects across the nation?

A New American Marvel

The FREDERICK PAUP measures an impressive 420 feet in length with an 81-foot beam, featuring a hopper capacity exceeding 15,000 cubic yards of dredged material. This Jones Act-compliant vessel represents the culmination of years of planning and engineering expertise, designed specifically to meet the demanding requirements of the U.S. dredging market. The sheer scale of this vessel places it in a league of its own, surpassing every other self-propelled hopper dredger in American history and positioning Manson Construction as a dominant force in the industry.

Power and Precision Combined

Beneath the massive hull lies an equally impressive powerplant delivering 25,000 horsepower through a sophisticated diesel-electric propulsion system. The vessel utilizes three Wabtec 16V250MDC engines supplemented by two Wabtec 12V250MDC units, providing unmatched thrust capability for a dredge of this class. Triple azimuthing stern drives and twin bow thrusters give the Frederick Paup extraordinary maneuverability, allowing operations within the tightest channels and most challenging harbor environments without sacrificing operational efficiency.

Sustainability Meets Performance

The FREDERICK PAUP stands at the forefront of environmentally responsible dredging technology, equipped with Tier 4 Wabtec diesel-electric engines that dramatically reduce emissions while delivering superior fuel efficiency. The vessel features an advanced hull form specifically designed to minimize resistance through the water, translating to lower fuel consumption and reduced environmental impact per unit of material dredged. This commitment to sustainability doesn’t come at the expense of performance—in fact, the smart design features enhance every aspect of the dredging operation.

Smart Technology for Complex Operations

Advanced technological systems transform the Frederick Paup into a floating platform of precision engineering. Dynamic positioning capabilities allow the vessel to maintain exact location or follow designated courses while performing dredging operations, eliminating the need for constant anchor adjustments. The integrated power management system optimizes engine loads for maximum efficiency, while the sealed underwater motors reduce suction distance between the drag head and pump, dramatically improving dredging efficiency. These features work together to minimize operational delays and maintain peak performance even in the event of mechanical challenges.

Supporting National Coastal Goals

The delivery of the Frederick Paup arrives at a critical moment for American coastal infrastructure, directly supporting the U.S. Army Corps of Engineers’ ambitious goal of achieving 70% beneficial reuse of dredged material by 2030. With two powerful in-hull pumps, the vessel will enhance Manson’s competitive position on beach nourishment and coastal restoration projects up and down the American coastline. The combination of capacity, efficiency, and environmental responsibility makes this vessel an essential tool for protecting and preserving America’s vulnerable coastlines for generations to come.