Brief History of TSHD “Markham”

Next to the staircase on the second floor of Building 1 in the U.S. Army Corps of Engineers, Buffalo District, is a 1-inch = 1-foot scale model of the trailing suction ocean-going hopper dredge (TSHD) “Markham”. Many Buffalo District employees pass by this model every day, perhaps not even giving it a thought.

Today, sadly, the Markham sits 18 miles out of Masonboro Inlet, North Carolina, in 85 ft of water. It was sunk by the North Carolina Division of Marine Fisheries in 1994. Two days before the sinking, it was realized the Markham was too large to be sunk upright as originally planned.

It was decided that she would have to be sunk on her side to allow enough clearance for ship traffic.

Now she rests on her port side, slowly sinking into the bedrock.

The vessel’s technical leaflet:

Built in: 1960

Shipyard: Avondale Shipyards Inc. (ASI)

Length (OA): 103.51 m

Width: 18.9 m

Draft (loaded): 5.801 m

Number of engines: 2

Engine specs: Cooper-Bessemer 6341 kW

Speed: 12.5 knots

Hopper volume: 2070 m³

Dredging depth: 13.3 m

Number of dredging pipes: 2.

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One thought on “Brief History of TSHD “Markham””

  1. Thanks for this blurb! I’ve dove the Markham hundreds of times. She has a great home in Wilmington, and serves as habitat to some of the coolest creatures in the ocean.

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee: snitko@portnews.ru

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