News and information about the worldwide dredging industry

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New York Emergency Repair

The 17-foot-long gash in the side of the dredge New York shows where the Randive crew performed an emergency repair in preparation for moving the dredge to drydock at the Brooklyn Navy Yard. The repair was done underwater by divers. The dredge was rammed by a tanker while working in Newark Bay on January 24th.

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Kent Sand & Gravel Dredge

The lever room of the Kent Sand & Gravel dredge in Massey, Maryland. This is one of the dredges Kruse Controls automated recently. The system includes ability to monitor all functions, and automatic control of such functions as ladder swing speed to maintain an optimum pump suction pressure; ability to automatically detect a wall and raise the ladder if the swing pressure is high, the cutter pressure is low and the density is low; restore the ladder once the process conditions return to normal; control slurry concentration by monitoring density and varying the opening of the suction side relief valve; detect a line plug by monitoring discharge velocity and clear the plug by automatically raising the ladder; automatically lower the ladder once the discharge velocity is restored, as well as a host of other functions.

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Winch Application

E.R. Jahna's aggregate dredge working in Florida is equipped with Pullmaster ladder winches that will be on display at the CONEXPO-ConAgg show in Las Vegas, March 11 - 15. Other dredging displays include dredge manufacturers, pump manufacturers, drives, positioning, the Western Dredging Association and other associations with dredging focus.

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Craig Vogt

Craig Vogt has retired from the EPA, after a 30-year career, most of it spent working with the dredging industry. While he was head of the Western Dredging Association Environmental Commission, the group aided in formulating the WODA (World Organization of Dredging Associations) Environmental Policy, contributed to the WODA Hamburg Declaration, sponsored the Environmental Commission panel at each WEDA conference, based on the theme of the year; served as a forum to express views and to promote understanding of dredging; assisted in the Panamanian and Brazil meetings, and co-sponsored the Environment Days at World Dredging Conferences in Las Vegas, Kawala Lampur, and Hamburg.