News and information for the worldwide dredging industry

May-June 2000

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Luedtke Doing Saginaw River Cleanup

Luedtke Doing Saginaw River Cleanup

Luedtke Engineering Company is using a state-of-the-art bucket positioning system in a project to remove PCB-contaminated sedimentation from the Saginaw River and Saginaw Bay, Michigan.

MARIN Predicts Dredge Downtime

The maritime research institute MARIN in Wageningen, the Netherlands, has developed a numerical model and computer program, now in prototype stage, for use by dredging contractors to predict downtime due to weather when dredging in the open sea. The weather is simulated by a wind-wave model. The model combines wind and wave patterns with wave proliferation parameters such as bottom features, currents and blockages, to produce an accurate prediction of wave action. Using information on the forces that working cutterhead dredges and trailing suction hopper dredges can withstand, the program predicts the amount of time a dredge will be unable to work because of heavy weather.

Book Review: River Horse

This book by William Least Heat-Moon tells of the author's boat journey by river from the Atlantic to the Pacific Coast of the United States in a 22-foot dory. It evokes many dredging images, because it is about the navigable rivers, whose channels are maintained by dredging. It is an important book for anyone interested in rivers. This review gives a dredging overlay to some of Heat-Moon's experiences.

IHC Launches Dredge

IHC Holland launched the automated cutterhead dredge "Al Mirfa" at their Sliedrecht yard for customer National Marine Dredging Company of Abu Dhabi, United Arab Emirates, on June 8, 2000.

Dredging Contract News June 5, 2000.

Panama Canal Board Considers New Lock

The Board of Directors of the Panama Canal met to discuss the need for a third lock in the Canal.

Panama Canal Widening at 75 Percent

Gaillard or Culebra Cut, a narrow eight-mile-long stretch, was widened from its original 300 feet to 500 feet during the 1960s. The ongoing widening program will increase the navigable channel to a minimum of 630 feet in straight sections and 730 feet on curves, reducing the time vessels must spend maneuvering in this area of the Canal.

Schneider is New SeaBeam Marketing Dir

L-3 Communications SeaBeam Instruments has appointed Stan Schneider director of marketing. He will be responsible for all SeaBeam marketing activities, including both the domestic and international sale of multibeam survey systems.

Ben Cottrell Is New DCA President

Ben Cottrell V, President, Cottrell Contracting, Chesapeake, Virginia, was elected president of the Dredging Contractors of America (DCA) on May 5, 2000 at their annual meeting in Longboat Key, Florida. Over the last two years, Cottrell served as president-elect and senior vice president of the association. I look forward to working with my colleagues over the next two years to meet the many challenges facing the dredging industry. With so many environmental and budgetary factors affecting the flow of the work, DCA must improve our good working partnership with the Corps of Engineers districts. We must do a better job scheduling, a proven way to help both the government and the private sector, said. Cottrell.

Hart Crowser Designs Hylebos Cleanup

Hart Crowser, Inc., environmental consulting and remediation design firm, will work with Occidental Chemical Corporation and the Port of Tacoma, Washington on the Phase I cleanup of the outer Hylebos Waterway at the Port.

GOTECH Tests Deep Water Multibeam

Global Ocean Technologies Limited (GOTECH) has performed a trial run of Kongsberg Simrads latest deep-water multibeam echo sounder, the EM 120, and achieved highly accurate survey results. The trials were held in the Atlantic Ocean west of Ireland.

Boskalis and HBG Agree to Merge

After negotiations that began in March of this year, the largest dredging company and largest construction company in Europe have agreed to a merger that will give each company a 50 percent share in the new organization. Operations will be jointly run by Boskalis chairman Rob van Gelder and HBG chairman Jan Veraart.

Dredging Contract News May 15, 2000, Part 2 of 2

Dredging contracts in the Lower Mississippi Valley and Pacific Coast, one contract in Alexandria, Egypt, and miscellaneous contracts for the entire United States. These include hydrographic surveys, management of dredged material placement sites, and maintenance and equipment for government dredges.

Dredging Contract News May 15, 2000, Part 1 of 2

Contract news for the Northeast, Southeast and North Central United States.

Shuster Introduces WRDA 2000 Bill

Representative Bud Shuster (R-Pa) has introduced, by request, the Clinton administration's Water Resources Development Act of 2000 (WRDA 2000, H.R. 4411). The measure will provide for the conservation and development of water and related resources, to authorize the Secretary of Army to construct various projects for improvements to rivers and harbors. The measure will be considered by Shuster's Committee on Transportation and Infrastructure.

Boskalis Expects 15 Percent Rise

R. van Gelder, board chairman of Royal Boskalis Westminster nv, told the May 9 shareholders meeting that he foresees a 15 percent increase in net income for the year. This is up from the 10 percent he had predicted in March. This article discusses the acquisition activities of the company and reasoning behind the profit prediction.

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