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    Anchorage Basin dredging helps maintain safe passage for Port of Wilmington commercial vessels

    WILMINGTON, NORTH CAROLINA, UNITED STATES

    12.20.2018

    Story by Hank Heusinkveld 

    U.S. Army Corps of Engineers, Wilmington District

    According to N.C. Ports, the Port of Wilmington, plus inland terminals in Charlotte and Greensboro, link the state’s consumers, businesses and industry to world markets to attract new business and industry while receiving no direct taxpayer subsidy. Port activities contribute statewide to 76,000 jobs and $700 million each year in state and local tax revenues.
    In order to keep commercial shipping vessels navigating safely and efficiently to and from the Port of Wilmington, the Wilmington District conducts daily surveys of the federal channel and periodically dredges it to remove debris. The Cape Fear River carries tons of sediment that gradually settles along the way of its 202-mile path to the Atlantic Ocean. When its flows reach Wilmington, some of that material ends up in the federal channel that stretches from just north of the Isabelle Holmes Bridge to the Atlantic Ocean.
    “The U.S. Army Corps of Engineers annually dredges the Anchorage Basin to ensure safe passage for cargo along the federal navigation channel,” said Project Manager Timothy Jones. “The stretch of Anchorage Basin is about six and three-quarters of a mile long and it will take another month to complete the dredging.”
    Jones said the work includes maintenance dredging of the upper Wilmington Harbor federal navigation channel reaches including the Anchorage Basin, Between Channel, and the North Carolina State Ports Authority (NCSPA) berth areas and Turning Basin Extension. Shoaled material is removed and disposed of at the District’s Eagle Island Confined Disposal Facility (CDF) cell three upland diked disposal area.
    “The work requires a hydraulic cutter suction dredge such as the Cherokee,” Jones said. The dredging depths are 42 feet plus two feet of allowable over depth for the Anchorage Basin and for Between Channel. Dredging depths are 39 feet plus one foot of allowable over depth for the NCSPA berth areas one and two and 43 feet plus one foot of allowable over depth for the NCSPA berth areas and Turning Basin Extension. The estimated quantity of material to be dredged is 1.4 million cubic yards.”
    Jones said the environmental window for dredging the NCSPA berth areas is Oct. 1, 2018 through Jan. 31, 2019, and the environmental window for dredging the Wilmington Harbor federal navigation channel reaches is Aug. 1, 2018 through Jan. 31, 2019.

    NEWS INFO

    Date Taken: 12.20.2018
    Date Posted: 12.20.2018 16:01
    Story ID: 304600
    Location: WILMINGTON, NORTH CAROLINA, US

    Web Views: 64
    Downloads: 0

    PUBLIC DOMAIN