Search results for: clamshell dredging

26981 results

A list of search results

  • 28 April 2017
    Business & Finance

    The Port of Skagit is about to use a new dredging technique for the upcoming La Conner Marina project. The Washington Department of Ecology recently approved the port’s proposal to use hydraulic dredging and dispose the dredged material at the Rosario Strait, off the shores of Anacortes. Previously, the port was using clamshell dredge and a […]

  • 28 November 2011
    Business & Finance, Equipment, Technology, Vessels

    On November 10, 2011, DSC Dredge, LLC and Supreme Dredge & Processing, LLC together created a new company known as Supreme-DSC Dredge, LLC. The company was formed as a Louisiana-based corporation with major component manufacturing taking place at the Stoneboro, PA manufacturing facility, as well as existing DSC facilities. DSC and Supreme have been discussing […]

  • 9 October 2017
    Business & Finance, Equipment, Technology

    Liebherr-Werk Nenzing GmbH shared today this video of a duty cycle crawler crane type HS 8300 HD working in the Port of Piombino. The duty cycle crawler crane, with hybrid drive system from Liebherr is currently being used to remove sediment and increase the depth of the water at the mouth of the port. The HS 8300 […]

  • 7 December 2009
    Project & Tenders

    The Seattle District requires maintenance clamshell dredging of approximately 400,000 cubic yards of sediment from the Snohomish Downstream Settling Basin and Navigation Channel… More info: USACE

  • 3 September 2020
    Operations & Maintenance

    The U.S. Army Corps of Engineers, Seattle District recently awarded a new contract to J.E. McAmis for the Snohomish/Everett clamshell dredging works. The project calls for maintenance dredging of the Snohomish River Federal Navigation Channel in Everett, WA, via a mechanical clamshell dredge. During the works, the contractor will remove approximately 160,000 cubic yards of […]

  • 9 February 2017
    Business & Finance, Project & Tenders

    The clamshell dredge Peter de Jong is currently completing maintenance dredging in the lower section of Charleston Harbor. The Corps has maintained Charleston Harbor for more than 140 years, dredging it every year in order to ensure the channel is at the required federal project depth. During that time, USACE annually dredged 2-3 million cubic yards of […]

  • 2 May 2019
    Business & Finance, Equipment, Technology

    Rohr-Idreco Dredge Systems completed a job recently that involved an electrical upgrade for a customer from Ohio who currently owns a Rohr-Idreco Overhead Gantry Clamshell Dredge, originally built in 1993. “They reached out to us and asked for our help upgrading the Motor Control Center (MCC) aboard their floating clamshell dredge,” Rohr-Idreco said in its […]

  • 11 August 2014
    Business & Finance, Equipment, Technology

    The Rohr division of Rohr-Idreco Dredge Systems has announced the successful start-up of another new Floating Gantry 8m3 Clamshell deep digging dredge in France. This dredge is being used to replace an old 6m3 Rohr Gantry Clamshell dredge, which Rohr has rebuilt and sold to another customer. The new 8m3 Rohr Gantry dredge was purchased […]

  • 30 August 2012
    Business & Finance, Equipment, Technology

    As Russia continues its infrastructure expansion, it requires more sand and gravel to support roads, bridges and other construction projects. Rohr Dredge has announced the start-up of its second new dredge, a  Clamshell Luffing Jib dredge, in Siberia, Russia which is being used to support Russia’s construction development. In addition, Rohr Dredge simultaneously started-up another […]

  • 23 June 2010
    Business & Finance

    The Portland District Corps of Engineers,  intend to award a contract for Lower Columbia River Clamshell Dredging.   [mappress] Source:, June 23, 2010

  • 28 January 2013

    Manson Construction Co. derrick barge D.B. “NJORD” is a 55 cubic yard clamshell dredge with a walking spud. Here she is doing channel clean-up in the Alameda Channel in the Oakland Inner Harbor. This embedded content is only visible after accepting cookies. Change your preferences The 55-cubic yard clamshell bucket looks really small in the […]

  • 9 April 2015
    Business & Finance

    The U.S. Army Corps of Engineers, Seattle District, has announced a plan for the Snohomish River maintenance dredging scheme. This deepening program, located in Everett, Washington, will consist of routine clamshell dredging and placement activities associated with maintenance of the Snohomish River Federal navigation channel and lower settling basin. The total value of the project is […]

  • 25 July 2019
    Business & Finance

    When a damaged gear box on a large clamshell dredge needed repair, WB Equipment used the SPX FLOW Power Team Motion Controller System (MCS) to provide the necessary accuracy for this heavy, multi-point, synchronized lift. Weighing 1179 tons and with a 60-yard environmental bucket, the clamshell dredge is one of the larger dredging buckets in […]

  • 9 May 2018
    Business & Finance

    The St. Lucie Inlet dredging project, conducted by the Chesapeake, VA, based Norfolk Dredging Company, is currently underway, Martin County said in their announcement.  The project is a partnership between the U.S. Army Corps of Engineers’ Jacksonville District and the Martin County Board of County Commissioners. According to the latest update, the clamshell dredger Virginian is positioned in […]

  • 26 January 2016
    Business & Finance

    The U.S. Army Corps of Engineers, Portland District, has issued an Invitation for Bids (IFB) for the Columbia River Clamshell Maintenance Dredging 2016. Dredging work under this contract will take place at two locations along the Columbia River: Bonneville and Longview. The anticipated scope within the Bonneville contract will include dredging and placement of 750 […]

  • 6 August 2018
    Business & Finance, Project & Tenders

    The U.S. Army Corps of Engineers, San Francisco District, recently awarded a contract to the Dutra Group of San Rafael, California, for the maintenance dredging of Oakland Harbor, located in Alameda County, California. According to the FedBizOpps, the work includes maintenance dredging for the Oakland Inner and Outer Harbor federal navigation channel. The project provides for annual maintenance dredging of the […]

  • 25 October 2017
    Business & Finance, Project & Tenders

    The U.S. Army Corps of Engineers, Portland District, recently awarded J.E. McAmis the Columbia River Side Channels Clamshell Dredging contract for 2018. According to the Corps, the contract worth $349,900 includes dredging of the Wahkiakum Ferry Crossing and Longview Turning Basin. The project locations are along the Lower Columbia River, in Oregon and Washington. Using one of […]

  • 24 January 2013

    The dredging program on the Snohomish River federal navigation channel has resumed this week, reports American Construction Company will remove up to 127,000 cubic yards of material from the mentioned area by clamshell dredging. According to William Dowell, a spokesman for the federal agency, hydraulic dredging also was done in an area between the […]

  • 1 December 2009
    Project & Tenders

    The Portland District Corps of Engineers intends to award a contract for dredging at the U.S. Coast Guard Facility at Tongue Point, Oregon… Source:;

  • 12 February 2017
    Business & Finance, Equipment, Technology, Vessels

    Dredging Today brings you an overview of the most popular stories from the past week (January 6-12, 2017).   Shell to Supply LNG for Van der Kamp’s New Dredger Shell Western LNG B.V. (Shell) and Van der Kamp have signed an agreement for the supply of liquefied natural gas that will power Van der Kamp’s new dredger. […]

  • 17 May 2019
    Business & Finance, Equipment, Technology

    Great Lakes Dredge & Dock Company’s (GLDD) newest clamshell dredger – under the name No. 58 – has officially started dredging operations, the Oak Brook, Illinois, headquartered dredging company said in its latest announcement.  On May 8th, Dredge Captain Phil Sanzone and Dredge Technical Manager Doug Wittwer successfully completed the commissioning of No. 58, in […]

  • 22 January 2019
    Business & Finance, Project & Tenders

    Earlier this month, the U.S. Army Corps of Engineers began dredging the Snohomish River Federal Navigation Channel. The project includes maintenance clamshell dredging of the lower settling basin and the Snohomish River Federal Navigation Channel that will improve commercial vessel navigation in the area. The volume of sediment to be dredged is approximately 200,000 cubic […]

  • 13 March 2013

    The dredging program on the Snohomish River federal navigation channel has resumed recently. About 127,000 cubic yards of material has been removed from the channel by clamshell dredging. This embedded content is only visible after accepting cookies. Change your preferences The Corps’ Seattle District awarded a $1.25 million dredging contract to the Tacoma-based company. According […]

  • 23 September 2016
    Business & Finance, Project & Tenders

    The U.S. Army Corps of Engineers, Nashville District has just awarded a contract to Amherst Madison, Inc. of Charleston (WV) for a clamshell dredging of Cumberland River. The contract, worth approximately $720,000, includes dredging work at Cumberland River Mile 102.7-104.0. During the works, around 250,000 CY of dredge material will be removed from the navigational channel of the Cumberland River. The dredged material […]

  • 19 August 2019
    Business & Finance, Project & Tenders

    The Canaveral Harbor maintenance dredging project wrapped up at the end of July, three months ahead of schedule, reports the Army Corps’ Jacksonville District. During the project, Norfolk Dredging Company deployed two clamshell dredges to remove the sediment from the outer federal channel and the Trident Turning Basin. According to USACE, over the course of […]

  • 16 September 2020

    The USACE Jacksonville District awarded a $6.4 million contract on September 10 to Cashman Dredging & Marine Contracting Co. for maintenance dredging of Tampa Harbor. The project provides for the dredging of several cuts in Tampa Harbor, from the Sunshine Skyway Bridge to the Port of Tampa container terminal. It is expected to remove up […]