Technology
Technology
USACE VIDEO: Cleaning up Otter Creek
Otter Creek and its confluence in Maumee Bay are contaminated with polycyclic aromatic hydrocarbons and diesel range organics. USACE is working with the U.S. Environmental Protection Agency to clean it up. “We’re removing 57,000 cubic yards of contaminated sediment in Otter Creek in Toledo/Oregon, O
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Improving Great Barrier Reef water quality
The Morrison Government has detailed $30 million in on the ground projects to prevent more than 36,699 tonnes of fine sediment runoff and 175 tonnes of dissolved inorganic nitrogen from entering Australia’s World Heritage listed Great Barrier Reef each year. Minister for the Environment, Sussan Ley,
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Bucket ladder dredger for CEMEX Rogätz plant
A high-performance, large-scale machine went into operation last month at the Rogätz gravel works in Saxony-Anhalt: a floating bucket ladder dredger 46 meters long and 10 meters wide, with a capacity of 400 tons per hour. In a wet open-cast mine, CEMEX Kies Rogätz GmbH, a subsidiary of CEMEX Deutsch
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DNR hosts meeting on Milwaukee Estuary AOC
The Wisconsin Department of Natural Resources (DNR) will host a public meeting to discuss the disposal of dredged material from the Milwaukee Estuary Area of Concern. “The public meeting will occur at 1 p.m. on Thursday, May 20, 2021, in Room 104 at the Port Milwaukee offices located at 2323 S. Li
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Titan VIDEO on Blount Island dredging
Titan Consultants & Engineers, a construction management company specializing in federal government construction, last week released a video named Southwind Construction Dredging Blount Island – Levee Break. A project showed in the video included maintenance dredging of the Atlantic Intracoastal Wat
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Copenhagen hosts WODCON XXIII
The twenty third World Dredging Congress and Exhibition, WODCON XXIII, will be held in Copenhagen, Denmark, from 16th to 20th May 2022. The Central Dredging Association (CEDA) will be hosting the global summit, on behalf of the World Organization of Dredging Associations (WODA). In response to the U
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TSHD Hegemann V gets SCHOTTEL RudderPropellers
The new trailing suction hopper dredger (TSHD) Hegemann V will be equipped with SCHOTTEL RudderPropellers. “Due to its relatively short length of about 75.9 metres in combination with the SCHOTTEL RudderPropellers, the vessel will be optimally manoeuvrable even in narrow rivers,” said the Spay/Rhine
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Hamilton: LiDAR drone mapping in preparation for dredging
The City of Hamilton conducted aerial LiDAR drone mapping work at Chedoke Creek, Princess Point and the eastern shoreline of Cootes Paradise last week in preparation for remediation activities in the area later this year. Also, crews are completing sediment testing in the area – in preparation for t
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GLDD charged with causing oil spill in 2016
Great Lakes Dredge and Dock Company (GLDD) has been charged with violating the Clean Water Act in connection with an oil spill in 2016. According to the Bill of Information, GLDD negligently discharged and caused to be discharged a harmful quantity of oil into a navigable water of the United States,
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USACE opts for EdgeTech Marine systems
EdgeTech Marine has announced that their 6205s Bathymetry & Side Scan Sonar systems were successfully installed on the U.S. Army Corps of Engineers Galveston District’s brand new survey vessels. “A total of four 6205s systems were delivered and installed via our reseller ECHO81 LLC as part of this c
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DrillCutter underwater testing VIDEO
Dredge Yard today released a video of its new DrillCutter testing that ensures less spillage, less turbidity, and environment-friendly cutting while increasing the productivity of the dredger. The DrillCutter prototype was tested on a CSD500 dredger in the coastal waters of the Arabian Gulf. Compact
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Spotlight on Lake O sediment study
The USACE Jacksonville District will execute a temporary, minor deviation to the Lake Okeechobee Regulation Schedule April 20 and 21 as part of the ongoing study by the South Florida Water Management District (SFWMD) and U.S. Geological Survey (USGS) to find ways to indirectly measure sediment and n
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Rohde Nielsen introduces new TSHDs Ask R and Embla R
Rohde Nielsen A/S is introducing new dredgers Ask R and Embla R into the dredging market. According to the Copenhagen based company, these are probably the most innovative and environmentally friendly split trailing suction hopper dredgers (TSHDs) ever built. The 2700 m3 hybrid dredgers are diesel e
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DrillCutter – new dredge cutter system from Dredge Yard
With the aim to reduce spillage and turbidity in cutter suction dredging, Dredge Yard developed and tested a new Dredge Cutter System called DrillCutter. The prototype of a full-scale model is launched in Mid-January 2021 and ongoing testing to demonstrate the full potential of the new cutter. The n