dredge News | Environmental XPRT

Dredging short courses

When I first started as an applications engineer for SRS Crisafulli, I searched for information on the subject of dredging. I was surprised to find there was very little non-commercial content available. I have since found a pair of short courses, offered annually by Texas A&M, which I recommend highly to any professional interested in dredging. The Center for Dredging Studies at Texas ...

Nov. 22, 2011

By SRS Crisafulli, Inc.

Dredging and shoreline remediation

Many situations can complicate a shoreline’s integrity. These can range from flooding, hurricanes and man-made disasters and can even include aquatic harvesting and human recreation. Making efforts to protect a shoreline from these intrusions helps protect economic and recreational interests. Shoreline remediation is an investment in the overall economic and natural habitat of a community. ...

Dec. 6, 2011

By SRS Crisafulli, Inc.

REDmeters Launches The Dredging RM2

REDmeters just released the new RM2, a non-nuclear in-line density meter that can be mounted on any dredging vessel. This is new for the dredging world, that has been struggling to justify contractual pricing with performance. As a result, contractual negotiations today, are mostly based on estimated time to complete the project, not on the work itself. Non-Nuclear ...

Mar. 30, 2016

By REDmeters

A Perfect Time to Buy a Dredge

If the initial capital investment has caused you to postpone purchase of a dredge, significant tax incentives exist in 2016, which enable you to buy dredges at sharply reduced costs with little or no initial capital expense – i.e., fantastic tax programs like the Section 179 deduction, as well as low interest rate financing. ...

Feb. 2, 2016

By SRS Crisafulli, Inc.

GE Completes Hudson River Dredging

GE [NYSE: GE] today (Oct 2, 2015) announced it has completed dredging in New York’s Upper Hudson River. Since 2009, GE has removed the majority of PCBs from the Upper Hudson River in one of the largest and most successful environmental cleanup projects ever undertaken in the United States. The U.S. Environmental Protection Agency (EPA) has called the project an historic achievement that ...

Oct. 1, 2015

By General Electric

SediMeters can save corals from dredging

The ongoing dredging of Miami Harbor has caused siltation (the accumulation of sediments) on the coral reefs outside the harbor. In a settlement of a recent lawsuit, the contractor, U.S. Army Corps of Engineers (USACE), has agreed to pay $400,000 for moving corals out of the way. They are not using any instrument for measuring the sediment accumulation, even though such an instrument exists, is ...

Nov. 14, 2014

By Lindorm, Inc.

Dragflow expands it line of high efficiency dredges

The Dragflow network, one of the most extended, thrustable and successful team in the pump and dredging business, has been working hard in the last two years to develop and market the most complete, competitive and efficient line of dredges. In addition to the three traditional dredge's designs, steel cable, telescopic boom and ladder dredge, Dragflow's introduced a new line of remote controlled ...

Jul. 24, 2013

By Dragflow S.r.l.

IMS Introduces GeoPool Dredge Dewatering Technology

IMS is pleased to announce the acquisition of a patent pending state-of-the-art dewatering technology that is inexpensive, reusable, scalable, and does not require polymers. The technology was invented by an IMS Versi-Dredge customer and then successfully trialed in the United States and Europe. IMS recently sold several GeoPools to a customer in the U.S. ...

Oct. 18, 2015

By IMS Dredges - a division of LWT, LLC

Proactive Dredging: a little now or a lot later

If public works departments had a list of fun things to do, dredging sediment out of holding ponds would not be on it. It’s like cleaning the shower in your bathroom. Whether you make it a frequent quick job or an occasional laborious task, time and effort must be set aside to maintain a fixture that is as critical as it is uninteresting. This is the scenario that played out for ...

Oct. 18, 2011

By SRS Crisafulli, Inc.

Great performance and productivity with the new Dragflow Amphibious Dredge

Productivity and stability at the highest level with the new Dragflow Amphibious Dredge. The Dragflow DRM (Multi-Purpose Dredge) series represents a step up on the approach of dredging technique. The extreme mobility in any kind of swamp and the full floatability, allow this dredge to reach most remote locations otherwise impossible to get with any other equipment: the DRM can easily operate also ...

Oct. 21, 2013

By Dragflow S.r.l.

Dredge pumping systems improve with VFD motor controls

Pumps and Systems recently published an article by Christopher Jaszczolt titled “VFDs Improve Motor and Pump Control”. The article discussed current applications of variable frequency driven (VFD) motor controls as an excellent method to improve on mechanical control methods. VFD control systems have gained market share and visibility in the past decade as an excellent motor control ...

Nov. 8, 2011

By SRS Crisafulli, Inc.

Impact of one-off dredging deposits important for licensing

New insights into the impact of dredging on the environment highlight the distinction between small, frequent deposits of sediments arising from maintenance dredging, and larger one-off capital deposits. Understanding this distinction is crucial for effective licensing and monitoring of dredging. When sediment is removed from the bottom of a body of water and deposited elsewhere, as in dredging, ...

Mar. 1, 2010

By Science for Environment Policy - European Commission DG Environment News Alert Service

EPA objects to dredging permit proposals (KS, MO)

EPA has determined that the U.S. Army Corps of Engineers (USACE) Draft Environmental Impact Statement presents insufficient scientific information to support dredging permits allowing sand and gravel removal from the Missouri River. The applicant’s proposal would allow the removal of 11,615,000 tons per year of main channel river bottom material. EPA Region 7 Administrator Karl Brooks said, ...

Sep. 7, 2010

By US EPA - Environmental Protection Agency

World Dredging Congress Exhibition WODCON XXI 2016

Next week the World Dredging Congress Exhibition - WODCON XXI 2016 - takes takes place at the Hyatt Regency Hotel in Miami, Florida, USA from 13-17 June 2016. This global event occurs only once every three years and brings together representatives of manufacturers, universities, research institutes, consultants, public authorities and contractors working in the dredging, navigation, ...

Jun. 9, 2016

By Valeport Ltd

Mud Cat™ Auger Dredge used in `Perfect Project`

Experienced public works directors don't need a crystal ball to see into the future. When the EPA established new water quality regulations in 2005, the public works officials in Cobb County, Georgia, knew that major rehabilitation work at their water treatment plants was on the horizon. The Cobb County-Marietta Water Authority (CCMWA) in suburban Atlanta recently completed the largest dredging ...

Jan. 26, 2012

By Liquid Waste Technology LLC - Mud Cat

Water quality protected during dredging of Somerset Levels

A special monitoring system is helping protect water quality on the Somerset Levels and Moors where a major dredging operation is under way following severe flooding. The system, which was supplied by OTT Hydrometry and installed by Wavelength Environmental, is designed to protect the river ecology by issuing email alerts if water quality deteriorates beyond pre-set conditions. Any such alerts ...

Jun. 29, 2014

By The OTT Hydromet Group

Dredging to start on the Rivers Tone and Parrett as soon as possible

Dredging of the Somerset Levels will begin next month as soon as it is safe and practical to do so, the Environment Agency (EA) announced today. The Environment Agency is formally advertising the works in preparation for work to start. Dredging will take place on eight kilometres of river channel where the Tone and Parrett meet at Burrowbridge. Work will start on a 200 metre long stretch of the ...

Feb. 19, 2014

By The Environment Agency - England and Wales

Sixth Season of Hudson River Dredging Begins; Historic Dredging Project Draws to a Close; Next Up: Cleaning Up Floodplains

Today, U.S. Environmental Protection Agency Regional Administrator Judith A. Enck announced the start of the sixth, and final, season of dredging of PCB-contaminated sediments from the bottom of the Hudson River. The historic dredging project – one of the largest and most complex cleanups in Superfund history – began in 2009. The EPA is overseeing the dredging project that is being ...

May 6, 2015

By US EPA - Environmental Protection Agency

Dredging a Pointless Activity – Plastic Rainwater Tanks a Winning Solution

Dredging is a pointless activity according to a coalition of environmental groups who are requesting that the Government scales down its preferred method of flood prevention. The Blueprint for Water Coalition is urging the Government to spend resources traditionally channelled into dredging on more effective, alternative flood-control methods. According to Mark Lloyd of the Angling Trust, a ...

Oct. 23, 2014

By ENDURAMAXX

Plug and Play Dredging: how to Move Sediment to the Drying Bed

Got a minute? Watch a one minute video of the plug and play SD-110 Rotomite dredge in the Philippines. "Plug and Play" is a catchphrase of USB computer gadgets, representing equipment that can be connected to a system and used immediately. No system configurations; ...

Jun. 7, 2015

By SRS Crisafulli, Inc.

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