Ellicott Dredge Technologies’ Equipment for IDNR

Image source: Ellicott Dredges

Two governments have decided to take matters into their own hands by purchasing dredges and using government staff to get the work completed.

Both the City of Whiting, Indiana, and the Illinois Department of Natural Resources (IDNR) purchased Ellicott Dredge Technologies (EDT) 2019 IMS Model 5012 LP Versi-Dredge systems to complete dredging projects at their boat ramps, marinas, channels and harbors.

The dredge is more than 42 feet long and 11 feet wide, so it is small enough to easily store and use. It floats on two pontoons, has a draft of 30 inches and can dredge to 22 feet, or 28 feet with optional extensions.

The smaller size appeals to projects that are only looking to clear out specific harbors, channels or boat basins on an as needed basis.

“The IMS starwheel drive self-propulsion system allows the dredge to operate without cables that can restrict boat traffic. Its high maneuverability won’t damage docks or other features, like underwater anchors. You can pull into a dock and dredge to a 22-foot depth without having to move the dock,” Ryan Horton, Vice President of Auger Dredge Sales at Ellicott Dredge Technologies said.

Maintenance Backlog

IDNR purchased the dredge to revive its dredging program. It took delivery of the dredge in March, and will begin dredging after its training with EDT.

Dale Brockamp, division manager for IDNR Architecture and Engineering, said that the state has been a bit negligent over the past ten years in letting the dredging program fall behind.

Image source: Ellicott Dredges

The agency traded in its two old dredges for the new EDT model, which Brockamp said was particularly appealing because they could purchase a custom-made trailer with it so the dredge could easily be launched from a boat ramp. The trailering-launching-recovery (T-L-R) system was designed for easy launch and retrieval.

“The trailer allows for easy movement from jobsite to jobsite without using a crane saving operational expenses. There’s no need to hire out a crane. It’s a very unique system designed with a winch system and keel guides on the deck of the trailer and hydraulic rollers to easily move the dredge off trailer to ramp,” Horton said.

Illinois owns and oversees close to 150 sites statewide, such as harbors, boat launches and several marinas. The frequent mid-west flooding brings sediment and siltation deposits into these areas so the state needs to come in to keep navigation safe and open.

“We do dredge the marinas since we are the owners and we lease out the operations. Our first dredging project will be at the Golconda Marina on the Ohio River. It has 150 slips so it’s one of our larger operations. EDT will be sending down people to the marina to train our crews on the dredge operations,” Brockamp said.

Prior to that training, Illinois will also be sending two people from its heavy equipment crew to EDT headquarters for training.

“We send out factory service techs to go on site for three days and do classroom training and then go out and train on the dredge. They go over safety, operations, maintenance and dredging techniques. When they come to the factory, guys are trained on our dredge simulator, where they learn to operate the dredge without the risk of doing any damage. We have the only dredge simulator for a horizontal auger cutter dredge in the world,” Horton said.

The state typically dredges in the winter months when the ground is too frozen for other earthwork projects; however, the new IMS dredge is scheduled to arrive in May and with the backlog, dredging will start immediately,” said the company in its release.

The dredged material will be placed in containment basins on shore, which trap the sediment and allow the debris-free water to drain back into the waterways. The process is permitted through the U.S. Army Corps of Engineers, Illinois Environmental Protection Agency and IDNR.

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