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Amphibious Dredging

Avoid unnecessary high costs of installing temporary roads or purchasing large quantities of mats. Brennan is the only contractor in the underwater excavator services industry offering highly-customized amphibious equipment capable of effectively removing contaminated sediment from wetlands and marshlands.

Our safe and efficient method delivers value by eliminating significant site preparation, typically required by traditional excavations. Brennan’s fleet of amphibious excavation equipment includes large dump trucks, several floating excavators, an all-purpose vehicle, and specialized survey transport.

Benefits of Brennan's Amphibious Dredging and Wetland Equipment

Ninigret Marsh Restoration Rhode Island Amphibious Excavation Equipment drone shotMarshlands and wetlands include soft ground that is sensitive to pressure from heavy excavation equipment, dense vegetation also prohibits access by floating equipment. These conditions add tremendous risk to environmental remediation projects because heavy equipment can sink into the soft underlying sediment.

Amphibious excavation equipment greatly increases crew safety yet mitigates risk because it exhibits extremely low ground pressure. Wide tanks keep the equipment on top of bog material, plus it can also float fully loaded when required.

For a complete remediation, Brennan can implement a combination of excavation and dredging approaches. If barrier walls are required, our amphibious equipment is capable of accessing remote locations and assist on the construction of barrier walls. Our large amphibious dump trucks feature removable dump boxes which allows us to use them as drilling and work platforms when needed.

Looking for more resources?
Read our piece: 
No Roads, No Problem - The Advantages of Using Amphibious Equipment

Amphibious Dredging Photo Gallery

Video - Amphibious Dredges In Action


environmental dredging, environmental remediation, remedial dredging, habitat restoration


J.F. Brennan Company specializes in water-based remediation and habitat restoration projects throughout the United States. We have successfully completed some of the most challenging environmental dredging and restoration projects to date.  Download our brochure here to learn more about our amphibious dredging and wetland remediation capabilities and other services that we offer.

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