We measure sea level to determine tidal datums that control dredge elevations, collect and test sediment samples prior to dredging, conduct hydrographic surveys to determine volume and value of dredging, obtain permits, and monitor regulatory compliance. We have experience designing dredge channels and disposing of dredged sediments at permitted dumpsites. We also provide water-quality monitoring and biological surveys in federal ship channels to measure and mitigate dredge impacts.
Federal Navigation Surveys
We support federal navigation projects with studies, surveys, and inspections for planning, constructing, and maintaining federal ship channels, ports, anchorages, dams, jetties, breakwaters, locks, and aids to navigation. Our navigation project clients include the U.S. Army Corps of Engineers, U.S. Coast Guard, U.S. Geological Survey, National Oceanic and Atmospheric Administration, National Geodetic Survey, and their contractors.
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