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David Evans and Associates, Inc., to provide hydrographic surveying services for the National Oceanic and Atmospheric Administration

October 6, 2008
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PORTLAND, Ore. –David Evans and Associates, Inc. (DEA) announced that its Marine Sciences division, based in Vancouver, Wash., has been awarded a five-year, $250 million Indefinite Delivery Indefinite Quantity (IDIQ) contract for hydrographic surveys in U.S. territorial waters by the National Oceanic and Atmospheric Administration (NOAA).  The Marine Sciences division will execute the contract from their base of operations in Vancouver, Wash., and will be supported by DEA’s corporate office in Portland, Ore.; as well as marine satellite offices in Seattle, Wash.; and Richmond, Va.

In addition to their recent contract win, DEA received a task order from NOAA to conduct hydrographic surveys to update nautical charts along the Columbia and Willamette Rivers in Washington and Oregon. The task order is part of an existing IDIQ contract with NOAA that was awarded in 2005. The Marine Sciences team will perform multibeam sonar surveys for full coverage mapping within the designated survey area along the two rivers. The information will be used to update nautical charts and identify dangers to navigation.

“We are thrilled to continue our partnership with NOAA on updating the nation’s nautical charts to improve the safety of navigation for U.S. commerce,” said Jon Dasler, vice president of DEA’s Marine Sciences division. “Contracts like this have allowed for investment in emergent technology, which has provided great benefit to the maritime community and our local clients.”

Currently, DEA is conducting side scan sonar surveys to help with post-hurricane debris mapping off the Louisiana coast in the Gulf of Mexico and is scheduled to continue charting surveys in Chesapeake Bay. 

For more information about DEA, visit

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