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  • Commerce flows normally after Army engineers repair John Day Lock

    Commerce is now moving normally along the Columbia River and through John Day Lock after Army engineers completed repairs to damaged guide wheels by 12:30 p.m., August 5. Technicians originally discovered damage to a lower guide wheel on July 25, which initially closed the lock, and then slowed traffic at that point in the river.

  • First Generation Automated Assessment of Airfield Damage from LiDAR Point Clouds

    Abstract: This research developed an automated software technique for identifying type, size, and location of man-made airfield damage including craters, spalls, and camouflets from a digitized three-dimensional point cloud of the airfield surface. Point clouds were initially generated from Light Detection and Ranging (LiDAR) sensors mounted on elevated lifts to simulate aerial data collection and, later, an actual unmanned aerial system. LiDAR data provided a high-resolution, globally positioned, and dimensionally scaled point cloud exported in a LAS file format that was automatically retrieved and processed using volumetric detection algorithms developed in the MATLAB software environment. Developed MATLAB algorithms used a three-stage filling technique to identify the boundaries of craters first, then spalls, then camouflets, and scaled their sizes based on the greatest pointwise extents. All pavement damages and their locations were saved as shapefiles and uploaded into the GeoExPT processing environment for visualization and quality control. This technique requires no user input between data collection and GeoExPT visualization, allowing for a completely automated software analysis with all filters and data processing hidden from the user.

  • Memphis District Hurley: Thawed out and ready to dredge

    During most off seasons, maintaining the Hurley takes a few months and a couple of crews to get everything done. This off-season was a bit different, as unexpected weather posed more obstacles than usual. Much of the south, including Memphis, Tennessee, was hit hard with frigid temperatures in mid-February this year. The last time Memphians experienced weather like this was in 1994.  From frozen pipes to no electricity, many people and structures were impacted by the icy weather, including the district’s Dredge Hurley.

  • Walla Walla District cost engineers provide expertise and support to FEMA and other federal agencies

    Natural disasters like floods and hurricanes can severely damage homes, businesses and infrastructure. Those who suffer damages in natural disasters can apply to FEMA for financial assistance. When this happens, a cost estimate is needed to determine how much money it would take to either repair or replace the structure in question.

  • Progress continues on damaged Lower Missouri River Navigation Channel

    The Kansas City District is currently performing multiple tasks to address priority areas of concern and the damages to river structures that have accumulated during the nearly three years of high water. The district is using all available resources to include a combination of contractors, including one for emergency dredging, and our in-house floating plant to repair flood damaged structures and improve channel conditions.

  • NR 19-017: Recreation facilities receive damage assessments as waters recede

    NASHVILLE, Tenn. (March 14, 2019) – The U.S. Army Corps of Engineers Nashville District is assessing damage to recreation facilities at its 10 lakes in the Cumberland River Basin as high waters begin to recede.

  • ‘Temporary Power’ team doing their part to return Florida to normalcy

    The U.S. Army Corps of Engineers’ Jacksonville District is nearing completion on its Hurricane Irma temporary power mission. Just 11 days following Irma’s impact, the team assigned to provide emergency power to the state’s critical public facilities has met the challenge.

  • Officials to delay opening Dismal Swamp Canal until end of October

    Officials at the Norfolk District, U.S. Army Corps of Engineers have delayed reopening the Dismal Swamp Canal until late October. “Recent weather events have delayed progress, and the latest condition survey of Turners Cut showed that additional dredging was needed,” said Keith Lockwood, Norfolk District Operations Branch chief.

  • Dismal Swamp Canal scheduled to reopen in September

    The Dismal Swamp Canal is scheduled to reopen to vessel traffic by the end of September, with the Lake Drummond Reservation and Feeder Ditch opening to canoes and kayaks on August 18, officials said.

  • Corps announces timeline to reopen Dismal Swamp Canal

    Officials at the Norfolk District, U.S. Army Corps of Engineers have announced a goal of opening the Dismal Swamp Canal to its full 6-foot depth later this summer.