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  • Army Engineers build on DoD stakeholder relationships in Europe

    The U.S. Army Corps of Engineers, Europe District, works with many different organizations to deliver design and construction projects across Europe and Africa, building a foundation for U.S. national security interests and supporting overseas warfighters.

  • USACE expands hazardous tree marking system, clarifies waiver process

    In response to community feedback and a comprehensive review of hazardous tree removal procedures, the U.S. Army Corps of Engineers has implemented updates to its tree marking system and clarified details regarding the newly available hazardous tree removal waiver.

  • Effect of Fighter Aircraft Traffic on Full-Depth Reclamation with Thin Surface Layers

    Abstract: The US Army Engineer Research and Development Center (ERDC) constructed a full-scale test section to evaluate the effectiveness of different pavement surface technologies in sustaining fighter aircraft traffic. A deteriorated thin asphalt pavement was recycled utilizing full-depth reclamation (FDR) techniques with cement stabilization. Relatively thin surfacing solutions constructed with either conventional hot mix asphalt (HMA) or nontraditional surface materials were placed on the FDR layer and trafficked with a single-wheel F-15 load cart. Rutting behavior, instrumentation response, and nondestructive evaluation measurements were monitored during traffic. Experimental results showed that thin surface treatments and microsurfacing materials placed on FDR layers were capable of supporting an extremely limited number of F-15 operations, and the generation of foreign object debris (FOD) was a major concern. A 4 in. thick HMA layer was required to sustain a meaningful number of F-15 operations, that is, approximately 3,000, and a 2 in. thick HMA layer was required to sustain approximately 100 F-15 passes. An analysis using the Airfield Pavement Evaluation subroutine in PCASE suggested that existing stabilized equivalency factors were reasonable when the minimum asphalt layer thickness was specified. A reduced equivalency factor was observed when the asphalt layer thickness was less than the minimum thickness.

  • U.S. Army Corps of Engineers issues permit for rebuild of Francis Scott Key Bridge

    The U.S. Army Corps of Engineers (USACE), Baltimore District, on March 5, 2025, issued its Section 10/404/408 permit decision for the rebuild of the Francis Scott Key Bridge, granting Maryland Transportation Authority permission to construct the bridge that will reconnect the I-695 Baltimore Beltway and improve community accessibility lost following the collapse of the original structure that claimed the lives of six Baltimoreans.

  • Jacksonville District publishes updated Fernandina Harbor NEPA proposal for public review, comment

    The U.S. Army Corps of Engineers, Jacksonville District, seeks public review and comment regarding

  • Viet Nguyen Comes Full Circle

    Viet Nguyen, a program manager at the U.S. Army Corps of Engineers' Fort Worth District, has managed critical programs and projects around the world, including during three deployments, as a Department of Army civilian, supporting Afghanistan District South, Task Force Restoring Iraqi Oil, and the Transatlantic Expeditionary District in Kuwait.

  • USACE Vicksburg District’s Arkabutla Lake Announces Temporary Outage at Hernando Point

    VICKSBURG, Miss. – The US Army Corps of Engineers (USACE) at Arkabutla Lake announces that Hernando Point Recreation Area is experiencing a temporary water outage. The outage is expected to last into the middle of next week until a repair can be made to the area’s water well.

  • New Construction Criteria for a Changing Arctic and Subarctic: The UFC 3-130 Series Revision Process

    Abstract: The DoD operates significant and strategically important installations in the Arctic and Subarctic domain. Geopolitical, economic, and climatic changes require an upgraded ability to rapidly deploy and sustain forces into Arctic and Subarctic regions. Relevant engineering criteria and guidance to support these efforts are the Unified Facility Criteria 3-130–Arctic and Subarctic Construction (UFC 3-130) documents, originally a seven-volume series. The series has been ‘inactive’, indicating the specifications are not current and potentially technically noncompliant. Therefore, designers may resort to methods that do not meet current military or civilian standards, or they may use the outdated guidance leading to costly design and construction failures. Infrastructure owners and operators must be confident that up-to-date technology and criteria are specified to ensure life safety, mission readiness, and infrastructure longevity. This report highlights the process and resources used to generate a new five-volume UFC Arctic and Subarctic series that aligns with current technology and standards while also addressing a changing climate. These new documents are appliable for use by planners, engineers, and architects when planning, designing, constructing, and maintaining DoD infrastructure. The full UFC 3-130 series is available on the Whole Building Design Guide (WBDG) website at https://www.wbdg.org/dod/ufc.

  • Norfolk Harbor Navigation Improvements Project: Modeling of Dredged Material Placement Schemes and Long-Term Sediment Transport at the Dam Neck Ocean Disposal Site

    Abstract: US Army Corps of Engineers–Norfolk District requested assistance with the development and evaluation of dredged-material-placement schemes that evenly distribute placed material and avoid or minimize unacceptable mounding in accordance with the site management and monitoring plan. A multiple placement fate and transport modeling study was conducted to determine the optimal placement plan for dredged material from Thimble Shoals Channel and Atlantic Ocean Channel at the Dam Neck Ocean Disposal Site (DNODS). Provided the large volume of dredged material to be placed at DNODS over a short duration during the construction period, a modeling study was performed using the Geophysical Scale Multi-Block (GSMB) modeling system to determine the transport and fate of placed dredged material at the DNODS that is resuspended by currents and waves over a 2-year period. Six scenarios were undertaken to determine the best path forward. Scenarios 1 and 4 were excluded due to high exceedance of the depth threshold. Scenarios 2, 3, 5, and 6 yielded an approximate 1%–2% dispersal of placed materials from the DNODS during ambient environmental conditions; Scenario 6 yielded the least. Most dispersion occurred during two simulated hurricanes. The model findings generally support the DNODS Environmental Impact Statement and site-designation documents.

  • Omaha District hosts dam safety and emergency response exercise with Denver area partners

    Two joint exercises simulating potentially catastrophic flood events affecting the Denver metropolitan area were held Feb. 26-27, 2025, at the Mile High Flood District headquarters in Denver, Colorado.