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  • USACE to host virtual public information presentation for Grapevine Lake Master Plan Revision

    Officials with the Fort Worth District, U.S. Army Corps of Engineers, announce today the initiation of the process to revise the Grapevine Lake Master Plan.

  • Safety Office: Workplace safety equals team effort

    Ensuring that employees have the safest work environment possible is key to what the U.S. Army Corps of Engineers Safety Office does. And, according to Pete Flanagan, Safety Office chief, the Corps of Engineers’ Safety and Occupational Health Management System (CESOHMS) establishes a frame­work of policy-making and functional audits to ensure its success.

  • Hydro Survey mission a key part of harbor operations

    The Brunswick and Savannah Harbors are essential to supporting the nation’s commerce. The U.S. Army Corps of Engineers Savannah District Hydro Survey section has responsibility for ensuring these and other waterways remain passable.

  • Corps of Engineers Suspends Collection of Day Use Fees, Campground Closures Continue until June 1

    ROCK ISLAND, Illinois – The U.S. Army Corps of Engineers, Rock Island District has suspended the collection of day use fees until Oct. 1. These suspended fees apply to all open recreation areas within the District. This includes recreation areas at Saylorville Lake, Lake Red Rock, Coralville Lake and those located along the Mississippi River between Potosi, Wisconsin and Saverton, Missouri.

  • Change of Command for Mississippi Valley Division

    Maj. Gen. R. Mark Toy will transfer command of the Mississippi Valley Division (MVD), U.S. Army Corps of Engineers (USACE), to Maj. Gen. Diana M. Holland in a formal change of command ceremony June 30 at 10 a.m. at MVD headquarters. Due to the current conditions due to the COVID-19 pandemic, the event will not be open to the public, but will be live streamed on Facebook @mississippivalleydivision.

  • Missouri River basin’s below-normal precipitation leads to lower runoff forecast; reduced Gavins Point releases

    Gavins Point releases will be reduced to 33,000 cubic feet per second (cfs) on Friday, May 8 following a reduction in forecast 2020 upper basin runoff. Since January, precipitation in the upper basin has been well below normal, which has led to a reduction in the runoff forecast. Some areas of the Dakotas received less than half of their normal precipitation during the first four months of 2020.

  • Corps relaxes restrictions for some recreation sites in Oregon and Washington

    The U.S. Army Corps of Engineers, Portland District (Corps) is relaxing restrictions at some recreation sites in Oregon and Washington, Thursday, May 7th as the first phase in a gradual relaxing of closures at Corps locations.

  • Army Corps work set to resume on Fire Island, NY & Monmouth County, NJ Coastal Storm Risk Reduction Projects

    The B.E. LINDHOLM arrived at Fire Island on May 6 and is completing final preparations to begin work, while the MAGDALEN will arrive on or about May 15. B.E. LINDHOLM is expected to begin work on the Point O' Woods and Ocean Bay Park portions of the Fire Island Inlet to Moriches Inlet Coastal Storm Risk Reduction Project (FIMI).

  • PUBLICATION NOTICE: Using Morton Codes to Partition Faceted Geometry: An Architecture for Terabyte-Scale Geometry Models

    Abstract: The Virtual Environment for Sensor Performance Assessment (VESPA) project requires enormous, high-fidelity landscape models to generate synthetic sensor imagery with little to no artificial artifacts. These high-fidelity landscapes require a memory footprint substantially larger than a single High Performance Computer’s (HPC) compute node’s local memory. Processing geometries this size requires distributing the geometry over multiple compute nodes instead of including a full copy in each compute node, the common approach in parallel modeling applications. To process these geometric models in parallel memory on a high-performance computing system, the Geometry Engine component of the VESPA project includes an architecture for partitioning the geometry spatially using Morton codes and MPI (Message Passing Interface) collective communication routines. The methods used for this partitioning process will be addressed in this report. Incorporating this distributed architecture into the Geometry Engine provides the capability to distribute and perform parallel ray casting on landscape geometries over a Terabyte in size. Test case timings demonstrate scalable speedups as the number of processes are increased on an HPC machine.

  • New Lock at the Soo construction set to begin

    The U.S. Army Corps of Engineers, Detroit District, announces that the New Lock at the Soo project is on schedule as construction for phase one of the project began this week. Trade West Construction, Inc., began to move equipment to the site on May 4 and will begin deepening the upstream approach to the locks in the north canal within the next month. Phase one of the project, upstream channel deepening, will facilitate the construction of a new Poe-sized lock in the place of the existing Davis and Sabin Locks. This work is expected to be complete in November 2021. “It's incredible that we're starting this construction a year earlier than even the most optimistic projections when the project was reauthorized in 2018,” said Lt. Col. Gregory Turner, commander, USACE, Detroit District. “Getting the first phase started sets the conditions for the project’s ultimate completion.”