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  • Grand Haven North Pier, Government Basin work begins Wednesday

    The U.S. Army Corps of Engineers, Detroit District, will begin maintenance projects at the Grand Haven Government Basin and North Pier in Grand Haven, Michigan beginning Wednesday, May 22.  About $1 million will be spent to replenish stone at the rubble mound revetment wall on the eastern edge of the basin, replace aging timber fenders on the basin pier structure, and fill a large concrete void on the North Pier. 

  • Public invited to open house, ribbon cutting for new Thomson Ranger Station

    The U.S. Army Corps of Engineers, Rock Island District, invites the public to an open house at the Thomson Ranger Station in Thomson, Illinois, May 29 from 1-3 p.m. with a formal ribbon cutting ceremony at 1:30 p.m. The new building, which is located near the entrance of the Thomson Causeway Recreation Area at 1600 Lewis Avenue, replaces a rented office space that the Corps occupied in downtown Thomson for more than 20 years.

  • U.S. Army’s premier engineer award presented posthumously to Medal of Honor recipient

    SAVANNAH. Ga. -- U.S. Army Sgt. 1st Class Christopher A. Celiz was posthumously presented the Gold Order of the de Fleury Medal, the highest honor in the U.S. Army Engineer Regiment, during a ceremony today in Savannah, Georgia.

  • Dworshak Dam discharge increasing to safely control the rate of reservoir fill

    AHSAHKA, Idaho – Dworshak Dam is currently releasing 1,600 cubic feet per second (cfs). Flows will begin increasing on the evening of Tuesday, May 21st to be in the approximate range of 3,000-5,000 cfs.

  • Corps to temporarily close Bell Road over J. Percy Priest Dam for maintenance

    NASHVILLE, Tenn. (May 17, 2024) – The U.S. Army Corps of Engineers Nashville District announces Bell Road across J. Percy Priest Dam is closing at 6 a.m. Tuesday, May 28, 2024, until 6 p.m. Friday, May 31, 2024, for routine maintenance activities.

  • Single lane closure scheduled for Highway 177 across Norfork Dam

    MOUNTAIN HOME, Ark. – The U.S. Army Corps of Engineers is scheduling a single lane closure of Highway 177 across Norfork Dam starting at 7 a.m. May 29, 2024, and continuing through late January 2025, for routine maintenance.

  • USACE FY24 Civil Works Work Plan provides funding to advance Louisville Metro Flood Protection System Reconstruction Project

    The U.S. Army Corps of Engineers (USACE) Louisville District will receive $5.3 million in federal funding to advance the Louisville Metro Flood Protection System Reconstruction Project. The funds, which were included as part of the Fiscal Year 2024 Work Plan for the Army Civil Works program, will be used to initiate the construction phase of the project.

  • USACE closes swim beaches until further notice

    ROGERS, Ark. – The U.S. Army Corps of Engineers, Beaver Lake Project Office is closing swim beaches at Hickory Creek, Horseshoe Bend Campground, Indian Creek, Lost Bridge South, Prairie Creek, Rocky Branch Day Use, Rocky Branch Campground, Dam Site Island, War Eagle and Horseshoe Bend Day Use Area until further notice.

  • Rolling Prairie, Minnesota, Beneficial Use Area: A 100-Year Plan for Multiuse Land Management and Restoration Using Dredged Sediment

    Purpose: Inland waterway dredged sediment management is challenged by a lack of capacity in existing dredged material confined disposal facilities (CDFs) and a lack of available land to place sediment near frequently dredged navigation channels. Navigation operation and maintenance (O&M) dredging, material management, and coordination costs are increasing, and alternative long-term solutions are required. In response, the US Army Corps of Engineers (USACE), St. Paul District has addressed the challenge by investigating regional sediment management and beneficial use of dredged material when updating navigation pool–specific dredged material management plans (DMMP). The recently completed Pool 5 DMMP planning identified a 950 acre (384 ha)[1] placement site consisting of several land parcels available from willing sellers that will accommodate a “100-year plan” for dredged material management (USACE 2019). This technical note describes the multiple-use site plan that creates sand prairie and wetland habitat, provides public access to sand stockpiles, and implements agriculture studies with the University of Minnesota to evaluate the benefits of dredged material (i.e., sand) amendments in alluvial cropland soils, which has not been widely investigated. The Rolling Prairie site will demonstrate benefits of “distributed DMMPs” in which thin-layer placement on agricultural land near dredging locations can supplement traditional disposal methods. It also shows the advantage of having a large placement site to achieve multiple objectives.

  • Additive Regulated Concrete for Thermally Extreme Conditions

    Abstract: This study details a multiprong effort to validate the Cold Regions Research and Engineering Laboratory’s solution for concrete construction and repair in cold weather, Additive Regulated Concrete for Thermally Extreme Conditions (ARCTEC). ARCTEC is the product of several years of research and consists of a testing and simulation workflow which generates scenario-sensitive guidance for use of accelerating admixtures in concrete. This report details efforts to validate ARCTEC using real-world, full-scale, field demonstrations. These demonstrations were used to collect data on the behavior of concrete obtained through conventional supply chains, to assess the accuracy of the simulation component of the workflow, and test efficacy of ARCTEC guidance in achieving frost protection. Results indicate that ARCTEC is at a high level of maturity, and provides additive dosage guidance that ensures frost protection and strength development in concrete placed where overnight lows fall as low as 0°F. The effort and cost required to implement ARCTEC as a cold weather protection strategy is minimal, and significantly less burdensome than conventional methods. Any cold region installation with a winter construction or repair needs and access to conventional concrete supply chains could field ARCTEC, and reduce the cost and schedule constraints associated with winter construction.