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  • August

    20 questions in 60 seconds with Richard Manley LRD Employee of the month

    Spotlighting Richard Manley, Great Lakes and Ohio River Division, Military Integration Division, Program Manager
  • Omaha awards environmental remediation contract for Front Range Air Force bases

    The Omaha District awarded an $8.5 million Optimized Remediation Contract in July that focuses on a large, joint environmental clean-up effort at six Air Force bases across four states in the Northwest also referred to as the Front Range group.
  • Constructing Habitat for an Industrious Owl

    For most bird species, the concept of living underground would be considered strange. For the burrowing owl, living anywhere else would be unthinkable.
  • Huntsville Center’s professional development program provides foundation for future leaders

    The eight-month long program utilized a variety of methods for delivering content to develop competencies including: communication, time management, conflict management, customer service, contribution to mission.
  • Smart Transportation Testbed pilot program underway in Colorado

    The Smart Transportation Testbed, a yearlong pilot program to plan, develop, demonstrate and employ automated vehicle (AV) technologies, is currently underway at Fort Carson, Colorado. The project, managed by the U.S. Army Engineer Research and Development Center (ERDC), is designed to determine how AV technology can help the military reduce transportation costs, improve public safety and enable faster delivery of services.
  • ENFIRE Refresher Course Produces Renewed Contingency Preparedness

    The 11th Engineers have concluded a refresher course held during the week of Aug. 3 designed to leverage the use of ENFIRE, the U.S. Army Corps of Engineers (USACE) rapid data collecting tool kit. Instruction set, reconnaissance, and surveying (commonly known as ENFIRE) allows Far East District (FED) Soldiers and civilians to conduct reconnaissance with modernized collection and dissemination technology from a safe distance, making it possible to deliver data with a greater level of precision than ever before.
  • Huntsville Center program keeps service members on target

    The U.S. Army Corps of Engineers, Engineering and Support Center, Huntsville is the designated Range and Training Land Program Mandatory Center of Expertise.
  • Gathright Dam’s second pulse release of 2020 set for Wednesday

    COVINGTON, Va. – Gathright Dam operators are scheduled to carry out the year’s second water-pulse release from Lake Moomaw on Wednesday. It will take place between 6 a.m. and 1:30 p.m.
  • Far East District participates in job fair

    The Far East District supported Camp Humphreys job fair at The Morning Calm Center Aug. 5. The district employs more than 450 individuals in 120 job titles and is the largest public engineering design and construction management agency in the world.
  • The FED Played a Big Part in My Career: A Conversation with Carolyn Spratley

    In a time when the Scientific American newsletter reports that 45% of women in STEM (Science, Technology, Engineering, Mathematics) leave their jobs because of feeling underpaid and unrepresented, Carol A. Spratley, Project Manager for the Korea Program Relocation Office defies this statistic by virtue of her 41 years as an employee of the U S. Army Corps of Engineers. Twenty-one of those years were spent in her most recent of two tours to South Korea in service to the Far East District.

News Releases

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Tag: USACE
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  • Highway 155 lane closure in Lake Isabella to begin May 5th

    The U.S. Army Corps of Engineers Sacramento District announced a temporary lane closure on Highway 155 at Isabella Lake’s main dam in Kern County beginning Tuesday, May 5, 2020.
  • Corps awards final cutoff wall contract for HHD rehabilitation

    The U.S. Army Corps of Engineers, Jacksonville District, awarded the final contract for the cutoff wall required as part of the ongoing rehabilitation of the Herbert Hoover Dike (HHD), the earthen structure surrounding Lake Okeechobee.
  • Corps increases flows to Caloosahatchee

    The U.S. Army Corps of Engineers Jacksonville District will increase flows from the W.P. Franklin Lock and Dam (S-79) to the Caloosahatchee estuary at a 7-day average rate of 650 cubic feet per second (cfs). Flows to the St. Lucie estuary remain at zero cfs as measured at the St. Lucie Lock and Dam (S-80). Releases will be made in a pulse pattern beginning on Saturday.
  • Update on levee rehabilitation in the Kansas City District

    The Kansas City District, U.S. Army Corps of Engineers would like to update our partners and the public on progress made in our levee rehabilitation program. There are 66 levee systems on target for repairs, some with breeches, some with other surface damage such as grass kill or scour holes. The Corps currently has 24 contracts awarded with another 16 currently advertised for bids or pending award. Contractors have begun moving dirt on 8 of the 24 awarded contracts – this number is increasing daily.
  • Corps of Engineers opens multi-use recreation areas

    The U.S. Army Corps of Engineers announced day-use and multi-purpose recreation areas around Fort Peck Lake will open May 1 to normal activities, following physical distancing and group limitations to reduce spread of COVID-19.
  • PUBLICATION NOTICE: Geochemical Fingerprinting of Sediment Sources Associated with Deposition in the Calcasieu Ship Channel

    Abstract: This Regional Sediment Management Technical Note (RSM-TN) demonstrates how geochemical fingerprinting techniques were used to distinguish probable sediment sources to the Calcasieu Ship Channel (CSC). These methods were applied to sediment samples collected from suspected source areas identified in past sediment budget studies. The techniques can be used by managers and stakeholders to make more informed decisions on best practices for managing sediment and mitigating sediment deposition within the channel.
  • USACE to host virtual public review of the Lewisville Lake Master Plan Revision

    The Fort Worth District, U.S. Army Corps of Engineers will host an online review to provide information and receive public input on the final draft revision of the Master Plan for Lewisville Lake. Normally, USACE would conduct a face-to-face public workshop to announce the availability of the draft revised master plan, but precautions associated with the COVID-19 virus have made it necessary to conduct the public involvement process online instead of hosting a face-to-face workshop.
  • PUBLICATION NOTICE: Analysis of Snow Water Equivalent Annual Maxima in the Upper Connecticut River Basin Using a Max-Stable Spatial Process Model

    Abstract: Recent advances from the science of spatial extremes and model regularization were applied to develop areal-based extremes of snow water equivalent (SWE) data for the upper Connecticut River Basin. Development of areal-based SWE exceedance probability estimates are of relevance for cool season probabilistic flood hazard analyses (PFHA). The approach profiled in this case study is applicable for other hydrometeor-ological variables of relevance to PFHA. The methodology conforms with Extreme Value Theory (EVT) for the analysis of spatial extremes; hence, there is a firm theoretical basis for extrapolation. Trend surface development is guided by EVT theory and recent advances for regularizing general linear models. R, a free software environment for statistical computing and graphics, and QGIS, a free and open-source geographic information system, were the primary tools used for product development and delivery. The following R software packages were primarily used during project execution: evd, Glmnet, maps, raster, rgdal, SDMTools, sp, and SpatialExtremes. R software packages exist in the public domain and support PFHA analyses of varying complexities. Their application herein is not an endorsement or recommendation. It is recommended that one would need to evaluate any particular R software package regarding its suitability for use for any specific application.
  • PUBLICATION NOTICE: Effects of Boric Acid and Water Content on Fundamental Properties of Proprietary Magnesium Phosphate Cement (MPC) Products

    Abstract: Magnesium phosphate cements (MPCs) have been used for decades in proprietary products for pavement repairs. However, products with high exothermic temperatures have short working times, and research is needed to overcome these unfavorable characteristics. The effects of different boric acid and water contents on the fundamental properties of concrete was investigated through 34 trial batch modifications on the following commercially available MPC products: (1) Premier Magnesia’s PREMag PGDM, (2) BASF Master Builder’s MasterEmaco T545, and (3) CeraTech Inc.’s Pavemend TR. Overall results indicated that the increase of boric acid and water content produced favorable decreased temperatures and increased set times but retardation in the early age development of compressive strength. Modifications in the PREMag PGDM product resulted in poor workability, inaccurate time of setting due to a thixotropic nature, and unacceptable compressive strength loss. The Pavemend TR product was significantly affected by the addition of boric acid resulting in nonrecoverable compressive and bond strength loss, excessive expansions, failure at low freezing and thawing cycles, and unacceptable times of setting for rapid-repair applications. The T545 product showed promising performance with 28-day recovery in compressive, flexural, and bond strengths and minimal differences in other properties when compared to the control mixture.
  • PUBLICATION NOTICE: Preliminary Assessment of Landform Soil Strength on Glaciated Terrain in New Hampshire

    Abstract: Accurate terrain characterization is important for predicting off-road vehicle mobility. Soil strength is a significant terrain characteristic affecting vehicle mobility. Collecting soil strength measurements is laborious, making in-situ observations sparse. Research has focused on providing soil strength estimates using remote sensing techniques that can provide large spatial and temporal estimates, but the results are often inaccurate. Past attempts have quantified the soil properties of arid environments using landform assessments; yet many military operating environments occupy high latitude regions with landscapes dominated by glacial deposits. This study took preliminary strength measurements for glacial landforms deposited from the Laurentide Ice Sheet in New England. A range of common glacial landforms were sampled to assess shear strength, bearing capacity, and volumetric moisture content. Glacial outwash landforms had the highest average shear strengths, glacial deltas the lowest. There was a significant negative correlation between silt content and shear strength of the soil, a significant positive correlation between bearing capacity and clay content, and a significant negative correlation with sand content. Moisture content of soils was inversely correlated to the abundance of gravel in the deposit. This work provides initial insight to this approach on glaciated terrain, but continued sampling will provide more robust correlations.

Institute for Water Resources

Pacific Ocean Division

District welcomes new tribal liaison
Nov. 14, 2023 UPDATED

South Pacific Division

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