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  • USACE holding public scoping meetings for Ala Wai watershed project

    The U.S. Army Corps of Engineers (USACE) Honolulu District, in cooperation with the City and County of Honolulu, will complete a Supplemental Environmental Assessment (SEA) in accordance with the National Environmental Policy Act (NEPA) and the Hawaii Environmental Policy Act (HEPA) compliance requirements for the Ala Wai Watershed Flood Risk Management Project. As part of the assessment process, USACE will be holding four virtual public scoping meetings and engineering forum sessions prior to publication and solicitation of public comment on the Draft EA report

  • Improving Biodiversity in the Habitat Management Units

    Habitat Management Units, or HMUs, are different from other parks. While parks are maintained to provide recreational opportunities, HMUs are areas of land dedicated to environmental stewardship.

  • Construction contract awarded for Sandy Lake Dam rehabilitation

    ST. PAUL, Minn. –The U.S. Army Corps of Engineers, St. Paul District, recently awarded a $5.3 million dollar contract to Kaiyuh Services, LLC, out of Anchorage, Alaska, for the rehabilitation of Sandy Lake Dam, near Libby, Minnesota.

  • USACE Assists in Lebanon’s Recovery

    After nearly a decade, the U.S. Army Corps of Engineers Transatlantic Middle East District (TAM) is back in Lebanon to help provide engineering solutions to some of Lebanon’s toughest challenges.

  • Army Corps of Engineers holding public hearing for Enbridge Line 5 tunnel permit request

    The U.S. Army Corps of Engineers will hold an online public hearing 1-4 p.m., December 7, 2020, to gather public comments on a permit request for a proposed Enbridge Line 5 pipeline tunnel under the Straits of Mackinac. The online hearing and written comment period provide a second opportunity for the public to provide information for consideration in evaluating Enbridge Energy, Limited Partnership’s permit application to construct a pipeline tunnel under the bed of Lake Michigan. Written comments are being accepted through December 17, 2020. The Corps’ initial public notice was issued May 15, 2020, and that comment period ended July 14, 2020. A tunnel constructed under the Straits of Mackinac requires a Corps permit, and the Corps is reviewing the application under the authority of Section 10 of the Rivers and Harbors Act of 1899 and Section 404 of the Clean Water Act.

  • USACE Buffalo District to host ribbon cutting for Athol Springs’ revetment

    The U.S. Army Corps of Engineers, Buffalo District will host a ceremonial ribbon cutting event and media site tour, 1:00 p.m. Monday, Nov. 9 at the Athol Springs project site, adjacent the Hoak’s Restaurant located at 4100 Lake Shore Rd, Hamburg, NY 14075.    The ceremony celebrates completion of the $8.2 million, 1,325-foot armor stone revetment of the Lake Erie seawall that will protect Route 5 from Lake Erie wave action and spray.

  • Intelligence Production Complex at WPAFB to protect services worldwide

    The U.S. Army Corps of Engineers Louisville District, in partnership with the Air Force and the

  • Discover ERDC Knowledge Management Representative (KMR) User’s Guide

    Abstract: Knowledge management plays a vital role in the successful execution on research projects at the U.S. Army Engineer Research and Development Center (ERDC). Accumulating and building upon knowledge is the cornerstone of the research and development process. Maintaining and providing access to knowledge is essential to the successful execution of research programs. An initiative to improve access to knowledge and the tools available to researchers was started by the Office of Research and Technology Transfer (ORRT). The result of that initiative is a knowledge portal called Discover ERDC. This document provides a detailed look on maintaining content on the Discover ERDC site from a Knowledge Management Representative viewpoint, and how help can be provided to those assigned to manage the content.

  • Fort McCoy, Wisconsin Building 550 Maintenance Plan

    Abstract: Building 550 (former World War II fire station) is located on Fort McCoy, Wisconsin, and was recommended eligible for the National Register of Historic Places (NRHP) in 2018 (Smith and Adams 2018). The building is currently vacant. It is an intact example of an 800 Series World War II fire station with character-defining features of its period of significance from 1939 to 1946 on its exterior and interior. All buildings, especially historic ones, require regular planned maintenance and repair. The most notable cause of historic building element failure and/or decay is not the fact that the historic building is old, but rather it is caused by incorrect or inappropriate repair and/or basic neglect of the historic building fabric. This document is a maintenance manual compiled with as-is conditions of construction materials of Building 550. The Secretary of Interior Guidelines on rehabilitation and repair per material are discussed to provide the cultural resources manager at Fort McCoy a guide to maintain this historic building. This report satisfies Section 110 of the National Historic Preservation Act (NHPA) of 1966 as amended and will help the Fort McCoy Cultural Resources Management office to manage this historic building.

  • Evaluating the Conductive Properties of Melanin-Producing Fungus, Curvularia lunata, after Copper Doping

    ABSTRACT:  Melanins are pigmented biomacromolecules found throughout all do-mains of life. Of melanins’ many unique properties, their malleable electrically conductive properties and their ability to chelate could allow them to serve as material for bioelectronics. Studies have shown that sheets or pellets of melanin conduct low levels of electricity; however, electrical conductance of melanin within a cellular context has not been thoroughly investigated. In addition, given the chelating properties of melanin, it is possible that introducing traditionally conductive metal ions could improve the conductivity. Therefore, this study investigated the conductive properties of melanized cells and how metal ions change these. We measured the conductivity of pulverized Curvularia lunata, a melanized filamentous fungi, with and without the addition of copper ions. We then compared the conductivity measurements of the fungus to chemically synthesized, commercially bought melanin. Our data showed that the conductivity of the melanized fungal biomass was an order of magnitude higher when grown in the presence of copper. However, it was two orders of magnitude less than that of synthetic melanin. Interestingly, conductance was measurable despite additional constituents in the pellet that may inhibit conductivity. Therefore, these data show promising results for using melanized cells to carry electrical signals.