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  • Review Plan Engineering and Design Products I-RAP-Mud Lake, MN

    This review plan describes necessary quality reviews for engineering and design (E&D) products for the I-RAP-Mud Lake, MN project. Project objectives include: (1) to improve connectivity for water and aquatic organisms to move between Mud Lake and the St. Louis River; (2) to provide overwintering habitat by deepening and opening the north end of Mud Lake; (3) to restore wetland habitat by creating hemi-marsh for birds; (4) to improve plant species establishment, re-establishing wild rice, and limiting invasive cattails; (5) to recreate historic bay mouth bars and islands reusing dredged material; and (6) to remediate contaminated sediments, as needed. The project will include construction of a 10- to 30-foot opening under an existing railroad way. The opening design will consist of multiple, precast box culverts or a simple span precast concrete bridge founded on steel piles. Engineering tasks will include data collection, hydraulic modeling, and plans and specifications for dredging and the culvert or bridge. The construction contract will be awarded by others (USEPA or MNDNR). The USACE is expected to be retained for construction oversight support.

  • Review Plan Engineering and Design Products Soo Poe Lock Gate 3 Engineering and Design

    This review plan describes necessary quality reviews for engineering and design (E&D) products for the Soo Poe Lock Gate 3 Engineering and Design. Design of a new downstream (D/S) miter gate (Gate #3) at the Poe including gate leaves, pintle base, adjustable wall quoin and a rod connection interface to gate. The design package to include drawings, technical specifications, ECIFP, and DDR w/calculations. Fabrication and installation is not considered.

  • Review Plan Engineering and Design Products Soo Asset Renewal Crib Dam Stabilization, MI

    This review plan describes necessary quality reviews for engineering and design (E&D) products for the Asset Renewal Crib Dam Stabilization. This project requires design and construction to stabilize the crib dam (the wall along the tailrace at the power plant, center dam) located at the Soo Locks in Sault Ste. Marie, Michigan. The stability of the crib dam is critical for maintaining water levels in the St. Marys River at the power plant and providing access to perform operations and maintenance (O&M) activities in the area.

  • PUBLIC NOTICE: Preliminary Finding of No Significant Impact and Environmental Assessment for Manistique Maintenance Dredging and Nearshore Placement

    Expiration date: 6/2/2024

    PUBLIC NOTICE: Preliminary Finding of No Significant Impact and Environmental Assessment for Manistique Maintenance Dredging and Nearshore Placement U.S. ARMY CORPS OF ENGINEERS, DETROIT DISTRICT Published May 2, 2024 / Expires June 2, 2024 SUMMARY: The proposed alternative includes dredging and placement of approximately 80,000 cubic yards of shoaled materials as well as future maintenance dredging of shoaled material with placement at either of the nearshore nourishment area with one located directly adjacent to the western breakwater and extending 7,000 feet and one starting 13,100 feet southwest of the Federal Navigation Project and extending 10,900 feet. COMMENT PERIOD: Begins: May 3, 2024; Ends: June 2, 2024 Please provide all comments by email to: Detroit-USACEPublicNotice@usace.army.mil refer to file ‘Manistique Maintenance Dredging.’ PN & EA: https://usace.contentdm.oclc.org/utils/getfile/collection/p16021coll7/id/25689

  • Sebewaing south levee repair, Sebewaing, MI: Authority: O&M, major maintenance: Review plan

    This review plan describes necessary quality reviews for engineering and design (E&D) products for the Sebewaing South Levee Repair Project.

  • PUBLIC NOTICE: Environmental Assessment, Shore Nourishment at Wisconsin Point, City of Superior, Douglas County, Wisconsin

    Expiration date: 3/31/2024

    The U.S. Army Corps of Engineers, Detroit District, has completed an Environmental Assessment (EA) of shore nourishment at Wisconsin Point, City of Superior, Douglas County, Wisconsin. The EA addresses delivery of nourishment material by pipeline routed through Allouez Bay and expansion of the existing nourishment site and nourishment material source. The EA includes a Preliminary Finding of No Significant Impact reflecting our preliminary determination that the proposed action is not a major federal action significantly affecting the quality of the human environment and, therefore, would not require an Environmental Impact Statement (EIS). Following the comment period, and a review of the comments received, a final decision will be made regarding the necessity of preparing an EIS for the proposed action. An evaluation of the effects of placing fill materials in the waters of the United States, pursuant to Section 404(b)(1) of the Clean Water Act, and preliminary Statement of Findings is included with the EA. Anyone who has an interest that may be affected by the in-water fill placement associated with the nourishment reach extension may request a public hearing. To be considered, the request must be submitted within the 30-day comment period of this notice. The request must clearly state the interest that may be affected and the manner in which such interest may be affected by the proposed action.

  • Preliminary Finding of No Significant Impact and Environmental Assessment for Muskegon Walkway and Revetment Rehabilitation

    Expiration date: 12/8/2023

    The tentatively chosen alternative will consist of excavating critical dunes to create access routes and work and storage areas to remove and replace a concrete walkway. The selected alternative includes 3,000 cubic yards (cyds) of excavated dune sand. The excavated sand will be placed west of the project site along the Lake Michigan shoreline. The proposed project will also include removal and replacement of the existing walkway and grouted stone impacting a 7.5ft wide by 2,300ft long area. The new walkway will include seven curb openings with 20ft-by-20ft turnabouts. The proposed project will also include a temporary access route along the walkway with an average width of 16ft and a maximum width of 24ft. Three (3) work and storage areas with dimensions of 70 feet wide by 150ft long and access and storage areas in the existing parking lot and along the existing concrete walkways. The work period is expected to begin in Summer 2024 and last a full construction season.
  • Development of Cultural Resources Management Plan and Programmatic Agreement for the Soo Locks

    Expiration date: 10/12/2023

    Development of Cultural Resources Management Plan and Programmatic Agreement for the Soo Locks TO: All INTERESTED AGENCIES, PUBLIC GROUPS, AND CITIZENS The U.S. Army Corps of Engineers (USACE), Detroit District, proposes to update the Cultural Resources Management Plan for the U.S. Army Corps of Engineers, Detroit District, St. Marys Falls Canal (Soo Locks), Sault Ste. Marie, Michigan and develop a new Programmatic Agreement (PA) to implement the updated CRMP. The Soo Locks is listed on the National Register of Historic Places (NRHP) and has been designated a National Historic Landmark (NHL). This notice is provided pursuant to Section 800.6 of 36 C.F.R Part 800, Protection of Historic Properties, and Section 106 of 54 U.S.C. Subtitle III, National Historic Preservation Act (NHPA). A copy of this public notice can be provided upon request or can be reviewed online at http://www.lre.usace.army.mil/ by clicking on the link to “Other Public Notice” in the bottom left corner.
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