USACE November 2020 Update

USACE October 2020 Monthly Update

November 19, 2020
1 Diversion Inlet Structure Construction

Structure includes 3-50 ft. wide Tainter gates. The concrete approach and structure slabs downstream stepped slabs are complete. Placement of right dam walls continues and H-pile driving in stilling basin is scheduled to begin this month. Construction is 40% complete with a required completion date of 7 June 2023. Anticipated remaining schedule:

  • 2020: Foundations/site work, control structure, dam walls.
  • 2021: Concrete piers/abutments, control building.
  • 2022: Install bridge deck, gates, and operating machinery.
  • 2023: Paint gates, seed.
  • 2024: Turf established.

2 Wild Rice River Structure Construction

Structure includes 2-40 ft. wide Tainter gates. Concrete placement for the dam walls is underway and the first large control structure slab is scheduled for 24 Nov. Construction is 14% complete with a required completion date of 22 October 2023. Anticipated schedule:

  • 2020: Foundations/site work, control structure, approach walls, dam embankment.
  • 2021: Dam walls, control building, dam embankment.
  • 2022: Control building, dam embankment.
  • 2023: Complete excavation, dam embankment, gate installation, seed.
  • 2024: Turf established.

3 Red River Structure Design

Structure includes 3-50 ft. wide Tainter gates. The design of this critical-path feature remains on schedule. The 65% review is complete and the 95% is scheduled to begin late-April 2021. Final plans and specs are scheduled to be completed in September 2021.

4 Southern Embankment โ€“ Reach SE-1 (Western Tieback)

The final plans and specs were approved on 30 October 2020. Construction contract award is scheduled for 2nd quarter FY21.

5 Southern Embankment โ€“ Reach SE-2A

Detailed design continues and the 65% design review by the DA is scheduled to begin late-January 2021. Final plans and specifications are scheduled for November 2021. Rock Island District is assisting with design for Reaches SE-2A, SE-2B and SE-4.

6 I-29 Raise Design

Being designed by Houston Moore Group (HMG) and constructed by the Corps. The final reviews are ongoing and final plans and specifications are scheduled to be available late November 2020. The Prequalification of Sources was posted on 28 Oct. Award of a construction contract is anticipated in 2nd quarter FY21.

7 Drain 27 Wetland Mitigation Project Design

The 65% design review is complete and the 95% is scheduled to begin early-March 2021. Award of a construction contract is scheduled for September 2021.

8 Geomorphology Surveys

The final round of pre-project surveys is complete and a final report is due in Spring 2021.

 

Fargo-Moorhead Metro FRM โ€“ Federal Work/Southern Embankment and Control Structures
DIS = Diversion Inlet Control Structure
WRRS = Wild Rice River Control Structure
RRS = Red River Control Structure Diversion Inlet Structure – preparing for first concrete pour