USACE February 2021 Update

USACE February 2020 Monthly Update

1. Diversion Inlet Structure Construction

 Structure includes 3-50 ft. wide Tainter gates. Winter shutdown began on 18 December; work is anticipated to resume late-February. Construction is 46% 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. Winter shutdown began on 18 December. 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 95% review is scheduled to begin late-April 2021. Final plans and specs are scheduled to be completed in late-August 2021. 

4. Southern Embankment – Reach SE-1 (Western Tieback) Design

 This reach was advertised for bids on 15 January; bid opening was delayed due to not having all permits in hand. Construction contract award is scheduled for 2nd quarter FY21. 

5. Southern Embankment – Reach SE-1B Design

 Detailed design began November 2020. 

6. Southern Embankment – Reach SE-2A and 2B Design

 The 65% design review by the DA is scheduled to begin late-February 2021. Final plans and specifications are scheduled for November 2021. Reach SE-2B design is scheduled to start in March 2021. 

7. I-29 Raise Design

 Bids from prequalified sources are currently due 11 March, if permits are in hand. 

8. Drain 27 Wetland Mitigation Project Design

 The 65% design review is complete and the 95% is scheduled to begin in March 2021. Award of a construction contract was scheduled for September 2021 but will likely be delayed due to land acquisition. 

9. Drayton Dam Mitigation Project

 The design has re-commenced with the goal of having final plans and specs in August 2021. This mitigation project includes replacing the existing dam to incorporate fish passage. An Environmental Assessment was completed in 2013.