USACE October 2020 Monthly Update
October 22, 2020
1 Diversion Inlet Structure Construction
Structure includes 3-50 ft. wide Tainter gates. The concrete approach and structure slabs are complete; placement of the downstream stepped slab is scheduled to begin the week of 26 Oct. Construction is 24% 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 wall and control structure slabs scheduled to begin the week of 26 Oct. Construction is 10% 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 by the DA began 19 October 2020. Final plans and specs are scheduled to be completed in September 2021.
4 Southern Embankment – Reach SE-1 (Western Tieback)
The final design review is ongoing and plans and specs are scheduled to be available 31 October 2020. Construction contract award is scheduled for 2nd quarter FY21.
5 Southern Embankment – 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. Award of a construction contract is anticipated in 2nd quarter FY21.
7 Drain 27 Wetland Mitigation Project Design
The 65% design review began 28 September 2020. The Environmental Assessment was completed 14 September 2020. 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 – 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