May 2019 USACE Update

Monthly Update from the U.S. Army Corps of Engineers

Presented by Terry Williams during the May 23, 2019 Diversion Board of Authority meeting.


PDF of the report

Diversion Inlet Structure Construction

A revised construction schedule from Ames Construction is expected 31 May. Re-start of operations
should begin mid-June. Activities for 2019 will include dewatering, test pile program and completion of channel excavation.

Wild Rice River Structure Construction

Final Plans and Specs were completed May 1, 2019. The Request for Proposals (RFP) is scheduled to
be issued early June 2019 with a 45-day bidding period. Contract award is scheduled for late
September 2019.

Red River Structure Design

Detailed design has started. A physical model (1:40 scale) is being contracted for to verify flows and design downstream scour protection. The design schedule is being developed with goal of starting construction in 2021.

Southern Embankment – Plan B Design

Detailed design, incorporating the Plan B alignment, is ongoing. Geotechnical borings to begin in
June 2019.

Cultural Resources Mitigation – Diversion Channel Sites

Completing further investigations of two archaeological sites along the Diversion Channel this summer. Our contractor should begin field work by July and the results will determine if further excavation will be required. We are in the process of reengaging with the Native American tribes and ND State Historic Preservation Office staff in regards to these sites. There may be opportunities for the public to participate in these investigations as well.

Colonel Calkins/Colonel Jansen Visit – 27 June 2019

Colonel Sam Calkins and Colonel Karl Jansen will attend the 27 June Diversion Authority meeting.
Colonel Jansen assumes command of the St. Paul District on 10 July 2019 (see bio on reverse).

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