US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 20-33 Petersons Bar

Published Aug. 10, 2020

DN 20-33                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August10th, 2020                            DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Petersons Bar                      RIVER MILE: MN River 11.7 – 12.1

 

HISTORIC DATA

Frequency: 60%                                             Avg. Quantity/Job: 18,371 yd3

Last Date Dredged: July 27th, 2020               Avg. Quantity/Year: 11,023 yd3

 

SURVEY DATA

Date Surveyed: August 3rd, 2020 

Water Surface Elevation: 690.9

Low Control Pool Elevation: 686.8

Net Difference: +4.1

5 Day River Forecast: steady decline

 

DREDGING DATA

Recommended Channel Width: 100 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 18,450 yd3 plus 278 yd3 placement site access

Type of Dredge: Contract Mechanical Plant 3

Proposed Dredging Date: August 11th, 2020

Estimated Duration: 9 dredging days

Justification for Dredging:  The navigation channel is reduced to 30’ between the 9.0’ contours closed between the 10.5’ contours once the water levels get down to Low Control Pool.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Cargill East River

Location: MN-14.1-RMP

Site Characteristics: This is an upland beneficial use stockpile site provided to the Corps by the Lower MN River Watershed District. 

 

If you have any questions concerning this project or want to request an on‑site meeting please call a dredging manager at (651) 290-5155.

 

 


Dredge Notice 20-33 Petersons Bar

Published Aug. 10, 2020

DN 20-33                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August10th, 2020                            DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Petersons Bar                      RIVER MILE: MN River 11.7 – 12.1

 

HISTORIC DATA

Frequency: 60%                                             Avg. Quantity/Job: 18,371 yd3

Last Date Dredged: July 27th, 2020               Avg. Quantity/Year: 11,023 yd3

 

SURVEY DATA

Date Surveyed: August 3rd, 2020 

Water Surface Elevation: 690.9

Low Control Pool Elevation: 686.8

Net Difference: +4.1

5 Day River Forecast: steady decline

 

DREDGING DATA

Recommended Channel Width: 100 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 18,450 yd3 plus 278 yd3 placement site access

Type of Dredge: Contract Mechanical Plant 3

Proposed Dredging Date: August 11th, 2020

Estimated Duration: 9 dredging days

Justification for Dredging:  The navigation channel is reduced to 30’ between the 9.0’ contours closed between the 10.5’ contours once the water levels get down to Low Control Pool.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Cargill East River

Location: MN-14.1-RMP

Site Characteristics: This is an upland beneficial use stockpile site provided to the Corps by the Lower MN River Watershed District. 

 

If you have any questions concerning this project or want to request an on‑site meeting please call a dredging manager at (651) 290-5155.