US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 20-19 Boulanger Bend

Published June 3, 2020

DN 20-19                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 3rd, 2020                                 DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Boulanger Bend                 RIVER MILE: 820.4 – 821.3

                                                                       

 

HISTORIC DATA

Frequency: 38%                                              Avg. Quantity/Job: 53,708 yd3

Date Last Dredged: September 18th, 2019     Avg. Quantity/Year: 20,409 yd3

 

SURVEY DATA

Date Surveyed: June 1st, 2020

Water Surface Elevation: 686.6

Low Control Pool Elevation: 686.3

Net Difference: + 0.3’

5 Day River Forecast: steady decline

 

DREDGING DATA

Recommended Channel Width: 500

Recommended Dredging Depth: 12 feet

Estimated Quantity: 54,859 yd3 plus 617 yd3 access

Type of Dredge: Contract Mechanical Plant 3

Proposed Dredging Date: June 3rd, 2020

Estimated Duration: 2 dredging days

Justification for Dredging:  Channel is reduced to 145’ between the 9.0’ contours and closed between the 10.5’ contours. On a recommended bend width of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Pine Bend

Location: 2-823.8-LMT

Site Characteristics: This is a historically used temporary placement site.

 

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

 

 


Dredge Notice 20-19 Boulanger Bend

Published June 3, 2020

DN 20-19                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 3rd, 2020                                 DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Boulanger Bend                 RIVER MILE: 820.4 – 821.3

                                                                       

 

HISTORIC DATA

Frequency: 38%                                              Avg. Quantity/Job: 53,708 yd3

Date Last Dredged: September 18th, 2019     Avg. Quantity/Year: 20,409 yd3

 

SURVEY DATA

Date Surveyed: June 1st, 2020

Water Surface Elevation: 686.6

Low Control Pool Elevation: 686.3

Net Difference: + 0.3’

5 Day River Forecast: steady decline

 

DREDGING DATA

Recommended Channel Width: 500

Recommended Dredging Depth: 12 feet

Estimated Quantity: 54,859 yd3 plus 617 yd3 access

Type of Dredge: Contract Mechanical Plant 3

Proposed Dredging Date: June 3rd, 2020

Estimated Duration: 2 dredging days

Justification for Dredging:  Channel is reduced to 145’ between the 9.0’ contours and closed between the 10.5’ contours. On a recommended bend width of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Pine Bend

Location: 2-823.8-LMT

Site Characteristics: This is a historically used temporary placement site.

 

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