US Army Corps of Engineers
St. Paul District

Dredging Public Notices

Dredge Notice 19-40 Boulanger Bend

Published Aug. 28, 2019

DN 19-40                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 27th, 2019                           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: 37%                                              Avg. Quantity/Job: 53,765yd3

Date Last Dredged: May 15th, 2017               Avg. Quantity/Year: 19,750 yd3

 

SURVEY DATA

Date Surveyed: August 23rd, 2019

Water Surface Elevation: 686.5

Low Control Pool Elevation: 686.3

Net Difference: + 0.2’

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500

Recommended Dredging Depth: 11 feet

Estimated Quantity: 28,755 yd3 and 557 yd3 placement site access

Type of Dredge: Contract Mechanical Plant 4

Proposed Dredging Date: August 28th, 2019

Estimated Duration: 19 dredging days

Justification for Dredging:  Channel is reduced to 150’ 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: Lower Boulanger Placement Site

Location: 2-821.1-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 19-40 Boulanger Bend

Published Aug. 28, 2019

DN 19-40                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 27th, 2019                           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: 37%                                              Avg. Quantity/Job: 53,765yd3

Date Last Dredged: May 15th, 2017               Avg. Quantity/Year: 19,750 yd3

 

SURVEY DATA

Date Surveyed: August 23rd, 2019

Water Surface Elevation: 686.5

Low Control Pool Elevation: 686.3

Net Difference: + 0.2’

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500

Recommended Dredging Depth: 11 feet

Estimated Quantity: 28,755 yd3 and 557 yd3 placement site access

Type of Dredge: Contract Mechanical Plant 4

Proposed Dredging Date: August 28th, 2019

Estimated Duration: 19 dredging days

Justification for Dredging:  Channel is reduced to 150’ 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: Lower Boulanger Placement Site

Location: 2-821.1-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