US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-46 Boulanger Bend Lower Light

Published Sept. 23, 2019

DN 19-46                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: September 23rd, 2019                      DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Boulanger Bend Lwr. Lt.    RIVER MILE: 819.7 - 820.4

 

 

HISTORIC DATA

Frequency: 20%                                             Avg. Quantity/Job: 46,659 yd3

Date Last Dredged: June 3rd, 2019                 Avg. Quantity/Year: 9,522 yd3

 

SURVEY DATA

Date Surveyed: September 19th, 2019

Water Surface Elevation: 686.6

Low Control Pool Elevation: 686.2

Net Difference: +0.4’

5 Day River Forecast: Steady Decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity:  21,724 yd3

Type of Dredge: Contract Mechanical Plant 2

Proposed Dredging Date: September 23rd, 2019

Estimated Duration: 11 dredging days

Justification for Dredging:  The navigation channel is reduced to 160’ between the 9.0’ contours and 110’ between the 10.5’ contours. On a recommended bend width of 400’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lower Boulanger

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 19-46 Boulanger Bend Lower Light

Published Sept. 23, 2019

DN 19-46                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: September 23rd, 2019                      DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Boulanger Bend Lwr. Lt.    RIVER MILE: 819.7 - 820.4

 

 

HISTORIC DATA

Frequency: 20%                                             Avg. Quantity/Job: 46,659 yd3

Date Last Dredged: June 3rd, 2019                 Avg. Quantity/Year: 9,522 yd3

 

SURVEY DATA

Date Surveyed: September 19th, 2019

Water Surface Elevation: 686.6

Low Control Pool Elevation: 686.2

Net Difference: +0.4’

5 Day River Forecast: Steady Decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity:  21,724 yd3

Type of Dredge: Contract Mechanical Plant 2

Proposed Dredging Date: September 23rd, 2019

Estimated Duration: 11 dredging days

Justification for Dredging:  The navigation channel is reduced to 160’ between the 9.0’ contours and 110’ between the 10.5’ contours. On a recommended bend width of 400’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lower Boulanger

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.