US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-07 Boulanger Bend Lower Light

Published May 23, 2019

DN 19-07                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: May 23rd, 2019                               DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Boulanger Bend Lwr. Lt.   RIVER MILE: 820.0 - 820.4

 

 

HISTORIC DATA

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

Date Last Dredged: August 14th, 2018          Avg. Quantity/Year: 9,522 yd3

 

SURVEY DATA

Date Surveyed: May 21st, 2019

Water Surface Elevation: 687.8

Low Control Pool Elevation: 686.3

Net Difference: +1.5’

5 Day River Forecast: Steady Increase

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity:  10,412 yd3

Type of Dredge: Contract Mechanical Plant 4

Proposed Dredging Date: May 23rd, 2019

Estimated Duration: 7 dredging days

Justification for Dredging:  The navigation channel reduced to 25’ between the 9.0 foot contours and closed between the 10.5 foot contours.

 

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 19-07 Boulanger Bend Lower Light

Published May 23, 2019

DN 19-07                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: May 23rd, 2019                               DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Boulanger Bend Lwr. Lt.   RIVER MILE: 820.0 - 820.4

 

 

HISTORIC DATA

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

Date Last Dredged: August 14th, 2018          Avg. Quantity/Year: 9,522 yd3

 

SURVEY DATA

Date Surveyed: May 21st, 2019

Water Surface Elevation: 687.8

Low Control Pool Elevation: 686.3

Net Difference: +1.5’

5 Day River Forecast: Steady Increase

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity:  10,412 yd3

Type of Dredge: Contract Mechanical Plant 4

Proposed Dredging Date: May 23rd, 2019

Estimated Duration: 7 dredging days

Justification for Dredging:  The navigation channel reduced to 25’ between the 9.0 foot contours and closed between the 10.5 foot contours.

 

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.