US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-28 Freeborn Light

Published July 8, 2019

DN 19-28                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 8th, 2019                                  DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Freeborn Light                   RIVER MILE: 818.2 – 818.9

 

HISTORIC DATA

Frequency: 33%                                              Avg. Quantity/Job:  35,566 yd3

Date Last Dredged:  July 16th, 2018               Avg. Quantity/Year:  11,613 yd3

 

SURVEY DATA

Date Surveyed: July 3rd, 2019

Water Surface Elevation: 686.4

Low Control Pool Elevation: 686.2

Net Difference: + 0.2’

5-Day River Forecast: Slow increase, then decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 26,064 yd3 plus 683 yd3 placement site access

Type of Dredge: Contract Mechanical

Proposed Dredging Date: July 8th, 2019

Estimated Duration: 7- 24 hour dredging days

Justification for Dredging: The navigation channel is reduced to 130’ between the 9.0’ contours and 90’ between the 10.5’ contours.  On a recommended bend width of 400’.  

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Pine Bend Placement Site

Location: 2-823.8-LMT

Site Characteristics: This is a historically used temporary island 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 19-28 Freeborn Light

Published July 8, 2019

DN 19-28                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 8th, 2019                                  DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Freeborn Light                   RIVER MILE: 818.2 – 818.9

 

HISTORIC DATA

Frequency: 33%                                              Avg. Quantity/Job:  35,566 yd3

Date Last Dredged:  July 16th, 2018               Avg. Quantity/Year:  11,613 yd3

 

SURVEY DATA

Date Surveyed: July 3rd, 2019

Water Surface Elevation: 686.4

Low Control Pool Elevation: 686.2

Net Difference: + 0.2’

5-Day River Forecast: Slow increase, then decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 26,064 yd3 plus 683 yd3 placement site access

Type of Dredge: Contract Mechanical

Proposed Dredging Date: July 8th, 2019

Estimated Duration: 7- 24 hour dredging days

Justification for Dredging: The navigation channel is reduced to 130’ between the 9.0’ contours and 90’ between the 10.5’ contours.  On a recommended bend width of 400’.  

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Pine Bend Placement Site

Location: 2-823.8-LMT

Site Characteristics: This is a historically used temporary island 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