US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 20-31 Trenton

Published July 29, 2020

DN 20-31                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 29th, 2020                                DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Trenton                               RIVER MILE: 794.2 – 794.6

 

HISTORIC DATA

Frequency: 12 %                                             Avg. Quantity/Job: 26,643 yd3

Date Last Dredged: October 12th, 2018         Avg. Quantity/Year: 3,197 yd3

 

SURVEY DATA

Date Surveyed: July 28th, 2020

Water Surface Elevation: 670.9

Low Control Pool Elevation: 666.6

Net Difference: +4.3’

5-Day River Forecast: Crest then a decline

 

DREDGING DATA

Recommended Channel Width: 600 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 15,819 yd3

Type of Dredge: Contract Mechanical Plant 2

Proposed Dredging Date: July 29th, 2020

Estimated Duration: 8 dredging days

Justification for Dredging: There is 400’ feet between the 9.0’ contours and 240’ between the 10.5’ contours on a recommended bend width of 600’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Red Wing Commercial Harbor

Location: 4-791.6-RMP

Site Characteristics: This is a historically used beneficial use placement site owned by the City of Red Wing; all material is expected to be removed.

 

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 20-31 Trenton

Published July 29, 2020

DN 20-31                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 29th, 2020                                DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Trenton                               RIVER MILE: 794.2 – 794.6

 

HISTORIC DATA

Frequency: 12 %                                             Avg. Quantity/Job: 26,643 yd3

Date Last Dredged: October 12th, 2018         Avg. Quantity/Year: 3,197 yd3

 

SURVEY DATA

Date Surveyed: July 28th, 2020

Water Surface Elevation: 670.9

Low Control Pool Elevation: 666.6

Net Difference: +4.3’

5-Day River Forecast: Crest then a decline

 

DREDGING DATA

Recommended Channel Width: 600 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 15,819 yd3

Type of Dredge: Contract Mechanical Plant 2

Proposed Dredging Date: July 29th, 2020

Estimated Duration: 8 dredging days

Justification for Dredging: There is 400’ feet between the 9.0’ contours and 240’ between the 10.5’ contours on a recommended bend width of 600’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Red Wing Commercial Harbor

Location: 4-791.6-RMP

Site Characteristics: This is a historically used beneficial use placement site owned by the City of Red Wing; all material is expected to be removed.

 

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.