US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 20-32 Above Brownville

Published Aug. 10, 2020

DN 20-32                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 10th, 2020                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Above Brownsville             RIVER MILE: 689.9 – 690.2

 

HISTORIC DATA

Frequency: 56%                                             Avg. Quantity/Job: 33,277 yd3

Last Date Dredged: October 2nd, 2018           Avg. Quantity/Year: 18,635 yd3

 

SURVEY DATA

Date Surveyed: August 5th, 2020 

Water Surface Elevation: 631.3

Low Control Pool Elevation: 629.9

Net Difference: +1.4

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 23,769 yd3 plus access of 1,070 yd3

Type of Dredge: Contract Mechanical Plant 1

Proposed Dredging Date: August 10th, 2020

Estimated Duration: 13 dredging days

Justification for Dredging:  The channel is reduced to 290’ between the 9 foot contours and restricted to 245’ between the 10.5 foot contours. On a recommended bend width of 400’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Above Brownsville

Location: 8-690.4-LWT

Site Characteristics: This is a historically used temporary placement site. 

 

 

If you have any questions concerning this project or request an on‑site meeting please call a dredging manager at (651) 290-5155.

 

 


Dredge Notice 20-32 Above Brownville

Published Aug. 10, 2020

DN 20-32                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 10th, 2020                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Above Brownsville             RIVER MILE: 689.9 – 690.2

 

HISTORIC DATA

Frequency: 56%                                             Avg. Quantity/Job: 33,277 yd3

Last Date Dredged: October 2nd, 2018           Avg. Quantity/Year: 18,635 yd3

 

SURVEY DATA

Date Surveyed: August 5th, 2020 

Water Surface Elevation: 631.3

Low Control Pool Elevation: 629.9

Net Difference: +1.4

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 23,769 yd3 plus access of 1,070 yd3

Type of Dredge: Contract Mechanical Plant 1

Proposed Dredging Date: August 10th, 2020

Estimated Duration: 13 dredging days

Justification for Dredging:  The channel is reduced to 290’ between the 9 foot contours and restricted to 245’ between the 10.5 foot contours. On a recommended bend width of 400’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Above Brownsville

Location: 8-690.4-LWT

Site Characteristics: This is a historically used temporary placement site. 

 

 

If you have any questions concerning this project or request an on‑site meeting please call a dredging manager at (651) 290-5155.