US Army Corps of Engineers
St. Paul District

Dredging Public Notices

Dredge Notice 19-23 Below Winona RR Bridge

Published June 27, 2019

DN 19-23                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 27th, 2019                               DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Below Winona RR Bridge RIVER MILE: 723.4 – 723.6

 

HISTORIC DATA

Frequency: 49%                                              Avg. Quantity/Job: 25,932 yd3

Date Last Dredged: October 8th, 2018           Avg. Quantity/Year: 12,701 yd3

 

SURVEY DATA

Date Surveyed:  June 25th, 2019

Water Surface Elevation: 646.7

Low Control Pool Elevation: 644.6

Net Difference: +2.1’

5 Day River Forecast:  Slight Increase

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 9,930 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: June 27th, 2019

Estimated Duration: 3 – 24 hour dredging days

Justification for Dredging: The navigation channel is closed between the 9’ and 10.5’ contours.

  

MATERIAL PLACEMENT DATA

Proposed Placement Site: Winona Technology Park

Location: 6-722.9-RMP

Site Characteristics:  Winona Technology Park is a site provided by the Winona Port Authority.  The Winona Port Authority has obtained all necessary permits for this action. The East End Boat Harbor (RM 723.6) is the offload site and material is trucked to Technology Park.

 

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 19-23 Below Winona RR Bridge

Published June 27, 2019

DN 19-23                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 27th, 2019                               DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Below Winona RR Bridge RIVER MILE: 723.4 – 723.6

 

HISTORIC DATA

Frequency: 49%                                              Avg. Quantity/Job: 25,932 yd3

Date Last Dredged: October 8th, 2018           Avg. Quantity/Year: 12,701 yd3

 

SURVEY DATA

Date Surveyed:  June 25th, 2019

Water Surface Elevation: 646.7

Low Control Pool Elevation: 644.6

Net Difference: +2.1’

5 Day River Forecast:  Slight Increase

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 9,930 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: June 27th, 2019

Estimated Duration: 3 – 24 hour dredging days

Justification for Dredging: The navigation channel is closed between the 9’ and 10.5’ contours.

  

MATERIAL PLACEMENT DATA

Proposed Placement Site: Winona Technology Park

Location: 6-722.9-RMP

Site Characteristics:  Winona Technology Park is a site provided by the Winona Port Authority.  The Winona Port Authority has obtained all necessary permits for this action. The East End Boat Harbor (RM 723.6) is the offload site and material is trucked to Technology Park.

 

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.