US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

DredgeNotice 14-45

Published Oct. 6, 2014

DN 14-45                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 6th, 2014                DREDGING CATEGORY: Imminent

MEETING DATE: If requested                      MEETING TIME:

BOAT REQUIREMENT:                               MEETING LOCATION:

 

DREDGE CUT NAME: Blacksmith Slough                          RIVER MILE: 718.9 – 719.3

 

HISTORIC DATA

Frequency: 11%                                             Avg. Quantity/Job: 16,847 yd3

Last Date Dredged: August 9th, 2013             Avg. Quantity/Year: 1,914 yd3

 

SURVEY DATA

Date Surveyed: October 3rd, 2014

Water Surface Elevation: 644.6

Low Control Pool Elevation: 644.2

Net Difference: +0.4’

5-Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 13,922 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: October 8th, 2014

Estimated Duration: 6 dredging days

Justification for Dredging: The navigation channel is limited to 180 feet within 9.0’ contours and closed within the 10.5’ contours.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Winona Technology Park

Location: 6-722.9-RMP

Site Characteristics:  Winona Technology Park is a short term site provided by the Winona Port Authority.  It is not identified in the CMMP, but it was coordinated through the OSIT.  The Winona Port Authority has obtained all necessary permits for this action. 

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please contact the Channel Maintenance Coordinator at (651) 290-5154.


DredgeNotice 14-45

Published Oct. 6, 2014

DN 14-45                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 6th, 2014                DREDGING CATEGORY: Imminent

MEETING DATE: If requested                      MEETING TIME:

BOAT REQUIREMENT:                               MEETING LOCATION:

 

DREDGE CUT NAME: Blacksmith Slough                          RIVER MILE: 718.9 – 719.3

 

HISTORIC DATA

Frequency: 11%                                             Avg. Quantity/Job: 16,847 yd3

Last Date Dredged: August 9th, 2013             Avg. Quantity/Year: 1,914 yd3

 

SURVEY DATA

Date Surveyed: October 3rd, 2014

Water Surface Elevation: 644.6

Low Control Pool Elevation: 644.2

Net Difference: +0.4’

5-Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 13,922 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: October 8th, 2014

Estimated Duration: 6 dredging days

Justification for Dredging: The navigation channel is limited to 180 feet within 9.0’ contours and closed within the 10.5’ contours.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Winona Technology Park

Location: 6-722.9-RMP

Site Characteristics:  Winona Technology Park is a short term site provided by the Winona Port Authority.  It is not identified in the CMMP, but it was coordinated through the OSIT.  The Winona Port Authority has obtained all necessary permits for this action. 

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please contact the Channel Maintenance Coordinator at (651) 290-5154.