US Army Corps of Engineers
St. Paul District Website Website

Dredging Public Notices

Dredge Notice 19-26 Fisher Island

Published July 2, 2019

DN 19-26                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 2nd, 2019                     DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Fisher Island (3)                 RIVER MILE: 744.8 – 745.3

 

HISTORIC DATA

Frequency: 80 %                                             Avg. Quantity/Job: 47,950 yd3

Date Last Dredged: July 29th, 2018                Avg. Quantity/Year: 38,165 yd3

 

SURVEY DATA

Date Surveyed: June 21st, 2019

Water Surface Elevation: 660.5

Low Control Pool Elevation: 659.4

Net Difference: +1.1’

5-Day River Forecast: Slight increase

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 47,944 yd3

Type of Dredge: Contract Mechanical Plant 5

Proposed Dredging Date: July 2nd, 2019

Estimated Duration: 24 dredging days

Justification for Dredging: The navigation channel is restricted to 215’ between the 9’ and closed between the 10.5’ contours. On a recommended bend width of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lost Island

Location: 5-744.7-LWT

Site Characteristics: This is a historically used island transfer 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 19-26 Fisher Island

Published July 2, 2019

DN 19-26                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 2nd, 2019                     DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Fisher Island (3)                 RIVER MILE: 744.8 – 745.3

 

HISTORIC DATA

Frequency: 80 %                                             Avg. Quantity/Job: 47,950 yd3

Date Last Dredged: July 29th, 2018                Avg. Quantity/Year: 38,165 yd3

 

SURVEY DATA

Date Surveyed: June 21st, 2019

Water Surface Elevation: 660.5

Low Control Pool Elevation: 659.4

Net Difference: +1.1’

5-Day River Forecast: Slight increase

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 47,944 yd3

Type of Dredge: Contract Mechanical Plant 5

Proposed Dredging Date: July 2nd, 2019

Estimated Duration: 24 dredging days

Justification for Dredging: The navigation channel is restricted to 215’ between the 9’ and closed between the 10.5’ contours. On a recommended bend width of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lost Island

Location: 5-744.7-LWT

Site Characteristics: This is a historically used island transfer 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.