US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 14-25

Published Aug. 19, 2014

DN 14-25                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 19th, 2014                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

 

DREDGE CUT NAME: Crats Island                         RIVER MILE: 758.8 – 759.5

 

HISTORIC DATA

Frequency: 80%                                             Avg. Quantity/Job: 70,508 yd3

Date Last Dredged: August 5th, 2014             Avg. Quantity/Year: 56,086 yd3

 

SURVEY DATA

Date Surveyed: August 16th, 2014

Water Surface Elevation: 666.8

Low Control Pool Elevation: 666.5

Net Difference: +0.3’

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 450 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 15,899 yd3

Type of Dredge: Government Hydraulic- Dubuque

Proposed Dredging Date: August 18th, 2014

Estimated Duration: 14 dredging days

Justification for Dredging: The navigation channel is limited to 200 feet within the 9.0’ contours and limited to 200 feet within the 10.5’ contours.  The Goetz initially dredged in this location to provide a pilot channel.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Crats Island

Location: 4-759.3-LWT

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

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please call me at 651-290-5154.


Dredge Notice 14-25

Published Aug. 19, 2014

DN 14-25                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 19th, 2014                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

 

DREDGE CUT NAME: Crats Island                         RIVER MILE: 758.8 – 759.5

 

HISTORIC DATA

Frequency: 80%                                             Avg. Quantity/Job: 70,508 yd3

Date Last Dredged: August 5th, 2014             Avg. Quantity/Year: 56,086 yd3

 

SURVEY DATA

Date Surveyed: August 16th, 2014

Water Surface Elevation: 666.8

Low Control Pool Elevation: 666.5

Net Difference: +0.3’

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 450 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 15,899 yd3

Type of Dredge: Government Hydraulic- Dubuque

Proposed Dredging Date: August 18th, 2014

Estimated Duration: 14 dredging days

Justification for Dredging: The navigation channel is limited to 200 feet within the 9.0’ contours and limited to 200 feet within the 10.5’ contours.  The Goetz initially dredged in this location to provide a pilot channel.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Crats Island

Location: 4-759.3-LWT

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

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please call me at 651-290-5154.