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  DN 17-44 McMillan Island
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Dredge Notice 17-44 McMillan Island

Posted: 10/11/2017

Expiration date: 12/31/2018


DN 17-44                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 11th, 2017                          DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: McMillan Island                 RIVER MILE: 618.7 – 619.0

 

HISTORIC DATA

Frequency: 47%                                             Avg. Quantity/Job: 36,975 yd3

Date Last Dredged: November 1st, 2016        Avg. Quantity/Year: 17,307 yd3

 

SURVEY DATA

Date Surveyed: October 6th, 2017 

Water Surface Elevation: 610.5

Low Control Pool Elevation: 609.8

Net Difference: +0.7

5 Day River Forecast: Slow Increase

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 12,137 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: October 12th, 2017

Estimated Duration: 6 Dredging Days

Justification for Dredging: The navigation channel is restricted to 430 feet between the 9.0’ contours and restricted to 190 feet between 10.5’ contours on a recommended bend of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: McMillan Island Placement Site

Location: 10-618.7-RIT

Site Characteristics: This is a historically used transfer site. 

 

If you have any questions concerning this project, or if you would like to request an onsite meeting, please call a Channel Maintenance Coordinator at (651) 290-5155.

 

 

 

Dredge McMillan Island Mississippi River navigation sedimentation St. Paul District U.S. Army Corps of Engineers

ATTACHMENTS


  DN 17-44 McMillan Island
Bookmark and Share Email Print


Dredge Notice 17-44 McMillan Island

Posted: 10/11/2017

Expiration date: 12/31/2018


DN 17-44                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 11th, 2017                          DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: McMillan Island                 RIVER MILE: 618.7 – 619.0

 

HISTORIC DATA

Frequency: 47%                                             Avg. Quantity/Job: 36,975 yd3

Date Last Dredged: November 1st, 2016        Avg. Quantity/Year: 17,307 yd3

 

SURVEY DATA

Date Surveyed: October 6th, 2017 

Water Surface Elevation: 610.5

Low Control Pool Elevation: 609.8

Net Difference: +0.7

5 Day River Forecast: Slow Increase

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 12,137 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: October 12th, 2017

Estimated Duration: 6 Dredging Days

Justification for Dredging: The navigation channel is restricted to 430 feet between the 9.0’ contours and restricted to 190 feet between 10.5’ contours on a recommended bend of 500’.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: McMillan Island Placement Site

Location: 10-618.7-RIT

Site Characteristics: This is a historically used transfer site. 

 

If you have any questions concerning this project, or if you would like to request an onsite meeting, please call a Channel Maintenance Coordinator at (651) 290-5155.

 

 

 

Dredge McMillan Island Mississippi River navigation sedimentation St. Paul District U.S. Army Corps of Engineers