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  DN 17-40 McMillan Island
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Dredge Notice 17-40 McMillan Island

Posted: 9/14/2017

Expiration date:


DN 17-40                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: September 14th, 2017                      DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: McMillan Island                 RIVER MILE: 617.8 – 618.8

 

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: September 8th, 2017 

Water Surface Elevation: 610.2

Low Control Pool Elevation: 609.8

Net Difference: +0.4

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 37,269 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: September 18th, 2017

Estimated Duration: 19 Dredging Days

Justification for Dredging: The navigation channel is restricted to 320 feet between the 9.0’ contours and restricted to 125 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 Coordinatorme at (651) 290-5155.

 

 

 

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

ATTACHMENTS


  DN 17-40 McMillan Island
Bookmark and Share Email Print


Dredge Notice 17-40 McMillan Island

Posted: 9/14/2017

Expiration date:


DN 17-40                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: September 14th, 2017                      DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: McMillan Island                 RIVER MILE: 617.8 – 618.8

 

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: September 8th, 2017 

Water Surface Elevation: 610.2

Low Control Pool Elevation: 609.8

Net Difference: +0.4

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 37,269 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: September 18th, 2017

Estimated Duration: 19 Dredging Days

Justification for Dredging: The navigation channel is restricted to 320 feet between the 9.0’ contours and restricted to 125 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 Coordinatorme at (651) 290-5155.

 

 

 

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