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  DN 1634 Coulters Island
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Dredge Notice 16-34 Coulters Island

Posted: 10/25/2016

Expiration date:


DN 16-34                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 25th, 2016                          DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Coulters Island                    RIVER MILE: 801.6 – 801.9

 

HISTORIC DATA

Frequency: 48%                                             Avg. Quantity/Job: 26,217 yd3

Date Last Dredged: August 1st, 2016             Avg. Quantity/Year: 12,538 yd3

 

SURVEY DATA

Date Surveyed: October 20th, 2016

Water Surface Elevation: 674.7

Low Control Pool Elevation: 673.9

Net Difference: +0.8’

5-Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 8,573 yd3 and 378 yd3 for placement site access

Type of Dredge: Contract Mechanical

Proposed Dredging Date: October 26th, 2016

Estimated Duration: 5 dredging days

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

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Corps Island

Location: 3-799.2-RMT

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 on‑site meeting, please contact a Channel Maintenance Coordinator at  (651) 290-5155.

 

 

 

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

ATTACHMENTS


  DN 1634 Coulters Island
Bookmark and Share Email Print


Dredge Notice 16-34 Coulters Island

Posted: 10/25/2016

Expiration date:


DN 16-34                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: October 25th, 2016                          DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Coulters Island                    RIVER MILE: 801.6 – 801.9

 

HISTORIC DATA

Frequency: 48%                                             Avg. Quantity/Job: 26,217 yd3

Date Last Dredged: August 1st, 2016             Avg. Quantity/Year: 12,538 yd3

 

SURVEY DATA

Date Surveyed: October 20th, 2016

Water Surface Elevation: 674.7

Low Control Pool Elevation: 673.9

Net Difference: +0.8’

5-Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 8,573 yd3 and 378 yd3 for placement site access

Type of Dredge: Contract Mechanical

Proposed Dredging Date: October 26th, 2016

Estimated Duration: 5 dredging days

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

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Corps Island

Location: 3-799.2-RMT

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 on‑site meeting, please contact a Channel Maintenance Coordinator at  (651) 290-5155.

 

 

 

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