Home > Missions > Navigation > Dredging Notices > PN View

Dredging Public Notices

Bookmark and Share Email Print


Dredging Notice 15-34 McMillan Island

Posted: 9/21/2015

Expiration date:


DN 15-34                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: September 21st, 2015                      DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

 

DREDGE CUT NAME: McMillan Island                 RIVER MILE: 618.1 – 618.8

 

HISTORIC DATA

Frequency: 47%                                              Avg. Quantity/Job: 36,694 yd3

Date Last Dredged: March 23rd, 2015            Avg. Quantity/Year: 17,124 yd3

 

SURVEY DATA

Date Surveyed: September 17th, 2015 

Water Surface Elevation: 610.8

Low Control Pool Elevation: 609.8

Net Difference: +1.0

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: McMillan Island (1): 6,697 yd3, 102 yd3 access

                                                  McMillan Island (2): 8144 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: McMillan Island (1): September 23rd, 2015

                                          McMillan Island (2): September 29th, 2015

Estimated Duration: 9 Dredging Days

Justification for Dredging: The navigation channel is restricted to 380 feet between the 9.0’ contours and restricted to 145 feet between 10.5’ contours on a tight bend.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: McMillan Island (6697 yd3 being placed here from McMillan Island 1)

Location: 10-618.7-RIT

Site Characteristics: This is a historically used transfer site. 

Proposed Placement Site: Prairie Sand & Gravel (8144 yd3 being placed here from McMillan Island 2)

Location: 10-636.3-LWP

Site Characteristics: Private upland site previously disturbed.  Landowner has proper permits for placement. 

If you have any questions concerning this project, or if you would like to request an onsite meeting, please call me at (651) 324-2050.

 

 

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

Bookmark and Share Email Print


Dredging Notice 15-34 McMillan Island

Posted: 9/21/2015

Expiration date:


DN 15-34                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: September 21st, 2015                      DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

 

DREDGE CUT NAME: McMillan Island                 RIVER MILE: 618.1 – 618.8

 

HISTORIC DATA

Frequency: 47%                                              Avg. Quantity/Job: 36,694 yd3

Date Last Dredged: March 23rd, 2015            Avg. Quantity/Year: 17,124 yd3

 

SURVEY DATA

Date Surveyed: September 17th, 2015 

Water Surface Elevation: 610.8

Low Control Pool Elevation: 609.8

Net Difference: +1.0

5 Day River Forecast: Holding Steady

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: McMillan Island (1): 6,697 yd3, 102 yd3 access

                                                  McMillan Island (2): 8144 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: McMillan Island (1): September 23rd, 2015

                                          McMillan Island (2): September 29th, 2015

Estimated Duration: 9 Dredging Days

Justification for Dredging: The navigation channel is restricted to 380 feet between the 9.0’ contours and restricted to 145 feet between 10.5’ contours on a tight bend.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: McMillan Island (6697 yd3 being placed here from McMillan Island 1)

Location: 10-618.7-RIT

Site Characteristics: This is a historically used transfer site. 

Proposed Placement Site: Prairie Sand & Gravel (8144 yd3 being placed here from McMillan Island 2)

Location: 10-636.3-LWP

Site Characteristics: Private upland site previously disturbed.  Landowner has proper permits for placement. 

If you have any questions concerning this project, or if you would like to request an onsite meeting, please call me at (651) 324-2050.

 

 

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