US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 16-28 Head of Raft Channel

Published Aug. 30, 2016

DN 16-28                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 30th, 2016                           DREDGING CATEGORY: Imminent MEETING DATE: If requested                             MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Head of Raft Channel         RIVER MILE: 687.6 – 688.1

 

HISTORIC DATA

Frequency: 48%                                             Avg. Quantity/Job: 37,922 yd3

Last Date Dredged: September 11th, 2014     Avg. Quantity/Year: 18,137 yd3

 

SURVEY DATA

Date Surveyed: August 29th, 2016

Water Surface Elevation: 631.9

Low Control Pool Elevation: 629.8

Net Difference: +2.1’

5 Day River Forecast: Steady Decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 27,822 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: August 31st, 2016

Estimated Duration: 14 dredging days

Justification for Dredging: The navigation channel is reduced to 295 feet between the 9.0’ contours and reduced to 160 feet between the 10.5’ contours, on a recommended bend of 400’. 

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Brownsville

Location: 8-688.7-RMP

Site Characteristics: This is a historically used beneficial use stockpile site. We expect all material to be removed.

 

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

 



Dredge Notice 16-28 Head of Raft Channel

Published Aug. 30, 2016

DN 16-28                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 30th, 2016                           DREDGING CATEGORY: Imminent MEETING DATE: If requested                             MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Head of Raft Channel         RIVER MILE: 687.6 – 688.1

 

HISTORIC DATA

Frequency: 48%                                             Avg. Quantity/Job: 37,922 yd3

Last Date Dredged: September 11th, 2014     Avg. Quantity/Year: 18,137 yd3

 

SURVEY DATA

Date Surveyed: August 29th, 2016

Water Surface Elevation: 631.9

Low Control Pool Elevation: 629.8

Net Difference: +2.1’

5 Day River Forecast: Steady Decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 27,822 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: August 31st, 2016

Estimated Duration: 14 dredging days

Justification for Dredging: The navigation channel is reduced to 295 feet between the 9.0’ contours and reduced to 160 feet between the 10.5’ contours, on a recommended bend of 400’. 

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Brownsville

Location: 8-688.7-RMP

Site Characteristics: This is a historically used beneficial use stockpile site. We expect all material to be removed.

 

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