US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-20 Head of Raft Channel

Published June 21, 2019

DN 19-20                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 21st, 2019                               DREDGING CATEGORY: Emergency 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: 51%                                              Avg. Quantity/Job: 36,025 yd3

Last Date Dredged: October 12th, 2018         Avg. Quantity/Year: 18,380 yd3

 

SURVEY DATA

Date Surveyed: June 18th, 2018

Water Surface Elevation: 631.1

Low Control Pool Elevation: 629.7

Net Difference: +1.4’

5 Day River Forecast: Steady Decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 10,513 yd3 Only doing cut 2 cuts 1 and 3 will be deferred

Type of Dredge: Contract Mechanical

Actual Dredging Date: June 19th, 2019

Estimated Duration: 7 dredging days

Justification for Dredging: The navigation channel is closed between the 9.0’ contours and 10.5’ contours, on a bend with a recommended width of 400 feet. 

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Brownsville Containment

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 call a Dredging Manager at (651) 290-5155.

 

 

 


Dredge Notice 19-20 Head of Raft Channel

Published June 21, 2019

DN 19-20                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 21st, 2019                               DREDGING CATEGORY: Emergency 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: 51%                                              Avg. Quantity/Job: 36,025 yd3

Last Date Dredged: October 12th, 2018         Avg. Quantity/Year: 18,380 yd3

 

SURVEY DATA

Date Surveyed: June 18th, 2018

Water Surface Elevation: 631.1

Low Control Pool Elevation: 629.7

Net Difference: +1.4’

5 Day River Forecast: Steady Decline

 

DREDGING DATA

Recommended Channel Width: 400 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 10,513 yd3 Only doing cut 2 cuts 1 and 3 will be deferred

Type of Dredge: Contract Mechanical

Actual Dredging Date: June 19th, 2019

Estimated Duration: 7 dredging days

Justification for Dredging: The navigation channel is closed between the 9.0’ contours and 10.5’ contours, on a bend with a recommended width of 400 feet. 

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Brownsville Containment

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 call a Dredging Manager at (651) 290-5155.