US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-15 Grand Encampment

Published June 8, 2019

DN 19-15                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 8th, 2019                                 DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Grand Encampment RIVER MILE: 755.8 – 756.8

 

HISTORIC DATA

Frequency: 67%                                                         Avg. Quantity/Job: 44,587 yd3

Date Last Dredged: November 19th, 2018                 Avg. Quantity/Year: 30,028 yd3

 

SURVEY DATA

Date Surveyed: June 5th, 2019

Water Surface Elevation: 670.0

Low Control Pool Elevation: 666.3

Net Difference: +3.7’

5 Day River Forecast: steady decline

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 76,340 yd3

Type of Dredge: Government Hydraulic

Proposed Dredging Date: June 10th, 2019

Estimated Duration: 10 dredging days

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

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Grand Encampment

Location: 4-756.5-LWT

Site Characteristics: This is a historically used temporary placement site.

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please a dredging manger at (651) 290-5155.

 

 

 

 


Dredge Notice 19-15 Grand Encampment

Published June 8, 2019

DN 19-15                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: June 8th, 2019                                 DREDGING CATEGORY: Emergency

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: Grand Encampment RIVER MILE: 755.8 – 756.8

 

HISTORIC DATA

Frequency: 67%                                                         Avg. Quantity/Job: 44,587 yd3

Date Last Dredged: November 19th, 2018                 Avg. Quantity/Year: 30,028 yd3

 

SURVEY DATA

Date Surveyed: June 5th, 2019

Water Surface Elevation: 670.0

Low Control Pool Elevation: 666.3

Net Difference: +3.7’

5 Day River Forecast: steady decline

 

DREDGING DATA

Recommended Channel Width: 300 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 76,340 yd3

Type of Dredge: Government Hydraulic

Proposed Dredging Date: June 10th, 2019

Estimated Duration: 10 dredging days

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

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Grand Encampment

Location: 4-756.5-LWT

Site Characteristics: This is a historically used temporary placement site.

 

If you have any questions concerning this project, or if you would like to request an on‑site meeting, please a dredging manger at (651) 290-5155.