US Army Corps of Engineers
St. Paul District Website

Dredging Public Notices

Dredge Notice 19-38 Lansing Upper Light

Published Aug. 13, 2019

DN 19-38                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 13th, 2019                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Lansing Upper Light          RIVER MILE: 664.1 – 664.7

 

HISTORIC DATA

Frequency: 73%                                              Avg. Quantity/Job: 44,224 yd3

Date Last Dredged: Aug. 18th, 2018              Avg. Quantity/Year: 32,491 yd3

 

SURVEY DATA

Date Surveyed: August 8th, 2019 

Water Surface Elevation: 621.2

Low Control Pool Elevation: 619.3

Net Difference: +1.9

5 Day River Forecast: Slow Decline

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 26,966 yd3

Type of Dredge: Government Hydraulic

Proposed Dredging Date: August 15th, 2018

Estimated Duration: 4 Dredging days

Justification for Dredging: The navigation channel is reduced to 150 feet between the 9’ contours and closed between the 10.5’ contours. On a recommended bend width of 500 feet.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lansing Hwy Bridge

Location: 9-663.5-LWP

Site Characteristics: This is a historically used stock pile site, all material is expected to be removed.  

 

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

 

 


Dredge Notice 19-38 Lansing Upper Light

Published Aug. 13, 2019

DN 19-38                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 13th, 2019                           DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Lansing Upper Light          RIVER MILE: 664.1 – 664.7

 

HISTORIC DATA

Frequency: 73%                                              Avg. Quantity/Job: 44,224 yd3

Date Last Dredged: Aug. 18th, 2018              Avg. Quantity/Year: 32,491 yd3

 

SURVEY DATA

Date Surveyed: August 8th, 2019 

Water Surface Elevation: 621.2

Low Control Pool Elevation: 619.3

Net Difference: +1.9

5 Day River Forecast: Slow Decline

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 11 feet

Estimated Quantity: 26,966 yd3

Type of Dredge: Government Hydraulic

Proposed Dredging Date: August 15th, 2018

Estimated Duration: 4 Dredging days

Justification for Dredging: The navigation channel is reduced to 150 feet between the 9’ contours and closed between the 10.5’ contours. On a recommended bend width of 500 feet.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lansing Hwy Bridge

Location: 9-663.5-LWP

Site Characteristics: This is a historically used stock pile site, all material is expected to be removed.  

 

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