Home > Missions > Navigation > Dredging Notices > PN View

Dredging Public Notices

Bookmark and Share Email Print


Dredging Notice 15-22 Lansing Upper Light

Posted: 7/23/2015

Expiration date:


DN 15-22                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 23rd, 2015                                DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

 

DREDGE CUT NAME: Lansing Upper Light           RIVER MILE: 664.0 – 664.7

 

HISTORIC DATA

Frequency: 71%                                             Avg. Quantity/Job: 43,240 yd3

Date Last Dredged: August 18th, 2013           Avg. Quantity/Year: 30,749 yd3

 

SURVEY DATA

Date Surveyed: July 16th, 2015 

Water Surface Elevation: 620.9

Low Control Pool Elevation: 619.3

Net Difference: +1.3

5 Day River Forecast: Slow Decline

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 41,474 yd3

Type of Dredge: Government Hydraulic

Proposed Dredging Date: July 25th, 2015

Estimated Duration: 7 Dredging days

Justification for Dredging: The navigation channel is reduced to 65 feet between the 10.5’ contours and reduced to 220 feet between the 9’ contours.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lansing Hwy. Bridge

Location: 9-663.5-LWP

Site Characteristics: This is a historically used beneficial use stockpile site.  Removal of all material is expected.

 

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

 

 

 

Dredge Lansing Upper Light Mississippi River navigation sedimentation St. Paul District U.S. Army Corps of Engineers

Bookmark and Share Email Print


Dredging Notice 15-22 Lansing Upper Light

Posted: 7/23/2015

Expiration date:


DN 15-22                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: July 23rd, 2015                                DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

 

DREDGE CUT NAME: Lansing Upper Light           RIVER MILE: 664.0 – 664.7

 

HISTORIC DATA

Frequency: 71%                                             Avg. Quantity/Job: 43,240 yd3

Date Last Dredged: August 18th, 2013           Avg. Quantity/Year: 30,749 yd3

 

SURVEY DATA

Date Surveyed: July 16th, 2015 

Water Surface Elevation: 620.9

Low Control Pool Elevation: 619.3

Net Difference: +1.3

5 Day River Forecast: Slow Decline

 

DREDGING DATA

Recommended Channel Width: 500 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 41,474 yd3

Type of Dredge: Government Hydraulic

Proposed Dredging Date: July 25th, 2015

Estimated Duration: 7 Dredging days

Justification for Dredging: The navigation channel is reduced to 65 feet between the 10.5’ contours and reduced to 220 feet between the 9’ contours.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Lansing Hwy. Bridge

Location: 9-663.5-LWP

Site Characteristics: This is a historically used beneficial use stockpile site.  Removal of all material is expected.

 

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

 

 

 

Dredge Lansing Upper Light Mississippi River navigation sedimentation St. Paul District U.S. Army Corps of Engineers