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Dredge Notice 17-31 Trenton

Posted: 8/15/2017

Expiration date:


DN 17-31                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 8th, 2017                             DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Trenton                               RIVER MILE: 794.2 – 794.5

 

HISTORIC DATA

Frequency: 9 %                                               Avg. Quantity/Job: 36,059 yd3

Date Last Dredged: August 19th, 2014          Avg. Quantity/Year: 3,069 yd3

 

SURVEY DATA

Date Surveyed: August 4th, 2017 

Water Surface Elevation: 667.8

Low Control Pool Elevation: 666.6

Net Difference: +1.2’

5-Day River Forecast: Dropping Slightly

 

DREDGING DATA

Recommended Channel Width: 600 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 13,341 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: August 9th, 2017

Estimated Duration: 7 dredging days

Justification for Dredging: There have been increased problems on this tight bend in recent years. Channel width has reduced over the last eight years.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Red Wing Commercial Harbor

Location: 4-791.6-RMP

Site Characteristics: This is a historically used beneficial use placement site owned by the City of Red Wing; 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 me at (651) 290-5154.

 

 

Zach Kimmel

Channel Maintenance Coordinator

Dredge Mississippi River navigation sedimentation St. Paul District Trenton U.S. Army Corps of Engineers

ATTACHMENTS


  Dredge Notice
Bookmark and Share Email Print


Dredge Notice 17-31 Trenton

Posted: 8/15/2017

Expiration date:


DN 17-31                                           DREDGING NOTICE

                                              U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 8th, 2017                             DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                 MEETING TIME:

BOAT REQUIREMENT:                                          MEETING LOCATION:

DREDGE CUT NAME: Trenton                               RIVER MILE: 794.2 – 794.5

 

HISTORIC DATA

Frequency: 9 %                                               Avg. Quantity/Job: 36,059 yd3

Date Last Dredged: August 19th, 2014          Avg. Quantity/Year: 3,069 yd3

 

SURVEY DATA

Date Surveyed: August 4th, 2017 

Water Surface Elevation: 667.8

Low Control Pool Elevation: 666.6

Net Difference: +1.2’

5-Day River Forecast: Dropping Slightly

 

DREDGING DATA

Recommended Channel Width: 600 feet

Recommended Dredging Depth: 12 feet

Estimated Quantity: 13,341 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: August 9th, 2017

Estimated Duration: 7 dredging days

Justification for Dredging: There have been increased problems on this tight bend in recent years. Channel width has reduced over the last eight years.

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Red Wing Commercial Harbor

Location: 4-791.6-RMP

Site Characteristics: This is a historically used beneficial use placement site owned by the City of Red Wing; 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 me at (651) 290-5154.

 

 

Zach Kimmel

Channel Maintenance Coordinator

Dredge Mississippi River navigation sedimentation St. Paul District Trenton U.S. Army Corps of Engineers