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Dredge Notice 17-36 St Paul Small Boat Harbor

Posted: 8/21/2017

Expiration date:


DN 17-36                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 21st, 2017                            DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: St. Paul Small Boat Harbor             RIVER MILE: 839.6

 

HISTORIC DATA

Frequency: 43%                                                         Avg. Quantity/Job: 9,532 yd3

Year Last Dredged: Sept. 26, 2011                            Avg. Quantity/Year: 4,056 yd3

 

SURVEY DATA

Date Surveyed: August 21st, 2017

Water Surface Elevation: 686.7

Low Control Pool Elevation: 686.8

Net Difference: -0.1

5 Day River Forecast: steady increase

 

DREDGING DATA

Recommended Channel Width: Project Limits

Recommended Dredging Depth: 6 feet

Estimated Quantity: 6,643 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: August 22nd, 2017

Estimated Duration: 7 dredging days

Justification for Dredging: Water depths are less than the authorized project depth for a significant area of the harbor. 

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Southport

Location: 2-836.3-RMP

Site Characteristics: This is a historically used upland beneficial use site.

 

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

 

 

 

 

Dredge Mississippi River navigation sedimentation St Paul Small Boat Harbor St. Paul District U.S. Army Corps of Engineers

Bookmark and Share Email Print


Dredge Notice 17-36 St Paul Small Boat Harbor

Posted: 8/21/2017

Expiration date:


DN 17-36                                            DREDGING NOTICE

                                               U.S. ARMY CORPS OF ENGINEERS

                                                            ST. PAUL DISTRICT

 

NOTICE DATE: August 21st, 2017                            DREDGING CATEGORY: Imminent

MEETING DATE: If requested                                  MEETING TIME:

BOAT REQUIREMENT:                                           MEETING LOCATION:

DREDGE CUT NAME: St. Paul Small Boat Harbor             RIVER MILE: 839.6

 

HISTORIC DATA

Frequency: 43%                                                         Avg. Quantity/Job: 9,532 yd3

Year Last Dredged: Sept. 26, 2011                            Avg. Quantity/Year: 4,056 yd3

 

SURVEY DATA

Date Surveyed: August 21st, 2017

Water Surface Elevation: 686.7

Low Control Pool Elevation: 686.8

Net Difference: -0.1

5 Day River Forecast: steady increase

 

DREDGING DATA

Recommended Channel Width: Project Limits

Recommended Dredging Depth: 6 feet

Estimated Quantity: 6,643 yd3

Type of Dredge: Contract Mechanical

Proposed Dredging Date: August 22nd, 2017

Estimated Duration: 7 dredging days

Justification for Dredging: Water depths are less than the authorized project depth for a significant area of the harbor. 

 

MATERIAL PLACEMENT DATA

Proposed Placement Site: Southport

Location: 2-836.3-RMP

Site Characteristics: This is a historically used upland beneficial use site.

 

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

 

 

 

 

Dredge Mississippi River navigation sedimentation St Paul Small Boat Harbor St. Paul District U.S. Army Corps of Engineers