DN 15-26 DREDGING NOTICE
U.S. ARMY CORPS OF ENGINEERS
ST. PAUL DISTRICT
NOTICE DATE: August 11th, 2015 DREDGING CATEGORY: Imminent
MEETING DATE: If requested MEETING TIME:
BOAT REQUIREMENT: MEETING LOCATION:
DREDGE CUT NAME: Morgans Coulee RIVER MILE: 802.0 – 803.0
HISTORIC DATA
Frequency: 22% Avg. Quantity/Job: 22,678 yd3
Date Last Dredged: September 3rd, 2014 Avg. Quantity/Year: 5,040 yd3
SURVEY DATA
Date Surveyed: August 6th, 2015
Water Surface Elevation: 674.3
Low Control Pool Elevation: 673.9
Net Difference: 0.4’
5 Day River Forecast: Steady Decline
DREDGING DATA
Recommended Channel Width: 300 feet
Recommended Dredging Depth: 12 feet
Estimated Quantity: 27,629 yd3
Type of Dredge: Contract Mechanical
Proposed Dredging Date: August 13th, 2015
Estimated Duration: 12 dredging days
Justification for Dredging: The navigation channel is restricted to 175 feet between the 10.5’ contours and 315 feet between the 9.0’ contours.
MATERIAL PLACEMENT DATA
Proposed Placement Site: Corps Island
Location: 3-799.2-RMT
Site Characteristics: This is a historically used transfer site.
If you have any questions concerning this project, or if you would like to request an on‑site meeting, please contact the Channel Maintenance Coordinator at (651) 290-5155.