DN 20-39 DREDGING NOTICE
U.S. ARMY CORPS OF ENGINEERS
ST. PAUL DISTRICT
NOTICE DATE: September 8th, 2020 DREDGING CATEGORY: Imminent
MEETING DATE: If requested MEETING TIME:
BOAT REQUIREMENT: MEETING LOCATION:
DREDGE CUT NAME: Wilds Bend RIVER MILE: 730.2 – 730.7
HISTORIC DATA
Frequency: 48% Avg. Quantity/Job: 25,448 yd3
Last Date Dredged: May 30th, 2017 Avg. Quantity/Year: 12,215 yd3
SURVEY DATA
Date Surveyed: September 1st, 2020
Water Surface Elevation: 649.8
Low Control Pool Elevation: 649.8
Net Difference: 0.0
5 Day River Forecast: Holding Steady
DREDGING DATA
Recommended Channel Width: 450 feet
Recommended Dredging Depth: 12 feet
Estimated Quantity: 31,599 yd3
Type of Dredge: Contract Mechanical Plant 2
Proposed Dredging Date: September 9th, 2020
Estimated Duration: 16 Dredging Days
Justification for Dredging: The navigation channel is restricted to 390’ between the 9.0’ contours and 330’ between the 9.0’ contours on a recommended bend width of 450’.
MATERIAL PLACEMENT DATA
Proposed Placement Site: Fountain City 1
Location: 5A-731.9-LWP
Site Characteristics: This is a historically used upland beneficial use placement site, all material is expected to be removed.
If you have any questions concerning this project or request an onsite meeting, please call a dredging manager at (651) 290-5155.