DN 19-05 DREDGING NOTICE
U.S. ARMY CORPS OF ENGINEERS
ST. PAUL DISTRICT
NOTICE DATE: May 18th, 2019 DREDGING CATEGORY: Emergency
MEETING DATE: If requested MEETING TIME:
BOAT REQUIREMENT: MEETING LOCATION:
DREDGE CUT NAME: Grand Encampment RIVER MILE: 755.8 – 756.8
HISTORIC DATA
Frequency: 67% Avg. Quantity/Job: 44,587 yd3
Date Last Dredged: November 19th, 2018 Avg. Quantity/Year: 30,028 yd3
SURVEY DATA
Date Surveyed: May 16th, 2019
Water Surface Elevation: 668.7
Low Control Pool Elevation: 666.3
Net Difference: +2.4’’
5 Day River Forecast: Holding steady
DREDGING DATA
Recommended Channel Width: 300 feet
Recommended Dredging Depth: 11 feet
Estimated Quantity: 7,154 yd3
Type of Dredge: Government Mechanical Plant 2
Proposed Dredging Date: May 18th, 2019
Estimated Duration: 5 – 12 hour dredging days
Justification for Dredging: The navigation channel is closed between the 9.0’and 10.5’ contours.
MATERIAL PLACEMENT DATA
Proposed Placement Site: Teepeeota Point
Location: 4-757.5-LWT
Site Characteristics: This is a historically used temporary placement site.
If you have any questions concerning this project, or if you would like to request an on‑site meeting, please call a dredging manager at (651) 290-5155.