DN 14-14 DREDGING NOTICE
U.S. ARMY CORPS OF ENGINEERS
ST. PAUL DISTRICT
NOTICE DATE: August 2nd, 2014 DREDGING CATEGORY: Emergency
MEETING DATE: If requested MEETING TIME:
BOAT REQUIREMENT: MEETING LOCATION:
DREDGE CUT NAME: Grand Encampment RIVER MILE: 756.4 – 756.9
Frequency: 64% Avg. Quantity/Job: 42,199 yd3
Date Last Dredged: July 28th, 2014 Avg. Quantity/Year: 26,854 yd3
Date Surveyed: July 22nd, 2014
Water Surface Elevation: 667.3
Low Control Pool Elevation: 666.3
Net Difference: +1.0
5 Day River Forecast: Dropping Steadily
Recommended Channel Width: 200 feet
Recommended Dredging Depth: 12 feet
Estimated Quantity: 27,495 yd3
Type of Dredge: Government Hydraulic
Proposed Dredging Date: August 2nd, 2014
Estimated Duration: 3 dredging days
Justification for Dredging: The navigation channel is closed within the 9.0’ contours and closed within the 10.5’ contours.
MATERIAL PLACEMENT DATA
Proposed Placement Site: In-water re-handle matrices identified in the attached map.
Site Characteristics: This is an in-water re-handle emergency site that was identified to clear the channel to navigation as promptly and efficiently as possible.
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) 290-5154.