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Updated 15:37 CST on 20 Feb 2013
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Southwest Pass - New Orleans District

Project Information

Fiscal Year: 1996 Project Dates: 2/12/96 - 9/13/96
Contract Number: DACW29-96-C-0068
Project Description: Dredging between Mile 4 above Head of Passes & Mile 22 Below Head of Passes. Five hopper dredges, a cutterhead, and a dustpan dredge were used to complete project. A portion of the work included dredging at the MS River Crossings located north of New Orleans. Below Mile 19 BHP is area of concern for sea turtles in SWP (STA 164-D and seaward). Fifty days of dredging was conducted in this area.
Maintenace / New Work: Maintenance Federal / Regulatory: Federal
Total Project Cubic Yards: 14221013 Total Days of Dredging: 376 Total Hours of Dredging: 0
Type of Material: Sand, silt, mud, clay Disposal Method(s) for Material: Dredge & haul & agitation modes
Total Turtle Takes: 0  
Observer Company Used: Coastwise Consulting

Predredge Trawling

Predredge Trawling Company: N/A  
Predredge Trawling? No
N/A
Are Predredge Reports Available? No
Loggerheads: 0 Greens: 0
Kemp's Ridley: 0 Other: 0

Relocation Trawling

Relocation Trawling? No
N/A
Relocation Company: N/A
Loggerheads: Greens:
Kemp's Ridley: Leatherbacks:
Hawksbill:
Total number turtles relocated: 0 Are Relocation Reports Available? No
Are Dredging Records Available? No Are original turtle take data still available? No
Description of mitigation measures/dates used: Deflectors were available and used when observers were on board the dredge, windows (11/30-3/31)
Other Remarks: Surface and mid-depth temperatures during the project ranged from 16.6-31° C. One unknown sea turtle species sighted in or near channel on 7/14/96. Low abundance of prey items and biological material detected during screen monitoring. Habitat monitoring data (depth, salinity, surface suspended solids) available in 1996 Sea Turtle Annual Report.

Dredges for Project:

Turtle Takes during Project:

  • There were no turtle takes by a dredge

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Webdate: January 14, 2005
Updated: February 20, 2013
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