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Updated 09:29 CST on 25 Feb 2013
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Southwest Pass - New Orleans District

Project Information

Fiscal Year: 1997 Project Dates: 12/11/96 - 11/9/97
Contract Number: N/A
Project Description: Dredging between Mile 4 AHP and Mile 22 BHP and the Crossings. Eight hopper dredges, a cutterhead, and dustpan were used. Below Mile 19 BHP is area of concern for sea turtles in SWP (STA 164-D and seaward); 101 days dredging in area of concern.
Maintenace / New Work: Maintenance Federal / Regulatory: Federal
Total Project Cubic Yards: 2000000 Total Days of Dredging: 456 Total Hours of Dredging: 0
Type of Material: N/A Disposal Method(s) for Material: Agitation, dredge & haul mode
Total Turtle Takes: 0  
Observer Company Used: Coastwise Consulting (Ouachita, Stuyvesant, Wheeler); REMSA (?)

Predredge Trawling

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

Relocation Trawling

Relocation Trawling? No
Relocation Company: N/A
Loggerheads: Greens:
Kemp's Ridley: Leatherbacks:
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: Windows (11/30-3/31), Deflectors used on Eagle 1 but unsure if other dredges had deflectors (8 total).
Other Remarks: Cubic yards an approximation. See "Baird, B.; Creef, E.; Thibodeaux, B. 1996. Water quality monitoring for sea turtle migration during dredging operations. Miscellaneous Paper W-95-1. Water Quality '96: Proceedinging of the Corps of Engineers 11th Seminar on Water Quality, 26 Feb-1 Mar 1996, Seattle, WA. U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS. Pages 191-196. Southwest Pass exempt from turtle observations

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 25, 2013
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