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Shoreline Protection Emergency Restoration Plan. April 20, 2011. Plan Overview.
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Shoreline Protection Emergency Restoration Plan April 20, 2011
Plan Overview Goal: To protect areas where the marsh vegetation was highly impacted by the DWH Spill in order to avoid irreversible losses and reduce the continuing threat to natural resources located in areas of coastal Louisiana. • Site Selection • Local Coordination • Field Reconnaissance • Phased Approach Photo Credit: NOAA
Phase 1: Potential Shoreline Protection Areas Photo Credit: NOAA
Reach - H Location: Plaquemines Parish Reach Length: .27 miles Photo Credit: NOAA
Reach - I Location: Plaquemines Parish Reach Length: .91 miles Photo Credit: NOAA
Reach - J Location: Plaquemines Parish Reach Length: .87 miles Photo Credit: NOAA
Reach - K Location: Plaquemines Parish Reach Length: .47 miles Photo Credit: NOAA
Lightweight Shoreline Protection Options • Examples of Types of Lightweight Protection Treatments Being Considered • Lightweight gabions (TE-45 Terrebonne Bay Shore Demo): Rock or shell filled steel baskets • Deltalok – sandbag mat • Submerged articulated concrete revetment mats (TE-41 Mandalay Bay Demo) • Oyster Shells • Floating Island Technologies – Pre-planted matrix
South Pass Spit Location: Plaquemines Parish Reach Length: 1.88 miles* *Approximate length to be surveyed for sand fencing if implemented Photo Credit: NOAA
REACH: FOURCHON BEACH Location: Lafourche Parish Reach Length: 3.73 miles * Approximate length to be surveyed for sand fencing if implemented
Next Steps • Design and Permit Phase 1 Areas • File for CIAP Modification • Bid Construction • Sequence Construction with Ongoing Shoreline Treatments • Develop Phase 2 Plans Photo Credit: NOAA