April 20, 2011
Shoreline Protection Emergency Restoration
Plan
Photo Credit: NOAA
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
Barataria Bay
REAC
H -
H
Photo Credit: NOAA
Reach - H
Location: Plaquemines ParishReach Length: .27 miles
REAC
H -
I
Photo Credit: NOAA
Reach - I
Location: Plaquemines ParishReach Length: .91 miles
REAC
H -
J
Photo Credit: NOAA
Reach - J
Location: Plaquemines ParishReach Length: .87 miles
REAC
H -
K
Photo Credit: NOAA
Reach - K
Location: Plaquemines ParishReach Length: .47 miles
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
REAC
H: S
OU
TH P
ASS
SPIT
Photo Credit: NOAA
South Pass Spit
Location: Plaquemines ParishReach Length: 1.88 miles*
*Approximate length to be surveyed for sand fencing if implemented
REAC
H: F
OU
RCH
ON
BEA
CHLocation: Lafourche ParishReach Length: 3.73 miles
* Approximate length to be surveyed for sand fencing if implemented
Photo Credit: NOAA
Next Steps
• Design and Permit Phase 1 Areas• File for CIAP Modification• Bid Construction• Sequence Construction with Ongoing Shoreline
Treatments• Develop Phase 2 Plans