4 pm, July 22nd (high tide = 6pm)12th Street 19th Street
4 pm, July 22nd (high tide = 6pm)12th Street 19th Street
10th Street and Profile 43
16th Street and Profile 40
Lowest shore normal topography across the entire island – breached by Donna (1960)
Overwash from Donna?
Erosion Hotspot
hotspots???
Reach Subcomponent Project
Pine Knoll Shores East 107.7
Pine Knoll Shores West 165.0
Indian Beach / Salter Path 2 213.2 213.2
Emerald Isle East 60.9 (94.9)
Emerald Isle Central 161.6
Emerald Isle West 195.6
Bogue Inlet 167.8
*Note: 113.5 (129.7) refers to the volume of sand reported in 2009 and in parenthesis, the volume of sand if 300,000 cy w as added to Emerlad Isle East.
113.5 (129.7)* 113.5Phase II (2003)
193.7 193.7Phase III (2005)
Location Reach ID
1
3
4
Percent Fill Remaining (2009)
129.6 151.7Phase I (2001-02)
Quantity:
Up to 1,100,000 cubic yards
Disposal Location:
Ft. Macon / Atlantic Beach
Dredging Equipment
Hydraulic Pipeline (30-inch)
Contract 2 (Potential)
Quantity:
Up to 250,000 cubic yards
Disposal Location:
Near-Shore Disposal Area
Dredging Equipment
Ocean Certified Hopper Dredge
Contract 1
Quantity:
Up to 700,000 cubic yards
Disposal Location:
Brandt Island
Dredging Equipment
Hydraulic Pipeline (16-inch)
Potential Option
Quantity:
Up to 100,000 cubic yards
Disposal Location:
ODMDS
Dredging Equipment
Ocean Certified Hopper Dredge
Base Contract
Quantity:
Up to 750,000 cubic yards
Disposal Location:
Near-Shore Disposal Area
Dredging Equipment
Ocean Certified Hopper Dredge
Permit modification to #181-06 (Ophelia Replenishment Project)
- 50/50 split w/ Emerald Isle ($24,900)
- County = $12,450 maximum ($9,970 base + $2,480 option)
- Services include; sediment compatibility analysis, erosion and fill design assessment, permit modification, & refined dredging estimate.
Preliminary Costs for Hotspot Project (very preliminary and very maximum)
300,000 cy
- Federal “base plan” = $4,000,000 ($2,500,000 mob + $1,500,000 @ $5 unit)- Non Federal “delta” = $4,500,000 ($1,500,000 mob + $3,000,000 @ $10 unit)
Delta Subtotals (FY 2011-12)
- State (50%) = $2,250,000- County (25%) = $1,125,000- Emerald Isle (25%) = $1,125,000