Buxton P03 Project PlanRev30July2021

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Lighthouse Rd
Old Cape 01d `tghthouse Rd
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Dune - (3,500 If) I _
STA 1880+50 to 1915+00
I —South
Underwater
Pipeline
Reach 1 - Buxton (4,500 If) I Cooridor
STA 1880+50 to 1925+50
675,000 cy (150 cy/ft)
Note
Fill design is based on the beach condition in August 2020. The actual
limit of fill will be the +7 ft NAVD contour at the time of construction.
The final configuration and limits of beach construction will be determined
based on conditions at the time of construction and the aggregate total fill
volume that can be accomplished within the available budget for the
project. The indicated quantities are maximum amounts to be permitted.
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Survey Datum:
Horizontal: SPCS NAD'83 (Feet) NC Zone 3200
Vertical: NAVD'88 (Feet)
Notes: Data collected by Coastal Science & Engineering, Inc via RTK GPS:
Data collected: August 2020
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A t l a n t i c O c e a n
Note
The project will not fill or cover any emergency shore protection
structures such as sandbags. Buffers (no work areas)
alongshore will be maintained around areas of active bird
nesting at the time of construction in consultation with NPS
biologists. To extent practicable, the construction berm will
shift seaward of Mean Low Water at sites of nests then reenter
the existing beach outside of the buffer zone.
MHW (+1.05 ft NAVD)
MLW (-1.94 ft NAVD)
Applicant:
Dare County
954 Marshall Collins Dr.
Manteo, NC 27954
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P a m l i c o S o u n d
Cape Hatteras
National Seashore
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Reach 2 - National Seashore (11,500 If)
STA 1770+50 to 1880+50
525,000 cy (46 cy/ft)
(No dune to be constructed)
Note:
A minimum of two underwater pipeline corridors will be used
for transport of the sand slurry. From those points, land based
pipes will run along the constructed berm.
The order of beach filling alongshore will be determined in
consultation with the National Park Service (NPS) biologists so
as to avoid areas of active nesting by colonial water birds to
the extent practicable.
Project:
Beach Renourishment To Protect
NC Highway 12 At Buxton
Dare County, NC
—North
Underwater
Pipeline
Cooridor
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LEGEND ,
Approximate limits of dune fill
Approximate limits of dry sand beach at placement
Sloping beach fill to existing grade
DRAWING TITLE:
OVERALL PROJECT PLAN
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Scale (Feet)
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SCALE:
AS SHOWN
DATE:
30 July 2021
DRAWN BY: JJH
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APPROVED BY:
HLK
PROJECT#:
2403M