Attachment 2 - Construction Drawings February 23, 2023

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GRAPHIC SCALE IN FT
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CHARLOTTE 9-(YA C'P
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N.T.S. CAPE FEAR
HATTERAS INLET MAINTENANCE PROJECT
DARE COUNTY, NORTH CAROLINA
SHEETINDEX
I COVER SHEET
2 PROJECT OVERVIEW
3 CONNECTOR CHANNEL PLAN VIEW
4 WESTERN CONNECTOR CHANNEL CROSS SECTIONS
5-6 EASTERN CONNECTOR CHANNEL CROSS SECTIONS
GENERAL NOTES:
1. COORDINATES ARE IN FEET BASED ON NORTH CAROLINA STATE PLANE COORDINATE SYSTEM, NORTH AMERICAN
DATUM 1983,(NAD83)
2. ELEVATIONS ARE REFERENCED TO MLLW. PERMITTED DREDGE DEPTH IS RELATIVE TO THE MLW DATUM BEING
APPROXIMATELY 0.08' ABOVE MLLW PER NOAA PID EX0400.
3. DATE OF AERIAL PHOTOGRAPHY: CS-1, PV-1 AND PV-2, 2020 NAIP IMAGERY,
4. SURVEY DATA COLLECTED BY EJE DREDGING SERVICES. FEBRUARY 09, 2023.
5. BATHYMETRIC CONTOURS REPRESENT THE CONDITIONS OF THE CHANNEL ON FEBRUARY 09, 2023 AND SHOULD
NOT BE RELIED ON FOR NAVIGATION PURPOSES.
LEGEND
CROSS SECTION LINE
HAT-03-V-18 HATTERAS INLET BORINGS 2003 AND ID
NEARSHORE DISPOSAL AREA
)` 1 SUBMERGED AQUATIC VEGETATION AND 100 FT. BUFFER
LCAPEHATTERAS
PROJECT LOCATION NO -DREDGE AREA (100-FOOT BUFFERON CABLE CROSSING)
REHEAD CITY
LOOKOUT ASBUILT EXISTING CABLE ROUTE (CALDWELL CABLE VENTURES)
EXISTING CABLE ROUTE (UTILITY ELECTRICAL CONSULTANTS, PC)
ASBUILT NEW CABLE ROUTE
ATLANTIC
OCEAN
+0.41'
+0.08' MLW i
+0.00' MLLW T
TIDAL DATUM
TIDAL DATUM REFERENCE BASED ON NOAA TIDE
STATION ID 8654467 EPOCH 1983-2001"
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(NOT CLEARED FOR CULTURAL RESOURCES)
_ NEARSHORE DISPOSAL
�-LOCATION
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4REA HAT-03-V-10
Q HATTERAS
0 HAT-03-V-11
GHAT-03-V-12
3
TERAS
VLET
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0 1000 2000
GRAPHIC SCALE IN FT
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PV-1

CROSS SECTION A -A'
I
4 A B-B' C-C'
0
A
-8
-12
-16
-20
4
0
-6
-12
-16
-20
0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 19+00 20+00 21+00 22+00 23+00 24+00 25 00 26+00
DISTANCE ALONG PROFILE (FEET) NO DREDGE AREA
WESTER CONNECTOR CHANNEL.
MHW_EL. +0.52'_
___ ______
______ ------
------
------
-,-�
MLW EL.
+0.08'
FEBRUARY 09, 2023
EXISTING GRADE-/
i
-�
MAXIMUM AD EL. =-11.92'MLLW
TARGET
AD EL. =-11.92'MLLW
11 1
MHW EL.+0.52
WO'oo MLW EL.+0.08
W
3 -4.00
J
-8.00
Z 1 L
-12.00 3
w -1B_00
CHANNEL
-20 00 WIDTH 2O0'
-150 -100
CROSS SECTION B-B'
A -A'
FEBRUARU 09, 2023
EXISTING GRADE
1
1
billift 3
I
)EL. =-11.92'MLLW- ARGET AD EL. =-10.
-50 CL 50 100
DISTANCE ALONG SECTION (FEET)
B'
4.00
0.00
-4.00
-8.00
-12.00
D' MLLW16.00
J -20.00
150
C 4.00
0.00
MI
f
LL
-4.00
f
-8.00
Z
-12.00
_
W
-16.00
-20.00
-150
1, ELEVATIONS ARE REFERENCED TO MLLW. PERMITTED DREDGE
DEPTH IS RELATIVE TO THE MLW DATUM BEING APPROXIMATELY
0.0V ABOVE MLLW PER NOAA PID EX0400
2. MAXIMUM AD EL, OF.11.92'MLLW SHOWN ON CROSS SECTIONS
IS EQUAL TO .12.00'MLW PER NOAA PID EX0400.
-100
CROSS SECTION C-C'
A -A' C'
4.00
0.00
-4.00
-8.00
-12.00
-16.00
-11.92' MLLW
-20.00
-50 CL 50
o.oFe so..ti%
DISTANCE ALONG SECTION (FEET)
o,9it!
rAFTIPo`
W

D (0+00 TO 13+00) CROSS SECTION D-D'
A E-E F-F 4
0
-4
-8
-12
-16
-20
0
-4
-8
-12
-16
-20
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 12+00 13+00
DISTANCE ALONG SECTION (FEET)
EASTERN CONNECTOR CHANNEL.
MHW EL. +0.52'
I
MLW EL.+0.08'
-l-/-l-1
FE 20
-
--/-/-J-
I
EXISTING GRADE
I
1
EL.--11.92'MLLW
TARGET AD
EL.=-11.92'MLLW
i NO DREDGE
AREA
CROSS SECTION E-E'
4.00E D-D'
W 0.00
UU
-4.00
J
-8.00
O
-12.00
W -16.00
MHW EL.+0.52'
MLW EL.+0.08'
I
FEBRUARY 09, 2023
EXISTING GRADE
3
HANNELy
TARGET
EL=-11.92'
MAXIMUM AD EL.
=-11.92- MLLW
-150 -100 -50 Q 50 100
DISTANCE ALONG SECTION (FEET)
F
4.00 4 00
0.00
W
0.00
-4.00
Ur
-4.00
-8.00
-8.00
Z
O
2.00
-12.00
LL
-16.00
W
-16.00
-20 00
CROSS SECTION F-F'
D-D'
F 4 00
MHW EL, +0.52'
MLW EL.+0.08'
FEBRU IRY 09, 2023
EXISTING GRADE
P�NEL
RGETADEL.
-11.92'MLL
1T
MAXIMUM
EL.=-11.92'
LL
150 -150
-100 -50 50 100
DISTANCE ALONG SECTION (FEET)
1. ELEVATIONS ARE REFERENCED TO MLLW. PERMITTED DREDGE
DEPTH IS RELATIVE TO THE MLW DATUM BEING APPROXIMATELY
0.08' ABOVE MLLW PER NOM PID EX0400
2. MAXIMUM AD EL. OF-11.92'MLLW SHOWN ON CROSS SECTIONS
IS EQUAL TO -1 2.00'MLW PER NOM PID EXD400.
0.00
-4.00
-8.00
-12.00
-16.00
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cA
pFESs; ti��2 =;
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1q�•�2 =
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CROSS SECTION D-D' (13+00 TO 28+00)
4 G-G' H-H' Q 4
MHW EL. +0.52'
MLW EL.+ ,OB'
I
-4 FERBUARY 09, W23 -4
EXISTING GRADE
-8 -8
-12 -- - I --- -12
I I
-16 MAXIMUM AD EL. =-11.92'MLLW TARGET AD EL.=-11.92'MLLW 16
I
20 -20
13+00 14+00 15+00 16+00 17+00 18+00 19+00 20+00 21+00 22+00 23+00 24+00 25+00 26+00 27+00 28+00
DISTANCE ALONG SECTION (FEET)
EASTERN CONNECTOR CHANNEL.
CROSS SECTION G-G'
A nn D D 4 00
W 0.00
W
W
-4.00
J
Z -8.00
O
> -12.00
LU
W -16.00
MHW EL. -0.52'
_____
---�/JI
_________
_____
____
MLW EL.+0.08'
I
FEBRUARY 09,
2023
11
EXISTING GRADE
3
fI
AD EL =-11.9
TARGET
MAXIMUM
AD EL=-11.92'MLLW
-
CHANNEL
y
DTH 200'
0.00
-4.00
-8.00
-12.00
2' MLLW
-16.00
-20 00
-150 -100 -50 Ct 50 100 150
DISTANCE ALONG SECTION (FEET)
CROSS SECTION H-H'
4.00 H D-D'
F 0.00
WW
3 -4.00
J
J
-8.00
a -12.00
W -16.00
-20 00
H'
MHW EL.+0.52'
-----
____ ____
_____
MLWEL.+0.08'
I
I
FEBRUARY 09, 2023
EXISTING GRADE
-
TARGET AD EL. =-11.92'
MLLW
CHANNEL
WIDTH 2O0'
-
MAXI MUM AD EL.=-11.92'MLLW
-150 -100 -50 50
1. ELEVATIONS ARE REFERENCED TO MLLW. PERMITTED DREDGE
DEPTH IS RELATIVE TO THE MLW DATUM BEING APPROXIMATELY
0.08' ABOVE MLLW PER NOAA PID EX0400
2. MAXIMUM AD EL. OF-11.92' MLLW SHOWN ON CROSS SECTIONS
IS EQUAL TO-12.00' MLW PER NOAA PID EX0400.
DISTANCE ALONG SECTION (FEET)
4.00
0.00
-4.00
-8.00
-12.00
-16.00