Oregon Inlet Q4 9/28/2022

EVENT 2 - Q4 2022 OREGON INLET
CHANNEL MAINTENANCE PROJECT
DARE COUNTY, NORTH CAROLINA
PROJECT AREA
BODIE
ISLAND
OREGON
INLET
ATLANTIC
PEA OCEAN
ISLAND
PAMLICO SOUND
0 12500 25000
GRAPHIC SCALE IN FT
P ��°
PROJECT LOCATION
RALEIGH _
CAPE HATTERAS
CHARLOTTE �-��
NO
JACKSONVILLE• MOREHEAD CITY
CAPE LOOKOUT
N.T.S. CAPE FEAR
ATLANTIC
OCEAN
SHEET INDEX
1 COVER SHEET
2 PROJECT OVERVIEW
3 OREGON INLET & OCEAN BAR CHANNEL PLAN VIEW
4 OREGON INLET TO HELLS GATE CHANNEL PLAN VIEW
5 OREGON INLET TO HELLS GATE WEST AND OLD HOUSE CHANNEL PLAN VIEW
6 OREGON INLET & OCEAN BAR CHANNEL CROSS SECTIONS A -A' & B-B'
7 OREGON INLET TO HELLS GATE CHANNEL CROSS SECTIONS C-C', D-D' & E-E'
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.
3. DATE OF AERIAL PHOTOGRAPHY: FEBRUARY 15, 2020.
4. SURVEY DATA COLLECTED BY THE USACE ALONG THE OREGON INLET WEST, SURROUNDING OREGON INLET
BRIDGE, AND OCEAN BAR CHANNEL; AUGUST 9, 2022 (OREGON INLET BAR), AUGUST 5 & 10, 2022 (OREGON
INLET WEST) & AUGUST 4, SEPTEMBER 6 & 19, 2022 (SURROUNDING OREGON INLET BRIDGE).
I C!'` C 1..1 rl\
DREDGE AREA
— — PERMITTED CHANNEL CORRIDOR
13 USCG BUOY LOCATION
k SHIPWRECK LOCATION
� a
Z
2
W
W V
Z Z
t9
Z a
Wz_
z
o°
oc
V M
M
I - N
W V U
w
OC OC a
IL
0 U_
ZLL
aoQL)
y C Dow
/p Cc,),w
V 0 Z J
z
o'o§
c9
Qzw
-z
00
z
,4�w
J
w
Z
z
Q Q
= z
U
J
JUG
w
Z O U W
0 a w
w
v7
Luz°z a
OQ w
N z >
N�Z 0
�z� U
O
w
N Q
Z
w
w
DRAWING NO.
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY
CS-1
SHEET 1 OF 7

NOTE:
1. PLACEMENT OF DREDGE SPOIL MATERIAL ON DISPOSAL
ISLAND MN, L, AND C IS NOT INCLUDED IN THE
PROPOSED ACTION.
2. PROPOSED OREGON INLET AND OCEAN BAR CHANNEL
DREDGE AREAS ARE NOT FIXED AND RATHER FOLLOW DEEP
WATER AT TIME OF MAINTENANCE. LOCATION SHOWN IS
REPRESENTATIVE ONLY AND WILL CHANGE BASED ON
BATHYMETRY AT TIME OF MAINTENANCE.
3. PORTION OF OREGON INLET TO HELLS GATE CHANNEL
DREDGE AREA SHOWN ON PV-2 AND PV-3 IS FIXED FOR
EVENT 2.
4. PLACEMENT OF DREDGE SPOIL MATERIAL WILL BE
PERMITTED WITHIN DEEP SCOUR HOLES AROUND THE N 763000
BONNER BRIDGE AND IN THE NEARSHORE DISPOSAL AREA
OFFSHORE PEA ISLAND.
5. NEARSHORE DISPOSAL AREA INCLUDES THE -2,500 FOOT
PORTION OF THE ACTIVE BEACH PROFILE THAT EXTENDS
FROM 0.0 FT. NAVD88 CONTOUR OUT TO THE -24.0 FT.
NAVD88 CONTOUR.
m
w
0
O
O
O
DISPOSAL
N 753000 ISLAND "L"
OLD HOUSE CHANNEL -
RANGE 1
DISPOSAL
ISLAND "MN"
i
L �
m
w
0
O
O
NOT FOR CONSTRUCTION O N 743000
FOR REGULATORY REVIEW ONLY
MARC BASNIGHT BRIDGE
PERMITTED CHANNEL
CORRIDOR
i
i
OREGON INLET TO
HELLS GATE CHANNEL
(WEST)
PAMLICO
SOUND
m
m m
W W
O O
W �
O O
0 0
VI\LVVIY 11YLL1 IV
HELLS GATE CHANNEL
(ALTERNATE ROUTE)
m
w
O
W
O
O
O
ATLANTIC
OCEAN
OREGON INLET AND
OCEAN BAR CHANNEL
TION OF HERBERT C.
NER BRIDGE TO REMAIN
0 1250 2500
m
GRAPHIC SCALE IN FT w
O
N 743000 o
W)
0
rn
c�
rn
M
0
a;
� a
Z
OC
W
W V
Z Z
Z a
Wz_
Z J
° °
oc
M
M
U
W
w
OC 0~C a
IL ° U
Z
Q L LU
y ° pow
/° O N w
V ' z
z
0 �
cD
Qzw
� z
mjz
,4�w
wQ wY nY E
V rL Ul V
N p
N w
0
v ID
�z
rj
va �� oa
0 0 0 -
v
v
v
v
J
w
Z
Z
Q Q
= Z
U
J
wUO
Z_ rw- U H
Z Ua' 2 >
O a F Lu
Lu
�zz O
� z U
w
o'z
Nzo p
U a
w
N Q
Z
w
w
DRAWING NO.
PV-1
SHEET 2 OF 7

LIB
OREGON INLET TO
HELLS GATE CHANNEL
(ALTERNATE ROUTE)
PAMLICO
SOUND
I
19
14
0
PORTION OF HERBERT C.
E303pp0 �` BONNER BRIDGE TO REMAIN
ELIZABETH CHRISTINE
ul
O
o -
PEA ISLAND
00
O
PROPOSED
INSHORE
DISPOSAL AREA
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY
•
,
MARC BASNIGHT
BRIDGE
OREGON
INLET
NOTE:
CD
0
1.
PROPOSED OREGON INLET AND OCEAN BAR CHANNELS IS NOT
o
FIXED AND RATHER FOLLOW DEEP WATER AT TIME OF
a;
MAINTENANCE. LOCATION SHOWN IS REPRESENTATIVE ONLY
Z
a
AND WILL CHANGE BASED ON BATHYMETRY AT TIME OF
z
MAINTENANCE.
w
2.
PLACEMENT OF DREDGE SPOIL MATERIAL WILL BE PERMITTED
,
Z Z
IN THE PROPOSED INSHORE DISPOSAL AREA WHERE DEEP
SCOUR HOLES AROUND THE BONNER BRIDGE EXIST AND IN
THE NEARSHORE DISPOSAL AREA OFFSHORE PEA ISLAND.
W Z
3.
NO SIDECAST DREDGING IS ANTICIPATED TO BE CONDUCTED
Z C
2
IN Q4-2022 BY THE MISS KATIE.
M
a
I -
V
Wul
N
c�
W
I
LL
/
-1
Q {L
� U
0
G 3030°00
p
o N W
0 Z J
Z
/
O��
(7
azw
/
� - Z
00 � Z
oi-�W
DRILL RIG
^o
o�
NO DREDGE ZONE
3 g
/ °°° /
f
OREGON INLET AND
OCEAN BAR CHANNEL
W.G. TOWNSEND
/ z
2
Lu
0
/ 2
�m Z
-� v i Zo
ATLANTIC vY UY
E
V rL Ul V
N
OCEAN N
W
0
z
ANGEL DAWN / L\
va � � �a
0 0 0 -
v
v
BOSS LADY
/ J
PERMITTED CHANNEL z
/ CORRIDOR z
pp0 L U 0,o w
3035 z a z
O a w = w
(DLu JUG
/ w U O Z
� z Z H Q
m
o� Z
ozg
N� NZO W w
°<U OU
W o
N a
/ L o
z
W
0 500 1000 W
/ DRAWING NO.
2 GRAPHIC SCALE IN FT
o / PV-2
0
SHEET 3 OF 7

NOTE:
1. PORTION OF OREGON INLET TO HELLS GATE
CHANNEL DREDGE AREA IS FIXED FOR
EVENT 2.
2. PLACEMENT OF DREDGE SPOIL MATERIAL
WILL BE PERMITTED IN THE PROPOSED
INSHORE DISPOSAL AREA WHERE DEEP
SCOUR HOLES AROUND THE BONNER
BRIDGE EXIST AND IN THE NEARSHORE
DISPOSAL AREA OFFSHORE PEA ISLAND.
3. SIDECAST DREDGING MAY BE CONDUCTED
IN Q4-2022 BY THE MISS KATIE AS NEEDED
TO ESTABLISH SUFFICIENT DEPTH TO LOAD.
A& Ak " , N
,\oo
- OREGON INLET TO HELLS
D'
GATE CHANNEL (WEST)
Lr�
25A
o�
R
MARC BASNIGHT
�— RIDGE
��\
s\ Q o
�o
PAMLICO °
SOUND
\ P oo,
PERMITTED CHANNEL
CORRIDOR �, E
E l 600 �.5
OREGON INLET TO -►�
HELLS GATE CHANNEL ^ N -
(ALTERNATE ROUTE) M " y
e^!
o°
o°
o
0 450 900
NOT FOR CONSTRUCTION o`ti
FOR REGULATORY REVIEW ONLY GRAPHIC SCALE IN FT
23
00
o
M
oC
W
W V
Z Z
x
Wz
Z J
O O
OC
W
24 c F W
\\ d o �
ZLL
ti BODIE a Q
0
ISLAND a 2-.z
O J Lu
\2
\ V �zJ
zo mz
it ° w
/ < z zLU
w
19
PORTION OF HERBERT
BONNER BRIDGE TO REMAIN
*, PROPOSED INSHORE
N . DISPOSAL AREA
OI�GON
INL
o
Z
13 �� ID
�12 v b Zo
c�a r[Y UY VLu
�O
v m�
0 �O V a
Lu
0 0 a
\ a
a
►�( u z
Lu O z
J
z�a F-z
Oaf JU W
Lu
zz
�O ONzr O Qg
Lu
ozo (D Ja
� 2: O w
�^ CY L 2
a
1 L 17l
w
w
\1 DRAWING NO.
PV-3
SHEET 4 OF 7

0-
-5-
w
Lu
- 10-
J
J
-15-
Z
O
F
j -20-
W
W
-25-
CROSS SECTION A -A'
B-B'
EXISTING GRADE
AUGUST 9, 2022
JI
s
I
/ J
I
I
MAXIMUM AD EL.
_ -16.0 ' MLLW
0
-5
-10
-15
-20
-25
1000 2000 3000 4000 5000 6000 7000
DISTANCE ALONG SECTION (FEET)
o 500
o
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
CROSS SECTION B-B'
5-
0-
Lu
W
W
u, -5-
J
J
10-
Z
O
15-
W
J
W
_20-
EXISTING GRADE
AUGUST 9, 2022
1L
s
J1
s
1
�
MAXIMUM AD EL. 4
_ -16.0 ' MLLW
0'
5
0
-5
-10
-15
-20
-1000 -500 0 500 1000
DISTANCE FROM CENTERLINE (FEET)
O250 � 0
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
z
2
W
Lu
z z
0—
W�
z J
OF.
O
v
Lu_
w
IL
O U
JZ �
H p a
N ow °
Q o�z
O w
ci 0
z
mzz -
o,rc
azw
2-z
m2F,
a w
n
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY

5
w 0
w
w
-5
J
z
0 -10
a
Lu 15
w
5-
w 0-
w
LL
-5-
J
Z
O -10-
F
w
w 15
CROSS SECTION C-C'
D-D' E-E'
EXISTING GRADE
SEPTEMBER 19, 2022
III `I141 II
~ Mf
T
I
I
MAXIMUM
MAW L
I
5
0
-5
-10
-15
-500 0 1000 2000 3000 4000 5000 6000 7000 7500
DISTANCE ALONG SECTION (FEET)
0500 � 0
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
CROSS SECTION D-D'
EXISTING
GRADE
SEPTEMBER
19, 2022
1L
�J1
100'
MAXIMUM AD EL.
_ -10.0' MLLW
5
5-
0
w
0-
w
w
-5
-5-
z
-10
0
-10-
-15
15
w
-500 -250 0 250 500
DISTANCE FROM CENTERLINE (FEET)
0125 �0
VERTICAL GRAPHIC SCALE IN Fr HORIZONTAL GRAPHIC SCALE IN Fr
CROSS SECTION E-E'
EXISTING GRADE
SEPTEMBER 19, 2022
1L
J1
MAXIMUM AD EL.
_ -10.0' MLLW
5
0
-5
-10
-15
-500 -250 0 250 500
DISTANCE FROM CENTERLINE (FEET)
0125 �0
VERTICAL GRAPHIC SCALE IN FT HORIZONTAL GRAPHIC SCALE IN FT
V' i
z
2
W
LU
Z Z
0.
W�
Z J
O
Fa a
ti
H = #
w
O U
JZ
H p a
too° w
Q olz
O w
u �uu
z
z
,oz
Qzw
2-Z
m2E5
aw
NOT FOR CONSTRUCTION
FOR REGULATORY REVIEW ONLY