20150879 Ver 1_Public Notice_20150828

Burdette, Jennifer a
From: Spencer, Thekla M SAW <Thekla.M.Spencer @usace.army.mil>
Sent: Friday, August 28, 2015 8:56 AM
Subject: US Army Corps of Engineers Public Notice (UNCLASSIFIED)
Classification: UNCLASSIFIED
Caveats: NONE
As you requested, you are hereby notified that the Wilmington District, United States Corps of Engineers, has issued a
Public Notice. The text of this document can be found on the Public Notices portion of the Regulatory Division Home
Page. Each Public Notice is available in ADOBE ACROBAT (.pdf) format for viewing, printing or download
at: http: / /www.saw.usace.armv.miI/ Missions /ReRuIatorvPermitProRram.asox.
The current notice involves:
Corps Action ID #: SAW- 2011 -01914
Issue Date: August 28, 2015
Applicant: Town of Holden Beach, Brunswick Co., NC
Expiration Date: October 13, 2015
Point of Contact: Emily B. Hughes
Project Description: The Wilmington District, Corps of Engineers (Corps) received an application from the Town of
Holden Beach (Town) seeking Department of the Army authorization to discharge fill material into waters of the United
States, associated with the construction of a 700 -ft -long terminal groin with a 300 -ft shore anchorage system and
associated long -term beach nourishment component, in order to address erosion and protect infrastructure, roads,
homes, beaches, dunes and wildlife habitat in Holden Beach, Brunswick County, North Carolina. Specific plans and
location information are described below and shown on the attached plans.
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Classification: UNCLASSIFIED
Caveats: NONE

1 I
US Army Corps
PUBLIC NOTICE
Of Engineers
Wilmington District
Issue Date: August 28, 2015
Comment Deadline: October 13, 2015
Corps Action ID Number: SAW- 2011 -01914
The Wilmington District, Corps of Engineers (Corps) received an application from the
Town of Holden Beach (Town) seeking Department of the Army authorization to
discharge fill material into waters of the United States, associated with the construction of
a 700 -ft -long terminal groin with a 300 -ft shore anchorage system and associated long-
term beach nourishment component, in order to address erosion and protect
infrastructure, roads, homes, beaches, dunes and wildlife habitat in Holden Beach,
Brunswick County, North Carolina. Specific plans and location information are described
below and shown on the attached plans.
This notice serves to announce receipt of a DA permit application in accordance with 33
CFR 325.3, and release of the draft Environmental Impact Statement (DEIS) for this
project in accordance with 33 CFR 325 Appendix B, and 40 CFR 1502.19 - 1506.10.
Comments will be received for 45 days, with an end comment period date of October 13,
2015. A public hearing to receive public comment will be held at the Holden Beach
Town Hall at 110 Rothschild Street, Holden Beach, NC 28462, on September 24th, at
6:00pm. Beginning August 28, 2015, the DEIS may be obtained from the following link:
httn: / /www.saw.usace.armv.mil/ Missions /RepulatorvPennitProaam/Mai orProi ects
Comments received from the DEIS will be used in the development of a Final EIS (FEIS)
for this project.
APPLICANT:
Town of Holden Beach
Attn: Mr. David Hewett, Town Manger
AGENT (if applicable):
Dial Cordy & Associates
Attn: Mrs. Dawn York, Project Manager
Authority
The Corps evaluates this application and decides whether to issue, conditionally issue, or
deny the proposed work pursuant to applicable procedures of the following Statutory
Authorities:
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Z Section 404 of the Clean Water Act (33 U.S.C. 1344)
® Section 10 of the Rivers and Harbors Act of 1899 (33 U.S.C. 403)
❑ Section 103 of the Marine Protection, Research and Sanctuaries Act of 1972
(33 U.S.C. 1413)
Location
The project site is located on the eastern portion of Holden Beach and within the
Lockwood Folly Inlet complex, and will encompass approximately 1.0 mile of oceanfront
shoreline on Holden Beach, Brunswick County, North Carolina.
Directions to Site: Holden Beach, North Carolina, is located 35 miles south of
Wilmington, NC and 40 miles north of Myrtle Beach, SC. From Wilmington, take US
Highway 17 to Stone Chimney Rd SE to Holden Beach. Take a left on Ocean Blvd E
(State Rd 1116) and drive east to the end. Public parking access is located just past
Avenue D.
Project Area (acres): 1,655 ac Nearest Town: Holden Beach
Nearest Waterway: Atlantic Ocean River Basin: Lumber
Latitude and Longitude: 33.914483N, - 78.244248W
Existing Site Conditions
The barrier islands of Holden Beach (eight miles long) and Oak Island (12 miles long)
are located west of the Cape Fear River and have an east -west orientation, facing Long
Bay and the Atlantic Ocean to the south, and separated from mainland Brunswick County
to the north by tidal marshes and the Atlantic Intracoastal Waterway (AIWW). Holden
Beach and Oak Island are separated by the Lockwood Folly Inlet (LFI). The relatively
narrow subaerial ocean beach along the eastern end of Holden Beach is backed by a
narrow line of low vegetated foredunes and wide interior parabolic dunes that protrude
northward towards the AIWW. The majority of the interior dunes have been fully or
partially developed for residential use. The interior dunes are backed by a narrow fringe
of tidal marsh that separates the island from the AIWW. The AIWW extends east across
LFI and behind the west end of Oak Island where it crosses the Lower Lockwood Folly
River. The west end of Oak Island is backed by a narrow fringe of tidal marsh that
separates the island from a waterway known as the Eastern Channel. A spoil island -
marsh complex known as Sheep Island lies between the Eastern Channel and the AIWW
to the north. The Lower Lockwood Folly River estuary to the north of the AIWW
contains an expansive estuarine complex of marsh islands, sandy shoals, shellfish beds,
and tidal creeks.
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The marine component of the Permit Area encompasses the subtidal ocean bottom
(benthic) and ocean water column (pelagic) habitats and communities that occur seaward
of the intertidal ocean beach to approximately the 40 -ft isobath on the inner continental
shelf of Long Bay. The shoreface and inner shelf along Holden Beach contain
underlying ancient hard strata (sandstones and limestones) that are covered by a thin and
discontinuous veneer of modern sand.
The Permit Area includes a variety of biotic community types and sizes:
Biotic communities in the Permit Area.
Habitat Type Size (ac)
Residential 107.3
Beach and Foredune
70.0
Dune Grasses
34.4
Upland Mixed Forest
35.1
Upland Shrub -Scrub
70.5
Wetland Mixed Forest
59.3
Wetland Shrub -Scrub
19.6
Low Marsh
148.2
Intertidal
208.8
Subtidal
902.7
Applicant's Stated Purpose
The purpose of the Proposed Action is to establish a comprehensive shoreline protection
program, under the independent authority of the Town of Holden Beach, which will
restore and maintain the East End beach and provide for the short- and long -term
protection of residential structures, Town infrastructure, and recreational assets. The
Proposed Action is needed to mitigate ongoing and chronic East End shoreline erosion,
which is projected to continue for the foreseeable future and threatens residential
structures, Town infrastructure, recreational assets, and natural resources. Furthermore,
based on the increasing need for additional shore protection beyond that provided by
federal beneficial use placements, and the trend of declining federal funding for
nourishment projects, an independent shore protection program under the authority of the
Town is needed to ensure that the East End shoreline will be adequately protected.
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Project Description
In June 2011, Senate Bill 110 authorized the permitting of terminal groins at four (4)
inlets in North Carolina. As part of the Senate Bill, requests for terminal groins must
include the following provisions: a monitoring plan; a baseline for assessing adverse
impacts and thresholds for when adverse impacts must be mitigated; a description of
mitigation measures to be undertaken should the impact thresholds be reached; and a plan
to modify or remove the terminal groin if adverse impacts cannot be mitigated.
The following additional alternatives are being considered in the evaluation of the least
environmentally damaging practicable alternative:
Alternative 1 - No Action (Status -Quo)
Under the No- Action Alternative (Alternative 1), the Town would continue to rely solely
on the Corps' beneficial use projects for shore protection of the East End of Holden
Beach. Since 2002, the East End has been nourished nine times with dredged material
derived from the AIWW Lockwood Folly Inlet Crossing (LFIX) navigation channel. On
average, these nourishment events placed 77,000 cy of dredged material on the East End
of Holden Beach at two -year intervals.
Alternative 2 - Abandon and Retreat
Under Alternative 2, the Town would not pursue a long -term management plan, and there
would not be any Federally implemented or federally permitted actions undertaken to
mitigate erosion along the East End of Holden Beach. Thus, the Corps would not
conduct any East End Beneficial Use Projects, and the Town would not implement any
actions, such as beach nourishment, beach scraping, dune restoration, temporary sandbag
placement, and inlet dredging, which require a federal dredge and fill permit.
Instead, the Town would develop and implement a 30 -year managed retreat plan under
which structures that are threatened with erosional damage would be either relocated to
unimproved interior lots or demolished. This plan would establish an erosional threshold
that would trigger preemptive relocations or demolitions prior to the point of imminent
structural failure.
Alternative 3 - Beach Nourishment
Under Alternative 3, the Town would assume responsibility for East End shore protection
through the implementation of an independent, 30 -year nourishment -only beach
management plan. Under the proposed plan, the East End of Holden Beach would be
nourished with 100,000 to 150,000 cy of sand every two years. The conceptual beach
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fill placement area encompasses 3,700 linear ft of the East End oceanfront beach
between Blockade Runner Drive (Station 00 + 40) and LFI (Station 00 + 10). The
preferred source of beach fill under Alternative 3 would be the LFIX navigation channel
and associated 400 -ft bend widener.
Alternative 4 - Inlet Management and Beach Nourishment
Under Alternative 4, the Town would assume responsibility for shore protection of the
East End of Holden Beach through the implementation of an independent, 30 -year inlet
management and beach nourishment plan. The anticipated management regime would
involve periodic relocations of the LFI outer ebb channel and concurrent East End
nourishment events approximately every two years. Outer inlet channel relocation events
would involve the construction of a wider and deeper outer channel with a more westerly
alignment towards the inlet shoulder of Holden Beach. The new channel would be
dredged to a uniform depth of 14 ft (MLW) and would have a variable width ranging
from —350 ft at the inlet throat to —850 ft at the 14 -ft isobaths.
Alternative 5 - Short Terminal Groin and Beach Nourishment
Under Alternative 5, the Town would assume responsibility for shore protection of the
East End of Holden Beach through the construction of an — 800 -ft -long "short" terminal
groin at the eastern end of the oceanfront beach between Stations 10 +00 and 20 +00 and
the implementation of an independent, 30 -year beach nourishment plan. The main stem
of the short terminal groin would include a 550 -ft -long segment extending seaward from
the toe of the primary dune and a — 250 -ft -long anchor segment extending landward from
the toe of the primary dune. The groin would also include a 250 -ft -long shore - parallel T-
Head segment centered on the seaward terminus of the main stem.
Nourishment events would place 100,000 to 150,000 cy of sand on the east end of
Holden Beach every four years. The initial nourishment event would include the
construction of a wedged- shaped "groin fillet" sediment feature that would establish a
gradual, transitional shoreline between the western end of the beach fill footprint and the
seaward terminus of the short groin. The proposed borrow site dredging regime under
Alternative 5 would involve the extraction of 120,000 to 180,000 cy of sand from the
preferred LFIX/bend- widener borrow site every four years with the addition of potential
supplemental sand acquisition from the inland LFI navigation channel and the Central
Reach offshore borrow site.
Alternative 6 - Intermediate Terminal Groin and Beach Nourishment (Applicant's
Preferred Alternative)
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Under Alternative 6, the Town would assume responsibility for shore protection of the
East End of Holden Beach through the construction of a 1,000 -ft -long intermediate
terminal groin at the eastern end of the oceanfront beach between Stations 00 +00 and
10 +00 and the implementation of an independent, 30 -year beach nourishment plan. The
main stem of the intermediate terminal groin would include a 700 -ft -long segment
extending seaward from the toe of the primary dune and a — 300 -ft anchor segment
extending landward from the toe of the primary dune. The groin would also include a
120 -ft -long shore - parallel T -Head segment centered on the seaward terminus of the main
stem.
The projected beach nourishment regime would involve the placement of 100,000 to
150,000 cy of sand on the East End of Holden Beach every four years. The beach fill
profile design would be similar to that of Alternatives 3, 4, and 5 and include a +9 -ft
NAVD high dune with a 50 -ft -wide crest, a +7 -ft NAVD high, 200 -ft -wide berm, and a
90- to 200 -ft -wide transition with a 15 percent slope. The anticipated borrow sites and
dredging regimes would be the same as those described under Alternative 5.
Avoidance and Minimization
The applicant provided the following information in support of efforts to avoid and /or
minimize impacts to the aquatic environment: The Applicant has completed an Inlet
Management Plan (IMP) that provides detailed information regarding required plan
components including: (1) determination and type of data to define the baseline
condition; (2) post - construction monitoring to compare baseline data and assess potential
adverse impacts; (3) timeframes for post - construction monitoring; (4) identification of
thresholds for implementation of mitigation measures; and (5) mitigation measures that
may be implemented. In addition, terminal groin construction and beach fill placement
activities would adhere to a 16 November to 30 April environmental window; thereby
avoiding the sea turtle nesting season, the majority of the shorebird breeding season, the
majority of the seabeach amaranth growing season, and peak benthic invertebrate
recruitment periods.
Compensatory Mitigation
The applicant offered the following compensatory mitigation plan to offset unavoidable
functional loss to the aquatic environment: The project as proposed will not impact
wetlands. Therefore, no compensatory mitigation will be required for the applicant's
project as proposed. Changes to the project and /or additional information received which
suggest impacts to wetlands and or waters of the United States, will warrant further
6• ❑❑❑ 0 °& 11

evaluation for avoidance and minimization of wetland impacts and any compensatory
mitigation.
Essential Fish Habitat
Pursuant to the Magnuson- Stevens Fishery Conservation and Management Act, this
Public Notice initiates the Essential Fish Habitat (EFH) consultation requirements. The
Corps' initial determination is that the proposed project may adversely affect EFH or
associated fisheries managed by the South Atlantic or Mid Atlantic Fishery Management
Councils or the National Marine Fisheries Service. Consultation with the National Marine
Fisheries Service on EFH will be requested under separate letter.
Cultural Resources
Pursuant to Section 106 of the National Historic Preservation Act of 1966, Appendix C of
33 CFR Part 325, and the 2005 Revised Interim Guidance for Implementing Appendix C,
the District Engineer consulted district files and records and the latest published version
of the National Register of Historic Places and initially determines that:
❑ Should historic properties, or properties eligible for inclusion in the National
Register, be present within the Corps' permit area; the proposed activity requiring
the DA permit (the undertaking) is a type of activity that will have no potential to
cause an effect to an historic properties.
❑ No historic properties, nor properties eligible for inclusion in the National
Register, are present within the Corps' permit area; therefore, there will be no
historic properties affected. The Corps subsequently requests concurrence from
the SHPO (or THPO).
❑ Properties ineligible for inclusion in the National Register are present within the
Corps' permit area; there will be no historic properties affected by the proposed
work. The Corps subsequently requests concurrence from the SHPO (or THPO).
® Historic properties, or properties eligible for inclusion in the National Register,
are present within the Corps' permit area; however, the undertaking will have no
adverse effect on these historic properties. The Corps subsequently requests
concurrence from the SHPO (or THPO).
❑ Historic properties, or properties eligible for inclusion in the National Register,
are present within the Corps' permit area; moreover, the undertaking may have an
adverse effect on these historic properties. The Corps subsequently initiates
consultation with the SHPO (or THPO).
❑ The proposed work takes place in an area known to have the potential for the
presence of prehistoric and historic cultural resources; however, the area has not
been formally surveyed for the presence of cultural resources. No sites eligible
6• ❑❑❑ 0 °& 11

for inclusion in the National Register of Historic Places are known to be present
in the vicinity of the proposed work. Additional work may be necessary to
identify and assess any historic or prehistoric resources that may be present.
The District Engineer's final eligibility and effect determination will be based upon
coordination with the SHPO and /or THPO, as appropriate and required, and with full
consideration given to the proposed undertaking's potential direct and indirect effects on
historic properties within the Corps - indentified permit area.
Endangered Species
Pursuant to the Endangered Species Act of 1973, the Corps reviewed the project area,
examined all information provided by the applicant and consulted the latest North
Carolina Natural Heritage Database. Based on available information:
❑ The Corps determines that the proposed project would not affect federally listed
endangered or threatened species or their formally designated critical habitat.
® The Corps determines that the proposed project may affect federally listed
endangered or threatened species or their formally designated critical habitat.
Initiation of formal consultation, pursuant to Section 7, ESA, will be requested
with the U.S. Fish and Wildlife Service under separate letter for effects on nesting
sea turtles and critical habitat. Also, informal consultation and a concurrence
dtermination that the project may affect, but is not likely to adversely affect
whales, marine sea turtles, sebeach amaranth, red knot, piping plover, Atlantic
sturgeon, and manatee will be coordinated with the National Marine Fisheries
Service and U.S. Fish and Wildlife Service under separate letters. The Federal
resource agencies (i.e., FWS and NMFS) will be requested to initiate consultation
under Section 7 of the ESA on the above effect determinations. The Corps will
not make a permit decision until the consultation process is complete.
❑ The Corps is not aware of the presence of species listed as threatened or
endangered or their critical habitat formally designated pursuant to the
Endangered Species Act of 1973 (ESA) within the project area. The Corps will
make a final determination on the effects of the proposed project upon additional
review of the project and completion of any necessary biological assessment
and /or consultation with the U.S. Fish and Wildlife Service and /or National
Marine Fisheries Service.
Other Required Authorizations
The Corps forwards this notice and all applicable application materials to the appropriate
State agencies for review.

North Carolina Division of Water Resources ( NCDWR): The Corps will generally not
make a final permit decision until the NCDWR issues, denies, or waives the state
Certification as required by Section 401 of the Clean Water Act (PL 92 -500). The receipt
of the application and this public notice, combined with the appropriate application fee, at
the NCDWR Central Office in Raleigh constitutes initial receipt of an application for a
401 Certification. A waiver will be deemed to occur if the NCDWR fails to act on this
request for certification within sixty days of receipt of a complete application. Additional
information regarding the 401 Certification may be reviewed at the NCDWR Central
Office, 401 and Buffer Permitting Unit, 512 North Salisbury Street, Raleigh, North
Carolina 27604 -2260. All persons desiring to make comments regarding the application
for a 401 Certification should do so, in writing, by October 13, 2015 to:
NCDWR Central Office
Attention: Ms. Karen Higgins, 401 and Buffer Permitting Unit
(LISPS mailing address): 1617 Mail Service Center, Raleigh, NC 27699 -1617
Or,
(physical address): 512 North Salisbury Street, Raleigh, North Carolina 27604
North Carolina Division of Coastal Manaeement (NCDCM):
® The application did not include a certification that the proposed work complies
with and would be conducted in a manner that is consistent with the approved
North Carolina Coastal Zone Management Program. Pursuant to 33 CFR 325.2
(b)(2) the Corps cannot issue a Department of Army (DA) permit for the
proposed work until the applicant submits such a certification to the Corps and
the NCDCM, and the NCDCM notifies the Corps that it concurs with the
applicant's consistency certification. As the application did not include the
consistency certification, the Corps will request, upon receipt„ concurrence or
objection from the NCDCM.
❑ Based upon all available information, the Corps determines that this application
for a Department of Army (DA) permit does not involve an activity which would
affect the coastal zone, which is defined by the Coastal Zone Management (CZM)
Act (16 U.S.C. § 1453).
Evaluation
The decision whether to issue a permit will be based on an evaluation of the probable
impacts including cumulative impacts of the proposed activity on the public interest.
That decision will reflect the national concern for both protection and utilization of
important resources. The benefit which reasonably may be expected to accrue from the
proposal must be balanced against its reasonably foreseeable detriments. All factors
which may be relevant to the proposal will be considered including the cumulative effects
thereof, among those are conservation, economics, aesthetics, general environmental
6• ❑❑❑ 0 °& 11

concerns, wetlands, historic properties, fish and wildlife values, flood hazards, flood plain
values (in accordance with Executive Order 11988), land use, navigation, shoreline
erosion and accretion, recreation, water supply and conservation, water quality, energy
needs, safety, food and fiber production, mineral needs, considerations of property
ownership, and, in general, the needs and welfare of the people. For activities involving
the discharge of dredged or fill materials in waters of the United States, the evaluation of
the impact of the activity on the public interest will include application of the
Environmental Protection Agency's 404(b)(1) guidelines.
Commenting Information
The Corps of Engineers is soliciting comments from the public; Federal, State and local
agencies and officials, including any consolidated State Viewpoint or written position of
the Governor; Indian Tribes and other interested parties in order to consider and evaluate
the impacts of this proposed activity. Any comments received will be considered by the
Corps of Engineers to determine whether to issue, modify, condition or deny a permit for
this proposal. To make this decision, comments are used to assess impacts on endangered
species, historic properties, water quality, general environmental effects and the other
public interest factors listed above. Comments are used in the preparation of an
Environmental Assessment (EA) and /or an Environmental Impact Statement (EIS)
pursuant to the National Environmental Policy Act (NEPA). Comments are also used to
determine the need for a public hearing and to determine the overall public interest of the
proposed activity.
Any person may request, in writing, within the comment period specified in this notice,
that a public hearing be held to consider the application. Requests for public hearings
shall state, with particularity, the reasons for holding a public hearing. Requests for a
public hearing shall be granted, unless the District Engineer determines that the issues
raised are insubstantial or there is otherwise no valid interest to be served by a hearing.
The Corps of Engineers, Wilmington District will receive written comments pertinent to
the proposed work, as outlined above, and on the DEIS for this project, for 45 days and
until 5pm, October 13, 2015. Comments should be submitted to Mrs. Emily Hughes,
Wilmington Regulatory Field Office, 69 Darlington Avenue,
Wilmington, North Carolina 28403 , at (910) 251 -4635, or by email at:
Emilv.b.huAesa,usace.armv.mil
6• ❑❑❑ 0°& ❑❑

NOTES
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N � = Z
NOTES: J
Mean High Water------ -
1, FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES=
Mean Low Water - - - - - -- 2. AERIAL DATE: 2014
a..:'. >vll 3. OCEAN HYDROGRAPHIC SURVEY PERFORMED BY
EAST COAT ENGINEERING DATED APRIL, 2015
N a 4. INLET SURVEY PROVIDED BY USAGE DATED MAY 20, 2015
_►� 5. ELEVATIONS BASED ON NGVD 29
6, HOLDEN BEACH HAS NO STATIC VEGETATION LINE
7, BRUNSWICK COUNTY PARCEL LAYER SHOWN
Up
D 1000
Scale in Feet
r
_. ppo
TRACOp,STA►— W ATERW AY
p,TLANTIC IN (AIWWi .e
Y ay �. Ate
HOLDEN BEACH
J
U% O
O O
2 +
0
J
Cn O
Lu /
Im
O
+
o...
-QWARD
N
c? LIMIT OF FILL —
t_ LANDWARD LIMIT
OF FILL
- ...... + —rr... J. .. i� it
co
+
O
I
O
+
+
O
no,
+
o...
-QWARD
N
c? LIMIT OF FILL —
t_ LANDWARD LIMIT
OF FILL
- ...... + —rr... J. .. i� it

z �o
�0
wp�z
o.
pg0^
o
co
U)
N
3 0
N �
C)
m m O
U)
,L cn
N 0 0
zL7 m m
0 N N x
3 N .�'-. 0
C) o � m
m Q (�
0
m
_ C `o
m C m
m m z
o C
z K
K m m
00 o
m
A °m 0
91
A � �
N
O
_ D
O o O
m AO r
z � O y
0 z
mn= ,
n = ° z
= r O m
O
Z z A
0 y
�m�
m O O
N � = z
-1.3
_--- - -- - - -- - - - - - --
-2. cn
-
Lj
2
-3.4 w
-3.9
-4.6
-5.0 5
=5.2
-5,4
-5.6
-5.7
-5.8
- 2 t
-2 SEAWARD
-3.1 ��`�
-3.4 �, BERM CREST
-3.6 TOE OF FILL
-3.7 1
-3.4
-3.0 i
-2/
11/2,2
5 -GROIN
-1.
O
Ln - -1z o�MAIN STEM
175 -21
-22
GROIN 23°
T -HEAD -2295
9
2.3
1.8
0.9
0.0
-12
-2.2
-3.3
-3.6
-4 0
-3.2
-21
-2 N
0 200
Scale in Feet
NOTES:
Mean High Water- - - - - --
FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES
Mean Low Water - - - - - -- 2.
M
AERIAL DATE:2014
3
OCEAN HYDROGRAPHIC SURVEY PERFORMED BY
-
�_`'
EAST COAT ENGINEERING DATED APRIL, 2015
4.
ELEVATIONS BASED ON NGVD 29
? 5,
HOLDEN BEACH HAS NO STATIC VEGETATION LINE
6,
BURIED ANCHOR SECTION OF GROIN BASED ON
APRIl,_ 2015 SURVEY - -
co
50'
a6
"��
7
°422 /
.i�r
9.9
7 8 LANDWARD
12.2 .' 2 3
'
C)
o+ : -
° LIMIT OF FILL
°
96 '' 20 8
z
Z O 1
(_0 � ��
6
7.5 ; °-
LO
<
7
w 5.7
wu
810.9
SON
-38 �+��
m ° 0
` `90
5.7
°664
12.9
5 O���QvV
3.7 G
���/
9,7
57 V1.
14,
6 2
5
/ /
A
5 8
9
°687
6.4
543
6.0 i
�i��
O
5.5 i�
6634
�� °-------- - - -- -�
4.9
6.3
DUNE 54
� _ ���� 1.6
m,� �''
���. ���� 4.0 i
-,,,� 3.6
5
____ -0.3
° o
FILL � - --
o m - -1.9
3,7 ;�
------------ 2, 2
,,
Q� >- -
m
3.8 1 i
3.9 j
4
-1.3
_--- - -- - - -- - - - - - --
-2. cn
-
Lj
2
-3.4 w
-3.9
-4.6
-5.0 5
=5.2
-5,4
-5.6
-5.7
-5.8
- 2 t
-2 SEAWARD
-3.1 ��`�
-3.4 �, BERM CREST
-3.6 TOE OF FILL
-3.7 1
-3.4
-3.0 i
-2/
11/2,2
5 -GROIN
-1.
O
Ln - -1z o�MAIN STEM
175 -21
-22
GROIN 23°
T -HEAD -2295
9
2.3
1.8
0.9
0.0
-12
-2.2
-3.3
-3.6
-4 0
-3.2
-21
-2 N
0 200
Scale in Feet

z �o
dz
^�zz
o
co
Cn
rn
-3o m
C) m �
m m O
cn 0 m
N 3 0
z0- m m
� N
3 N N 0
C) Z) M m
O Q
N
Cf) 65 o
m C co
m m z
z
o C
K m m
ao x
m
A °m °m
rn
N
(P
x00 g -0 D
0
m AO ` r
T 0 O y
co xx z
mnx
n = ° z
x r O T
O
Z z A
n�ao y
�m�
�m0 o
N x z
I
9.2
Mean High Water
'•4
..
Mean Low Water
NOTES:
1, FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES
-- 2 AERIAL DATE:2014
3. OCEAN HYDROGRAPHIC SURVEY PERFORMED BY
EAST COAT ENGINEERING DATED APRIL, 2015
4. ELEVATIONS BASED ON NGVD 29
5. HOLDEN BEACH HAS NO STATIC VEGETATION LINE
LANDWARD
LIMIT OF FILL
17,0 K
10.5
41 CONSTRUCTION
FILL 0.8
U.' \
—0
—1.3
— —
- - - -- - - - - -- - -�� -- - - - - - -- - - - - - -- - -- - - - - - -- -- — -- —
—4.6
=54 SEAWARD BERM CREST
-5.7
-55,8 g TOE OF FILL
N —5.8
—5.8
—5.9
—6.0
—6.2
—6:5
—7.0
0 200 —7.5
— 7.9
—8.2
Scale in Feet —8.4
4�
W
co
R
r:
LO
r
O 8.6
10.9
N 12.9
97
'10.0 -�� 803
" 10.6 14.
�• 10.8
104 6
9.9
7.
6.7
n 6,9 DUNE

,.x �,t ,� � •, Mean High Water- - - - - --
NOTES:
- • (" w L
h•'� �- 1. FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES
Mean Low Water - - - - - -- 2. AERIAL DATE: 2014
3 OCEAN HYDROGRAPHIC SURVEY PERFORMED BY
' EAST COAT ENGINEERING DATED APRIL, 2015
NZ
4. ELEVATIONS BASED ON NGVD 29
2o2 T ��' �: r 5 HOLDEN BEACH HAS NO STATIC VEGETATION LINE
(D -0
(D (D
u)m o rs ;y., A.
C) o m a _,
o - LANDWARD LIMIT
-�' 9 0
OF FILL
�.. —_.. 8477
10.2
107
=co
m C m
m m z
z C
m m
m �u
m
A m m
N �
_ � D
O o O
m0 r
Z'0 y
co 3' z
m0=
n
D = O Z
_ O T
O
z0z A
N (� D
m
�mc� o
N = z
8.9
4 4 CONSTRUCTION BERM _________
_ _ D �L�IE
•— --------------------- � ----- rii i
N
0 200
Scale in Feet
—5.8
—6.0
—6.5
-6.9
—7.2
—7.6
8,0
—8.5
—9.0
—9,4
—9.7
--- - -1 - --
- - - - -� 1
SEAWARD BERM CREST
rOE OF FILL

LOCKWOOD FOLLY INLET TIDAL DATUMS
2.7'
-= 1
z 5
0 1.0'
0.5'
c m z -
w,az - 0.0'
Q ° = ■ -2.0'
o
co
U)
G7 O
p Q
(D
m 0 0
C)
0 9' po D -n
m m —
cm n 0 M co
= ca G
o �m m
N N =
3 91 m T u)
C7 o r
m n r
0
m
_ � `o
IT C IT
IT IT z
z
o C
K IT m
IT ou
IT
A 0 0
J � �
N �
0
_ — � D
080
0 x1 r
IT! O� O y
m = ' z
mn0. ,
D = O z
cm, om
0
z� A
O�ao y
�m�
0 O
N I z
MEAN HIGH WATER
NAVD 88
MEAN SEA LEVEL
NGVD 29
MEAN LOW WATER
FILL
EXISTING SURFACE
15
10
z 5
z 0
O
Q —5
X10
w
20
15
10
0
5
0 r'
z
0—
5
Q
L0 10
w_15
—20
O
HORIZONTAL
0 250
Scale in Feet
Notes:
1 FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES
2, HYDROGRAPHIC SURVEY PERFORMED BY
EAST COAT ENGINEERING DATED APRIL, 2015
3 HORIZONTAL COORDINATES ARE NO GRID (NAD83)
4. ELEVATIONS BASED ON NGVD 29
5, HOLDEN BEACH HAS NO STATIC VEGETATION LINE
STA 10 +00 PROFILE
CONSTRUCTION BERM 8.0 (130 -400 WIDTH VARIES)
SEAWARD BERM CREST
15:1(H:V) CONSTRUCTION SLOPE (TYP)
BEACH FILL — — — — — — MEAN HIGH WATER 2.7'
TOE OF FILL
f��- — — — — — — —MEAN LOW WATER -2.0
b L b b b b b b
O O O O O O O O O O O O O O O O 07
O O O O O O O O O O o CH H-) Q0 Q0
N r7 O O r W O
CROSS SHORE DISTANCE (FEET)
STA 30 +00 PROFILE
DUNE CREST (25.0' TYP)
5:1 (H:V) CONSTRUCTION SLOPE (TYP)
CONSTRUCTION BERM 8.0 (130 -400 WIDTH VARIES)
SEAWARD BERM CREST
15:1(H:V) CONSTRUCTION SLOPE (TYP)
BEACH FILL
MEAN HIGH WATER 2.7'
Toe or rIL�
— ------------------------ - - - - -- -MEAN LOW WATER -2.0
'r \
O L L L L L L L L
O O O O O O O O 0 O
O O O O O O O O O O O O O O O O W C O O 00 O
CROSS SHORE DISTANCE (FEET)
VERTICAL
0 25
Scale in Feet

HORIZONTAL VERTICAL
150 0 5
(EXCAVATION ON O OWN) 1. FOR PERMITTING ONLY, NOT FOR
CONSTRUCTION PURPOSES
z 5o
_
�� ��
2 ELEVATIONS BASED ON NGVD 29
- o
Scale in Feet Scale in Feet"
"'`�' "'" 3. HOLDEN BEACH HAS NO STATIC
VEGETATION LINE
.1 41 dz
-_
BEACH FILL 4. NO CORE STONE PROPOSED TO
ALLOW MORE PERMEABILITY
U w=
5. BURIED ANCHOR SECTION OF GROIN
BASED ON APRIL 2015
°2=
° p m
ma
p�
GROIN / T -HEAD SURVEY
o
GROIN PROFILE
•
276'
460' 282'
BURIED ANCHO ^.
CLOIN BURIED EXPOSED
1 SECTION
BY BEACH FILL
W
CONSTRUCTION BERM 8.0
(130' 420' WIDTH VARIES) SEAWARD BERM CREST
10
15:1 (H:V) CONSTRUCTION
SLOPE (TYP)
U) cn o
o ��
> 5
— GROIN 5r
o C
C7 N =)
O
z
------ - - - - -- (� v
MEAN HIGH WATER 2.7'
C N CD
z
Z 0
2
01
0
0
�������� /������% - - - - - -- —
MEAN LOW WATER -2.0
0 N N
m
J -5 BURIED GROIN
EXISTING- GROIN BURIED) 56'
GROIN T -HEAD
p1 (
w (BASED ON
GRADE BY BEACH FILL
n o
m
EXISTING SURFACE)
TOE OF FILL
01 a
-10
0
m
0 0
0 0 0 0 0 0
0
0 0 0 0
0
0 0 0 0 0 0 0
0
CSI r0
LC) Q0 r 00 0
CROSS SHORE DISTANCE (FEET)
_ c
IT C
O
m
i IT
z
ARMOR STONE
z °y
MEAN DIA. T -5'
K IT
A
THICK 01 �
A °m
°m
GROIN CREST v -/ w - +5.0'
N
�1
MEAN HIGH WATER 2.7'
c'n
•
a
��
EXISTING
H
BEACH FILL
GRADE MEAN LOW WATER -2.0 --
— — — — —
(VARIES ALONG
0
PROFILE)
0 0
2.5'
_ _ _ 2.5'
00
IT
r
� O
y
EXISTING
a0 = '1
IT m =
z
GRADE
n
D = O
Z
= o m
Z z
O
MARINE MATTRESS
,
FILLED WITH 3.5" DIA.
TYPICAL GROIN CROSS SECTION
0 m
N
D
o
STONE 1' THICK
(MAIN STEM)
=
(NOT TO SCALE)

z �o
w p 5i z
C)90_
o
Co
cn
cn
0
77 0
0 7 (D,
0 Co
7 N CD O
0) 3 <C
z0-m D
3 N N m
- m D
o =Q
0
m m Co
i m z
o
z
K m m
m A
A 0 0
N �
_ - � D
000
00 r
z O� 0 y
m = ' z
mn= �
n x ° z
= r O
zC,z A
O�amm° y
m D
m 0 0
N - I z
LOCKWOOD FOLLY INLET TIDAL DATUMS ,� NOTES:
2.7' MEAN HIGH WATER „' 1 FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES
1.0' NAVD88r 2 AERIAL DATE: 2014
3 HYDROGRAPHIC SURVEY PERFORMED BY USACE DATED
0.5' MEAN SEA LEVEL��j� NOV 2013 (REPRESENTATIVE OF PRE - PROJECT CONDITIONS)
0.0' NGVD 29� , r?•' fi
r'� � � � � 4. ELEVATIONS BASED ON MLW
20 MEAN LOW WATER s r` 5. BORING LOCATIONS FROM 1998, 2002, 2008, AND 2009 VIBRACORES
,- ��rv34s� ^y.'7Y°' ;. +�1 t9wp •"S-� 1 '` r j,I,. „
14 �1 � � 9 ..+"A,a" T .. ,y
qtr �. -�¢�' ti. y ft ,a w F 1
,owl - �' �ayau '.• q
r. SSING
T _ AI�VW CRO
E' Y IN�E N- 63303,08
g y y KWOOD FALL W AREA -- _ — °— - E- 2232951 x0
BORR O C
�H s N- 63203.9
�`°a B - '! _ _ = — E -2232 ',81
�' =y END A I� ♦ ��i�
50'B i° N- 6311391 :kr
N 62767,09 WIDENER _5 -10' _ i _ -s ♦ E- 2232397.79 !i
t- 222967.38 s _sue a
-5 — � sus, ER
_,15 � � WEE � � , . *��•
_ _ A 46-0' BEND o
` o n
AIWW '- N- 62830.1.5 \ N
E- 2231105 11 A�� r_
N- 1526153.50 N- 62753.58 ��7 110
�_ `oz N- 62645.48 SHEEP ISLAND
E- 2229767.38 E- 2230289.86 E- 2232064.49 rl
` N 62704 --
E- 22303230307.
F. a .. T�_:... ...yam.^.. ....
e *0
� ^ Y
W ae O
r s�: mss:,., - aNh,:- :a � _� • -
h� ".. s a O
L0
1 -i I ,
,-iv
LOCKWOODS FOLLY
INLET
- BORING SITE
N
0 500
Scale n Feet

LOCKWOOD FOLLY INLET TIDAL DATUMS
NOTES:
AREAS TO
FOR PERMITTING ONLY, NOT FOR CONSTRUCTION PURPOSES
MEAN HIGH WATER
RE DREDGED 2,
HYDROGRAPHIC SURVEY PERFORMED BY
�?
- 1.0'
USAGE DATED NOV, 2013 (REPRESENTATIVE
p "
0.5'
MEAN SEA LEVEL
OF PRE — PROJECT CONDITIONS(
p o.
- o.o'
NGVD29
GRADENG
3.
HORIZONTAL COORDINATES ARE NC GRID (NAD83)
poo8
opt
-2.0'
MEAN LOW WATER
4.
ELEVATIONS BASED ON MLW
H
p�
5,
HOLDEN BEACH HAS NO STATIC VEGETATION LINE
C�
Z - 5
-
BORROW AREA PROFILE A
BORROW AREA PROFILE B
10
5
EDGE OF EDGE OF 50' BEND
CHANNEL WIDENER
To--
i
W
C�
Z - 5
5
EDGE OF
CHANNEL
EDGE OF 400 BEND
WIDENER
LANDWARD SEAWARD _
I]
i
C =
Q
O 1 O
12' DREDGE LINE
0
EXISTING
GRADE
' 3
501 �
m
m
_
Q-1 5
EXISTING -�� _ I I TOVER DREDGE ALLOWANCE
GRADE - V }
-5
LANDWARD
SEAWARD _
CD �
0
W
`Z 0
AREA TO BE
DREDGED
z10
O
2
O W
i� (�
W
I 12' DREDGE LINE
". ".' OVER DREDGE ALLOWANCE
pJ
`G �n e1
7DI
O
- 25
Q -1 5
\-
AREA TO BE
w 3
C
C
—20
DREDGED
-m
0 m
W
� N
-25
'
O O O O O
rq
E'
o
m
m
CROSS SHORE DISTANCE (FEET)
°
0
0 0
o 0
0
m
O
0
N 'T Lc)
co
CROSS SHORE DISTANCE (FEET)
_ c
O
m m
Z
BORROW AREA PROFILE C
z n
BORROW AREA PROFILE D
K m
m
co
0
15--
10
0
O
N
W
m
1 0
(]
EDGE OF EDGE OF 400' BEND
CHANNELL WIDENER
5
EDGE OF EDGE CF
CHANNEL CHANNEL
O
>
5
U
z
0 0
0
• °
O 5
- ::.1.�
LANDWARD SEAM /ARD _
- 5
Z
O
EXISTING -�
GRADE
LANDWARD SEAWARD _
°
EXISTING
10
Q
�-
GRADE
Q
-
DREDGE LNE
_ � �
D
W 0
4`:!,1'.('::t.,.`'((�(~.(,.
12' DREDGE LINE
....(REA
i -15
W
AREA TO BE
OVER DREDGE ALLOWANCE
O
r O
�
�
"I
J
W
-15
.. .. �, <
14' OVER DREDGE ALLOWANCE
J
W
DREDGED
O .Zl
O
r
5
TOsE���Y(
D[EDGED
20
Z O
=
T
Z
mom=
--i
b
0 0 0 0 0 0 0
0
0
O O O
O O
�
- =o
O
O
W
O o O O
o O
om
Z O Z
A
N 9
CROSS SHORE DISTANCE (FEET)
O
N
O
O __j
CROSS SHORE DISTANCE (FEET)
m
HORIZONTAL
VERTICAL
N i
0
0 250
0
25
Scale in Feet
Scale
in Feet