20090337 Ver 1_Public Notice_20080813

io o +- o�s u t V-3
PUBLIC NOTICE
US Army Corps
Of Engineers
Wilmington District Issue Date: August 13, 2008
Comment Deadline: September 12, 2008
Corps Action ID #: SAW -2007-02699-010
The Wilmington District, Corps of Engineers (Corps) has received an application from
the Village of Bald Head Island, North Carolina seeking Department of the Army (DA)
authorization to implement a designed beach restoration project intended to reduce
erosion on the entirety of South Beach Shoreline, Bald Head Island, Brunswick County,
North Carolina.
Specific plans and location information are described below and shown on the attached
plans. This Public Notice and all attached plans are also available on the Wilmington
District Web Site at www.saw.usace.army.mil/wetlands
Applicant: Attn: Calvin Peck
Village of Bald Head Island
P.O. Box 3009
Bald Head Island, North Carolina 28461-7000
AGENT (if applicable): Gregory Finch
Land Management Group, Inc
P.O. Box 2522
Wilmington, North Carolina 28402
Authority
The Corps will evaluate this application and a decide whether to issue, conditionally
issue, or deny the proposed work pursuant to applicable procedures of Section 404 of the
Clean Water Act (33 USC 1344) and Section 10 of the River and Harbors Act.
Location
The project site, Bald Head Island, is located immediately eastward of the mouth of the
Cape Fear River at the southern terminus of the Smith Island Complex at Cape Fear
Point, Brunswick County North Carolina. Bald Head Island is the southernmost of three
co joined islands which form the Smith Island Complex located at the mouth of the Cape
Fear River in eastern Brunswick County, North Carolina. The island includes Cape Fear,
the southernmost of three major cape formations which dominate the North Carolina

coastal plain. An offshore depositional feature known as Frying Pan Shoals extends from
the Cape Fear some 20 miles into the Atlantic Ocean. The island's east and south
shorelines, or "East Beach" and "South Beach", front the Atlantic Ocean. The west
shoreline or "West Beach" fronts the Cape Fear River Entrance. The island is accessible
to the public by means of a passenger ferry which operates between Southport and the
Bald Head Island marina. Latitude 33.85°N; Longitude 77.9899°W (NAD27).
Existing Site Conditions
Information provided by the applicant states that since about 1974, beach erosion
experienced at Bald Head Island, NC has been severe along South Beach (most
particularly the western portion) and selected segments of West Beach.
Sand placement activities at Bald Head Island since 1991 are summarized in Table 1.
Table 1. Beach Disposal Activities at Bald Head Island Since 1991.
Year
Volume Million Cubic Yards
1991
0.35
1996
0.70
1997
0.45
2001
1.58
2005
1.2
2006
47,800 cubic yards
2007
1.1
A temporary sand -filled tube groin field was constructed by the applicant along the
westernmost portion of South Beach. Construction began in March 1996, immediately
following completion of a1996 disposal project. Sixteen groins (sand -filled tubes) were
constructed of geotextile material and filled with sand. These temporary groins were
replaced by the applicant in 2005.
In 2007, the Corps placed approximatelyl.I million cubic yards (mcy) of sand along
South Beach during maintenance dredging of the navigation channel adjacent to Bald
Head Island. Placement of this material was accomplished in accordance with the
Wilmington Harbor Sand Management Plan. According to the applicant, the Village of
Bald Head Island does not expect to receive maintenance dredged sand from the
navigation project until at least 2011.
Applicant's Stated Purpose
According to information provided by the applicant, the purpose of the proposed work is
to ensure that South Beach in its entirety remains in an improved non -critically eroded
FA

condition for a period of four years. The proposed borrow source is located within the
most seaward portion of Jay Bird shoals, a large area of shoaled material located west and
southwest of Bald Head Island. According to the applicant, the proposed project will
provide for a more stable beachfront. The proposed project is for a one-time action of
dredging and placement of beach fill material.
Project Description
Applicant's Plan of Action: According to information provided by the applicant,
expected continued erosion over the next four (4) or more years on Bald Head Island will
be addressed by implementing a beach restoration project intended to improve the entire
South Beach shoreline. West Beach will likewise be included in the proposed
nourishment program on an as -needed basis. The volume of sand placed for such a
project should be sufficient to both address expected sediment losses, and ensure
adequate improved beach widths along the entirety of the South Beach shorefront.
Presently, the design volume is expected to be up to 2 mcy (as measured in-place for
payment). The gross volume excavated will be 10% or more than the pay volume.
Approximately 5% or less of the total volume would be placed on West Beach.
According to the applicant, the project must be constructed no later than the winter of
2009/2010 — approximately two years prior to the next tentatively scheduled beach
disposal operation. The proposed borrow source is located on the seaward most portion of
Jay Bird Shoals.
Applicant's Preferred Sand Source — The applicant has proposed to use sediment within
the Jay Bird Shoals for beach nourishment and proposes to excavate by cutter suction
dredge and pump this material by submerged pipeline to the western end of Bald Head
Island. The material will be distributed by pipe to either the West or South Beach
shorelines. Within the project borrow site, two (2) clusters of magnetic anomalies and a
federal tide gage structure will be avoided during construction. According to the
applicant, all material proposed to be excavated meets the State of N.C. Beach Sediment
Standards.
Excavation within the permitted borrow site would occur sequentially within three (3)
designated sub -areas of work. The purpose of controlling the contractor's dredge pattern
would be primarily to protect (i.e. conserve) the sand resource. General exclusion areas
will likewise affect the manner by which various portions of the borrow area can be
operationally accessed by dredge. The total proposed borrow area is 225.74 acres. The
Exclusion Areas located total 15.4 acres. According to the applicant, it possible that
sufficient volume of sand necessary to construct the proposed 2.0 mcy, beach fill project
can be dredged from borrow site sub -areas 1 and 2 and the dredged area of Jay Bird
Shoals would be limited to 158.4 acres, or less.
South Beach. — Along South Beach, proposed fill operations would be expected to begin
westward of sand tube groin Number 1 located at/or about baseline station 44+00. At that
location, the fill template would be initiated as a taper and would extend to a full design
section depending upon conditions within the groin field at the time of construction. The
3

easternmost limit of the 16 structure groin field is at Sta 116+00. Eastward of the
existing groin field, hydraulic fill placement would continue as a full design section to
approximately sta. 190+00 where it would again taper to the existing beach configuration.
The total length of improved South Beach shoreline is approximately 16,200 ft.
Assuming an average fill density (excluding tapers) of 100 cy/ft, results in a net fill
volume estimate of 1.62 mcy (pay volume). The gross fill volume placed at this location
(considering nearshore losses) would be 10-20% higher (i.e. about 1.86 mcy). Other
volumetric losses would occur within the borrow area during the dredging process.
Within the groin field, special consideration would be given to protection of sand tube
structures to minimize damage by construction equipment utilized to place and grade the
beach fill. In most instances, exposed portions of groins would be reburied. The South
Beach construction berm would maintain an approximate average elevation of +8 ft.
NGVD. A mild slope would be introduced into the berm (by grading) to reduce post-
placement scarping and enhance post -construction turtle nesting activities. If dune
erosion or benching occurs during construction, up to 5 cy of sand per ft. of shorefront
would be mechanically moved and graded to repair the dune line. According to the
applicant, any re -vegetation necessary for dune stabilization would be performed by the
Village of Bald Head subsequent to beach fill placement and is not proposed in this
project.
West Beach. According to the applicant, beach fill placement along West Beach would
be dictated by shoreline conditions immediately prior to project bid. Due to deep
nearshore beach profile slopes which extend into the Cape Fear River channel, a
maximum alongshore fill placement density of 30 cy/ft. is proposed. The predicted
limits of fill would nominally extend between sta. 12+00 and sta. 30+00 (see Figure 4).
The total net volume to be placed is estimated at 54,000 cy, excluding tapers. The gross
volume (i.e. about 67,500 cy) placed may potentially exceed that amount by 25% due to
placement losses during construction. Additional fill losses would occur in the borrow
site.
Project Impacts. The excavation of beach compatible materials from an offshore borrow
area can alter the local wave height and direction via wave refraction and diffraction
effects. A wave refraction/diffraction numerical modeling analysis was carried out for the
proposed Bald Head Island borrow site located at the distal end of Jay Bird Shoals. The
borrow site used in the analysis is located approximately 1.6 miles offshore of Oak Island
and 0.8 miles offshore of Bald Head Island in the mouth of the Cape Fear River Entrance.
Seabed elevations at the proposed offshore excavation site range from -4 ft to -21 ft
NGVD. The numerical model STWAVE was used to evaluate refraction and diffraction
effects for bathymetric conditions representing pre and post -excavation scenarios.
According to the applicant, the modeling results indicate that no significant alteration of
the wave climates along either the Bald Head Island or Oak Island shoreline were
expected to occur as a direct result of borrow site excavation.
According to the applicant, the selection of the proposed Bald Head Island borrow site
(end of Jay Bird Shoals) was based on the survey of the Cape Fear Entrance. The design
depth of the proposed borrow site is such that substrate sediments exposed during project
4

construction would consist of sand material. Future sedimentary conditions would
initially be influenced by slumping of excavation perimeter side slopes (i.e., sand); sand
eroded from cultural resource buffer zones by waves and current and deposition from
sediment transport along the marginal shoal feature. Quantification of infilling rates is
difficult due to equilibration processes between cut and uncut portions of shoal during the
first few years following dredging. Regardless of future sediment deposition rates, the
probability of deposition of similar sandy material (in contrast to fines, organics, clays,
etc.) is excellent and may result in rapid recovery of benthic communities and minimize
long term Essential Fish Habitat (EFH) impacts.
The applicant proposes to continue physical monitoring of the West Beach and South
Beach shorelines following construction. The potential effects of major storm events
would likewise be evaluated. If required, the applicant has proposed to measure
compaction of the hydraulically placed beach fill and till the un -vegetated portions of the
berm as necessary, immediately prior to each subsequent sea turtle nesting season.
Scarps along the beach foreshore greater than 18" in height would likewise be removed at
that time.
The applicant also proposes to perform hydrographic surveys of the general borrow area
(including exclusion areas) at the completion of dredging and every two (2) years
thereafter for purposes of quantifying its physical recovery and plan form adjustment. All
surveys would extend a minimum of 500 ft. beyond the original limits of borrow site.
Other Required Authorizations
This notice and all applicable application materials are being forwarded to the appropriate
State agencies for review. The Corps will generally not make a final permit decision
until the North Carolina Division of Water Quality (NCDWQ) issues, denies, or waives
State certification required by Section 401 of the Clean Water Act (PL 92-500). The
receipt of the application and this public notice in the NCDWQ Central Office in Raleigh
serves as application to the NCDWQ for certification. A waiver will be deemed to occur
if the NCDWQ fails to act on this request for certification within sixty days of the date of
the receipt of this notice in the NCDWQ Central Office. Additional information
regarding the Clean Water Act certification may be reviewed at the NCDWQ Central
Office, 401 Oversight and Express Permits Unit, 2321 Crabtree Boulevard, Raleigh,
North Carolina 27604-2260. All persons desiring to make comments regarding the
application for certification under Section 401 of the Clean Water Act should do so in
writing delivered to the North Carolina Division of Water Quality (NCDWQ), Section
401 Oversight and Express Permits Unit, 2321 Crabtree Boulevard, Raleigh, North
Carolina 27604-2260, Attention: Ms Cyndi Karoly by September 5, 2008.
The applicant has not provided to the Corps, a certification statement that his/her
proposed activity complies with and will 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 can not issue a permit for the proposed work until the applicant

submits such a certification to the Corps and the North Carolina Division of Coastal
Management (NCDCM), and the NCDCM notifies the Corps that it concurs with the
applicant's consistency certification.
Essential Fish Habitat
This notice initiates the Essential Fish Habitat (EFH) consultation requirements of the
Magnuson -Stevens Fishery Conservation and Management Act. The Corps has not made
a determination if the proposed project will or will not adversely impact EFH or
associated fisheries managed by the South Atlantic or Mid Atlantic Fishery Management
Councils or the National Marine Fisheries Service.
Cultural Resources
The Corps has consulted the latest published version of the National Register of Historic
Places and is not aware that any registered properties, or properties listed as being
eligible for inclusion therein are located within the project area or will be affected by the
proposed work. Presently, unknown archeological, scientific, prehistoric, or historical
data may be located within the project area and/or could be affected by the proposed
work. (Applicant has mentioned potential archaeological resources in borrow area).
Endangered Species
The Corps has 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 has determined pursuant to the Endangered Species Act
of 1973 (ESA), that the proposed project may affect federally listed endangered or
threatened species or their formally designated critical habitat. According to the
applicant, a Biological Assessment (BA) is being prepared and coordinated with the
United States Fish and Wildlife Service (USFWS) and the National Marine Fisheries
Service (NMFS) pursuant to Section 7 of the Endangered Species Act of 1973, as
amended. This assessment determined that the proposed action may affect but will not
likely to adversely affect the piping plover and the seabeach amaranth. Due to timing of
the project and precautions taken during its implementation, other federally listed
endangered or threatened species should not be affected. Consultation under Section 7 of
the ESA will be initiated and no permit will be issued until the consultation process is
complete.
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
1

thereof; among those are conservation, economics, aesthetics, general environmental
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.
Written comments pertinent to the proposed work, as outlined above, will be received by
the Corps of Engineers, Wilmington District, until 5pm, September 12, 2008. Comments
should be submitted to Dave Timpy, Project Manager, P.O. Box 1890, Wilmington, NC
28402-1890. If you have questions, please contact Mr. Timpy at [phone].
7

APPLICANT:
VILLAGE OF BALD HEAD ISLAND
ENGINEER:
OLSEN ASSOCIATES, INC.
C-1468
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- _UAili APPROVED REVISION
Olsen 611/08
associates, inc. VILLAGE OF BALD HEAD ISLAND
-yP )DRAWN 5'f:
4438 Herschel Street BEACH RESTORATION PROJECT
Jacksonville, FL. 32210 ML
[phone] SHEET
C-1468 PROJECT LOCATION 1 of 11

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associates, inc.
VILLAGE OF BALD HEAD ISLAND
DATE
APPROVED
REVISION
611108
DRAWN BML
P 4438 Herschel Street
BEACH RESTORATION PROJECT
Jacksonville, FL. 32210
SHEET
[phone]
C-1466
CANDIDATE JAY BIRD SHOALS SAND SOURCE
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Easting (FT-NAD83)
Control Point
X Coordinate
Y Coordinate
A
2,294,120
44,680
B
2,296,340
42 940
C
2,293.24
39,250
D
2,291,430
40 890
SCALE: AS SHOWN
NOTE: DREDGE EXCLUSION AREAS NOT SHOWN
NOT FOR PURPOSES OF CONSTRUCTION
DATE APPROVED REVISION
---G==�-- Olsen 6/1/08
-•�� - associates, inc. VILLAGE OF BALD HEAD ISLAND DRAWN BY;
' 4438 Herschel Sheet BEACH RESTORATION PROJECT ML
JacksonviNe, FL. 32210
[phone] SHEET
• C-1468
JAY BIRD SHOAL BORING LOCATIONS
4 of 11

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Pt
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Borrow Area Control Points
Pt
E (feet -NAD 83)
Exclusion Zone
N (feet-NAD83)
A
2,294,120
44,680
K
2,295,100
43,400
8
2,291,430
40,890
L
2,294,100
43,000
C
2,293,240
39,250
M
2,294,250
42,600
D
2,296,340
42,940
N
2,295,300
42,850
E
2,294,630
44,280
Tide Gage
F
2,293,700
43,070
O
2,293,863
40,303
G
H
1
1
2,292,470
2,291,780
2,294,020
2,295,310
41,470
40,580
40,170
41,710
NOTE: DREDGE EXCLUSION AREAS SHOWN
NOT FOR PURPOSES OF CONSTRUCTION
DATE APPROVED REVISION
-=_-� olsen 6/1/08
sr= associates, Inc. VILLAGE OF BALD HEAD ISLAND DRAWN BY:
4438 Herschel5treet BEACH RESTORATION PROJECT ML
Jacksonville, FU 32210
[phone] SHEET
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associates, inc. VILLAGE OF BALD HEAD ISLAND DRAWN BY:
4438 Herschel Street BEACH RESTORATION PROJECT ML
Jacksonville, FL. 32210
[phone] SHEET
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associates, inc. VILLAGE OF BALD HEAD ISLAND DRAWN BY:
4438 Herschel Street BEACH RESTORATION PROJECT ML
Jacksonville, FL. 32210
[phone] SHEET
C-1468 BORROW SITE SECTIONS 6 of I I

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PROJECT BASELINE UTILIZED FOR786%00
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NOT FOR PURPOSES OF CONSTRUCTION x'=? ••, =: October 2006 Photography
-
-- =--� olsen
DATE
APPROVED
REVISION
6/1/08
..
VILLAGE OF BALD HEAD ISLAND
DRAWN BY:
4438 Herschel Street
BEACH RESTORATION PROJECT
JacksonAlle, FL. 32210
[phone]
PROJECT BASELINE
SHEET
C-1468
AND LIMITS OF WORK7
of 11

SOUTH BEACH
LIMIT OF PROJECT EASEMENT
Cr
ATLANTIC OCEAN
DISTANCE VARIES
m
EXISTING DUNE
u -
O
(VARIES) UMITOFWORK
lw9
+8.5
0
w
\ SLOPE
+8.0'
NGVD AVERAGE FILL DENSITY
APPROX. 100cy/ft
\`
BEACH FILL
MHW (2.5' NGVD)
EXISTING BEACH
ASSUMED FILL TEMPLATE SLOPE
PROFILE (TYP)
DURING CONSTRUCTION
NOTE:
; -12TO -15FT NGVD (TYI
FILL DENSITY TO VARY
SPATIALLY DEPENDING ON
CONDITION OF BEACH AT
INTERCEPT
SLOPE INTENTE
TIME OF CONSTRUCTION.
TYPICAL SECTION
OF FILL TOE
NT' -
DATUM: NGVD 29
LOCAL TIDAL DATUMS (FT)
WEST BEACH
MHHW +2.8
MHW +2.5
NAVD +1.1
NGVD(29) 0.0
MLW -1.8
MLLW -2.0
DUNE
CONDITIONS
VARY
BEACH FILL—
+8.5
—+8' NGVD
AVERAGE FILL DENSITY MHW (+2.5' NGVD)
— — — APPROX. 30cy/ft (Max) — —
-12'(TYP) ---------------�----
-20' �MLW (-1.8' NGVD)
CAPE FEAR RIVER
CHANNEL GORGE
TYPICAL SECTION
PROFILE (TYP)
NTS
DATUM: NGVD 29 NOT FOR PURPOSES OF CONSTRUCTION
DATE APPROVED REVISION
MC-1468
Olsen 6/1/08
associates, Inc. VILLAGE OF BALD HEAD ISLAND DRAWN BY:
4438 Herschel Street BEACH RESTORATION PROJECT ML
Jacksonville, FL. 32210
[phone] SHEET
TYPICAL FILL SECTIONS 8 of I I

NOTE:
ALL CONSTRUCTION ACTIVITIES
CONFINED TO SOUTH BEACH AND
WEST BEACH
SCALE
7"7m7
0 400 800 FT
October 2006 Photo
4 MATCHLINE B
------------
NOT FOR PURPOSES OF CONSNRLCI�ON
olsen
associates, inc.
4438 Herschel Street
Jacksonville, FL. 32210
[phone]
C-1468
VILLAGE OF BALD HEAD ISLAND
BEACH RESTORATION PROJECT
BEACH FILL PLAN
CAPE FEAR
MO AC".,
6/1/08
'AWN BY:
WAH
SHEET
11 of 11