HomeMy WebLinkAbout20081615 Ver 4_CAMA Application_20130731Pat McCrory
Governor
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North Carolina Department of Environment and Natural Resources
Division of Coastal Management
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Braxton C. Davis John E. Skvarla, III
Director Secretary
July 29, 2013 EWWN MEMORAN DUM: 3 1 2013
TO: Karen Higgins 401 Oversight A y
DWQ - Surface Water Protection
FROM: Doug Huggett, NC DENR -DCM Major Permits Co
400 Commerce Ave., Morehead City, NC 28557 (Courier 11- 12 -09)
SUBJECT: CAMA / D & F Major Permit Application Review
Applicant: Town of Topsail Beach Major Modification 22 -09
Project Location: within New Topsail Inlet, Topsail Creek, the "Cross -over channel" & Banks Channel
Proposed Project: to perform maintenance dredging, utilizing the spoil material as beach
nourishment along the ocean -front shoreline.
Please indicate below your agency's position or viewpoint on the proposed project and return this
form to Domo Hucurett at the address above by August 22, 2013. If you have any questions
regarding the proposed project, contact Jason Dail at (910) 796 -7215, when appropriate, in -depth
comments with supporting data is requested.
REPLY: This agency has no objection to the project as proposed.
SIGNED
This agency has no comment on the proposed project.
This agency approves of the project only if the recommended changes are
incorporated. See attached.
This agency objects to the project for reasons described in the attached comments.
DATE
127 Cardinal Drive Ext., Wilmington, NC 28405
Phone: 910 - 796 -7215 \ FAX: 910- 395 -3964 Internet: www.nocoastalmanagement.net
An Equal Opportunity \ Affirmative Action Employer
DIVISION OF COASTAL MANAGEMENT
FIELD INVESTIGATION REPORT
APPLICANT'S NAME: Town of Topsail Beach
2. LOCATION OF PROJECT SITE: The project site includes dredging New Topsail Inlet, Topsail Creek, the
"Cross -over channel" and Banks Channel (approximately 39,500 linear foot) and disposing the dredge material on
the beachfront area of the Town of Topsail Beach, in and adjacent to the Atlantic Ocean, in Topsail Beach, Pender
County.
Photo Index — 2006: 25- (6585- 6589): Oceanfront & 25 -6590: Inlet
2000: 25- (323 -327): Oceanfront & 25 -322: Inlet 1995: 25- (305 -310): Oceanfront & 25 -304: Inlet
State Plane Coordinates — GPS File: P- 093010A
X:2407901 Y:220652
Lat:34°20'55.07441 "N Long: 77 °38'55.14895 "W
3. INVESTIGATION TYPE: CAMA / D &F
4. INVESTIGATIVE PROCEDURE: Dates of Site Visit — 10/15/2011, 1/18/2012, 7/9/2013
Was Applicant Present — No
5. PROCESSING PROCEDURE: Application Received — Completed on 7/16/2013
Office — Wilmington
6. SITE DESCRIPTION:
(A) Local Land Use Plan — Town of Topsail Beach
Classification From LUP- No Classification/Developed
(B) AEC(s) Involved: EW, PT, ES, OH, IH
(C) Water Dependent: Yes
(D) Intended Use: Public
(E) Wastewater Treatment: Existing — Not applicable (N /A)
Planned - None
(F) Type of Structures: Existing — Commercial and Residential
Planned — No structures planned
(G) Estimated Annual Rate of Erosion: 2' /year Source —1998 LTAASCR Update
7. HABITAT DESCRIPTION: [AREA]
DREDGED FILLED OTHER
(A) Vegetated Wetlands
(B) Non - Vegetated Wetlands
+/- 10,432,620 sq.
+/- 6,194,232 sq. ft.
(Open water)
ft.
( +/ -142.2 acres)
(239.5 acres or
(intertidal spoil
891,000 yds')
deposition)
(C) Other (Highground)
1,533,312 sq. ft.
654,500 sq. ft.
( +/- 35.2 acres)
(DA -203) (reserved
(Dry beach spoil
for disposal of
deposition)
unsuitable material)
(D) Total Area Disturbed: 18,813,564 ft2 (431.9 ac.) with 654,500 sq. ft. (15.0 ac.) reserved for unsuitable
fill.
(E) Primary Nursery Area: No
(F) Water Classification: SA Open: No
Town of Topsail Beach
Page Two
8. PROJECT SUMMARY:
The applicant proposes to exceed the Federally maintained dredging limits within New Topsail Inlet, Topsail Creek, the
"Cross -over Channel" and Banks Channel, and utilize the spoil material for beach nourishment along the ocean front
shoreline of Topsail Beach.
9. PROJECT DESCRIPTION:
The project site includes a section of Banks Channel (including the "Cross- over" channel), New Topsail Inlet,
and Topsail Creek and the northern half of the oceanfront shoreline of Topsail Beach. The disposal area for the
project would begin at the Town line dividing the Town of Topsail Beach from Surf City and extend south to an
area near the terminal end of Ocean Boulevard, immediately adjacent to the Atlantic Ocean, in Topsail Beach,
Pender County. To get to the site from Wilmington take US HWY 17 N to NC Hwy 210 (which is located at the
Lowe's Home Improvement on US HWY 17). Turn right onto NC Hwy 210 and continue across the Surf City
Swing Bridge to the stoplight. Take a right at the stoplight, onto NC Hwy 50, and continue until you reach the
Topsail Beach/Surf City Town line. The project site encompasses approximately 5.0 miles of oceanfront beach
beginning at a location in close proximity to the Surf City/Topsail Beach Town line, and terminating near
Ocean Boulevard. The New Topsail Inlet, Banks Channel and Topsail Creek channel deepening project (from
where the sand is being removed) is located along the southern and western sides of Topsail Beach. New
Topsail Inlet (also referred to as Topsail Inlet) is located at the southern tip of Topsail Island. Current elevation
of the project area ranges from approximately —1.5' NAVD to approximately -23' NAVD. The project site is
adjacent to commercial and residential properties as well as infrastructure for the Town including NC Hwy 50.
Hutaff Island borders the project to the south, the Atlantic Ocean to the east and Banks Channel to the west. The
highground portion of the property is vegetated primarily with American Beach Grass (Ammophila
breviligulata) and Sea Oats (Uniola paniculata).
The long term annual erosion rate for the Town of Topsail Beach is 2' /year, per the Division of Coastal
Management's 1998 Annual Erosion Rate maps, and the 100 -year storm recession is approximately 150' giving
a total Ocean Hazard AEC of 270', as measured from the First Line of Stable Natural Vegetation (FLSNV).
There is an existing "Static" Vegetation line in use along Topsail Beach that is generally less restrictive than the
actual First Line of Stable Natural Vegeation.
PROJECT E ISTORYBACKGROUND:
The Town of Topsail Beach currently has an active CAMA Major Permit, Permit #22 -09 (originally issued on
2/2712009), which authorized beach nourishment to be carried out one time along the entire reach of Topsail
Beach utilizing spoil material generated from `Borrow Area X ", which is located along the eastern side of the
ebb shoal delta. After the initial project was completed, the applicant modified CAMA Major Permit #22 -09 on
12/1/2010, for another round of beach nourishment. Under this modification, `Borrow Area X" was eliminated
as a source site and portions of the AIWW, Topsail Creek and Banks Channel were added. Permit #22 -09 was
scheduled to expire on December 31, 2012. Most recently, the Town of Topsail Beach received another CAMA
Major Permit modification on February 17, 2012, which included general re- nourishment activities along the
beach. The current permit is scheduled to expire on December 31, 2015. Because the applicant currently holds
an active CAMA/Dredge and Fill permit for the proposed activities, this request should be considered a major
modification to the existing permit (also stated in the application).
Town of Topsail Beach
Page Three
Prior to issuance of Permit #22 -09, the Town of Topsail Beach performed its beach nourishment under CAMA
Major Permit #145 -98. Permit #145 -98 was originally issued on October 29, 1998, and subsequently modified
on 9/27/99, 2/21/00, 3/20/00, and 9/23/01. The permit was renewed on 2/26/02, and other modifications were
authorized on 5/7/04, 12/20/06, 1/13/06, 3/17/07 and 12/17/07. It appears the Town has performed beach
bulldozing/re- nourishment approximately 13 times since Permit #145 -98 was originally issued.
Historically, the US Army Corps of Engineers (USACE) has maintained New Topsail Inlet (also referred to as
Topsail Inlet) as a marked navigation channel, providing commercial and recreational access to the Atlantic
Ocean. Over the years, and with adequate funding, the USACE has been able to maintain the federal channel
with their side -cast dredge fleet. Traditionally, they have maintained a depth of -10.0' MLW (8' + 2' overcut)
using the side -cast dredge; however, periodic maintenance has become less frequent due to budget constraints,
the shallow depth of the inlet and the amount of material that's held in the inlet system by the side -cast
operations. According to the application package, the USACE has had to dredge the inlet (via side -cast)
approximately four (4) times per year in order to maintain navigability, at a tune of 235,000 cubic yards (cy)
per year. In the event the Corp is not capable of maintaining the inlet, the Town of Topsail Beach would like to
obtain approval to perform the maintenance work and utilize the material for beach nourishment.
The Town of Topsail Beach's Land Use Plan does not have the dry sand beach classified; however, the upland
areas of this project are classified as Developed. The waters of the project site are classified as SA by the NC
Division of Water Quality. The NC Division of Marine Fisheries has NOT designated this area of Topsail
Sound / Atlantic Ocean as a Primary Nursery Area (PNA), and the waters are CLOSED to the harvesting of
shellfish.
PROPOSED PROJECT:
The applicant proposes to exceed the Federally maintained dredging limits within New Topsail Inlet, Topsail
Creek and Banks Channel (including the "Cross -over Channel ") , and utilize the spoil material for beach
nourishment along the ocean front shoreline of Topsail Beach.
According to the application package, approximately 891,000 cubic yards (cy) of material would be removed
from the system (in Topsail Inlet, Topsail Creek and Banks Channel (incl. the cross -over channel) and placed
on the ocean front beach from the southern end of Ocean boulevard, north to the Topsail Beach/Surf City town
line (around Catherine Avenue). The dimensions /extent of the dredge limits (from all three locations) would
measure approximately 39,500' (L) x 80' -150' (W) to a depth of approximately -12.0' plus a 2.0' overcut in
Topsail Creek, -16.0 plus a 2.0' overcut in New Topsail Inlet and the Cross -over channel and -7.0' plus a 2.0'
overcut in Banks Channel, measured at Mean Low Water (MLW). As expected, deepening the proposed
thoroughfares would expand the width of the existing channels. As a result, both Topsail Creek and the "Cross-
over Channel" would be expanded to a width of approximately 150 feet, compared to the existing and
maintained width of 80 feet. Additionally, the increased width would result in an effective dredge width of +/-
310' in New Topsail Inlet (if dredged to 16' +2' at a 5:1 side slope ratio). The dredge limits would include four
sections total, two within the inlet, one in Topsail Creek and one cut in Banks Channel. Essentially, the entire
extent of the dredging project would occur from the midpoint of the USACE's Range 9 project (Topsail Banks
Channel — FID 316), located at 34 °21'26.23 "N, 77°38'41.05 "W, to an area landward of the ebb shoal delta,
located at approximately 34 °20'24.59 "N, 77 139'53.04 "W. Please refer to Sheet 19 of 28 in the application
package for an approximate location of the channel alignment. A cut with side slopes of 3:1 would follow
the centerline of the channel, or thalweg of the inlet, at the time of construction. The applicant states should the
inlet shift, or encroach into any wetland areas prior to the time of construction, the channel would be shifted
away from the marsh in order to avoid any potential impacts.
Town of Topsail Beach
Page Four
As proposed, beach quality sand removed from New Topsail Inlet would be disposed of on the oceanfront beach
within the town limits of Topsail Beach, essentially spanning the entire portion of the Town's oceanfront
shoreline. According to the applicant, the overall beach berm width would be dependent on the total volume of
material available at the time of construction; however, the estimated calculations (23,576 in length x 500' in
width) should be sufficient to accept the amount of material being removed. As noted, the project would mimic
recent nourishment events along Topsail Beach. The applicant states that the beach berm elevation would be
built to 5.0 NAVD88 with a 1:25 beach face profile. Accordingly, this profile ratio would create a more natural
contour, thereby reducing scarping and allowing higher storm tides to wash up onto the berm rather than
eroding the beach.
The application package indicates that the majority of material being removed from New Topsail Inlet would be
compatible with the native beach; however, unanticipated setbacks and unsuitable materials are always a
concern. In the unlikely event that unsuitable (non -beach quality) material is encountered, the applicant
proposes to scrape the undesired material from the oceanfront and temporarily stage it at the Town owned Bush
Marina, located at 912 S. Anderson Blvd. All unsuitable material withheld during the project would be staged at
the marina until the maintenance is completed. At that time, the material would be used to repair boat wake
induced erosion at the USACE Disposal Area (DA) 203, outside of the USACE right -of -way.
Currently, the island is in need of repair along the Topsail Creek side and any shell and/or sand not suitable for
the beach would be used to rebuild/reform the dike wall and escarpment. A triangular portion of the island is
available, pending USACE approval, and a small rectangular section within that triangle has been depicted as
needing stabilization. The area measures approximately 500' in length x 65' in width, or approximately 32,500
sq. ft. For additional information on the location and size of DA -203, please refer to Figure 1, on Page 19
of the application package.
Logistically, the project would involve the use of a 24" class hydraulic dredge. As proposed, the pipeline would
span along the western side of the island along Banks Channel and traverse the island via existing under -road
sleeves at Drum Street, Smith Street and Queen's Grant. The beach disposal would consist only of beach berm
and slope construction, with no disturbance to any vegetation within the dune system. Theoretically, the project
should align with the existing federal dredging project and should remain consistent with the existing Topsail
Beach nourishment work.
In order to complete the project, the Town would need to acquire property easements from all oceanfront
property owners. Currently, the Town is in the process of doing so in anticipation of the thirty year inlet and
sound management plan. These easements are under review and the Town is expected to release the easement
package to the residents in the near future. In any event, the Town is aware that easements will be required prior
to project start up on any private property.
The geotechnical data and sediment characteristic information indicates that an appropriate amount of samples
were collected at adequate intervals. Based on the information presented in the application package, the
applicant was able to meet the sediment criteria established under current CRC Rules. As proposed, this project
would consist of no more than 5.82% silt, 5.17% gravel and 26% shell (calcium carbonate). Actual calculations
of those materials found in New Topsail Inlet, through borings collected during Winter 2011, are 0.27% fine
(silt), 3.91% gravel and 11.6% shell (calcium carbonate). Refer to Table 2 on Page 8 of the application
package narrative for tabular information on grain -size analysis.
Town of Topsail Beach
Page Five
In summary, the proposed beach fill project and channel dredging activities would remain within the Town
limits. The footprint of the previously dredged federal channel would be expanded, both vertically and
horizontally, thereby exceeding the depth and width of the federal channel. As proposed, the entire project
would overlap previously impacted areas along the oceanfront as well as previously dredged areas within
Topsail Creek, New Topsail Inlet and Banks Channel.
10. ANTICIPATED EM PACTS
The proposed dredging project would disturb approximately 10,432,620 ft.2 of both new and previously
excavated shallow bottom area and the proposed beach nourishment activities would result in the disturbance of
approximately 7,727,544 ft.2 of oceanfront beach, within both the intertidal zone and dry sand beach. In
addition, approximately 32,000 ft.2 of high ground has been reserved for unsuitable material at the USACE DA-
203.
Submitted by: J. Dail Date: July 24, 2013 Office: Wilmington
PROJECT NARRATIVE
revised April 23, 2013 and July 2013
TOPSAIL BEACH NOURISHMENT PROJECT
FEDERAL NAVIGATION CHANNEL MAINTENANCE
AND BEACH PLACEMENT PROJECT
WINTER 2013
Topsail Creek, New Topsail Inlet, and Banks Channel
Town of Topsail Beach, NC
Pender County, North Carolina
Introduction
The Town of Topsail Beach is submitting a US Army Corps of Engineers (COE)
Individual Permit (IP) application and a NC Division of Coastal Management (DCM)
Coastal Area Management Act (LAMA) Major Permit application for authorization of a
beach nourishment project. The Town is requesting to dredge within sections of the
federally- maintained channels of. (1) Topsail Creek, (2) New Topsail Inlet, (3) Banks
Channel and (4) the New Topsail Inlet to Banks Channel Cross Channel.
Federally- approved depth in Topsail Creek is 7 +2 -ft and is proposed to be dredged to
12 +2 -ft for this project. Federally- approved width in Topsail Creek is 80 -ft and is
proposed to be 150 -ft for this project. Federally- approved depth in New Topsail Inlet is
8 +2 -ft and is proposed to be dredged to 16 +2 -ft for this project. Dredge width would
match the federally - approved width of 150 -ft in New Topsail Inlet. Federally- approved
depth in the New Topsail Inlet -Banks Channel Crossover Channel is 7 +2 -ft and is
proposed to be dredged to 16 +2 -ft for this project. Federally- approved width in the
Crossover Channel is 80 -ft and is proposed to be 150 -ft for this project. The federally -
approved depths (7 +2 -ft) and width (80 -ft) would be maintained in Banks Channel.
Suitable sand obtained from dredging would restore beach profiles as previously
approved by the Town's 2010 -2011 beach nourishment project. All nourishment work
would be contained within the footprint of the previously approved project and within the
associated, existing 30 -year easement.
Project Area
The Town of Topsail Beach is the southem -most of three coastal communities located on
Topsail Island in Pender County, North Carolina. Topsail Island is a barrier island
bordered by New River Inlet to the northeast and New Topsail Inlet to the southwest.
New Topsail Inlet separates Topsail Island from the undeveloped 3.7 -mile long, barrier
island of Lea Island.
The Town of Topsail Beach encompasses the southern most 5.0 -miles of the island. The
Town is bordered to the north by The Town of Surf City, to the south by New Topsail
RECEIVED
Town of Topsail Beach, Beach Nourishment Project Winter 2013 DCM WILMINGTON, NCB
CAMA Major Permit Application, Project Narrative 1ui- i q 2013
Inlet, and to the west by Banks Channel and Topsail Sound. The island is accessed by
HWYs 210 and 50, with Hwy 50 being the only road access into the Town of Topsail
Beach. The Town's geographic coordinates are Latitude 34° 22'10" N; Longitude 77°
37'30" W (NAD83).
The project area includes approximately 4.5 -miles of beach within the Town limits and
four directly adjacent, federally- maintained navigation channels which have been
identified as borrow areas for beach suitable sand. The federal channels are located
within the inlet and back barrier marsh complex to the south and west of the Town.
Banks Channel is a man-made navigation channel located along the western side of
Topsail Island and is separated from the Atlantic Intracoastal Waterway (AIWW) by back
barrier marsh areas and spoil disposal islands. New Topsail Inlet and the Crossover
Channel to Banks Channel have been traditionally dredged to provide navigable access to
Banks Channel and to Topsail Creek, currently located slightly northwest of the inlet.
Topsail Creek is maintained to provide navigable connection to the AIWW (Sheet 2 of
28).
Existing Conditions
Topsail Island is generally low in topography and is protected by a narrow (< 10 ft wide)
single foredune. Orientation of the island is northeast to southwest, leaving the island
vulnerable to impacts from tropical and extratropical storms. As documented by previous
studies conducted by the Corps and the Town, New Topsail Inlet is generally migrating
southwest with sand transport from south to north across the island. Growing
infrastructure combined with an increased frequency of storms, inlet migration and sand
transport has resulted in loss of beach and damage to property and infrastructure. The
Town of Topsail Beach completed its first beach nourishment project in the winter of
2011 in order to create a protective beach profile.
Waters from the mouth of New Topsail Inlet to Topsail Creek and into Banks Channel
are classified by the NC Environmental Management Commission (EMC) as SA, HQW.
The back barrier marsh and tidal creek complex behind the inlet and Topsail Island are
classified as primary nursery area (PNA) by the NC Marine Fisheries Commission (15 A
NCAC 031.0101). The PNA definition and mapping excludes Banks Channel and the
channel of Topsail Creek. Tides in these waters are semi - diumal with a range of 3.7 -ft
and an average spring tidal range of 4.3 -ft. Subtidal areas directly adjacent to the
channels are generally shallow with sandy, soft bottoms.
Channels within the project area are dredged by the US Army Corps of Engineers (Corps)
to maintain a depth of 7 +2 -ft in Topsail Creek, the Crossover Channel, and Banks
Channel and to a depth of 8 +2 -ft in New Topsail Inlet. Due to the shallow draft
requirements, dredging is done with a side - casting dredge which disturbs an area of
approximately 625 -ft in width during each operation. Dredging within the inlet is
currently done two to three times per year, and planning for the next maintenance event is
often started before the current dredging is complete. Two dredging events are scheduled
for 2013
RECEIVED
DCM WILMINGTON, NC
Town of Topsail Beach, Beach Nourishment Project Winter 2013 2
CAMA Major Permit Application, Project Narrative JUL 1 6 2013
Approximately 3,000 -1ft of the southern end of the island is undeveloped and consists of
sandy beach along the inlet and Banks Channel and with a central area of low, vegetated
dunes. The majority of this undeveloped southern end is mapped by the US Fish and
Wildlife Service ( USFWS) as part of the L07, or Lea/Hutaff Island, Coastal Barrier
Resource System (CBRS). This undeveloped portion of the island is also mapped by
USFWS as critical habitat for Piping Plover.
There are no known areas of submerged aquatic vegetation in the shallow waters directly
adjacent to the Topsail Creek channel. Dynamic areas within and just behind the inlet are
not expected to provide good SAV habitat, and no known SAV has been documented in
the project area_
' Purpose and Need
The purpose of the proposed project is to obtain beach compatible sand in a cost- effective
manner and to maintain beach profiles that will protect property and public infrastructure
within the Town of Topsail Beach. Storm protection projects have been designed and
sought for the Town of Topsail Beach by the Corps and the Town since 1989. The Corps
completed an Environmental Impact Statement (EIS) for a federal storm protection
project in 1992 (West Onslow and New River Inlet (Topsail Beach) Shore Protection
Project at Topsail Beach), and a joint General Re- evaluation Report GRR/EIS of that
project was completed in 2008. Both reports document growth of the beach as a resort
community, an increased frequency of extratropical storms, inlet migration to the
southwest, and a net loss of sand from the southern end of the island to the north at a rate
d ranging between 200,000 cy /year to 325,000 cy /year. The combination of the physical
dynamics, geomorphic position and vulnerability to storms, and increased development
k necessitates protection of property and efforts to reduce storm damage costs. The Corps'
EIS and GRR reports developed a design for a beach template that was determined to
provide protection to adjacent properties and identified borrow area sources for a long
term (50 -year) nourishment project. Due to a combination of funding issues, the federal
project has not yet been implemented, and the Town has sought locally - funded interim
projects. In the winter of 2011 and after Hurricane Irene in August 2011, the Town
i completed its first nourishment project and placed approximately 1- million cy of sand on
the beach in the template generally provided in the federal report.
The May 2012 beach monitoring survey shows central and northern portions of beach
within the Town limits have lost sand, and beach profiles are returning to pre -
nourishment conditions. Enclosed Sheets 13 -15 of 28 show pre- nourishment profiles
(8/29/2011) and current profiles (5/3/2012) for several monitoring stations along the
beach. At approximately half of the stations, the 2012 profile is very similar to the pre -
nourishment profile. Loss of sand along these sections of beach illustrates the continual
effects of inlet migration and sand transport across the island. Current beach profiles and
the on -going physical dynamics of the system necessitate an i ediate nourishment
event to protect the adjacent properties and infrastructure from &Qj" ture
storm events. W ILMIN(.T�N ���,
-JUL , 2013
Town of Topsail Beach, Beach Nourishment Project Winter 2013
CAMA Major Permit Application, Project Narrative
Alternative Analysis
No Action
The federal storm reduction project study West Onslow and New River Inlet (Topsail
Beach) Shore Protection Project at Topsail Beach initiated in 1989, finalized in 1992 and
re- evaluated in 2008 has documented a need for protection of property and infrastructure
along Topsail island including the Town of Topsail Beach. The EIS and GRR/EIS
reports describe inlet migration, net transport of sand from the southern end of the island
northward, the low lying position and southeast facing beach, increased frequency of
storm impacts, and increased growth and infrastructure. With a lack of any action,
geologic processes and sediment dynamics will continue and will leave property
vulnerable to storm damage. Lacking a nourishment event, any extratropical or tropical
storm could do significant damage to private property and public infrastructure resulting
in significant costs. Secondarily, loss of public access beaches could impact public use
and tourism revenue. The potential cost of damages resulting from a no- action
alternative could exceed that of a cost - effective nourishment project. Due to the eventual
loss of property, infrastructure, public access areas, and the associated costs, the no-
action alternative is not preferred.
Implementation of a Federal 50 -year Storm Reduction Project
An EIS for the federal storm reduction project, West Onslow, and New River Inlet
(Topsail Beach) Shore Protection Project at Topsail Beach, finalized in 1992 identified
ebb tide delta portions of New Topsail Inlet as a borrow area that could provide beach
suitable sand for an initial nourishment event and a 50 -year nourishment program. Due
to an inability to provide the necessary local funding component, the project was not
initiated and became inactive in 1994. Following an increased frequency of hurricanes
and associated damage costs in the late 1990's and early 2000, a General Re- evaluation
Study was started in 2001 to reassess the feasibility of a long tern federal project. The
GRR/EIS report released in 2008 identified six potential offshore borrow areas and
approved a nourishment plan termed "Plan 1250X' with use of an offshore borrow area
1 -3 miles offshore (Borrow Area A). However, the report cites the Office of
Management and Budget's description of federal spending constraints at the time of the
report. Federal funding for long term shore protection projects was described as
uncertain, and any federal funding for the initial construction of already authorized shore
protection projects was a low priority. The estimated cost of a 50 -year project adjusted
for projected inflation was $277,000,000, the federal portion of which would be
$144,000,000. The office also stated an uncertainty in the ability to fund substantial long
term costs.
While a federal project remains part of the Town's long term beach maintenance plan,
uncertainty of funding and the amount of time to initiate any such project makes waiting
for a federal project impracticable. An interim and additional plan for nourishment is
needed given the continual loss of beach.
-- :1 . .
Offshore Borrow Sources = t; l v
Offshore areas along Topsail Island have been investigated nurneroii's iiit A e
previously referenced projects. In brief summary of these findings, �r0ftivel xp sive
Town of Topsail Beach, Beach Nourishment Project Winter 2013 4
CAMA Major Permit Application, Project Narrative
areas of hard bottom areas exist offshore of Topsail Island. Thin layers of beach
compatible sand overlay these areas, and available volumes do not tend to support a cost -
effective project. These hard bottom areas also support a unique and highly functioning
ecological resource which could be adversely impacted by use of the areas.
Offshore areas with significant amounts of sand were identified by marine geophysical
surveys conducted as part of the Corps' GRR/EIS. Six potential offshore areas were
identified. Of those areas, ones located further than 3 -miles from shore would be subject
to federal mining requirements and were not preferred. Of the remaining areas, a borrow
area approximately 1.5 -miles southeast of New Topsail Inlet was identified as having the
most suitable sand and providing the most sand relative to the cost of dredging. This
borrow area `Borrow Area A" was identified as the primary borrow area for the federal
project.
When funding for the federal project was not immediately available, an
interim/emergency project was sought by the Town (Topsail Beach Interim Beach
Nourishment Project). That project further refined the Borrow Area A and identified a
subset of that area termed `Borrow Area X '. This borrow area was found to be the
LEDPA in the projects EIS and was authorized by the 2009 DA Permit. However, the
project was found to be financially unviable when construction cost obtained during the
bid procurement phase significantly exceeded anticipated costs. The borrow area would
have also impacted 127 -acres of EFH. The project was not completed due to the cost of
obtaining and moving material from the offshore area. The combination of extensive
hard bottom areas and the cost of moving suitable offshore material has, so far, made use
of these areas impracticable.
Inland Borrow Areas and Federal Channel Maintenance Only
The Corps' GRR/EIS concluded that inland areas within and around the New Topsail
Inlet contained substantial amounts of beach compatible sand. However, the Corps'
policy of avoiding work in CBRS made their use of these borrow areas not possible. The
2009 project permitted by the Town later concluded the volume of sand in these inland
areas was not sufficient, and therefore, preferred the offshore "Borrow Area X ". In 2010,
the Town conducted additional surveys and found an adequate volume of beach -
compatible in a the federal channel of Topsail Creek, New Topsail Inlet and two nearby
Corps disposal islands. The Town requested and received a modification of the 2009 DA
permit to utilize these inland areas.
Use of the spoil disposal areas is not available at this time since the 2011 nourishment
removed the majority of the material. Use of the adjacent federal navigation channels to
the federally- authorized depths alone would not provide enough material for a
nourishment project. The applicant's preferred alternative also has the potential to reduce
future maintenance dredging that would not be realized with dredging to the currently
approved dimensions only.
# It is noted that a full range of alternatives for beach fill, including a no action alternative,
were addressed in the 2009 FEIS, ROD, associated DA permit isd to the Town, as
Ic V
Town of Topsail Beach, Beach Nourishment Project Winter 2013 ��M ��I►_ -MIN(; r Q 5
CAMA Major Permit Application, Project Narrative N, NC;
Jtti. 2013
well as in the subsequent EA for the 2011 modification of that permit. Those documents
may be referenced for additional details on the previously examined alternatives.
Applicants Preferred Alternative / Proposed Project
Given the funding uncertainty and timing of a federal storm protection project and the
prohibitive cost associated with off -shore borrow areas, the Town proposes to utilize
inland borrow areas as a source of beach compatible sand. Use of directly adjacent,
federally - maintained navigation channels as borrow areas has the benefit of minimizing
dredging cost, may lessen potential adverse environmental impacts by utilizing existing
channels, and may have the secondary benefit of decreasing the frequency of federally -
conducted maintenance events performed by a shallow -draft side cast dredge.
As part of a May 2012 monitoring effort, the Town conducted a bathymetric survey in the
adjacent federally - maintained channels of Topsail Creek, New Topsail Inlet, the
Crossover Channel, and Banks Channel. The project engineer (C. Gibson, GBA) has
determined from that survey and sediment data that enough beach compatible sand is
available to warrant a beach nourishment project. Volume of beach compatible sand
available from these borrow areas is estimated to be 891,000 cy, Sheet 20 of 28.
In these curved sections of channel, that are subject to heavier shoaling due to geometry
and location in the inlet, the increased depth could reduce the frequency of federal
maintenance events. The project engineer estimates dredging frequency within the inlet
may be reduced from two to three times a year to once every two years. A longer interval
between maintenance events could allow environmental conditions to recover and offset
any potential impacts associated with the increased depth. It is noted that coordination of
federal maintenance with beach nourishment efforts is one of the goals outlined in the NC
Beach and Inlet Management Plan (BIMP).
Specifically, the Town proposes to dredge: (1) approximately 2,500 - linear feet of the
southern extent of Topsail Creek, Sheets 16 and 17 of 28, (2) approximately 4,100 - linear
feet of New Topsail Inlet from Topsail Creek to the mouth of the inlet at the ebb shoals,
Sheets 21 and 28 of 28 (3) the approximately 4,600 - linear foot Cross Channel between
New Topsail Inlet and Banks Channel, Sheet 21 of 28, and (4) shoaled areas within
Banks Channel along the approximately 28,300 - linear feet adjacent to the Town.
The project proposes to dredge beyond the federally - authorized depths in these sections
of Topsail Creek, New Topsail Inlet, and the Crossover Channel to depths of 12 +2, 16 +2,
and 16 +2 respectively (Table 1). Bottom widths in Topsail Creek and the Crossover
Channel are proposed at 150 -ft which exceeds the federally - authorized widths of 80 -ft.
Dredging within Banks Channel and would maintain federally - authorized dimensions.
Dredging would follow the centerline of the channel and would not seek to relocate or
alter the channel alignments.
Dredging in New Topsail Inlet to a depth of 16 +2 -ft with 5:1 side slopes would result in
an effective dredge width of 310 -ft. This footprint would impact 12.4 -acres of shallow
bottom within the existing maintained channel and 49.7 -acres of sRENC" aside
Town of Topsail Beach, Beach Nourishment Project Winter 2013 DCNI WrL M/NGTON �1f
CAMA Major Permit Application, Project Narrative JUL 5, f t9 1
the maintained channel for side slopes. However, the increased depth would allow a
larger ocean- certified dredge to access the areas and would eliminate the need for a
shallow -draft side -cast dredge. While the federally authorized channel width of the inlet
is 150 -ft, use of a side cast dredge has an effective width of 625 -ft wide due to the extent
of the side cast material deposited on adjacent inlet shoals. Although the proposed depth
would' exceed the existing, maintained depths, the ability to utilize a hydraulic dredge
would reduce the effective area impacted from a 625 -ft width to a 310 -ft width. The
project engineer has estimated that placement of the dredged material on the beach rather
than side casting the material will reduce shallow bottom impacts in New Topsail Inlet by
roughly 50 %. This is based on an average area of side cast outside the federally -
approved channel of 1.6 -acres per 100 -ft of dredged channel verses bottom impacts
proposed by this project of roughly 0.76 -acres per 100 -ft of dredged channel.
Dredging in Topsail Creek, Banks Channel and the Crossover Channel is estimated to
impact 177.4 -acres of shallow submerged bottom, of which 152.9 -acres are within the
federal navigation channel footprint and 24.5 -acres are the result of side slopes exceeding
the current footprint. All excavation is estimated to impact a total of 239.5 -acres of
shallow, submerged bottom.
Depths requested in this project are not intended to revise the federally- approved
maintenance depths. Following the initial dredging and nourishment, additional
nourishment events would be triggered when the Town's regular monitoring of beach
profiles shows a 30% loss of beach sand. Dredging in the federally - maintained channels
would only be done if the borrow area sections of the channels identified in this permit
application have shoaled to depths less than the federally- maintained depths.
Dredging would be conducted from November 16a' to March 31" in order to avoid times
of peak biologic activity. A hydraulic, or cutter head suction, dredge would be used. No
upland borrow sources are requested, and no adjacent coastal marsh fringe would be
directly impacted.
Table 1. Pro osed Dredging, Inland Borrow Areas.
Town of Topsail Beach, Beach Nourishment Project Winter 2013 JuL 2013 7
CAMA Major Permit Application, Project Narrative
Linear
Federally-
Federally-
Proposed
Proposed
Feet
Authorized
Authorized
Depth
Width
Dredge Area
Dredg!ng
Depth
Width
Topsail Creek
2,500 -1ft
7 +2 -ft
80-ft
12 +2 -ft
150-ft
southern end
New Topsail Inlet
4,100 -Ift
8 +2 -ft
150 -ft
16 +2 -ft
150 -ft
(Topsail Creek
(no change)
to ebb shoal
Crossover Channel
4,600 -ift
7 +2 -ft
80 -ft
16 +2 -ft
150 -ft
(New Topsail
Creek to Banks
Channel
Banks Channel
28,300-Ift
7 +2 -ft
80 -ft
7 +2 -ft
80 -ft
(portion adjacent
(Shoaled
(no ERER El
Vtzbnge)
to Town of
areas along
DCM WUI/11
1GTON NC
Topsail Beach
that length)
Town of Topsail Beach, Beach Nourishment Project Winter 2013 JuL 2013 7
CAMA Major Permit Application, Project Narrative
Incl. Sections 1
and 2)
"Side channels off Banks Channel may be maintenance dredged as needed to the federally- authorized
depth or -/+2-tt and within the federally- authorized 80 -ft width.
Beach fill would be placed in the same footprint previously described in the SFEIS for
the Topsail Beach Interim Beach Nourishment Project and as authorized in the associated
2009 DA permit and its subsequent 2010 -2011 modification. These previous
authorizations allowed for nourishment of 24,700 -Ift of beach extending from
approximately 1,000 -ft south of Goodwin Avenue to approximately 2,000 -ft north of the
Town limits.
The current project proposes to place beach compatible sand as defined by the NC
CAMA (15A NCAC 07H.0312) on 23,576 -Ift, or approximately 24,000 -Ift, of beach
(Sheets 3 -12 of 28) within the Town limits. A berm of varying width would be
constructed to a height of 5 -ft (NAVD88) with a 1:25 fill slope extending from the
waterward edge of the berm to the intertidal zone of the beach (Sheets 13 -15 of 28).
Included in the 23,576 -Ift is an approximately 500 -Ift transitional zone or fill taper from
Goodwin Avenue south and an approximately 500 -Ift transitional zone or northern fill
taper ending just beyond the Town limits. It is estimated that beach fill would be placed
on 177.4- acres, 142.2 -acres in intertidal areas below MHW and 35.2 -acres above MHW.
Sediment testing has been conducted and found material in the proposed borrow areas
will comply with CAMA/CRC definitions of beach compatible material. A summary of
the sediment data has been provide and summarized by the project engineer in Table 2,
below. The full sediment report can be provided upon request.
Table 2. WelAted avm a erain_size. New Topsail Inlet and Tornil Creek.
Hydraulic dredging will utilize previously approved pipeline routes and entry points onto
the island. Established cross -over points on the island from the sound side to beach side
would reduce potential impacts to bird habitat at the southern end of the island and to
turtle habitat along the beach. Enclosed project plans show vehicle and eq'W C)
ACM WILMINGTON, NC
Town of Topsail Beach, Beach Nourishment Project Winter 2013 8
CAMA Major Permit Application, Project Narrative JUL i !�g 7Q 1 3
Mean
Fine
Sand
Granular
Gravel
Carbonate
(Mm)
( %)
( %)
( %)
(%)
( %)
(<0.0625 mm)
(0.0625.2.0
(2.04.76 mm)
(4.76 -76.0 mm)
Location
mm)
New
0.32
0.27
94.57
1.25
3.91
11.6
Topsail
Inlet
_
Topsail
0.21
0.27
99.65
0.02
0.06
2.3
Creek
Topsail
0.24
0.94
98.06
0.82
0.17
11.0
Beach
native
CRC
N/A
5.94
N/A
5.82
5.17
26.0
threshold
Hydraulic dredging will utilize previously approved pipeline routes and entry points onto
the island. Established cross -over points on the island from the sound side to beach side
would reduce potential impacts to bird habitat at the southern end of the island and to
turtle habitat along the beach. Enclosed project plans show vehicle and eq'W C)
ACM WILMINGTON, NC
Town of Topsail Beach, Beach Nourishment Project Winter 2013 8
CAMA Major Permit Application, Project Narrative JUL i !�g 7Q 1 3
points at Drum Avenue, Crews Avenue, north of Strawberry Lane, and Humphrey
Avenue.
The proposed fill will mimic the previously approved footprint and beach profiles, and no
expansion of the previously approved template is requested. All fill would be placed
within the 30 -year easement secured and utilized during the winter 2011 nourishment
event.
Environmental Resources
Work on the beach falls within the footprint and utilizes the template previously
approved by the 2009 DA Permit and its associated 2010 -2011 modification. Permit
review and the associated EIS documents for these projects frilly explored potential
effects of the beach fill on key environmental resources such as Piping Plover, Seabeach
Amaranth, and sea turtle nesting areas. The Biological Assessment prepared for the 2009
Topsail Beach Interim Beach Fill Project and the EA prepared for the 2010 modification
are referenced for this project. Based on the previous findings, beach fill is not
anticipated to have a significant adverse effect on these biological resources. It is noted
that during the 2009 permit application process, the NC Natural Heritage Program
commented they had no record of rare species, significant natural communities,
significant natural heritage areas, or conservation managed areas within 0.25 -miles of the
project area. The project will continue to use the designated equipment and vehicle
access areas from the sound side of the island. No earth work, or work of any kind, will
be done on the beaches or dunes at the undeveloped end of the island within the mapped
critical habitat area for Piping Plover. Timing of the work will observe the sea turtle
nesting moratorium to avoid potential impacts to these biological resources.
Although dredging proposes to increase the width of dredging in Topsail Creek, dredge
profiles (Sheet 18 of 25) indicate all work would be done in depths below MLW.
Dredging profiles for the New Topsail Inlet (Sheet 22 of 28) also show dredging would
be done in depths below MLW, indicating there should be no significant impact to
intertidal areas that might be used as foraging areas by Piping Plover and other
shorebirds. Dredging would be done during winter months when water temperatures
should lessen the potential for a dredge- related impact to sea turtles.
Potential impacts to Essential Fish Habitats (EFH) were also evaluated prior to issuance
of the 2009 permit and its 2010 modification. The EFH Assessment prepared for the
2009 beach nourishment project and the EA prepared for the subsequent 2010 -2011
permit modification is referenced for this project. The 2010 permit modification
evaluated potential impacts to EFH when utilizing a portion of the Topsail Creek and
New Topsail Inlet channels as borrow sources. No potential adverse impacts were found.
The currently proposed increase in depth and width (Topsail Creek section only) would
affect submerged sandy bottom. Where channel depth is being increased, impacts would
be contained to an area already impacted several times a year by maintenance dredging.
The proposed project may offset any potential additional impacts resulting from
increased width and depth by increasing time between events and allowing for longer
recovery. Impacts to infaunal communities within the additional dredge width area of
Town of Topsail Beach, Beach Nourishment Project Winter 2013 RECEIVED 9
CAMA Major Permit Application, Project Narrative �rM , /V11- MINGTON. N
lUL a 2013
Topsail Creek is not expected to have an appreciable effect on the communities and
conditions are expected to be temporary and re- establish quickly. In addition, direct
spatial impacts to benthos will be reduced by decreasing the need for use of the federal
side -cast dredge.
Primary nursery areas within the back barrier marsh complex are not expected to be
directly impacted since work will be limited to the maintained channels and the directly
adjacent areas included within the side slope area of the current channel. No SAV
resources are known to exist near the proposed dredge areas and no coastal marsh would
be excavated.
Contact Information
All review agency questions and comments regarding this submittal should be directed
to:
Land Management Group, Inc.
Attn: Topsail Beach BIS Project
3805 Wrightsville Ave., Suite 15
Wilmington, NC 28403
Phone: 910 -452 -0001
Email: lstasavichnlmgroup.net
aCM WILMINGTON NC
JUL Y 6 2013
Town of Topsail Beach, Beach Nourishment Project Winter 2013 10
CAMA Major Permit Application, Project Narrative
DCM MP -7
APPLICATION for
Major Development Permit
a_._
(last revised 12127/06)
North Carolina DIVISION OF COASTAL MANAGEMENT
1. Primary Applicant/ Landowner Information
Business Name
Project Name (if applicable)
Town Of Topsail Beach
Topsail Beach Nourishment Project, Winter 2013
Applicant 1: First Name
MI
Last Name
c/o Mr. Tom
Holloman
Applicant 2: First Name
MI
Last Name
N/A
Laura
If additional applicants, please attach an additional page(s) with names listed.
Mailing Address
PO Box
City
State
820 S. Anderson Blvd.
Topsail Beach
NC
ZIP
Country
Phone No.
FAX No.
28445
USA
910 - 328 -5841 ext.
910 - 328 -1560
Street Address (if different from above)
City
State
ZIP
N/A
Phone No. 1
.
Email
2. Agent/Contractor Information
Business Name
Land Management Group Inc.
Agent/ Contractor 1: First Name
MI
Last Name
Laura
Stasavich
Agent/ Contractor 2: First Name
MI
Last Name
GBA, Chris
Gibson
Mailing Address
PO Box
City
State
3805 Wrightsville Ave., Suite 15
Wilmington
NC
ZIP
Phone No. 1
Phone No 2
28403
910 -452 - 0001
ext
- - ext.
FAX No.
Contractor #
910 452 0060
Street Address (if different from above)
City
State
ZIP
N/A
_
Email
N/A
RE'L.EIVE®
DCM WILMINGTON, NC
<Form continues on back> ,�11 Q 1 2U I3
252 - 808 -2808 :: 1- 888- 4RCOAST :: www.nccoastaImanagement.net
Form DCM MP -1 (Page 2 of 4)
APPLICATION for
Major Development Permit
3. Project Location
County (can be multiple)
Street Address
State Rd #
Pender
N/A
narrative for area below MHW).
Subdivision Name
City
State
Zip
N/A
Varies (see profiles in application figures) ❑NHW
-
Phone No
Lot No.(s) (if many, attach additional page with list)
- - ext
N /A, I I ,
a. In which NC river basin is the project located?
b Name of body of water nearest to proposed project
FLat—
New Topsail Inlet, Topsail Creek, Banks Channel, Atlantic
!�
Ocean
c. Is the water body identified in (b) above, natural or manmade?
d. Name the closest major water body to the proposed project site.
®Natural ❑Manmade ❑Unknown
New Topsail Inlet, Banks Channel, Atlantic Ocean
e. Is proposed work within city limits or planning jurisdiction?
f. If applicable, list the planning jurisdiction or city limit the proposed
®Yes ❑No
work falls within.
I Is the proposed project located in a National Registered Historic District or does it involve a ❑Yes ®No ❑NA
Town of Topsail Beach
4. Site Description
a. Total length of shoreline on the tract (ft.)
b. Size of entire tract (sq.ft.)
Approx. 23,576 -Ift of beach shoreline, approx. 39,500 -Ift of
Approx. 35.2 -ac of beach fill above MHW (see project
dredging in borrow areas (see project narrative)
narrative for area below MHW).
c. Size of individual lot(s)
d. Approwmate elevation of tract above NHW (normal high wateo or
N /A, I
NWL (normal water level)
(If many lot sizes, please attach additional page with a list)
Varies (see profiles in application figures) ❑NHW
or ❑NWL
e. Vegetation on tract
Landward portions of the proposed beach fill area contain typical dune vegetation such as Sea Oats, American Beachgrass,
and Bitter Panicum. Dry beach, wet beach, and submerged borrow areas are unvegetated.
f. Man -made features and uses now on tract
Project areas include beach utilized for public access and recreation. Adjacent public trust waters are utilized for navigation
and recreation. Beach fill areas contain few man -made structures but are directly adjacent to residential homes and public
beach accesses.
g. Identify and describe the existing land uses adjacent to the proposed project site.
Adjacent to beach nourishment activites are residential to the north and undeveloped to the south.
h. How does local government zone the tract?
i. Is the proposed project consistent with the applicable zoning?
Residential along proposed beach fill areas.
(Attach zoning compliance certificate, if applicable)
®Yes []No ❑NA
j. Is the proposed activity part of an urban waterfront redevelopment proposal? ❑Yes ®No
k. Has a professional archaeological assessment been done for the tract? If yes, attach a copy. ❑Yes ®No ❑NA
If yes, by whom?
I Is the proposed project located in a National Registered Historic District or does it involve a ❑Yes ®No ❑NA
National Register listed or eligible property? ^ r::! V
+DCNJ VVIL MINGTQN, NU
252 -808 -2808 :: 1- 888- 4RCOAST :: www.nccoastaimanagement.net
Form DCM MP -1 (Page 3 of 4)
<Form continues on next page>
APPLICATION for
Major Development Permit
m. (i) Are there wetlands on the site? ®Yes []No
(ii) Are there coastal wetlands on the site? ®Yes []No
(iii) If yes to either (i) or (ii) above, has a delineation been conducted? ❑Yes ®No
(Attach documentation, if available)
n. Describe existing wastewater treatment facilities.
No work is proposed that would require new wastewater treatment or upgrades; however, properties adjacent to the beach
nourishment area utilize on -site waste treatment.
o. Describe existing drinking water supply source.
No work is proposed that would require additional water capacity; however, properties adjacent to the beach nourishment
area are served by the municipal water system.
p. Describe existing storm water management or treatment systems.
No storm water management features exist within the beach fill or borrow area portions of the project.
5. Activities and Impacts
a. Will the project be for commercial, public, or private use? ❑Commercial ®PubliclGovemment
❑ Private /Community
b. Give a brief description of purpose, use, and daily operations of the project when complete.
The purpose is to protect private property and infrastructure within the Town of Topsail Beach from chronic and storm -
induced erosion by maintaining beach profiles previously approved by the 2010 -2011 beach nourishment project. The
project will also maintain public beach and will utilize adjacent federal navigation channels as borrow areas. Daily uses will
be public beach access and associated recreational use by the public.
c. Describe the proposed construction methodology, types of construction equipment to be used during construction, the number of each type
of equipment and where it is to be stored.
Dredging will be done with a cutter -head dredge and transported to the beach from Banks Channel at specified equipment
access areas. Beach fill and creation of beach profiles will utilize bulldozers, dumptrucks and similar earth moving
equipment.
d. List all development activities you propose.
Dredging within sections of New Topsail Inlet, Topsail Creek, Banks Channel and the New Topsail Inlet Crossover Channel.
Placement of approximately 891,000 -cy of beach compatible sand on approximately 23,576 -Ift of beach within the Town of
Topsail Beach, in the footprint and similar profiles as previously approved in the 2010 -2011 nourishment projects.
e. Are the proposed activities maintenance of an existing project, new work, or both? Maintenance of existing project
f. What is the approximate total disturbed land area resulting from the proposed project? —35.2 above MHW
❑Sq.Ft or ®Acres
g Will the proposed project encroach on any public easement, public accessway or other area ®Yes []No ❑NA
that the public has established use of?
h. Describe location and type of existing and proposed discharges to waters of the state.
No direct or permanent discharges to waters of the state are proposed.
i. Will wastewater or stormwater be discharged into a wetland? []Yes []No ®NA
If yes, will this discharged water be of the same salinity as the receiving water? ❑Yes []No ®NA
j. Is there any mitigation proposed? ❑Yes ®No M []NA HE 9
If yes, attach amitigation proposal DCM WILMINGTON, N
ni 0 1613
252 - 808 -2808 :: 1- 888- 4RCOAST :: www.nccoastalmanagement.net
Form DCM MP -1 (Page 4 of 4)
<Form continues on back>
APPLICATION for
Major Development Permit
6. Addidonal Information
In addition to this completed application form, (MP -1) the following items below, if applicable, must be submitted in order for the application
package to be complete. Items (a) — (t) are always applicable to any major development application. Please consult the application
instruction booklet on how to property prepare the required items below.
a. A project narrative.
b. An accurate, dated work plat (including plan view and cross - sectional drawings) drawn to scale Please give the present status of the
proposed project Is any portion already complete? If previously authorized work, clearly indicate on maps, plats, drawings to distinguish
between work completed and proposed.
c. A site or location map that is sufficiently detailed to guide agency personnel unfamiliar with the area to the site
d. A copy of the deed (with state application only) or other instrument under which the applicant claims title to the affected properties.
e The appropriate application fee. Check or money order made payable to DENR.
f. A list of the names and complete addresses of the adjacent waterfront (riparian) landowners and signed return receipts as proof that such
owners have received a copy of the application and plats by certified mail. Such landowners must be advised that they have 30 days in
which to submit comments on the proposed project to the Division of Coastal Management.
Name Beach fill would be placed within the 30 -year easement area secured by the Town Phone No.
Address during the 2010 -2011 nourishment. All adjacent landowners to the proposed beach
Name fill are parties to that easement agreement and no additional notifications have Phone No.
Address been mailed
Name Phone No.
Address
g. A list of previous state or federal permits issued for work on the project tract. Include permit numbers, permittee, and issuing dates
CAMA Permit # 22 -09
Army Corps of Engineers SAW - 200640848
h. Signed consultant or agent authorization form, if applicable.
i. Wetland delineation, if necessary.
j. A signed AEC hazard notice for projects in oceanfront and inlet areas. (Must be signed by property owner)
k A statement of compliance with the N.C. Environmental Policy Act (N.C.G S. 113A 1 -10), if necessary. If the project involves expenditure
of public funds or use of public lands, attach a statement documenting compliance with the North Carolina Environmental Policy Act.
1.7. Certification and Permission to Enter on Land
I understand that any permit issued in response to this application will allow only the development described in the application.
The project will be subject to the conditions and restrictions contained in the permit.
I certify that I am authorized to grant, and do in fact grant permission to representatives of state and federal review agencies to
enter on the aforementioned lands in connection with evaluating information related to this permit application and follow -up
monitoring of the project.
I further certify that the information provided in this application is truthful to the best of my knowledge.
Date 2� 'LOr %� Print Name L. Stasavich, LMG Inc., agent
Signature 1
Please indicate application attachments pertaining to your proposed project.
®DCM MP -2 Excavation and Fill Information ❑DCM MP -5 Bridges and Culverts
; DCM MP -3 Upland Development R, 1E C ,E t q 1--
❑DCM MP-4 Structures Information ()CM �NIMINGTON NC
252 - 808 -2808 :: 1. 888- 4RCOAST :: www.nccoastalmanagement.net
I
Form DCM MP -2
EXCAVATION and FILL
(Except for bridges and culverts)
Attach this form to Joint Application for CAMA Major Permit, Form DCM MP -1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
Describe below the purpose of proposed excavation and/or fill activities. All values should be given in feet
19. EXCAVATION [3 This section not applicable
a. Amount of material to be excavated from below NHW or NWL in b. Type of material to be excavated.
cubic yards. Beach compatible sand from submerged bottom of
891,000 adjacent navigation channels (borrow areas further
described in project narrative). Full sediment compatibility
report can be provided as needed.
c, (i) Does the area to be excavated include coastal wetlands/marsh
(CW), submerged aquatic vegetation (SAV), shell bottom (Se),
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected.
❑CW ❑SAV ❑SB
OWL ®None
(ii) Describe the purpose of the excavation in these areas.
Dredging in borrow areas will avoid coastal wetland and will be
limited to existing federally- maintained channels and adjacent
side slope and side cast areas.
d. High -ground excavation in cubic yards.
None
i ;rive ` V11_M1NG 1 0N, NC
JUL ; � 2013
2. D_ ISPOSAL OFEXCAVA_ TED MATERIAL ❑This section not applicable_
a. Location of disposal area. b. Dimensions of disposal area.
Disposal area will be proposed beach fill area within Town 177.4 -ac. Approximately 35.2 -acres above MHW and
of Topsail Beach. 142.2 -acres below MHW.
o. (i) Do you claim title to disposal area? d. (i) Will a disposal area be available for future maintenance?
❑Yes ❑No ®NA []Yes ❑No ®NA
(ii) If no, attach a letter granting permission from the owner. (ii) If yes, where?
e. (i) Does the disposal area include any coastal wetlands/marsh f. (i) Does the disposal include any area in the water?
(CW), submerged aquatic vegetation (SAV), shell bottom (SB), Was []No ❑NA
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected. {ii) If yes, how much water area Is affected?
❑CW ❑SAV ❑SB Beach fill will extend into the intertidal zone,
[]WL ®None approximately142.2 -ac of intertidal zone.
252 -608 -2808 :: 1- 888-4RCOAST :: www.nccosstaimamagement.net revised: 12126106
C �,
Access
Other
Channel
(NLW or
Canal
Boat Basin
Boat Ramp
Rock Groin
Rock
Breakwater
(excluding
shoreline
NWL )
stabilization
Length
Please see
N/A
N/A
WA
WA
NIA
WA
Tablel in the
Width
Project
(.
�l
Narrative
Avg. Existing
for borrow
NA
NA
Depth
area
Final Project
dimensions
NA
NA
Depth
and depth.
19. EXCAVATION [3 This section not applicable
a. Amount of material to be excavated from below NHW or NWL in b. Type of material to be excavated.
cubic yards. Beach compatible sand from submerged bottom of
891,000 adjacent navigation channels (borrow areas further
described in project narrative). Full sediment compatibility
report can be provided as needed.
c, (i) Does the area to be excavated include coastal wetlands/marsh
(CW), submerged aquatic vegetation (SAV), shell bottom (Se),
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected.
❑CW ❑SAV ❑SB
OWL ®None
(ii) Describe the purpose of the excavation in these areas.
Dredging in borrow areas will avoid coastal wetland and will be
limited to existing federally- maintained channels and adjacent
side slope and side cast areas.
d. High -ground excavation in cubic yards.
None
i ;rive ` V11_M1NG 1 0N, NC
JUL ; � 2013
2. D_ ISPOSAL OFEXCAVA_ TED MATERIAL ❑This section not applicable_
a. Location of disposal area. b. Dimensions of disposal area.
Disposal area will be proposed beach fill area within Town 177.4 -ac. Approximately 35.2 -acres above MHW and
of Topsail Beach. 142.2 -acres below MHW.
o. (i) Do you claim title to disposal area? d. (i) Will a disposal area be available for future maintenance?
❑Yes ❑No ®NA []Yes ❑No ®NA
(ii) If no, attach a letter granting permission from the owner. (ii) If yes, where?
e. (i) Does the disposal area include any coastal wetlands/marsh f. (i) Does the disposal include any area in the water?
(CW), submerged aquatic vegetation (SAV), shell bottom (SB), Was []No ❑NA
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected. {ii) If yes, how much water area Is affected?
❑CW ❑SAV ❑SB Beach fill will extend into the intertidal zone,
[]WL ®None approximately142.2 -ac of intertidal zone.
252 -608 -2808 :: 1- 888-4RCOAST :: www.nccosstaimamagement.net revised: 12126106
C �,
RECEIVED,
Form DCM MP -2 (Excavation and Fill, Page 2 of 3) DDM WILMINGTON, NC,
(li) Describe the purpose of disposal in these areas: J u 1 3 9 2013
Beach compatible sand will re- establish beach profiles
developed in federal 30 -yr storm reduction study and as
previously approved for 2010 -2011 nourishment project, in
order to provide protection of adjacent private property and
Infrastructure.
3. SHORELINE STABILIZATION ® This section not applicable
(if development is a wood groin, use MP-4 — Structures)
a. I ype or shoreline Stabilization: b. Length:
[]Bulkhead ❑Riprap ❑Breakwater/Sill ❑Other. Wes:
c. Average distance waterward of NHW or NWL: d. Maximum distance waterward of NH V or NWL:
e. Type of stabilization material: f. (i) Has there been shoreline erosion during preceding 12
months?
❑Yes []No ❑NA
(ii) If yes, state amount of erosion an I source of erosion amount
information.
g. Number of square feet of fill to be placed below water level. h. Type of fill material.
Bulkhead backfrll Riprap
Breakwater /Sill Other
L Source of fill material.
4. OTHER FILL ACTIVITIES ®This section not applicable
(Excluding Shoreline Stabilization)
EL (i) Will fill material be brought to the site? ❑Yes UNo ❑NA b. (i) Will fill material be placed in coastal wetlands/marsh (CW),
If yes,
(ii) Amount of material to be placed in the water
(iii) Dimensions of fill area
(iv) Purpose of fill
I& GENERAL
a. How will excavated or fill material be kept on site and erosion
controlled?
The nature of the project is to nourish and restore eroded beach;
material will inherently flux with adjacent waters. Previously
established beach profiles with a beach slope of 1.25 will be
established.
submerged aquatic vegetation (SA
, shell bottom (BB), or
other wetlands (WL)? If any boxes
are checked, provide the
number of square feet affected.
❑CW ❑SAV
❑SB
❑WL []None
(ii) Describe the purpose of the fill in 11
ese areas:
b. What type of construction equipment will be used (e.g., dragline,
backhoe, or hydraulic dredge)?
Cutter head dredge, dumptrucks, backhoe.
c. (I) Will navigational aids be required as a result of the project? d. (i) Will wetlands be crossed in transporting equipment to project
❑Yes ®No ❑NA site? ❑Yes ®No ❑NA
(ii) If yes, explain what type and how they will be implemented. (11) If yes, explain steps that will be taken to avoid or minimize
environmental impacts.
Xkl �r,�,l ; +�,';�a^ ��d. NC
0 Z013
252 -808 -2808 :: 1- 888-4RCOAST :: www.nccoastlalmonaggment.net revised: 12/26/06
Form DCM MP -2 (Excavation and Fill, Page 3 of 3)
TOM of Topsail Beach Beach Nourishment Project, Winter 2DI3
Pro�Gt,Name
L Stasavich, L•MG Inc. agent forappitcant town of Topsail Beach
Applicant name
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DCM WILMINGTON, N�
JUL I � 2913
252.808 -2808 :: 1- 888.4RCOAST :: www.nccoastalmanagement.net revised: 12/26/06
3.7 Unsuitable Material Handling
The written specifications for the job will require that the contractor closely monitor the material being
discharged and disposed of on the beach. In the event that excessive unsuitable, non -beach compatible
material (ie abundant shell, silt or clay) is encountered, the beach will be scraped and the undesirable
material removed. The removed sediment will be stockpiled at the town owned Bush Marina, and upon
completion of the navigation maintenance, the shells and undesirable sediment will be used to repair
boat wake induced erosion at USACE Disposal Area 203, outside of the Federal AIWW right -of -way
(Figure 1). This island was used as a borrow site for the winter 2010/2011 Topsail Beach Nourishment
Project and the outside perimeter near Topsail Creek has eroded due to summer boat traffic. Any shell
and sand removed from Topsail Beach during this project will repair the escarpment.
In the unlikely event that superfluous unsuitable material is encountered, the interior of DA -203 can be
used for disposal. A USACE consent agreement is only required if fill is placed within the Corps of
Engineers Right -of -Way line, and Figure 2 shows sufficient capacity to deal with any unsuitable sediment
that may be found.
Figure 2: Unsuitable material will be used to repair the scarped dike on DA -203, outside of the AIWW right of way
3.8 Dredging Logistics
This project will involve the use of a hydraulic dredge in the 24" class. Pipeline routes will wrap around
the southern spit of Topsail Island. In order to avoid environmentally sensitive areas, the pipeline will
remain seaward of the vegetation line and landward of the high tide line. Dredging shall be confined to
the environmental window of November 15, 2011 to March 31, 2012. The beach disposal consists of
only beach berm and slope construction and no equipment will disturb any vegetated dune systems
throughout disposal procedures. As the designed dredge channel is encapsulated by the federally
maintained navigation channel, environmental impacts are minimized and there should be no new
impacts beyond the existing federal channel.
RECEIVED
DCM WILMINGTON, NC
I 1_1 1- p 1 l013
RECEIVED
DCM WILMINGTON, NC
11x17 = Halt Scale
Town of Topsail Beach
l� U
�j
Beach Nourishment Project
�v
1 2013
PENDER COUNTY, NORTH CAROLINA
JUL
wa , uau
Beach Fill and Dredging of areas including:
Pxxnch
Topsail Creek, New Topsail Inlet and Banks Channel
WINTER 2013
Federal
Navigation Channel Maintenance & Beach Placement
TABLE OF CONTENTS
TABIE OF CONTENTS
DESLR�ION
SHEET 1 COYER R LAYOUT VIEW
SHEET 2 TOPSAIL BEACH AND CHANNELS - CONTROL
DESCRPTION
SHEET T 19 TOPSAIL CREEK - CROSS SECfgNS
SHEET 19 NEW TOPSAIL. INLET - CONTROL
SHEET 3 LAYOUT 3 BAT - T15
SHEET 4 BEACH -u k BATNYIETRT - TT7
SHEET 20 NEW TOPSAIL KEr - KATHY R CONTOURS
SHEET 21 NEW TOPSAIL INLET - B& HT a CONTOURS
SHEETS LAYOUT h BA - TI1O
SHEET B BEACH-LAYOUT & BA711YUETTiY 10 - T72
SHEET 22 NEW TOPSAIL. NET -CROSS SECTIONS
SHEET 23 NEW TOPSAIL INLET - CROSS SECTIONS
SHEET 7 LAYOUT s 8A 13 - TI1S
SHEET 8 -LAYOUT k BA 18 - THEN
SNIEEr 24 NEW TOPSAIL 9aET -CROSS SECf10Ne
SHEET 25 BANIM CHANNEL - CONTROL
SHEET 9 LAYOUT d 15 - T120
SHEET 11 LA t 4 - T25
_ .... R„+- i• .•
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SHEET 28 BANKS BATHYIIETRY !CONTOURS
SHEET 27 BAINfS CHANNEL _ CROSS SECIgNe
SEIEEr 12 LAYOUT d 8A 8 - T12
SFIEET
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SHEET 2B BWIKS CFiAI1E.L CROSS SECTIONS
13 BEACH - CRO55 SECTIONS
SHEET 14 MACH - CROSS SECTIONS
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SHEET 13 1 TOPSAIL CREEK - CONTROL
SHEET 16 1 TOPSAIL CREEK - BATIYMORY R CONTOURS
SHEET 17 1 TOPSAIL CREEK - CROSS SECTIONS
- -
ATLANTIC OCEAN
NOT TO SCALE
- DREDGE &FILL AREAS
GAHAGAN & BRYANT ASSOCIATES
OF NC, PLLC, C.O.L. #P -0743
295 -A North Green Meadows Drive
Wilmington, NC 28405
ENONEERS * @URVEYORB Tel: 910.313.3338
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TOPSAIL BEACH
NOURISHMENT PROJECT
Pender County, North Carolina
FILL AREA — TOPSAIL BEACH
PLAN VIEW
Control Sheet
Notes:
Horizontal Datum: North Carolina State Plane NAD83
Vertical Datum: North American Vertical Datum (NAVD88)
US Survey Feet
Survey performed by GBA of NC and the USACE
in the spring 2013 and represent conditions at that time.
Aerial photo flown in April 2012.
MEAN HIGH WATER
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Gahagan & Bryant Associates
of NC, PLLC, C.O.L. #13-0743
295 -A North Groan Meadows Drive
Yllminaton. NC 28405 910.313.3331
I Dwg Date: 04/11/2013
Survey Date: Spring 2013
Drawn By: AML Checked By: CLG
Drawing Name: Topsail Beach201 3- Plans. dwg
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CHRISTIAN L. GIBSON, P.E. NO. 026273 DATE
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DREDGE AREA — NEW TOPSAIL INLET CROSS CHANNEL
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I CERTIFY THAT THESE PLANS ARE IN COMPLIANCE WITH
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THE APPLICABLE SECTIONS OF TITLE 21, CHAPTER 56.
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