20090585 Ver 2_CAMA Application_20090702

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Coastal Management
Beverly Eaves Perdue James H. Gregson
Governor Director
MEMORANDUM
TO: Ms. Cyndi Karoly
Env. Biological Supervisor
Division of Water Quality Wetlands Unit
FROM: Doug Huggett
Major Permits Processing Coordinator
Coastal Management Division
400 Commerce Avenue
Morehead City NC 28557
DATE: 30 June 2009
SUBJECT: CAMA Application Review
APPLICANT: NCCAT
Dee Freeman
Secretary
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Respond to Doug Huggett
Morehead City Office
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JUL 2 2009
DENR - WATER{IUAUTY
WETLANDS AND STORMWATER BRANCH
PROJECT LOCATION: Former Coast Guard Station adjacent/between the entrance channel to
Silver Lake NC DOT Ferry Division terminal off HWY 12 in the Tillage of Ocracoke, North
Carolina.
PROPOSED PROJECT: Applicant proposes to construct an offshore breakwater, backfill area with
sand to create marsh, and upland transition as well as plant oyster cultch around breakwater. A
pier and platform for observation and marsh ecology education is proposed within the marsh
creation area. Applicant also proposes to construct additional parking area on Ocracoke, Hyde
County, North Carolina.
Please indicate below your position or viewpoint on the proposed project and return this form by 21 July
2009. Please contact Steve Trowell at 252-948-3854, if you have any questions regarding the proposed
project. When appropriate, in depth comments with supporting data are requested.
REPLY This office has no objection to the project as proposed.
This office has no comment on the proposed project.
This office approves of the proposed project only if the recommended changes
are incorporated. See attached.
This office objects to the proposed project for reasons described in the attached
comments.
Signed
943 Washington Square Mall, Washington, NC 27889
Phone: [phone] FAX: [phone] Internet: www.nccoastalmanagement, net
Date
An Equal Opportunity \ Affirmative Action Employer
North Carolina
Naturally
DIVISION OF COASTAL MANAGEMENT
FIELD INVESTIGATION REPORT
1. APPLICANT'S NAME: NCCAT c/o North Carolina Department of Administration
2. LOCATION OF PROJECT SITE: The former Coast Guard Station adjacent/between the entrance
channel to Silver Lake NC DOT Ferry Division terminal off HWY 12 in the Village of Ocracoke, North
Carolina.
Photo Index - 2006: 90-7883; 0-6 2000: 90-1042; H-18 1995: 90-960; H-11
State Plane Coordinates - X: 2,900,400 Y: 510,400
Ocracoke Quad. (upper left corner)
3
4
5
INVESTIGATION TYPE: CAMA/Dredge and Fill
INVESTIGATIVE PROCEDURE: Dates of Site Visit - 17 June 2009
Was Applicant Present - No
PROCESSING PROCEDURE: Application Received -19 June 2009
Office - Washington
6. SITE DESCRIPTION:
(A) Local Land Use Plan - Hyde County
Land Classification From LUP - Community
(B) AEC(s) Involved: EW, PTA, CS
(C) Water Dependent: Yes
(D) Intended Use: Private
(E) Wastewater Treatment: Septic tanks with drain fields
Planned - N/A
(F) Type of Structures: Existing - Buildings, road, parking area, riprap, bulkhead, docks, boat
ramp
Planned - Offshore Riprap Sill, boardwalk/pier, Additional Parking Area
(G) Estimated Annual Rate of Erosion: None
7. HABITAT DESCRIPTION:
[AREA]
T?RFTI(.FTI FTT T T Tn n_rUrV
(A) Vegetated Wetlands
(B) Non-Vegetated Wetlands t 2.8 acres
Pamlico Sound Bottom t 450 ft' shaded
(C) Other t 43,124 ft2
Upland
lU) 1 OLai urea liisturoea: t 10--),/J4 It- 3.8 ac.
(E) Primary Nursery Area: No
(F) Water Classification: SA Open: Yes
8. PROJECT SUMMARY: Applicant proposes to construct an offshore breakwater, backfill area with sand to
create marsh, and upland transition as well as plant oyster cultch around breakwater. A pier and platform for
observation and marsh ecology education is proposed within the marsh creation area. Applicant also proposes
to construct additional parking area.
North Carolina Center for the Advancement of Teaching (NCCAT)
C/O North Carolina Department of Administration
Hyde County/Ocracoke
Major Modification of Major CAMA permit no. 219-06
Project Setting -
The ±3.68 acre project site is the former US Coast Guard facility located off NC HWY 12 on the
north side of Ocracoke on a peninsula land between/adjacent Silver Lake and the Pamlico Sound in Hyde
County, North Carolina. The entrance to Silver Lake borders the property on the west side while the NC
DOT ferry terminal borders the project site to the east. The site was purchased by the State of North
Carolina in 2001 and has been redeveloped into a Center for the Advancement of Teaching. Express
Major CAMA permit no. 219-06 was issued on 29 December 2006 and authorized the redevelopment of
existing structures and new associated amenities in uplands. The largest existing main building has been
renovated to accommodate dormitories and meeting rooms. A second building was converted into a
cafeteria. A new parking lot and access road was constructed. Drainage from the new parking lot and
access road drains to a bioretention stormwater pond. This permit application review is the result of a
major modification request to the aforementioned Major CAMA permit.
The shoreline adjacent the Pamlico Sound faces to the North. From the entrance jetty of Silver
Lake to the west, to a relic concrete bulkhead to the east, the shoreline was once a sandy estuarine
beach subject to high erosion rates during large storms. CAMA/Dredge and Fill General permit no.
46569-B issued on 18 October 2006 authorized stabilization of this area with riprap. A temporary
granite riprap revetment was put in place along the mean high water line during the winter of 2006.
Prior to the installation of the riprap, erosion during storms was uncovering metal debris including relic
outboard motors, various motor vehicle parts, old silverware, and other metal debris disposed by
burying in an area near the entrance jetty. Also two concrete platforms that likely supported large
storage tanks were also exposed.
The previously mentioned relic concrete bulkhead extends to the National Park Service property
line to the east from the temporary granite riprap revetment. This relic concrete bulkhead has failed,
crumbling in its original alignment. Scouring landward of the concrete rubble has established shallow
pools and opportunistic S artina alterniflora. This unintentional result created a relatively stable living
shoreline. This alignment of broken concrete was restacked and refurbished in compliance with the
standard conditions for marsh enhancement breakwaters with additional broken concrete from
demolition activities undertaken during the aforementioned renovation activities in 2007. The area was
given supplemental plantings of S artina alterniflora and S artina patens in the summer of 2008. The
transition area landward of the marsh was also given some supplemental planting including american
beach grass, sea oats and red cedar. The supplemental upland plantings were part of restoration
activities required by Division of Water Quality and an enforcement action by the Division of Coastal
Management. The enforcement action resulted from the unauthorized clearing of uplands vegetated
with red cedar, wax myrtle and various dune grasses. This area was ultimately developed into a parking
lot permitted by Major CAMA permit no. 219-06.
The near shore area between the entrance jetty to Silver Lake and the relic concrete bulkhead is
shallow (! 3T) with a sandy bottom substrate. Submerged aquatic vegetation (SAV) is patchy at best with
some located near the relic concrete bulkhead and some midway between the entrance jetty and relic
concrete bulkhead in about 2' of water. The SAV species are eelgrass (Zostera mariana) and shoal grass
North Carolina Center for the Advancement of Teaching (NCCAT)
C/O North Carolina Department of Administration
Hyde County/Ocracoke
Major Modification of Major CAMA permit no. 219-06
Page Two
(Halodule wrightii). The applicant reports a total of 5,500 ft2 of patchy SAV with 5% coverage within
each patch. Shellfish resources are not abundant in the area with opportunistic oysters growing on
riprap and scattered debris. Although hard clams are present in the area, a submerged natural resource
assessment undertaken by a consultant, Environmental Services, Inc in July 2006 found no discernable
clam beds. Also, a Mr. Eugene Balance undertook a shellfish survey using a clam rake, sampling 10
different locations along transects. Each sample location measured 10' x 6'. The only live shellfish
captured were three quahog clams.
Pamlico Sound is classified as SA by the Environmental Management Commission and is open to
the harvest of shellfish. Silver Lake is classified as SC by the Environmental Management Commission
and is closed to the harvest of shellfish.
Project Description
The applicant proposes to convert the existing shoreline stabilization from a granite riprap
revetment aligned along the normal water level (NWL) to a living shoreline with a stone sill and
breakwater. This is to be accomplished by placement of a granite riprap sill aligned from the waterward
end on the entrance jetty to Silver Lake in an easterly direction 800' to the existing relic concrete
bulkhead. This alignment will be approximately 200' waterward of the NWL. The sill will have 3 - ±30'
wide openings in the alignment every 200'. These opening will have an outer breakwater to baffle the
opening. The center line of the outer breakwater will be positioned 58' offshore of the center line of the
primary sill. The primary sill will have top and bottom widths of about 6' and 40', respectively, and a
height of 3' above the NWL with a 3':1' side slope on the waterward side and a 2':1' side slope on the
landward side. The outer breakwater will have top and bottom widths of 6' and 30', respectively, a
height of 1.2' above the NWL with side slopes of 2':1'. The riprap revetments will consist of two layers
of stone placed on a geotextile fabric. Core stone 2" to 6" in diameter will form the base and will be
covered with armor stone, granite weighing an average of 700 Ibs, with individual stones averaging 1.8'
in diameter.
Approximately 9,300 cubic yards of clean sand dredged material will be used to fill 2 acres of
open waters landward of the proposed sill to create elevations suitable for the planting of Coastal
Wetlands marsh and a transition to uplands. Of those 2 acres defined by the sill, 29,850 ftz of Spartina
alterniflora is to be planted at an elevation of -0.5 below to 1' above sea level, 18,850 ft2 of Juncus
roemerianus and Spartina patens is to be planted at an elevation of 0.5' to 1.5' above sea level and
34,400 ftz of wax myrtle, marsh elder and live oak is to be planted at an elevation ranging from 1.5' to 3'
above sea level. The marsh is to be planted on 18" centers and the woody vegetation is to be planted
on 6' centers. An area of open water designed to appear as a "natural marsh pool" ranging in width
from 80' to 190' will remain landward of the sill. The source of sand is unknown at this time. The
applicant states that the sand fill is to be trucked to the site. The status of any negotiations to release
sand dredge spoil for its use in this project is unknown by the Division of Coastal Management. The
sand is to be hauled and dumped at the site by dump trucks and spread with bulldozers to the finished
elevations. The applicant also proposes to coordinate with the NC Division of Marine Fisheries in
North Carolina Center for the Advancement of Teaching (NCCAT)
C/O North Carolina Department of Administration
Hyde County/Ocracoke
Major Modification of Major CAMA permit no. 219-06
Page Three
determining the proper oyster cultch material to be planted landward of the outer breakwater and in
the area of the designed "marsh pools" landward of the primary sill.
The applicant also proposes to construct an additional 110' wide x 70' long parking lot adjacent
the newly constructed road and cul-de-sac. The parking lot is to be surfaced with pervious pavers over
an 8 inch bed of number 57 stone and 2" of asphalt sand. The paver voids will be filled with pea gravel.
A new bioretention area is proposed to treat stormwater coming from the proposed parking lot as well
as existing adjacent roadway. This new bioretention stormwater pond will drain to the existing
bioretention pond then ultimately to Silver Lake.
The applicant proposes to construct a 5' wide x 500' long wooden boardwalk parallel to the
shoreline through the new created maritime forest on the upland area of the site. The boardwalk is to
extend from the driveway around the west side of the proposed additional parking lot to a 6' wide x
105' long pile supported pier with a 15' wide x 30' long T-head platform. Approximately 50' of the pier
will cross the planted Coastal Wetland marsh and the remaining portion of the pier and T-head will be
within the designed "marsh pool" or open water area. The boardwalk and pier will have signage
addressing maritime forest and marsh ecology and will be used as a educational tool for visiting
teachers.
Anticipated Impacts
The primary sill and outer breakwaters will result in the filling of ±32,670 ft2 of Pamlico Sound
bottom. The backfilling of the breakwater will result in the filling of 83,100 ft2 of Pamlico Sound bottom.
The filled area of Pamlico Sound bottom includes 5,500 ft2 of patchy SAV. There will be some localized
turbidity during installation and backfilling of the breakwater structures but because of the sandy
substrate in the project area localized turbidity should be minimal. If successful, the project will create
Coastal Wetland marsh habitat, a designed open water pool between the planted marsh and primary sill
and some oyster spat attachment substrate at the expense/loss of shallow open water column and
sandy bottom habitat.
Steve J. Trowel] - 29 June 2009
TAB 1
Project Narrative
CAMA MAJOR PERMIT NARRATIVE
PROJECT NARRATIVE
This application is for a Major Modification of Major CAMA permit no. 219-06. The proposed changes
were the subject of a State Environmental Assessment and signed Finding of No Significant Impact in
September 2008. The documents were reviewed through the State Clearinghouse which provided final
compliance letter on October 14, 2008 (attached in Tab 8).
The following information provides a description of the project and includes a summary of the analysis
and findings of the Environmental Assessment.
BACKGROUND
Property historically owned by the United States Coast Guard (USCG) on the sound side of Ocracoke
Island adjacent to Silver Lake Harbour was transferred to the State of North Carolina in May, 2001. The
shoreline of the property is bounded on the south by the United States Army Corps of Engineers
(USACE) Silver Lake Harbor Jetty and to the north by the remains of a National Park Service (NPS)
concrete bulkhead (G1 Cover Sheet). The shoreline between these structures has been severely eroded
and continuing erosion jeopardizes the long term use of the property and facilities. The erosion of the
shoreline has also contributed to the weakening of the Jetty and the bulkhead. More significantly, the
shoreline has eroded between 20 to 40 feet since a site survey dated December 2004. A temporary
permit was granted on October 18, 2006 for shoreline stabilization to temporarily stop the erosion and
protect the existing shoreline. Temporary measures were installed in November 2006.
Upland portions of the site including existing facilities were developed and refurbished for use as a
teacher's coastal education professional development center starting in 2007 by the North Carolina
Center for the Advancement of Teaching, NCCAT. Environmental permits received for this work include a
CAMA Major Permit for Development in an Area of Environmental Concern and Stormwater,
Sedimentation and Erosion Control, and Tar-Pamlico Buffer Permits (2006).
Additional shoreline protection and facility enhancement activities were reviewed and cleared in the North
Carolina Center for the Advancement of Teaching Proposed Shoreline Protection and Marsh Creation
Environmental Assessment (EA) (September, 2008) per the requirements of the North Carolina
Environmental Policy Act.
PURPOSE
The purpose of the project is to protect the shoreline from continuing erosion including the creation of an
intertidal marsh while incorporating educational and facility enhancements into the design. The increased
area of intertidal marsh and the protected nature of the site are expected to increase primary productivity
and improve site conditions for growth of juvenile estuarine organisms. A general increase in habitat
values over time is expected as benthic organisms colonize the disturbed aquatic bottom and newly
planted marsh and sea grasses mature. A reduced water depth adjacent to the shoreline is expected to
improve feeding conditions for birds and other wildlife. Walkways and educational signs will improve
access and recreational value and contribute to the sites educational and research value. The following
goals were established for the proposed project:
Protection from Shoreline Erosion
• Physically protect the shoreline from future erosion with breakwater structures
• Reduce the surge impacts of wind generated waves and vessel wake
• Stabilize the South and North project boundaries (Silver Lake Harbor North Jetty and NPS bulkhead,
respectively)
Creation of Shoreline Ecology
• Ecologically protect the shoreline from future erosion with wetland and riparian plantings
• Create intertidal marsh ecology and habitat
Page 1 of 10
CAMA MAJOR PERMIT NARRATIVE
• Reclaim and stabilize eroded upland area into maritime forest
• Establish coastal pools
• Establish oyster reef
• Establish shallow water/mudflat habitat
Educational and Facility Enhancements
• Establish additional access through a new upland pervious pavement parking facility
• Create shoreline / marsh educational area including an upland timber walkway, a timber pier, and a
pierhead with a sitting area for as many as 30 people.
• Enhance and create additional educational opportunities where practicable
PROJECT
Project components (Tab 9: Designs) include; (1) construction of a series of staggered rock sills to
stabilize the shoreline in the selected location, (2) placement of fill and planting of intertidal marsh and
maritime forest on the landward side of the sill possibly including oyster reefs, coastal pools, and mudflat
development, and (3) construction of a new upland pervious pavement parking facility, an educational
timber walkway, and timber pier adjacent to and into the marsh.
Site surveys and bathymetry readings accomplished on May 31 and June 22, 2006, provided a baseline
to develop appropriate sill and marsh designs. The delineated and surveyed Normal Water Line /
Estuarine Shoreline was reviewed and approved by DCM on June 22, 2006.
Protection From Shoreline Erosion
The design criteria for the sill would range from a two- to a five-year return period storm. Professional
coastal engineers with specific expertise in the coastal processes and storm/surge dynamics of the area
designed, reviewed, and sealed the design plans for the proposed structures as described below.
Granite rip rap (armor stone with a median weight of 700 Ibs) will be placed to construct a structure
composed of a staggered series of sills along the property's adjacent shoreline. The structure will extend
from the existing northern groin, located at the Silver Lake Harbor entrance channel, towards another
small groin to the northeast (about 800 linear feet from beginning to end). The rock sills will function as a
breakwater, will be located in an area approximately 80-190 feet waterward of the proposed shoreline
(approximately 200 to 310 feet waterward of the existing NWL), and will be generally aligned along the -
3.5 to -4.0 North American Vertical Datum (NAVD) foot contour. (All contours are based on the NAVD).
The primary sills will have top and bottom widths of about 6 feet and 40 feet, respectively, and will have
side slopes of 1 foot vertical to 3 feet horizontal on the waterward side and 1 foot vertical to 2 feet
horizontal on the landward side. Based on NWL of approximately 0.3 feet, these sills would rise
approximately 3.2 feet above NWL. The outer sills will have top and bottom widths of 6 feet and 30 feet,
respectively, with side slopes of 1 foot vertical and 2 feet horizontal. Based on NWL of approximately 0.3
feet, these sills would rise approximately 1.2 feet above NWL. (Designs C2-C9). The total length of all
sills combined is approximately 970 feet at the bases and 812 feet at the crests.
The structure would consist of two layers of stone placed over a geotextile fabric. The outer armor stone
would be granite with a median weight of 700 Ibs with individual stones averaging 1.8 feet in diameter.
The smaller core stone would be 2 to 6 inches in size. Geotextile fabric (approximately 3,700 square
yards) will be used to reduce settling and minimize turbidity from rock and rubble placement. The total
structure would have a footprint of approximately 0.75 acres.
The sills would be pervious due to porosity and the inclusion of approximately one protected, overlapping
opening every 200 feet. The design will allow continued tidal exchange of the enhanced marsh and
estuarine habitat and provide access for fish and other organisms. While the sills' primary function is
erosion protection, marine rock is an attachment substrate new to the project area that would add to
habitat diversity and is therefore also considered a habitat enhancement feature.
Page 2 of 10
CAMA MAJOR PERMIT NARRATIVE
Restoration of Shoreline Community
The project site will be cleared of fallen vegetation and other easily removable debris. Large concrete
and rebar structures as well as other large trash are located within the project site. This material was
previously buried and has been exposed through coastal erosion. To the maximum extent practicable,
these materials will be left in place and covered with fill material. Where necessary, the tops of the
concrete material will be mechanically broken apart and removed to ensure that the structures are
completely and safely covered when the area is graded for the restoration and planting.
Approximately 9,300 cubic yards (cy) of clean sand dredged material will be trucked in from a nearby
disposal area and placed landward of the primary granite sills. This will restore elevations to suitable
levels to reclaim upland shoreline lost to erosion and to establish a riparian buffer and coastal marsh. Fill
and grading along the existing shoreline will extend approximately 200 feet into the sound (to the new sill
described previously) from the existing NWL line. This material would be placed by mechanical means.
Approximately 6,500 cy would be placed below the water level, and approximately 2,800 cy above.
Coastal pools would be designed at -1.5' to -2.0' foot contour, or approximately 1.8 to 2.3 feet below
NWL. These pools will provide a permanent aquatic habitat for small fish and invertebrates, which will
also become a foraging area for wading birds.
Prior to the next planting season (Spring 2010), the shoreline will be prepared for the planting of
approximately 1.2 acres of native marsh grasses on 1.5-feet centers, including smooth cordgrass
(Spartina alterniflora), saltmeadow hay (Spartina patens), and black needlerush (Juncus roemerianus).
Planting elevations were developed based on surveyed elevations from the Meeker property marsh
restoration site along the Silver Lake Harbor South Jetty. Additional high marsh estuarine shrubs (e.g.
marsh elder (Iva frutescens) and wax myrtle (Myrica cerifera)] and live oak (Quercus virginiana) will be
planted, as appropriate, to establish a 1 acre riparian buffer.
Based on the above project description, the DWQ buffer zones will shift substantially twice during the
construction process; first after the initial grading and filling and second after the marsh and riparian
buffer plantings. This is because the DWQ riparian buffer is defined as 50' landward of the most
landward edge of Coastal Wetlands, when present, or by the NWL when there are no coastal wetlands.
Prior to planting of marsh vegetation, the buffer will be defined as 50 feet landward from the NWL. After
wetland and upland vegetation are established, the DWQ buffer line will shift to extend 50 feet ladward
from the boundary between the coastal wetland (Juncus roemerianus and Spartina patens area) and the
upland riparian forest (marsh elder and wax myrtle area).
Planting would take place in April 2010. The optimal planting period for these marsh grasses is March
through May, with the end of the growing season being September 30th. The Coastal Federation will use
grant funding to purchase, plant, and replace plants to guarantee at least 80% survival through the first
growing season. The use of additional species to increase habitat diversity and modified planting density
will be considered as appropriate based on results of monitoring to improve long-term survival. As part of
the project construction, vegetation will be monitored for survival at the end of the first three growing
seasons and replanted as needed for habitat establishment.
As discussed in the design of the granite structure above, openings will be incorporated between sills to
allow for sufficient tidal flushing of approximately 2 acres of shallow water and marsh habitat.
Approximately 200 square yards of oyster cultch will be placed within the constructed shallow water
habitat and just within the sill in order to provide substrate for spat attachment and provide additional fish
and benthic habitat. Additional oyster cultch material (800 square yards) will be placed adjacent to the
outer sills. NCCAT will coordinate closely with North Carolina Division of Marine Fisheries (DMF) to
ensure proper design and seeding of oyster reef is accomplished. If appropriate the exact placement of
this material would be modified as directed by DMF for maximum ecological benefit and stability.
Page 3 of 10
CAMA MAJOR PERMIT NARRATIVE
The construction and timing of the fill and planting cycle for the restored upland area will require close
coordination with the DENR and the USCG to ensure permit requirements are followed and access to the
site for Coast guard activities is not impeded.
Educational and Facility Enhancements
The NCCAT uses the facility as a coastal educational professional development center for
schoolteachers. This potential marsh creation project will provide excellent hands-on educational
opportunities. Furthermore, it will be highly visible from Cedar Island/Ocracoke and Swan
Quarter/Ocracoke Ferries and may provide additional educational benefits to the general public.
Informative signs may be installed as a component of this project.
Parking Facility: A new parking facility, approximately 110 feet wide and 70 feet long, will be designed to
accommodate 21 parking spaces. The area would be constructed of pervious pavers over an 8 inch bed
of number 57 stone and 2 inches of asphalt sand, and the paver voids will be filled with a pea gravel
mixture. The area will be located on the southwest edge of the facilities new cul-de-sac.
The proposed project will add close to an acre of land (area from the new proposed 0.5 contour to the
existing NWL) to the state-owned property. The new parking area will add approximately 9,140 sf of
developed surface to the NCCAT property. Stormwater treatment was calculated assuming the pervious
pavement area is 70% impervious per CAMA and DWQ stormwater BMPs for the area. The stormwater
retention area to the south of the parking area is designed to hold the 1.5 inch storm event. The area is
designed at nearly 5685 cubic feet with a surface area of nearly 11,825 square feet (including the existing
stormwater retention area). The parking area would be slightly sloped to drain stormwater into this area
and prevent sheet flow into the newly created riparian buffer, wetland area, and the Pamlico Sound. This
new retention area would connect to the bio-retention area constructed in 2007 with the associated on-
site parking and upland construction. The existing and new bio-retention areas drain into the Silver Lake
Harbour. Constructing the new detention area will improve the function of the existing bio-retention area
by allowing the incoming stormwater to overflow to the new basin.
In order to protect the surface waters of the sound and the newly created wetland area, the parking facility
would be located at least 50 feet from the newly created coastal marsh and 75 feet from the new NWL
(0.5 foot contour elevation). Site grading would also prevent stormwater from draining into the new
coastal marsh and Pamlico Sound. There would also be a 75 foot buffer maintained between the parking
area and Silver Lake Harbor.
Timber Walkway and Pier: An elevated timber walkway approximately 5 feet wide and 500 feet long will
be designed in the maritime forest parallel to the restored shoreline. The walkway will extend from the
NCCAT Driveway around the west side of the new parking area. In order to comply with ADA
requirements, the walkway will be at least 5 feet wide to maintain clear wheel-chair accessibility. To
accommodate the 5 foot accessibility, the width of the structure will be a total of 6 feet wide.
The timber pier will be designed to extend from the southern tip of the upland trail approximately 120 feet
north of the jetty and extend into the marsh parallel to the jetty and perpendicular to the shoreline. The
105 feet long pier is sited completely waterward of the current NWL relative to existing conditions. Once
the proposed grading and filling are complete, approximately 50 feet of the pier will extend landward of
the new NWL through the Estuarine Shoreline. The pier will be approximately 3 feet above NWL over the
Sound and will range between 1.5 and 3 feet above the marsh substrate in the Estuarine Shoreline as the
marsh slopes toward the water. In order to comply with ADA requirements, the pier will be at least 5 feet
wide to maintain clear wheel-chair accessibility. To accommodate the 5 foot accessibility, the width of the
structure will be approximately 6 feet 8 inches except every ten feet at the locations of the timber piles. At
the piles, the width of the pier will be 7 feet 8 inches.
The pierhead will be over open water and will be designed with a deck structure to allow wheel-chair turn-
around space as well as accessibility and seating for up to 30 people (15 ft long by 30 ft wide). The pier
and pierhead will be located to maximize the viewing of ecological diversity through the marsh and
Page 4 of 10
CAMA MAJOR PERMIT NARRATIVE
coastal pool areas. The entire structure is designed for educational access. It is not docking facility and
will not be accessible to watercraft.
Educational Signage: NCCAT will develop educational signs to be placed along the walkway and pier.
Educational signs will be placed in appropriate locations to identify the ecology of the forest, marsh,
coastal pools, mudflats, shallow water habitat, oyster habitat, and engineering designs of the sill.
Informative signs would be posted to identify project partners and describe wetland values and the
features of the habitat restoration project to the visiting public. These activities will be conducted in a
manner that is compatible with established purposes and uses of the NCCAT Property. NCCAT will also
explore the potential of additional educational signs visible from the Ferry and other passing watercraft.
Proposed Construction Methods
The anticipated method of construction includes barges that will deliver rock for the sills and small front
end loaders will push the rock from the barge into its final location. After the sills are constructed, dump
trucks will deliver sands to the site, which will then be pushed into the water and shaped to the proposed
contours using dozers. The number of each type of equipment is to be determined by the contractor. It is
assumed that the dozers will be stored on-site above high water (within the construction limits) until
completion and the trucks would leave the site each day.
Proposed Construction Schedule
Construction of the sill and placement of fill material is scheduled to begin in the winter 2009 to spring of
2010 and be completed within the approved construction window of September 1, 2009 to March 15,
2010. If allowable through this permit, the construction window may be extended to include all of August
2009 and March 2010. The final site preparation and planting of the restored marsh, maritime forest, and
other habitats would be conducted following the sill construction and fill placement during March through
May. Construction of the timber pier into the marsh area will be coordinated with the site preparation.
This coordination will minimize impacts and disturbance on the marsh plantings and ensure placement of
coastal pools or other ecological features adjacent to the walkway. Placement of oyster cultch sound-
ward of the sill will be scheduled to facilitate oyster spat set. Placement will be accomplished by the DMF
or a qualified contractor and will likely be accomplished from watercraft.
Monitoring
A topographic survey of the restoration site identifying significant project features will be made upon
completion to document base conditions and construction compliance. Post construction monitoring will
be conducted over a 5-year plant establishment period based on North Carolina Ecosystem
Enhancement Program requirements for Riparian Buffer restoration. The extent of marsh grasses and
other site features will be mapped and marsh and sea grass conditions will be assessed using DENR-
approved methods. Invasion by exotic non-native plants such as common reed (Phragmites australis) will
be assessed. The information obtained will be compared to the previous year's plot sampling results from
the restoration site. If plant survival is found to be low, remediation requirements will be determined.
Faunal utilization of the site will be assessed by qualitative methods. Pre- and post construction
monitoring of mosquito population will also be conducted. An annual monitoring report will be prepared
and coordinated with interested parties.
Oyster cultch will be inspected for spat set and growth consistent with techniques used by the DMF for
assessment of planted oysters. Qualitative comparison with other comparable reference locations will be
made.
Control of Exotics
Post construction monitoring will be conducted over a 5 year plant establishment period; however,
NCCAT is committed to reasonable ongoing monitoring and maintenance for this area and will propose to
integrate exotic species control into educational signage and teaching opportunities where applicable. If
any common reed (Phragmites australis) or other exotic plants are found within the restoration area
during establishment, chemical control will be conducted. We anticipate no significant adverse impacts
as a result of chemical control of common reed. Control would be limited to herbicides and spreaders
Page 5 of 10
CAMA MAJOR PERMIT NARRATIVE
formulated for use in the aquatic environment and widely used for this purpose. Herbicides proposed for
use would be registered by the U.S. Environmental Protection Agency. Application would be made in
accordance with label restrictions by a licensed applicator.
Potential Negative and Beneficial Impacts
The following is a summary of potential impacts from the proposed project as discussed in the project's
Environmental Assessment.
Water Quality
Temporary turbidity increases are expected in the project area during project construction activities. The
rock sill will be placed first and provide partial containment of the sandy materials to be used for marsh
construction. The sandy material to be used for project construction will contain low quantities of fine
material and will be allowed to settle within the rock sill. Substantial increases in turbidity are not expected
to occur beyond a reasonable mixing zone from the discharge point. Minor increased turbidity levels will
return to background conditions once construction is completed. No violations of State Water Quality
Standards or significant impacts to water quality are expected.
Stormwater
Stormwater runoff associated with the new parking facility would be minimal due to the pervious surface.
The parking area would be slightly graded to allow any stormwater that may accumulate in a major event
to collect in a bioretention area that would ultimately drain into the Silver Lake Harbour. In order to
protect the surface waters of the sound and the newly created wetland area, the parking facility would be
located at least 50 feet from the newly created coastal marsh and 75 feet from the new NWL (0.5 foot
contour elevation). Site grading would also prevent stormwater from draining into the new coastal marsh
and Pamlico Sound. There would also be a 75 foot buffer maintained between the parking area and
Silver Lake Harbor.
Wetlands
The land adjacent to the northern end of the marsh restoration area is a wetland vegetated primarily with
Spartina spp.; however, the area to be backfilled for the upland maritime forest and the marsh
construction and the area beneath the footprint of the rock sill are devoid of any marsh or cohesive beds
of submerged aquatic vegetation (SAV). The new wetland and upland areas will tie into an existing
emergent marsh area on the northern side of the property adjacent to the new parking area. All efforts
will be made to protect the existing marsh and enhance the area under the direct supervision of DENR. It
is possible that a very limited area of the existing marsh may be impacted during construction at the
transition line between the existing marsh and the restored marsh. There is no alternative to the limited
placement of dredged or fill material at this transition line for the construction of this project. The project
design minimizes impacts to wetlands to the degree practical and will result in a substantial net increase
in the area of vegetated wetlands.
Terrestrial Resources
Due to erosion at the project site, the terrestrial habitat at the project site is highly degraded in its present
condition. Based on these conditions, wildlife disturbance during construction would be negligible.
However, the proposed project is expected to improve long-term habitat conditions for wildlife. The area
of open water will be reduced and replaced by an increased area of maritime forest and marsh, providing
expected improved conditions for wildlife forage.
Estuarine Resources
Negative impacts of construction of the sill, intertidal marsh, and maritime forest on estuarine resources
would be minor and confined to the immediate vicinity of the project and the time frame in which the
construction occurred. Approximately 4.2 acres of existing open water would be modified by the project.
In this area, 1.2 acres would be converted to intertidal marsh, 1.75 acres would remain subtidal, open
water habitat, 0.75 acres of bottom area would be covered by the sill footprint, and 0.5 acre would be
planted with upland transitional vegetation and maritime forest.
Page 6 of 10
CAMA MAJOR PERMIT NARRATIVE
Benthic organisms in the project area may be lost; however, some burrowing up through overburden in
the marsh area may occur. It is anticipated that, once established, the newly created forest and marsh
area would act as a source of primary production (energy), as nursery grounds for sport and commercial
fishery species, and as a system for storing and recycling nutrients. In addition, the area would provide
habitat for many coastal species. The restored area may be used by birds, such as herons, rails,
shorebirds, migratory waterfowl, and songbirds. Many species, such as crabs, mussels, clams, and
periwinkles might live in or on the mud surface. Less obvious, but more numerous, would be annelid and
ollgochaete worms and insect larvae.
The sill would provide an attachment surface for other marine plants and animals. Most of these species
would be expected to colonize aqueous and subaqueous portions of the sill, maintaining a high overall
diversity of marine benthic organisms at the site.
In summary, the proposed project would stabilize the shoreline in the project vicinity and provide an
attachment surface for numerous organisms, thereby, improving the habitat value of the area.
Essential Fish Habitat
During project construction and maintenance there will be an increase in turbidity in the immediate area of
sand or stone deposition. Turbidity and localized disturbance associated with construction activities may
cause the temporary displacement of these and other species of fish from the construction area. Most of
these species are highly mobile and should be able to avoid harm; however, some slow moving animals
may be lost to construction and maintenance activities. Construction of the rock sill and placement of fill
material would be conducted during September 1 to March 15 to minimize impacts to estuarine
organisms. Any direct mortality would be low and expected to be insignificant.
The Fishery Management Plan Amendments of the South Atlantic Fishery Management Council identify a
number of categories of Essential Fish Habitat (EFH) and Habitat Areas of Particular Concern. While all
26 of these habitat categories occur in waters of the southeastern United States, many are absent from
the project vicinity. Impacts on habitat categories potentially present in the project vicinity are discussed
below. They included; estuarine water column, aquatic beds, estuarine emergent wetlands, oyster reefs
and shellbanks, palustrine forested wetlands, seagrass (submerged aquatic vegetation) and state-
designated areas of importance for managed species (primary nursery areas).
Estuarine Water Column: Rock and fill placement operations conducted during project construction and
maintenance (if required) may create impacts in the estuarine water column in the immediate vicinity of
the activity, potentially affecting estuarine fish and adjacent habitat. These impacts may include minor and
short-term suspended sediment plumes and related turbidity, as well as the release of soluble trace
constituents from the sediment. During construction, turbidity increases outside the construction area
would not be substantial. Overall water quality impacts of the proposed action are expected to be short-
term and minor. Living estuarine resources dependent upon good water quality are not expected to
experience substantial adverse impacts due to water quality changes.
Impacts to Aquatic Beds: Aquatic beds, such as clam beds are not known to be substantially present in
the project area and were not noted during SAV surveys and field reconnaissance. No evidence of
shellfish beds was observed within the project study area or adjacent to the old bulkhead.
Impacts to Emergent Wetlands and Seagrass: Emergent wetlands and seagrass are present in the
project area. The results of an SAV survey completed on May 30th and 31 st, 2006 revealed that the
project study area contains approximately 518 mZ (+/- 0.13 ac) of patchy SAV growth with <5% coverage
within each patch including eelgrass (Zostera mariana) and shoal grass (Halodule wrightii). The SAV was
distributed in sporadic patches throughout the project study area. These patches of SAV were all located
in water that was approximately 2.3 to 3.0 ft deep based on hydrographic data. It is assumed that SAV
does not occur closer to the current shoreline due to the rapid rate of erosion along this particular
shoreline.
Page 7 of 10
CAMA MAJOR PERMIT NARRATIVE
In addition to the seagrasses, several species of red and green algae were also identified. The red alga
consisted primarily of Gracilaria sp. and was most common in the shallower areas along transects.
Gracilaria sp. typically attaches itself to a hard substrate such as rocks or debris. The green alga
consisted of Ulva sp. and Codium sp. and, like the red alga, attaches itself to a hard substrate.
No measurable amounts of SAV were observed along the old bulkhead north of the project study area.
This area does contain significant amounts of the previously described red and green algae due to the
abundance of hard substrate resulting from the old bulkhead debris.
These patches of SAV and algae would be destroyed during the grading and filling of the area. However,
the restoration of the area will include the planting of larger, consolidated marsh wetlands and SAV beds
which would have an increased habitat value in the area.
As noted previously, there is an area of coastal marsh along the northern boundary of the project study
area near the old bulkhead and chain link fence. The southernmost portion of this natural marsh may be
disturbed during the marsh restoration construction process. Impacts would be temporary, and any
disturbed area would be replanted as appropriate to blend the boundaries of the natural and man-made
marsh areas.
Overall, this project will protect existing marsh wetlands from future erosion and will establish new marsh
and seagrass habitat. This project will result in a net increase in emergent wetlands and seagrass in the
project area.
Impacts on oyster reefs and shell banks: A survey of the study area and the area around the old
bulkhead assessed and documented the presence or absence of oyster reefs or shellfish beds. Eastern
oysters (Crassostrea virginica) do occur in the area; however, those observed were not part of an oyster
reef. Instead they were mostly individuals attached to the scattered rocks and debris that occur
throughout the project study area and along the old bulkhead. No evidence of shellfish beds was
observed within the project study area or adjacent to the old bulkhead.
On July 10, 2008, Mr. Eugene Balance conducted a clam rake sampling at 10 spaced point locations on
transects. The area sampled was 10' x 6' x 10' (600 sf). He made 10, 6 foot pulls of the rake at 10
sampling sites. The rake had a 12 inch diameter head and a dozen knife blades for teeth. It is a top of the
line hand harvest tool. Numerous clam and oyster shells, bottles, bricks and some glass and plate pieces
were recovered. The only live animals caught were 3 quahog clams. All of these were on the
northeastern side, and no more than one at any station.
NCCAT proposes to coordinate with DMF to apply oyster cultch on and adjacent to the completed rock sill
providing a net increase in oyster reef and/or shell bank habitat.
Impacts on State-Designated Areas Important for Managed Species: Primary Nursery Areas, designated
by the North Carolina Marine Fisheries Commission, provide essential habitat for the early development
of commercially important fish and shellfish. Many fish species undergo initial post-larval development in
these areas. Any project related adverse impacts to primary nursery would be associated with project
construction and would be temporary and minor. Construction of the rock sill and placement of fill material
would be conducted from September 1 to March 15 to minimize impacts to estuarine organisms. Habitat
enhancements are expected to result in a net increase in nursery habitat value.
The proposed action is not expected to cause any substantially adverse impacts to Essential Fish Habitat
or EFH species; however, it is anticipated to have substantial beneficial impacts.
Page 8 of 10
CAMA MAJOR PERMIT NARRATIVE
Pre- Post-
Area Construction Construction Improvements
(acres) (acres)

Open Water (Pamlico Sound) Decreased physical erosion and lower
velocity currents, increased ecological
4.1 1.7 diversity
Sill Footprint (Pamlico Sound) Attachment for benthic organisms,
0 0.7 foraging habitat
Intertidal Marsh (Pamlico Sound) Foraging habitat, Nesting and Nursery
0 1.2 area, increased biological diversity
Upland transitional vegetation and Foraging habitat, increased biological
maritime forest 0 0.5 diversity, protection of shoreline

SAV (patchy <5% coverage within the Existing SAVs impacted by heavy
0.13 acre area) erosion and water velocity. The new
area will have decreased current
velocities which may provide better
environment for growth of SAVs in the
future. Actual future establishment of
0.1 0 SAV is unknown
Existing coastal wetland Preserve and protect existing emergent
0.1 0.1 marsh area
Oyster Habitat No oyster habitat is currently onsite;
however, studies indicate the area
could be a good candidate for re-
0 0.2 establishment of oyster habitat

Current Zone 1 is highly eroded and
contains some upland vegetation. The
new Zone 1 would have decreased
slopes and increased area with
plantings of Saltmeadow hay & black
needlerush marsh, marsh elder & wax
Zone 1 Buffer 0.4 0.6 myrtle riparian buffer
Current Zone 2 contains some upland
vegetation. The new Zone 2 would
have decreased slopes and increased
area with plantings of Marsh elder &
wax myrtle riparian and live oak
Zone 2 Buffer 0.2 0.4 maritime forest buffers
Page 9 of 10
CAMA MAJOR PERMIT NARRATIVE
Temporary Shoreline Protection, 2007

Page 10 of 10
Aerial View of Site (2008)
(Shows SAV patchiness)
Existing Emergent Marsh to be Protected
Northwest Corner of the Property (2006)

Temporary Shoreline Protection, 2007
KarF1
APPLICATION for
Major Development Permit ° q - o s ss v a.
(last revised 12127/06)
North Carolina DIVISION OF COASTAL MANAGEMENT
1. Primary Applicant/ Landowner Information
Business Name Project Name (if applicable)
North Carolina Dept. Of Administration (Nccat) NCCAT Shoreline Protection and Marsh Creation
Applicant 1: First Name MI Last Name
NA NA NA
Applicant 2: First Name MI Last Name
NA NA NA
If additional applicants, -please attach an additional page(s) with names listed.
Mailing Address PO Box City State
301 N. Wilmington St. Suite 450 Raleigh NC
ZIP Country Phone No. FAX No.
27601 United States 919 - 807 - 4100 ext. 919 - 807 - 4110
Street Address (if different from above) City State ZIP
NA
Email
NA
2. Agent/Contractor Information
Business Name
North Carolina State Construction Office
Agent/ Contractor 1: First Name MI Last Name
Greg Driver
Agent/ Contractor 2: First Name MI Last Name
NA
Mailing Address PO Box State
301 N. Wilmington St. Suite 450 =Raleigh NC
ZIP Phone No. 1 Phone No. 2
27601 919 - 807 - 410 0 ext. ext.
FAX No. Contractor #
919 807 4110
Street Address (if different from above) City State ZIP
NA
Email
[e-mail]
<Form continues on back>
Form DCM MP-1 (Page 2 of 4)
APPLICATION for
Major Development Permit
3. Project Location
County (can be multiple) Street Address State Rd. #
Hyde 2 Irvin Garrish Highway NC 12
Subdivision Name City State Zip
NA 11 Ocracoke NC 27960-
Phone No. Lot No.(s) (if many, attach additional page with list)
NA- - ext. UNK, , , ,
a. In which NC river basin is the project located? b. Name of body of water nearest to proposed project
Tar-Pamlico Pamlico Sound and Silver Lake Harbor
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 Pamlico Sound and Silver Lake Harbor
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.
Ocracoke Village
4. Site Description
a. Total length of shoreline on the tract (ft.) b. Size of entire tract (sq.ft.)
-847 160,460
c. Size of individual lot(s) d. Approximate elevation of tract above NHW (normal high water) or
NA, NWL (normal water level)
(If many lot sizes, please attach additional page with a list) -+8 ?NHW or ®NWL
e. Vegetation on tract
See attached
f. Man-made features and uses now on tract
See attached
g. Identify and describe the existing land uses admiacent to the proposed project site.
See attached
h. How does local government zone the tract? i. Is the proposed project consistent with the applicable zoning?
See attached (Attach zoning compliance certificate, if applicable)
®Yes ?No ?NA
j. Is the proposed activity part of an urban waterfront redevelopment proposal? ?Yes ®No
k. Hasa professional archaeological assessment been done for the tract? If yes, attach a copy. ?Yes ®No ?NA
If yes, by whom?
1. 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?
<Form continues on next page>
<Form continues on bacK>
Form DCM MP-1 (Page 4 of 4)
APPLICATION for
Major Development Permit
6. Additional 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) - (f) are always applicable to any major development application. Please consult the application
instruction booklet on how to properly 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 See attached Phone No.
Address
Name Phone No.
Address
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.
See attached
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.
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 6/11/2009
Print Name -Greg Driver
Signature
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
®DCM MP-4 Structures Information
CAMA MAJOR PERMIT ADDITIONAL RESPONSES
DCM-MP-1 (4): Site Description
d. Approximate elevation of tract above MHW or NHW
NWL at the property is +0.363 feet based on a DCM shoreline delineation in 2006. Elevation on the
property extends from the shoreline to a peak of approximately +8 feet above NHW on the man-made
protective sand berm. However, the majority of the property is located between +0.5 to +3 feet above
NWL.
e. Vegetation on Tract
Red Cedar (Juniperus virginiana) and wax myrtle (Myrica cerifera) are the most abundant trees on
and adjacent to the NCCAT property. Sea oats (Uniola panicu/ata) and marsh pennywort
(Hydrocotyle umbellata) are also common species observed on-site. Additional plant species are
associated with the dune strand, maritime scrub-shrub, and salt marsh habitats that occur on
Ocracoke Island.
Man-made features and uses now on tract
Current man-made features on the tract include:
• NCCAT Facility (Former Coast Guard Station)
• Utility building
• Concrete decks around the existing facilities
• Driveway and parking lot
• Gravel drive and easement to USCG Boat Ramp
• Fence between NCCAT and NIPS property
• Protective sand berm within the AEC between the shoreline and driveway (permitted and
constructed in 2005)
• Temporary shoreline protection (permitted and constructed in 2006)
g. Existing land uses adjacent to the proposed project site
The property adjacent to the eastern edge of the NCCAT site is the Ocracoke/Swan Quarter Ferry
Terminal and is owned and operated by the National Park Service (NPS). The property is used to
facilitate pedestrian and vehicle traffic on and off of the ferries.
The property adjacent to the southern edge of the NCCAT Site is owned by the United States Coast
Guard (USCG) and used by the USCG Ocracoke Unit, 5th District.
The property on the western edge of the NCCAT property consists of an existing United States Army
Corps of Engineers Jetty for Silver Lake Channel.
h. How is the tract zoned by local government
The parcel is not zoned by Hyde County. The Draft Hyde County CAMA Land Use Plan indicates
that the existing and future uses of the site are "Office/Institutional", which is consistent with the
proposed project.
The property is owned by the State of North Carolina. Per the State Construction Manual under the
provisions of GS 160A-381 through 391, a city may regulate and restrict the following:
1. The height, number of stories, and size of buildings and other structures;
2. The percentage of a lot that may be occupied;
3. The size of yards, courts and other open spaces;
4. The density of population; and
5. The location and use of buildings, structures, and land for trade, industry, residence, or other
purposes, except farming.
Ocracoke Village Development Ordinance has been adopted by Hyde County. The ordinance
establishes minimum lot sizes, total lot cover (i.e., no more than 50% of any lot can be covered with
Page 1 of 5
CAMA MAJOR PERMIT ADDITIONAL RESPONSES
structures or other impervious surfaces to help control stormwater), setbacks, and height restrictions
on new development and substantial redevelopment, but does not provide zoning or restrict specific
land uses. It is administered by the County Building Inspector and an Ocracoke Village ordinance
advisory committee.
n. Existing wastewater treatment facilities
Existing wastewater treatment facilities are handled with subsurface disposal on site with the original
functioning leach fields for the facility. This has been reviewed with Hyde County Health Department
and approved for this use by this facility and its proposed use.
o. Existing drinking water supply source
Existing drinking water is supplied by the Ocracoke Sanitary District.
p. Existing stormwater management or treatment systems
Stormwater drainage from impervious surfaces around the building and the existing driveway are
currently draining to three areas: onto adjacent NPS property, into the Pamlico Sound, and into Silver
Lake Harbor.
Runoff from the existing roadway, parking lot, and other impervious areas is contained by a bio-
retention pond located west of the building at the southern end of the driveway cul-de-sac. Runoff
from a portion of the existing buildings is stored in a series of cisterns and is used for irrigation. The
original cisterns are in place for on-site containment of the rainwater falling upon the buildings and
impervious surfaces for the original Coast Guard Facility. The cisterns were originally designed to
retain a 25 year storm. The total volume of the cisterns is 47,000 gallons. Overflow from these
facilities goes to a pipe discharging to the stormwater control system. Collected rainwater is used for
landscape irrigation on site.
Page 2 of 5
CAMA MAJOR PERMIT ADDITIONAL RESPONSES
DCM-MP-1 (5): Activities and Impacts
b. Brief description of purpose, use, and daily operations of the project when complete
PURPOSE: Upland portions of the site including existing facilities are used for a teacher's coastal
education professional development center by the North Carolina Center for the Advancement of
Teaching (NCCAT). Driveway and parking facilities will provide parking for support of this educational
facility and access for seasonal Coast Guard use at their southern boat ramp.
USE: The facility will be used by NCCAT as an instructional facility for teachers with indoor and
outdoor study courses. The facilities will allow classes to be multi-day events with participants
staying in dormitories on site and attending indoor lectures. Classes will also use the coastal
environment as a learning tool and incorporate outdoor coursework. The shoreline protection
features and tidal marsh and maritime forest riparian buffer creation areas will offer additional outdoor
learning opportunities.
The site will also be used be the NIPS and U.S. Coast Guard (USCG). NPS will have access to the
grounds and walkways. USCG will have access through easements to the property and to boat
ramps extending into Silver Lake Harbor.
DAILY OPERATIONS: Daily operations will vary with the course work described in the uses above
but will also include site maintenance and administration activities.
c. Proposed construction methodology, types of construction equipment, number of each type
of equipment, and where it is to be stored
The anticipated method of construction includes barges that will deliver rock for the sills and small
front end loaders will push the rock from the barge into its final location. After the sills are
constructed, dump trucks will deliver sands to the site, which will then be pushed into the water and
shaped to the proposed contours using dozers. The number of each type of equipment is to be
determined by the contractor. It is assumed that the dozers will be stored on-site above high water
(within the construction limits) until completion and the trucks would leave the site each day.
d. List all development activities you propose
Project activities include:
(1) construction of a rock sill to stabilize the shoreline in the selected location,
(2) placement of fill and planting of intertidal marsh and maritime forest on the landward side of the sill
possibly including oyster reefs, coastal pools, and mudflat development, and
(3) construction of a new upland pervious pavement parking facility, an educational trail on a timber
walkway, and a timber pier into the marsh and over the water.
The project narrative provides a detailed description of these activities
h. Location and type of existing and proposed discharges to waters of the state
Existing
Stormwater drainage from impervious surfaces around the building and the existing driveway are
currently draining to three areas: onto adjacent NIPS property, into the Pamlico Sound, and into Silver
Lake Harbor.
Runoff from a portion of the on-site buildings is collected in the cisterns, with an overflow outlet to the
driveway. The original cisterns are in place for on-site containment of the rainwater falling upon the
buildings and impervious surfaces for the original Coast Guard Facility. The cisterns were originally
designed to retain a 25 year storm. The total volume of the cisterns is 47,000 gallons. Overflow from
these facilities goes to a pipe discharging to the stormwater control system in the driveway area.
Collected rainwater is used for landscape irrigation on site.
Page 3 of 5
CAMA MAJOR PERMIT ADDITIONAL RESPONSES
The existing parking area and driveway convey runoff as sheet flow along the driveway towards the
cul-de-sac near Silver Lake Harbour. Stormwater directed over the driveway outlets through a curb
cut at the cul-de-sac to a preformed scour hole. Stormwater passes through the scour hole and into a
bio-retention area (rain garden). A level spreader runs parallel to the bio-retention area. All systems
were designed to provide diffuse flow and acceptable velocities for the 25-yr storm event.
Proposed
The new parking area will add approximately 9,140 sf of developed surface to the NCCAT property.
Stormwater treatment was calculated assuming the pervious pavement area is 70% impervious per
CAMA and DWQ stormwater BMPs for the area. The stormwater retention area to the south of the
parking area is designed to hold the 1.5 inch storm event. The area is designed at nearly 5,685 cubic
feet with a surface area of nearly 11,825 square feet (including the existing stormwater retention
area). The parking area would be slightly sloped to drain stormwater into this area and prevent sheet
flow into the newly created riparian buffer, wetland area, and the Pamlico Sound. This new retention
area would connect to the bio-retention area constructed in 2007 with the associated on-site parking
and upland construction. The existing and new bio-retention areas drain into the Silver Lake Harbour.
Constructing the new detention area will improve the function of the existing bio-retention area by
allowing the incoming stormwater to overflow to the new basin.
j. Is there any mitigation proposed?
The nature of the project is to replace the high energy, eroding coastal area with a diverse and
natural vegetated area with high biological value. Mitigation for potential impacts is built into the very
design and purpose of the project. More details are provided in the project narrative and the project
designs.
Page 4 of 5
CAMA MAJOR PERMIT ADDITIONAL RESPONSES
DCM MP-1 (6): Additional Information
f. Addresses for Adjacent Land Owners are noted below. Notification Mail Receipts are located
in Tab 6 of this package.
United States Coast Guard
Commanding Officer
United States Coast Guard
Civil Engineering Unit Cleveland
1240 East 9m Street
Room 2179
Cleveland, Ohio 44199
1-216-902-6200
National Park Service
Mr. Steve Thompson
Special Park Uses Supervisor
National Park Service
1401 National Park Drive
Manteo, North Carolina 27954
1-252-473-2111 x 121
g. List of Previous Issued State and Federal Permits (and other pertinent authorizations)
No permits have been obtained for the current phase of work proposed.
Phase I of the development by the North Carolina Center for the Advancement of Teaching (NCCAT)
occurred in 2007. This development included refurbishing existing facilities for use as a teacher's
coastal education professional development center and the addition of a parking lot. The following
permits were obtained for those activities:
1. National Park Service Special Use Permit for Septic Drainage Field; Larry Belli; 2 December 2004
2. DCM CAMA Minor: No. 20-2005; Steve Trowell: 5 August 2005
3. DWQ Letter stating no permit required for Underground Injection Wells; Thomas Slusser; 28
September 2005
4. Asbestos removal permit No. NC16476; GDT; 3 October 2005
5. Ocracoke Preservation Society Letter; Pat Garber; 25 October 2005
6. DCM CAMA General: No. 42292; Steve Trowell; 22 November 2005
7. DCR SHPO Memorandum; Peter Sandbeck; 16 December 2005
8. DCM NOV 06-196; Terry Moore; 12 June 2006 and 9 October 2006
9. DWQ Tar Pamlico Buffer NOV; Al Hodge; 9 August 2006
10. DWQ Aquifer Protection Section Incident Number 87825 NOV; David May; 10 August 2006
11. DWQ Aquifer Protection Section Incident Number 87819 NOV; David May; 10 August 2006
12. Public Water System Authorization to Construct: No. 06-01545; Tony Chen; 15 September 2006
13. CAMA General: No. 46569; Steve Trowell; 18 October 2006
14. DWQ Aquifer Protection Section Incident Number 87825 NFA Letter; David May; 24 October
2006
15. DWQ Aquifer Protection Section Incident Number 87819 NFA Letter; David May; 7 November
2006
16. Tar-Pamlico Riparian Buffer Protection Rules Minor Variance 06-1852 (Hyde Co), 5 December
2006
17. Erosion and Sediment Control Plan No Hyde-2007-04, 7 December 2006
18. Stormwater Permit No. SW7061204, 20 December 2006
19. CAMA Major Permit No. 219-06, 29 December 2006
Page 5 of 5
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.
Access Other
Channel
NLW Canal Boat Basin Boat Ramp Rock Groin Rock (excluding
(
or Breakwater shoreline
NWL stabilization
970 If (total
Length NA NA NA NA NA for all sill NA
structures)
Width NA NA NA NA NA Inner sill 37.5' NA
Outer sill 28'
Avg. Existing
Depth NA NA NA NA NA NA NA
Final Project
Depth
NA
NA
NA
NA
NA
NA
NA
1. EXCAVATION ?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. sand
246
C. (i) Does the area to be excavated include coastal wetlands/marsh d. High-ground excavation in cubic yards.
(CW), submerged aquatic vegetation (SAV), shell bottom (SB), NA
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 excavation in these areas:
NA

2. DISPOSAL OF EXCAVATED MATERIAL ?This section not applicable
a. Location of disposal area. b. Dimensions of disposal area.
On-site within the new tidal marsh creation area. -215'x 650'
C. (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?
NA
e. (i) Does the disposal area include any coastal wetlands/marsh
(CW), submerged aquatic vegetation (SAV), shell bottom (SB),
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected.
?CW ®SAV 5574 ?SB
?WL ?None
(ii) Describe the purpose of disposal in these areas:
During filling and grading operations directly assocaited with
activities in Section 4 below, some excavated material from
higher elevations may be utilized to fill low areas that currently
contain SAV. The grading is necessary to create the proper
f. (i) Does the disposal include any area in the water?
®Yes ?No ?NA
(ii) If yes, how much water area is affected?
Excavated material (246 cy) resulting from grading high areas
within the marsh creation area will be utilized to fill low areas.
Much of this grading will take place within the water. The exact
area of disposal within the water cannot be precicely
calculated.
slope and profile for the shoreline stabilization and marsh
creation. There is a total of - 5,500 sf of patchy SAV beds on-
site with <5% SAV coverage within each patch. This calculate
to roughly 275 sf of actual SAV impacts (see narrative)
a. Type of shoreline stabilization: b. Length: 970 feet (total cumulative length for all sills)
?Bulkhead ?Riprap ®Breakwater/Sill ?Other: Width: Inner sill - 37.5'. Outer sill - 28'
C. Average distance waterward of NHW or NWL: -140' from d. Maximum distance waterward of NHW or NWL: 190' from
proposed NWL proposed NWL,
e. Type of stabilization material: f. (i) Has there been shoreline erosion during preceding 12
Armor stone (D50=7001b), Class B foundation and core stone, months?
geotextiles. ?Yes ONo ?NA
(ii) If yes, state amount of erosion and source of erosion amount
information.
Temporary shoreline erosion protection measures were
installed in November 2006 to slow erosion on-site. Between
20'-40' of shoreline had eroded between 2004 and 2006.
g. Number of square feet of fill to be placed below water level. h. Type of fill material.
Bulkhead backfill NA Riprap NA Sand, free of contaminants - inspected and approved by DENR.
Breakwater/Sill 3152 cy rip rap, 1716 cv core stone
Other
i. Source of fill material.
To Be Determined
4. OTHER FILL ACTIVITIES ?This section not applicable
(Excluding Shoreline Stabilization)
a. ti) vvw nu matenai De Drougnt to the site! Yes No LdNA
If yes,
(ii) Amount of material to be placed in the water
Aoyroximatlev 6500 cv
(iii) Dimensions of fill area -- 3.13 acres waterward of NWL. -
.99 acres landward of NWL
(iv) Purpose of fill
The filling is necessary to create the proper slope and
profile for the shoreline stabilization and marsh creation.
The current profile is unacceptable due to the heavy
erosion and scouring curently present on site. Of the total
area to be filled: 29,850 sf will be smooth cordgrass, 18,850
sf will be sltmeadow haw and black needlerush, 34,400 sf
will be marsh elder and way myrtle riparian buffer, and
7,050 will be iyster habitat.
(i) Will fill material be placed in coastal wetlands/marsh (CW),
submerged aquatic vegetation (SAV), shell bottom (SB), 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 these areas:
As dicsussed in Section 2 above, the filling is necessary to
create the proper slope and profile for the shoreline
stabilization and marsh creation. There is a total of - 5,500 sf
of patchy SAV beds on-site with <5% SAV coverage within
each patch. This calculate to roughly 275 sf of actual SAV
impacts (see narrative)
5. GENERAL
a. How will excavated or fill material be kept on site and erosion b. What type of construction equipment will be used (e.g., dragline,
controlled? backhoe, or hydraulic dredge)?
A silt fence will be installed on the landward side of the limits of The anticipated method of construction includes barges that will
disturbance and a turbidity curtin will be installed on the deliver rock for the sills and small front end loaders will push
waterward side of the limits of disturbance (see Design Sheets the rock from the barge into its final location. After the sills are
for Details). constructed, dump trucks will deliver sands to the site, which
will then be pushed into the water and shaped to the proposed
C. (i) Will navigational aids be required as a result of the project?
?Yes ®No ?NA
(ii) If yes, explain what type and how they will be implemented.
NA
contours using dozers. The number of each type of equipment
is to be determined by the contractor.
d. (i) Will wetlands be crossed in transporting equipment to project
site? ?Yes ®No ?NA
(ii) If yes, explain steps that will be taken to avoid or minimize
environmental impacts.
NA
6/11/2009
Date
NCCAT Shoreline Protection and Marsh Creation
Project Name
Greg Driver
Applica ame
Applicant Si re
Form DCM MP-3
UPLAND DEVELOPMENT
(Construction and/or land disturbing activities)
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.
GENERAL UPLAND DEVELOPMENT
a. Type and number of buildings, facilities, units or structures
proposed.
Upland development includes filling and grading to tie into
marsh creation area, planting of upland maritime forest, and
construction of a permeable pavement parking area and
associate stormwater bioretention area.
c. Density (give the number of residential units and the units per
acre).
no residential units or additional structures to be be
constructed other than parking area and timber walkway
If the proposed project will disturb more than one acre of land, the
Division of Land Resources must receive an erosion and
sedimentation control plan at least 30 days before land-disturbing
activity begins.
(i) If applicable, has a sedimentation and erosion control plan been
submitted to the Division of Land Resources?
®Yes ?No ?NA
(ii) If yes, list the date submitted: May 21, 2009
b. Number of lots or parcels.
one
d. Size of area to be graded, filled, or disturbed including roads,
ditches, etc.
Existign are to be disturbed is approximatly .99 acres. With
grading and filling of the shoreline during the stabilization
and marsh creation, the total upland area will be expanded
to 1.78 acres.
f. List the materials (such as marl, paver stone, asphalt, or concrete)
to be used for impervious surfaces.
A parking facility would be constructed of pervious pavers
over an 8 inch bed of number 57 stone and 2 inches of
asphalt sand, and the paver voids will be filled with a pea
gravel mixture.
The elevated walkway will be constructed of timber and is
not considered impervious.
g. Give the percentage of the tract within the coastal shoreline AEC to
be covered by impervious and/or built-upon surfaces, such as
pavement, building, rooftops, or to be used for vehicular driveways
or parking.
i. Give the percentage of the entire tract to be covered by impervious
and/or built-upon surfaces, such as pavement, building, rooftops,
or to be used for vehicular driveways or parking.
Total project site pre-construction is 160,460 sf
Total existing impervious area is 45,520 sf
Total existing impervious over the site is 28%
Total project site post-construction is 194,810 sf
Total proposed impervious area is 51,987 sf
Total proposed impervious over the site is 27%
h. Projects that require a CAMA Major Development Permit may also
require a Stormwater Certification.
(i) Has a site development plan been submitted to the Division of
Water Quality for review?
®Yes ?No ?NA
(ii) If yes, list the date submitted: _May 21, 2009
j. Describe proposed method of sewage disposal. k. Have the facilities described in Item (i) received state or local
NA
I. Describe location and type of proposed discharges to waters of the
state (e.g., surface runoff, sanitary wastewater, industrial/
commercial effluent, "wash down" and residential discharges).
Stormwater runoff from the parking area would be collected
in a stormwater biotretention area designed to hold the
1.5 inch storm event. The area is designed with nearly
5685 cubic feet of volume storage with a surface area of
nearly 11,825 square feet (including the existing
stormwater retention area). The parking area would be
slightly sloped to drain stormwater into this area and
prevent sheet flow into the newly created riparian buffer,
wetland area, and the Pamlico Sound. This new
retention area would connect to the bioretention area
constructed in 2007 with the associated on-site parking
and upland construction. The existing and new
bioretention areas discharge into the Silver Lake
Harbour after passing over a level spreader and through
a vegetated area. Constructing the new detention area
will improve the function of the existing bio-retention
area by allowing the incoming stormwater to overflow to
the new basin.
m. Describe proposed drinking water supply source (e.g., well,
community, public system, etc.)
NA
o. When was the lot(s) platted and recorded?
NA
approval?
?Yes ?No ®NA
If yes, attach appropriate documentation.
m. Does the proposed project include an innovative stormwater
design?
?Yes ?No ?NA
If yes, attach appropriate documentation.
n. (i) Will water be impounded? ®Yes ?No ?NA
(ii) If yes, how many acres? Approximatley 0.27 acres of
water may be temporarily impunded in the stormwater
retention area associated with the parking area.
p. If proposed development is a subdivision, will additional utilities be
installed for this upland development?
?Yes ?No ®NA
6/11/2009
Date
NCCAt Shoreline Protection and Marsch Creation
Project Name
Greg Driver
Applica ame
IkQ?.
Applicant Si ure
Form DCM MP-4
STRUCTURES
(Construction within Public Trust Areas)
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.
1. DOCKING FACILITY/MARINA CHARACTERISTICS
a. (i) Is the docking facility/marina:
?Commercial NPublic/Government ?Private/Community
?This section not applicable
b. (i) Will the facility be open to the general public?
NYes ?No
c. (i) Dock(s) and/or pier(s)
(ii) Number 1
(iii) Length 120'
(iv) Width 68"
(v) Floating ?Yes HNo
e. (i) Are Platforms included? ®Yes ?No
If yes:
(ii) Number 1
(iii) Length 15'
(iv) Width 30'
(v) Floating ?Yes NNo
Note: Roofed areas are calculated from dripline dimensions.
g. (i) Number of slips proposed
0
(ii) Number of slips existing
0
i. Check the proposed type of siting:
? Land cut and access channel
?Open water; dredging for basin and/or channel
?Open water; no dredging required
NOther; please describe:
no dredging/channel access required
k. Typical boat length: na
d. (i) Are Finger Piers included? ?Yes NNo
If yes:
(ii) Number
(iii) Length
(iv) Width
(v) Floating ?Yes ?No
f. (i) Are Boatlifts included? ?Yes NNo
If yes:
(ii) Number
(iii) Length
(iv) Width
h. Check all the types of services to be provided.
? Full service, including travel lift and/or rail, repair or
maintenance service
? Dockage, fuel, and marine supplies
? Dockage ("wet slips") only, number of slips:
? Dry storage; number of boats:
? Boat ramp(s); number of boat ramps:
® Other, please describe:
No Boat access provided - pedestrian use only
j. Describe the typical boats to be served (e.g., open runabout,
charter boats, sail boats, mixed types).
No Boat access provided - pedestrian use only
1. (i) Will the facility be open to the general public?
®Yes ?No
m. (i) Will the facility have tie pilings?
?Yes NNo
(ii) If yes number of tie pilings?
2. DOCKING FACILITY/MARINA OPERATIONS 0This section not applicable
a. Check each of the following sanitary facilities that will be included in the proposed project.
? Office Toilets
? Toilets for patrons; Number: ; Location:
? Showers
? Boatholding tank pumpout; Give type and location:
b. Describe treatment type and disposal location for all sanitary wastewater.
C. Describe the disposal of solid waste, fish offal and trash.
d. How will overboard discharge of sewage from boats be controlled?
e. (i) Give the location and number of "No Sewage Discharge" signs proposed.
(ii) Give the location and number of "Pumpout Available" signs proposed.
f. Describe the special design, if applicable, for containing industrial type pollutants, such as paint, sandblasting waste and petroleum products.
g. Where will residue from vessel maintenance be disposed of?
h. Give the number of channel markers and "No Wake" signs proposed.
i. Give the location of fuel-handling facilities, and describe the safety measures planned to protect area water quality.
j. What will be the marina policy on overnight and live-aboard dockage?
k. Describe design measures that promote boat basin flushing?
1. If this project is an expansion of an existing marina, what types of services are currently provided?
m. Is the marina/docking facility proposed within a primary or secondary nursery area?
?Yes ?No
n. Is the marina/docking facility proposed within or adjacent to any shellfish harvesting area?
?Yes ?No
o. Is the marina/docking facility proposed within or adjacent to coastal wetlands/marsh (CW), submerged aquatic vegetation (SAV), shell bottom
(SB), or other wetlands (WL)? If any boxes are checked, provide the number of square feet affected.
?CW ?SAV ?SB
?WL ?None
p. Is the proposed marina/docking facility located within or within close proximity to any shellfish leases? ?Yes ?No
If yes, give the name and address of the leaseholder(s), and give the proximity to the lease.
3. BOATHOUSE (including covered lifts) ®This section not applicable
a. (i) Is the boathouse structure(s):
?Commercial ?Public/Government ?Private/Community
(ii) Number
(iii) Length
(iv) Width
Note: Roofed areas are calculated from dripline dimensions.
4. GROIN (e.g., wood, sheetpile, etc. If a rock groin, use MP-2, Excavation and Fill.) ®This section not applicable
a. (i) Number
(ii) Length
(iii) Width
5. BREAKWATER (e.g., wood, sheetpile, etc.) ®This section not applicable
a. Length b. Average distance from NHW, NWL, or wetlands
c. Maximum distance beyond NHW, NWL or wetlands
6. MOORING PILINGS and BUOYS ®This section not applicable
a. Is the structure(s): b. Number
?Commercial ?Public/Government ?Private/Community
c. Distance to be placed beyond shoreline d. Description of buoy (color, inscription, size, anchor, etc.)
Note: This should be measured from marsh edge, if present.
e. Arc of the swing
7. GENERAL
a. Proximity of structure(s) to adjacent riparian property lines
The Pier will be constructed approximatley 35' waterward of
the current NWL and riparian buffer and approxiamtely 50'
waterward of the proposed NWL. The Pier will extend
through the proposed coastal marsh the the waterward
edge of the Riparian Buffer. A few feet of the pier will
extend into propsoed area for the DWQ riparian buffer.
Note: For buoy or mooring piling, use arc of swing including length
of vessel.
c. Width of water body
NA
e. (i) Will navigational aids be required as a result of the project?
?Yes ®No ?NA
(ii) If yes, explain what type and how they will be implemented.
b. Proximity of structure(s) to adjacent docking facilities.
NA
d. Water depth at waterward end of structure at NLW or NWL
The structure will end at approximately a current water
depth of 2 feet below the NWL. However, as filling for the
stablization will have been completed prior to pier
construction, water depth at time of constrction will be
approximatly 1.5 feet.
8. OTHER
?This section not applicable
a. Give complete description:
An elevated timber walkway approximately 5 feet wide and 500 feet long will be designed in the maritime forest parallel to the
restored shoreline. The walkway will extend from the NCCAT Driveway around the west side of the new parking area. In
order to comply with ADA requirements, the walkway will be at least 5 feet wide to maintain clear wheel-chair accessibility. To
accommodate the 5 foot accessibility, the width of the structure will be a total of 6 feet wide.
The timber pier will be designed to extend from the southern tip of the upland trail approximately 120 feet north of the jetty and
extend into the marsh parallel to the jetty and perpendicular to the shoreline. The 105 feet long pier is sited completely
waterward of the current NWL relative to existing conditions. Once the proposed grading and filling are complete,
approximately 50 feet of the pier will extend landward of the new NWL through the Estuarine Shoreline. The pier will be
approximately 3 feet above NWL over the Sound and will range between 1.5 and 3 feet above the marsh substrate in the
Estuarine Shoreline as the marsh slopes toward the water. In order to comply with ADA requirements, the pier will be at least
5 feet wide to maintain clear wheel-chair accessibility. To accommodate the 5 foot accessibility, the width of the structure will
be approximately 6 feet 8 inches except every ten feet at the locations of the timber piles. At the piles, the width of the pier
will be 7 feet 8 inches.
The pierhead will be over open water and will be designed with a deck structure to allow wheel-chair turn-around space as well
as accessibility and seating for up to 30 people (15 ft long by 30 ft wide). The pier and pierhead will be located to maximize
the viewing of ecological diversity through the marsh and coastal pool areas. The entire structure is designed for educational
access. It is not docking facility and will not be accessible to watercraft.
6/9/2009
Date
NCCAT Shoreline Protection and Marsh Creation
Project Name
Greg Driver
Applican 10 ame
Applicant Sig at re
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