NCDOT 7-98 Mitigation Concerns

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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
May 3, 2001
Mr. Mike Bell
Washington Regulatory Field Office
US Army Corps of Engineers
Post Office Box 1000
Washington, North Carolina.27889-1000
Subject: Response to letter from the US Environmental Protection Agency Region 4 to the
US Army Corps of Engineers Washington Regulatory Field Office
• concerning the NC Department of Transportation proposed Roanoke Island
Visitor Center/Rest Area. Action ID No. 199502334. NCDOT TIP No. R-2551
(K-4003).
Dear Mr. Bell:
The purpose of this letter is to address compensatory mitigation concerns described in a
letter dated April 24, 2001 from the US Environmental Protection Agency(EPA)Region 4
Wetlands Section in Atlanta. The letter was a response to the US Army Corps of Engineers
Public Notice for the proposed permit modification of R-2551 for the construction of the
Roanoke Island Visitor Center/Rest Area in Dare County, North Carolina.
During the development of the permit application, the NC Department of Transportation
(NCDOT)met on several occasions with state and federal resource agencies concerning this
project. The table below provides dates of these meetings and agencies in attendance. Each
meeting was held in Raleigh,NC unless otherwise indicated.
Interagency Meetings
Date Resources agencies present
March 6, 2000 NCDWQ, NCDCM, NCWRC, USFWS, NMF
June 6, 2000 (Roanoke Island) NCDWQ, NCDCM, NCWRC, USCOE
November 16 , 2000 NCDWQ,NCDCM, NCWRC, USCOE
February 15, 2001 • NCDWQ, NCWRC, USCOE
April 16, 2001 NCDCM
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE: WWW.DOH.DOT.STATE.NC.US RALEIGH NC
Pei cv:u N(: 97RQQ_1SAR

May 3, 2001
Mr. Mike Bell
Page 2 of 3
Note: NCDWQ-NC Division of Water Quality USCOE-US Army Corps of Engineers
NCDCM-NC Division of Coastal Management NMF-National Marine Fisheries
NCWRC-NC Wildlife Resources Commission
As a result of these meetings, NCDOT has committed to several conditions requested by
the resource agencies. One of these conditions, as requested by the Corps of Engineers, included
the permanent closure of the existing access points located along the new portion of US 64-264,
between the Croatan Sound and NC 345, currently under construction in Dare County near
Manteo. Each of these access points, with the exception of the access to be used for the Roanoke
Island Visitor Center/Rest Area, has been permanently closed.
As outlined in the submitted Roanoke Island Visitor Center/Rest Area Mitigation Plan,
NCDOT has also committed to the revegetation of stream buffers within NCDOT right-of-way as
part of permit application due to impacts to the stream. This work will be conducted on
approximately 820 ft of the stream buffers(including areas proposed for wetland
creation/restoration). This mitigation package was developed in concert with all agencies for
more than a year. •
Attached please find a summary for the project provided at one of the interagency
meetings that explains additional information about the proposed project including purpose and
need, avoidance and minimization efforts, as well previous agency coordination. This is provided
to specifically assist the EPA in better understanding the coordinated effort on this project.
Based on the information provided above, NCDOT requests that the EPA reconsider and
withdraw their recommendations made in response to the Public Notice for the permit
modification associated with Roanoke Island Visitor Center/Rest Area. NCDOT feels that the
mitigation plan submitted with the permit modification application adequately reflects the
significant and extensive coordination that occurred with both state and federal agencies during
the development of the permit application. _
Considering the urgency of this project, we request timely action on this matter in that any
changes to the submitted mitigation plan will re-engage multiple agency peiinits and reviews. If
you have any questions or need any additional information, please contact Mr. Chris Rivenbark at
[phone].
Sincerely,
"/•7'`/'-'-'77'/,-,Zri'- ' A/e..)41...el
William Gilmore, P.E., Branch Manager
Project Development and Environmental Analysis
WDG/mcr

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May 3, 2001
Mr. Mike Bell
Page 3 of 3
attachment
cc: Ms. Kathy Matthews, USEPA Region 4 Wetlands Section, Atlanta
Mr. David Franklin, USCOE, Wilmington District, Wilmington

K-4003, Roanoke Island Visitor Center
Subject: K-4003, Roanoke Island Visitor Center
Date: Mon, 16 Apr 2001 17:22:49 -0400
From: Cathy Brittingham <[e-mail]>
Organization: NC DENR DCM
To: riee gledhill-earley <[e-mail]>,
David Cox <[e-mail]>, Bill Moore <[e-mail]>,
, tCMcClain <[e-mail]> �4,,ex H-friY1.2 SS-7
The Division of Coastal Management is currently processing a request
from NC DOT for CAMA authorization to construct the Roanoke Island
Visitor Center in Dare County. A copy of DOT's proposal was sent to you
for review and comment by DCM on March 21st. Comments are needed from
your agencies before the CAMA authorization can be issued. Please
forward your comments to DCM at the address below at your earliest
convenience. Please let me know if you have any questions or require
additional information.
Thank you.
Cathy Brittingham
Transportation Project Coordinator
NC Division of Coastal Management
1638 Mail Service Center
Raleigh, NC 27699-1638
(919) 733-2293 X238 phone
(919) 733-1495 FAX
1 of 1 4/17/01 10:52 AM

North Carolina w gr
Department of Environment and Natural Resources •
•
Division of Coastal Management l
• Michael F.Easley,Governor NCDENR
William G.Ross Jr.,Secretary
Donna D.Moffitt,Director
04/11/01
Ms . Kelly Williams
NC DENR
Division of Coastal Management
PO Box 27687
Raleigh, NC 27611
REFERENCE : DCM01-16 County: Dare
Applicant/Sponsor: NC Department of Transportation
K-4003 , Roanoke Island Visitor Information Center and Rest Area
Dear Ms . Williams :
The attached U. S . Army Corps of Engineers Public Notice,
dated 04/09/01 describing a federal project or permit is
being circulated to interested State agencies for comments
concerning the proposal ' s consistency with the North Carolina
Coastal Management Program.
Please indicate your viewpoint on the proposal and
return this form to me before 04/30/01 .
Sincerely
Caroline .1. �eilis
Consistency Coordinator
REPLY This office objects to the project as proposed.
This orrice supports the project proposal.
Comments on this project are attached.
No comment.
Si Lined
Date
1638 Mail Service Center, Raleigh, North Carolina 27699-1638
Phone: [phone] \ FAX: [phone] \ Internet: http://dcm2.enr.state.nc.us
C>:ti/IT1OT.(IPPorrrim]1TV\ QPPMIyIATI\/P OrT i 1l\=hemm r)V,=R-inn,RRrVr1 PTl/1 DncT/`/lv qT;AEIJ PA pi?

DEPARTMENT OF THE ARMY
RECEIVED
Wilmington District, Corps of Engineers APR 10 2001
Post Office Box 1890
Wilmington,North Carolina 28402-1890 COASTAL MANAGEMENT
(Web page—http://www.saw.usace.army.mil/wetlands/regtour.htm)
ACTION ID No. 199502334 April 9, 2001
PUBLIC NOTICE
PERMIT MODIFICATION
THE NORTH CAROLINA DEPARTMENT OF TRANSPORTATION(NCDOT),
DIVISION OF HIGHWAYS, 1548 Mail Service Center,Raleigh,North Carolina 27699-1548,was
issued, on March 5, 1998, a Department of the Army(DA)permit TO FILL 13.22 ACRES OF
SECTION 404 WETLANDS, MECHANIZE LAND CLEAR 3.83 ACRES OF SECTION 404
WETLANDS, DRAIN 2.79 ACRES OF SECTION 404 WETLANDS,AND FILL 0.05 ACRES OF
OPEN WATERS OF THE UNITED STATES ADJACENT TO THE CROATAN SOUND,
SPENCER'S CREEK AND UNNAMED TRIBUTARIES. THE NCDOT PROPOSES TO WIDEN
APPROXIMATELY 10 MILES OF U.S. 64-264, INCLUDING CONSTRUCTING A NEW
BRIDGE OVER THE CROATAN SOUND AND ADJACENT MARSHES, FROM
US 64-264 WEST OF MANNS HARBOR TO NC 345 SOUTH OF MANTEO, IN DARE
COUNTY,NORTH CAROLINA, TIP NO. R-2551, FEDERAL AID PROJECT NO.
NHF-64(6), STATE PROJECT NO. 8.T051401. The permittee has applied for a modification
to the permit to
1. Move the permitted access point to the section of US 64-264 currently under construction
between the new Croatan Sound Bridge and NC 345 south of Manteo to the location in the attached
drawings.
2. Fill an additional 1.0 acre of Section 404 wetlands, mechanize land clear an additional
0.14 acres of Section 404 wetlands, and partially fill an additional 145.5 linear feet of stream to
construct the Roanoke Island Visitor Information Center and Rest Area from the new access point to
a 9.2 acre parcel adjacent to US 64-264,between the new Croatan Sound Bridge and NC 345 south
of Manteo in Dare County.
Construction plans are included with this public notice along with the applicant's
modification request that includes an analysis of alternatives.
Project Construction will result in 1.14 acres of permanent impacts to a portion of an
estuarine fringe wetland forest. Dominant vegetation present in this community includes loblolly
pine(Pinus teada),red bay(Persea borbonia),wax myrtle(Myrica cerifera), and red maple (Acer
rubrum).

A
2
NCDOT proposes to mitigate for the 1.14 acres of wetland impacts by constructing the
attached onsite Roanoke Island Visitor Center/Rest Area Mitigation Plan(VCMP) dated February
2001. The VCMP proposes to restore 0.88 acres of estuarine fringe wetlands. NCDOT proposes to
mitigate for the remaining impacts at off-site mitigation areas. NCDOT will mitigate for stream
bank impacts by planting within the NCDOT right-of-way as provided in the VCMP.
The applicant has determined that the proposed work is consistent with the North Carolina
Coastal Zone Management Plan and has submitted this determination to the North Carolina
Division of Coastal Management(NCDCM) for their review and concurrence. This proposal shall
be reviewed for the applicability of other actions by North Carolina agencies such as:
a. The issuance of a Water Quality Certification under Section 401 of the Clean
Water Act by the North Carolina Division of Water Quality(NCDWQ).
b. The issuance of a permit to dredge and/or fill under North Carolina General
Statute 113-229 by the North Carolina Division of Coastal Management (NCDCM).
c. The issuance of a permit under the North Carolina Coastal Area Management Act
(CAMA)by the North Carolina Division of Coastal Management(NCDCM) or their delegates.
d. The issuance of an easement to fill or otherwise occupy State-Owned submerged land
under North Carolina General Statute 143-341(4), 146-6, 146-11, and 146-12 by the North Carolina
Department of Administration(NCDA) and the North Carolina Council of State.
e. The approval of an Erosion and Sedimentation control Plan by the Land Quality Section,
North Carolina Division of Land Resources (NCDLR),pursuant to the State Sedimentation
Pollution Control Act of 1973 (NC G.S. 113 a-50-66).
The State of North Carolina will review this public notice to determine the need for the
applicant to obtain any required State authorization. No Department of the Army(DA)permit will
be modified until the coordinated State viewpoint on the proposal has been received and reviewed
by this agency,nor will a DA permit be modified until the North Carolina Division of Water Quality
(NCDWQ)has determined the applicability of a Water Quality Certification as required by PL 92-
500.
This modification is being considered pursuant to Section 404 of the Clean Water Act
(33 U.S.C. 1344). Any person may request, in writing within the comment period specified in
the notice, that a public hearing be held to consider this application. Requests for public hearing
shall state,with particularity, the reasons for holding a public hearing.
The District Engineer has consulted the latest published version of the National Register of
Historic Places for the presence or absence of registered properties, or properties listed as being
eligible for inclusion therein, and this worksite is not a registered property or property listed as

3
being eligible for inclusion in the Register. Consultation of the National Register constitutes the
extent of cultural resource investigations by the District Engineer, and he is otherwise unaware of
the presence of such resources. Presently,unknown archeological, scientific, prehistorical, or
historical data may be lost or destroyed by work under the requested permit modification.
The District Engineer,based on available information, is not aware that the proposed
activity will affect species, or their critical habitat, designated as endangered or threatened pursuant
to the Endangered Species Act of 1973.
This notice initiates the Essential Fish Habitat(EFH) consultation requirements of the
Magnuson-Stevens Fishery Conservation and Management Act. The DE's initial determination is
that the proposed project would not adversely impact EFH or associated fisheries managed by the
South Atlantic or Mid Atlantic Fishery Councils or the NMFS.
The decision whether to issue a permit modification will be based on an evaluation of the
probable impacts, including cumulative impacts, of the proposed activity and its intended use on the
public interest. Evaluation of the probable impacts which the proposed activity may have
on the public interest requires a careful weighing of all those factors which become relevant in each
particular case. The benefits which reasonably may be expected to accrue from the proposal must
be balanced against its reasonably foreseeable detriments. The decision whether to authorize a
proposal, and if so the conditions under which it will be allowed to occur, are therefore determined
by the outcome of the general balancing process. That decision should reflect the national concern
for both protection and utilization of important resources. All factors which may be relevant to the
proposal must be considered including the cumulative effects thereof. Among those are
conservation, economics, aesthetics, general environmental concerns,wetlands, cultural values, fish
and wildlife values, flood hazards and flood plain values (in accordance with Executive Order
11988), land use,navigation, shore erosion and accretion,recreation,water supply and conservation,
water quality, energy needs, safety, food and fiber production,mineral needs, considerations of
property ownership, and, in general,the needs and welfare of the people. For activities involving
the placement of dredged or fill materials in waters of the United States, a permit modification will
be denied if the discharge that would be authorized by such modification would not comply with the
Environmental Protection Agency's 404(b)(1) guidelines. Subject to the preceding sentence and any
other applicable guidelines or criteria, a permit modification will be granted unless the District
Engineer determines that it would be contrary to the public interest.
Generally,the decision whether to issue this Department of the Army(DA)permit
modification will not be made until the North Carolina Division of Water Quality(NCDWQ)issues,
denies, or waives State certification required by Section 401 of the Clean Water Act. The NCDWQ
considers whether or not the proposed activity will comply with Sections 301, 302, 306, and 307 of
the Clean Water Act. The application and this public notice for the DA permit serves
as application to the NCDWQ for certification.

4
Additional information regarding the Clean Water Act certification may be reviewed at
the offices of the North Carolina Division of Water Quality(NCDWQ), at the address specified
below. Copies of such materials will be furnished to any person requesting copies upon payment of
reproduction costs.
All persons desiring to make comments regarding the application for Clean Water
Act certification should do so in writing delivered to the North Carolina Division of Water Quality
(NCDWQ), 1621 Mail Service Center, Raleigh,North Carolina 27699-1621, on or before April 27,
2001,Attention: Mr. John Dorney.
Written comments pertinent to the proposed work, as outlined above, will be received in this
office, Attention: Michael F. Bell, Washington Regulatory Field Office, Post Office Box 1000,
Washington,North Carolina 27889-1000,until 4:15 p.m.,May 8,2001, or telephone
[phone], extension 26.

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PROPERTY OWNERS
NAMES AND ADDRESSES
PARCEL NO. NAMES ADDRESSES
1,2,3,4 MARSHALL C. COLLINS FAMILY P.O. BOX 1675
LIMITED PARTNERSHIP KILL DEVIL HILLS, N.C.
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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
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February 23, 200410, 0I
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Department of the Army `" `'
Wilmington District, Corps of Engineers
P.O. Box 1890
Wilmington, North Carolina 28402-1890
ATTN: Mr. David Franklin
Dear Sir:
SUBJECT: PERMIT MODIFICATION FOR THE PROPOSED ROANOKE ISLAND
VISITOR INFORMATION CENTER AND REST AREA ADJACENT TO US 64-
264 BETWEEN THE CROATAN SOUND AND THE US 64/NC 345
INTERSECTION, DARE COUNTY, TIP NO. R-2551.
U. S. ARMY CORPS OF ENGINEERS ACTION ID NO. 199502334.
N.C. DIVISION OF COASTAL MANAGEMENT CAMA PERMIT NO. 7-98
N.C. DIVISION OF WATER QUALITY WQC PROJECT NO. 970856.
The North Carolina Department of Transportation (NCDOT)proposes to construct a
visitor information center and rest area on a 9.2 ac. parcel adjacent to US 64-264 between the
Croatan Sound and the US 64/NC 345 intersection, Dare County. The scope of work for this
project was documented as a Categorical Exclusion (CE) approved by the Federal Highway
Administration [Federal Aid Project NHS 64 (27), State Project 8.1052501] on 8 August, 2000.
On March 5, 1998, the U.S. Army Corps of Engineers issued a permit, Action I.D. #
199502334, for improvements to US 64-264, including the construction of a new Croatan Sound
Bridge, from west of Manns Harbor to NC 345 south of Manteo in Dare County [TIP No. R-
2551, Federal Aid Project No. NHF-64 (6), State Project No. 8.T051401]. At the request of the
resources agencies,NCDOT proposes to modify this permit as opposed to applying for a separate
permit for impacts associated with the visitor information center and rest area.
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE: VWvW.DOH.DOT.STATE.NC.US RALEIGH NC 27611
RALEIGH NC 27699-1548

One of the two access points to the section of US 64-264 currently under construction
between the new Croatan Sound Bridge and NC 345 south of Manteo, has been permanently
closed at the request of the U.S. Army Corps of Engineers. This access, which is located south
of the US 64-264 corridor is now owned by the N.C. Wildlife Resources Commission (WRC)
has been closed and will not be used to provide access to to the new section of US 64-264 once
construction is complete. A letter from WRC is included with this permit application.
The access to the property on the northern side of the corridor is registered to Dare
County. Terry Wheeler, Dare County Manager has informed NCDOT that the County is in the
process of closing the access, however a definite date of closure is unavailable at this time.
Written confirmation of this closure will be forwarded as soon as it becomes available. NCDOT
is aware that this project will not be permitted unless this access is permanently closed. This
permit modification is being sent with the full understanding that the issue of closure will be
addressed, however this application is being sent to expedite the processing time.
Environmental Impacts
Jurisdictional Streams. An unnamed tributary to the Croatan Sound [DWQ Index No. 30-
20-(2), (8/1/90)], will be crossed by the driveway for the visitor center and rest area resulting in
145.5 linear ft of impacts. This is a perennial stream in the Pasquotank River Basin which
carries a Best Usage Classification of SA which are salt waters suitable for commercial,
shellfishing, and all other tidal saltwater uses by definition. No stream relocation or channel
change will be involved. There will also be 0.01 acres of fill in surface waters
Jurisdictional Wetlands. Project construction will result in 1.14 ac of permanent impacts
to a portion of a estuarine fringe forest. Dominant vegetation present in this community include
loblolly pine (Pinus taeda), red bay (Persea borbonia), wax myrtle (Myrica cerifera), red maple
(Acer rubrum), greenbrier (Smilax sp.), and American holly (Ilex opaca). Impacts consist of 0.82
acres of fill, 0.18 ac of isolated wetlands, and 0.15 acres due to mechanized clearing. Permit
drawings depicting this proposed work are attached.
Threatened And Endangered Species. The following species are listed as threatened,
endangered, or experimental for Dare County: A Biological Conclusion of No Effect has been
reached for each of the following species. Final concurrence from the U.S. Fish and Wildlife
Service was issued for each of these species on February 20, 2001.
• Red wolf(Canus rufus). Experimental.
• Loggerhead turtle (Caretta caretta). Threatened
• Piping plover(Charadrius melodus). Threatened
• Green sea turtle (Chelonia mydas). Threatened
• Leatherback turtle (Dermochelys coriacea). Endangered
• American alligator (Alligator mississippiensis). Threatened (S/A)
• Hawksbill sea turtle (Eretomochelys imbricata). Endangered
• Bald eagle (Haliaeetus leucocephalus). Threatened

•
• Kemp's ridley sea turtle (Lepidochelys kempii). Endangered
• West Indian manatee (Trichechus manatus). Endangered
• Red-cockaded woodpecker (Picoides borealis). Endangered
• Roseate tern (Sterna dougallii). Endangered
• Seabeach amaranth (Amaranthus pumilus). Threatened
Cultural Resources. No historic structures listed in or eligible for the National Register of
Historic Places are located within the project area. This determination was issued by the State
Historic Preservation Office (SHPO) and the Federal Highway Administration (FHWA) on May
10, 2000. There is one known archaeological site, 31DR76, within the proposed project. The
site was originally thought to have been eligible for the National Register. However, after
additional evaluation, SHPO found the site to be not eligible.
Mitigation Sequencing
Avoidance. The NCDOT is committed to incorporating all practicable design features to
avoid and minimize wetland impacts, and to provide full compensatory mitigation of the
remaining wetland impacts. During the design of this project,NCDOT has investigated several
alternatives for the location of the driveway entrance to the Visitor Center and Rest Area. The
Categorical Exclusion (CE) describes in detail why the current location was selected; however,
there have been some developments relating to this issue since the CE was signed.
The Army Corps of Engineers, the N.C. Division of Water Quality, and the N.C. Wildlife
Resource Commission all expressed their concern over the location of the driveway entrance and
the associated impacts to wetlands and the unnamed tributary to the Croatan Sound. Based on
these comments,NCDOT investigated moving the location of the driveway such that it would
avoid impacting these resources.
By moving the driveway entrance north of the proposed location, additional wetland
impacts would occur. NCDOT's proposed location places the entrance in a location that
minimizes impacts to the surrounding wetlands.
Moving the driveway entrance south of its proposed location was also investigated;
however, this alternative would compromise the safety of the traveling public along the US 64
Bypass as well as those exiting the Visitor Center. The minimum safe stopping/sight distance
listed in the Roadway Design Manual is 917 feet. From the end of the bridge rail on the US 64
Bypass, which is the farthest point south for which cars exiting the Visitor Center can see,to the
proposed driveway entrance, the sight distance is 967 feet. Therefore, the proposed entrance
location is situated such that it is approximately 50 feet greater than the minimum design limit
for safe stopping/sight distance as listed in the Roadway Design Manual. Moving the driveway
entrance 50 feet to the south, the point of minimum design safe stopping/sight distance, would
place the entrance directly on top of the unnamed tributary to the Croatan Sound and would;
therefore, dramatically increase the amount of linear stream impacts associated with this project.

Due to existing topography and design constraints it was determined that the driveway
entrance location could not be moved without additional wetland and stream impacts or
unacceptable compromises to driver safety.
Avoidance measures were taken during the planning phases of the CE; minimization
measures were incorporated as part of the project design. The avoidance measures will include:
1. Permanent closure of two existing access points along the portion of US 64-264
currently under construction.
2. No staging of construction equipment or storage of construction supplies will be
allowed in wetlands or near surface waters.
3. All wetland areas not affected by the project will be protected from unnecessary
encroachment.
Minimization. Minimization includes the examination of appropriate and practicable
steps to reduce the adverse impacts. Minimization techniques were implemented as follows:
1. Slopes: Fill slopes adjacent to the stream crossing are at a 2:1 ratio as opposed to the
original designs of 3:1.
2. High quality water standards: Strict enforcement of sedimentation and erosion control
Best Management Practices (BMP) for the protection of surface waters and wetlands
will be enforced.
3. Reduced impacts to surface waters: Impacts to surface waters were reduced to 145.5
linear ft compared to approximately 600 linear ft for the original design.
Mitigation—Jurisdictional Wetlands. The project will impact 1.14 ac. of jurisdictional
wetlands. NCDOT proposes to offer 0.88 ac of onsite mitigation in the form of both restoration
and creation (0.11 ac., 0.77 ac. respectively). The attached Onsite Mitigation Plan for the
Roanoke Island Visitor Center/Rest Area provides detailed information pertaining to onsite
mitigation, but the plan is summarized in the following paragraph. NCDOT also proposes to
debit wetland mitigation sites for the remaining impacts, one of which is not in Dare County.
NCDOT is aware of Dare County's Land Use Plan and justification for debiting a site outside of
the county is explained later in this section.
Wetland compensation for the Visitor Center/Rest Area will be accomplished by
restoration, creation, and preservation(see Table 1). NCDOT plans to mitigate for 0.88 ac. of the
total wetland impacts through on-site restoration of 0.11 ac. (1:1) and creation of 0.77 ac. (1:1)
by removing fill from portions of the onsite borrow pit. These areas will then be vegetated with
species matching the estuarine fringe wetland community. NCDOT requests a 1:1 ratio for
creation due to the high probability of success for extending adjacent wetland boundaries. In

addition, NCDOT will preserve 1.1 ac. of estuarine fringe wetlands on the Visitor Center/Rest
Area property.
NCDOT plans to mitigate for the remaining 0.26 ac. of impacts offsite. NCDOT will
mitigate 0.26 ac. with 0.26 ac. of successful riverine wetland restoration (1:1) at the NCDOT
owned Dismal Swamp Mitigation Site in Gates and Perquimans Counties. A summary sheet
showing total debits to the site and coordinates for this debit are included with this permit
modification. NCDOT plans to mitigate for the remaining portion of the 0.26 ac. of impacts with
1.3 ac. of forested wetland preservation (5:1) at the Mashoes Road Mitigation Site in Dare
County.
Per conversations with resources agencies, no stream restoration will be required due to
impacts being less than 150 ft however,NCDOT will vegetate the portions of the stream banks
where vegetation has been removed do to a.stream restoration project. The stream banks to be
vegetated are within NCDOT right-of-way and will include species matching the estuarine fringe
wetland community.
TABLE 1. Mitigation Credits and Debit Sources
Community Type Acreage Ratio Source
Estuarine Fringe Restoration 0.11 1:1 Visitor Center/Rest Area
Mitigation Site,Dare Co.
Estuarine Fringe Creation 0.77 1:1 Visitor Center/Rest Area
Mitigation Site, Dare Co.
Riverine Wetland Restoration 0.26 1:1 Dismal Swamp Mitigation Site,
Gates/Perquimans Counties
Forested Wetland Preservation 1.3 5:1 Mashoes Road Mitigation Site,.
Dare Co.
Estuarine Fringe Preservation 1.1 n/a Visitor Center/Rest Area
Mitigation Site, Dare Co.
Total 3.54
Dare County's Land Use Plan requires that "Mitigation activities and improvements
designed as compensation for wetland loss occurring in Dare County shall be located, whenever
possible, in Dare County and in proximity to the loss." Landmark Design Group (formerly
Langley and McDonald), conducted a wetland mitigation search for the Pasquotank River Basin
in September of 1998 under contract with NCDOT. Of the sites identified, only one (Mashoes
Road Site) included mitigation within Dare County matching the impacts associated with this
project. The Forested Wetland Restoration acreage at this site has been debited for other
NCDOT projects. Therefore,NCDOT proposes to debit 0.26 ac of wetland restoration outside of
Dare County.
The N.C. Coastal Resources Commission has adopted a 30 ft buffer for new development
along navigable waterways in the 20 counties governed by the N.C. Division of Coastal
Management. A portion of the fill material necessary for the Visitor Center/Rest Area will be
placed within 30 ft of the unnamed tributary to the Croatan Sound. NCDOT plans to remove

portions of the existing fill material that falls within the 30 ft buffer and replace it with new fill
material to create a more stable fill slope. However, this new fill material will not exceed the
footprint of the existing fill material and NCDOT has minimized where possible, the need to
place any fill material within the 30 ft buffer.
Also included with this permit modification is revised information for wetland
reforestation planting in wetland areas east of the new Croatan Sound bridge currently under
construction. At the request of the Roanoke Corridor Commission, indigenous wetland trees will
be planted from the toe of slope to existing vegetation and/or right-of-way line totaling 2.1 ac.
No additional fill, excavation, or clearing in jurisdictional wetlands will occur as a result of this
reforestation. The mix will planted at rate of approximately 680 trees/acre and include:
20%Pinus taeda, loblolly pine
20% Quercus virginiana, live oak (planted closest to the toe of slope)
20 % Taxodium distichum, bald cypress
20%Magnolia virginiana, sweetbay magnolia
20% Quercus nigra, water oak
It is anticipated these activities will be authorized by a modification to the existing U.S.
Army Corps of Engineers (Action ID No. 199502334). Checks in the amount of$100.00 are
enclosed to cover the CAMA processing fee and $475.00 for the NCDWQ processing fee. The
adjacent property owner has been notified of this permit request. A copy of the letter sent to the
property owner and the certified mail receipt are attached. The signed return receipt from this
property owner will be forwarded to you as soon as possible. The N.C. Stormwater Management
permit application is also attached as required by NCDWQ. By copy of this letter,NCDOT
requests a modification of the permits issued by N.C. Division of Coastal Management(CAMA
Permit No. 7-98) and N.C. Division of Water Quality (WQC Project No. 970856).
Thank you for your assistance. If you have any questions, please contact Mr. Chris
Rivenbark at(919) 733-9513.
Sincerely,
/ . / 1
William Gilmore, P. E., Manager
k,,,_,
Project Development and Environmental Analysis Branch

cc: Mr. Doug Huggett, DCM, Raleigh
Mr. Frank Jennings, DCM, Elizabeth City
Mr. Mike Bell, USACE, Washington
Mr. John Dorney, DWQ, Raleigh
Mr. Ron Sechler,NMFS, Beaufort
Mrs.Debbie Barbour, P.E., Roadway Design
Mr. Calvin Leggett, P.E., Program Development
Mr. Don Lee, Roadside Environmental
Mr. Len Hill, P.E., Highway Design
Mr. Dave Henderson, P.E., Hydraulics
Mr. Tim Roundtree, P.E., Structure Design
Mr. Bob Capehart, P.E., Division 1 Engineer
Mr. Craig Young, PD&EA

Roanoke Island Visitor Center/Rest Area Mitigation Plan
Roanoke Island Visitor Center and Rest Area on US 64-264 between the Croatan Sound and the
US 64/NC 345 intersection, Dare County
TIP No. K-4003
Permit Modification to TIP No. R-2551
5w,
Iv
North Carolina Department of Transportation
Division of Highways
Project Development and Environmental Analysis Branch
Natural Systems Unit
February 2001

Pasquotank River Basin in September of 1998 under contract with NCDOT. Of the sites
identified, only one (Mashoes Road Site) included mitigation within Dare County matching the
impacts associated with this project. The forested wetland restoration acreage at this site has
been debited for other NCDOT projects. NCDOT proposes to debit 0.26 ac of wetland
restoration outside of Dare County.
2.0 Roanoke Island Visitor Center/Rest Area Mitigation Site
The purpose of this report is to document the existing site conditions at the location of the
proposed Visitor Center/Rest Area, to describe the wetland restoration, and to establish the
restoration monitoring for the Roanoke Island Visitor Center/Rest Area Mitigation Plan. This
plan includes on-site wetland restoration and creation associated with the borrow pit that
previously existed onsite. As described earlier, the 0.11 ac. of on-site wetland restoration and
0.77 ac. of creation is proposed as a portion of the required mitigation for Visitor Center/Rest
Area.
2.1 Site Description
The existing site is approximately 9.2 ac in size. Before the purchase of the property by
NCDOT, the majority of the property was used as a borrow pit and spoil basin. Since that time,
the basin walls have been pushed in and the spoil material has been mixed with material from the
berm that once enclosed the basin. The change in slope across the site is from 1.5 feet above
mean sea level (msl) to 5.0 feet above msl.
The wetland area east of the borrow pit is characterized as an estuarine fringe forest community.
Dominant vegetation present in the estuarine fringe community includes loblolly pine (Pinus
taeda), red bay (Persea borbonia), wax myrtle (Myrica cerifera), red maple (Acer rubrum),
greenbrier (Smilax sp.), and American holly (Ilex opaca). The wetland area east of the borrow pit
has the same vegetation as the east side, with the exception of less loblolly pine and silverling
(Baccharis halimifolia) is the dominant vegetation.
The soils in this area are mapped by the Soil Survey of Dare County (NRCS, 1992) as the
Baymeade-Icaria-Johns association. However, Urban fill is the dominant soil type in the study
area,primarily associated with the borrow pit. Baymeade fine sand, Leon fine sand, and
Belhaven muck are also located within the project study area.
2.2 Methodology
The goal of the mitigation plan is to establish a wetland community classified as Estuarine
Fringe. The proposed Visitor Center/Rest Area Mitigation Site will provide 0.88 acres of on-site
wetland restoration/creation by removal of the existing fill associated with the borrow pit that
was previously onsite (Figure 1). Approximately 1.0-3.0 ft. of fill material will be graded down

TABLE 2. Mitigation Credits and Debit Sources
Community Type Acreage Ratio Source
Estuarine Fringe Restoration 0.11 1:1 Visitor Center/Rest Area
Mitigation Site, Dare Co.
Estuarine Fringe Creation 0.77 1:1 Visitor Center/Rest Area
Mitigation Site, Dare Co.
Estuarine Fringe Preservation 1.1 n/a Visitor Center/Rest Area
Mitigation Site, Dare Co.
Forested Wetland Preservation 1.3 5:1 Mashoes Road Mitigation Site,
Dare Co.
Riverine Wetland Restoration 0.26 1:1 Dismal Swamp Mitigation Site,
Gates Perquimans Counties
Total 3.54
2.5 Final Dispensation of Property
NCDOT will retain ownership of the mitigation site until all monitoring requirements are
fullfilled and an appropriate recipient is identified. If and when the deed is transferred,
restrictions will be placed on the property to ensure protection in perpetuity.

Dismal Swamp Mitigation Site
Debit Ledger (Rev. 2/16/00)
A: Non-Riverine Swamp Forest (485 acres)
Plot Area TIP Point X Y
Name (Acres) Project Coordinate Coordinate
Al 39.71 R-2208A 1 2,737,488.32 963,682.70
2 2,736,486.94 963,528.58
3 2,736,257.97 965,231.61
4 2,737,262.39 965,363.76
A2 2.69 R-2512A, B 1 2,734,848.58 963,835.39
"2 2,735,384.40 963,910.70
3 2,735,414.51 963,696.40
4 2,734,878.70 963,621.10
A3 20.6 R-2515A 1 2,735,062.98 961,645.57
2 2,735,127.75 961,474.33
3 2,735,258.72 961,411.28
4 2,735,377.67 961,433.82
5 2,735,438.74 961,247.50
6 2,735,318.46 961,172.42
7 2,735,312.36 960,988.30
8, 2,735,275.29 960,983.10
9 2,735,243.40 960,920.43
10 2,735,193.28 960,904.66
11 2,735,172.43 960,866.83
12 2,735,188.77 960,522.97
13 2,735,856.73 960,611.02
14 2,735,579.35 962,233.02
15 2,734,951.40 962,191.31
16 2,735,078.05 962,014.21
A4 1.93 R-2512A, B 1 2,734,878.70 963,621.10
2 2,735,414.37 963,696.38
3 2,735,436.00 963,542.47.
4 2,734,900.33 963,467.18
A5 52.66 R-2404B, C 1 2,736,257.97 965,231.61
2 2,736,013.01 965,197.14
3 2,735,826.27 965,172.77
4 2,735,630.36 965,144.74
5 2,735,412.19 965,121.76
6 2,735,217.96 965,098.39
7 2,735,524.83 962,908.55
8 2,736,552.23 963,052.68
9 2,736,482.70 963,548.30

I
B: Riverine Swamp Forest (58 acres)
Plot Area TIP Point X Y
Name (Acres) Project Coordinate Coordinate
B1 6.09 R-2208A 1 2,732,769.03 962,239.42
2 2,733,026.62 962,275.73
3 2,732,881.10 963,308.01
4 `` 2;732,634.40 963,275.97
B2 8.06 R-2512A, B 1 2,732,768.74 962,241.46
2 2,733,026.62 962,275.73
3 2,733,361.17 962,319.37
4 2,733,673.27 962,359.21
5 2,733,678.94 962,172.66
6 2,733,624.54 961,955.03
7 2,732,921.09 961,840.25
8 2,732,830.67 961,830.11
B3 0.88 R-2228A 1 2,732,634.40 963,275.97
2 2,732,881.10 963,308.01
3 2,732,859.53 963,461.48
4 2,732,614.61 963,428.37
B4 4.26 R-2404B, C 1 2,732,859.53 963,461.48
2 2,732,753.31 964,217.29
3 2,732,516.31 964,185.26
4 2,732,614.61 963,428.37
B5 1.5 R-2551 1 2,733,361.17 962,319.37
2 2,733,333.89 962,511.87
3 2,732,999.89 962,465.36
4 2,733,026.62 962,275.73
B6 0.26 R-2551 (K-4003) 1 2,733,600.71 963,885.25
2 2,733,672.00 963,715.12
3 2,733,629.69 963,675.70
4 2,733,549.78 963,852.19

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ANT q�F
4P,4\ ,\e,\ DEPARTMENT OF THE ARMY
,d4 =-- —'- . WILMINGTON DISTRICT, CORPS OF ENGINEERS
a
s+I�!r P.O. BOX 1890
aii‘ ' WILMINGTON, NORTH CAROLINA 28402-1890
SSA l l\i�!P'
IN REPLY REFER TO April 9, 2001
Regulatory Division
Action ID No. 199502334
RECEIVED
Mr. John Dorney APR 1 6 2001
NCDENR COASTAL MANAGEMENT
North Carolina Division of Water Quality
Wetlands Section
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Dear Mr. Domey:
Enclosed is a permit modification request by the North Carolina Department of
Transportation (NCDOT) for Department of the Army(DA) authorization and a State Water
Quality Certification to:
1. Move the permitted access point to the section of US 64-264 currently under
construction between the new Croatan Sound Bridge and NC 345 south of Manteo to the location
in the attached drawings.
2. Fill 1.0 acre of Section 404 wetlands, mechanize land clear 0.14 acres of Section 404
wetlands, and partially fill 145.5 linear feet of stream to construct the Roanoke Island Visitor
Information Center and Rest Area from the new access point to a 9.2 acre parcel adjacent to US
64-264,between the new Croatan Sound Bridge and NC 345 south of Manteo in Dare County.
This activity is associated with the Department of the Army permit issued on March 5,
1998, for the proposed widening of approximately 10 miles of US 64-264, including constructing
a new bridge over the Croatan Sound and adjacent marshes, from US 64-264 west of Manns
Harbor to NC 345 south of Manteo, in Dare County, North Carolina(TIP No. R-2551,Federal
Aid Project No. NHF-64(6), State Project No. 8T051401). Your receipt of this letter verifies
your acceptance of a valid request for certification in accordance with Section 325.2(b)(ii) of our
administrative regulations.
We are considering authorizing the proposed activity pursuant to Section 404 of the Clean
Water Act, and we have determined that a water quality certification is required under the
provisions of Section 401 of the same law. A Department of the Army permit will not be granted
until the certification has been obtained or waived.

In accordance with our administrative regulations, in most cases, 60 days after receipt of a
request for certification is a reasonable time for State action. Therefore, if you have not acted on
the request, or asked for an extension of time, by June 6, 2001,the District Engineer will deem
that waiver has occurred.
Thank you for your time and cooperation. Questions or comments may be addressed
to Mr. Michael F. Bell at the Washington Regulatory Field Office, telephone [phone],
extension 26.
Sincerely,
E. David Franklin
Chief, NCDOT Team
Enclosure
Copies Furnished(without enclosure):
Mr. Doug Huggett
Division of Coastal Management
1638 Mail Service Center
Raleigh, North Carolina 27699-1638
2

•
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• 5rArto OCla ( I01tO
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR _ SECRETARY
February 23, 200NARO ; 2001
r1,i?t } 9x t4('.
Department of the Army
Wilmington District, Corps of Engineers
P.O. Box 1890
Wilmington, North Carolina 28402-1890
ATTN: Mr. David Franklin
Dear Sir:
SUBJECT: PERMIT MODIFICATION FOR THE PROPOSED ROANOKE ISLAND
VISITOR INFORMATION CENTER AND REST AREA ADJACENT TO US 64-
264 BETWEEN THE CROATAN SOUND AND THE US 64/NC 345
INTERSECTION, DARE COUNTY, TIP NO. R-2551.
U. S. ARMY CORPS OF ENGINEERS ACTION ID NO. 199502334.
N.C. DIVISION OF COASTAL MANAGEMENT CAMA PERMIT NO. 7-98
N.C. DIVISION OF WATER QUALITY WQC PROJECT NO. 970856.
The North Carolina Department of Transportation(NCDOT)proposes to construct a
visitor information center and rest area on a 9.2 ac. parcel adjacent to US 64-264 between the
Croatan Sound and the US 64/NC 345 intersection, Dare County. The scope of work for this
project was documented as a Categorical Exclusion (CE) approved by the Federal Highway
Administration [Federal Aid Project NHS 64 (27), State Project 8.1052501] on 8 August, 2000.
On March 5, 1998, the U.S. Army Corps of Engineers issued a permit, Action I.D. #
199502334, for improvements to US 64-264, including the construction of a new Croatan Sound
Bridge, from west of Manns Harbor to NC 345 south of Manteo in Dare County [TIP No. R-
2551, Federal Aid Project No. NHF-64 (6), State Project No. 8.T051401]. At the request of the
resources agencies, NCDOT proposes to modify this permit as opposed to applying for a separate
permit for impacts associated with the visitor information center and rest area.
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE: WWW.DOH.DOT.STATE.NC.US RALEIGH NC 27611
RALEIGH NC 27699-1546 ...

One of the two access points to the section of US 64-264 currently under construction
between the new Croatan Sound Bridge and NC 345 south of Manteo, has been permanently
closed at the request of the U.S. Army Corps of Engineers. This access, which is located south
of the US 64-264 corridor is now owned by the N.C. Wildlife Resources Commission (WRC)
has been closed and will not be used to provide access to to the new section of US 64-264 once
construction is complete. A letter from WRC is included with this permit application.
The access to the property on the northern side of the corridor is registered to Dare
County. Terry Wheeler, Dare County Manager has informed NCDOT that the County is in the
process of closing the access, however a definite date of closure is unavailable at this time.
Written confirmation of this closure will be forwarded as soon as it becomes available. NCDOT
is aware that this project will not be permitted unless this access is permanently closed. This
permit modification is being sent with the full understanding that the issue of closure will be
addressed, however this application is being sent to expedite the processing time.
Environmental Impacts
Jurisdictional Streams. An unnamed tributary to the Croatan Sound [DWQ Index No. 30-
20-(2), (8/1/90)], will be crossed by the driveway for the visitor center and rest area resulting in
145.5 linear ft of impacts. This is a perennial stream in the Pasquotank River Basin which
carries a Best Usage Classification of SA which are salt waters suitable for commercial,
shellfishing, and all other tidal saltwater uses by definition. No stream relocation or channel
change will be involved. There will also be 0.01 acres of fill in surface waters
Jurisdictional Wetlands. Project construction will result in 1.14 ac of permanent impacts
to a portion of a estuarine fringe forest. Dominant vegetation present in this community include
loblolly pine (Pinus taeda), red bay (Persea borbonia), wax myrtle (Myrica cerifera), red maple
(Acer rubrum), greenbrier (Smilax sp.), and American holly (Ilex opaca). Impacts consist of 0.82
acres of fill, 0.18 ac of isolated wetlands, and 0.15 acres due to mechanized clearing. Permit
drawings depicting this proposed work are attached.
Threatened And Endangered Species. The following species are listed as threatened,
endangered, or experimental for Dare County: A Biological Conclusion of No Effect has been
reached for each of the following species. Final concurrence from the U.S. Fish and Wildlife
Service was issued for each of these species on February 20, 2001.
• Red wolf(Canus rufus). Experimental.
• Loggerhead turtle (Caretta caretta). Threatened
• Piping plover(Charadrius melodus). Threatened
• Green sea turtle (Chelonia mydas). Threatened
• Leatherback turtle (Dermochelys coriacea). Endangered
• American alligator (Alligator mississippiensis). Threatened (S/A)
• Hawksbill sea turtle (Eretomochelys imbricata). Endangered
• Bald eagle (Haliaeetus leucocephalus). Threatened

• Kemp's ridley sea turtle (Lepidochelys kempii). Endangered
• West Indian manatee (Trichechus manatus). Endangered
• Red-cockaded woodpecker (Picoides borealis). Endangered
• Roseate tern(Sterna dougallii). Endangered
• Seabeach amaranth (Amaranthus pumilus). Threatened
Cultural Resources. No historic structures listed in or eligible for the National Register of
Historic Places are located within the project area. This determination was issued by the State
Historic Preservation Office (SHPO) and the Federal Highway Administration (FHWA) on May
10, 2000. There is one known archaeological site, 31DR76, within the proposed project. The
site was originally thought to have been eligible for the National Register. However, after
additional evaluation, SHPO found the site to be not eligible.
Mitigation Sequencing
Avoidance. The NCDOT is committed to incorporating all practicable design features to
avoid and minimize wetland impacts, and to provide full compensatory mitigation of the
remaining wetland impacts. During the design of this project,NCDOT has investigated several
alternatives for the location of the driveway entrance to the Visitor Center and Rest Area. The
Categorical Exclusion (CE) describes in detail why the current location was selected; however,
there have been some developments relating to this issue since the CE was signed.
The Army Corps of Engineers, the N.C. Division of Water Quality, and the N.C. Wildlife
Resource Commission all expressed their concern over the location of the driveway entrance and
the associated impacts to wetlands and the unnamed tributary to the Croatan Sound. Based on
these comments,NCDOT investigated moving the location of the driveway such that it would
avoid impacting these resources.
By moving the driveway entrance north of the proposed location, additional wetland
impacts would occur. NCDOT's proposed location places the entrance in a location that
minimizes impacts to the surrounding wetlands.
Moving the driveway entrance south of its proposed location was also investigated;
however, this alternative would compromise the safety of the traveling public along the US 64
Bypass as well as those exiting the Visitor Center. The minimum safe stopping/sight distance
listed in the Roadway Design Manual is 917 feet. From the end of the bridge rail on the US 64
Bypass, which is the farthest point south for which cars exiting the Visitor Center can see, to the
proposed driveway entrance, the sight distance is 967 feet. Therefore, the proposed entrance
location is situated such that it is approximately 50 feet greater than the minimum design limit
for safe stopping/sight distance as listed in the Roadway Design Manual. Moving the driveway
entrance 50 feet to the south,the point of minimum design safe stopping/sight distance, would
place the entrance directly on top of the unnamed tributary to the Croatan Sound and would;
therefore, dramatically increase the amount of linear stream impacts associated with this project.

Due to existing topography and design constraints it was determined that the driveway
entrance location could not be moved without additional wetland and stream impacts or
unacceptable compromises to driver safety.
Avoidance measures were taken during the planning phases of the CE; minimization
measures were incorporated as part of the project design. The avoidance measures will include:
1. Permanent closure of two existing access points along the portion of US 64-264
currently under construction.
2. No staging of construction equipment or storage of construction supplies will be
allowed in wetlands or near surface waters.
3. All wetland areas not affected by the project will be protected from unnecessary
encroachment.
Minimization. Minimization includes the examination of appropriate and practicable
steps to reduce the adverse impacts. Minimization techniques were implemented as follows:
1. Slopes: Fill slopes adjacent to the stream'crossing are at a 2:1 ratio as opposed to the
original designs of 3:1.
2. High quality water standards: Strict enforcement of sedimentation and erosion control
Best Management Practices (BMP) for the protection of surface waters and wetlands
will be enforced.
3. Reduced impacts to surface waters: Impacts to surface waters were reduced to 145.5
linear ft compared to approximately 600 linear ft for the original design.
Mitigation—Jurisdictional Wetlands. The project will impact 1.14 ac. of jurisdictional
wetlands. NCDOT proposes to offer 0.88 ac of onsite mitigation in the form of both restoration
and creation (0.11 ac., 0.77 ac. respectively). The attached Onsite Mitigation Plan for the
Roanoke Island Visitor Center/Rest Area provides detailed information pertaining to onsite
mitigation, but the plan is summarized in the following paragraph. NCDOT also proposes to
debit wetland mitigation sites for the remaining impacts, one of which is not in Dare County.
NCDOT is aware of Dare County's Land Use Plan and justification for debiting a site outside of
the county is explained later in this section.
Wetland compensation for the Visitor Center/Rest Area will be accomplished by
restoration, creation, and preservation (see Table 1). NCDOT plans to mitigate for 0.88 ac. of the
total wetland impacts through on-site restoration of 0.11 ac. (1:1) and creation of 0.77 ac. (1:1)
by removing fill from portions of the onsite borrow pit. These areas will then be vegetated with
species matching the estuarine fringe wetland community. NCDOT requests a 1:1 ratio for
creation due to the high probability of success for extending adjacent wetland boundaries. In

addition,NCDOT will preserve 1.1 ac. of estuarine fringe wetlands on the Visitor Center/Rest
Area property.
NCDOT plans to mitigate for the remaining 0.26 ac. of impacts offsite. NCDOT will
mitigate 0.26 ac. with 0.26 ac. of successful riverine wetland restoration (1:1) at the NCDOT
owned Dismal Swamp Mitigation Site in Gates and Perquimans Counties. A summary sheet
showing total debits to the site and coordinates for this debit are included with this permit
modification. NCDOT plans to mitigate for the remaining portion of the 0.26 ac. of impacts with
1.3 ac. of forested wetland preservation (5:1) at the Mashoes Road Mitigation Site in Dare
County.
Per conversations with resources agencies, no stream restoration will be required due to
impacts being less than 150 ft however, NCDOT will vegetate the portions of the stream banks
where vegetation has been removed do to a stream restoration project. The stream banks to be
vegetated are within NCDOT right-of-way and will include species matching the estuarine fringe
wetland community.
TABLE 1. Mitigation Credits and Debit Sources
Community Type Acreage Ratio Source
Estuarine Fringe Restoration 0.11 1:1 Visitor Center/Rest Area
Mitigation Site,Dare Co.
Estuarine Fringe Creation 0.77 1:1 Visitor Center/Rest Area
Mitigation Site, Dare Co.
Riverine Wetland Restoration 0.26 1:1 Dismal Swamp Mitigation Site,
Gates/Perquimans Counties
Forested Wetland Preservation 1.3 5:1 Mashoes Road Mitigation Site,.
Dare Co.
Estuarine Fringe Preservation 1.1 n/a Visitor Center/Rest Area
Mitigation Site, Dare Co.
Total 3.54
Dare County's Land Use Plan requires that "Mitigation activities and improvements
designed as compensation for wetland loss occurring in Dare County shall be located,whenever
possible, in Dare County and in proximity to the loss." Landmark Design Group (formerly
Langley and McDonald), conducted a wetland mitigation search for the Pasquotank River Basin
in September of 1998 under contract with NCDOT. Of the sites identified, only one (Mashoes
Road Site) included mitigation within Dare County matching the impacts associated with this
project. The Forested Wetland Restoration acreage at this site has been debited for other
NCDOT projects. Therefore,NCDOT proposes to debit 0.26 ac of wetland restoration outside of
Dare County.
The N.C. Coastal Resources Commission has adopted a 30 ft buffer for new development
along navigable waterways in the 20 counties governed by the N.C. Division of Coastal
Management. A portion of the fill material necessary for the Visitor Center/Rest Area will be
placed within 30 ft of the unnamed tributary to the Croatan Sound. NCDOT plans to remove

portions of the existing fill material that falls within the 30 ft buffer and replace it with new fill
material to create a more stable fill slope. However, this new fill material will not exceed the
footprint of the existing fill material and NCDOT has minimized where possible, the need to
place any fill material within the 30 ft buffer.
Also included with this permit modification is revised information for wetland
reforestation planting in wetland areas east of the new Croatan Sound bridge currently under
construction. At the request of the Roanoke Corridor Commission, indigenous wetland trees will
be planted from the toe of slope to existing vegetation and/or right-of-way line totaling 2.1 ac.
No additional fill, excavation, or clearing in jurisdictional wetlands will occur as a result of this
reforestation. The mix will planted at rate of approximately 680 trees/acre and include:
20%Pinus taeda, loblolly pine
20% Quercus virginiana, live oak (planted closest to the toe of slope)
20 % Taxodium distichum, bald cypress
20%Magnolia virginiana, sweetbay magnolia
20% Quercus nigra, water oak
It is anticipated these activities will be authorized by a modification to the existing U.S.
Army Corps of Engineers (Action ID No. 199502334). Checks in the amount of$100.00 are
enclosed to cover the CAMA processing fee and $475.00 for the NCDWQ processing fee. The
adjacent property owner has been notified of this permit request. A copy of the letter sent to the
property owner and the certified mail receipt are attached. The signed return receipt from this
property owner will be forwarded to you as soon as possible. The N.C. Stormwater Management
permit application is also attached as required by NCDWQ. By copy of this letter,NCDOT
requests a modification of the permits issued by N.C. Division of Coastal Management (CAMA
Permit No. 7-98) and N.C. Division of Water Quality (WQC Project No. 970856).
Thank you for your assistance. If you have any questions, please contact Mr. Chris
Rivenbark at [phone].
Sincerely,
k,,,, William Gilmore, P. E., Manager
Project Development and Environmental Analysis Branch

•
•
cc: Mr. Doug Huggett, DCM, Raleigh
Mr. Frank Jennings, DCM, Elizabeth City
Mr. Mike Bell, USACE, Washington
Mr. John Dorney, DWQ, Raleigh
Mr. Ron Sechler,NMFS, Beaufort
Mrs. Debbie Barbour, P.E., Roadway Design
Mr. Calvin Leggett, P.E., Program Development
Mr. Don Lee, Roadside Environmental
Mr. Len Hill, P.E., Highway Design
Mr. Dave Henderson, P.E., Hydraulics
Mr. Tim Roundtree, P.E., Structure Design
Mr. Bob Capehart, P.E., Division 1 Engineer
Mr. Craig Young, PD&EA

sTAD
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
February 28, 2001
NC Department of Environment and Natural Resources
Division of Water Quality— Stormwater Management
943 Washington Square Mall
Washington, NC 27889
Attention: Mr. Bill Moore
Subject: Dare County, Roanoke Island Visitor Center/Rest Area. NCDOT TIP K-4003.
Original Project TIP No. R-2551, Federal Aid Project No. NHF-64 (6), State
Project No. 8.T051401
As you are aware, the NC Department of Transportation (NCDOT) proposes to construct
a visitor information center and rest area on a 9.2 ac. parcel adjacent to US 64-264 between the
Croatan Sound and the US 64/NC 345 intersection, Dare County. The scope of work for this
project was documented as a Categorical Exclusion (CE) approved by the Federal Highway
Administration. In order to construct the project,NCDOT has applied to modify the following
permits: N.C. Division of Coastal Management CAMA Major Permit No. 7-98, U.S. Army
Corps of Engineers Action ID No. 199502334, and a N.C. Division of Water Quality (NCDWQ)
CWA Section 401 Water Quality Certification No. 970856.
A stormwater permit application form, permit application fee, and copies of the project
plans are enclosed. Please review this project for authorization by your section of NCDWQ.
If you have any questions regarding this project, please feel free to contact Mr. Chris
Rivenbark of NCDOT Project Development & Environmental Analysis Branch at 919-733-9513
or Mr. Max Price of NCDOT Hydraulics Unit at 919-250-4100.
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE: WWW.DOH.DOT.STATE.NC.US RALEIGH NC 27611
RALEIGH NC 27699-1548

• v
Sincerely,
ft C ' '(At
kpk.... William D. Gilmore, P.E., Manager
Project Development&Environmental Analysis Branch
cc: Mr. Dave Henderson,P.E., Hydraulics Unit,NCDOT
Mr. Craig Young, P.E., Project Planning Engineer, PD&EA, NCDOT
Files: K-4003, R-2551

OFFICE USE ONLY
'Date Reckived Fee Paid Permit Number
State of North Carolina
Department of Environment and Natural Resources .
• Division of Water Quality •
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
LINEAR ROADWAY PROJECT
This form may be photocopied for use as an original.
DWO Stormwater Management Plan Review:
A complete stormwater management plan submittal includes this applicatiai form, a supplement form for each BMP
proposed(see Section V), design calculations, and plans and specificatims showing all road and BMP details.
I. PROJECT INFORMATION
NCDOT Project Number: S .1 05 z S`o V.--4'30 3 County: b
T � i
ProjectName:.0 ik.`E .� ,t�+:� �isvr oR.rr\4-riot v>ra~FsL Q REST' kEA
Project Location: OS k1i4 - 2tol CA0A-rA SCA l o vS (p1 /N t 3 45'
Contact-Person: \W.ic.E , Q - Phonet S\ 2r - 4 o Fax: `���} Zi-o — 4 f ad
J Ni.t�>r�.F+� 'ra3.
Receiving Stream Name: Ciit...3% fag 4 a River Basin: J O A,J ss. Class:
Proposed linear feet of project:
Proposed Structural BMP and Road Station (attach a list of station and BMP type if more room is needed)
r1F1t,— N.AT►o? 3p<0
Type of proposed project: (check all that apply):
4New ❑Widening 02 lane* 04 lane* (Curb and Gutter ❑Bridge Replacement
❑Other(Describe)
*2 lane and 4 lane imply that roadside ditches are used unless Curb.and Gutter is also checked.
II. REQUIRED ITEMS CHECKLIST
Initial in the space provided below to indicate the following design requirements have been met and supporting
documentation is attached. Supporting documentation shall, at a minimum,consist of a brief narrati\e description
including(t) the scope of the project, (2) how the items below are met, (3) how the proposed best management practices
minimize water quality impacts, and (4) anysignificant constraints and/or justification for not meeting a, b,c and d to the
maximum extent practicable.
Designer's Initials
1 \SS? a. The amount of impervious surface has been minimized as much as possible.
Nu _b. The runoff from the impervious areas has been di\cited away from surface waters as much as possible.
D c. Best i\lau:igetnent Practices ace enployed which minimize water quality impacts
— � —li, euct.tll'tl roadside ditches are ?:I sl,pc or tatter.
•
S\\ t'..It is ii.,.lJ'' t •' t

III OPERATION AND MAINTENANCE AGREEMENT
I acknowledge and agree by my initials below that the North Carolina Department of Transportation is responsible for the
implementation of the four maintenance items listed. I agree to notify DWQ of any operational problems with the BMP's
that would impact water quality or prior to making any changes to the system or responsible party.
•
Ma' tenance Engineer's Initials •
a. BMP's shall be inspected and maintained in good working order.
b. Eroded areas shall be repaired and reseeded as needed.
c. Stormwater collection systems, including piping, inlets, and outlets, shall be maintained to insure proper
functioning.
Maintenance Engineer's Name: ,) `/ D• ._)6-W1 rC
Title: pi J�S`UlJ C(r 6_Q,'.J%c
IV. APPLICATION CERTIFICATION
I, (print or type name) of Branch,
certify that the information included on this permit application form is, to the best of my knowledge, correct and that the
project will be constructed in conformance with the approved plans and that the proposed project complies with the
requirements of 15A NCAC 2H .1000.
Title:
Address:
Signature: Date:
V. SUPPLEMENT FORMS
The applicable state stcrmwater management permit supplement form(s) listed below must be submitted for each BMP
specified for this project. Contact the Stormwater and General Permits Unit at [phone] for the status and
1 availability of these forms.
i
Form SWU-IO2 Wet Detention Basin Supplement
Form SWU-103 Infiltration Basin Supplement
Form SWU-104 Low Density Supplement
Form SWU-105 Curb Outlet System Supplement
Form SWU-106 Off-Site System Supplement
Form SWU-107 Underground Infiltration Trench Supplement
Form SWU-l0S Neuse River Basin Supplement
Form SWU-109 Innovative Best Management Practice Supplement
Form SWU-1 10 Extended Dry Detention Basin Supplement
11 l l�; ,

Permit No.
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name : tk.a. St.�aO V 1s%73tZ. ?IV'oVt..mA—r iDr) e r NQe.n
Contact Person: 1\1\Ax .QQ�c,tr .. Phone Number: (\'k ) 2.S o — 41 3 o
This worksheet applies to: Basin No. in Drainage Area
(as identified on plans) (from Form SWU-l0i)
II. DESIGN INFORMATION -Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable source
of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type kD�Sia r o Sot. C,tiAsst ‘cikr3) A -2-4 C.,taks1- �Fa�
Infiltration Rate () (a)or)or cf/hr/sf (circle appropriate units)
SHWT Elevation 2 ± fmsl (Seasonal High Water Table elevation)
Basin Design Parameters
Design Storm << c inch (1.5 inch event for SA waters,1 inch event for others)
Design Volume
Drawdown Time - I days
Basin Dimensions
Basin Size 243 ft. x t S3 ft. _ 3 , i 3 0 sq. ft. (bottom dimensions)
Basin Volume Provided SST c.f.
Basin Elevations
Bottom Elevation 4, q Z fmsl
Storage Elevation (•Z2. fmsl
Top Elevation 0 .3.0 nfmsl
• Z Z Q n,t
Form SWU-103 Rev 3.99 Page 1 of 3

III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
�SQ a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
N\54 c. Bottom of system is at least 2 feet above the seasonal high water table.
t`n42 d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
(hSs e. System is not sited on or in fill material or DWQ approval has been obtained.
X\So f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
( 'SP g. Drainage area for the device is less than 5 acres. (C.
N\CI h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
N\ i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall(1.5 inch event for
areas draining to SA waters). Design volume and infiltration calculations attached.
1\1\S 1 j. System is sized to take into account the runoff at the ultimate built-out potential from all
, surfaces draining to the system, including any off-site drainage. Calculations attached.
`� z, k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
1. A pretreatment device such as a catch basin,grease trap, filter strip,grassed swale or
sediment trap is provided.
N\S G m. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
dense vegetative cover is provided.
,O n. Vegetated filter is provided for overflow and detail is shown on plans(Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
o. Flow distribution mechanism within the basin is provided.
ii\‘9 p. A benchmark is provided to determine the sediment accumulation in the pretreatment device.
tIV-J( q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
I\4\S r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw-down calculations are attached.
�Se s. Plans ensure that the installed system will meet design specifications (constructed or
restored)upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 3.99 Page 2 of 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion,
trash accumulation,vegetative cover,and general condition.
2. Repair eroded areas immediately,re-seed as necessary to maintain adequate vegetative cover,mow
vegetated cover to maintain a maximum height of six inches,and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration. Remove any blockage and repair the structure to approved design
specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth
in the pretreatment unit is reduced to 75%of the original design depth. The system shall be restored to the
original design depth without over-excavating. Over-excavating may cause the required water table
separation to be reduced and may compromise the ability of the system to perform as designed. Removed
sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will
adversely impact water quality(i.e. stockpiling near a stormwater treatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original
design depth so that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
When the design depth reads 0 P 1 feet in the pretreatment unit,the sediment shall be
removed from both the pretreatment unit and the infiltration basin.
5. If the Division determines that the system is failing,the system will immediately be repaired to original
design specifications. If the system cannot be repaired to perform its design function,other stormwater
control devices as allowed by NCAC 2H .1000 must be designed,approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party.
Print Name and Title: J ---1 ' )Ei-S1-!,t r-'G c 7 1J`Sty 4 `�J t •
Address: ( o {)- O)C eb So e-ocy-L--CUI-'A L 27 9S2-
Phone: C252) 2--7err? Date: Z-` 5 01
Signature:
Note: The legally responsible party should not be a omeowners association unless more than 50%of the lots have been sold and a
resident of the subdivision has been named the president.
I, ,a Notary Public for the State of ,County of
,do hereby certify that personally appeared before me this_
day of , ,and acknowledge the due execution of the forgoing infiltration basin maintenance requirements.
Witness my hand and official seal,
SEAL My commission expires
Form SWU-103 Rev 3.99 Page 3 of 3

.nee D 1� ��
:..) ��,,,
.� .�,.
}�,� 1 0 e�00
DIVIP!n v nr HIGH
STATE OF NORTH CAROLINA HYDRAULICS HWAys
DEPARTMENT OF TRANSPORTATION
JAMES B. HUNT JR. P.O. BOX 25201,RALEIGH,N.C. 27611-5201 DAVID Mc COY
GOVERNOR SECRETARY
•
July 31, 2000
•
STATE PROJECT: 8.1052501 K-4003
FEDERAL PROJECT: NHS-64(57)
COUNTY: Dare
DESCRIPTION: Roanoke Island/Visitors Information Center/Rest Area on
• US 64/264
MEMORANDUM TO: Mr. W. L. Moore, III, LG, PE, State Transportation Engineering
Geologist
FROM: E. A. Witort,ga portation Engineering Geologist III
SUBJECT: Percolation Tests for Infiltration Basins
Percolation Tests were requested by the Hydraulics Unit for two proposed infiltration basins
located adjacent to the existing retention pond at the proposed Visitor Information Center/Rest
Area.
The infiltration basins are located as follows:
Site No. I is located approximately 100 meters right of-L- Rev. station 124+00. The site is
located in a marshy area with water standing at or slightly above the ground surface. After
notifying the Hydraulics Unit of this condition, a percolation test was not attempted at this site.
Site No. 2 is located right of-L- Rev. station 125+20 to 125+80±. The percolation test was
conducted 30 meters right of-L- Rev. station 125+40. Ground elevation is 5.2 fmsl. Estimated
AASHTO Soil Classification is A-2-4, fine to coarse sand. Estimated seasonal high water table
elevation is 2± fmsl.
The percolation test site was prepared as follows:
Hole depth = 44"
Hole diameter= 4"
2" gravel placed at bottom of hole
Hole filled with water to within 30" of ground surface

-2-
Test Results
Min. Depth to Water from Ground Surface
0 30"
10 32„
20 33"
30 34"
40 34.5"
50 35"
60 36"
In sandy soils the drop that occurs during the final 10 min. is used to calculate the percolation
rate:
Calculation:
P =r2—r,
T
Where P = Percolation Rate
T=Time in min.
r2 = Water depth at 60 min.
r, = Water depth at 50 min.
P = 36 - 35 = 1"/ 10 min.
10
P = 6"/hr.
If we can provide additional assistance, please let us know.
WLM:EAW:ts
cc: Mr. Bill Elam, Hydraulics Unit

I , L-pU I H
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_ _ I. a ��
R— 255/ —L?EV— US 1 64/264
R-255I MECHANIZED CLEARING LIMIT
_ a
SPILLWAY
Stormwater Management
x x I ratign i ce ,� >< c x x x
— II' InfiI8'09'E 2.597 EIP Dev
TO R/W 'Ac1 WOVEN WIRE FENCEX x x 4
CL 'B' RIP RAP
ROCK SILT c_
�— SCREEN k
CL •'B' RIP RAP '''''
/1;,
:,...,.....\'
---..i /
•
• CB 01
s
° • ` 40 CB N. C.D. O. T.
9°` DIVISION OF HIGHWAYS
5m 0 Om \ B G".".--,7 DARE COUNTY
SCALE ROANOKE ISLAND VISITOR
C B • I INFORMATION CENTER
AND
A �1��� DENOTES ISOLATED WETLANDS CB RESTS AREA 64-264 ON
4GI STATE PROJECT#8,I052S01 K-4003
\ \ N SHEET 7 OF 12

PROJECT REFERENCE NO. SHEET NO.
sir, TRI', K-9oo3 4
R/W SHEET NO.
ROADWAY DESIGN HYDRAUUCS
ENGINEER ENGINEER
ENGLISH izal
CONST.REV.
R/W REV.
INFILTRATION BASIN
Clean Sand Layer
Avg.LlCptn 9 IncMs Top of Embankment
Rock Slit Screen EJ 820 1J
EI.= 5.9' 24'RCP 3 fJ T
Storage Elem. EJ.722 Il
i--
6.22Saihroi
— fJ - -
9 3:y
Nor TO SCALE
Proposed 3d INFILTRATION BASIN Clean Sond Layer
a n 4 Inches
Basin Slope Rock Slit Screen g 0eF►
a., 53
Bolin Bottom
24" RCP El.492 ft -�_
Existing R2551A
3d Slope - .
M7T TO SCALE _
I i I
—�{ I 1 4/J
INFLOW fl TO BASIN
24"RCP I 24"RCP
SPECIAL DESIGN CB — ____).._
STATION 11+87 -L- '
I '
Wier
I ; I EL622 ft
t I C ' i +
' '
Ivor ro SCALE m ' H A BASIN
BYPASS
E'
gl

•
Stormwater Management Plan
Roanoke Island Visitor Information Center&Rest Area
State Project 8.1052501 K-4003
Dare County
Site Characteristics:
Type of Project: High Density
Receiving Stream Name: Unnamed Tributary to Croatan Sound
Receiving Stream Classification: SA
River Basin: Pasquotank
Total Project Area: 7.7 acres
Project Built Upon Area: 37%
The proposed project site consist of two drainage areas.(see attached plan view).
The runoff from drainage area one is collected in a curb and gutter system and
directed to an infiltration basin. The basin is located entirely in Division of Highway right of
way.The infiltration basin supplement, supporting calculations,documentation and plans are
included. Division Maintenance Forces will regularly maintain the infiltration basin.
The runoff from drainage area two is sheet flow across grassed fill slopes and wetland buffers.
DRAINAGE AREA 1 DRAINAGE AREA 2
Drainage Area: 5.09 acres Drainage Area: 2.62 acres
Impervious Area: 2.57 acres Impervious Area: 0.3 acres
%Impervious: 50% %Impervious: 11 %
On-site buildings: 0.31 acres On-site streets: 0.3 acres
•
On-site streets: 1.24 acres
On-site parking: 0.88 acres
On-site sidewalks: 0.14 acres
Total 2.57 acres 0.3 acres
Additional Best Management Practices to be implemented:
• Avoid ditching and channelization through wetlands.
• Temporary erosion control plan sheets will be included in the construction plans.
• Erosion and sedimentation control measures,structures, and devices within High Quality
water zones shall be designed to provide protection from the runoff of the 25 year frequency
storm
• Sediment basins within High Quality water zones shall be designed to have a settling
efficiency of at least 70% for the 40 micron size soil particle transported into the basin by the
runoff of the two year frequency storm.
• The angle for graded slopes and fills shall be no greater than the angle which can be retained
by vegetative cover.
• Maintain a vegetated buffer or berm between project embankment and the existing stream.
• Set the alignment and invert of culverts to conform with the natural stream.

•
• 4/ PROJECT REFERENCE N;). SHEET NO.
s • REVISIONS PI Sto 10+23.140 PI Sto /0+48569 PI Sto 10+90.987 k
6 A= T/8'S7l(LT) A= 94'37'435-(LT) 0= 85'22'18.6'(LT) r/I1 TRI ,,/ R/W SHEET NO.
L = P29 3 L = 132/3 L = 11.920 ROADWAY DESIGN HYDRAULICS
T = 11507 T = 8.674 T = 7.379 ENGINEER ENGINEER
R = 180.000 R = 8.000 R = 8.000
-n- -Y2-
PI Sto 11+06.886 Pi Sto /0+33581
A= T/6'545"(RT) A= Tl8'56.8'(LT)
L = 170c57 L = 20.02/ CONST.REV.
R = 833 4600 R 24
= l56 R/W REV.
POT STA IO4-OO.000 -L- _
POTSta.lO+O0000 -Y2- = POT Sto./26+97.6/2 -LREV-
POTSta.12+/2680 -L- STA10+09.000 -L- BEGIN STATE PROJECT K-4003
BEGIN CONSTRUCTION
POT STA/26+00J87 -LREV-
a
POTSta.IO+00.000 -Ike♦♦♦ ♦♦♦♦♦.�•♦♦♦♦ ♦ \ = 45Am0(Ya _ i\ii
PTSto.l2+82784 -L- POTSta.12+7672/grw��♦��� �s�;k,t.f. ,►♦.♦♦♦ tini Stoll+47954 -L- .
PCSto.l2+557�►Q�� �u►_:1i_fL�.•Ta'.!�:%J/t.-���i-f►Q �'
PCSto.12+89.957 -L- ♦.�41�. _ ���►���C ~' B: -L- salRwAr1:
�I' �1�/
PCSto.10+28964 -Y3- + 1 'v�Q� �ry�n-��♦�♦��w♦�♦�♦������ /` f' o. t w.. y. 4,:e `� F
♦ 7:41# -4 . '.►♦/ � ,I^� �, L�y7:�`A `ICI. 44 CL B'-- RAP •..0 RHN /',,::
` , +,��_'! =-+� !��il►�������h►��♦.♦,.♦!�♦♦ .; III► 7 , • ".5.41/•••'8‘_34. r FI�►�� -csra.lo+29;.9 -L-
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' 40, lir r
. c 1 [► ► + '��'♦♦►' ►4:10.%'4�R' �l♦'•�'%:�♦I�♦� •I// � �/ �♦♦-.i/.�� `�/ICI♦ ♦♦♦�,... ..- a :or
'' ti 1 ' 00
•
-Y3- Apit'\ 3\''rt��A#4\',♦♦♦♦♦♦♦♦♦♦♦♦♦ t4,4417-\y♦46,• ♦��♦♦����♦ �♦♦ %%�� �♦ I:
PI Sto 10+93 \���`�1��'������♦♦♦♦♦♦♦♦11♦7`�•I//�//��♦��C��/����♦♦� �/�� ♦ ♦,♦e sTStc./. 15.628 -L- = PTSto.l0+67202 -L-
+> - .. ♦ ♦" .��♦♦ �i �1�� ,♦ POC St•.1/+26202 -L-
= 6 2 ( ) ♦�����\�� �R♦♦♦j♦♦♦j♦j♦♦♦♦♦j►��������♦������1�A,/' .��� ,� �vi,♦��� �i!��.I�♦41, PCSto./0+96.688 -L-
, 1V7� , �N4,4. ��.A�_�& ' ' :♦ �e L`�kli��t�,c.., .r�'•.•.i�� �J�. PT to./5+91J74 -L-
PTSAo.l0+90.749 -Y i �' �'�i���j � :w�♦•♦�'�• O�''�' ; �!�- /'�`\i
��"�-♦‘\ • ��'��-,���i`1�� f 'V* • STA.15+99799 -L- END STATE PROJECT K-4003
PCSto/3+48 393 -L- !��! �� : ����� ���/��i i '�i`a` I
•
POTSto.1/+I1593 -Y3- = 1i I , ,♦ t �'.� �i�z-4/ww�♦3' . \�.1. ,t'/ P
POTSto.I3+62748 -L- • `0I����t��,♦♦► ��♦`��ti♦!�`�A. ♦i1♦♦�♦j�1♦♦♦♦♦Cv�►a♦�12) 4,c1';/*' 1PCsra./5+18.067 -L-
•
PTSta.l3+763/9 -L- F I'I�♦- -♦♦ '1` 44/22 �•��.♦♦♦��`�• .,$"•# *.� ' 0.10+98.346 -Y1-
\. il►�i,\ ♦♦♦♦♦♦♦♦♦``♦�♦4fe. ♦♦♦♦♦♦.eh, �•r�•i �, :•,.10+95528 -YI-
O -L-
%:��♦♦♦♦♦♦♦'♦♦�`, ♦�►♦v 4' I PI Sto l +54.484 PI Sto 11+17.987
PCSro.13+98275 -L I ‘�`�-IL.- ♦♦♦♦♦♦♦♦♦�.4♦♦♦r♦C�,+♦�fr.♦♦4,1.1I,I • LL = 37.633511(AT) = 42.09'8 3-(LT) ��`!,��` DENOTES DRAINAGE AREA I
�,'• �♦♦♦♦♦♦♦•�♦♦♦♦♦�♦w•��►� I,♦4', / , R = 24.915
R =
• ,��♦♦,•♦♦♦�♦♦♦♦♦,♦•���I�♦♦•�/r 1 PI Ste 11+97.413 PI Sto /2+69583
��♦♦�����♦ �,� ♦yl�� I %�� A= 22 22'53.3'(RT 1 A= 3P02�09.0'(LT) [ / // DENOTES DRAINAGE AREA 2
♦ _,.. '`,►��j�'��•,1 PTSto. �+'79.386 -L- L = 97.658 L = 27.084
4!.♦�. r►=�.�:����I♦•♦•�I� , T = 49.459 T = I3B83
,�����♦♦��'♦♦♦j640 R = 250000 R = 50000
�\�'�♦♦ ��������� •♦ PI Sto /3+27.359 PI Sto 13+62379
= 102 32'00 3 (LT) A= 8 0o OOA'fRTI
` /if- #
5
4 • T = 37.402 T7.925
=2�.000
,4 PI Sto 14+73908 PI Sto /5+55.6/5
0= 129'05'35.1'(LT) p= 32'13'16J-(RT)
♦ L = 81.112 L = 73.107
i - . m Ir. -
T = 75.634 T = 37549
♦ R = 36.000 R = 'JOA 0
gs

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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
February 7, 2001
COUNTY: Dare
STATE PROJECT: 8.1052501
F. A. NUMBER: NHS-64(57)
I. D. NUMBER: K-4003
DESCRIPTION: Roanoke Island/Visitor's Information Center/Rest Area
on US 64/264
MEMORANDUM TO: Jim West
State Right of Way Negotiator
FROM: Betty C. Yancey07
Senior Right of Way Agent
SUBJECT: Plan Revision—Parcel No. 012
North Carolina Wildlife Resources Commission
(Formerly Collins Family Limited Partnership)
Please find attached plan revisions for the subject claim. These revisions consist of
deleting the access points between Survey Station 129+60 and 129+78.29, Survey
Line -L- Rev. and changing the name of the property owners.
BCY/hw
Attachment
MAILING ADDRESS: T=_LE?HoNE: 919-733-7694 LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
• RIGHT OF WAY 1 SOUTH WILMINGTON STREET
1546 MAIL SERVICE CENTER WEBSITE: WWW.DOH.DOT.STATE.NC.US RALEIGH NC
RALEIGH NC 27699-1546

NORTH CAROLINA
DARE COUNTY
STATE PROJECT 6.059005T
RELEASE AND CONVEYANCE OF ABUTTERS' RIGHTS OF ACCESS
r
This Release made and entered into this the id
day ofg , 2001, by and between
the North Carolina Department of Transportation, an agency of the State of North Carolina.
hereinafter referred to as "DOT". GRANTEE. and North Carolina Wildlife Resources
Commission of Dare County hereinafter referred to as "Wildlife", GRANTOR;
WITNESSETH:
THAT WHEREAS, on July 27, 1998 by the filing of a civil action against Collins Family
Partnership in Superior Court of Dare County, North Carolina, (98-CVS-426), the "DOT"
acquired certain right of way and other interest or areas as set forth therein, including, partial
control of access with access to the Collins' remainder property being allowed only at certain
access points as shown on the Project Plans for Project No. 6.059005T, TIP No. R-2551A,
Parcel No. 012.
THAT THEREAFTER, an agreement was entered into between"Collins", as owner of the
remainder of Parcel No. 012, Project No. 6.059005T, and "Wildlife" wherein "Collins" agreed to
convey to "Wildlife" a portion of their remainder of Parcel No. 012 and that there would be no
access to the highway constructed on the right of way except between Survey Stations 129 + 60
and 129 + 78.29 right of Survey Line—L- Rev. as said stations appeared on the aforementioned
project plans;
4

AND WHEREAS, DOT and "Wildlife" have mutually agreed to permanently close the access
points lying to the right of and between Survey Stations 129 + 60 and 129 ± 78.29 Survey Line
-L- Rev.,
NOW. THEREFORE, for a valuable consideration, the receipt and sufficiency of which is
acknowledged by the parties hereto, "Wildlife" as owner of the remainder of Parcel No. 012,
Project No. 6.059005T, TIP No. R-2551A, give, grant. convey and release unto "DOT" all right,
title and interest in and to their abutters' access rights to the highway between Survey Stations
129 + 60 and 129 + 78.29 right of Survey Line -L- Rev.. Project No. 6.059005T, TIP No.
R-2551 A.
IN TESTIMONY WHEREOF, we have hereunto set our hands and affixed our seals this
fU
day of h •M. 2001.
G41m d . 60, ti f vo (Seal)
Richard Hamilton, Assistant Director
N.C. Wildlife Resources Commission
N.C. kRTMENTOF TRRANSPORTATION
•
John B. Williamson. Manager
Right of Way Branch

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Re:Roapoke Island Visitor Center
r
Subject: Re: Roanoke Island Visitor Center
Date: Tue, 09 Jan 2001 11:16:07 -0500
From: Cathy Brittingham<[e-mail]>
Organization: NC DENR DCM
To: Chris Rivenbark<[e-mail]>
CC: Gordon Cashin <[e-mail]>,
Frank Jennings <[e-mail]>,
Doug Huggett<[e-mail]>, Craig Deal <Craig.Deal @ncmail.net>,
Charles S Jones <[e-mail]>
Chris,
Thank you for your e-mail about DOT's proposal to construct the Roanoke Island Visitor Center. I would
like to respond to several issues that you raised in your e-mail:
• In order to allow adequate time for review, while still meeting the June 19th let date and the May 1st
review date, it is very important that DOT submit the CAMA minor modification request as soon as
there is a final design and a final mitigation plan that are not anticipated to change based on any
ongoing conversations DOT may be having with the U.S. Army Corps of Engineers. DCM does not
have the same requirements as USACOE regarding closure of access points.
• As you are aware, the Dare County Land Use Plan contains a policy [p. 60. Policy 2.1.2 (h-1)] that
requires that "Mitigation activities and improvements designed as compensation for wetland loss
occurring in Dare County shall be located, whenever possible, in Dare County and in proximity to
the loss." It should be noted that Dare County policy Policy 2.1.2 (h-1) does not absolutely preclude
out-of-county mitigation. However, prior to authorizing any out-of-county mitigation site, a permit
applicant must prove to DCM's satisfaction that no reasonable mitigation site or sites exist within
Dare County. The mitigation proposal associated with the minor modification request should
include an explanation of the attempts DOT made to locate mitigation within Dare County, and a
justification for why a portion of the mitigation is being proposed outside of Dare County.
• In addition to our normal mitigation proposal review, we will also need to consider the recent
violation of a permit for dredging disposal activities that occurred at the proposed location for the
Roanoke Island Visitor Center. The permittee was required to complete a restoration plan for the
high-quality waters and wetlands impacted by the permit violation. We will need to ensure during
our review that DOT's mitigation proposal for on-site mitigation does not in any way duplicate
restoration work that was required through the restoration plan. Additional supporting
documentation may be required for a complete review.
• DCM will review DOT's proposal to construct the Roanoke Island Visitor Center as a minor
modification request to CAMA major permit No. 7-98. Effective as of August 1, 2000, the fee for a
CAMA permit minor modification request is $100.00. The minor modification request should be
submitted with a check for$100.00 to Frank Jennings,Field Representative in the DCM Elizabeth
City District. I strongly recommend that you contact Frank before submitting the minor
modification request, to confirm what information will be required during the review process.
Please contact me via telephone or e-mail if you would like to discuss this further.
Cathy
1 of 2 1/9/01 11:16 AM

Re:Roanoke Island Visitor Center
Chris Rivenbark wrote:
TIP K-4003
Roanoke Island Visitor Center/Rest Area
Dare County
Cathy,
We are waiting on the closure of two access points as Mike Bell
had requested before submitting the permit application. As of
the latest drawings I have, permanent wetland impacts are 1.28
ac, and stream impacts are 145.5 ft. Currently we are planning
to do onsite wetland restoration for 0.76 ac,then mitigate for
the remaining 0.52 ac with 2.6 acres of preservation (5:1) at
Mashoes Rd in Dare County and 0.52 ac of restoration (1:1) at the
NCDOT owned Dismal Swamp Mitigation Site in Gates and Perquimans
Counties
Is there anything I can send you that would help in the permit
review?Also, what fee do we send in with a permit modification
package? Would this be considered a Minor modification to a
Major Permit($100) or Major modification to a Major Permit which
could be $250, $400, or$475 according to the DCM web page.
Chris Rivenbark
Natural Systems Specialist
NC Department of Transportation
[phone]
Cathy Brittingham
Transportation Project Coordinator
NC Division of Coastal Management
1638 Mail Service Center
Raleigh,NC 27699-1638
[phone] X238 phone
[phone] FAX
2 of 2 1/9/01 11:16 AM

r,
-5! z
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
JAMES B.HUNT JR. DAVID MCCOY
GOVERNOR SECRETARY
November 16, 2000
Interagency Meeting
Roanoke Island Visitor Information Center and Rest Area
On US 64-264 between the Croatan Sound E�E V E D
and the US 64-NC 345 intersection
Dare County
F. A. Project No.NHS 64 (27) NOV 1 4 2000
State Project No. 8.1052501
T. I. P.No. K-4003 COASTAL MANAGEMENT
Purpose of the Meeting
NCDOT proposes to construct a new Visitor Center and Rest Area along the
proposed US 64-264 Manteo Bypass on Roanoke Island. The project is not being carried
through the NEPA/404 Merger process; therefore, no concurrence is being requested.
The project will; however, impact wetlands and a stream and will require permits. It is
the intent of the meeting to review the proposed project with those agencies with issuing
permits and to address any potential issues that could be encountered in the permitting
process.
General Description of the Project
The proposed Visitor Information Center and Rest Area would be constructed on
the south side of the proposed US 64-264 Manteo Bypass,currently being constructed.
The proposed site for the visitor center is currently being used as a dredged spoil site by a
private dredging operation. The proposed visitor center will contain two facility
structures and vehicle parking for both cars and trucks. The entrance to the proposed site
would be located directly across the US 64-264 Bypass from a court appointed access
point on the north side of the proposed roadway. The proposed visitor center will require
the acquisition of approximately 6.5 acres of additional right of way;however,the site
will be entirely contained within the control of access for the US 64-264 Bypass project.
It is anticipated that approximately 0.48 acres of wetlands and 140 linear feet of streams
will be impacted by the proposed project.
Purpose and Need of the Project
The visitor center and rest area proposed by this project includes constructing a
roadside facility along the new alignment of US 64-264, currently under construction as
part of T.I.P. Project R-2551. The center would serve to enhance highway safety by
providing highway travelers with a conveniently located rest area that will allow for short
breaks from traveling. Also,this project will encompass a visitor information center that
will provide information about the historical background and the surrounding natural
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS FAX: [phone] TRANSPORTATION BUILDING
1548 MAIL SERVICE CENTER 1 SOUTH WILMINGTON STREET
RALEIGH NC 27699-1548 WEBSITE: WWW.DOH.DOT.STATE.NC.US RALEIGH,NC

environment of Roanoke Island and the Outer Banks, and will help to promote North
Carolina tourism.
Existing Conditions
US 64-264 is the major thoroughfare through the town of Manteo, located
on Roanoke Island. US 64-264 departs the mainland of North Carolina just north
of Manns Harbor, crosses the Croatan Sound via the Umstead Bridge, and enters
Roanoke Island at its northern tip. Once on Roanoke Island,US 64-264 continues
south through large areas of mostly commercial development and then turns east
towards the Outer Banks at its intersection with NC 345.
There is an existing rest area, the Roanoke Island Visitor Center and Rest
Area at Fort Raleigh, along US 64-264 located at the northern end of Roanoke
Island,just east of the Umstead Bridge. Located on the south side of US 64-264,
this rest area allows for eastbound traffic to turn right into the rest area instead of
having to turn left across oncoming traffic. This site placement provides the
safest means of entry for the direction of the predominant traffic flow,the
eastbound traffic heading to Manteo and the Outer Banks.
Transportation Improvement Project R-2551, currently under construction,
will widen existing US 64-264 to a multi-lane facility and construct new bridges
across the Croatan Sound and Spencer Creek. The project will improve traffic
flow and enhance safety,especially during emergency hurricane evacuations
occurring during the peak tourist season. T.I.P. Project R-2551 begins at the
intersection of US 64 and US 264 west of Maims Harbor and ends at the
intersection of US 64-264 with NC 345 southeast of Manteo. US 64-264 will be
resigned and directed over the new bridge over the Croatan Sound. The existing
Umstead Bridge will remain in place,but will no longer be a part of the US 64-
264 corridor once T.I.P. Project R-2551 is completed.
In addition to the existing visitor center and rest area located on the
northern end of Roanoke Island,there are three existing visitor centers located in
close proximity to Roanoke Island. The Aycock Brown Visitor Center and Rest
Area, located north of Roanoke Island on the Outer Banks in Kitty Hawk serves
all tourist traffic entering the Outer Banks from points north of Roanoke Island,
mainly northeastern North Carolina and Virginia. South of Kitty Hawk is the
Nags Head Visitor Center, located at Whalebone Junction. This visitor center is
located on National Park Service property and is federally owned; however,the
Dare County Tourist Bureau staffs the visitor center during the summer months.
The Roanoke Island Visitor Center at Manteo is located in the heart of Manteo
and serves as the headquarters for the Dare County Tourist Bureau which oversees
the operations of all the visitor centers on the Outer Banks. With the construction
of the proposed project,the Nags Head Visitor Center,the Roanoke Island Visitor
Center and Rest Area at Fort Raleigh, and the Roanoke Island Visitor Center at
Manteo would be consolidated into the new Roanoke Island Visitor Center and
Rest Area proposed by the subject project. The headquarters for the Dare County
Tourist Bureau would then relocate to this new visitor center. By consolidating
the existing visitor centers,there would be a visitor center and rest area located at
two major highway access points to the Outer Banks,the Aycock Brown Visitor
Center at the northern access and the proposed Roanoke Island Visitor Center and
Rest Area at the western access.
Measures Taken to Avoid or Minimize Environmental Impacts

Avoidance
Wetland delineations, conducted during the environmental surveys for the
US 64-264 Manteo Bypass, determined that much of the area in the vicinity of the
project was considered to be a wetland, except for a small upland pocket situated
to the south of, and adjacent to,the US 64-264 Bypass corridor. This site
appeared to be the most desirable location for the placement of the proposed
visitor center and rest area due to its avoidance of impacts to wetlands and
streams. However, constructing the proposed visitor center and rest area at this
upland location will not completely avoid impacts to wetlands and streams.
Therefore,the following avoidance measures were investigated.
Bridging Alternative
The majority of the wetland impacts associated with this project
would result from the construction of the driveway entrance. A small
wetland pocket is currently situated between the existing unnamed
tributary to the Croatan Sound,the US 64-264 Bypass corridor, and the
proposed visitor center and rest area site. Because of the design
constraints,the driveway entrance will pass through the southern most
portion of this wetland. During the preliminary design phase,NCDOT
studied a bridging alternative for the driveway entrance. It was estimated
that the construction of a bridge, from high ground to high ground, would
cost approximately $1,400,000. It is NCDOT's opinion that the bridging
alternative, in comparison to the overall cost of the project and the amount
of impacted wetlands that would result, was not a feasible alternative. For
this reason, this alternative was dropped from further consideration.
Driveway Location Alternative
NCDOT originally planned to locate the driveway west of the
unnamed tributary to the Croatan Sound in order to avoid impacting the
stream. Preliminary plans were to move the existing access point, located
to the north of the US 64-264 Bypass corridor,west such that it aligned
with the proposed driveway entrance to the visitor center and rest area.
During this time period, it was discovered that the location of the northern
access point was set by a court case involving a property dispute during
the right of way acquisition phase of the US 64-264 Bypass project,
thereby making the movement of this northern access point impossible. It
was also determined that locating the driveway access close to the bridge
would result in a sight distance problem for driver's exiting the visitor
center and rest area, due to the final grades of the driveway and the US 64-
264 Bypass. The driveway entrance was then shifted to the east so that it
was aligned opposite the court negotiated northern access point along the
US 64-264 Bypass.
NCDOT originally investigated placing the entrance to the visitor
center and rest area just west of this northern access point; however, it was
determined during the design phase that the required finish grades along
US 64-264 would create a sight distance conflict for traffic exiting the
visitor center onto US 64-264. Because the finish grade of the roadway
would be considerably higher than the driveway exiting the proposed site,
a driver's field of vision towards the west would be severely limited due to
their position being lower than the roadway they were wishing to enter.

Offset intersections have statistically higher accident rates than
four-legged intersections. This is due in part to the fact that each new
access along a facility adds an additional conflict point for the facility.
The more conflict points a facility has,the higher the accident rates
typically are. In this particular situation,with the major flow of traffic
coming from the west, and with the possibility of future development on
the north side of US 64-264, the northern access point has the potential to
generate a significant amount of traffic. This being the case,with an offset
intersection, eastbound traffic turning left into the future municipal
complex would use the center turn lane of the five-lane section as storage.
Westbound traffic trying to enter the visitor center and rest area would
then be in direct conflict with the eastbound vehicles waiting to turn left.
With the possible development of the municipal complex,there is a strong
possibility that the northern access intersection with US 64-264 would be
signalized once the development was complete. Having an offset
intersection in close proximity to a signalized intersection is also an
undesirable design in regards to traffic flow and operation of the
intersection,as well as safety
This location eliminated the sight distance problem associated with
the original location. It also provided for a four-legged intersection,
thereby eliminating an offset intersection that would have created an
overlapping left turn situation for travelers along the US 64-264 Bypass.
For these reasons,the driveway entrance was located east of the unnamed
tributary to the Croatan Sound.
Minimization
Minimization includes the examination of appropriate and practicable
steps to reduce the adverse impacts to Waters of the United States.
Implementation of these steps will be required through project modifications and
permit conditions. Minimization typically focuses on decreasing the footprint of
the proposed project through the reduction to median widths, right-of-way widths,
and/or fill slopes widths.
Several minimization efforts were included as part of the project.
Sideslopes in the vicinity of the unnamed tributary to the Croatan Sound were
reduced from the standard 4:1 slope to 2:1 sideslopes in order to minimize
impacts to the stream. A grassed shoulder section along the driveway entrance
was used instead of curb and gutter in order to allow runoff to filter through a
grass swell before entering the wetland, thereby filtering the majority of the
runoff. The overall size of the visitor center and rest area was reduced from its
original design size,while still meeting all necessary design criteria, such that it
now fits entirely within the disturbed, upland area,thereby minimizing impacts to
the surrounding wetlands and stream. Finally,the driveway entrance was
redesigned so that it would cross the unnamed tributary at a perpendicular angle,
thereby minimizing the footprint of the roadway at the stream crossing. All of
these items were incorporated into the final design as a means of minimizing the
overall environmental impacts of the project. The end result of these
minimization measures resulted in a reduction in the linear footage of stream
impacts. The original site design would have resulted in approximately 700 linear
feet of stream impacts while the new design, which incorporates these
minimization efforts,reduced the overall stream impacts to 140 linear feet.
Wetland impacts remained about the same for both designs due largely in part to
the fact that the majority of wetland impacts are a result of the driveway location

and not the sideslope or the size of the site itself. The driveway will isolate a
wetland pocket, cutting it off from the rest of the surrounding wetland system.
Although this pocket will remain intact,the entire wetland was considered in the
impact calculations for the project and will be mitigated for.
Agency Coordination •
Initial Project Meeting
A meeting was held on March 6, 2000 to discuss the proposed Roanoke
Island Visitor Center and Rest Area project. Representatives from NCDOT met
with representatives from the North Carolina Division of Water Quality,North
Carolina Division of Coastal Management,the U.S. Fish and Wildlife Service,
and the North Carolina Division of Marine Fisheries. The proposed project was
presented to those present and their comments and concerns were then discussed.
The meeting did not generate any major concerns with those present and the
meeting ended under the pretense that the next time the resource agencies would
see the project would be when the final environmental document was circulated
for review.
On Site Agency Meeting
A meeting was held on June 6, 2000 at the project site to discuss the
proposed project and the associated wetland and stream impacts with the resource
agencies. NCDOT biologist Chris Rivenbark and Project Engineer Craig Young
met with representatives from the North Carolina Division of Water Quality,the
U.S. Army Corps of Engineers, and the North Carolina Division of Coastal
Management. Estimated stream and wetland impacts were discussed as well as
permitting issues for the project. As a result of the meeting, it was determined
that the original design involved extraneous stream impacts. The designs for the
site were adjusted after the meeting such that the entire project would only impact
the stream in the vicinity of its crossing. In addition, sideslopes were changed
from 4:1 slopes to a combination of 3:1 and 2:1 slopes in the vicinity of the
wetlands and the stream crossing as a method of minimizing impacts. The
driveway entrance was also realigned so that it crossed the stream at more of a
perpendicular angle than originally planned,thereby reducing the overall stream
impacts from approximately 700 linear feet to 140 linear feet.

Roanoke Island Visitor Center
Subject: Roanoke Island Visitor Center
Date: Thu, 25 May 2000 16:27:58 -0400
From: Chris Rivenbark<[e-mail]>
Organization: North Carolina Department of Transportation
To: Cathy Brittingham <[e-mail]>
CC: Bruce Ellis <[e-mail]>
Cathy,
You met with our staff on March 6 to discuss the proposed
visitor center/ rest area in Dare County adjacent to the new US
64 bridge to Roanoke Island. I believe at the meeting you stated
that DCM would not claim jurisdiction over the project unless the
Land Use issue came up. So far this isn't the case. However
there has been some change in designs, primarily impacting the
channel (approximately 436 ft) adjacent to the site. I believe
the wetland impacts (approximately 1.5 acres) will still come
under the Corp's domain. What would kick this into a project
requiring a CAMA permit, specifically a Major Development Permit?
Thank you.
Chris Rivenbark
Natural Systems Specialist
NC Department of Transportation
(919) 733-9513
1 of 1 5/31/00 2:07 PM

Re:Roanoke Island Visitor Center/Rest Area
Subject: Re: Roanoke Island Visitor Center/ Rest Area
Date: Tue, 04 Apr 2000 14:05:19 -0400
From: Cathy Brittingham <[e-mail]> _14003
Organization: NC DENR DCM
To: Chris Rivenbark<[e-mail]>
BCC: Frank Jennings <[e-mail]>
Hi Chris,
According to the 9/3/98 draft of the 1998 Perquimans County Land Use
Plan Update, I was not able to find any policies that would appear to
conflict with DOT's plans to mitigate for Dare County impacts within
Perquimans County. I do not have a final copy of the Perquimans County
Land Use Plan Update to review, but I do not expect it would have any
radically different policies. I will double-check with our District
Planner and let you know if there is anything unexpected in the final
version of the Perquimans County land use plan.
As I stated in my 3/30/00 letter, this information is provided as a
preliminary review of land use plan policies which may be relevant to
mitigation being considered by DOT. This is not a formal DCM land use
plan review. A formal DCM land use plan review for all aspects of the
proposed project will be conducted upon receipt of a request from DOT
for authorization pursuant to the Coastal Area Management Act.
As I also stated in my 3/30/00 letter, DOT will need to prove to DCM's
satisfaction that no reasonable mitigation site or sites exist within
Dare County in order for DCM to approve DOT's proposal to mitigate for
Dare County impacts within Gates/Perquimans Counties.
Finally, please note that my comments do not take into consideration the
suitability of the mitigation from a wetlands perspective. DCM will
make a determination of the suitability of the proposed mitigation from
a wetlands perspective after Kelly Williams, DCM Wetland Restoration
Specialist, has had an opportunity to review the proposed mitigation
plan. DCM will also rely on comments received from other State
reviewing agencies in making its final determination.
Please let me know if I can provide any additional information.
Sincerely,
Cathy Brittingham
Transportation Project Coordinator
NC Division of Coastal Management
Chris Rivenbark wrote:
> Cathy, Bruce Ellis forwarded me a copy of your letter to Mr.
> Gilmore dated March 30, 2000.
> This is where we stand, we are proposing to debit the Dismal
> Swamp Mitigation Site (NCDOT owned) in
> Gates/Perquimans Counties for 1.5 acres of restoration to satisfy
> DWQ's requirement for 1:1
> mitigation. In addition, we will debit the Mashoes Road
> Mitigation Site (NCDOT owned) in Dare
> County for 15 acres of preservation to fulfill the Dare County's
> and USACE's request (likely) for 10:1 mitigation from a site that
> is in Dare County.
I of 2 4/4/00 2:10 PM

Re:Roanoke Island Visitor Center/Rest Area
> You provided Dare and Gates Counties' land use (mitigation)
> restrictions. Do you know if Perquimans County's Land Use Plan
> would prohibit our proposal?
> Let me know if you have any questions.
> (919) 733-9513
2 of 2 4/4/00 2:I O PM

NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
March 30,2000 DIVISION OF COASTAL MANAGEMENT
,' DENR
� ' Mr. William D. Gilmore,P.E.,Manager
Cti Project Development and Environmental Analysis Branch
.• 'h, , x, ' 4 -. North Carolina Department of Transportation
;
k', •• „,ES B. HUNT JR''
P.O. Box 25201
•ERN OR
Raleigh,N.C. 27611-5201
ix Dear Mr. Gilmore:
-•'a; L HOLMAN'
�, ft, I attended a meeting on 3/6/00 at the DOT Highway building concerning the proposed Roanoke
•
Island Tourist and Visitor Center in Manteo, TIP No.K-4003. The purpose of the meeting was
' .fi't for DOT to ask the reviewing agencies what information should be included in the environmental
4. ` yt ` f document for this project,which will be a Categorical Exclusion. The following is the N.C.
/ te
�.,�.' Division of Coastal Management's(DCM's)response to several issues that came up at the
'�'i '' �� meeting:
• , , k
" 4 " 1. The proposed Roanoke Island Tourist and Visitor Center in Manteo,as presented at the 3/6/00
1
' • .- meeting,will fall under the permitting authority of DCM. Even if the proposed project does not
directly impact an Area of Environmental Concern(AEC)as designated under the Coastal Area
'Sib" -. 1 Management Act(CAMA), it is closely associated with a larger project, TIP Project No. R-2551,
• • 4 .3tt . ,--,F that does have direct and indirect impacts to AEC's. TIP Project No. R-2551 is proposed
c�,'= _ improvements to US 64-264 from West of Manns Harbor to South of Manteo at US 64-264 and
�`,,... `, NC 345 in Dare County, including a new bridge over the Croatan Sound. DCM will need to
'. :' "/ t�*.:: review,through the permit process,the potential cumulative impacts from the proposed project,
- TIP No. K-4003, on AEC's impacted by the larger project,R-2551. When project planning and
, design for construction of the proposed Roanoke Island Tourist and Visitor Center in Manteo is
.' complete,DCM suggests that DOT request a minor modification of CAMA Permit No. 7-98
which was issued on 1/20/98 for R-2551.
4 .- -
7- 2. DOT staff mentioned at the 3/6/00 meeting that to compensate for anticipated 404 wetland
impacts of approximately 1.5 acres,they are looking at possible mitigation sites in Tyrrell
"'" County(Great Dismal Swamp),Pasquotank and Gates County(Dismal
q Swamp), and Dare
s County(Mashoes). The following is a preliminary review of land use plan policies for the
counties listed above which may be relevant to mitigation being considered by DOT. Please
---=— - -- note: this is not a formal DCM land use plan review. It is only an initial attempt by DCM to
make DOT aware of any potential issues and/or conflicts which may arise with local land use
--}_:_ plan policies relevant to mitigation being considered for Project No. K-4003.
- Dare County Land Use Plan Update. Certified by the Coastal Resources Commission on
=" y - July 29, 1994.
�'. .,.. ° �, Policy 2.1.2 (h-1). Page 60.
- Dare County supports the Coastal Resources Commission's policy to mitigate losses of
"•. `'Y�. •- coastal resources for those projects shown to be in the public interest as defined by the
-- � `� standards in 15 NCAC 7M .0700 et. Seq. and only after all other means of avoiding or
44010011 - `s- 4.'4 minimizing such losses have been exhausted.
IMMIEIEIIEIIM
MAILING: 1638 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-1638
PHYSICAL: 2728 CAPITAL BLVD., RALEIGH, NC 27604
PHONE: [phone] FAX: [phone]
�♦ 1� AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED / 10% POST-CONSUMER PAPER
DENR TOLL FREE HOTLINE: [phone]

Implementation Strategy
1. In instances when improvements to publicly-owned or managed facilities
conflict with freshwater wetland protection programs, an alternatives analysis should
be conducted in an effort to avoid wetland loss or alteration. For projects which
involve County-owned facilities or land, Dare County will conduct an alternatives
analysis for these projects. However, should the analysis determine that there is no
practicable alternative, a mitigation permit proposal shall be implemented. Mitigation
activities and improvements designed as compensation for wetland loss occurring
in Dare County shall be located,whenever possible,in Dare County and in
proximity to the loss (emphasis added).
It should be noted that Dare County policy Policy 2.1.2 (h-1) does not absolutely
preclude out-of-county mitigation. However,prior to authorizing any out-of-county
mitigation site, a permit applicant must prove to DCM's satisfaction that no
reasonable mitigation site or sites exist within Dare County.
1993 Gates County Land Use Plan Update. Certified by the Coastal Resources Commission on
May 28, 1993. No relevant policies were noted.
Pasquotank County Land Use Plan Update,April 1996. Certified by the Coastal Resources
Commission on May 24, 1996.
Page 28. It is the policy of Pasquotank County government to conserve the remaining
portion of the Dismal Swamp lying within the County by supporting state and federal
efforts to preserve the swamp's unique ecological functions of aquifer recharge and
wildlife habitat.
Tyrrell County and Town of Columbia 1996 Land Use Plan Update. Certified by the Coastal
Resources Commission on January 23, 1998.
Page 140. Tyrrell County opposes any 404 wetlands mitigation projects within
Tyrrell County undertaken to replace 404 wetland areas outside of Tyrrell County
(emphasis added).
If you have any questions or concerns,please contact me at(919) 733-2293 x 238 or via e-mail at
[e-mail]. Thank you for your consideration of the North Carolina Coastal Management
Program.
Sincerely,
Cathy Brittingham
Transportation Project Coordinator
cc: Frank Jennings, DCM-Elizabeth City
Bruce Ellis,DOT
John Hennessy,DWQ
Mike Bell, COE