20110427 Ver 1_Application_20110506

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BEVERLY EAVES PERDUE
. GOVERNOR
$e
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
April 29, 2011
Mr. Bill Biddlecome
U. S. Army Corps of Engineers
Regulatory Field Office
Post Office Box 1000
Washington, NC 27889-1000
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44k e Q
.1114 441,?f
EUGENE A. CONTI, JR.
SE=ARY
Mr. Stephen Lane
N. C. Dept. of Environment and Natural
Resources
Division of Coastal Management
400 Commerce Avenue
Morehead City, NC 28557
Dear Sirs: 1 1 ®4 2 9
Subject: Application for Section 404 General Permit 31, CAMA Major Development
Permit Application, and Section 401 General Water Quality Certification for the
replacement of Bridge No. 6 over Northwest Fork Alligator River on NC 94 in Tyrrell
County. Federal Aid Project Number BRSTP-94(1). Debit $400.00 from WBS
33813.1.1; TIP No. B-4647.
Please find enclosed the North Carolina Division of Coastal Management Major Permit Forms,
Pre-Construction Notification (PCN) form, wetland restoration plan, Stormwater Management
Plan, State Stormwater Permit exemption letter, permit drawings, half-size plan sheets, utility
narrative and drawings, and the adjacent riparian landowner certified mail receipts. A Categorical
Exclusion (CE) was completed for this project on August 26, 2008, and distributed shortly
thereafter. A Federal Highway Administration (FHWA) Right-of-Way Consultation was
completed on December 23, 2009. Additional copies are available upon request.
The North Carolina Department of Transportation (NCDOT), Division of Highways, in
consultation with the FHWA, proposes to replace and relocate Bridge No. 6 on NC 94 over the
Northwest Fork of the Alligator River in Tyrrell County. The existing structure is a 16-span,
360-foot long bridge with a continuous steel beams on timber pile bents. The proposed structure
will be an 8-span, 370-foot long cored slab bridge on pipe piles and will be located to the west of
the existing bridge. The causeway that is removed due to the relocation of the bridge will be
excavated to natural wetland elevations and restored as onsite mitigation. There will be 0.49 ac.
of permanent impacts to riparian wetlands adjacent to Northwest Fork of the Alligator River due
to the relocation of the new bridge. There will be 0.52 ac. of onsite wetland mitigation. Traffic
will be maintained onsite via staged construction.
The proposed let date for the project is January 17, 2012 with a review date of November 29,
2011; however, the let date may advance as additional funds become available.
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
' NC DEPARTMENT OF TRANSPORTATION FAX: [phone] CENTLRYCENTER
PROJECT DEVELOPMENT AND ENVIRONMENTAL A116I1 1020 BIRCH RIDGE DRIVE
? 1598 MAIL SERVICE CENTER WEBSITE: WKW.NCDOTORG RALEIGH NC 27610
I RALEIGH NC 27699-1598
s
Regulatory Approvals
CAMA: NCDOT requests that the proposed work be authorized under a Coastal Area
Management Act Major Development Permit. Adjacent riparian landowner return receipts will
be forwarded once they become available. Authorization to debit the $400 Permit Application
Fee from WBS Element 33813.1.1 is hereby given.
Section 404 Permit: All aspects of this project are being processed by the Federal Highway
Administration as a "Categorical Exclusion" in accordance with 23 CFR 771.115(b). The
NCDOT requests that a General Permit 198200031 authorize these activities.
Section 401 Permit: We anticipate 401 General Certification number 3820 will apply to this
project. In accordance with 15A NCAC 2H, Section .0500(a), we are providing three copies of
this application to the NCDWQ for their approval.
__ -i. -L
A copy of this permit application and its distribution list will be posted on the NCDOT website at
http://www.ncdot.org/doh/yreconstruct/ye/neu/permit.html
If you have any questions or need additional information, please call or email Mrs. Veronica
Barnes, at 919-707-6102 or [e-mail].
Sincerely,
E. X-1/tZk
Gregory J. Thorpe, Ph.D., Branch Manager
Project Development and Environmental Analysis Branch
cc:
NCDOT Permit Application Standard Distribution List
2
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Office Use Only:
Corps action ID no.
DWQ project no.
Forth Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1a. Type(s) of approval sought from the
Corps: ® Section 404 Permit ? Section 10 Permit
1b. Specify Nationwide Permit (NWP) number or General Permit (GP) number 198200031
1c. Has the N WP or GP number been verified by the Corpse ? Yes ® No
Id. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit
? 401 Water Quality Certification - Express ? Riparian Buffer Authorization
1e. Is this notification solely for the record
because written approval is not required? For the record only for DWQ 401
Certification:
? Yes ®No For the record only for Corps Permit:

? Yes ® No
If. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program. ? Yes ® No
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1h
below. ® Yes ? No
1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? S Yes ? No
2. Project Information
2a. Name of project: Replace Bridge No. 6 over Northwest Fork Alligator River on NC 94
2b. County: Tyrrell
2c. Nearest municipality / t own: Gum Neck
2d. Subdivision name: not applicable
2e. NCDOT only, T.I.P or state
project no: 8-4647
3. Owner Information
3a. Name(s) on Recorded Deed: North Carolina Department of Transportation
3b. Deed Book and Page No. not applicable
3c. Responsible Party (for LLC i f
applicable): not applicable
3d . Street address: 1598 Mail Service Center
3e . City, state, zip: Raleigh, NC 27699
3f. Telephone no.. [phone]
3g . Fax no.. [phone]
3h . Email address: [e-mail]
Page 1 of 11
4. Applicant Information (if different from owner)
4a. Applicant is: ? Agent ? Other, specify
4b. Name: not applicable
4c. Busmes s name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no..
4g. Fax no..
4h. Email address:
5. AgentlConsultant Information (if applicable)
5a. Name: not applicable
5b. Business name
(if applicable):
5c. Street address:
5d. City, state, zip:
5e. Telephone no..
5f. Fax no..
5g. Email address:
Page 2 of 11
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): N/A
1 b. Site coordinates (in decimal degrees): Latitude: 35.721525 Longitude: - 76.193354
(DD.DDDDDD) (-DD.DDDDDD)
1 c. Prope rty size: N/A acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to Northwest Fork Alligator River
proposed project:
2b. Water Quality Classification of nearest receiving water. C;Sw;ORW
2c. River basin: Pasquotank
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
Existing conditions on the site include open water and Rivenne Swamp Forest. Land use in the general vicinity is low
denisty residential.
3b. List the total estimated acreage of all existing wetlands on the property:
38
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
1700
3d. Explain the purpose of the proposed project:
To replace a structurally deficient and functionally obsolete bridge.
3e. Describe the overall project in detail, including the type of equipment to be used:
The project involves replacing a structurally deficient bndge with a eight-span cored slab bridge with concrete overlay on
steel pile bents. The existing structure is a sixteen-span bridge with reinforced concrete floor on continuous I-beams over
concrete caps and timber piles. Standard road building equipment will be used. Existing utilities will be relocated on-site
via the directional bore method.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property
/

® Yes ? No ? Unknown
project (including all prior phases) in the past?
Comments: SAW200511639.
4b. If the Corps made the junsdictional determination, what type ? Preliminary ® Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company EcoScience Corporation
Name (if known): Craig Terwillinger and Michael Gloden Other.
4d. If yes, list the dates of the Corps junsdictional determinations or State determinations and attach documentation.
February 16, 2006
5. Project History
5a. Have permits or certifications been requested or obtained for ? Yes ® No ? Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to *help file' instructions.
N/A
6. Future Project Plans
6a. Is this a phased project? ? Yes ® No
6b. If yes, explain.
N/A
Page 3 of 11
PCN Form - Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
la. Which sections were completed below for your project (check al l that apply):
® Wetlands ? Streams - tributaries ? Buffers
? Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete thi s question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Wetland impact Type of jurisdiction
number - Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ - non-404, other) (acres)
Temporary (1)
W1 SPOT Roadway fill Riparian ® Yes
? No ® Corps
? DWQ 0.17
W2 ® P ? T Roadway fill Riparian ® Yes
? No ® Corps
? DWQ 0.01
W3 ® P ? T Bridge and Roadway Riparian ® Yes
? No ® Corps
?DWQ 0.30
W4 ® P ? T Roadway fill Riparian ® Yes
? No ® Corps
? DWQ 0.01
WS SPOT Bridge Riparian ® Yes
? No ® Corps
? DWQ <0.01
W6 SPOT Bridge CAMA ? Yes
® No ® Corps
? DWQ <0.01
2g. Total wetland Impacts 0.49
2h. Comments: Proposed temporary impacts to 404 wetlands of 0 .09 acre and <0 .01 acre of CAMA wetlands of Temporary Fill in
Wetlands in the Hand Clearing areas for the installation of erosion control measures, including Temporary Silt Fence and/or
Special Sediment Control Fence.

3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a. 3b. 3c. 3d. 3e. 3f. 3g.
Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact
number - (PER) or (Corps - 404, 10 stream length
Permanent (P) or intermittent DWQ - non-404, width (linear
Temporary (T) (INT)? other) (feet) feet)
S1 ? P ? T ? PER ? Corps
?INT ? DWQ
S2 ? P ? T ? PER ? Corps
? INT ? DWQ
S3 ? P ? T ? PER ? Corps
? INT ? DWQ
S4 ? P ? T ? PER ? Corps
? INT ? DWQ
S5 ? P ? T ? PER ? Corps
? INT ? DWQ
S6 ? P ? T ? PER ? Corps
? INT ? DWQ
3h. Total stream and tributary Impacts
3i. Comments:
Page 4 of 11
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the
U.S. then individual) list all open water im acts below.
4a.
Open water
impact number -
Permanent (P) or
Temporary 4b.
Name of waterbody
(if applicable) 4c.

Type of impact 4d.

Waterbody type 4e.

Area of impact (acres)
01 ?P?T
02 ?P?T
03 ?P?T
04 ?P?T
4f. Total open water Impacts
4g. Comments: N/A
5. Pond or Lake Construction
If pond or lake construction proposed, then com lete the chart below.
5a.

Pond ID 5b.

Proposed use or purpose of 5c.
Wetland Impacts (acres) 5d.
Stream Impacts (feet) 5e.
Upland
(acres)
number pond
Flooded
Filled
Excavated
Flooded
Filled
Excavated
Flooded
P1
P2
Sf. Total
5g. Comments: N/A
5h. Is a dam high hazard permit required
? Yes No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
Page 5 of 11
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts below.
If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
? Neuse ?Tar-Pamlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number- Reason for Buffer Zone 1 impact Zone 2 impact
Permanent (P) or impact Stream name mitigation (square feet) (square feet)
Temporary required?
Bt ?P?T ?Yes
? No
B2 ?P?T ?Yes
? No
133 ?P?T ?Yes
? No
B4 ?P?T ?Yes
? No
B5 ?P?T ?Yes
? No
B6 ? P ? T ? Yes
? No
B7 ?P?T ?Yes
? No
6h. Total buffer Impacts
6i. Comments: N/A
Page 6 of 11
D. Impact Justification and Mitigation
1. Avoidance and Minimization
I a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
Measures taken during the design process to avoid or minimize impacts include the use of Design Standards for
Sensitive Watersheds, increasing the length of the proposed bridge, decreasing the number of bents from 15 to 7,
inclusion of Hazardous Spill Catch basins, and removal of the wasting causeway graded down to natural wetland
elevations.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Construction techniques used to minimize impacts include the use of NCDOT Best Management Practices for the
Protection Surface Waters, In-water work moratorium for anadromous fish from February 15- June 15, top down
construction and 3:1 fill slopes where practicable.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State? ® Yes ? No
2b. If yes, mitigation is required by (check all that apply): ? DWQ ® Corps

2c.
If yes, which mit igation option will be used for this
project? ? Mitigation bank

? Payment to in-lieu fee program
® Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank: not applicable
3b. Credits Purchased (attach receipt and letter) Type Quantity
3c. Comments:
4. Complete If Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ? Yes
4b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold
4d. Buffer mitigation requested (DWQ only): WA square feet
4e. Riparian wetland mitigation requested: acres
4f. Non-npanan wetland mitigation requested: N/A acres
4g . Coastal (tidal) wetland mitigation requested: N/A acres
4h. Comments: N/A
5. Complete If Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Please see attached wetland restoration plan.
I
i
Page 7 of 11
PCN Form - Version 1.3 December 10, 2008 Version
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ
6a. Will the protect result in an impact within a protected riparian buffer that requires ? Yes ®No
buffer mitigation?
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
6c. 6d. 6e.
Zone Reason for impact Total impact Multiplier Required mitigation
(square feet) (square feet)
Zone 1 WA 3 (2 for Catawba)
Zone 2 N/A 1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
pemtittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
N/A
6h. Comments: WA
Page 8 of 11
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
la. Does the project include or is it adjacent to protected riparian buffers identified ? Yes No
within one of the NC Riparian Buffer Protection Rules
1b. If yes, then is a diffuse flow plan included? If no, explain why
? Yes ? No
Comments:
2. Stor mwater Management Plan
2a. What is the overall percent imperviousness of this project? WA %
2b. Does this project require a Stormwater Management Plan? ® Yes ? No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why,
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
See attachments.
? Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? ? DWQ Stormwater Program
® DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local govemment's jurisdiction is this project? not applicable
? Phase II
3b. Which of the following locally-implemented stonnwater management programs ? NSW
? USMP
apply (check all that apply): ? Water Supply Watershed
? Other.
3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No
attached?
4. DWQ Stormwater Program Review
® Coastal counties
? HOW
4a . Which of the following state-implemented stonnwater management programs apply ® ORW
(check all that apply): ? Session Law 2006-246
? Other.
4b . Has the approved Stormwater Management Plan with proof of approval been
attached? ® Yes ? No
S. DWQ 401 Unit Stormwater Review
5a . Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No N/A
5b . Have all of the 401 Unit submittal requirements been met? ? Yes ? No N/A
li
t
I Page 9 of 11
I PCN Form - Version 1.3 December 10, 2008 Version
f
II
F. Supplementary.lnfornation
1. Environmental Documentation (DWQ Requirement)
I a. Does the project involve an expenditure of public (federal/state/local) funds or the
. ®Yes ? No
use of public (federal/state) land
1b. If you answered 'yes' to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ® Yes ? No
(North Carolina) Environmental Policy Ad (NEPA/SEPA)?
1 c. If you answered 'yes' to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
® Yes ? No
letter.)
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H.0500), Isolated
Wetland Rules (15A NCAC 2H 1300), DWQ Surface Water or Welland Standards, ? Yes ®No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after-the-fad permit application? ? Yes ® No
2c. If you answered 'yes' to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in ?Yes ®No
additional development, which could impact nearby downstream water quality
3b. If you answered 'yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered 'no,* provide a short narrative description.
Due to the minimal transportation impact resulting from this bridge replacement, this project will neither influence nearby
land uses nor stimulate growth. Therefore, a detailed indirect or cumulative effects study will not be necessary.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
not applicable
Page 10 of 11
PCN Form -Version 1.3 December 10, 2008 Version
S. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or El Yes ®No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
®yes El No
impacts
® Raleigh
5c. If yes, ind icate the USFWS Field Office you have contacted. ? Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
Phone conversation with USFWS representative (April 20, 2011), USFWS list of Threatened and Endangered Species for
Tyrrell County (September 22, 2010); Natural Heritage Program Database.
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
Index of Waterbodies with Essential Fish Habitat
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation ? Yes ®No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
NC State Historic Preservation Office correspondence
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain? ® Yes ? No
8b. If yes, explain how project meets FEMA requirements: NCDOT Hydraulics Unit will coordinate with FEMA
8c. What source(s) did you use to make the floodplain determination? FEMA maps
o? 4.28.11
Applicant/Agent's Printed Name Ap ica Agent's Signature
(Agents signature is valid only W an authorization letter from the applicant Date
is provided.)
Page 11 of 11
Wetland Restoration Plan
Bridge No. 6 over the Northwest Fork Alligator River on NC 94
Tyrrell County
TIP B-4647
Federal Aid Project No.BRSTP-94(1) and State Project No. 8.1130501
WBS No. 33813.1.1
April 5, 2011
1.0 BASELINE INFORMATION
The project is located within sub-basin 03-01-51 of the Pasquotank River Basin and is part of the
USGS Hydrologic Unit 03010205 of the South Atlantic Gulf region. The project is located on
NC 94 in Tyrrell County near Gum Neck and is bordered by the Albermarle Sound to the north
and east. It is within the Coastal Plain physiographic province; specifically the Mid-Atlantic
Floodplain and Low Terrace Ecoregion. The majority of the land use in the vicinity of the project
is undeveloped forest and wetlands. The entire project study area is part of the Pocosin Lakes
National Wildlife Refuge.
One jurisdictional stream is located within the project area: Northwest Fork Alligator River. This
portion of the river has been assigned Stream Index Number 30-16-8 (NCDWQ 2005a) and is
designated a warm water stream (USACE et al. 2003) with a classification of C-Sw-ORW.
The two plant communities found within the project area are Cypress-Gum Swamp (Blackwater
Subtype) and disturbed/maintained land. Approximately 83% of the project area (38 acres) is
made up of the Cypress-Gum Swamp, 7% (3 acres) is composed of disturbed/maintained land
containing both the narrow roadside shoulder of NC 94 and a boating access area, and the
remaining 10% is the existing road (NC 94).
The North Carolina Department of Transportation (NCDOT) will perform on-site mitigation for
wetland impacts associated with Transportation Improvement Program (TIP) B-4647 through the
restoration of 0.52 acres of riverine wetland restoration via the removal of existing pavement and
causeway associated with the current bridge and NC 94 alignment.
2.0 SITE SELECTION
TIP B-4647 will involve replacing bridge No. 6 over the Northwest Fork Alligator River as well
as performing improvements to the approach roadway of the replacement structure. These
improvements will extend approximately 780 feet south from the southwest end of the new
structure and approximately 970 feet north from the northeast end of the new structure.
Permanent wetland impacts associated with the project are 0.49 acres of riverine wetlands.
The mitigation site includes two areas which both occur within the existing Right-of-Way of NC
94 within the areas of the approach roadway improvements. The first area occurs from
approximately Sta. 19+75 RT to Sta. 25+25 RT on the southwest end of the bridge. The second
area occurs from Sta. 30+25 RT to 34+00 RT on the northeast end. Within these areas NCDOT
will restore 0.52 acre of riverine swamp forest via existing pavement and causeway removal, site
grading and planting.
3.0 SITE PROTECTION INSTRUMENT
The mitigation areas are located with the NCDOT Right-of-Way for the project. They are
outside of bridge maintenance areas and free of utilities. They will be managed to prohibit all
use inconsistent with its use as mitigation property, including any activity that would materially
alter the biological integrity or functional and educational value of the site, consistent with the
mitigation plan.
The site will be placed on the NEU mitigation geo-database. It will be monitored for three years
with annual reports provided to the agencies. After closeout, the site will placed in the NCDOT
Stewardship Program for long term management and protection.
4.0 OBJECTIVES
The goal of the project is to restore 0.52 acres of riverine swamp forest and mitigate for 0.49
acres of riverine wetland impacts associated with TIP B-4647. The functional restoration of the
site will be accomplished through existing pavement and causeway removal and site grading to
match the target elevation of the existing adjacent reference wetland system. The remaining 0.03
acres of riverine wetland restoration credit will be placed on the NCDOT debit ledger for future
use.
5.0 MITIGATION WORK PLAN
The mitigation areas will be constructed in conjunction with TIP B-4647. Construction activities
involve pavement and causeway removal, site grading and site planting. Once the pavement and
causeway have been excavated, the areas will be graded to match existing adjacent reference
wetland elevation as well as be ripped and disked if necessary.
The Natural Environment Unit shall be contacted to provide construction assistance to ensure
that the mitigation areas are constructed appropriately.
Following the successful completion of site grading and stabilization, the restoration areas will
be planted with species found in cypress-gum swamp communities including at least three of the
following: bald cypress (Taxodium distichum), swamp gum (Nyssa biflora), atlantic white cedar
(Chamaecypares thyoides), and Carolina ash (Fraxinus caroliniana) depending on availability
Native grass seeding and mulching will be performed on all disturbed areas within the wetland
restoration area for stabilization purposes according to guidance and standard procedures of
NCDOT's Roadside Environmental Unit. An as-built report will be submitted within 60 days of
completion of the project.
6.0 PERFORMANCE STANDARDS
No specific hydrological monitoring is proposed for the wetland restoration area. The target
elevation will be based on the reference wetland and verified during construction. Constructing
the site at the adjacent wetland elevation will ensure the hydrology in the restored area is similar
to the hydrology in the reference area.
NCDOT shall monitor the restoration site by visual observation and photo points for survival and
aerial cover of vegetation. NCDOT shall monitor the site for a minimum of three years or until
the site is deemed successful. Monitoring will be initiated upon completion of the site planting.
7.0 MONITORING REQUIREMENTS
Upon successful completion of construction, the following monitoring strategy is proposed for
the 0.52 acre restoration within the NCDOT Right-of-Way. NCDOT will perform visual
inspection and photo points for three years and document monitoring activities on the site in an
annual report distributed to the regulatory agencies.
8.0 OTHER INFORMATION
The Cypress-Gum Swamp plant community associated with B-4647, adjacent to Northwest Fork
Alligator River is a Riverine Swamp Forest based on NCWAM field assessment methodology
9.0 DETERMINATION OF CREDITS
Per the NCDOT plans and 401/404 permit application for B-4647; NCDOT proposes to restore 0.52 acres
of riverine wetlands via pavement/causeway removal and subsequent reforestation to mitigate for
permanent impacts associated with the TIP at a 1.1 ratio. An as-built report will be submitted within
60 days of completion of the project to verify actual constructed acreage. The success of the
mitigation area and determination of total credits will be based upon successful completion and closeout
of the monitoring period.
9.1 CREDIT RELEASE SCHEDULE
NCDOT proposes immediate, full release of the proposed 0.52 acres of restored riverine
wetlands as on-site mitigation for the associated riverine impacts of 0.49 acres for B-4647 at a
1:1 ratio. The remaining 0.03 acres of riverine restoration will be placed on the NCDOT on-site
debit ledger but will not be available for use until the 0.52 acre site is closed out following a
three year monitoring period.
10.0 GEOGRAPHIC SERVICE AREA
The proposed Geographic Service Area (GSA) for the mitigation area is composed of the Hydrologic
Cataloging Unit (HUC) 03010205. 0.49 acres of the 0.52 acres will be used on-site at a 1:1 ratio to
offset wetland impacts associated with B-4647. The remaining 0.03 acres will be available for
use within HUC 03010205 once the mitigation site has been closed out and placed in the
NCDOT Stewardship Program.
11.0 MAINTENANCE PLAN
The site will be held by NCDOT and placed on the NEU mitigation geodatabase. Once
monitoring is completed and the site is closed out, it will be placed in the NCDOT Stewardship
Program for long term maintenance and protection.
If an appropriate third party recipient is identified in the future, then the transfer of the property
will include a conservation easement or other measure to protect the natural features and
mitigation value of the site in perpetuity.
12.0 LONG TERM ADAPTIVE MANAGEMENT PLAN
The site will be managed by the NCDOT according to the mitigation plan. In the event that
unforeseen issues arise that affect the management of the site, any remediation will be addressed
by NCDOT in coordination with the Interagency Review Team.
13.0 FINANCIAL ASSURANCES
The site will be managed by NCDOT with its own distinct cost center number within the
NCDOT budgeting and financial tracking system. Therefore, all accounting for revenues,
contract encumbrances, fund transfers, and expenses will be performed and reported independent
from other capital budget or operating budget accounting.

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North Carolina Dep rent of Environment and
?17?' slon of Water Quality
Bevedy Eaves Perdue It"oleen H. Sullins
Governor D O ` NOV 1 Director
2 2009

Mr. D.R. Henderson, PE
NCDOT - Hydraulics Unit
1590 Mail Service Center
Raleigh, NC 27699-1590
Dear Mr. Henderson:
1 P(November4, 2009
/? w c
Natural Resources
Dee Freeman
Secretary

Subject: Stormwater Permit Exclusion - NC DOT Activity
Replacement of Bridge No.6 on Southbound NC 94
Over Northwest Fork Alligator River
Stormwater Project No. SW7090917
Tyrell County
On September 30, 2009, the Washington Regional Office of the Division of Water Quality received a Coastal Stormwater
Permit Application for project B-4647, the replacement of Bridge No. 6, located over the Northwest Fork Alligator River
on NC 94 in Tyrell County. Staff review of the plans and supporting documents has determined that the project proposes
activities that are excluded from State Stormwater permitting requirements as set forth in Section 2.(dxl) of Session Law
2008-211, effective October 1, 2008, and the stormwater rules under Title 15A NCAC 2H .1000, as amended.
Therefore, the Director of the Division of Water Quality is hereby providing confirmation that the subject project is
excluded from State Stormwater permitting requirements, being an activity of the NC DOT that is regulated in
accordance with the provisions of the NC DOT's National Pollutant Discharge Elimination System (NPDES)
Stormwater Permit.
Under Section 15A NCAC 2H .1003, any future development or changes to the proposed development, including but not
limited to, the locations of the built-upon area and construction of additional built-upon area, may require approval or a
Stormwater Management permit application and permit issuance from the Division of Water Quality prior to any
construction. Any construction on the site prior to receipt of the required approval or permit will constitute a violation of
Title 15A NCAC 2H.1000 and Session Law 2008-211, and may result in the initiation of appropriate enforcement action.
Please keep in mind that this determination does not affect your legal obligation to obtain other perm its and approvals,
which may be required by Federal, State, or local government agencies, rule or law. If you have any questions, or need
additional information concerning this matter, please contact either Scott Vinson or me at (252) 946-66481.
Regional Supervisor
Surface Water Protection Section
AH/sv: S:\WQS\STORMWATER\PERMIT\EXCLUSIONS\SW7090917
cc: Garcy Ward, DWQ
I Washington Regional Office
Central Files
NoM Caro9na Dlvm m of WaterOuarly Intemet www nmaterquafly.uq One
943 Washingtm Square Mall Phow 252-946.64811 FAX [phone] Nao?frthCarolina
Washmpn, NC 27889 FAX: [phone] ?/ a{ura lu

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B-4647 NEU Narrative
March 30, 2011
Ref: Bridge replacement (#6) over Northwest Fork Creek on NC-94, Tyrell County
Existing Utilities:
o Telephone. owned by CenturyLink Telephone Company (contact: Ms.
Cecilia Price: 252-321-9401). underground telephone line runs along
northwest (left) side of NC-94 for entire length of project limits
o Water.. owned by Tyrell County Water Department (contact: Mr. Johnny
Spencer- 252-796-1371).. 6" diameter PVC water line runs along
northwest (left) side of NC-94 for entire length of project limits
• Proposed Utilities:
o Telephone.. underground line will be installed on right side of project by
open trench and directional bore (under creek)
o Water. underground line will be installed on right side of project by open
trench and directional bore (under creek)
• Additional Notes:
o There are existing power poles/lines on northwest (left) side of NC-94 that
are not in conflict with any work undertaken in this project
o There are two wetland mitigation areas delineated inside project limits, but
proposed water and telephone lines will not be located inside mitigation
boundaries
o Tyrell County is CAMA county and requires utility profiles
o Open trench installations (water and telephone lines) will be used only in
areas outside of wetlands or inside of Hydro's permitted area, therefore
there are no environmental impacts due to utility relocations
Utility Permit Dra ng
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