20100168 Ver 1_Application_20100301

v o..d
DEPARTMENT OF TRANSPORTATION q
BEVERLY EAVES PERDUE EUGENE A. CONTI, 1R.
GOVERNOR SECRETARY
February 22, 2010
U. S. Army Corps of Engineers
Regulatory Field Office
3331 Heritage Trade Drive, Suite 105
Wake Forest, NC 27587 100,
Q
J 8
ATTN: Mr. Andy Williams
NCDOT Coordinator
Subject: Application for Section 404 Nationwide Permit 14 and Section 401 Water
Quality Certification for the SR 1311 (Cook Rd) Widening & Extension from
SR 1909 (Westbrook Ave) to SR 1503 (Manning Ave) on NC 100 in Alamance
County. Federal Aid Project Number STP-0701(7), Division 7, T.I.P No.
U-3110B.
Debit $240.00 from WBS No. 3490
Dear Sir,
The North Carolina Department of Transportation (NCDOT) proposes to widen and extend SR
1311 (Cook Rd) from SR 1909 (Westbrook Ave) to SR 1503 (Manning Ave) on NC 100, a
distance of approximately 1.3 miles. Please see the enclosed copies of the Pre-Construction
Notification (PCN), Stormwater Management Plan, permit drawings, compensatory mitigation
debit, EEP Concurrence Letter, and design plans for the above-referenced project.
The Environmental Assessment (EA) was completed for this project in January 1997, the Finding
of No Significant Impact (FONSI) was completed in January 1998, a Right-of-Way Consultation
was completed in April of 2008. Additional copies are available upon request.
STATE OF NORTH CAROLINA
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This project calls for a letting date of September 21, 2010 and a review date of August 3, 2010.
MAILING ADDRESS:
NC DEPARTMENT OF TRANSPORTATION
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS
NATURAL ENVIRONMENT UNIT
1598 MAIL SERVICE CENTER
RALEIGH NC 27699-1598
TELEPHONE: [phone]
FAX: [phone]
LOCATION:
4701 Atlantic Ave.,
Suite 116
Raleigh, NC 27604
WERSITE: W ..NCDOT.ORG
A" A copy of this permit application will be posted on the NCDOT Website at:
http://www.ncdot.org/doh/preconstruct/pe/. If you have any questions or need additional
information, please call Deanna Riffey at [phone].
Sincer AA
Gregory J. Thorpe, Ph.D.
Environmental Management Director, PDEA
W/attachment
Mr. Brian Wrenn, NCDWQ (5 Copies)
W/o attachment (see website for attachments)
Dr. David Chang, P.E., Hydraulics
Mr. Mark Staley, Roadside Environmental
Mr. Greg Perfetti, P.E., Structure Design
Mr. Victor Barbour, P.E., Project Services Unit
Mr. J. M. Mills, P.E., Division 7 Engineer
Mr. Jerry Parker, Division 7 Environmental Officer
Mr. Jay Bennett, P.E., Roadway Design
Mr. Majed Alghandour, P. E., Programming and TIP
Mr. Art McMillan, P.E., Highway Design
Mr. Scott McLendon, USACE, Wilmington
Mr. Gary Jordan, USFWS
Mr. Travis Wilson, NCWRC
Ms. Karen Reynolds, PDEA Project Planning Engineer
Ms. Beth Harmon, EEP
Mr. Phillip Ayscue, NCDOT External Audit Branch
Ms. LeiLani Paugh, NEU
Mr. Randy Griffin, NEU
U-4703 Permit Application
Page 2 of 2

O lqi? T
Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps:
® Section 404 Permit ? Section 10 Permit
1b. Specify Nationwide Permit (NWP) number: 14 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps? ? Yes ® No
1d. 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
le. 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
1f. 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)? ? Yes ® No
2. Project Information
2a. Name of project: Widening and Extension SR 1311 (Cook Rd) from SR 1
Ave) to SR 1503 (Manning Ave) on NC 100 909 (Westbrook
2b. County: Alamance
2c. Nearest municipality I town: Eton
2d. Subdivision name: not applicable
2e. NCDOT only, T.I.P. or state
project no: U-3110B
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 if
applicable):
not applicable
3d. Street address: 1598 Mail Service Center
3e. City, state, zip: Raleigh, NC 27699-1598
3f. Telephone no.: [phone]
3g. Fax no.: [phone]
3h. Email address: driffev(a2ncdot.oov
4. Applicant Information (if different from owner)
4a. Applicant is: ? Agent ? Other, specify:
4b. Name: not applicable
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
5. Agent/Consultant 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:
B. Project Information and Prior Project History
1. Property Identification
la. Property identification no. (tax PIN or parcel ID): not applicable
1b. Site coordinates (in decimal degrees): Latitude: 36.1093 Longitude: - 79.5174
(DD.DDDDDD) (-DD.DDDDDD)
1c. Property size: 32 acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to UT to Travis Creek
proposed project:
2b. Water Quality Classification of nearest receiving water: C, NSW
2c. River basin: Cape Fear
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:
Rural and Developed land
3b. List the total estimated acreage of all existing wetlands on the property:
0.10
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
270
3d. Explain the purpose of the proposed project:
The primary purposes of the proposed action are as follows: To provide a continuous route from US 70 to NC 100.
3e. Describe the overall project in detail, including the type of equipment to be used:
The North Carolina Department of Transportation (NCDOT) proposes to widen and extend Cook Road (SR 1311) from
Westbrook Avenue (SR 1909) to NC 100 and then to Manning Avenue (SR 1503), a distance of approximately 1.3 miles.
The proposed project will be a four-lane, median divided roadway with curbs and gutters, bicycle provisions, and
sidewalks. A two-way ramp will provide access to NC100. Standard road building equipment, such as trucks, dozers, and
cranes will be used.
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: Site Visit 11/5/09 - No JD issued.
4b. If the Corps made the jurisdictional determination, what type ? Preliminary ® Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company: RK&K
Name (if known): NCDOT Biologists: Deanna Riffey& Sara Other:
Easterly
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
Andy Williams (USACE) visited the site on November 5, 2009. A jurisdictional determination has not been received by
NCDOT.
5. Project History
5a. Have permits or certifications been requested or obtained ®Yes ? No ? Unknown
for this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
Section B covered under an Individual Permit with Section A. Section B had no impacts at that time. Section A has been
built and the permit has expired. Section B was deemed to have independent utility and will be covered under a
Nationwide Permit
6. Future Project Plans
6a. Is this a phased project? ? Yes ® No
6b. If yes, explain.
4
C. Proposed Impacts inventory
1. Impacts Summary
1a. Which sections were completed below for your project (check all that apply):
® Wetlands ® Streams - tributaries ? Buffers
? Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this 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 T

Site 1 ® P ? T Fill,
Mechanized
Riverine ? Yes ® Corps 0.06(P)

Clearing ® No ? DWQ
Site 2 ? P ? T ? Yes ? Corps
? No ? DWQ
Site 3 ? P ? T ? Yes ? Corps
? No ? DWQ
Site 4 ? P ? T ? Yes ? Corps
? No ? DWQ
Site l Q PMT ? Yes ? Corps
? No ? DWQ
2g. Total wetland impacts 0.06(P)
2h. Comments:
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 Average Impact
number - (PER) or jurisdiction stream length (linear
Permanent (P) or intermittent (Corps - 404, 10 width feet)
Tempotary (T) (INT)? DWQ - non-004, (feet)
other)

Site 1 ®P ®T Pipe extension
and Bank UT to Travis ® PER ® Corps 39 ft(P)
Stabilization Creek El INT El DWQ 39 ft(T)
Site 2 ? P ? T ? PER ? Corps
? INT ?DWQ
Site 3 ? P ? T ? PER ? Corps
? INT ? DWQ
Site 4 ? P ? T ? PER ? Corps
? INT ? DWQ
Site 5 ? P ? T ? PER ? Corps
? INT ? DWQ
Site 6 ? P ? T ? PER ? Corps
? INT ? DWQ
3h. Total stream and tributary impacts
1 39 Perm
39 Temp
3i. Comments: Per correspondence with Andy Williams on January 28, 2010, mitigation is not required for bank stabilization.
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 impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of
impact number- waterbody Type of impact Waterbody type Area of impact (acres)
Permanent (P) (if applicable)
or Temporary T
01 ?P?T
02 ?P?T
03 ?P?T
04 ?P?T
4f. Total open water impacts 0 Permanent
0 Temporary
4g. Comments:
5. Pond or Lake Construction
If and or lake construction proposed, then complete the chart below.
5a. 51b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or (acres)
number purpose of pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments:
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:

6

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 mitig ation, 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 impact Buffer Zone 1 impact Zone 2 impact
Permanent (P) or Stream name mitigation (square feet)
(square feet)
Temporary T required?
B1 ?P?T ?Yes
? No
B2 ?P?T ?Yes
? No
B3 ?P?T ?Yes
? No
6h. Total buffer impacts
6i. Comments:
D. Impact Justification and Mitigation
1. Avoidance and Minimization
la. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
A preformed scour hole is being placed at the outlet of a three inlet roadway drainage system near Site 1 to reduce
velocities and promote sheet flow. Also, to help reserve the natural integrity of the stream, no rip rap is to be placed in
the streambed at the outlet of the 66" RCP extension for Site 1. A 2:1 fill slope will be used at Site 1 to reduce the
footprint in the jurisdictional areas (stream and wetland).
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
2:1 slopes are to be used and Best Management Practices for Surface Waters.
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 mitigation 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: 29 linear feet of impacts at 2:1 mitigation = 58 ft requested
4c. If using stream mitigation, stream temperature: ® warm ? cool ?cold
4d. Buffer mitigation requested (DWQ only): 0 square feet
4e. Riparian wetland mitigation requested: 0 acres
4f. Non-riparian wetland mitigation requested: 0 acres
4g. Coastal (tidal) wetland mitigation requested: 0 acres
4h . Comments: Stream mitigation provided by EEP. Wetland mitigation provided by NCDOT.
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.
Compensatory Mitigation using Bryan Boulevard Mitigation Sites for 0.06 riverine wetlands at a 1:1 ratio. See Attached.

6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation? ? Yes ? No
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.

Zone 6c.
Reason for impact 6d.
Total impact
(square feet)
Multiplier 6e.
Required mitigation
(square feet)
Zone 1
Zone 2
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,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
6h . Comments:
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?
11b. If yes, then is a diffuse flow plan included? If no, explain why.
Comments: See Permit Plans ? Yes ? No
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project? N/A
21b. 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 attached.
? 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 government's jurisdiction is this project? not applicable
? Phase II
3b. Which of the following locally-implemented stormwater 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 El No
attached?
4. DWQ Stormwater Program Review
? Coastal counties
4a . Which of the following state-implemented stormwater management programs apply ? HOW
(check all that apply): ? ORW
? Session Law 2006-246
? Other:
4b . Has the approved Stormwater Management Plan with proof of approval been
attached? ? Yes ? No
5. DWQ 401 Unit Stormwater Review
5a . Does the Stormwater Management Plan meet the appropriate requirements? ® Yes ? No
5b . Have all of the 401 Unit submittal requirements been met? ® Yes ? No
10

F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
la. 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 Act (NEPA/SEPA)?
1c. 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
letter.) ® Yes ? No
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 Wetland Standards, ? Yes ® No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after-the-fact permit application? ? Yes ®No
2c. If you answered 'es" 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
additional development, which could impact nearby downstream water quality? ®No
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 project, 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
I1
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
[I Yes ® No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
? Yes ® No
impacts?
El Raleigh
5c. If yes, indicate 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?
NHP, USFWS website, NCOOT field surveys on April 9, 2008. No federally protected species listed. Field survey for bald
eagle -No effect.
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?
NMFS County Index
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?
NEPA Documentation
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:
8c. What source(s) did you use to make the floodplain determination? FEMA Maps
4
Dr. Gregory J. Thorpe, PhD / Z = Z Z' ?CI
'
Applicant/Agent
s Printed Name ApiplicaftAgent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant
is provided.)
12

Compensatory Mitigation
The Bryan Boulevard Mitigation Sites are located in Guilford County, adjacent to the
Bryan Boulevard Extension. Site I (Horsepen Creek) is located at the intersection of
Bryan Boulevard and Flemming Road; site 2 (Oak Ridge Road) is located near the
intersection of Bryan Boulevard and Old Oak Ridge Road. These mitigation sites were
originally constructed to offset wetland impacts associated with (T.I.P. U-608) the
extension of Bryan Boulevard. The sites have completed there monitoring period and
met all prescribed hydrologic and vegetative success criteria.
To offset the 0.058 acres of unavoidable riverine wetland impacts associated with (T.I.P.
U-3110B) the widening and extension of Cook Road (SR 1311), the Bryan Boulevard
Mitigation Sites have been debited 0.06 acres of riverine wetland restoration. This debit
is reflected in the following table. .

Site name
Site TIP
HUC River
Basin
Division
Count
Bryan
Boulevard
(Horsepen
Creek &
Oakridge Cape
Road U-608 3030002 Fear 7 Guilford
Mitigation As Built
T e Quantity Available Debit Debit
U-608 U-3110B
Riverine
Wetland
Enhancement 1.9 0 1.9
Riverine
Wetland
Restoration 4.9 3.84 1 0.06
Riverine
Wetland
Creation 24 0 24
r~
?Ea° emeent
PROGRAM
February 18, 2010
Mr. Andy Williams
U. S. Army Corps of Engineers
Raleigh Regulatory Field Office
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Dear Mr. Williams:
Subject: EEP Mitigation Acceptance Letter:
U-31106, SR 1311 (Cook Road) Widening and Extension from SR 1909 (Westbrook Avenue) to
SR 1503, Alamance County
The purpose of this letter is to notify you that the Ecosystem Enhancement Program (EEP) will provide the
compensatory stream mitigation for the unavoidable impact associated with the above referenced project. Based on
the information supplied by the NCDOT on February 10, 2010, the impacts are located in CU 03030002 of the Cape
Fear River Basin in the Central Piedmont (CP) Eco-Region, and the anticipated mitigation credits needed to offset
the impacts are as follows:
Cape Fear Stream Wetlands Buffer (Sq. Ft.)
03030002
CP
Cold
Cool
I

Warm

Riparian Non- Coastal

Zone 1 Zone
Riparian Marsh 2
Impacts (feet/acres) 0 0 28 0 0 0 0 0
Mitigation Units

(Credits-up to 2:1) 0 0 56 0 0 0 0 0
This mitigation acceptance letter replaces the mitigation acceptance letter issued on February 4,
2010. Mitigation associated with this project will be provided in accordance with Section X of Amendment No. 2 to
the Memorandum of Agreement between the N. C. Department of Environment and Natural Resources, the N. C.
Department of Transportation, and the U. S. Army Corps of Engineers fully executed on March 8, 2007 (Tri-Party
MOA). EEP commits to implement sufficient compensatory stream mitigation in the appropriate cataloging unit in
the amount listed in the above table to offset the impacts associated with this project by the end of the MOA year in
which this project is permitted. If the above referenced impact amounts are revised, then this mitigation acceptance
letter will no longer be valid and a new mitigation acceptance letter will be required from EEP.
1929.
If you have any questions or need additional information, please contact Ms. Beth Harmon at 919-715-
Since
William U. Gilmore, P.E.
EEP Director
cc: Mr. Gregory J. Thorpe, Ph.D., NCDOT-PDEA
Mr. Brian Wrenn, Division of Water Quality, Wetlands/401 Unit
File: U-31 IOB Revised
K"toru29... Edw... Prot" 0" Stag
7V
NCDENR
North Carolina Ecosystem Enhancement Program, 1652 Mail Service Center, Raleigh, NC 27699-1652 / 919-715-0476 / www.nceep.net
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PROGRAM
February 18, 2010
Mr. Gregory J. Thorpe, Ph.D.
Manager, Project Development and Environmental Analysis Branch
North Carolina Department of Transportation -
1548 Mail Service Center
Raleigh, North Carolina 27699-1548
Dear Dr. Thorpe:
Subject: EEP Mitigation Acceptance Letter:
U-31 IOB, SR 1311 (Cook Road) Widening and Extension from SR 1909 (Westbrook
Avenue) to SR 1503, Alamance County
The purpose of this letter is to notify you that the Ecosystem Enhancement Program (EEP) will provide the
compensatory stream mitigation for the subject project. Based on the information supplied by you on February 10,
2010, the impacts are located in CU 03030002 of the Cape Fear River Basin in the Central Piedmont (CP) Eco-
Region, and are as follows:
Cape Fear Stream Wetlands Buffer (Sq. Ft.)
03030002 Non- Coastal
CP Cold Cool Warm Riparian Zone l Zone 2
Riparian Marsh
Impacts

(feet/acres) 0 0 28 0 0 0 0 0
Mitigation Units

(Credits-up to 2:1) 0 0 56 0 0 0 0 0
This mitigation acceptance letter replaces the mitigation acceptance letter issued on February 4,
2010. EEP commits to implementing sufficient compensatory stream mitigation credits to offset the impacts
associated with this project by the end of the MOA Year in which this project is permitted, in accordance with
Section X of the Amendment No. 2 to the Memorandum of Agreement between the North Carolina Department of
Environment and Natural Resources, the North Carolina Department of Transportation, and the U. S. Army Corps of
Engineers, fully executed on March 8, 2007. If the above referenced impact amounts are revised, then this
mitigation acceptance letter will no longer be valid and a new mitigation acceptance letter will be required from
EEP.
1929.
If you have any questions or need additional information, please contact Ms. Beth Harmon at 919-715-
Sincerely,
William D, tlmore, P.E.
EEP Director
cc: Mr. Andy Williams, USACE - Raleigh Regulatory Field Office
Mr. Brian Wrenn, Division of Water Quality, Wetlands/401 Unit
File: U-311013 Revised
Restov . F Pvot?ct?' AOur State M3A
Lyt?.. ha?IGG?LCG!'C9.. - J NCDENR
STORMWATER MANAGEMENT
PLAN
State Project No. 34901.1.1
TIP Project No. U-3110B
Alamance County, NC
SR 1311 (Cook Rd.) Improvements and Connector
From SR 1909 (Westbrook Ave.) to NC 100 (Haggard Ave.)
Prepared by.
TranSite Consulting Engineers, Inc.
3516 Bush Street, Suite 101
Raleigh, NC 27609
Page 1 of 3
PROJECT INVOLVEMENT
The proposed project is 1392 miles in total length and will be a four lane facility with
median curb, curb and gutter, and turn lanes. The improvements are located in Alamance
County just West of Elon College and fall within the Elon and Gibsonville City Limits.
The project stretches from SR 1909 (Westbrook Ave.) to SR 1503 (Manning Ave.) along
SR 1311 (Cook Rd.) and NC 100. The first half of the project will involve widening
existing Cook Road from a two lane open ditch section to a four lane facility with curb
and gutter. The second half of the project involves widening existing NC 100 with open
ditches into a four lane facility with curb and gutter. Approximately 1500 feet of the
project will be constructed on new location from Station -L- 45+00 + to -L- 60+00 t.
There will be two bridges consructed in this area with one spanning the railroad and the
other spanning Haggard Ave.
ENVIRONMENTAL DESCRIPTION
The project is located within the Haw River Basin and is not part of any water supply or
watershed critical areas. There is one major stream crossing on this project which is an
unnamed tributary to Haw River. The stream has a drainage area of 127 acres (020
sq.mi.) and is being conveyed under NC 100 by an existing 66" RCP. The proposed
improvements call to collar and extend the existing 66" RCP downstream with 161f of
66" RCP and to eruct a junction box with 81f of 66" RCP upstream. The beginning
portion of the job is developed with residential housing along both sides of the roadway
while the latter portion of the project is undeveloped. There are no wetlands being
impacted by the proposed roadway improvements.
BEST MANAGEMENT PRACTICES
The widening taking place along Cook Road is through a residential area Special care
was taken in placing inlets (yard Dl's) in certain areas to prevent ponding water caused
by the roadway improvements and driveways in the yards of the residents. Elsewhere
along the project, drainage systems were outleted into proposed ditches, where possible,
to carry the stormwater to other proposed drainage systems or to natural drainage
Page 2 of 3

channels and outfalls. Ditches were used in many locations throughout the project to
minimise system drainage costs and to provide some treatment for stotmwater as it is
being conveyed through the gassed lined channels. Appropriate rip rap sizes and
quantities were placed at proposed drainage outlets to prevent erosion and scour. Existing
drainage patterns were followed to every extent practicable to eliminate and/or minima
?P
diversions created by the roadway improvements.
A Preformed Scour Hole was placed to the right of Station -Irv 79+50 at the outlet of a
thrce inlet roadway drainage system. Preformed Scour Holes (PSH's) are used at pipe
outlets to reduce velocities and promote shed flow. PSH's are a square symmetrically
shaped excavated hole filled with rip rap and filter fabric along with a slightly excavated
apron surrounding the hole. A PSH was chosen for this location because it is in close
proximity of the only stream within this project.
To help preserve the natural integrity of the stream, no rip rap is to be placed in the
streambed at the outlet of the 66" RCP extension An outlet channel detail defining
proper rip rap placement has been added to the plans for clarity.

Page 3 of 3
PROPERTY OWNERS
NAMES AND ADDRESSES
PARCEL NO. :NAMES ADDRESSES
31 N..6.( A.& $I... SW. P.O.B. 621
B.di.sw NC 27216
NCDOT
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
PROJECT: 31901.1.1 (U-3110B)
COOK ROAD (SR 1311) WIDENING
AND EXTENSION
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