20130969 Ver 1_401 Application_20130913

20130869
Nationwide 27 Permit and 401 Water
Quality Certification PCN and Permit
Support Documentation
City of Greensboro:
Ardmore Park Stream Enhancement
r
L J
GREENSBORO
August 14, 2013

Transmittal Cover Sheet
5430 Wade Park Boulevard
Suite 200
Raleigh, North Carolina 27607
Tel: 919 - 233 -9178
Fax: 919 - 233-0144
To: Sue Homewood
Date: September 9, 2013
Transmittal No.:
NC DENR, DWQ
Project No.: 140976
Task No.:
Winston -Salem Field Office
Nationwide 27 Permit and 401 Water Quality Certification PCN and
Permit Support Document
585 Waughtown Street
Project Title: Ardmore Park Stream Enhancement
Winston - Salem, NC 27107
From:
Contract
No.:
We are sending the following item(s):
Sent via:
❑ Shop Drawings ❑ Prints
❑ f -Mail ❑ U.S. Mail
® Plans ❑ Samples
❑ Fed Ex ❑ Courier
❑ Change Order ❑ Specifications
❑ UPS ® Hand Carried
❑ CDs
❑ Overnite Express ❑
These are transmitted as checked below:
❑ For approval ® For review and comment ❑ issued for construction
❑ As requested ❑ Reviewed as noted ❑ Issued for bid
❑ For your use ❑ For reference only
❑
If attachments are not as noted, please notify sender at once.
No. of
Copies
Revision
Date or No.
Document or
Drawing No.
Description
1
8/14/13
Nationwide 27 Permit and 401 Water Quality Certification PCN and
Permit Support Document
Remarks:
SEP - 9 2013
- WA7E/Z ALITy
&anch
cc: Prepared by: Ben Nash
Title: Project Manager
Tra nsm itta I_Homewood2013- 08- 14.docx

SAMPLE AGENT AUTHORIZATION FORM
PROPERTY LEGAL DESCRIPTION:
LOT NO.
PLAN NO. PARCEL ID: 7853293877
STREET ADDRESS: Belmar Street, Greensboro, NC 27406
Please print:
Property Owner: City of Greensboro
Property Owner:
The undersigned, registered property owners of the above noted property, do hereby authorize
Ben Nash
(Contractor / Agent)
of Brown and Caldwell
(Name of consulting firm)
to act on my behalf and take all actions necessary for the processing, issuance and acceptance of
this permit or certification and any and all standard and special conditions attached.
Property Owner's Address (if different than property above):
2602 South Elm Euqene Street, Greensboro, NC 27406
Telephone: [phone]
We hereby certify the above information submitted in this application is true and accurate to the
best of our knowledge.
r
Authori ed Signature Authorized Signature
Date: 'I / 6 l ' , Date:

5430 Wade Park Boulevard, Suite 200
Raleigh, NC 27607
T: 919.233.9178
F: 919.233.0144
August 14, 2013
Brown M) .
Caldwell '
NC DENR, DWQ
Winston -Salem Field Office
Attn: Ms. Sue Homewood
585 Waughtown Street
Winston - Salem, NC 27107 140976
Subject: City of Greensboro, Ardmore Park Stream Enhancement Project
Nationwide Permit 27 and Water Quality Certification #3885
Dear Ms. Homewood:
On behalf of the City of Greensboro, Brown and Caldwell is pleased to submit the
enclosed Pre - Construction Notification (PCN) and supporting documentation for
approval of a Nationwide 27 Permit and associated 401 Water Quality Certification
#3885 for aquatic habitat restoration, establishment, and enhancement activities for
the City of Greensboro's Ardmore Park Stream Enhancement project. The City proposes
to enhance approximately 2,015 linear feet of stream channel within Ardmore Park,
including construction of two offline wetlands within the existing stream buffer, to
improve water quality and protect existing utility infrastructure.
Proposed enhancement activities include the addition of meanders where feasible;
incorporating in- stream measures to improve stream stability; and planting native
vegetation to improve bank stability and enhance the existing riparian buffer. Much of
the channel is currently very unstable and actively eroding, threatening infrastructure
and degrading habitat and water quality. Several design constraints, such as existing
utilities and narrow property corridors, are associated with this project. The proposed
enhancement design works within the confines of the corridor and employs Natural
Channel Design methodology to establish a stable, self- maintaining channel with a
native vegetation riparian buffer.
This project is necessary to address impairment issues; improve channel stability and in-
stream habitat; protect adjacent infrastructure; improve safety and aesthetics; and
provide educational opportunities for the public.
Stream and buffer impacts have been avoided to the maximum extent practicable.
Stream enhancement activities require a permanent change to the stream; however,
these impacts are considered self - mitigating. Additionally, Zones 1 and 2 of the Jordan
Lake Buffer are proposed to be impacted by two offline wetlands and are considered an
acceptable activity, based on pre - application meetings with the North Carolina Division
of Water Quality (NC DWQ) and U.S. Army Corps of Engineers ( USACE), since these will
be allowed to return to their native state without scheduled maintenance. More detailed
project information is provided in the attached permit support documentation.
Based on the proposed project and guidance from the USACE and NC DWQ, this activity
should qualify for a USACE Nationwide 27 Permit and associated Water Quality
ardmore agency cover letter_homewood docx

Ms. Sue Homewood
U.S. Army Corps of Engineers
August 14, 2013
Page 2
Certification #3885. On behalf of our client, attached is a completed PCN along with
supporting project information for your review and approval. Brown and Caldwell
respectfully request that the USACE issue a NWP -27 and that NC DWQ issues a General
Water Certification #3885 for this project. Please do not hesitate to contact me at (919)
424 -1437 should you have any questions or require additional information.
Very truly yours,
Brown and Caldwell
Ben Nash, Project Manager
Raleigh Office
BN:ss
cc: Andrew Williams, USACE
Attachments (2)
• PCN Form
• Permit Support Document
ardmore agency cover letter_homewood docx

20130968
TF9
`o� OF WApG Office Use Only:
y Corps action ID no.
B < DWQ project no.
Form Version 1.4 January 2009
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
1 b. Specify Nationwide Permit (NWP) number: 27 or General Permit (GP) number.
1c. Has the NWP or GP number been verified by the Corps?
® Yes ❑ No
1 d. 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
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
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes ® No
2. Project Information
2a. Name of project:
Ardmore Park Stream Enhancement Project
2b. County:
Guilford County
2c. Nearest municipality / town:
City of Greensboro
2d. Subdivision name:
N/A
2e. NCDOT only, T.I.P. or state project no:
N/A
3. Owner Information
3a. Name(s) on Recorded Deed:
City of Greensboro, Ardmore Park
3b. Deed Book and Page No.
DB 1609 Pg. 0477
3c. Responsible Party (for LLC if
applicable):
N/A
DENR - WATER OUALIT—Y
w a Brand,
3d. Street address:
2602 South Elm Eugene Street
3e. City, state, zip:
Greensboro, North Carolina 27406
3f. Telephone no.:
(336) 373 -2033
3g. Fax no.:
3h. Email address:
Page 1 of 10
PCN Form — Version 1.4 January 2009

4. Applicant Information (if different from owner)
4a. Applicant is:
❑ Agent ❑ Other, specify:
4b. Name:
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
S. Agent/Consultant Information (if applicable)
5a. Name:
Benjamin Nash, PLA
5b. Business name
(if applicable):
Brown and Caldwell
5c. Street address:
5430 Wade Park Boulevard, Suite 200
5d. City, state, zip:
Raleigh, North Carolina 27607
5e. Telephone no.:
(919) 424 -1437
5f. Fax no.:
(919) 233 -0144
5g. Email address:
bnash @brwncald.com
Page 2 of 10

B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID):
7853293877
1 b. Site coordinates (in decimal degrees):
I Latitude: 36.05298 Longitude: 79.83916
1c. Property size:
6 acres
2. Surface Waters
2a. Name of nearest body of water to proposed project:
unnamed tributary to South Buffalo Creek
2b. Water Quality Classification of nearest receiving water:
WS -V, NSW
2c. River basin:
Cape Fear River Basin
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:
The project site is approximately 6 acres consisting of maintained turf, undisturbed forest, playground areas, general park amenities, and two stream
channels. It is bordered to the north by residential properties, to the east by Belmar Street, to the south by office buildings, and to the west by Swan
Street and residential properties. The site is within a highly developed urban watershed and streams within the park are severely eroded and incised.
3b. List the total estimated acreage of all existing wetlands on the property: 0
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 2,015
3d. Explain the purpose of the proposed project:
Please see attached permit support document for project purpose and need.
3e. Describe the overall project in detail, including the type of equipment to be used:
Please see attached permit support document for detailed project information.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past?
® Yes ❑ No ❑ Unknown
Comments: USACE Field Visit 9/25/12;JD will be issued with Pe
4b. If the Corps made the jurisdictional determination, what type
of determination was made?
❑ Preliminary ❑ Final
4c. If yes, who delineated the jurisdictional areas?
Name (if known): Kristoffer Dramby, CWB, PWS, CE
Agency /Consultant Company: Dramby Env. Consulting
Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5. Project History
5a. Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
Oyes ® No ❑ Unknown
5b. If yes, explain in detail according to °help file" instructions.
6. Future Project Plans
6a. Is this a phased project?
❑ Yes ® No
6b. If yes, explain.
Page 3 of 10
PCN Form — Version 1.4 January 2009

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.
Wetland impact
number
Permanent (P) or
Temporary
2b.
Type of impact
2c.
Type of wetland
2d.
Forested
2e.
Type of jurisdiction
Corps (404,10) or
DWQ (401, other)
2f.
Area of
impact
(acres)
W1 -
Choose one
Choose one
Yes/No
-
W2 -
Choose one
Choose one
Yes/No
-
VV3 -
Choose one
Choose one
Yes/No
-
VV4 -
Choose one
Choose one
Yes/No
-
W5 -
Choose one
Choose one
Yes/No
-
W6 -
Choose one
Choose one
Yes/No
-
2g. Total Wetland Impacts:
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.
Stream impact
number
Permanent (P) or
Temporary (T)
3b.
Type of impact
3c.
Stream name
3d.
Perennial (PER) or
intermittent (INT)?
3e.
Type of
jurisdiction
3f.
Average
stream
width
(feet)
3g•
Impact
length
(linear
feet)
S1 P
Restoration
Mainstem
PER
-
14
734
S2 P
Restoration
Tributary
PER
-
4
325
S3 P
Restoration
Mainstem
PER
-
15
373
S4 P
Restoration
Mainstem
PER
-
18
244
S5 -
Choose one
-
S6 -
Choose one
-
-
3h. Total stream and tributary impacts
1.676-
3i. Comments:
Page 4 of 10
PCN Form — Version 1.4 January 2009

4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
he U.S. then individually list all open water impacts 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 -
Choose one
Choose
02
Choose one
Choose
03 -
Choose one
Choose
04
Choose one
Choose
4f. Total open water impacts
4g. Comments:
S. Pond or Lake Construction
If pond or lake construction proposed, the complete the chart below.
5a.
Pond ID number
5b.
Proposed use or
purpose of pond
5c.
Wetland Impacts (acres)
5d.
Stream Impacts (feet)
5e.
Upland
(acres)
Flooded
Filled
Excavated
Flooded
Filled
Excavated
P1
Choose one
P2
Choose one
5f. Total:
ig. 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. 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 any impacts require mitigation, then you MUST fill out Section D of this form.
6a. Project is in which protected basin?
❑ Neuse ❑ Tar - Pamlico ❑ Catawba ❑ Randleman ® Other.Jordan Lake
6b.
Buffer Impact
number —
Permanent (P) or
Temporary
6c.
Reason for impact
6d.
Stream name
6e.
Buffer
mitigation
required?
6f.
Zone 1
impact
(square
feet )
6g.
Zone 2
impact
(square
feet
61
Yes/No
B2
Yes/No
B3 -
Yes/No
64
Yes/No
B5 -
Yes/No
B6 -
Yes/No
6h. Total Buffer Impacts:
61. Comments: ease see attached e r Buffer impacts.
Page 5 of 10

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
An alternatives analysis was conducted to determine the most environmentally practicable alternative that meets the projects purpose and need.
Please see the attached permit support document for Information on avoidance and minimization efforts.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
On -site suitable soil, trees, and other materials will be utilized to the maximum extent practicable to reduce hauling and use of off -site materials. This
also reduces staging areas and the amount of ground disturbance required. A construction sequencingistaging plan has been developed to manage
construction and limit the length of exposed stream segments at any given time. Staging areas have been designated based on available open area to
minimize unnecessary disturbance and improve access to construction materials. Erosion and sediment controls will be installed prior to constructioll
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 IN 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:
3b. Credits Purchased (attach receipt and letter)
Type: Choose one
Type: Choose one
Type: Choose one
Quantity:
Quantity:
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:
Choose one
4d. Buffer mitigation requested (DWQ only):
square feet
4e. Riparian wetland mitigation requested:
acres
4f. Non - riparian wetland mitigation requested:
acres
4g. Coastal (tidal) wetland mitigation requested:
acres
4h. Comments:
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.
Page 6 of 10
PCN Form — Version 1.4 January 2009

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
3 (2 for Catawba)
Zone 2
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,
permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund).
6h. Comments:
Page 7 of 10

E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified
® Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
New ditches or manmade conveyances producing concentrated runoff to Zone 1 or 2 of the Jordan Lake
❑ Yes ® No
Watershed buffer are not proposed, therefore a diffuse flow plan Is not required. This project is
proposed to: improve water quality through stream enhancement/stabilization measures, protect
adjacent infrastructure, improve safety and aesthetics, and provide educational opportunities.
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project?
0%
2b. Does this project require a Stormwater Management Plan?
❑ Yes ® No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
No new impervious area is proposed for this project; therefore, a stormwater management plan is not required.
2d. If this'project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
2e. Who will be responsible for the review of the Stormwater Management Plan?
N/A
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this roject?
City of Greensboro
❑ Phase II
❑ NSW
3b. Which of the following locally- implemented stormwater management programs
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 stormwater management programs apply
ORW
(check all that apply):
H Session Law 2006 -246
[]Other:
4b. Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ❑ No
attached?
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
Page 8 of 10
PCN Form — Version 1.4 January 2009

F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1 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
Oyes
® No
(North Carolina) Environmental Policy Act (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
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?
Oyes
® 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
Oyes
® 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.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non - discharge or discharge) of wastewater generated from
WA the proposed project, or available capacity of the subject facility.
0
Page 9 of 10
PCN Form — Version 1.4 January 2009

5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
❑ Yes ® No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
® Yes ❑ No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
Raleigh
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
USFWS' Information, Planning and Consultation System
(httpJ/www.fws.gov/ipadlpac Details.html#list)
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?
NOAA Website - httpJ/www.noaa.gov/fishades.html
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?
http://gis.nodcr.gov/hpowebt
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 FIRM #37107853100.1
Applicant/Agent's Printed Name
Applicant/Agent's Signature
Date
(Agent's signature Is valid only If an authorization
letter from the applicant is rovided)
Page 10 of 10

TEMPORARY
BUFFER IMPACTS
BUFFER IMPACT
NUMBER
REASON FOR IMPACT
STREAM NAME
BUFFER
MITIGATION
REQUIRED
ZONE 1
IMPACT (SF)
ZONE 2
IMPACT (SF)
131 -TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
7,212
0
132 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
7,228
0
63 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
6,527
0
134 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
0
661
_135-TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
993
0
136-TEMPORARY
OFF -LINE SLOUGH
TRIBUTARY
NO
5,589
0
B8 - TEMPORARY
OFF -LINE SLOUGH
TRIBUTARY
NO
0
116
1310 - TEMPORARY
OFF -LINE SLOUGH
MAINSTEM
NO
0
2,678
611 -TEMPORARY
OFF -LINE WETLAND
MAINSTEM
NO
3,290
0
B12-TEMPORARY
OFF -LINE WETLAND
MAINSTEM
NO
0
6,751
B16 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
1,324
0
B17-TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
3,540
0
B18 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
1,615
0
619 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
1,223
0
B20 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
3,179
0
TOTAL TEMPORARY
BUFFER IMPACTS
41,720
10,206
PERMANENT
BUFFER IMPACTS
BUFFER IMPACT
NUMBER
REASON FOR IMPACT
STREAM NAME
BUFFER
MITIGATION
REQUIRED
ZONE 1
IMPACT (SF)
ZONE 2
IMPACT (SF)
137 - PERMANENT
OFF -LINE SLOUGH
TRIBUTARY
NO
153
0
B9 - PERMANENT
OFF -LINE SLOUGH
TRIBUTARY
NO
0
280
B13 - PERMANENT
OFF -LINE WETLAND
MAINSTEM
NO
0
416
B14 - PERMANENT
OFF -LINE WETLAND
MAINSTEM
NO
0
66
B15 - PERMANENT
OFF -LINE WETLAND
MAINSTEM
NO
418
0
TOTAL PERMANENT
BUFFER IMPACTS1
571
762

Ardmore Park Stream
Enhancement Pre - Construction
Notification and Supporting
Documentation
Prepared for
City of Greensboro
Greensboro, NC
August 14, 2013

Ardmore Park Stream Enhancement Pre - Construction Notification
and Supporting Documentation
Prepared for
City of Greensboro, Greensboro, NC
August 14, 2013
Brown A .
Caldwell
5430 Wade Park Boulevard, Suite 200
Raleigh, NC 27607

Table of Contents
Listof Figures ...................................................................................................................... ............................... iii
Listof Tables ....................................................................................................................... ............................... iii
Listof Abbreviations ........................................................................................................... ............................... iv
ExecutiveSummary .............................................................................................................. ..............................v
1.
Project Location ............................................................................................................ ............................1
-1
1.1
Project Location ................................................................................................. ............................1
-1
1.2
Surrounding Land Use ....................................................................................... ............................1
-1
2.
Environmental Information ....................................................................................... ...............................
2 -1
2.1
Stream and Wetland Delineation ...................................................................... ............................2
-1
2.2
Existing Vegetation .......................................................................................... ...............................
2 -1
2.3
Threatened and Endangered Species .............................................................. ............................2
-2
2.4
Cultural and Historic Resources
-2
........................................................................ ............................2
2.5
FEMA ................................................................................................................... ............................2
-2
3.
Project Description
3-1
.................................................................................................... ...............................
3.1
Existing Conditions .......................................................................................... ...............................
3 -1
3.2
Project Purpose and Need ................................................................................. ............................3
-1
3.3
Project Details .................................................................................................... ............................3
-2
3.4
Design Alternatives
3 -2
......................................................................................... ...............................
3.4.1 Alternative 1- No Action (Natural Recovery) ..................................... ............................3
-2
3.4.2 Alternative 2 - Stream Bank Stabilization ......................................... ............................3
-3
3.4.3 Alternative 3 -Stream Enhancement with Additional Water Quality Improvements..
3-3
3.5
Proposed Project
................................................................................................ ............................3
-4
3.6
Reference Reach ................................................................................................ ............................3
-6
3.7
Geomorphic Design Parameters ....................................................................... ............................3
-6
3.8
Restoration Planting
-7
.......................................................................................... ............................3
3.9
Avoidance and Minimization
............................................................................. ............................3
-8
3.10
Direct Jurisdictional Impacts ............................................................................. ............................3
-8
3.11
Compensatory Mitigation ................................................................................... ............................3
-9
4.
Limitations ................................................................................................................. ...............................
4-1
5.
References .................................................................................................................... ............................5
-1
Appendix A: Detailed Wetland Delineation Report ......................................................... ............................... A -1
Appendix B: Aquatic Assessment .................................................................................... ............................... B -1
Appendix C: Threatened and Endangered Species Database Information and Department of Cultural
ResourcesLetter ....................................................................................................... ............................... C-1
AppendixD: FEMA Map ...................................................................................................... ............................D -1
AppendixE: Design Drawings .......................................................................................... ............................... E -1
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Ardmore Park Stream Enhancement Pre - Construction Notification and Supporting Documentation Table of Contents
List of Figures
Located behind Figures Tab
Figure E -1 Ardmore Park Location Map
Figure 3 -1 Ardmore Park Stream Reaches
Figure 3-2 Reference Reach Site
Figure 3-3 Stream and Riparian Buffer Impacts Map
List of Tables
Table 3-1. Designed and Existing Geomorphic Calculations ........................................... ............................3 -6
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Table of Contents Ardmore Park Stream Enhancement Pre- Construction Notification and Supporting Documentation
List of Abbreviations
CWA
Clean Water Act
DEC
Dramby Environmental Consulting, Inc.
DCR
North Carolina Department of Cultural
SCM
Resources
FEMA
Federal Emergency Management Agency
FIRM
Flood Insurance Rate Maps
NC DWQ
North Carolina Department of Water Quality
NOAA
National Oceanic Atmospheric Association
PCN
Pre - Construction Notification
PFDS
Precipitation Frequency Data Server
PJD
Preliminary Jurisdictional Determination
PSD
Permit Support Document
SCM
Stormwater Control Measure
USACE
United States Army Corps of Engineers
USFWS
United States Fish and Wildlife Service
USGS
United States Geologic Survey
WOUS
Waters of the United States
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Executive Summary
The applicant, City of Greensboro (City) proposes to enhance 2,015 linear feet of stream channel (2 un-
named tributaries to South Buffalo Creek) within an existing recreational park, Ardmore Park (Park), in
the City. The approximate 6 -acre site is located within the South Buffalo Creek drainage basin in
Guilford County. The Park is linear in shape with a north -south orientation, and is bordered to the north
by residential properties, to the east by Belmar Street, to the south by office buildings, and to the west by
Swan Street and residential properties (Figure E -1).
Sections 401 and 404 of the Clean Water Act (CWA) require that any discharges of dredge or fill material
into waters of the U.S. (WOOS), including wetlands, require a permit from the State and the U.S. Army
Corps of Engineers ( USACE). Since stream impacts (although self- mitigating), and Jordan Lake Stream
Buffer impacts are required for this project, the applicant is required to submit a Pre - Construction
Notification (PCN) for approval of a USACE Nationwide Permit 27 and associated N.C. Division of Water
Quality (NC DWQ) General Water Quality Certification #3885 for aquatic habitat restoration,
establishment, and enhancement activities. It should be noted that no known threatened or endangered
species or their habitat exist within the project site. Additionally, no known historic structures or
archeological features exist within the project site. A detailed wetland delineation was performed by
Dramby Environmental Consulting, Inc. (DEC), which was field - verified by the USACE on September 25,
2012. Based on fieldwork conducted by DEC, wetlands are not present onsite; only tributaries were
found to exist within the study corridor. Section 2 provides additional information on the wetland
delineation and habitat assessment performed on the project site. Based on correspondence with the
USACE, the Preliminary Jurisdictional Determination will be issued with the Nationwide Permit 27.
The design team has attempted to avoid and minimize impacts to streams to the maximum extent
practicable while still maintaining the project purpose and need which is to use natural channel design
principles to stabilize and enhance the subject streams and to protect adjacent utility infrastructure. The
stream enhancement will result in a net increase of 5O linear feet of stream channel. Despite avoidance
and minimization efforts, the following impacts to streams and Jordan Lake Riparian Buffers will occur.
• 1,676 linear feet of permanent stream channel impacts
• 0.03 acres of permanent impacts to unmaintained riparian buffer
• 1.19 acres of temporary impacts to unmaintained riparian buffer for stream enhancement
construction, equipment staging, and other construction disturbances, and
• 0.95 acres of temporary impacts to maintained riparian buffer for stream enhancement
construction, equipment staging, and other construction disturbances.
Areas of temporary unmaintained riparian buffer impacts will be restored and re- vegetated with native
riparian tree and shrub species and seeded with appropriate vegetative seed mix. Areas of temporary
maintained riparian buffer impacts will be restored and re- vegetated with an appropriate lawn seed mix
similar to the current condition of the Park. Indirect impacts will be minimized through implementation
of a State- approved erosion and sediment control plan.
Mitigation is not being proposed for this project, as this activity is self- mitigating resulting in an overall
increase in stream function and value. Additionally, mitigation is not being proposed for impacts to the
Jordan lake Buffer based on proposed activities discussed during a pre-application meeting with NC
DWQ.
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Executive Summary Ardmore Park Stream Enhancement Pre- Construction Notification and Supporting Documentation
The applicant is seeking authorization under the General Water Quality Certification #3885 from the NC
DWQ and the USACE Nationwide Permit 27. The enclosed PCN and following sections of this Permit
Support Document (PSD) provide a detailed description of the project and avoidance and minimization
efforts.
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Section 1
Project Location
1.1 Project Location
The approximate 6 -acre project site is located within the South Buffalo Creek drainage basin in Guilford
County, North Carolina. The project site is situated within the Park, and is generally bounded by South
Holden Road to the west, Belmar Street to the east, Immanuel Road to the north, and Interstate 40 (1-
40) to the south. Site access can be obtained utilizing both Hayden and West Florida Streets within the
study area, which bisects the unnamed tributary to South Buffalo Creek (Mainstem) in two locations.
The project site is located within the Piedmont Physiographic Province, which consists of generally
rolling, well - rounded hills and ridges with a few hundred feet of elevation difference between hills and
valleys. Elevations in the Piedmont range from 300 feet above sea level to 1,500 feet
1.2 Surrounding Land Use
The Park is linear in shape with a north -south orientation, and bordered to the north by residential
properties, to the east by Belmar Street, to the south by office buildings, and to the west by Swan Street
and residential properties. The usable park area and amenities are located on the east side of the Park
property with the Mainstem located west of the usable park area. The Mainstem is split by two road
crossings: one at West Florida Street and the second at Hayden Street An unnamed tributary to the
Mainstem (Tributary) enters the Mainstem approximately 120 linear feet upstream of the West Florida
Street culvert. Both systems are located in a highly developed urban watershed and have severely
eroded and incised channels due to frequent storm events with large flow volumes, low times of
concentration, minimal stream bank vegetation, and the absence of stormwater control measures
(SCMs).
The drainage area at the downstream limits of the Park is approximately 290 acres, with approximately
46% impervious cover. The land use of the watershed consists of industrial and commercial
development in the upper portion of the drainage area and mixed residential in the lower portions of the
drainage area. With the combination of a heavily developed watershed and no SCMs, the Mainstem has
become incised and channelized with severe erosion on both banks. Similarly, water quality has been
impacted from bank erosion and stream incision that has occurred.
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Section 2
Environmental Information
2.1 Stream and Wetland Delineation
DEC conducted a detailed wetland and stream investigation on the property to determine the presence
of jurisdictional WOUS subject to Sections 404 and 401 of the Clean Water Act The detailed wetland
delineation report and data sheets are located in Appendix A. The wetland and stream delineation was
completed in May 2012 and followed the USACE Wetlands Delineation Manual (Environmental
Laboratory, 1987) and technical criteria outlined in the Regional Supplement to the Corps of Engineers
Wetland Manual: Eastern Mountains and Piedmont Region (Version 2.0). Two perennial streams
(Mainstem and Tributary) were identified and delineated and no wetlands were found on the project site.
The USACE field- verified the wetland delineation on September 25, 2012 and will issue the Preliminary
Jurisdictional Determination with the Nationwide 27 Permit.
An aquatic assessment was also conducted on the Mainstem and Tributary in order to provide baseline
biological data of the site. The baseline stream assessment was completed to sample the
macroinvertebrate community and perform a stream habitat assessment on July 23, 2012 (Appendix B).
The NC DWQ QUAL 4 methodology and the DWQ's Habitat Assessment methodology for streams located
in the Mountain /Piedmont physiographic provinces from NC DWQ's Standard Operating Procedures
Manual was used for these assessments. The assessments indicated the Mainstem and Tributary are
very stressed and rated as "Poor" under NC DWQ protocol standards. The Mainstem and Tributary had
primarily extremely tolerant organisms, a low species richness, and low taxa diversity rating.
2.2 Existing Vegetation
The forested riparian corridor on the right side of the Mainstem and along both banks of the Tributary is
fairly intact A few private residences and part of Swan Street encroach into Riparian Buffer Zones 1 and
2 of this otherwise intact buffer on the right bank. Riparian Buffer Zones 1 and 2 on the left side of the
Mainstem are primarily maintained as park and include an existing sanitary sewer main as part of this
maintained area. Native vegetation observed on site includes, but is not limited to:
• American beech (Fagus grandifolia)
• green ash (Fraxinus pennsylvanica)
• red maple, (Ater rubrum)
• sweet gum (Liquidamber styraciflua)
• American hornbeam (Carpinus caroliniana)
• yellow poplar (Liriodendron tulipifera)
• white oak (Quercus alba)
• willow oak (Quecus phellos)
• river birch (Betula nigra)
• American sycamore (Platinus occidentalis)
• flowering dogwood (Comus florida)
• silky dogwood (Comus ammonium)
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Section 2 Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation
• eastern redbud (Cercis canadensis)
• elderberry (Sambucus canadensis)
• strawberry bush (Euonymus americanus)
• slender woodoats (Chasmanthium laxum)
• deer- tongue grass (Dichanthelium clandestinum)
• fox sedge (Carex vulpinoide)
Exotic and invasive vegetation observed on site include, but are not limited to:
• kudzu (Pueraria lobata) oriental bittersweet (Celastrus orbiculatus)
• multiflora rose (Rosa multiflora) porcelain -berry (Ampelopsis brevipedunculata)
• greenbrier (Salix spp.) various turf grass species
• olive (Elaeagnus spp.)
2.3 Threatened and Endangered Species
A search was conducted for any known state or federal threatened and /or endangered species within
the vicinity of the proposed project. This preliminary search was conducted by consulting the United
States Fish and Wildlife Service (USFWS) Information, Planning and Consultation System
(httg:[ /www.fws.gov/ipac /ipac Details.html #list). The results of the database search are included in
Appendix C. No known.threatened and /or endangered species or their habitat is known to exist within
the project area.
2.4 Cultural and Historic Resources
A project review request was submitted to the N.C. Department of Cultural Resources (DCR) in June
2013 to obtain information on potential cultural and historical resources within the project area. Based
on a letter received from DCR, pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36
CFR Part 800, no historic resources exist which would be affected by the project. A copy of the letter is
provided in Appendix C.
2.5 FEMA
The Federal Emergency Management Agency (FEMA) Flood Insurance Rate Maps (FIRM) for Guilford
County dated June 18, 2007 (Community Panel Number 7853, Map Number 3710785300J) was
reviewed for 100 -year floodplain locations in relation to the project. The project site is not located within
the regulated 100 -year floodplain. The FEMA map is located in Appendix D.
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Section 3
Project Description
3.1 Existing Conditions
South Buffalo Creek has been included on North Carolina's 303(d) list for category 5 impaired waters
since 1998. The section of South Buffalo Creek between McConnell Road and US-70 was listed in 1998
for ecological /biological integrity for fish communities. In 2008, the section of South Buffalo Creek
between US-70 and the confluence with Buffalo Creek was added for copper and zinc. In the same year,
the section of South Buffalo Creek from the source to McConnell Road was listed for
ecological /biological integrity for benthos communities. In 2012, the section of South Buffalo Creek
from the source to McConnell Road was added to the 303(d) list for ecological/biological integrity for fish
communities. The Mainstem in the Park is upstream of McConnell Road and is within the section of
South Buffalo Creek where ecological /biological integrity of benthos and fish communities are listed on
the 303(d) list.
The Park consists of maintained turf, disturbed forested areas, playground areas, general park
amenities, two stream channels, and a mix of maintained and unmaintained riparian buffers.
Additionally, a sanitary sewer line is located adjacent to the stream within the Jordan Lake Riparian
Buffer. The length of Mainstem and Tributary within the Park property is approximately 1,800 linear feet
and approximately 215 linear feet, respectively.
The stream bed for both the Mainstem and Tributary range from bedrock to sand throughout the project
reach. The highly urbanized watershed results in flashy storm flows with low base flow between storm
events. Shear stress increases with depth during these flashy storm events and increases bank erosion.
As the water surface recedes back to base flow elevations, the eroded material from the stream banks
deposits in the lower gradient sections creating reaches of flat plane beds resulting in poor aquatic
habitat.
Geomorphic data was collected on the Mainstem and Tributary to better understand geomorphic
characteristics of the impaired streams. Data collected included measurement and survey of channel
cross-sections, longitudinal profiles, and dominant channel substrate consistent with the Rosgen
Mainstem Channel Classification Level II survey. Existing geomorphic data for the Mainstem and
Tributary are provided in Section 3.7, Table 3 -1-
All reaches have generally straight channels with limited meanders with poorly developed riffle -pool
complexes. These channels are incised, moderately entrenched with no bankfull bench, and limited
connection to the historic floodplain. There has been some tree loss on top of the banks and there is a
high risk for additional tree loss due to current bank erosion and widening of the Mainstem as it
attempts to create a new floodplain terrace. The banks are severely eroded and are contributing
sediment to the channels during storm events. These reaches are generally consistent with the Rosgen
"G4" stream type (Rosgen, 1996).
3.2 Project Purpose and Need
Staff from the City's Water Resources Department and Parks and Recreation Department partnered to
identify and assess stream reaches located within City -owned park lands for stabilization /enhancement
needs. The identified streams were assessed and ranked by City staff, and a priority list of candidate
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Section 3 Ardmore Park Stream Enhancement Pre - Construction Notification and Supporting Documentation
streams were identified for potential restoration, enhancement, or stabilization. The stream segments
located within City -owned land at Ardmore Park were identified as among the higher priorities for
restoration, enhancement, or stabilization because of the quality of the streams, location within the Park,
and close proximity to adjacent utility infrastructure.
The, project's purpose and need is to enhance approximately 2,015 linear feet of stream channel within
the Park property, including construction of two offline wetlands within the existing stream buffer to
improve water quality and protect existing utility infrastructure. Proposed wetlands will be constructed
with native vegetation in order to prevent permanent impacts to existing Jordan Lake Stream Buffers.
This project is necessary to address impairment issues; improve channel stability, water quality, and in-
stream habitat; protect adjacent infrastructure; improve safety and aesthetics; and provide educational
opportunities for the public.
3.3 Project Details
The City proposes to enhance two streams and their associated buffers within the Park. Enhancement
activities will include the following: the addition of meanders where feasible; incorporating in- stream
measures to improve stream stability; and planting native vegetation to improve bank stability and
enhance the existing riparian buffer. These design elements will prevent further degradation of the
streams while protecting adjacent utility infrastructure. Several design constraints, such as existing
utilities and narrow property corridors, are associated with this project. The City requested that the
design not require any access from private properties and minimize construction on private property. As
a result of the required enhancement activities, two temporary construction easements will be obtained.
Additionally, some construction equipment is required within stream channels and stream banks;
however, approved best management practices will be utilized and work will be completed in the dry. A
pump around with a dewatering device (e.g., silt bag) will be used to bypass stream flow around each of
the five construction area phases.
3.4 Design Alternatives
Based on the site constraints described above, the applicant evaluated three onsite project alternatives
to meet the purpose and need of this project Various design elements were considered throughout the
planning process in an attempt to avoid and minimize impacts to jurisdictional features to the maximum
extent practicable, while maintaining an environmentally and economically feasible project.
The applicant has reviewed potential options to offer the least environmentally damaging practicable
alternative that still meets the project's purpose and need as detailed below.
3.4.1 Alternative 1- No Action (Natural Recovery)
The no action alternative would allow natural forces to shape and restore both the Mainstem and
Tributary over time. This alternative may be suitable for some sections of stream that are not posing
health and safety risks to the general public or threat to expose underground utilities. This particular site
is actively eroding leaving several trees at risk of falling. Two areas of the stream are also actively
eroding closer to adjacent underground sanitary sewer pipes. Exposing the sanitary sewer lines would
put the pipes at risk of damage from floating debris hitting the pipes during larger storm events, causing
the potential release of raw sewage into the stream.
Since the Park is located along the entire unstable east side of the Mainstem, the Mainstem needs to be
repaired to avoid further erosion into the Park and further risk to Park users. The Mainstem and
Tributary are currently in a period of transition and the no action alternative will fail to address the
continued imbalance of channel dimensions, flows, erosion, or protection against loss of trees around
the Park or to the sanitary sewer lines. The channel will continue to incise down to a stable slope or to
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Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation Section 3
bedrock, and then erode outward as frequent high volume, high velocity storms repeatedly stress the
system. Instream habitat conditions are also likely to remain poor as a result of not improving any
instream stability or functions.
3.4.2 Alternative 2 - Stream Bank Stabilization
The City considered stream bank stabilization as an alternative; however, this alternative was
determined infeasible and did not meet the purpose and need of the project. Alternative 2 proposed
only stabilization activities for both streams. Stabilization would likely include grading to lay back stream
bank slopes for stabilization, stabilizing graded slopes with biodegradable erosion control matting, and
vegetating with native riparian plant species. However, in order to avoid a variable stream channel width
throughout the Park, grading of stream banks only was avoided as this activity would result in a loss of
useable Park area. Large amounts of earthwork would be required, which would not meet the request of
the City to avoid any further loss of the Park. Boulder toes, boulder vanes, vegetated soil lifts, or other
bioengineering methods would likely be used as part of the stabilization measures to create scour pools,
increase habitat for aquatic species, and reduce shear stress during bankfull flows.
Most importantly, implementation of only stabilization efforts will not change the profile of the Mainstem
and will not address the need to improve the poor instream habitat. Implementing only stabilization
would also do little to correct the problems with dimension, pattern, or profile. Because stabilization
does not correct the dimension, pattern, and profile, the Mainstem and Tributary would likely continue
being susceptible to extreme shear stress which can erode the stream banks even with armoring.
Stabilization may also do little to improve the poor variety of in- stream geomorphology, habitat, and
structure. '
3.4.3 Alternative 3 - Stream Enhancement with Additional Water Quality Improvements
Alternative 3 proposes stream enhancement activities which include changing the dimension, pattern,
and profile of the Mainstem and Tributary and adding floodplain benches to help reduce shear stresses
on the stream banks. The confined corridor prohibits restoring the sinuosity typical of a riffle -pool stream
type (Rosgen Type C), so the overall pattern would only be slightly augmented as part of this alternative.
The dimension of the Mainstem and Tributary would be altered to create a cross-section that mimics
bankfull dimensions and provides a bankfull floodplain where feasible. Reducing the cross - section area
for the baseflow channel would improve the sediment transport within the Mainstem and Tributary and
will help maintain clean bed substrates to benefit aquatic macroinvertebrate communities and habitat
Pools would also be designed, based on surveyed dimensions from the reference reach site, to provide
energy dissipation of higher stream flows and create additional habitat Various in- stream structures
would be placed throughout the Mainstem and Tributary to control the grade of the stream bed, create
scour pools to increase habitat for aquatic species, enhance the riffle -pool channel morphology, and
reduce shear stress during bankfull flows. The stream banks would be stabilized with biodegradable
erosion control matting and planting of native riparian species.
Alternative 3 also proposes two offline wetlands to improve water quality. The first created wetland is
proposed on the inside bend of the right bank at the confluence of the Tributary and Mainstem, and
would serve to capture and temporarily retain high flows from the Tributary (see Sheet C,8 in Appendix
E). it would be designed as a slough with an open channel inlet and outlet to minimize maintenance
needs and would be allowed to naturally re- vegetate and capture sediment The second wetland would
be designed in a naturally low -lying area behind a mufti-family housing development between West
Florida Street and Hayden Street. The offline wetland would capture approximately 3.2 acres of runoff
from the development that currently discharges through a 15 -inch reinforced concrete pipe (RCP) into an
upland area before reaching the Mainstem.
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Section 3 Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation
Based on the given site constraints, Alternative 3 will provide the most environmental and stabilization
benefits as evidenced through the following; water quality, in- stream habitat, and riparian buffer
improvements; and protection to the adjacent existing sanitary sewer lines. Alternative 3 also reduces
increased sediment loads downstream, provides a starting point for improving water quality in the
watershed, and provides educational opportunities to the public. Based on these reasons, Alternative 3
was selected as the preferred alternative for this project
3.5 Proposed Project
The proposed stream enhancement design, which minimizes disturbance to existing stream buffers to
the extent practicable, will incorporate the following design features and measures:
• constructing riffles and meanders to improve in- stream habitat;
• narrowing the base flow channel to increase the ability of the Mainstem and Tributary to transport
sediment;
• incorporating floodplain benches to reduce velocities and shear stress on the stream banks;
• adding boulder vanes, boulder cross vanes, and boulder walls for stabilization and to improve in-
stream habitat; and,
• constructing two offline wetlands to improve water quality
The existing and proposed conditions were modeled using the USACE HEC -RAS River Analysis System,
version 4.1 to compare the changes to the existing water surface elevations as a result of the proposed
stream enhancements. A requirement of the City was to not raise the 100 -year flood elevation on
private properties. The proposed project meets this requirement. The modeling was also used to ensure
proper stabilization matting was selected to protect the proposed streambanks under the new flow
conditions. Stabilization matting was selected to provide a factor of safety of at least 1.3.
The Construction Plan and Profile (Sheets C-8 and G9 in Appendix E) show the proposed enhancement
measures for the project site. Portions of the existing incised channels on Reaches 1, 2, and 3 (Figure 3-
1) will be graded to create a new, stable stream and floodplain at the existing channel -bed elevation or
higher. Major constraints throughout the entire length of the project are the confined corridors of the
Mainstem in Reach 1 and not raising the elevation of the existing 100 -year flood elevation on adjacent
private properties. The confined corridor limits the available space to create floodplain benches in many
areas. The areas that are not as confined will consist of a riffle -pool stream type (Rosgen Type Q.
Speck enhancement measures for each reach consist of the following:
Reach 1- Station 0 +00 to 9 +50 (Sheet G8)
1. Grade existing eroded stream banks to a 2H:1V slope starting from the toe of bank due to existing
bedrock on channel bed.
2. Create slight meandering riffle -pool section using the geomorphic design parameters in Table 3-1
upstream of the pedestrian bridge. Riffles will be constructed with slopes ranging from 0.6 percent
to 1.5 percent and pools will have a depth of two to three feet The alignment was selected to avoid
grading on private property to the extent practicable on the right bank and to maintain• a buffer from
the existing sanitary sewer on the left bank. A vegetated soil lift is proposed on the outer bend of
the meander (Station 3 +50) to prevent the stream from migrating toward the existing sanitary sewer
and will extend approximately 150 linear feet downstream of the proposed meander to preserve a
40 -inch diameter oak.
3. Install boulder vanes in the meander complexes that will create scour pools to increase habitat for
aquatic species, enhance the riffle -.pool channel morphology, and reduce shear stress during
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Ardmore Park Stream Enhancement Pre - Construction Notification and Supporting Documentation Section 3
bankfull flows to allow the native woody vegetation to become established and provide additional
stabilization to the banks.
4. Install a boulder cross vane immediately upstream of the pedestrian bridge and upstream of the
West Florida Street culvert to stabilize the stream banks, dissipate and direct energy from higher
flows from the banks to the center of the channel, and establish a stable stream bed profile.
Reach 2 - Station 20 +00 to 22 +15 (Sheet C,8)
1. Slightly raise channel bed to create a riffle and pool at the confluence of the Mainstem in Reach 1.
2. Construct a minimum five -foot wide bankfull bench on the left bank to reduce shear stress during
higher flows.
Reach 3 - Station 10 +20 to 18 +52 (Sheet G9)
1. Install a boulder stacked wall on the left bank to stabilize the actively eroding bank along the
exposed existing bedrock stream bed. The boulder wall will be constructed to allow access to the
Mainstem by the public and can serve as a seating wall for park users. The bottom course of the
boulder wall will be anchored to the exposed bedrock for added stability.
2. Construct a meandering riffle -pool stream type using the geomorphic design parameters in Table 3-
1. Riffles will be constructed with slopes ranging from 0.5 percent to 1.6 percent and pools will have
a depth of two to three feet. The stream alignment will be shifted away from the Park and will
preserve as many of the existing canopy trees as practicable.
3. Install boulder vanes in pools -that will create a scour pool to increase habitat for aquatic species,
enhance the riffle -pool channel morphology, and reduce shear stress during bankfull flows to allow
the native woody vegetation to become established and provide additional stabilization to the banks.
4. Install a boulder cross vane upstream of the Hayden Street culvert to stabilize the stream banks, to
dissipate and direct energy from higher flows from the banks to the center of the channel, and
establish a stable stream bed profile.
5. Enhance existing plunge pool immediately downstream of Hayden Street by stabilizing the toe of
bank and re- grading the side slopes.
6. Construct a short riffle -pool complex by realigning the channel away from the existing sanitary sewer
on the left bank and constructing a vegetated soil lift (Station 17 +00) on the outer bend of the
meander to further protect the adjacent sanitary sewer line.
Two offline water quality improvement wetlands are proposed as part of this project. Both of these
measures will be located adjacent to the stream channels and will serve to improve water quality from
runoff in the drainage area. The proposed wetlands include: an offline slough that will receive flows from
the Tributary and will connect to the Mainstem and an offline wetland that will treat currently untreated
runoff from an adjacent development before entering into the Mainstem. Each wetland area will be
designed to minimize land disturbance and maximize pollutant removal to the extent practicable. The
offline slough and wetland will be allowed to return to their natural state without scheduled
maintenance.
The slough is proposed on the inside bend at the confluence of the Tributary and the Mainstem. The
slough is designed to capture flows from smaller storm events for treatment and provide minimal long-
term storage from higher storm flows. The slough will be served by two, three -foot wide trapezoidal
channels as the inflow and outflow that will be lined with appropriately sized riffle bed material to mimic
a natural stream bed. The slough will be planted with native riparian vegetation and be allowed to
naturally re-establish as part of the riparian buffer. This feature is located within Zones 1 and 2 of the
riparian buffer and can be found on C-8 in Appendix E.
BrownmCaldwell
3-5
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Section 3 Ardmore Park Stream Enhancement Pre - Construction Notification and Supporting Documentation
The second facility is an offline wetland located on the right bank of the Mainstem, between West Florida
Street and Hayden Street, and is proposed to capture and treat runoff from the upslope development.
There is a natural low area in this location that is currently vegetated with trees and shrubs. This low
area receives piped runoff from a 3.2 -acre drainage area that consists of a multi- family housing
development located approximately 200 feet west of the Mainstem. Runoff from the development is
through a 15 -inch RCP and discharges onto riprap that eventually becomes sheet flow across the
existing riparian area. The offline wetland is proposed to be constructed in the Zone 2 riparian buffer
with an open channel step -pool structure outfalling into the Mainstem located in Zone 1. This feature
can be found on Sheet C-9 in Appendix E.
3.6 Reference Reach
Natural channel design relies on the characteristics (i.e., cross - section, plan form, and profile) of a stable
stream located in a watershed -of similar drainage area, land use, and geologic characteristics. A
desktop analysis was performed to delineate and locate watersheds near the Park with similar drainage
area and land use to the Park site. Three sites were identified near the project site that had streams
within City-owned property that could be accessed without prior approval. Site visits were made to the
three sites to identify stable sections of streams that could be used as reference reach data. Only one
site was found to possess a reach of stream that was stable and could be used as a reference site. This
reference reach is on an unnamed tributary to Mile Run Creek (Figure 3-2), located east of South Elm
Eugene Street and north of West Florida Street approximately three miles east of Ardmore Park. This
specific reference reach was selected due to the similarities in drainage area, land use types, geology,
and a stable reach of stream. The riparian buffers along this reference reach were intact on the right
bank with multistory vegetation. The left bank included a maintained sanitary sewer easement with a
variable offset from the reference stream reach. The section of stream used for the reference reach had
woody vegetation at the top of bank with stable stream banks.
Data collected on the reference reach included a longitudinal profile; two riffle cross - section; one pool
cross-section; two riffle pebble counts; one lateral bar pebble count; multiple photographs; and field
notes regarding the overall conditions of the stream. The reference site contained a stable riffle /pool
complex consisting of three riffles and two pools. The average slope of the three riffles is 2.4 percent,
ranging from 19 percent to 2.8 percent. The width of the riffles ranged from four to seven feet and the
width of the pools ranged from nine to 15 feet. The applicable geomorphic measurements at this
reference reach are also shown in Table 3-1 below. Measurements were not collected for all parameters
since they were not available within the selected reach.
3.7 Geomorphic Design Parameters
Table 3-1 below presents the geomorphic design parameters applied to the natural channel design
process:
Brown mcaldwetl
3-6
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Designed
Reach i
Existing
Reach i
and Existing Geornorphic Calculations
Designed E*Ung Designed
Reach 2 React 2 Reads 3
Existing
Reach 3
Reference Reach
Drainage Area (Acre)
152.5
153
78.2
78 287.9
288
294
Malrubm Type (Rosgen)
B
G4
C
G4
C
G4
-
War (Banldull width In feeQ
15
18.4
12
9
20
20.2
25.7
Dw(Banldull mean depth In feeQ
2.5
IA
2.0
1.9
2.5
L8
2.2
Brown mcaldwetl
3-6
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Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation Section 3
Table 3-1.
Designed
Reach 1
Designed
Existing
Reach 1
r Existing Geomorphic Calculations
Designed Existing Designed Existing
Reach 2 Reach 2 Reach 3 Reach 3
Reference Reach
Vike (Width of floodpmne area)
40-90
23
30
20
33 -50
40
110
Amm (K -sect Area) - Wwx Dw
37.5
23.0
24
17.1
50
36.4
56.5
Ww/Dwratio
6.0
11.7
6.0
4.7
8.0
11.2
11.7
Wfpq/Wuuoftrichmentratio)
2.7 -6
1.4
2.5
2.2
1.7 -2.5
2.0
4.3
Dmea (Max. depth at bankfulQ
2.5
2.0
2.0
2.3
2.5
2.5
2.6
Dmw* (Max depth at top of bank)
3-6.5
5.5
5.0
6.0
5.0.8.5
6.0
4.5
Dmm,/Dam(Ma). depth ratio)
1.0
1.4
1.0
1.2
1.0
1.4
1.2
Dmmmm /Dm (Bank ht ratio)
1.2 -2.6
2.8
2.5
2.6
2.0 -3.4
2.4
L7
Lm (Meander length In feeQ
42 -50
25
52
-
32-64
12
-
Rc (Radius of Cum byre In feeQ
61-80
35
67
-
34413
25
-
W6t (Belt width in feet)
30
200
--
-
11 -26
140
-
K (Sinuosity)
1.0
1.0
1.0
1.0
1.1
1.1
0.8
Lm/Ww(Meanderlength ratio)
2.8 -3.3
1.52
4.3
-
1.6.3.2
0.59
-
Rc/Ww (Ratio of curvature ratio)
4.1 -5.3
2.13
5.6
-
1.7 -4.2
1.24
--
Ww/Wam(Meanderwldth ratio)
2
12.20
--
-
0.6 -1.3
6.93
-
Sw (Valley slope) (%)
0.6
0.5
0.4
1.5
1.2
0.6
0.7
Sdmn (Channel slope) (%)
0.6
0.4
0.4
1.4
1.2
0.9
0.8
Sit OWe slope) (%)
0.7 -3.0
1.2
0.5
-
0.9 -1.8
0.1
1.9 -2.8
Spm (Pool slope) (%)
0.0
0.0
0.0
-
0.0
0.0
0.0
Sme (Run slope) (%)
-
1.6
--
-
-
-
0.1
sow (Glide slope) (%)
-
--
-
-
-
-
3.4
SwISdma (Riffle slope ratio)
1.2 -5
2.8
1.3
-
0.8 -1.5
0.2
2.4 -3.5
SMWSd= (Pool slope ratio)
0.0
1.4
0.0
-
0.0
-
0.0
Sw/Sdmn (Run slope ratio)
-
3.7
-
-
-
-
0.1
Smt mn (Glide slope ratio)
-
-
-
-
-
-
4,3
Dmopw (Max. pool depth in feeQ
2.0 -3.0
1
2-3
-
2-3
-
1.6
Wpm (Width of pool In feeQ
7 -13
10
7
-
7
-
5-16
Lpm (Length of pool In feeQ
40-64
27
58
-
33-66
-
24-43
Lps (Pool to pool spacing In feeQ
33 -112
200
-
-
16.51
--
30.42
Apm(Pcol area) - Wpmx Loos
280 -832
270
406
-
231
--
124 -688
Dm ood/Dw (Max. pool depth ratio)
0.8 -1.2
0.71
1.0 -1.5
-
0.8 -1.2
-
0.7
- Not Applicable
3.8 Restoration Planting
Four planting zones are proposed as part of the stream enhancement and offline slough and wetland:
BrownwCaldwell
3-7
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Section 3 Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation
1. Riparian -areas from toe of stream bank to top of stream bank and side slopes of the stormwater
wetlands.
2. Upland -from top of stream bank including all upland areas as part of the unmaintained riparian
buffer.
3. Wetland - includes the bottom area of the proposed offline slough and wetland areas.
4. Maintained /Lawn - includes areas in the Park outside of designated riparian zones.
All zones, except the maintained zone, will be permanently stabilized using a mixture of native plant
species suitable for each of the three planting zones. These zones will be planted with a mixture of
containerized plants, containerized tublings, plugs and live stakes for the tree and shrub species, and
seed mix for herbaceous species. Herbaceous material for the offline slough and wetland will consist of
shrubs and a wetland seed mix. The plant selection will include the native species observed on site
during the site assessment and supplemented with other native species indicative of the region that will
provide added stabilization to the stream banks, added habitat, shade the Mainstem and Tributary to
help reduce water temperatures, and provide visual interest for Park users. Plants will also be selected
to preserve views to the Mainstem from the Park. The Maintained /Lawn zone plants will be selected to
be consistent with the existing turf species at the Park. The Planting Plan for the four zones is shown on
Sheet C -19 in Appendix E.
3.9 Avoidance and Minimization
In an attempt to avoid and minimize impacts to WOUS to the maximum extent practicable, as described
in the alternatives analysis, the applicant evaluated several project design options. Based on
engineering evaluations, environmental impacts, and costs, the preferred alternative is the least
environmentally damaging practicable alternative that meets the projects purpose of enhancing and
stabilizing deteriorating streams within the Park and protecting adjacent utility infrastructure. A State -
approved erosion and sediment control plan will be followed to further minimize impacts to jurisdictional
features.
Stream enhancement has been divided into five phases of construction to limit the amount of disturbed
area at one time in the stream channel and in upland areas. Each phase will be permanently stabilized
with the appropriate permanent seed mix and stabilization matting before construction will commence in
the next phases. Installation of trees and shrubs will occur once all phases of construction are
complete.
A pump around with a dewatering device (e.g., silt bag) will be used in each phase of construction to
bypass clean upstream flow around the construction area and to treat sediment laden water within the
construction area prior to releasing into the stream, downstream of the current phase of construction.
Silt fence, temporary construction entrances, and temporary and permanent vegetation will also be used
in each phase of construction to further control erosion and sediment runoff that may occur within the
project limits. Tree protection will also be used to protect desired trees and groups of vegetation
selected to remain as part of the project.
3.10 Direct Jurisdictional Impacts
The design team has attempted to avoid and minimize impacts to WOUS to the maximum extent
practicable, while still maintaining the project purpose. Despite avoidance and minimization efforts, the
following stream and Jordan Lake Buffer impacts are required:
1,676 linear feet of permanent stream channel impacts;
0.03 acres of permanent impacts to unmaintained riparian buffer,
BrownmCeldwell
3-8
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Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation Section 3
1.19 acres of temporary impacts to unmaintained riparian buffer for stream enhancement
construction, equipment staging, and other construction disturbances; and
• 0.95 acres of temporary impacts to maintained riparian buffer for stream enhancement
construction, equipment staging, and other construction disturbances.
Areas of temporary unmaintained riparian buffer impacts will be restored and re- vegetated with native
riparian tree and shrub species and seeded with appropriate vegetative seed mix. Areas of temporary
maintained riparian buffer impacts will be restored and re- vegetated with an appropriate lawn seed mix.
Indirect impacts will be minimized through implementation of a State- approved erosion and sediment
control plan. A detailed impacts map is provided as Figure 3-3.
This project is not expected to impact public water supply, any shellfish harvesting area, spawning
grounds, waterfowl habitat; nor jeopardize threatened or endangered species, of which we are aware;
nor disrupt the movement of aquatic life. Therefore, this activity should not cause or contribute to
significant degradation of WOUS, nor should the activity adversely or substantially affect human health
or welfare; life stages of organisms dependent upon the aquatic ecosystem; ecosystem diversity,
productivity, or stability; or significantly degrade recreational, aesthetic, or economic values.
3.11 Compensatory Mitigation
Mitigation is not being proposed for this project, as this activity is self - mitigating resulting in an overall
increase in stream function and value. Additionally, mitigation is not being proposed for impacts to the
Jordan Lake Buffer based on proposed activities discussed during a pre - application meeting with NC
DWQ.
BrownAwCaldwell
3-9
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Section 4
limitations
This document was prepared solely for City of Greensboro in accordance with professional standards at
the time the services were performed and in accordance with the contract between City of Greensboro
and Brown and Caldwell dated March 8, 2012. This document is governed by the specific scope of work
authorized by City of Greensboro; it is not intended to be relied upon by any other party except for
regulatory authorities contemplated by the scope of work. We have relied on information or instructions
provided by City of Greensboro and other parties and, unless otherwise expressly indicated, have made
no independent investigation as to the validity, completeness, or accuracy of such information.
Brown -wCaldwell
41
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Section 5
References
City of Greensboro Stormwater Management Division, Stormwater Management Manual, l June 2009.
Doll, Barbara A, G.L. Grabow, K.R.Hall, J. Halley, W.A.Harman, G.DJennings, and D.E.Wise, Stream Restoration: A Natural
Channel Design Handbook, North Carolina Stream Restoration Handbook
Leopold, Luna. A View of the River, Cambridge, Mass., Harvard University Press, 1994.
Montgomery, David R. and Buffington, John M, Channel Classification, Prediction of Channel Response, and assessment
of Channel Condition, Department of Geological Sciences and Quaternary Research Center, University of
Washington, Seattle, WA, June 24, 1993.
North Carolina Division of Water Quality. 2012 North Carolina 303(d) Usts - Category 5.24 August 2012, pp. 4.
North Carolina Division of Water Quality, Jordan Lake Water Supply Watershed Buffer Rules (15A NCAC 02B.0267), Eff.
August 11, 2009.
North Carolina Division of Water Quality. Stormwater Best Management Practices Manual. Jury 2007.
Robbins, J.C., and Pope, B.F., 1996, Estimation of flood - frequency characteristics of small urban streams in North
Carolina: U.S. Geological Survey Water - Resources Investigations Report 96 -4084, 21 p.
Rosgen, D.R. 1996. Applied River Morphology, Wildland Hydrology. Pagosa Springs, CO.
Rosgen, D.R., 1997. A geomorphological approach to restoration of incised rivers, p.12 -22 in Proceedings on
Management of landscaped Disturbed by Channel Incision, 1997, S.S.Y. Wang, E.J. Langendoen, and E.D. Shields,
Jr. (eds).
Rosgen, David L. A Stream Channel Stability Assessment Methodology. Proceedings of the Seventh Federal Interagency
Sedimentation Conference, Vol. 2, pp. 11- 18-26. March 25-29, 2001. Reno, Nevada.
BirownwCaldwell;
54
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Legend
Wr
Reach 2
Reach 3
Street Centerline
arm
Project Limits
for,
ZA�
V
0 k
7K
007' W7
Figure 3-1 BrownAN[)
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Legend
Reference Reach
r
Streams
Street Cen
terline
VI
0 100 200 400
`�
wl,
•'r
_,

INSET'A'
' BELMAR STREET
W MB79- TEMPORARY IMP /
M818-TEMPORARY IMPACr � `_ 6 1, 6- TEMPORARYWP- ACT W / 211" —MB18•TEMPORARY WACT `
7
—_ ____�- ♦ .. `- ij7- TEI�ORARY IMP ^ ; Q� ZONE 2 RIPARIAN BUFFER(TYP.)
MBISTENIPORARY
ZONE 1 RIPARIAN BUFFER(
_ _� ��. \_ - �H� 'wd-i 'h t- s 1 .,.. ,�, %r��q -a- l�Y� \*'�k: �r stu'+• _r• "'� ` 1 i / ���__ ` - -__ 1 �� v
MB14- TF:MPdRAM'6APACT � '' 1 ..,{' `y14. f,'!� ��L�'ii3.. .r �, ".�`ti•� ;c�Jv�, ilfi7�"�i. // �/ � ; - - -�_ _
WALL TEMPORARY IMPACT y '4w r 7 'ty,bt 1••• '� _ _ _ _ B20-
.•��I �# .ry�$!: 1: .t,. 1 :yrtA��.��'• aF'- ;'=���, ,G'i, v •M�;.
r • BOULDER CROSS �' °� �" A
•.y")U �, BOULDER VANE VANE i 7
_
Al f'1 i � �: a„ � 111 � I ti,�'f,Ta•Fi ':aya:� I ? +. �___� -� �,- �'..,�-
BOULDER VANE
as
� ' u. .� \ 1t 'lam �+•'}i
1 '
P: \GREENSBORO \140976 — ARDMORE PARK STREAM RESTORATION \CAD \3 — SUBMITTALS \PERMIT FIGURES\ 1 40976—BUFFER AND STREAM IMPACTS.DWG 08/09/2013 04:38:48PM By:bnash XREFS: Model —New
140976— Basemop—Revised
FIGURF (STD)22X34 Lavout: C -6
LEGEND
I TYPE OF
IMPACT
a]
TEMPORARY STREAM IMPACT
21,628 SF (0.49 AC)
RIPARIAN BUFFER IMPACT TYPE
IMPACT AREA
(SF /AC)
0 40 80
41,720 SF (0.96 AC)
TEMPORARY ZONE 1 BUFFER IMPACT
571 SF (0.01 AC)
MAINTAINED ZONE 1 TEMPORARY IMPACT
26,231 SF (0.60AC)
SCALE: H 1:40
10,206 SF (0.23 AC)
PERMANENT ZONE 1 BUFFER IMPACT
762 SF (0.02 AC)
MAINTAINED ZONE 2 TEMPORARY IMPACT
TEMPORARY MAINTAINED ZONE 1 BUFFER IMPACT
1,40610.03
S3 PERMANENT! RELOCATION
MAINSTEM
PERENNIAL
TEMPORARYZONE 2 BUFFERIMPACT
373
5,60310.13
PERMANENT ZONE 2 BUFFER IMPACT
MNNSIEM
PERENNWL
TEMPORARY MAINTAINED ZONE 2 BUFFER IMPACT
PROJECT INFORMATION
EXISTING STREAM LENGTH 1,933 LF
PROPOSED STREAM LENGTH 1,983 LF
IMPACTS SUMMARY TABLE
STREAM IMPACT TYPE
I TYPE OF
IMPACT
PERMANENT IMPACT 1,676
LF
21,628 SF (0.49 AC)
RIPARIAN BUFFER IMPACT TYPE
IMPACT AREA
(SF /AC)
ZONE 1 TEMPORARY IMPACT
41,720 SF (0.96 AC)
ZONE 1 PERMANENT IMPACT
571 SF (0.01 AC)
MAINTAINED ZONE 1 TEMPORARY IMPACT
26,231 SF (0.60AC)
ZONE 2 TEMPORARY IMPACT
10,206 SF (0.23 AC)
ZONE 2 PERMANENT IMPACT
762 SF (0.02 AC)
MAINTAINED ZONE 2 TEMPORARY IMPACT
15,184 SF (0.35 AC)
PFAMA1B4T STREAM IMPACTS
STREAM IMPACT
HUMBER
I TYPE OF
IMPACT
STREAM
NAME
STREAM
TYPE
AVERAGE
WDTH (LF)
IMPACT
LENGTH (LF)
IMPACT AREA
(SF /AC)
$1 - PERMANENT
RELOCATION
MAINSTEM
PERENNIAL
13.9
734
10,212/0.23
S2_ -_ PERMANENT RELOCATION
_TRIBUTARY
_
PERENNIAL
4.3
325
1,40610.03
S3 PERMANENT! RELOCATION
MAINSTEM
PERENNIAL
15.0
373
5,60310.13
S4 - PERMANE RELOCATION
MNNSIEM
PERENNWL
16.0
244
4.407/0.10
TOTAL TEMPORARY STREAM IMPACTS
1,676
21,62810.46
TEMPnRARY MAIMrAIMCn;mwFFp IMPACTS
BUFFER IMPACT
NUMBER
REASON FOR IMPACT
STREAM
NAME
BUFFER
RECI MITIGATION
REQURED
ZONE 1
IMPACT (SF)
ZONE 2
RAPACT(SF)
MB1 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
224
0
MB2- TEMPORARY
MB3 - TEMPORARY
STREAM ENHANCEMENT
STREAM ENHANCEMENT
MAINSTEM
MAINSTEM
NO
0
1.062
NO
218
0
M84 TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
462
0
M85 -TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
0
2,000
MBB TEMPORARY
MB7 TEMPORARY
STREAM ENHANCEMENT
STREAM ENHANCEMENT
MAINSTEM
MAINSTEM
NO
388
0
NO
3,283
_
0
MB8 TEMPORARY
STREAM ENWNCEMENT
MAINSTEM
NO
0
374
MB9 TEMPORARY
67REAM ENHANCEMENT
MAINSTEM
NO
887
0
MB10- TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
132
0
ME! 11 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
NO
NO
III=
0
0
0
2,278
1,142
_M812 -TE ORARY
STREAM ENHANCEMENT
MAINSTEM_
M813 - TEMPORARY
STREAM ENRP.NCEMENT
MAINSTEM
MB14 - TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
7,453
0
MB15 TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
0
97
M816- TEMPORARY
M817- TEMPORARY
STREAM ENHANCEMENT
STREAM ENHANCEMENT
MAINSTEM
MAINSTEM
NO
0
6156
0
NO
1,291
M018- TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
19716
0
MB19- TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
0
2.023
MB20- TEMPORARY
STREAM ENHANCEMENT
MAINSTEM
NO
734
0
TOTAL TEMPORARY MAINTAINED BUFFER IMPACTS
26,231
18,184
STREAM AND RIPARIAN BUFFER
IMPACTS MAP
DATE PROJECT NUMBER
CITY OF GREENSBORO AUGUST 10, 2013 140976
ARDMORE PARK
STREAM ENHANCEMENT BrownANDCaidwelt
RALEIGH, NORTH CAROLINA

Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation
Appendix A: Detailed Wetland Delineation Report
BrownwCaldwell
A -1
Use of contents on this sheet Is subject to the limitations specified at the end of this document
P. \Greensboro \140976 - Ardmore Park Stream Restoration \300- Permittng\010-404_401 Permitting \PCN\Ardmore PION Support Documentdocx

Dramby Environmental Consulting, Inc.
August 8, 2012
U. S. Army Corps of Engineers
Raleigh Field Office
Attn: Mr. Andrew Williams
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Re: Request for Preliminary Jurisdictional Determination
Ardmore Park Wetland Delineation, Guilford County, NC
Latitude: N 36.OS298 Longitude: W 79.83916
Mr. Andrew Williams:
DRAMBY
ENVIRONMENTAL
CONSULnNG
Dramby Environmental Consulting, Inc. (DEC) has been contracted by Brown and Caldwell
(Client) to perform a detailed wetland investigation for the Ardmore Park stream enhancement
project located in Guilford County, North Carolina (Figure 1). The subject property is generally
bounded by South Holden Road to the west, Belmar Street to the east, Immanuel Road to the
north, and Interstate 40 (1-40) to the south. Site access can be obtained utilizing both Hayden
and West Florida Street within the study area, which bisects the mainstem tributary (unnamed
tributary to South Buffalo Creek) in two locations (Figure 2). On behalf of the Client, DEC is
requesting a preliminary jurisdictional determination of wetlands and other water features
within the flagged wetland delineation boundary. Information required by the U.S. Army Corp
of Engineers (USACE) and a brief site description are presented below.
Methodology
DEC applied the technical criteria outlined in the Regional Supplement to the Corps of Engineers
Wetland Delineation Manual: Eastern Mountains and Piedmont Region (Version 2.0) and
associated guidance to identify jurisdictional boundaries within the property (USACE 2012).
Fieldwork was completed in May of 2012. Wetland (or other water feature) flags were placed in
the field and numbered sequentially to provide an onsite record of the wetland delineation. A
wetland delineation map was generated by surveying the flagged wetland boundaries by a
North Carolina licensed surveyor. Data point sampling was conducted within the project study
area and is attached. Representative site photographs were taken and are also included as an
attachment.
Site Description
Based on the Natural Resources Conservation Service (NRCS) Web Soil Survey (WSS)
( htta:/ /websoilsurvev.nres.usda.itov/ai3 ),the site is predominantly underlain by the Enon-
Urban Land Complex, 2 -10% Slopes (EuB) and the Mecklenburg- Urban Land Complex, 2 -10%
Slopes (MuB). Of these, the Enon soil unit is mapped as a hydric soil in Guilford County. A
review of the U.S. Fish and Wildlife Service National Wetlands Inventory (Wetlands Mapper
Dramby Environmental Consulting - 4812 Bristol Circle - Williamsburg, VA 23185 - (757) 894 -1673

Mr. Andrew Williams
Raleigh Field Office
August 8, 2012
Page 2 of 2
http: / /www.fws.gov /wetlands /Data /Mapper.html) shows no wetlands present within the
project study area.
The on -site wetland delineation determined that no wetlands were found to be present
onsite; however, two unnamed perennial stream tributaries of South Buffalo Creek were
Identified within the project study area (Figure 3). The presence of the ordinary high water
mark in both the tributary locations is consistent and well defined, with characteristics including
changes in the character of the soil, sediment sorting, multiple observed flow events, and an
overall established bed and bank. Substrates of the tributaries consist of a combination of sands
that varied in particle size with a mixture of small cobble, gravel, and boulder material. Both
tributaries were highly incised, with severe erosional scarring present on both banks. In
addition, large areas of sedimentation were identified in multiple locations, thus reducing the
potential habitat and interstitial space that is commonly used by many macroinvertebrate and
fish species.
Vegetative species present onsite consist of American beech (Fagus grandifolia), green ash
(Fraxinus pennsylvanica), red maple (Acer rubrum), sweet gum (Liquidambar styraciflua),
American hornbeam (Carpinus carohniona), yellow poplar (Liriodendron Lulipifera), white oak
(Quercus alba), southern sugar maple (Ater barbatum), American holly (Ilex opaca), and
Christmas fern (Polystichum acrostichoides), among others. Most soils throughout the site did
not meet any hydric soil indicators and indicators of wetland hydrology were largely absent
within the study area.
Confirmation Request
We would like to arrange an on -site meeting with you to review the DEC wetland delineation
and to answer any questions you may have. In the interim, if you have any questions or require
any additional information, please do not hesitate to contact me at (757) 894 -1676.
Sincerely,
DRAMBY ENVIRONMENTAL CONSULTING, INC.
Kristoffer J.G. Dramby, CWB®, PWS, CE
Senior Scientist
Enclosures
cc: Mr. Ben Nash, RLA — Brown and Caldwell, Senior Watershed Scientist
Mrs. J. Sheann O. Dramby — DEC, Principle /Senior Regulatory Specialist

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LEGEND v
PROJECT STUDY AREA - 8.1 ACRES \
\ \ \ 0 A / / / O STREAM CHANNEL - 1,875 LINEAR FOOT \
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FIGURE 2
Ardmore Park - Wetland Delineation ] / / I o�a�Q� s
PROJECT LOCATION MAP
(� !O
0 50 100 200 400 1 �� \ I / H
SCALE. 1 - 100 E O

f
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NORTH
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ELMAR STREET
I
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2
A3 3
\ I W I PROJECT STUDY AREA \ \ \\ ��`���� 'A
FIGURE 3 / , 0D
Ardmore Park Wetland Delineation
WETLAND DELINEATION MAP
G 50 100 200 400
SCALE: 1 "= 100

Representative Photographs
Ardmore Park Wetland Delineation — Guilford County, North Carolina
August 8, 2012 - Page 1 of 2
Photograph 2: View looking upstream within the mainstem from confluence at flag A-
19.

Representative Photographs
Ardmore Park Wetland Delineation — Guilford County, North Carolina
August 8, 2012 - Page 2 of 2
Photograph 4: View of adjacent forested community near data point number 7.

ATTACHMENT
PRELIMINARY JURISDICTIONAL DETERMINATION FORM
BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR PRELIMINARY JURISDICTIONAL
DETERMINATION (JD):
B. NAME AND ADDRESS OF PERSON REQUESTING PRELIMINARY JD:
J. Shearin O. Dramby, Dramby Environmental Consulting, Inc., 4812 Bristol
Circle, Williamsburg, Virginia, 23185
C. DISTRICT OFFICE, FILE NAME, AND NUMBER:
D. PROJECT LOCATION(S) AND BACKGROUND INFORMATION:
Ardmore Park, Guilford County, NC
(USE THE ATTACHED TABLE TO DOCUMENT MULTIPLE WATERBODIES
AT DIFFERENT SITES)
State:NC County /parish /borough: Guilford City:
Center coordinates of site (lat/long in degree decimal format): Lat. N
36.05326 Pick List, Long. W 79.83902 Pick List.
Universal Transverse Mercator:
Name of nearest waterbody: South Buffalo Creek
Identify (estimate) amount of waters in the review area:
Non - wetland waters: 1,875 linear feet: 5 -20 width (ft) and/or acres.
Cowardin Class: R3
Stream Flow: < 10 CFS
Wetlands: NA acres.
Cowardin Class: NA
Name of any water bodies on the site that have been identified as Section 10
waters:
Tidal: NA
Non - Tidal: NA
E. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT
APPLY):
❑ Office (Desk) Determination. Date:
® Field Determination. Date(s): September 25, 2012

1. The Corps of Engineers believes that there may be jurisdictional waters of the
United States on the subject site, and the permit applicant or other affected party
who requested this preliminary JD is hereby advised of his or her option to
request and obtain an approved jurisdictional determination (JD) for that site.
Nevertheless, the permit applicant or other person who requested this
preliminary JD has declined to exercise the option to obtain an approved JD in
this instance and at this time.
2. In any circumstance where a permit applicant obtains an individual permit, or
a Nationwide General Permit (NWP) or other general permit verification requiring
"pre - construction notification" (PCN), or requests verification for a non - reporting
NWP or other general permit, and the permit applicant has not requested an
approved JD for the activity, the permit applicant is hereby made aware of the
following: (1) the permit applicant has elected to seek a permit authorization
based on a preliminary JD, which does not make an official determination of
jurisdictional waters; (2) that the applicant has the option to request an approved
JD before accepting the terms and conditions of the permit authorization, and
that basing a permit authorization on an approved JD could possibly result in less
compensatory mitigation being required or different special conditions; (3) that
the applicant has the right to request an individual permit rather than accepting
the terms and conditions of the NWP or other general permit authorization; (4)
that the applicant can accept a permit authorization and thereby agree to comply
with all the terms and conditions of that permit, including whatever mitigation
requirements the Corps has determined to be necessary; (5) that undertaking
any activity in reliance upon the subject permit authorization without requesting
an approved JD constitutes the applicant's acceptance of the use of the
preliminary JD, but that either form of JD will be processed as soon as is
practicable; (6) accepting a permit authorization (e.g., signing a proffered
individual permit) or undertaking any activity in reliance on any form of Corps
permit authorization based on a preliminary JD constitutes agreement that all
wetlands and other water bodies on the site affected in any way by that activity
are jurisdictional waters of the United States, and precludes any challenge to
such jurisdiction in any administrative or judicial compliance or enforcement
action, or in any administrative appeal or in any Federal court; and (7) whether
the applicant elects to use either an approved JD or a preliminary JD, that JD
will be processed as soon as is practicable. Further, an approved JD, a proffered
individual permit (and all terms and conditions contained therein), or individual
permit denial can be administratively appealed pursuant to 33 C.F.R. Part 331,
and that in any administrative appeal, jurisdictional issues can be raised (see 33
C.F.R. 331.5(a)(2)). If, during that administrative appeal, it becomes necessary
to make an official determination whether CWA jurisdiction exists over a site, or
to provide an official delineation of jurisdictional waters on the site, the Corps will
provide an approved JD to accomplish that result, as soon as is practicable.
This preliminary JD finds that there "may be "waters of the United States on the
subject project site, and identifies all aquatic features on the site that could be
affected by the proposed activity, based on the following information:
h?

SUPPORTING DATA. Data reviewed for preliminary JD (check all that apply
- checked items should be included in case file and, where checked and
requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the
applicant/consultant:Dramby Environmental Consulting, Inc..
® Data sheets prepared /submitted by or on behalf of the
applicant/consultant.
❑ Office concurs with data sheets /delineation report.
❑ Office does not concur with data sheets /delineation report.
❑ Data sheets prepared by the Corps:NA.
❑ Corps navigable waters' study: NA.
❑ U.S. Geological Survey Hydrologic Atlas:NA.
❑ USGS NHD data.
❑ USGS 8 and 12 digit HUC maps.
® U.S. Geological Survey map(s). Cite scale & quad name:
® USDA Natural Resources Conservation Service Soil Survey. Citation:
® National wetlands inventory map(s). Cite name:
❑ State /Local wetland inventory map(s):
❑ FEMA/FIRM maps:
❑ 100 -year Floodplain Elevation is: (National Geodectic Vertical Datum
of 1929)
® Photographs: ❑ Aerial (Name & Date):
or ❑ Other (Name & Date):
❑ Previous determination(s). File no. and date of response letter:
❑ Other information (please specify):
IMPORTANT NOTE: The information recorded on this form has not
necessarily been verified by the Corps and should not be relied upon for
later jurisdictional determinations.
Signature and date of
Regulatory Project Manager
(REQUIRED)
3
Signature and date of
person requesting preliminary JD
(REQUIRED, unless obtaining
the signature is impracticable)

SAMPLE
Estimated
Site
number
Latitude
Longitude
Cowardin
Class
amount of
aquatic
resource in
Class of
aquatic
resource
review area
1
36.05326
R3
1,710 LF
Non Section
10 Tributary —
Non -Tidal
2
79.83902
R3
165 LF
Non Section
10 Tributary —
Non -Tidal

WETLAND DETERMINATION DATA FORM - Eastern Mountains and Piedmont Region
Project Site: ARDMORE PARK City /County: GUILFORD Samp. Date: 5/3/2012
Applicant/Owner: CITY OF GREENSBORO State: NC Sampling Point: 1
Investigator(s): K.DRAMBY /S.DRAMBY Section, Township, Range: NA
Landform pdhia a w. m): LOW DEPRESSION Local relief Imp Wrna% .): CONCAVE Slope ( %): 0-5
Subregion (L.RR or MLRA): P OR 136 Lat: N 36.050833 tong: W 79.838889 Datum: NAD 83
Soil Map Unit: MECKLENBURG -URBAN LAND COMPLEX, 2 -10% SLOPES NWI Class: NONE
Are dimatic/hydrologic conditions on the site typical for this time of year? Yes (If no, explain in Remarks.)
Are Vegetation, Soil, or Hydrology significantly disturbed? No Normal Circumstances? Yes
Are Vegetation, Soil, or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS - Attach site map showing sample point locations, transects, Important features, etc.
Hydrophytic Vegetation Present? YES
Hydric Soil Present? NO Is This Sample Area
Wetland Hydrology Present? NO Within a Wetland? NO
Remarks:
UPLAND DATA POINT NEAR FLAG B-2.
HYDROLOGY
I Hydrology Indicators:
Indicators (minimum of one is required; check all that
Surface Water (Al)
High Water Table (A2)
Saturation (A3)
Water Marks (133)
Sediment Deposits (132)
Drift Deposits (133)
Algal Mat or Crust (B4)
Iron Deposits (85)
Inundation Visible on Aerial (87)
Water - Stained Leaves (89)
Aquatic Fauna (1313)
True Aquatic Plants (1314)
Hydrogen Sulfide Odor (Cl)
Oxidized Rhizospheres on Living Roots (C3)
Presence of Reduced Iron (C4)
Recent Iron Reduction in Tilled Solis (C6)
Thin Muck Surface (C7)
Other (Explain in Remarks)
observations:
ce Water Present?
Depth (inches):
r Table Present?
Depth (inches):
ation Present?
Depth (inches):
Describe Recorded Data (stream gauge, monitoring
NA
HYDROLOGY IS NOT MET.
Indicators (minimum of two
Surface Soil Cracks (86)
Sparsely Vegetated Concave Surface (B8)
Drainage Patterns (610)
Moss Trim Lines (816)
Dry - Season Water Table (0)
Crayfish Burrows (C8)
Saturation Visible on Aerial (C9)
Stunted or Stressed Plants (DS)
X Geomorphic Position (D2)
Shallow Aquitard (D3)
Microtopographic Relief (D4)
FAC- Neutral Test (135)
Wetland Hydrology Present? NO
aerial photos, previous inspections), if available:

VEGETATION - Use scientific names of plants.
Sampling Point: i
Tree Stratum (Plot size: 30' RAD )
1. Acer rubrum L.
Absolute
% Cover
20
Dom.
Sp?
X
Indicator
Status
FAC
Dominance Test Worksheet:
R Dominants OBL, FACW, FAC:
0 Dominants across all strata:
% Dominants OBL, FACW, FAC:
8
14
57%
(A)
(B)
(A/B)
2. Uquidambar styraciflua L. 15 X FAC
3. Uriodendron tulipffera L 10 X FACU
4. Ulmus americana L. 35 X FACW
S.
6.
7.
FACU
4.
Rosa multiflora Thunb.
Prevalence Index Worksheet:
Total %Cover of:
OBL x1=
FACW 35 i2=
FAC 125 x3=
FACU 90 x4=
UPL x5=
Sum: 250 (A)
Multiply By:
70
375
360
805
(B)
80 = Total Cover
Sapling Stratum (Plot size: 30' RAD )
1. Acer rubrum L. 30 X FAC
2. Uquidambar styraciflua L 15 X FAC
3.
4.
S.
6.
7. Prevalence Index = B/A = 3.22
45 = Total Cover Hydrophytic Vegetation Indicators:
Shrub Stratum (Plot size: 15' RAD ) X Dominance Test is > SO%
L Liriodendron tulipffera L 25 X FACU Prevalence Index is r- 3.0
2, Problematic Hydrophytic Vegetations 10*21n)
3, Rapid Test for Hydrophytic Vegetation
4, Morphological Adaptations
S. 1wheators of hydric sod and wetland hydrology must be present
6. unless disturbed or problannatir.
7, Definitions of Vegetation Strata:
25 =Total Cover
Herb Stratum (Plot size: 10' RAD )
1. Parthenocissus quinquefolia (L.) Planch.
15
X
FACU
2.
Rubus argutus Link
10
X
FACU
3.
Phytolacca americana L.
5
X
FACU
4.
Rosa multiflora Thunb.
15
X
FACU
S.
Toxicodendron radicans (L) Kuntze
15
X
FAC
6.
7.
8.
9.
10.
Tree - Woody plants, excluding woody vines, appradmately 20ft
(6m) or more In hetght and 31n (7.6crn) or larger in diameter at
breast height (06H).
Sapling - Woody plants, excluding woody vines, approximately
20ft (6m) or more In height and less than Sin (7.6an) DBH.
shrub - Woody plant; u .ck4rkg woo* dues. appm*nat* 3 to I
20ft (1 to 6m) in height
11. Herb - Ad herbaceous (rum - woody) plants. including herbaceous
virues, regardless of size. includes woody plants, euept woody vines,.
12. less than app vmtrrutdy aft (1m) In height•
70 = Total Cover
Woody Vines (Plot size: 15' RAD )
1. Lonicera japonica Thunb. 15
2. Smilax rotundifolia L 15
3.
4.
S.
30
(If observed, list morphological adaptations
X FAC
X FAC Woody vine - Ad woody vines, regardless of height.
Hydrophytic
Vegetation
= Total Cover Present? YES

SOIL
Sampling Point:
Profile Description: (Describe to the depth needed to document the Indicator or confirm the absence of indicators.)
Depth Matrix
Redox Features
(in) Color (moist) %
Color (moist) % Type 2 Loc
Texture Remarks
0-12 10YR 4/3 100
SANDY LOAM
'Type: C= Concentration, D= Depletion, RM= Reduced Matrix, CS- -Covered or Coated Sand Grains.
'Location: PL =Pore Lining, M= Matrix.
Hydric Soil Indicators:
Indicators for Problematic Hydric Soils':
Histosol (Al)
Stripped Matrix (56)
2cm Muck (A10) (MLRA 147)
Histic Epipedon (A2)
Dark Surface (S7)
Coast Prairie Redox (A16) (MLRA 147,148)
Black Histic (A3)
Polyvalue Below Surface (SS) (MLRA 147,148)
Piedmont Floodplain Soils (F39) (MLRA 148)
Hydrogen Sulfide (A4)
Thin Dark Surface (S9) (MLRA 147,148)
Red Parent Material (TF2)
Stratified Layers (AS)
Loamy Gleyed Matrix (F2)
Very Shallow Dark Surface (TF12)
2 cm Muck (A10) (LRR N)
Depleted Matrix (F3)
Other (Explain in Remarks)
Depleted Below Dark Surface (All)
Redox Dark Surface (F6)
indicators of hydrophytic vegetation and
Thick Dark Surface (Al2)
Depleted Dark Surface (F7)
wetland hydrology must be present, unless
Sandy Mucky Mineral (Sl)
Redox Depressions (F8)
disturbed or problematic.
(LRR N, MLRA 147,148)
Iron - Manganese Masses (F12) (LRR N, MLRA 136)
Sandy Gleyed Matrix (54)
Umbric Surface (F13) (MLRA 136,122)
Sandy Redox (S5)
Piedmont Floodplain Soils (F19) (MLRA 148)
Restrictive Layer (if observed):
Type: NA
Depth (inches):
Hydric Soil Present? NO
Remarks:
NO HYDRIC SOIL INDICATORS PRESENT.

WETLAND DETERMINATION DATA FORM - Eastern Mountains and Piedmont Region
Project Site:
ARDMORE PARK
City/County: GUILFORD
Samp. Date: 5/3/2012
Applicant/Owner:
CITY OF GREENSBORO
State: NC Sampling Point:
2
Investigator(s):
K.DRAMBY /S.DRAMBY
Section, Township, Range: NA
Landform (wwwate em): LOW DEPRESSION
Local relief (m emco .): CONCAVE
Slope ( %): 0-5
Subregion (LRR or
MLRA): P OR 136
Lat: N 36.050833 Long: W 79.838889
Datum: NAD 83
Soil Map Unit:
MECKL.ENBURG -URBAN LAND COMPLEX, 2 -10% SLOPES
NWI Class: NONE
Are climatic/hydrologic conditions on the site typical for this time of year?
Are Vegetation, Soil, or Hydrology significantly disturbed? No
Are Vegetation, Soil, or Hydrology naturally problematic? No
Yes
(If no, explain in Remarks.)
Normal amumstances? Yes
(If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS - Attach site map showing sample point locations, transects, Important features, etc.
Hydrophytic Vegetation Present? YES
Hydric Soil Present? NO Is This Sample Area
Wetland Hydrology Present? NO Within a Wetland? NO
Remarks:
UPLAND DATA POINT IN LOW AREA NEAR FLAG B-4.
HYDROLOGY
I Hydrology Indicators:
Indicators (minimum of one is
Surface Water (Al)
High Water Table (A2)
Saturation (A3)
Water Marks (81)
Sediment Deposits (82)
Drift Deposits (133)
Algal Mat or Crust (134)
Iron Deposits (85)
Inundation Visible on Aerial (137)
Water - Stained Leaves (89)
Aquatic Fauna (1313)
observations:
check all that
True Aquatic Plants (614)
Hydrogen Sulfide Odor (CI)
Oxidized Rhizospheres on Living Roots (0)
Presence of Reduced Iron (C4)
Recent Iron Reduction in Tilled Soils (C6)
Thin Muck Surface (0)
Other (Explain in Remarks)
Indicators (minimum of two
Surface Soil Cracks (86)
Sparsely Vegetated Concave Surface (138)
Drainage Patterns (810)
Moss Trim Lines (1336)
Dry- Season Water Table (C2)
Crayfish Burrows (C8)
Saturation Visible on Aerial (C9)
Stunted or Stressed Plants (Di)
X Geomorphic Position (132)
Shallow Aquitard (D3)
Microtopographic Relief (134)
FAC- Neutral Test (DS)
Surface Water Present? Depth (Inches):
Water Table Present? Depth (inches):
Saturation Present? Depth (inches): Wetland Hydrology Present?
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), If available:
NA
HYDROLOGY IS NOT MET.
NO

VEGETATION - Use scientific names of plants.
Sampling Point: 2
Tree Stratum (Plot size: 30' RAD )
1. Acer rubrum L.
Absolute
% Cover
20
Dom.
Sp?
X
Indicator
Status
FAC
Dominance Test Worksheet:
N Dominants OBL, FACW, FAC:
N Dominants across all strata:
% Dominants OBL, FACW, FAC:
10
14
71%
(A)
(B)
(A/8)
2. Uquidambar styraciflua L. 15 X FAC
3.
4.
S.
6.
7.
20 = Total Cover
6.
X
Prevalence index Worksheet:
Total % Cover of:
OBL x 1=
FACW 10 x2=
FAC 165 x3=
FACU 60 x4=
UPL x5=
Sum: 235 (A)
Prevalence Index = B/A =
Multiply By:
20
495
240
755
3.21
(B)
35 = Total Cover
Sapling Stratum (Plot size: 30' RAD )
1. Uquidambar styraciflua L. 20 X FAC
2. Acer rubrum L 20 •X FAC
3. Uriodendron tulipffera L i5 X FACU
4.
S.
6.
7.
Shrub Stratum (Plot size: 15' RAD )
1. Ulmus americana L
55
10
= Total Cover
X FACW
Hydrophytic Vegetation Indicators:
X Dominance Test is > 50%
Prevalence Index is <= 3.0
Problematic Hydrophytic Vegetation' (explain)
Rapid Test for Hydrophytic Vegetation
Morphological Adaptations
ibu kators of hydrk sob and wetland hydrology mist be present.
wdess disturbed or proble natk.
2. Uquidambar styraciflua L 10 X FAC
3.
4.
5.
6.
7.
30
S.
Definitions of Vegetation Strata:
20 = Total Cover
Herb Stratum (Plot size: 10' RAD )
1. Microstegium vimineum (Trin.) A. Camus
20
2.
Rubus argutus Unk
10
3.
Phytolacca americana L
5
4.
Rosa muitiflora Thunb.
30
S.
Toxicodendron radicans (L) Kuntze
20
6.
X
FACU
7.
X
FAC
8.
9.
10.
Shrub - Woody plarft oduding woody vines, appromdnwtely 3 to
2011 (1 to 6m) in height
11.
Tree - Woody plants, exdudhmg woody wines, approximately 2011
X
FAC
(6n) or more In height and 31n (7.6an) or larger in diameter at
2. Smilax rotundifoliaL i5 X FAC
3.
breast height (06H).
X
FACU
Hydrophytic
Vegetation
Present? YES
X
FACU
X
FACU
Sapling - woody plants, excluding woody vines, approdnwtety
X
FAC
2011(6m) or more In height and lass than 31n (7.6cm) DBH.
Shrub - Woody plarft oduding woody vines, appromdnwtely 3 to
2011 (1 to 6m) in height
11.
Herb - AB herbacros iron- woody) plants%, including herbaceous
wines, regardless of size. hmdplants;, , udes woody plan e>se woody drws,
Mss than epprodmately aft (1m) in height.
Woody vine- An woody wirmes,regardMssofheight
12.
85 = Total Cover
Woody Vines (Plot size: 15' RAD )
1. Lonicera japonica Thunb. 25 X FAC
2. Smilax rotundifoliaL i5 X FAC
3.
4.
Hydrophytic
Vegetation
Present? YES
S.
40 = Total Cover
(If observed, list morphological adaptations below).

SOIL
Sampling Point:
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of Indicators.)
Depth Matrix
Redox Features
(in) Color (moist) %
Color (moist) % Type Loc
Texture Remarks
0-12 10YR 4/3 95
10YR 5/6 5 C M
SANDY LOAM
'Type: C--concentration, D= Depletion, RM= Reduced Matrix, CS-- Covered or Coated Sand Grains.
2Location: PL =Pore Uning, M= Matrix.
Hydric Soil Indicators:
Indicators for Problematic Hydric SW:
Histosol (Al)
Stripped Matrix (S6)
2cm Muck (A10) (MLRA 147)
Histic Epipedon (A2)
Dark Surface (S7)
Coast Prairie Redox (A16) (MLRA 147,148)
Black Histic (A3)
Polyvalue Below Surface (SB) (MLRA 147,148)
Piedmont Floodplain Soils (F19) (MLRA 148)
Hydrogen Sulfide (A4)
Thin Dark Surface (59) (MLRA 147,148)
Red Parent Material (TF2)
Stratified Layers (A5)
Loamy Gleyed Matrix (F2)
Very Shallow Dark Surface (TF12)
2 cm Muck (A10) (LRR N)
Depleted Matrix (F3)
Other (Explain in Remarks)
Depleted Below Dark Surface (All)
Redox Dark Surface (F6)
'Indicators of hydrophytk vegetation and
Thick Dark Surface (Al2)
Depleted Dark Surface (F7)
wetland hydrology must be present, unless
Sandy Mucky Mineral (Sl)
Redox Depressions (F8)
disturbed or problematic.
(LRR N, MLRA 147,148)
Iron - Manganese Masses (F12) (LRR N, MLRA 136)
Sandy Gleyed Matrix (S4)
Umbric Surface (F13) (MLRA 136,122)
Sandy Redox (S5)
Piedmont Floodplain Soils (F19) (MLRA 148)
Restrictive Layer IN observed):
Type: NA
Depth (inches):
Hydric Sob Present? NO
Remarks:
NO HYDRIC SOIL INDICATORS PRESENT.

WETLAND DETERMINATION DATA FORM - Eastern Mountains and Piedmont Region
Project Site: ARDMORE PARK City /County: GUILFORD Samp. Date: 5/3/2012
Applicant/Owner: CITY OF GREENSBORO State: NC Sampling Point: 3
Investigator(s): K.DRAMBY /S.DRAMBY Section, Township, Range: NA
Landform (tdH$ktoatwrnmM): STREAM Local relief Itanuvacomm mne): NONE Slope (%): 0-5
Subregion (LRR or MLRA): P OR 136 Lat: N 36.050833 Long: W 79.838889 Datum: NAD 83
Soil Map Unit: MECKLENBURG -URBAN LAND COMPLEX, 2-10% SLOPES NWi Class: NONE
Are dimatic/hydrologic conditions on the site typical for this time of year? Yes (If no, explain in Remarks.)
Are Vegetation, Soil, or Hydrology significantly disturbed? No Normal Circumstances? Yes
Are Vegetation, Soil, or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS - Attach site map showing sample point locations, transects, Important features, etc.
Hydrophytic Vegetation Present? NO
Hydric Soil Present? NO Is This Sample Area
Wetland Hydrology Present? YES Within a Wetland? NO
Remarks:
STREAM DATA POINT. SEE NCDWQ STREAM FORM FOR DETAILS.
HYDROLOGY
Wetland Hydrology Indicators: Secondary Indicators (minimum of two reaulred)
of one is
X_Surface Water (Al)
—High Water Table (A2)
_ Saturation (A3)
—Water Marks (BI)
_ Sediment Deposits (62)
—Drift Deposits (93)
_Algal Mat or Crust (84)
_Iron Deposits (65)
_ Inundation Visible on Aerial (87)
—Water-Stained Leaves (69)
Aquatic Fauna (1333)
check all
True Aquatic Plants (814)
Hydrogen Sulfide Odor (Cl)
Oxidized Rhizospheres on Living Roots (0)
Presence of Reduced Iron (C4)
Recent Iron Reduction in Tilled Soils (C6)
Thin Muck Surface (C7)
Other (Explain in Remarks)
Surface Soil Cracks (66)
Sparsely Vegetated Concave Surface (BB)
Drainage Patterns (810)
Moss Trim Lines (1116)
Dry- Season Water Table (0)
Crayfish Burrows (C8)
Saturation Visible on Aerial (0)
Stunted or Stressed Plants (D3)
X Geomorphic Position (D2)
Shallow Aquitard (D3)
Microtopographic Relief (D4)
FAC- Neutral Test (D5)
Field Observadons:
Surface Water Present? X Depth (inches): 12
Water Table Present? X Depth (inches): SURFACE
Saturation Present? X Depth (inches): SURFACE Wetland Hydrology Present? YES
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous Inspections), If available:
NA
BANKS VARY 4-15' IN HEIGHT AND CHANNEL AVERAGES 10-15' WIDE.

VEGETATION - Use scientific names of plants. Sampling Point: 3
Absolute Dom. Indicator
Tree Stratum (Plot size: 30' RAD ) % Cover Sp? Status Dominance Test Worksheet:
1. If Dominants OBL, FACW, FAC: (A)
2.
3. # Dominants across all strata: (B)
4.
S. % Dominants OBL, FACW, FAC: (A/8)
6.
7. Prevalence Index Worksheet:
= Total Cover Total % Cover of: Muhiply By:
Sapling Stratum
1.
(Plot size: )
OBL x 1=
FACW x2=
FAC x3=
FACU x4=
UPL x5=
Sum: (A) (B)
Prevalence Index = B/A =
2.
3.
4.
S.
6.
7.
Shrub Stratum
1.
(Plot size: )
= Total Cover
Hydrophytic Vegetation Indicator::
Dominance Test is > 50%
Prevalence Index is <= 3.0
Problematic Hydrophytic Vegetation' (aadaln)
Rapid Test for Hydrophytic Vegetation
Morphological Adaptations
li dicators of hydric son and wetland hydrology., be present,
unless disturbed or problen a
2.
3,
4.
S.
6.
7.
Definitions of Vegetation Strata:
Tree -Woody plants, exduding woody vina % approximately 20R
(6m) or more in height and 3in (7.6an) or larger in diameter at
breast height (0811).
Sapling - woody plants, excluding woody vines, appro*nately
20ft (6m) or more N height and less than 31n (7.6an) DBH.
Shrub - Woody plants, exduding woody vines, apProx6nately 3 to
2DR (1 to 6m) in height.
Herb - AO herbans:om (nwemoody) pis, hwhidNs
vines, regardless of size. Includes woody plants, accept woody vines,
less than approximately 3R (Im) In height.
Woody vine - A0 woody vines6 regardless of height.
= Total Cover
Herb Stratum (Plot size: )
1.
2.
3.
4.
S.
6.
7.
8.
9.
10.
11.
12.
= Total Cover
Woody Vines (Plot size: 15' RAD )
1.
2.
3.
4.
Hydrophytic
Vegetation
Present? NO
S.
= Total Cover
Its: (If observed, list morphological adaptations below).
NO VEGETATION IN CHANNEL PRESENT. BANKS DOMINATED BY FACTO FACU SPECIES.

r'
WETLAND DETERMINATION DATA FORM - Eastern Mountains and Piedmont Region
SOIL Sampling Point:
Profile Description: (Describe to the depth needed to document the Indicator or confirm the absence of indicators.)
Depth Matrix
Redox Features
(in) Color (moist) %
Color (moist) % Type' LOCI
Texture Remarks
'Type: C= Concentration, D= Depletion, RM= Reduced Matrix, CS-- Covered or Coated Sand Grains. =Location: PL =Pore Lining, M= Matrix.
Hydric Soil Indicators:
Indicators for Problematic Hydric Soils:
Histosol (Al)
Stripped Matrix (S6)
2cm Muck (A10) (MLRA 147)
Histic Epipedon (A2)
Dark Surface (S7)
Coast Prairie Redox (A16) (MLRA 147,148)
Black Histic (A3)
Polyvalue Below Surface (S8) (MLRA 147,148)
.Piedmont Floodplain Soils (F19) (MLRA 148)
Hydrogen Sulfide (A4)
Thin Dark Surface (S9) (MLRA 147,148)
Red Parent Material (TF2)
Stratified Layers (AS)
Loamy Gleyed Matrix (F2)
Very Shallow Dark Surface (TF32)
2 an Muck (A10) (LRR N)
Depleted Matrix (F3)
Other (Explain in Remarks)
Depleted Below Dark Surface (Ail)
Thick Dark Surface (Al2)
Redox Dark Surface (F6)
Depleted Dark Surface (F7)
'Indicators of hydrophytic vegetation and
wetland hydrology must be present, unless
Sandy Mucky Mineral (SS)
Redox Depressions (F8)
disturbed or problematic.
(LRR N, MLRA 147,148)
Iron - Manganese Masses (F12) (LRR N, MLRA 136)
Sandy Gleyed Matrix (54)
Umbnc Surface (F13) (MLRA 136,122)
Sandy Redox (S5)
Piedmont Floodplain Soils (F19) (MLRA 148)
Restrictive Layer (N observed):
Type: REGOUTH
Depth (inches): SURFACE
Hydric Soil Present? NO
Remarks:
NO SOILS ABLE TO BE CLASSIFIED DUE TO PRESENCE OF REGOLITH AND UNCONSOLIDATED SAND.

VEGETATION - Use scientific names of plants.
Sampling Point:
S.
Absolute
Dom.
Indicator
Tree Stratum (Plot size: 30' RAD )
% Cover
Sp?
Status
Dominance Test Worksheet:
1. Acer rubrum L.
30
X
FAC
# Dominants OBL, FACW, FAC: 10 (A)
2. Ulmus americana L
25
X
FACW
7.
3. Liquidambar styraciflua L.
20
X
FAC
# Dominants across all strata: 11 (B)
4.
3.
4.
S.
6.
S.
% Dominants OBL, FACW, FAC: 91% (A/B)
6.
7.
Prevalence Index Worksheet:
Total % Cover of: Multiply By:
OBL x 1=
FACW 50 x2= 100
FAC 90 x3= 270
FACU 5 x4= 20
UPL x5=
Sum: 145 (A) 390 (B)
Prevalence Index = B/A = 2.69
75 = Total Cover
Sapling Stratum (Plot size: 30' RAD )
1. Acer rubrum L. i5 X FAC
2. Ulmus americana L 15 X FACW
3.
4.
5.
6.
7.
Shrub Stratum (Plot size:
1. Lindera benzoin (L) Blume
15' RAD )
30
5
= Total Cover
X FAC
Hydrophytic Vegetation Indicators:
X Dominance Test is > SO%
X Prevalence Index is <= 3.0
Problematic Hydrophytic Vegetation' 'avid,)
Rapid Test for Hydrophytic Vegetation
Morphological Adaptations
'Indicators of hydric sop and wetland hydrology must be present,
unless disturbed or problertwtk.
2.
3.
4.
S.
6.
7.
Definitions of Vegetation Strata:
Tree -woody plants, exduding woody vines, apprcdmateh2ort
(6m) or more in height and Sin (7.6cm) or larger in diemew at
breast height (08H)
Sapling - Woody ownts. excluding woody Mnw.app ly
2oR (6m) or more m height and less then Sin (7.6crn) 013111. 013111.
Shrub - woody plants, excluding woody, vines, approximately, 3 to
201t (1 to 6m) in height.
Herb - Ag herbaceous (noamoody) plants, loduding herbaceous
fines, regardless of sire hxtudes woody Plants, accept woody dues,
less than gwroximatep 3R (lm) in height.
Woody vine - Ag woody vimm regardless of height.
5 = Total Cover
Herb Stratum (Plot size: 10'RAD )
1. luncus effusus L. 10 X FACW
2. Mitchella repens L 5 X FACU
3. Dichanthelium clandestinum (L.) Gould 5 X FAG
4. Lonicera japonica Thunb. 5 X FAC
S.
6.
7.
S.
9.
10.
11.
12.
25 = Total Cover
Woody Vines (Plot size: 15' RAD )
1. Smilax rotundifolia L 10 X FAC
2.
3.
4.
Hydrophytic
Vegetation
Present? YES
5.
10 = Total Cover
(If observed, list morphological adaptations below).
i

SOIL
Sampling Point:
Profile Description: (Describe to the depth needed to document the Indicator or confirm the absence of indicators.)
Depth Matrix
Redox Features
(in) Color (moist) %
Color (moist) % TYpe Loc
Texture Remarks
0-8 TORY 4/3 75
10YR 5/6 25 C M
SANDY LOAM
8-12 30 YR 4/4 10
LOAM
,Type: C--Concentration, D= Depletion, RM= Reduced Matrix, CS-- Covered or Coated Sand Grains.
=Location: PL =Pore lining, M= Matrix.
Hydric Soil Indicators:
Indicators for Problematic Hydric Soils':
Histosol (Al)
Stripped Matrix (S6)
2cm Muck (AIO) (MLRA 147)
Histic Epipedon (A2)
Dark Surface (S7)
Coast Prairie Redox (A16) (MLRA 147,148)
Black Histic (A3)
Polyvalue Below Surface (SS) (MLRA 147,148)
Piedmont Floodplain Soils (F19) (MLRA 148)
Hydrogen Sulfide (A4)
Thin Dark Surface (S9) (MLRA 147,148)
Red Parent Material (TF2)
Stratified Layers (AS)
Loamy Gleyed Matrix (F2)
Very Shallow Dark Surface (TF12)
2 cm Muck (A10) (LRR N)
Depleted Matrix (F3)
Other (Explain in Remarks)
Depleted Below Dark Surface (All)
Redox Dark Surface (F6)
'Indicators of hydrophytic vegetation and
Thick Dark Surface (A32)
Depleted Dark Surface (F7)
wetland hydrology must be present, unless
Sandy Mucky Mineral (Sl)
Redox Depressions (F8)
disturbed or problematic.
(LRR N, MLRA 147,148)
Iron - Manganese Masses (F12) (LRR N, MLRA 136)
Sandy Gleyed Matrix (54)
Umbric Surface (F13) (MI RA 136,122)
Sandy Redox (S5)
Piedmont Floodplain Soils (F19) (MLRA 148)
Restrictive Layer (if observed):
Type: NONE
Depth (inches):
Hydric Sop Present? NO
Remarks:
NO HYDRIC SOIL INDICATOR IS PRESENT.

WETLAND DETERMINATION DATA FORM - Eastern Mountains and Piedmont Region
Project Site: ARDMORE PARK City /County: GUILFORD Samp. Date: S/3/2012
Applicant/Owner: CITY OF GREENSBORO State: NC Sampling Point: 8
Investigator(s): K.DRAMBY /S.DRAMBY Section, Township, Range: NA
Landform (hnwoft basm m): STREAM Local relief (eoncm eomimi, n.): NONE
Subregion (LRR or MLRA): P OR 136 Lat: N 36.OS0833 Long: W 79.838889
Soil Map Unit: MECKLENBURG -URBAN LAND COMPLEX, 2-10% SLOPES
Slope ( %): 0-S
Datum: NAD 83
NWI Class: PEM1Eb
Are climatic/hydrologic conditions on the site typical for this time of year? Yes (If no, explain in Remarks.)
Are Vegetation, Soil, or Hydrology significantly disturbed? No Normal Circumstances? Yes
Are Vegetation, Soil, or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
31UMMAKT Ur rimujimbzi - Attacn site map snowing sample point locations, transects, important features, etc.
Hydrophytic Vegetation Present? NO
Hydric Soil Present? NO Is This Sample Area
Wetland Hydrology Present? YES Within a Wetland? NO
Remarks:
STREAM DATA POINT. SEE NCDWQ STREAM FORM FOR DETAILS.
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of
X Surface Water (Al)
—High Water Table (A2)
_Saturation (A3)
—Water Marks (BS)
_Sediment Deposits (142)
—Drift Deposits (83)
_Algal Mat or Crust (B4)
—Iron Deposits (BS)
_ Inundation Visible on Aerial (147)
—Water-Stained Leaves (139)
Aquatic Fauna (1313)
Observations:
a Water Present? X
Table Present? X
Lion Present? X
check all that
True Aquatic Plants (1434)
Hydrogen Sulfide Odor (Cl)
Oxidized Rhizospheres on Living Roots (0)
Presence of Reduced Iron (C4)
Recent Iron Reduction in Tilled Soils (C6)
Thin Muck Surface (0)
Other (Explain in Remarks)
Depth (inches): 14
Depth (inches): SURFACE
Depth (inches): SUFACE
re Recorded Data (stream gauge, monitoring well, aerial photos,
NA
BANKS VARY 5-12' IN HEIGHT AND CHANNEL AVERAGES 10-16' WIDE.
Indicators
Surface Soil Cracks (146)
Sparsely Vegetated Concave Surface (BB)
Drainage Patterns (810)
Moss Trim Unes (1316)
Dry- Season Water Table (0)
Crayfish Burrows (C8)
Saturation Visible on Aerial (C9)
Stunted or Stressed Plants (DI)
X Geomorphic Position (D2)
Shallow Aquitard (D3)
Microtopographic Relief (D4)
FAC- Neutral Test (DS)
Wetland Hydrology Present?
available:
YES

VEGETATION - Use scientific names of plants. Sampling Point: 8
Tree Stratum
1.
(Plot size:
30' RAD )
Absolute Dom. Indicator
% Cover Sp? Status
Dominance Test Worksheet:
# Dominants OBL, FACW, FAC: (A)
p Dominants across all strata: (B)
% Dominants OBL, FACW, FAC: (A/B)
2.
3.
4.
S.
6.
7.
Prevalence Index Worksheet:
Total % Cover of: Multiply By:
OBL x 1=
FACW x2=
FAC x3=
FACU x4=
UPL x s =
Sum: (A) (B)
Prevalence Index = B/A =
= Total Cover
Sapling Stratum (Plot size: 30' RAD )
1.
2.
3.
4.
S.
6.
7.
Shrub Stratum
1.
(Plot size:
15' RAD )
= Total Cover
Hydrophytic Vegetation Indicators:
Dominance Test is> 50%
Prevalence Index is r_ 3.0
Problematic Hydrophytic Vegetation' (axNaxu)
Rapid Test for Hydrophytic Vegetation
Morphological Adaptations
'indicators of hydric soil and wetland hydrology, must be present.
unless disturbed or problematic
2.
3.
4.
S.
6.
7.
Definitions of Vegetation Strata:
Tree -Woody plants, excluding woody Nnes , approximately 2ort
(6m) or more In height and 31n (7.6rrn) or larger In diameter at
breast height (06H)
Sapling - Woody plants, excluding woody vines, approximately
201t (6m) or more in'height and less than Sin (7.6an) DeH
Shrub - Woody plants, excluding woody fines, approxinuateIv 3 to
20ft 11 to 6m) in height.
Herb - A0 herbamoa (non woody) punts, Including herbaceous
vines, regardless of sire. Includes woody plants, except woody vines,
less than approximately 3ft (Im) in height
Woody vine - A6 woody vines, regardless of height.
= Total Cover
Herb Stratum (Plot size: 10'RAD )
1
2.
3.
4.
5,
6.
7.
B.
9.
10.
11.
12.
= Total Cover
Woody Vines (Plot size: 1S' RAD )
1.
2.
3.
4.
Hydrophytic
Vegetation
Present? NO
S.
= Total Cover
(Remarks: (If observed, fist morphological adaptations below).
NO VEGETATION IN CHANNEL PRESENT. BANKS DOMINATED BY FAC TO FACU SPECIES.

SOIL
Sampling Point:
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicator:.)
Depth Matrix
Redox Features
(in) Color (moist) %
Color (moist) % Type Loc
Texture Remarks
1Type: C--Concentration, D= Depletion, RM= Reduced Matrix, CS-- Covered or Coated Sand Grains.
2 Location: PL =Pore Lining, M= Matrix.
Hydric Soil Indicators:
Indicators for Problematic Hydric Solis:
Histosol (Al)
Stripped Matrix (S6)
2cm Muck (A10) (MIRA 147)
HistFc Epipedon (A2)
Dark Surface (S7)
Coast Prairie Redox (A16) (MLRA 147,148)
Blade Histic (A3)
Polyvalue Below Surface (S8) (MLRA 147,148)
Piedmont Floodplain Soils (F39) (MLRA 148)
Hydrogen Sulfide (A4)
Thin Dark Surface (S9) (MLRA 147,148)
Red Parent Material (TF2)
Stratified Layers (AS)
Loamy Gleyed Matrix (F2)
Very Shallow Dark Surface (TF32)
2 cm Muck (A10) (LRR N)
Depleted Matrix (F3)
Other (Explain in Remarks)
Depleted Below Dark Surface (All)
Redox Dark Surface (F6)
'Indicators of hydrophytic vegetation and
Thick Dark Surface (A32)
Depleted Dark Surface (F7)
wetiand hydrology must be present, unless
Sandy Mucky Mineral (Sl)
Redox Depressions (FB)
disturbed or problematic.
(LRR N, MLRA 147,148)
Iron - Manganese Masses (F12) (LRR N, MLRA 136)
Sandy Gleyed Matrix (S4)
Umbric Surface (F13) (MI RA 136,122)
Sandy Redox (SS)
Piedmont Floodplain Soils (F19) (MLRA 148)
Restrictive Layer (If observed):
Type: REGOUTH
Depth (inches): SURFACE
Hydric Sob Present? NO
Remarks:
NO SOILS ABLE TO BE CLASSIFIED DUE TO PRESENCE OF REGOLITH AND UNCONSOLIDATED SAND.

t4 i t
USACE AID# DWQ # Site # I (indicate an attached map)
FUS
STREAM QUALITY ASSESSMENT WORKSHEET _
Provide the following information for the stream reach under assessment:
1. Applicant's name: OF L-A� SE 7- Evaluator's name:..
3. Date of evaluation: /2 4. Time of evaluation:
S. Name of stream: 1�7'T . F -uFY-A t C;' 4F-K -- 6. River basin:
7. Approximate drainage area: xi/V * . �A�11l�1r� -7 MJ S. Stream order. , .
9. Length of reach evaluated: 2-ff / 10. County:
11. Site coordinates (if known): prefer in deciaW degrees. 12. Subdivision name (if any): *l'�+;0;444efF7 810C*—,
t.atitude (ex. 34.tt72312): t.. a.S3Zfr /v Lon 'rude (ex. - asset q: 79. $31 6>7— W
Method location deterinined (circle): GPS Fopo Sheet (Aerial) oWGIS Other GIS Other
13. Location of reach under evaluation (note nearby roads anV°1an marks and attach map identifying stream(s) location):
A/6iZN A W A4qr-lb4` A#-t> WE e �F -BF-Li Ar—
14. Proposed channel work (it any): rf' CA y-4
1S. Recent weather conditions:_C-L J. ok?- , ►rt t� -5M' I P"L, Grr, b i l l oNS
16. Site conditions at time of vi.
17. Identify any special waterway classifications known: =Section 10 =Tidal Waters = Essential Fisheries Habitat
=Trout Waters = Outstanding Resource Waters —Nutrient Sensitive Waters .Water Supply Watershed -" p-M
I& Is there a pond or lake located upstream of the evaluation point? YES E011f yes, estimate the water surface area:
19. Does channel appear on USGS qua�dd map? ii)lo 20. Does channel appear on USDA Soil Survey ?EINO
21. Estimated watershed land use: �1 % Residential .7=0/0 Commercial J-4 Industrial 1 % Agricultural
! —% Forested L % Cleared / Logged =% Other ( )
22. Bankfull width: t�" 2• 23 ank height (from bed to top of bank): -A0
24. Channel slope down center of stream: =Flat (0 to 2 1/6) �Genttc (2 to 40A) — Moderate (4 to 10%) =Steep (> I OOA)
25. Channel sinuosity: = Straight ✓Occasional bends = Frequent meander ;,Very sinuous = Braided channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecomgion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points
to each characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the
characteristics identified in the worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. if a
characteristic cannot be evaluated due to site or weather conditions, enter 0 in the scoring box and provide an explanation in the
comment section. Where there are obvious changes in the character of a stream under review (e.g., the stream flows from a pasture
into a forest), the stream may be divided into smaller reaches that display more continuity, and a separate form used to evaluate each
reach. The total score assigned to a stream reach must range between 0 and 100, with a snore of 100 representing a stream of the
highest quality.
Total Score (from
Wt
I"zn T'
>r wte-,T
Evaluator's Signature Date— �1�1 /y.
This channel evaluation f is in ded to b sed only as a guide to assist landowners and environmental professionals in
gathering the data required by the Unit tes Army Corps of Engineers to make a preliminary assessment of stream
quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 06/03. To Comment, please call 919 -976.9441 x 26.

STREAM QUALITY ASSESSMENT WORKSHEET
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USACE AID# DWQ # Site # � (indicate on attached map) I
STREAM QUALITY ASSESSMENT WORKSHEET
Provide the following information for the stream reach under assessment:
1. Applicant's name:i&O` If-- 6�- 2. Evaluator's name - V -,D9 1&ARd
3. Date of evaluation: S� 3 11 2. 4. Time of evaluation: 1,400
5. Name of stream: 7,z�,,S>fiLv 6. River basin:
7. Approximate drainage 8. Stream order _� 3
9. Length of reach evaluated: ff 10, County: &L4 I �R J>
11. Site coordinates (if known): prefer in de *cimal -degrees. 12. Subdivision name (if any) : �
. +-' j9RLL1
2-IL
Latitude (m 34.872312): (s ! `I Lon nude (ex - 77556611):�� . 2-
Method location determined (circle): GPS opo Sheet OnhN erial P otoJG1S Other G1S Other
] 3. Location of reach under evaluation (nA[Ene'arby roads andmad es and attach reap identifying stream(s) location):
;V, �'L�/�It� r✓/�(fir✓ MfYt� �tyeiG
14. Proposed channel work (if
15. Recent weather conditions: � -AKu I � f'u� GarDl7td r
16. Site conditions at time of visit: -81 b ey,-C>4 - , CLr" ok4 -
17. Identify any special waterway classifications known: = Section 10 ;Tidal Waters = Essential Fisheries Habitat
--Trout Waters = Outstanding Resource Waters — NutTient Sensitive Waters =Water Supply Watershed '-' (I -IV)
18. Is there a pond or take located upstream of the evaluation point? YES! NO If yes, estimate the water surface area:
19. Roes channel appear on USGS quad wrap ?' YES O 20. Does channel appear on USDA Soil Survey YES NO
21. Estimated watwhed land use: &L'A Residential °ib Commercial f Qb Industrial c
-1_lo Agricultural
Forested S % Cleared / Logged Other
22. Bankfull width: �O 23. Bank height (from bed to top of bank): �► !
24. Channel slope down center of stream: Flat (0 to 2%) `Gentle (2 to 4 %) Moderate (4 to 10%) =Steep (> 10%)
25. Channel sinuosity: -- straight ___- Occasional bends Frequent meander Very sinuous = Beaded channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecwregion. Assign points
to each characteristic within the range shown for the ecore0on. Page 3 provides a brief description of how to review the
characteristics identified in the worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a
characteristic cannot be evaluated due to site or weather conditions, enter 0 in the scoring box and provide an explanation in the
comment section. Where there are obvious changes in the character of a stream under review (e.g., the stream flows from a pasture
into a forest), the stream may be divided into smaller reaches that display more continuity, and a separate form used to evaluate each
reach. The total score assigned to a stream reach must range between 0 and 100, with a score of 100 representing a stream of the
highest quality. 1
Total Score (from reverse): CommentsrilW'�`i -"1�f 1v�rVt�t�u tyy
Evaluator's Signature ry Date ���d f l
This channel evolunti rm is in d used only as a guide to assist landowners and environmental professionals In
gathering the data required by the WhedStates Army Corps of Engineers to make a preliminary assessment of stream
quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 06103. To Comment, please call 919 - 876 -8441 x 26.

STREAM QUALITY ASSESSMENT WORKSHEET
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.ti, ;L�^�5 ^µ .�,•a,v.'.0 t �L V^Y�I16{� �(?� @)��}.� , k y� ,5 �,, r �V ,''t i,!•f..'.. i�> '•�
i. 7��.• '•;,#,Q•LIn,V•U�13�.►,}.Y�,� }{, �., ..'{•"g k^ ( y. t, t `
•'F.• © °:�yf, .: "^.� e' '1" - t. `j i. �, f y 'r. R eY« :tt'.,,.'. •.>. i °. � '•y �. C +'1 rL!:is r':D�: .� J
• These characteristics are not assessed in coastal streams.
2

NC DWQ Stream Identification Form Version 4.11
Date: �' �1
Projectisit
Latitude: .*
Evaluator:
County: ��
Longitude:
Am
'
1
,
Total Points:
Stream Determination (
Other
Stream is at iaost intermMew Allpl;
if Z 19 or renntat l k 30•
Ephemeral intermittent Peronni
e.g. Quad Name:
Ad A.- -.�--
A. Geomorphology Subtotal !_L7"S0j
Absent
Weak
Moderate
Stronn
1' Continuity of channel bed and bank
0
1
2
A 3
2. Sinuosity of channel along thalweg
0
1
2 1
3
3. In- channel structure: ex. riffle -pool, step -pool,
ri oolsequence
0
1
2
3
4. Particle size of stream substrate
0
1
2
3
5. Activefrefict floodplain
0
Yes 4 3 IL
2
3
6. Depositional bars or benches
0
1
L2_.A
3
7. Recent alluvial deposits
0
1
2
3
8. Headcuts
1
2
3
9. Grade control
0.5
1
1.5
10. Natural valley
0
0.5
1
All .5
11. Second or greater order channel
No = 0
Yes
3
- arnnaai oaates are not rates; see s to marruai
B. Hvdroloav (Subtotal= • C 1
12. Presence of Baseftow
0
1
2
3
13. Iron oxidizing bacteria
3
177
2
3
14, leaf titter
1.5
1
0
0
15. Sediment on plants or debris
0
0.5
1
1.5
16. Organic debris lines or piles
0
0.5
1.5
17. Soll -based evidence of hi to table?
No = 0
Yes 4 3 IL
C. Bioloav (Subtotal= "%% ) - - --
18. Fibrous roots in streambed
2
1
0
19. Rooted upland plants in streambed
3
2
0
20. Macrobenthos note diversity and abundance)
0
1
2-1
3
21. Aquatic Moltusks
1
3
22. Fish
0
0.5
1.5
23. Crayfish
0
0.5
1
1.5
24. Amphibians
0
1.5
25. Algae
0
.5
1
1.5
26. Wetland plants In streambed
FACW = 0.75; OBL =1.5 Other 0
'pemrut treams may also be Identif ed using other methods.
See p. 35 of manual.
(dotes:
Sketch:

NC DWO Stream Identification Form Version 4.11
Date: � A-
Projectl'Sitei ♦
Latitude: 6 Ag, '
•
Evaluator. 1�
Countty:4 "t�
Longitude: Yv • St
Total Points:
Stream is at least kftrmitle»t
Stream Determination (circle o
Other
d 219 or ial if 230' 3$*r
Ephemeral Intermittent Perennlal
e.s. auad Name:
1/ .-
A. Geomorphology (Subtotal =
Absent
Weak
Moderate
Strong
10, Continuity of channel bed and bank
0
1
2
3
2. Sinuosity of channel along thalw S
0
1
2
3
3. In-channel structure: ex. ride -pool, step -pool,
ripple-pool se uence
0
1
2
3
4. Particle size of stream substrate
0
1
2
3
5. Acbve/refict ftoodplain
0
1
2
3
6. Depositional bars or benches
0
0
2
3
7. Recent alluvial deposits
0
0
2
3
8. Headcuts
0
25. Algae
2
3
9. Grade control
0
0.5
1
10. Natural valley
0
0.5
1
1.5
11. Second or greater order channel
No = 0
Yes
3
artificial ditches are not rated; see disars Iona In manual
B. Hydrology (Subtotal = 1
12. Presence of Baseflow
0
1
2
13
13. Iron oxidizing bacteria
0
1
2
3
14. Leaf litter
1.5
20. Macrobenthos (note diversity and abundance)
0.5
0
15. Sediment on plants or debris
0
3
1
1.5
16. Organic debris fines or piles
0
.5
1
1.5
17. Soil -based evidence of high water table?
No = 0
Yes
3 7d
C. Bioloav (Subtotal = 1 !! 1 �.
18. Fibrous roots M streambed
2
1
0
19. Rooted upland plants in streambed
3
2
1
0
20. Macrobenthos (note diversity and abundance)
n
1
2
3
21, Aquatic Mollusks
2
3
22, Fish
0
1
1.5
23. Crayfish
0
0
1
1.5
24. Amphibians
0
1
1.5
25. Algae
0
0.
1
1.5
26. Wetland plants in streambed
FACW = 0.75; OBI = 1.5
Other 0
'perennial streams may also be Identified using other methods.
See p. 35 of manual.
Notes:
Sketch:

Ardmore Park Stream Enhancement Pre - Construction Notification and Supporting Documentation
Appendix B: Aquatic Assessment
Brown ,,Caldwell j
&I
Use of contents on this sheet is subject to the limitations specified at the end of this document
P: \Greensboro \140976 - Ardmore Park Stream Restoration \300- Permrtting\OiO- 404_401 Perm rtUng \PCN\Ardmore PCN Support Documentdocc

Dramby Environmental Consulting,. Inc.
December 4, 2012
Mr. Ben Nash, RLA
Brown & Caldwell
5430 Wade Park Blvd, Suite 200
Raleigh, NC 27607
Subject: Ardmore Park Aquatic Assessment
Letter of Findings
DEC Project Number: DEC -0012 -2012
Dear Mr. Nash:
DRAMSY
ENVIRONMENTAL
CONSULaNG
Dramby Environmental Consulting, Inc. (DEC) has been contracted by Brown and Caldwell (BC;
Client) to perform an aquatic assessment, and production of a "Letter of Findings ", for the
Ardmore Park stream enhancement project located in Guilford County, North Carolina (Figure
1). The subject property is generally bounded by South Holden Road to the west, Belmar Street
to the east, Immanuel Road to the north, and Interstate 40 (1-40) to the south. Site access can
be obtained utilizing both Hayden and West Florida Streets within the study area, which bisects
the mainstem tributary (unnamed tributary to South Buffalo Creek) in two locations (Figure 2).
This letter of findings summarizes results of fieldwork conducted by DEC within portions of
Ardmore Park. The principal purpose of this assessment was to document the existing
conditions of the macroinvertebrate community and to assess the habitat quality of the streams
within the project study area. The results of this assessment will allow the Project Team to
determine the most appropriate stream improvement measures that should be incorporated in
the overall design. This assessment will also allow the Project Team the ability to identify
changes within the macroinvertebrate community over time, which can provide critical
information as it relates to water quality. Additionally, pre- and post - construction aquatic
assessments for stream projects can likely be required by resource agencies such as the U.S.
Army Corps of Engineers (USACE) or the North Carolina Department of Water Quality (DWQ) to
document and compare results. Stream monitoring is determined on an individual project
specific basis and is based on several factors (for example, compensatory mitigation
requirements vs. non - compensatory mitigation requirements). At the time of our July 23, 2012
site visit, it had not yet been determined how this project was going to fit in with City directives.
A baseline stream assessment was completed by DEC field staff to sample the
macroinvertebrate community and perform a habitat assessment of the stream resources
located within the study area. The North Carolina Department of Water Quality's QUAL 4
methodology was employed pursuant to their Standard Operating Procedures Manual along
with DWQ's Habitat Assessment methodology for streams located in the Mountain /Piedmont
physiographic provinces (DWQ 2006). Initially, the scope called for utilizing DWQ's EPT
( Ephermeroptera - Plecoptera - Trichoptera) methodology to sample the macroinvertebrate
community; however, based on the lack of EPT species observed during preliminary
reconnaissance, DEC switched to using the QUAL 4 method, as approved by BC. This switch was
4812 Bristol Circle • Williamsburg, Virginia, 23185 • (757) 894 -1673

Mr. Nash, RLA
December 4, 2012
Page 2 of 6
necessary in order to provide a better sampling of the macroinvertebrate community, allowing
for more reliable water quality comparisons among sampling locations.
METHODOLOGY
DWQ QUAL 4 METHODOLOGY
As previously mentioned, DEC utilized the QUAL 4 methodology from DWQ's Standard
Operating Procedures Manual (NCDWQ 2006) to sample the macroinvertebrate community.
This abbreviated methodology, in comparison to the detailed Standard Qualitative Method,
provides the necessary baseline information needed in order to make reliable water quality
comparisons among sampling locations. The QUAL 4 methodology, which is more appropriate
for this type of project, reduces the amount of time spent in the field and lab by decreasing the
number of collected samples from 10 in the Standard Qualitative Method consisting of two (2)
kick samples, two (2) sweeps, one (1) leaf -pack sample, two (2) fine mesh rock and /or log wash
samples, one (1) sand sample, and visual observations, to a total of four (4) collections in the
QUAL 4 methodology. The four (4) collections consist of one (1) kick sample, one (1) sweep, one
(1) leaf -pack sample, and visual observations at each of the five (5) sampling locations.
DWQ MOUNTAIN /PIEDMONT HABITAT ASSESSMENT METHODOLOGY
DEC utilized the Habitat Assessment methodology for streams located in the
Mountain /Piedmont physiographic provinces from DWQ's Standard Operating Procedures
Manual (NCDWQ 2006). DEC assessed a minimum of 100 meters of stream channel and up to
200 meters, if needed, while moving in an upstream direction at each of the five (5) sampling
locations. Each sampling location was conducted at a riffle area that was representative of the
entire reach segment, when available.
This evaluation is based on best professional judgment of eight habitat metrics (see Table 2 and
attached habitat assessment data sheets for more detail) including analysis of channel
modification, four instream habitat measurements, one streambank measurement, and two
riparian zone measurements at each of the five (5) Reaches assessed. Scores are given for each
of the eight metrics and are then totaled (100 points possible, with 0 being the lowest and 100
being the highest) providing an overall habitat quality score for the particular reach /stream.
Final scoring and results are depicted on the attached field worksheets completed on July 23,
2012.
RESULTS
MACROINVERTEBRATE AND HABITAT ASSESSMENT
Results and locations relating to macroinvertebrates sampled by DEC within each reach can be
found in Table 1 and Figure 3. Macroinvertebrates collected by DEC throughout the five (5)
reaches yielded low taxa levels (especially EPT taxa - three total). Common EPT species
4812 Bristol Circle, Williamsburg, irrginia, 23185 - (757) 894 -1673

Mr. Nash, RLA
December 4, 2012
Page 3 of 6
identified included Hydropsyche betteni, Cheumatopsyche spp., and Baetis flavistriga. Tolerance
values (TV) for each species is varied, however, the majority of the EPT taxa collected have
moderate to high TV values (i.e. moderately to highly tolerant to polluted waters). Overall,
macroinvertebrates collected at each sampling location did not show major variations in overall
taxa richness (see Table 1). Reach E did have the fewest species of taxa collected with five (5)
present and Reaches A, B, and C having the highest with seven (7). Biotic indexes (measure of
the tolerance values of organisms found in the sample relative to their abundance) varied from
7.51 in Reach A to 8.11 in Reach D, both of which depict species that are tolerant of polluted
waters.
Each of the Reaches assessed and their scores can be found in Table 2 (see also attached habitat
assessment data sheets) and Reach locations can be found 'in Figure 3. Overall, each of the
reaches exhibited marginal to sub - optimal levels of available habitat, riffle -run complexes, and
an overall low diversity in pool size. Embeddedness was high throughout the majority of the
reaches. This is likely attributed to the surrounding urban nature of the project area, resulting
in excessive amounts of sedimentation entering into the system during various storm events.
With this increase in sedimentation, pool variety has decreased, making the streambed become
more homogenous throughout. Increases in sedimentation can also decrease dissolved oxygen
levels as riffle areas begin to fill in, impacting the ecological communities. These and other
degradations were observed throughout the reaches, including channel modifications resulting
from historical road and bridgework and the mowing of vegetation up close to the stream
banks. As previously noted, reaches A, B, and C were mostly dominated by a more homogenous
substrate; however, reaches D and E scored higher as diversity within the substrate was
increased with larger more diverse bed material. Riparian scores were mainly very low for this
assessment as a combination of maintained lawns and residential homes were present within
the surveyed areas.
Reach E was found to score the highest (score of 71) of the four other reaches assessed as a
result of elevated scores in in- stream habitat, substrate diversity, bank stability, and riparian
area vegetation. In contrast, Reach A scored the lowest with a total score of 43. The low score
attributed to Reach A was due in part to the overall lack of diversity of in- stream habitat and
streambed substrate. The streambed was fairly homogenous throughout Reach A with finer
materials dominating the streambed. This increase in fine materials is most likely a result of
bank instability within Reach A and portions upstream that are made readily available during
storm events, which is typical in most unstable urban systems. Reach B (score of 54) is very
similar to Reach A, however; a reach break was warranted due to the stream channel reducing
in overall stream width. Reach C (score of 62) was unique to the other streams assessed as the
majority of the streambed substrate was dominated by bedrock, which has allowed for more
bed and bank stability within the reach. Reach D (score of 60) was similar to that of Reach B but
an increase in streambed substrate diversity was found to occur, thus elevating its total score.
4812 Bristol Circle, Williamsburg, Virginia, 23185 - (757) 894 -1673

Mr. Nash, RLA
December 4, 2012
Page 4 of 6
CONCLUSION
MACROINVERTEBRATEAND HABITATASSESSMENT
Macroinvertebrate and physical habitat assessments performed on the five (5) reaches (un-
named tributaries to South Buffalo Creek) within the Ardmore Park boundaries show the quality
of the stream system to be representative of a typical warm -water stream located in an urban
setting of the piedmont physiographic region. Many factors can influence the biological
community composition and habitat quality of stream systems. Available in- stream habitat for
colonization, such as riffles and woody debris, flow conditions, watershed land -use and any
upstream discharges are just a few criteria that can drastically impact biological communities
and habitat conditions. It is likely that Increasing levels of pollution within the watershed of the
project area have eliminated the more sensitive species (EPT taxa) within Reaches A -E, leading
to lower species richness and higher TV values overtime, as demonstrated in Table 1. A
bioclassification of "Good" will typically have a Biotic Index value (measure of the tolerance
values of organisms found in the sample relative to their abundance) no higher than 5.78.
Based on these criteria, Reaches A -E have Biotic Indexes ranging from 7.51 to 8.11, which would
be considered very stressed and rated Poor utilizing NCDWQ protocol standards. Typical
healthy streams in the Piedmont of North Carolina should have a much higher taxa richness and
diversity. Samples obtained in this assessment can be characterized by extremely tolerant
organisms, resulting in a very low taxa diversity rating. It is the opinion of DEC that the majority
of the stream channel assessed is in poor condition and would greatly benefit from some form
of "enhancement" or "restoration ", with the intent to stabilize the stream from further
deterioration and to provide more available habitat for colonization of the biological
community. However, it should be noted that additional stressors are present within the
streams surveyed and water quality is likely a strong contributor influencing the biological
community.
In most stream enhancement or restoration projects, the primary purpose is to restore the
natural function, stability, and biological conditions, with water quality often needing to be
addressed beyond the above - mentioned natural system restoration activities. Moreover, in
order to see actual changes in water quality overtime, implementation of various best
management practices (BMP's) may need to be incorporated in combination with the stream
improvement projects. Examples of BMP's may include stormwater retrofits, grass swales, sub-
surface or surface created wetlands, and wet and dry detention ponds, all being implemented in
strategic locations within the watershed. These locations can be determined based on water
quality sampling data obtained from fieldwork conducted within the watershed. DEC
recommends that further investigations of various water quality improvement projects be
studied in concert with the proposed stream enhancement project by a water resource engineer
with specific experience in watershed and stormwater management.
4812 Bristol Circle, Williamsburg, ftinia, 23185 - (757) 894 -1673

Mr. Nash, RLA
December4, 2012
Page 5 of 6
DEC appreciates this opportunity to provide environmental consulting services for the Ardmore
Park stream enhancement project. Please feel free to contact me should you have any
questions and we look forward to continue working on the project.
Sincerely,
Dramby En it LtalLnsufting, Inc.
Kristoffer 1. G. D , PWS, CE
Principal/ Senior Scientist
Enclosures
cc: Mr. Ben Nash, RLA — Brown and Caldwell, Senior Watershed Scientist
DEC — File Copy
4812 Bristol Circle, lVilliamsburg, Virginia, 23185 • (757) 894 -1673

Mr. Nash, RLA
December 4, 2012
Page 6 of 6
BIBLIOGRAPHY:
North Carolina Department of Environment and Natural Resources, Division of Water Quality.
1993. Cape Fear Basinwide Assessment Report.
North Carolina Department of Environment and Natural Resources, Division of Water Quality.
1998. Cape Fear River Basinwide Water Quality Plan.
North Carolina Department of Environment and Natural Resources, Division of Water Quality.
2003. Cape Fear Basinwide Assessment Report.
North Carolina Department of Environment and Natural Resources, Division of Water Quality.
2006. Standard operating procedures for benthic macroinvertebrates, Biological
Assessment Unit.
North Carolina Department of Environment and Natural Resources, Division of Water Quality.
2006. Standard operating procedures for stream fish community assessment program,
Biological Assessment Unit.
4812 Bristol Circle, Williamsburg, Virginia, 23185 • (757) 894 -1673

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Ardmore Park - Aquatic Assessme nt
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FIGURE 2
a o
Ardmore Park - Aquatic Assessment
o Q i S
PROJECT LOCATION MAP ' C� o '� z l
�/ I \ � 0 0
0 50 100 200 400 // `� �❑ I / y A
SCALE: 1 "= 100 Q YD E N S
T _ O
�/ I I E T 0

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/ �\ ��� \ \\ \�\ ��� —�� 'STRkAM CHANNEL
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\\ -- �� , \ \� \\ - -- ,,,� /% / LEGEND
CULVERT \ \ \ \ \ — — .W. d / / /` / ► FLAG NUMBER LOCATION
\ �\ PROJECT STUDY AREA - 8.1 ACRES
STREAM CHANNEL - 1,875 LINEAR FOOT
Cl) � /'!f 1 O % 1 \ ® MACROINVERTIBRATE SAMPLING LOCATION
JLVERT� )L / 25 / I I REACH
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I I PROJECT STUDY AREA \ \ \ \� �� �� 34
CURE 3 / 0 0o I I I \ \ \ \
Ardmore Park - Aquatic Assessment
HABITAT & MACROINVERTEBRATE MAP
0 50 100 200 400
SCALE: 1"7100

Reach Aj
Reach B
I Reach C
I Reach D
Reach E
Latin Name
Family
Order
Tolerance Value
Number of each
taxa collected
BAETIS FLAVISTRIGA
BAETIDAE
Ephemeroptera
6.8
2
CHEUMATOPSYCHE SPP
HYDROPSYCHIDAE
Tricoptera
6.6
7
8
9
9
1
HYDROPSYCHE BETTENI
HYDROPSYCHIDAE
Tricoptera
7.9
1
2
1
1
2
BOYERIA VINOSA
AESHNIDAE
Odonata
5.8
1
1
ENOCHRUS
HYDROPHILIDAE
Coleoptera
8.5
1
1
LACCOPHILUS SPP
DYTISCIDAE
Coleoptera
9.8
1
PHYSELLA SPP
PHYSIDAE
Gastropoda
8.7
1
3
3
2
2
MBARUS SPP
CAMBARIDAE
Crustaces
7.5
2
1
ANGONYX SPP
FCRERPOBDELWMOOREOBDELLA
GAMMARIDAE
Crustacea
7.2
1
2
SPP
GLOSSIPHONIIDAE
OT
8.6
1
ISOPODA
ISOPODA
Crustacea
10
4
ANOPHELES SPP
CULICIDAE
Diptera
8.6
1
CONCHAPELOPIA GROUP
CHIRONOMIDAE
Diptera
8.4
2
1
TIPULA SPP
TIPULIDAE
Diptera
7.5
2
1
Total Taxa
7
7
7
6
5
EPT Taxa
3
2
2
2
2
Biotic Index
7.51
7.64
7.64
8.11
8.04

UC1-f C•s tlUCJ:AAY.�S I:e WC,LUAA�AIIy 1. �:I�J{J e
Sample Locations
Category (Points Possible)
Reach A
Reach B
Reach C
Reach D
Reach E
Channel modification (0-5)
4
3
3
4
4
Instream habitat (0-20)
Bottom substrate (0-15)
11
6
11
6
17
3
11
it
14
11
Pool variety (0-10)
4
6
6
6
4
Riffle habitats (0-16)
10
10
14
14
14
Bank stability and vegetation (0-14)
6
8
8
6
10
Light penetration (0-10)
2
7
7
7
8
Riparian vegetation zone width (0-10)
0
3
4
1
8
TOTALS:j
43
S4
62
60
71

Representative Photographs
Ardmore Park —Aquatic Assessment
12.4.12 - Page 1 of 3
Photograph 1: View of Reach A; looking upstream. Notice relatively homogenous
streambed substrate.
Photograph 2: View of Reach B; looking downstream. Base -flow conditions present at
time of field visit.

Representative Photographs
Ardmore Park — Aquatic Assessment
12.4.12 - Page 2 of 3
Photograph 3: View of Reach C; looking upstream. Notice the increase in bedrock
present within the streambed and adjacent banks.
Photograph 4: View of Reach D; looking upstream. Notice bank instability on river left.

Representative Photographs
Ardmore Park —Aquatic Assessment
12.4.12 - Page 3 of 3
Photograph 5: View of Reach E. Notice substrate diversity within the streambed.

3106 Revision 6
Habitat Assemment Field Data Sheet
Mountain/ Piedmont Streams
Biological Assessment Unit, DWQ OTAi. SPORE
Directions ibr use: The observer is to survey a minimum of 100 meters with 200 meters preferred of Arcam, preferably in an
upstream direction starting above the bridge pool and the road right -nf -way. The segment which ia,assessed should represent
average stream conditions. To perform a proper habitat evaluation the observer needs to get into the stream. To complete the form,
select the description which best fits the observed habitats and then circle the score, Tf the observed habitat falls in between two
descriptions, select an intermediate score. A final habitat score 's determined by adding, the results from the different metrics.
/� ,Saw? -� tX� �tl A ��l/
Stream %�� /4 Location/road: /1'�%�11/(ltoad Name ' l )County
Date% CCB Basin t!fXPC Subbasin %3-'04v;'— �Z..
Obscrvcr(s L.)tti4 ypc of Study: O Fish 'k4jenthos O Aasinwide OSpecial Study (Describe)
Latitude 34-. �T.nngitnde 7 3`'' .txmregion: ❑ MT XP ❑Slate Belt O Triassic Aasin
Water (duality: Temperature — eC DO ' `mg/l Conductivity (corr.) µBlom pll
Physical Char acterizatien: Visible land use refers to immediate area that you can see from sampling location - include what
you estimate driving thru the watershed in watershed land use.
Visor c Land 11se: %Forest 3s %Residential ' %Active pasture % Active Camps
9/Wallow Fields �% Commercials— °/nlndustriial — %Other - Describe:
Watershed land use: ❑Forest ❑Agriculture TTrban O Animal operations upqtream
Width: (meters) Stream � Channel (al top of bank) 7-1''9 Stream Delulr:C�ii) AvgL_Me
1'idtlt variable O Large river >25m wide J
Bank Height ( on accpcst part of riffle to top of bank -first flat surthcc you stand em): (m)
Bank Angle: ° or ^A (Vertical is 90 °, horizontal is 0 °. Angles > W indicate slope is towards mid- channel, < 90°
indicate slope is away fi+om c nn I. NA if bank is mo low fer bank angle to matter.)
O Channelized Ditch
*ly Incised- steep, straight banks 013oth banks undercut at bend L el filled In with sediment
n, ecent overbank deposits it development uried structures ❑Exposed bedrock
xcessive periphyto wth ❑ lleavy filamentous algae grow ❑Green tinge /-�ge smell
Mamwmade Stabilization: OY: ORip -rap, cement, gabions 0 SedimenUgradc- control structure rmflevee
Flow conditions: v -or mal ❑Low
Turbidity: OC:lear fight Turbid ❑Turbid ❑Tannic OMi Colored (from dyes)
Good potent' for Vetlands Restoration Project ??• 0 YES" O Details, �i �fr�AN
Channel Flow Status '' \\
Useful especially under abnormal or low flow conditions.
A. Witter reaches base of both lower banks, minimal channel substrate exposed .......... .................. ❑
11. Water fills >75% of available channel, or E25% of channel substrate is exposed ........................
C. Water fills 25 -75:6 of available channel, many logs/snegs exposed .............. ...............................
U. hoot mats out of water .................................................................................... ............................... O
L'. Very little water in channel, mostly present as stunding p%YZignital ..... ............................... 13
Weather Conditions. 4" t > �r/ Photos: ON 035mm
Remar %: e i_44 i L.- Sep-4-7 �/�
E Pa

I. Channel Modification Score
A. channel natural, frequent bends ......................................................................... ............................... 5
Ti. channel natural, Infrequent bends (channelization could be ofd)........... ............ ............................... '
C. some channelization present .............................................................................. ............................... 3
13. more extensive channelization, >40% of stream dlsrupted ................................ ............................... 2
E. no bends, completely channelized or rip rapped or gabioned, c l e ...................... ............................... 0
O Uvldence of dredging OEvidenee of desuagpi►►g no large woody debris in strca m O13anks of uniform shape 4might
Remarks F-O� Subtotal
li. instrearn Habitat: Consider the percentage of the reach that is favorable for henthos enloni7ation or fl %h cover. Tf 170% of the
reach is rocks, I type i9 present, circle the scare of 17. Definiticnr: leafpacks consist of older leaves that are lacked together and have
begun to decay (not piles of leaves in pool areas). Mark, as Rare, Common. or Abundant.
gu
/ Rucks 04 r NIaeropbytes a Sticks and leatpackv 4, Snags and lugs e:�, Undercut baniss or rout mats
AMOUNT OF REACH FAVORABLE FOR COLONiZATION OR COVER
Flo types present _.....................
0 No woody vegetation in riparian zone Roma& �- �toht��lG ks �2oU Gr f (�'�T Subtotal)]
Ill. Bottom Substrate (silt, sand, detritus, gravel, cobble, boulder) Look at entire rc=h for substrate scoring, but only took at
riffle for cmbedde dues, and use rocks from all parts of ri1IIc -look lbr "mud line" or dillicxdty extracting rucks.
A. Rahstrate with good ink of gravel, cobble nod boulders
>70%
40-70%
20AOVa
<20%
12
Seems
Scar:
Scow
Score
4 or 5 types prescnL ....... .........
20
16
14
8
3 types presmL........................
19
15
I 1
7
2 types present....... .................
18
14
10
6
I type present ....._....................
17
13
9
5
Flo types present _.....................
0 No woody vegetation in riparian zone Roma& �- �toht��lG ks �2oU Gr f (�'�T Subtotal)]
Ill. Bottom Substrate (silt, sand, detritus, gravel, cobble, boulder) Look at entire rc=h for substrate scoring, but only took at
riffle for cmbedde dues, and use rocks from all parts of ri1IIc -look lbr "mud line" or dillicxdty extracting rucks.
A. Rahstrate with good ink of gravel, cobble nod boulders
Score
1. emhcddedness <200u (very little sand, usually only behind large houlders) .... .....................
15
2. embeddedness 20- 409/ 0 ........................................................................ .._........................_...
12
3. emheddedness 404 00/ a ........ .. ............................................................... _ ................ .. ...... ......
' 8
4. embeddedness > 80% .............................................................................. ...............................
3
H. substrate gravell and cobble
1. embeddedoess <205C ............ . .............................................................................................
14
2. embeddedness 20- 40% ......................................................................... ...............................
1
3. embeddedness 40 -80'ya ......................................................................... ...............................
6
4. cmbvddc doses =' 80° la..... ....................................................................... ...............................
2
G substrate mostly gravel
1. embc-cldcxincss < 50% ...................... _...._ .................... _ .......... _ ... ................ ........ ...............
8
2. ernbeddedncss > 50% .................................................. _ .......... .... .. .......... _...........................
4
D. substrate homogeneous
I. substrate nearly all beArock ............... . ............................ _._ .... .. ........... ...............................
3
2. substrate ncarll, all sand ......................... _ ... _... ................... ._ ........... ..................................
3
3. substrate nearly all detritus ..................................................................... ...............................
2
4. substrate nearly all mitt clay ........................................ .. ....... _ .................. .. .......................... ..
I / _
Remarks I a � -fir t �+t =�iT10 — -
Snhmtal C..v
iV. Pool Variety Fools are areas of deeper than average maximum depths with little or no surface turbulence. Water velocities
associated with pools are always slow. Fools uhay take the form of "pocket %vier ", small pools behind boulders or obstructions, in
large high gradient streams, or side eddies.
A. Pools present Store
1. Pools Frequent ( >30% of 200m area surveyed)
a. variety of pool si= ................................................................................ ............................... 10
b. pools about the same size (indicates pools filling in) ................. _ .......... ............................... 8
2. Pools Infrequent (4330% of the 200m area survLycd)
a. variety of pool sizes ................................... .. ........................................... . ......... _.............. 6
b. pools about the same size ................... _ ...... _ ................................ ................... _...._............ �]
B. Pools absent .......... _ ............... .. ... ........ _................ ..........._..._._......._........... _......._..............._...... 0 .
.._ subtotal
O Pool bottom boulder-cobble--ha rd Rr4mm sandy -sink as you walkilt bottom me pools over wader depth
Remarks
Page Total
43

V. Riffle illobitets
V11. Light Penetration Canopy is defined as tree or vegetative cover directly above the stream's surface. Canopy would block out
sunlight when the sun is directly overhead. Note shading from mountains, but not use to !Pcure this metric.
Definition: Riffle is an�x of reaeraticm -can he debris dam, or narrow channel area. ltifff l�requenl itiliics Infrequent
5c�orc
A. well defined riffle and run, riffle as wide as stream and extends 2?� width of stream.... 16 12
B. rifle as wide as stream htrt riffle length is not 2X stream width ..... ............................... JAn 7
C. riffle not as wide as stream and riffle length is ttot 33C stream width ............................. 10 3
Channel Slope: ' �+plcal foratea ❑Steep -fast tluw OLow =like a eoaata) stream Subtotal
V1. llattk Stability and Vegetation
FACF. i71'STRF.A'Vl LeA llart[s Rt. Bank
Scam: Seem
A. Banks stable
1. little evidence of erosion or bank fnilure(except outside of bends), little potential for erosion.. 7 ?
B. Erosion areas prasent
1. diverse trees, sheubs, pass; plans healthy with good rtttat systans .... ........ ............ _._...... 6 6
2. few trees or swell trees and shrubs; vegetation appears generally healthy ...........................
3. sparse mixed vegetation; plant types and conditions suggest poorer soil bindinK ................. � V3
4. mcsstly grasses, few if any trees and sluubs, high erosion and failure: potential at high flaw.. 2 2
5. little or no bank: vieget,'ttlotl, mass erosion and Raul► failure: cvielc�nt....._ ....... _ ........................... t) (1
Rcmarl:sl4�� A%�iS a=- t-fiA tt "4x,-(491q
COTC
A. Stream with good canopy with some breaks fur light penetration ............_ ......... ...................... 10
It. Stream with full canopy - breaks for light penetration absent ...................... ............................... 8
C. Stream with partial canopy - sunlight and shading are essentially equal..... .............. .................
D. Stream with minimal canopy - fUll sun In all but a row areas ............... _ ...................... _.............. 22
FNo canopy and no shading ... .. ................................... _ ............................... ............................. ...... 0
Remarks _ Subtotal --"
VIU. Riparian Vegetative Zone Width
Definition: Riparian zone for this firm it area of natural vegetation adjacent to stream (can go beyond Aoodplain). Definition: A
break- in (lie riparian zone is any place on the stMin In, nks which allows sediment or pollutants to directly enter the slrcam, such as
paths clown to stream; sto drains, noted trees, rafter slides, etc.
1. #61; UPSI'WAM Llt. Bank Rt. Bank
Dominant vegetation: Trees IvJ Shrubs M Grasses 19 Weeds/old field Z-otics kudzu etc Sc urc, Scurc
A. Riparian lone intact (no breaks)
1. width =- 18 meters ....................................... .. ............. .............................. S S
2. width 12 -18 meters ................................................... ........................_...... 4 4
3. width 6 -12 meters .. .................. : ........ _.............................. _..................... 3 3
4. width < 6 meters .................... .. ........................ _...................................... 2 2
1I. Riparian cone not intact (breaks)
1. brcYaks rare
a. width > 18 metera .......................................... ............................... 4 4
b. width 12.1 It meters- .................................................... ................... 3 3
e. width 6-12 meters ........................................ ............................... 2 2
d. width < 6 mcters .......................................... ............................... 1 1
2. breaks common
a. width > 18 meters .......................................... ...............................
b. width 12 -18 meters ....................................... ...............................
c. width 6-12 meters ........................................ ...............................
d. width < 4 meters .......................................... ...............................
Remarks --
0 Disclaimer -form filled out, but score den %n't match subjective opinion - atypical stream.
44
3 3
2 2
Total t�
Page Total 197
TC)TAIi. SCQRF,�
i �'T—
'Total
COTC
A. Stream with good canopy with some breaks fur light penetration ............_ ......... ...................... 10
It. Stream with full canopy - breaks for light penetration absent ...................... ............................... 8
C. Stream with partial canopy - sunlight and shading are essentially equal..... .............. .................
D. Stream with minimal canopy - fUll sun In all but a row areas ............... _ ...................... _.............. 22
FNo canopy and no shading ... .. ................................... _ ............................... ............................. ...... 0
Remarks _ Subtotal --"
VIU. Riparian Vegetative Zone Width
Definition: Riparian zone for this firm it area of natural vegetation adjacent to stream (can go beyond Aoodplain). Definition: A
break- in (lie riparian zone is any place on the stMin In, nks which allows sediment or pollutants to directly enter the slrcam, such as
paths clown to stream; sto drains, noted trees, rafter slides, etc.
1. #61; UPSI'WAM Llt. Bank Rt. Bank
Dominant vegetation: Trees IvJ Shrubs M Grasses 19 Weeds/old field Z-otics kudzu etc Sc urc, Scurc
A. Riparian lone intact (no breaks)
1. width =- 18 meters ....................................... .. ............. .............................. S S
2. width 12 -18 meters ................................................... ........................_...... 4 4
3. width 6 -12 meters .. .................. : ........ _.............................. _..................... 3 3
4. width < 6 meters .................... .. ........................ _...................................... 2 2
1I. Riparian cone not intact (breaks)
1. brcYaks rare
a. width > 18 metera .......................................... ............................... 4 4
b. width 12.1 It meters- .................................................... ................... 3 3
e. width 6-12 meters ........................................ ............................... 2 2
d. width < 6 mcters .......................................... ............................... 1 1
2. breaks common
a. width > 18 meters .......................................... ...............................
b. width 12 -18 meters ....................................... ...............................
c. width 6-12 meters ........................................ ...............................
d. width < 4 meters .......................................... ...............................
Remarks --
0 Disclaimer -form filled out, but score den %n't match subjective opinion - atypical stream.
44
3 3
2 2
Total t�
Page Total 197
TC)TAIi. SCQRF,�

3106 Revision 6
Habitat Assessment Field Data Sheet
%fountain /Piedmont Streams
idiobgical Assessment 1[Jnit, bR'Q 'UTAL SCURL�)
Directions for dice: The observer is to survey a minimum of 100 meters with 200 meters preferred of s(reann, preferably to an
ttpstmam direction starting above the bridge pool and the mad right -of- way. The segment which is assassed should represent
average streant conditions. To perform a proper habitat evaluation the observer needs to get into the stream. To cumplete: the funm,
select the description which best fits the observed habitats and then circle the senre. If the abscrvcd habitat falls in between twu
descriptions, select an in ternnedlate score. A final haktV score is determined by adding the results from the dilTurcni metrics.
Stream % Lucatiunlruad: HAVbEN Q~(Road Name /VA )County
Date ?`�z- CC#
Obse r(s) —,'M�6 ype of Study: O Fish d1<11thas
Latitude• Q l Longitude_ . S3�?f�F.coreginn
O 13asimvicic OOSpecial Study (Describe)
❑ MT ®P O Slate Aclt O Triassic Basin
Water Quality: Temperature °G DU mgll Conductivity (corr.) -- ItS/cm pH . `;
Physical Characterization: Visible land use refers to immediate area that you can see from sampling location - include what
you estimate driving thru the watershed In watershed land use:
41s 0b and Use: 3� %Forest �5"%Residential � %Active Pasture � %Active Crops
,1s ',/ allow lriekls 1 % Commercial � °/nlnduatrial --` %tHhcr - Describe:
Watershed land use : 0l'orest ❑Agriculture I +rban ❑ Animal operations upstream
Width: (meters) Stream Z--"4 Channel (at top of bank) : —� Stream Depth: / Avg 4P Max
D Width variable D Large river >25tn wide 7
Rank iItight (from deepest part of riffle to top of hank -first flat sudhec you stand on): (m)
Bank Angle: " or NA (Vertical is 901, horinontal is 0 ". Angles > 900 indicate slope is towards mid- chunncl, < 90"
indicate slope is away froth cifinnel. NA if bank is too low for ba nk angle M natter.)
O 9tanactizutl Ditch
ceply incised - stoop, struight banks banles undercut at bend XCIUre ntel filled in with sediment
ctiY�nt uvc7bank dcpusils ar dcveluptneul gid structures ❑Exposed hedrack
O amcssivc periphytun grow l extvy fdameutous algae gro w n ti nge Sewage smell
Manmade Stabilisation: Rip -rap, cement, gabiuns ❑ Sediment/grade-control structure OLiermllevee
Flow conditions : i -ormal 13I ow
Turbidity:OClear ghtly'rilrbid O'1ltrbid ❑Tannic OM' �Colored(fi-nm dyes)
Good potentia for Wetlands Rusteratilon Project":? O YES U Mtails v
Channel Flow Status�.�°r- �jct�„
Useful especially under abnormal or low flow conditions.
A. Water roaches bast: of both luwex banks, winimid channel substrate exposed ......................... D'
B. Water fills. >75% of available channel, or <25% of ulumaul substrate is exposed ........................
C- Water fills 25- 75 %ofavuilabk channel, many lugslsaat s exposed .............. ............................... ❑
D. Root mats out of water .. ................................................................................. ............................... ❑
E. Very little water in channel, mostly present as standing pools ...................... ............................... ❑
Weather Conditions: II,, � fi _ AW—'Itl> O of Photos: 1-' l•1 Digitdl ❑35mm
Roma�ks �o���TT IUvW�' � �YD �V �� �vt �h•—' ��
42

1. Channel ModifMotion Same
A. channel natural, frequent bends ................................. .. .................... _ ........................ _.................... 5
lt. channel natural, infrequent bends (channelimion could be ofd) ...................... ...............................
C. some cltanuelicadou present..... .....................i ............................................ ............................... t3�j
U. more extensive channeliration, `­40%ofstt�eam di srupted................................ ..... ..........................
E. no bends, watpicicly uhanuclieed or rip rappud ur gabioned, cte ...................... ............................... 0
E3 Evidcncc of drudging 13121vide:nec of desna rug - no largu wood debris iu stm O13anks of uniform shapdkight
Remarks � � 1 �6� -� P4*'r.l-� woody
^� Subtotal
1T.11ructream ilahitat: Consider the percentage of the reach that is favorable for benthos colonisation or fish cover. Tf >70% of the
reach is mclrs, I type is present, circle the score of 17. Definition- leafpacka consist of older leaves that are packed together and have
begun to decay (not piles of leaves it, pool Areas). Mark- as !tare. Common, or Abundant.
CRocks 9, Maerophytes 6, Sticks and leafpacks (!:.- Snags and logs e, Undercut banks or root mats
AMOUNT OF REACH FAVORABLE FOR COLONIZATION OR COVER
Score
>700A
40 -70%
20 -400A
--20%
3. embeddedness 40- 80%. ................................................................................. ........................
Score
Score
Scan
Sc:orc
4 or 5 types prescnt......_.........
20
16
1
8
3 types present .......... _.............
19
15
I 1
7
2 types present .........................
18
14
2. ernbcddcdncss >5M. ...................._..................................................... ...............................
G
1 type present ...........................
17
13
9
5
No types present ..............._.....
hC -r-- -c �,6t t Subtotal
❑ No woody vegetation in riparian gone Remarks _ _S �'C$ -��
111. Bottom Substrate (silt, sand, detritus, gravel, cobble, boulder) Look at cndre reach lur substrate scaring, but only look at
ri(Ile hrr cmbeddcdness, and ass rocks arum all parts of rillic -look I'or "mud line" or dilliculty extracting rocks.
A. substrate with good mix of gravel, cobble and boulders
Score
1, embeddedness <20% (very little san(l, usually only behind large hcmlders ) .........................
15
2. embeddednem 20- Wo .................................... .............................................. _ ................ ......
12
3. embeddedness 40- 80%. ................................................................................. ........................
8
4. embeddedness >M .............................................................................. ...............................
3
U. substrate Urn-ml and cobble
1. cmtbeddedaess < 2&1% ............................................................................. ...............................
14
2. cntbeddedauss 20- 40% .......................................................................... ...............................
1�...1
3. cutbeddeducss 40 -SOPA ......................................................................... ...............................
6Z \�
4. cxnbc ddcdncss > 80% ............. _ ....... .. .......................................... ..................................... ....
=- ----
CC_ substrate mostly gravel
. crnbcddcdncss s 50% ....................... ,. .............................................................................. .....
8
2. ernbcddcdncss >5M. ...................._..................................................... ...............................
4
U. substrate homogeneous
I. substrate nearly all bedrock...._ ............................................................ ........_................_.....
3
1 substrate nearly all sand ................ .. ............................................. _.......................................
3
3. substrate nearly all detritus ..................................................................... ...............................
2
4. substrate nearly all sibs` clay ................................................... _ ...... .......................................
I --
Remarics _ — .____Subtotal
C ��
1V. Pool Variety Pools are areas of deeper than average muxiru urn depths with little or no surface turbulence. Water velocities
associated with pout arc ahvuys slues. Pools muy take the fumy of "pocket water", satall pools buWad boulders or obstruetlow, in
large high gradient struams, or side eddies.
A. Pools present Srwure
1. Pools Frequent ( >300/a of 200m area surveyed)
a. variety ofpool sizcs .............. _ ............................. .. ............ .. .... .............. ........_...................... 10
b. pools about the sane size (indicates pools filling in) .................................... _ ....... _............. 8
2. Pools Infrequent (<30°/a of the 200m area srnvcycd)
a. variety of pool sizes ............................................................................... ........_...................... LJ
h. pools about the same si7e .................................................... _._...._...... ..._........................... 4
B. Pools absent ........................................................... ............................... ............. ............................... 0
4ubtotal
O Pool bottom boulder- cobble -hard 13ottorn sandy -sink as you walk I bottom O Sonre pools over wader depth
Remarks
l'oge'i'otel
43

I . • . .—
V. piffle habitats
Definition: RiMe is area of reiteration -can be debris loin, or narruw channel area. Riffles requent i. requent
_ Scorefles Inf
A. well defined riffle and nin, riffic as wide as stream and extends 2X width of stream.... 16 12
B. riffle as wide as stream but riffle length is nut 2X strain midth .... ............................... 7
C. riffle not as wide as stream and riffle length is not 2X stream width ............I ................ t-- 3
11►. r;mcs b ................................................................................ ............................... U
Channel Slope: ypical fur area ❑Stcclrafast flow ❑i.ow -like a coastal stream Subtotal
Vl. Bank Stability and Vegetation
FACL UPSTREAM T.eft Rank Rt. dank
fionre Score
A. Banks stable
1. little evidence of erosion or batik failumiuxecpi oulsidu of bends), little potential for erosion.. 7 7
B. EmMon areas present
1. diverse trees, shrubs, grass; plants healthy with good root systems ................ I.................... 6 6
2 few trccs or small trees and shrubs; vegetation appears generally healthy ........... _.............. 0
3. sparse mixed vegetation; plant types and cunditions suggest pnorer snil binding ................. 3 tl
4. mostly grasses, few if any trees and shrubs, high erosion and failure potential at high flow.. 2 2
5. little or no bank vegetation, mass erosion and lank fai hire evident ............. ..............................0 0
Total
Remarks
Vll. Light Penetration Canopy is defined as tree or vegetative a uvt•r directly above the stream's surface. Canopy vtould block out
sunlight when the sun is directly overhead. Note: shading from mountains, but not use to score this metric.
score
A. Stream with good canopy with some breaks for light penetration .............. ............................... 10
13. Stream with fulll canopy - breaks for light penetration absent ......................................... _ ....... _. I �a
C. Stream with partial canopy - sunlight and shading tire n
re essentially equal... ._ ........................ ».... .1
D. Stream with miniimid cmwpy -1'141) sun in all but a few areas ....................... ............................... 2
L. No canopy tied no shading .............................................................................. ............................... 0
Reinarks.
Submtal-7
Vlll. Riparian Vegetative Zone Width
Definition: Riparian 7nne for this fornl is area of natural vcgclation adjac crit to stream (can go beyond floodplain). mUtion: A
break in the riparian Anne is any place on llte stream banks which allows %Wimcnt or pollutants to directly enter the stream, such as
paths down to stream, stnrm drains, uprooted tress, utter slides, etc.
A 'E UPSTREAM Lei. Baulk Rt. Bank
Dominant vegetation• freX=)u bs CIrdssses O Weed -dold field xetics (kudzu, etc) Score Scum
A. Riparian �o -intact
1. widt h > 18 meters ...................................................... ............................... 5 5
2. width 12 -18 mUm— i .................................................... ............................... 4 4
3. width 6-12 mctcrs ...................................................... ............................... 3 3
4. width < 6 mctcas...................................................................................... 2 2
B. Riparian wine not intact (breaks)
1. breaks rare
awidth > 18 meters .......................................... ............................... 4 -t 4
h. width 17. -18 meters. ............................. .............._................ .... -t"3 1 3
c. width 6 -12 meters .................................. _................... ... �r�' 2
d. width < 6 meters ......................................... ............................... 1 I
2. hreaks common
a. width ` 18 meters .......................................... ............................... 3 3
h. width 12 -18 meters ........... ....................... ............................... 2 2
c. width 6-12 meters .............. .. ........ .............. ............................... 1 1
d. width < 6 meters................. ..................._.... ............................... 0
Remarks _ TO PI
Page '11"1 7-
❑ Disclaimer- -form filled out, but score doesn't match subjective opinion atypical stream. TOTAL WOR1E
44

3106 Revision 6
llabita( Assessment Field Data Sheet
Mountain/ Piedmont Streams Biological Assessment Unit, I)Wt1 OTAL SCORE
Directions for use: The observer is to survey a minimuin of LOU teeters with 200 meters preferred of stream, pn;fcrubly in an
upstream direction starting above the bridge pool and the road right -of- -way. The segment which is assessed should represent
avenge stream conditions. To perform a proper habitat c%ntluation the observer nccch to get into the stream. To complete the form,
select the description which best fits the observed habitats and then circle the score. if the observed habitat falls in between two
descriptions, select an haennodiatu sewn:. A final habitat scup is dekcrnrined by adding the results from the different metrics.
�La�. tiy4
(Road Con [y Ulu
f-w Stream i,ocatinnlr02d: W,
Date Z 2-SL- CC:# Basin Subbxsiu d?)--Pi1-- V7—
Ohserver(s �� l�►pe of Study: O fish 013xsinwide ❑Special Study (Describe)
i.atilnde � , i��f Lo ' ude� )�cnilius
ti ,_ ngU S � Eewnger,n: ■ MT p ■Slats Belt ■ Triassic Brim
Water Quality: Temperature " °C DO mg/l Conductivity (corn.) i61cm pll
Physical Characterization: Visible land use refers to iuunediale area that you can see from sampling location - include what
you estimate driving thru the watershed in watershed land use.
Visible T.and Use: 3 '525" %RLgidential %Active Pasture % Active Crops
5 %Follow Yields t b % commenixl---75 %Industriul %Other - Desmibc:
Watershed land use: ❑lrorest 0Agricu1luFV>41rban ❑ Animal operations upstream 1#4
Width: (me(ers) Stream F>-5 Channel (at top of bank) -4'-41 Stream Depth: (yvj Avg I d
❑ Width variable 13 Targe river r2.5m wide
Bank Height (fmm deepest part of riffle to top of ban[-first flat surface you stand on): (m) r '�
llAnk Augee: - ° or A (Vertical is 90°, horizontal is 0 °. Angles % 90" indicate slope is towards mid- channel, < 90°
iii ' to slope is away from channe . NA if bank is too low far bank angle to matter.)
i tutelired Ditch
.cply inciscd-e�tc.~<.�p, straight bank. oth banks undercut at bend hannel filled in wit invent
lteea,�nt ovurbank deposits � development uried structures -xposed bedrock
O lixcessivu periphyton gm h Heavy filamentous alg�%owth ❑Green tinge Sewage sine[]
Manmade Stahiliration: Rip -rap, cement, gabions5edimeni/grade- control structure Merrnllevee
Flow conditions : I r ormnl ❑Low
Turbidity: 130ear 'lightly Turbid ❑Turbid ❑Tannic QMi ky IE3ColoTcd (fmm dyes)
4oud potentia for Wetlands Restoration Project?? ❑ YFS `0 retails rMn' aq
Channel Flow,%tns +->0 �\� -qtr
Useful especially under abnormal or low flow conditions.
A. Watcr reaches base of both lower banks, minimal channel substrate exposed ............................ XE3
B. Water fills y75% of available channel, or <25% of ctm nnel substrate is exposed ........................
C. Water fills 25-75% of available channel, many Wgs/snags exposed .............. ...............................
D. Root mats out of water......................... ........................................................... ............................... ❑
E. Very little water in channel, mostly present as standing pools ...................... ............................... O
Weather Conditions: �aT' �Lswsr� i��Pllotos: ❑\ Y Di ital 035mm
Remarks: et �5� - +-luAl <01-14-- of N. F1 -01-> 44 DCA5
42

1. Channel im ifrcaliun Srnre
A. uhannO natural, frequent bcnols ......................................................................... ............................... 5
R. odianncl natund, infrLquent bends (channclieation could be old) ....................... ...............................
C. some channcii7ation present- ................................................................................ I.- ........................
D. more extensive channcliration, >40% of stream disruptiul ................................ ...............................
I?, no bends. completely ch2nneli7ed or rip rapped or gabioncol, ctc ..... .............................. .. .......... _... 0
O l ,vidence of dredging 012vidence of desnagging=nn large woody debris in stream OBunks oi' uniform shapclhciglrt
Remarks _ -_ -- Subtotal
III. Instream Habitat: Consider tltu pummiagc of tile: reach that is favorable for benthos colonlMlon or fish cover. If >700A of the
reach is roults, I type is present, cirulc tin: swro of 17. Definition: leafpacks consist of older leaves that are packed together and have
begun to decay (not piles of leaves in pool areas). Mark as Rare. Common. or Abundant.
.- -Rocks _'--Alaerophytes K Sticks and leafpaeks V�- Snags and lnCR 1— Undercut banks or root mats
AMOUNT 010 RLACH FAVORABLE FOR COi.ONTZATION OR C:OVTR
>70 % 40 -709/0 20-40% <20%
Score Score Score _ Sore
- -
4 or 5 types present ................. 20 16 12 8
3 types present ......................... 19 13 11 7
2 types prescat ......................... 14 10 6
1 type present ........................... l7 13 9 5
Notypes inne el ....................... > at
d \ln woody vegetation in riparian �nnc Remarks t< � - '�.� �--�
ZMZ-71
s
Subtotal
-- 1y
Ill. Bottom Substrate (silt, sand, detrilus, gravel, cobble, boulder) Look at entire reach fox substrate stirring,
but only look at
rime for embeddedness, and use rocks from all parts of riffle -look for "mud line" nr difficulty extracting rocks.
A. substrate with good mix or gravel, cobble and boulders
Scare
I. embeddedness <20% (vay little sand, usually only behiucl large boulders )......... ................
15
2. cmbcdoieolness 20- 40% ........................................................................... ...............................
12
1. crnbcddedness 40- 80%..........................................................................................................
8
4. embeddednem > 80% ................. _ ..................... .. ........................ ...........................................
3
H. substrate gravel and cobble
1. embeddedness -e10% ............................... _ ....... _.. ....... _ ............ _ ...... _................................
14
? embeddedness 20- 4t►%.._ ......... _ ... _ ...................................................... ...............................
11
3. embeddedness 40 -90% ................................... _...................................................................
6
4. embeddedness X809' 0 .................................................... _ ............ ....... _ ............ _ ......... .........
2
C:. substrate mostly Ravel
1. embeddedness < 50` Yo ........................................ ..................................... ...............................
8
2. embeddedness >5i) Jo .................................................... .. .................................. _..................
4
D. substrate homogeneous
1. substrate nearly all bedrock ................................................................... ...............................
2. substrate nearly all stand . ................................................ ...............................
3. substrate nearly all dc:tritus ...................... ........................ ...............................
2
4. substrate silt�y............. ....................................................... ...............................
subtotal
1
Remarks i/t S'�— �,�,..�,
TV. Pool Variety Pools are areas of deeper thmr average maximum depths with little or no surface: turbulence. Water velocities
associated with pools Are always slow. Pole may take the forrtr of "pocket water ", small pools behind boulders or obstructions, in
large high gradient streams, or side eddies.
A. Fouls present Sarre
1. Pools Frequent (s30% of 200in area surveyed)
a. variety of pool sizes ............................................................................... ............................_.. 10
b. pools about the same size (indicates pools filling in) ............................. ............................... R
2. Pools lafa:quent ( {3(% of the 200ru area surveyed) �-
a. variety of pool sizes.. ...................................................................... ............................_..
b. pools about the same sice ....................................................................... ...............................
. Pools absent ............................................................................................................. ............................... 0
Subtotal
Pool bottom boulder - cobble =hard i❑ Bottom sandy-sink as you walk ❑ Silt bottom E3 Some pools over wader depth
Page '1-otal ?9
43

V. Riffle Hobitata
Definition: Riffle is area of remration -can he debris darn, or narrow channel area. ltiffle • frequent Riffle-, Infrequent
Scare
A. well defined rifllc and run; riffle as wide as stream and extends 2X width ufstream.... �16 -`� 12
13. riffle as wide as stream but riffle length is rut 2X stream %vidth ..... ............................... i j::- 7
C. riffle not as wide as stream and riffle length is not 2X stream width ............................. 10 3
D. riftlen b nt ....... ............................................................. _ ................................ ........... 0
Channel Slopc: Typical for area Mteep fast now ❑Law =like a coastal strearn sublo(alA
V11. Bask Stability Aud Vegetation
FACF. UPSTREAM Left Bank Rt. Bank
Score Score
A. Banks stable
I . little evidcnw: of erosion or bank failure(except outside of bends), little potential for erosion.. 7 7
B. Erosion oreag present
1. diverse trees, shinibs, grass; plants healthy with good root %)sums ..... ............................... 6 6
2. few trees or small trees and shrubs; vegetation appears generally healthy ........................... 5 5
3. sparse milted vegetation; plant types and conditions suggest poorer soil binding ......... ....... 3 3
4. mostly grames, few if ;uiy trees and shrubs, high erosion and lailurc potential at high flow.. 2 ,?
5. little or no hank vegetation,•nnass erosion and bank failure cvidcnt ............ ._............................0 0
Remarks !'oral
VIL TAght Pcnetraliod Canopy is defined av tree or vegetative cover directly above the stream's surfkv. Canopy would block nut
sunlight when die sun is directly overhead. !Tote shading from mountains, but not use to score: this metric.
Score
A. Stream with goad canopy with some breaks for light penetration ....... . .............................. 10
H. Stream with full canopy - breaks for light penetration absent ...................... ...............................
C. Stream with partial canopy - sunlight and shading are essentially equal..... ... ............................
D. Stream with minimal canopy - full sun In all but a few areas ....................... ......................._.......
E. Ko canopy and no shading ......... .. ................ .. ......... _................................................................... U I�
Remarks 5ubtolul /
VM- RiParian Vegetative Zone Width
Definition: Riparian zone for this form is area of natural vegetation adjacent to stream (can go beyond Ilundplain). Definition: A
break In tine rlparian colic is any place on the Stream banks which allows sediment or pollutants to dircudy enter the stream, such as
paths down to stream, storm drains, uprooted trees, otter slides, Or-
'11: UPS 1'1t1:AM
Dotttinant ve gcxatiun: rtes Shrubs Grasses ❑ Weedsluld field L Exutics (kudzu, ctc)
TA. Hank
Score
Rt. Rank
Score
A. Ripaiian 7nne toot (n
1. width > 18 meters ..................................................... _ ....... .. .... ............ _..
5
5
2. width 12 -18 meters ................................................... ...............................
3. width 6 -12 meters
4
4
...................................................... ...............................
4. width < 6 meters .......................... .. ............. _ ...... _ .......... _.......................
3
2
3
2
H. Itiparlan zone not intact (breaks)
1. break ran:
a. width A 1 B meters .......................................... ...............................
TZD
4
b. width 12.18 meters ........................................ ...............................
3
3
c. width 6-12 meters ........................................ ...............................
2
2
d. width < 6 meters .......................................... ...............................
1
1
2. breaks common
a. width s IS metm ........................................... ...............................
b. width 12 -18 metem._ .................................... ...............................
c. width 6-12 meter ........................................ ...............................
d. width < fi metem ...... .. .......................... ........ ...............................
Remarks
❑ Disclaimer -form filled out, but score doesn't match subjective opinion - atypical stream.
44
3 3
2 2
1
0 0
Total
Page Total
'i'O'1'AL SCORE.-

3106 Revision 6
habitat Assossment Field Data Slieet
Mountain/ Picdmot( Streams
Biological Aiiemment Lait, T)WQ I'0"1'AT. SC 0HR
Directions for use: The observer is to survey a minimum of 100 meters with 200 meters preferred of stream, preferably in an
upstream direction Darting above the bridge pool and the road right -of -way. The segment which is assessed should represent
average stream conditions. To perform a proper habitat evaluation the observer needs to get into the stream. '1 o complete the form,
select the description which best fits the observed habitats and then circle Ilse score. If the observed habitat falls ui between► two
descriptions, select an intermediate score. A final habits) score is deterutined by ad ft the results flan the di1Y'ereint metrics.
Stream Locatiun/ruad: W J (Road Vamc )County (5=
Date -/Z. c" :€1 "" Batin_ , yr f✓ r��°t� Suhhacin
Observer() Type of Study: ❑ Fish ienthos O lsasinwide ❑Special Study (Describe)
I.atitade • �S3nl Longlwde 79- 03 1 Ecoregion: ❑ 1VII /Y 0 Slate Belt El 'Triassic Basin
Wafter Quality: Tcmpe:ratu e: — °C: DU � mgll Conductivity (co".) tSrcm pH
Physical Characterization: Visible land use refers to immediate area thatyou con ice from sampling location - include what
you estimate driving thru the watershed in watershed land use.
Visible Land Use: 3 ':�%17orest %I(esidential %Active Pasture % Active Crops
__-5 %Fallow Fields LO % Commercial 5- 9'oloduslrial '~ %other - Describe:
Watershed laud use: E311orest OAgriculture rban 13 Animal operations upstream
Width: (meters) S Eeepest m a 'Channel (at top of bank) Stream Depth: (>y� Av�_vlax ��
idth variable O Large river >25m wide ;
Bank Height ( part of riffle to top of bank-first flat surface you stand on): (m)
or
Bank Angle: "'� ° or VA (Vertical is 9M, horiamntal is 0°. Angles *> 909 ittdicalc slope is towards raid - channel, < 90°
in Irate slope is away from el. NA if bank is too low fur bunk angle to matter.)
C haturelized Ditch
imply inciscd- steep, straight bank banks undercut at bend aannel rllud in wi dirncxal
•cut uvcrbank deposits *dcvclopmenl mint slruetures FX used bedavck
P
O Excessive periphyton grow Heavy filamentous algae growth E3(lrct -,n tinge: Segos sruell
Mamnatdc Stabilization: ON Ri-rap, cement, gabions ❑ Scdiinc!ntfgrade- cwtiyd structure OBcrni/lcvcc
Flow conditions : 5'h ormal OT.ow
Turbidity: [Xlear Sh y 'Turbid O'1 urbid OTannic Colored (fron dyes) �r
Good potential to Wetlands Restoration Project ?? O YES NO Details
Channel Flow Status
Usefod espucially under abnormal or low flow conditions.
A. Water nauhc:s base of both lower baulks, minimal channel substnuu exposed ............................
B. Water falls >75% of available channel, or <25% of channel subgn-ate is cxTnsed ......................
C. Water filly 25.75% ofavailabic channel, many loVUsnags exposed .............. ............................... O
D. Rout mats out of watt: r ........................ _ ...... .. ......... ........... _._ .... ................................................... O
E. Very little rwatc_�r in crh'annel, mostly present as standing pools ............ .. ............... ....................... 13
Weather Conditions: POF; 91"1 A 16 I c706Il hotos. pfd � �igital ❑35mm
Remarks: ��t �lu AA4 �`6 �l�`��'- tc-7'
42

K b
L Channel Modification Score
A. channel natural, frequent bcttds ........... _ ............................................................ ............................... . ftA
D. channel natural, infrequent bends (channeliriticm could he old) ........ ........ ....................................
C. some channelintion present ......... . ............ ... ......... _ ........... ....................... _... ._ .......... _ ............... ... 3
U. more extensive channeliration, >401% of stream disrupted ............................................. _................ 2
L. no bends, completely chaaaelized or rip rapped or gabioned, etc ........................................... _........ 0
O Evidence of dredging ClEvidence of desnagging-no large wordy debris in stream ORanks of uniform shapclhcight�
Rcmurk5e_'**NN t-%_ 6,1jlo I_-j
tea= u-4�
TT. Tnstream habitat: Considcr the percentage of the much that i s fuvorablu fur benthus colonization or llsll Cover, if X70% of the
reach Is rocks, I type is present, circle the score of 17. Definition: Icafpac:ls wnsisl of older leaves that are packed together and have
begun to decay (not piles of leaves in pool areas). Marl: as Rare, Common, nr Abundant.
Rocks r— Maerophytes GSticks and leafpacks < ^Snsgs and logs -Undercut banks or rout mats
AMOUNT OF REACH FAVORABLE FOR COLONI.MfION OR COVKH
Score
>70%
40 -70%
20-40%
<20%
3. emheddedness 40- WAL .................. _.....................................................................................
Seuru
Score
Score
Score
4 or 5 types present.................
3 types present .........................
20
19
.16
15
11
8
7
2 type prc sent..:........ ..............
18
l 4
2
6
1 type present ...........................
17
13
9
5
No types present...... .................
0
1. substrate nearly all bedrock .................................................................... ...............................
3
2. substrate nearly all sand ........ _ ......... _._ ................................................. ...............................
0 No woody vegetation in riparian zone ltenuarks
_
2
4. substrate nearly all silt/ clay........._... ............... .....................................................................
Remarks I t ti Slot �`M� r�� � �"_ r_. _
Subtotal
111. Bottom Substrate (gilt, sand, detritus, gravel, cobble, boulder) Look at entire reach for substrate scoring, but only look at
riffle for embcddcdncs& and use rocks Crum all purls of riffle-look for "thud line" or difficulty extracting mcks.
A. substrate with good mix of gravel, cobble and boulders
Score
1, embeddedness <2(% (very little sand, usually only behind large buuldcrs ) .........................
15
2. embeddednem 20- d0°/ a .......................................................................... ...............................
12
3. emheddedness 40- WAL .................. _.....................................................................................
8
4. entbeddedness >80% ....................... ................................................ ..................I.,..........
3
B. substrate gravel and cobble
1. embeddeduess < 20% ..................................... .. ....................................................... _ ...... _....
2. embeddeduess 2040% .......................................................... _... ......... . . ........................ _.....
11
3. embeddeduess 40 -80 o ......................................................................... ...............................
6
4. embxrddedne%> 80° r6 ............................................................................. ...............................
2
C:. substrate mostly gravel
1. cmbcddedncss < 50%.............................................. ............................... ...............................
8
2 cmbeddcdncss >50% ............................................................................. ...............................
4
1), substrate homogeneous
1. substrate nearly all bedrock .................................................................... ...............................
3
2. substrate nearly all sand ........ _ ......... _._ ................................................. ...............................
3
3. substrate nearly all detritus ............... _ .................. ................ ... .......................................
2
4. substrate nearly all silt/ clay........._... ............... .....................................................................
Remarks I t ti Slot �`M� r�� � �"_ r_. _
1
Stubtotal I
1V. Pool Variety Pools are areas of deeper than average maximum delnhs with little or no surtac.: turbulence. Water velocities
ussucimc d with pools ure always slow. Pools may take the form of "pocket water ", small pools behind boulders or obstructions, in
tarp high gradient strcunas, or side eddies.
A. Pools present Score
I . Pools Frequent ( >30% of 200m tacit surveyed)
avariety ol'poul size s ................................................................................ ............................... 10
h. pools about the some size (indic aws pools filling in) ............................. ............................... R
2. Pools Tnfrcqucnt (1300:0 of the 200m area surveyed)
a_ variety oi'pool sues ............................................................................... ............................_.. Ci
h. pools about the same sizc ................... ............. ........ ......... .. .................. . . ............... ............... 4
1t, Pools absent .... ......................................................... _ .... _....................................................................... 0
� � 'Subtotal %Q
�.= ottom bo ulder- cobble -hard ,P�Tiottvm sandy -sink as you walk Silt bottom O Some puols over wader depth
/ '
- Pagc'rotal_39''
43

f,tr�� t�
V. Riffle Habitats
Definition: Rifllc is area of reacxalion -can be debris darn, or narrow channel area. Riffle Tr,egaent ffles Infrequent
core Score
A. well dctined riffle and nun, riffle at wide as stream and extends 2X width of stream.... 12
B. rililc as wide as stream but riffle length is not 2X stream width ..... ............................... 14 7
C. riffle not as wide as stream and riffle length Is not 2X stream width ............................. 10 3
D. riffles t. .................................................................................. ................_.............. 0
Channel Slnpe; '1 ypical for area Micep fast flaw Mow- -like a coastal dream SubtotalA
V1. Bank Stability and Vegetation
FACE i:PSTRF.AM T.eR Rank lit. Hank
Score Score
A. Banks stable _
1. little avid, -ncc of cro%ion or bank failure(except nutside of bends), little potential for erosion.. 7 7
B. EmAnn nrea s present
I, diverse trees, shrubs, grass; plants healthy with good rout system ...... ............................... .0 b
2. few trees or small trees and shrubs; vegetation appem. generally healthy ........................... 5 ��
3. sparse mixed vcgctabon; plant types and conditions suggest poorer soil binding ................. LlD
4. nuvMy grosses, few if any trees and shrubs, high erosion and failure potential at high flow.. 2
5. little or no hank vegetation, mass erosion and batik failure evident ............. ..............................0 0
Total (�
Remarks
VII. Light Penetration Canopy is defined as tree or vegetative cover directly above the stream's surface. Canopy would block out
sunlight when the sun is directly overhead. Note shading from mountains, but not use to score this metric.
Score
A. Stream with good canopy with some breaks for light penetration ............. ............................... 10
B. Stream with full canopy - breaks liar light pcnctmtion abscnnt ............ _ ........................ .............. 8
C. Sim-= with partial canopy - sunlight and shading are essentially equal ..... ............................... rl—a
D. Stream with minimal canopy - fbil sun In all but a few area ........................ ............................... 2
F. No canopy and no shading ............................................................................. ............................... 0
Remarks Subtotal
VIU. Kipariun Vegetative Zone Width
Definition: Riparian zone for this form is area of natural vegetation adjacent to stream (can go beyond floodplain). Definition: A
break in the riparian fume is any place on the stream banks which nllows sediment or pollutants to directly enter flit stream, such as
paths down to stream, storm drains. uprooted trees, otter slides, etc.
F. Ups'! l,:AM Lei. Bank Rl. !lank
Dominant vegetativm: Trees Shrubs A Grasses ❑ Weeds/old field l irxotics (kudzu, etc) Score Score
A. Riparian Ton n act (no breaks)
I. width - 18 meters ...................................................... ............................... 5 5
2. width 12 -18 meters. ............................................................... .................. 4 4
3. width 6 -12 me o ...................................................... ............................... 3 3
4. width <6 mete: rs .... .. .......................... . ............. .................. _................... 2 2
D. Riparian zunc not intact (breaks)
1. breaks rare
H. width > 18 mctcrs ........ _ ............................... ............................... 4 4
. width 12. 1 R meters ........................................ ............................... 3 .l
c. width 6 -12 meters........................................ .. ............................. 2 2
d. width < Cr rncters ......................................... ............................... 1 1
2. breaks common
a. width > I A meters .......................................... ............................... 3 3
b. width 12. 18 meters ._ ............. ...................... ............................... 2
c. width 0-12 meters ........................................ ...............................
d. width < 6 meters ......................................................................... 0 0
Remarks fo
Page •Total Ze)
❑ Disclaimet -form filled out, but seem doesn't match subjeulivc opinion - atypical strs"am. TOTAL SMRE_�
44

3/06 Revision 6
Habitat Assessment Field Data Sheet
Mountain/ Piedmont Streams
Biological Assessment llnit, DWQ JTOTALSCORE
Directions ibr me: The obsLrvcr is to survey a minimum of 100 meters with 200 meters preferred of stream, preferably in at)
upstream direction starting abovc•the bridge tool and the mad right -of -way. The sc:pncnt which is assmsed should represent
average stream conditions. To perform a proper habitat evaluation the observer needs to get into the stream: To complete the i'urm,
select the description which best figs the observed habitats and then circle the score. if the observed habitat falls in between two
descriptions, select an intermediate score. A final habitat score is determined by adding the results fnnn the diMrent metrics.
SIM= Localion/road:9wAr -1Sr (Road Name )County (!5;,u l c-t"Z.,O
%2.. C(N —
0,::�- 0 4o -02-
Observer(q) V-1> Type of Study: O Fish *ntho% O Basinwide OSpcc:ial Study (Describe) =
� w
T.atitcrcie_ L . et a l i ongitude 7R. $3 I l S'- Aonregion: O Afi' ZV O Slatc Belt O Triassic Basin
Wafer Quality: 'temperature =` °C: 1lU mgill Conductivity (corr.) 15 /cm pH —
Physical Characterization: Visible land use refers to immediate area that you can see from sampling location - include what
you extimate driving thru the watershed In watershed land use.
Vis' le land Ilse: �W 11/aForest 357 %Residcxrtial %Active Pasturc % Active Crops
°loFallow Fields _�0 % Commercial %Tndtstrial %()then - Describe:
Watershed land use: ❑Forest ❑AgricultureyJrban ❑ Animal operations upstream
Width: (utctcrs) Struani 7— Channel (at top of bank) �— I -!�—Slream Depth: (pd Avg 4 max ra
W kith variable ❑ Large river - 25rn wide t�
Bank Height (from dccpcst part of rif Ic to top of bank -first flat surface: you stand on):
)tank Angle. " orXNA (Vertical is 90 , horizontal is 0. Angles - 90' indicate slope is towards mid- clmnnel, < 90°
indicate slope is away from diamtel. NA if bank Is too low for bank single to matter.)
❑ L nnneli7ed Ditch
ply incised- steep, straight b th banks undercut at bond ❑Channel filled In with sediment
I overban: deposits development ❑1luried structures ❑T•.xposed bedmck
❑ lvccessive periphyto wltt ❑ leavy filamentous algae growth ❑Greet, tinge O Sewage snrell
Manmxdu Stabilimtion: Y: ❑Rip -rap, cenuxrt, gabiuns ❑ SedinteuUgrade- control structure ❑Llerrn/levee
Flow conditions : Hi nmal Mow
Turbidity: ❑C:lear Xclightly Turbid ❑ OM OTannic DMi Colored (from dyes)
Good potential for Wetlands Restoration Project?? ❑ YES 0 Detal7s
C2r®nael Now Stratus
Useful especially under abnonual or low flow conditions.
A. Water reaches base of both lower banks, n,ltutnal channel substrate exposed ............................ ❑
D. Watc.•r Us >75% of avaiiablc uhannul, or <25% of ulianuel substrate is exposed ........................ ❑
C. Watcr tills 25 -75% of available ultttnnul, many Wsuags exposed .............. ...............................
D. Rout mats out of wat. ................................................................................. ............................... ❑
..
E. Very little wirer in chnnnul, mostly present as standing puuls..................................................... ❑
Weather Conditions:- - �� IfVf hotas: 13N )(Y XDigital O35mm
Items s: r� �t+t.- t Fq R-ut� y dF jJ� �1,ft tr-►,S j ti -!� ,.,, ,,.., � $
42

1. Channel Modification 52M
A. channel natural, frequent bends ......................................................................... ............................... ��
R. channel natural, infkeequent bends (channalization could be old) ....................... ............................... 4
C. some channeliaation present ............................................................................... ............................... 3
D. more extensive chanuelication. >4WYo of stream disrupted ................................ ............................... 2
P. no bends, completely channolice:d or rip rapperd or gabiuncd, etc ............................ _ ... _................ 0
0 Evidence of dredging OLvidcn*u of dcstragging -nu huge; woody debris in strum OBanks of unillbrm shapclhcight
Remarks Subtotal
11. lnstream Habitat: ronsider the percentage of the reach that is favorable for benthos colonization or fish cover. if >70 %of the
reach is rocks, 1 type is present, circle the score of 17. nefinitinn: leafpacks consist of older leaves that are packed together and have
begun to decay (not piles of leaves in pool areas). Mark as hare, Con won, or Abundant.
G Noels -0—' Macruphyles GStichs and leafpaLks G Snags and logs G11ndercut hanks or root mats
AMOUNT OF REACH FAVORABT,F. FOR COTANT7.ATTON1 OR C:OVTR
Ill. BoUom Substrate (silt, sand, detritus, gravel, cobble, boulder) Took at entire reach for suhdrate scoring, but only look at
riffle for embetddeelaess, and use rucks li•om all parts of riffle -look for "mud line" or difficulty extracting rocks.
A. substrate with good mix of gravel, cobble and boulders
>70%
40 -70%
20.40%
<20%
12
Score ,-
-Score
Scare
Score
4 or 5 types present .................
20
1 1 6
12
a
3 types present .......... ..............
2 types present .........................
19
18
! I4
i
11
10
7
6
1 type present ...........................
17
2. embcddt dncss >50L ............................................ ._._ ........................... _ ...... _................
9
5
No types present .......................
0 Two in liernarks
0
3
2. substrate nearly all sand ......................................................................... ...............................
Subintal±!�
woody vegetation riparian done`
2
4. substrate nearly all sib! clay .................................................................... ...............................
1
Remarks
Subtotal
Ill. BoUom Substrate (silt, sand, detritus, gravel, cobble, boulder) Took at entire reach for suhdrate scoring, but only look at
riffle for embetddeelaess, and use rucks li•om all parts of riffle -look for "mud line" or difficulty extracting rocks.
A. substrate with good mix of gravel, cobble and boulders
Score
1. embeddedness <20% (very little sand, usually only behind large bou lders) .........................
15
2. embeddednesc 20- 400 4w .......................................................................... ...............................
12
3. embeddedness 40- Roo/ u .......................».................................................. ...............................
8
4. ernbeddedness > 80% .............................................................................. ...............................
3
B. substrate prxvel and Bubble
1. embeddedness < 20% ........................................................................... ...............................
2. embeddedness 204 OP/o .......................................................................... ...............................
3. embeddednes., 40 -80" /o ......................................................................... ...............................
r
4. embcddedncss> 800,'& ................ ................................... ..........._....... ........_......_......_........
2
C. substrate mostly gravel
1. cmbtddcdncss e50%....._ ..................... .. ....................... _ ................. _ ....... ._ .............. .........
8
2. embcddt dncss >50L ............................................ ._._ ........................... _ ...... _................
4
IX substrate homogeneous
1. substrate nearly all bedrock.............................................. ...................... ...............................
3
2. substrate nearly all sand ......................................................................... ...............................
3
3. substrate nearly all detritus ..................................................................... ...............................
2
4. substrate nearly all sib! clay .................................................................... ...............................
1
Remarks
Subtotal
TV. Pool Variety Pools are areas of deeper than average to minetun dcpIhs with little or no surface: turbulence. Water velocities
associated with pools are always slow. Pools may lake the furm of "pocket water", small pools behind boukicrs or obstructions, in
large high gradient streatus, or side eddies.
A. Pools present Score
1. Pools Frequcnt ( >30% of 200m arcs surveyed)
a. varidy or pool sizcs ...... _ .................. _ ............................ ............
..... _ ....... _ .... .................... .. 10
b. pools about the same size (indicates pools filling in) ............................... _.......................... R
2. Pools Int're. -yucnt (<30% of the 200m area utrveyed) -
a. variety of pool sizcs ......... _._ ........................ _._ ........................................ _ ... _. ............. _....
b. pools about the :same size ...................................................................... ...............................
B. Poalq absent ............................................................................................................ ............................... 0
Subtotal
XRool bottom houlder- cobble -hard O Bottom sandy -sink as you walls 0 Silt bottom E3 due pools over wader depth
Remarks
43
Page; Total Sj

V. Riffle Habitats
Definition: Riffle is area of reaeralion -can bu dubris dam, or narrow channel arcs. Riffle. infrequent
$core
A. well defined riMc and run, rilllc as wide ac 9trcam and extends 2X width of stream..., lji. -, 12
U. riffle as wide as stream but ritlk Icngth is not 2X stream width ..............................- (l„4.., 7
C. riffle not to widu as strvam and riffle length is not 2X stream width ............................. 10 3
D. riffles ilih.5pet ................................................................................... ............................... 0
Channel Slope }pical fbr area OSteerfast flow Mow -ill{e a coastal struitnt Subtotal
VT. Hanle Stability and Vegetation
FACE UPSTREAM left Rank Rt. Rank
Score Setae
A. hanks stable
1.little evidence of erosion or bank tailurcs(cxcrpt outsidc of bends), little potential for erosion.. 7 7
D. Erosion areas present
1. diverse trees, shrub4, grass; plants healthy with good root syst ems ...... ............................... q6
2. few trees or small trees and shrubs; vegelation appodrs generally healthy ......... _ ................ i
3. sparse muted vugelatiun; plant types and ctuAitinns srtggest poorer soil binding ......... _...... 3 3
4. mostly grasses, few if any trees and shrubs, high erosion and failure potential at high flow.. 2 2
5. little or no bank vegetation, mass erosion and bank fai lure evident........... .. ..............................0 0 I �
Total
Remarks
VTT. Tight Penetration Canopy is defined as trig: or vegetative cover directly above the rstmam's surface, t'.anopy would block not
sunlight when the sun is directly overhead. Mote shading from mountains, but not use to score this metric.
A. Stm;am with good canopy with some breaks for light penetration ............................................. 10
A. Stream with fall canopy - breaks for light penctratiun absent ................... _ ............... _ .......... -...
C. Stream with parlial canopy - sunlight and shading arc essentially equal ..... ...............................
D. Stream with minimal canopy - full sun in all but a ", areas ........................ ............................... 2
E. No campy and no shading ..................................................................... ...............................
Rmnarks Subtotal
Viii. Riparian Vegetative Zone Width
Definition: Riparian cone for this form is area of natural vegetation adjacent to stream (can go beyond floodplain). Definition: A
break in the riparian zone is any place on the strum banks which allows sediment or pollutants to directly enter the stream, such as
paths down to stream, storm drains, uprooted trt:cs, otter slidcs, cte.
�F1jG'F. [:PSTRF.AM
Ilonrinant vegetation: Tnus Shrubs Grasses O Weeds/old field �(xotics (Icud7�r, etc)
Lit. hank RI. Bank
Score Score
A. Riparian zon intact (no breaks)
1. width > 18 meters....................... ............................... ...............................
5 5
2. width 12 -18 meters .................................................... ...............................
4 4
3. width 6 -12 meters........ .............................................. ...............................
3 3
4. width < 6 meters............... ........................................ ...............................
2 2
R. Riparian zone not intact (breaks)
1. breaks rare
a. width > 18 nxr lcrs .................................... _ .............. _ ... _..............
b. width 12 -18 mcturs .......... _ ....... _...._._.........................................
4 4
`
3-1
c. width 6-12 mmcrs.._ ...................... _ .................................... .......
-�
2 2
d. width <6 meters ......................................................... _..............
2. breaks common
a. width> 18 meters ......................... _...._........................................
b. width 12-19 mLtcrs .................... _...._ ................. _.......................
c. width 6 -12 meters ............ _ .......................... ...............................
d. width < 6 mctcxs ......... ............... _..._ ...... _ . ...............................
Remarks
❑ Disclaimcr-fnrm filled out, but score doesn't match subjective opiuion- atypical streurn.
44
3 3
2 2
1 1
Q OJ
'Total (rte
Page Total 38
TOTALSCORE_7 L—

Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation
Appendix C: Threatened and Endangered Species
Database Information and Department of Cultural
Resources Letter
Brown,,DCaldwell
G1
Use of contents on this sheet is subject to the limitations specified at the end of this document
P. \Greensboro \140976 - Ardmore Park Stream Restoration \300- PermiWng\010- 404_401 PermRtmg \PCN\Ardmore PCN Support Documentdocx

8zma &= U.S. Fish and Wildlife Service
SERM08
Natural Resources of Concern
M
This resource list is to be used for planning purposes only — it is not an official species list.
Endangered Species Act species list information for your project is available online and listed below for
the following FWS Field Offices:
RALEIGH ECOLOGICAL SERVICES FIELD OFFICE
POST OFFICE BOX 33726
RALEIGH, NC 27636
(919) 856 -4520
Project Name:
lydmore Park Stream Enhancement Project
06/23/2013 Information, Planning, and Conservation System (IPAC) Page 1 of 4
Version 1.4

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U.S. Fish and Wildlife Service
Natural Resources of Concern
Project Location Map:
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Project Counties:
Guilford, NC
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Geographic coordinates (Open Geospatial Consortium Well Known Text, NAD83):
MULTWOLYGON (((-79.837051136.0550309, - 79.8392763 36.0501145, -79.840391136.050444 1,
-79.838028136.0554306, -79.837051136.0550309)))
Project Type:
Guidance
0623/2013 Information, Planning, and Conservation System (lPAQ Page 2 of 4
Version 1.4

S��oe
U.S. Fish and Wildlife Service
Natural Resources of Concern
OF
Endangered Species Act Species List (-U,-SF--WS Endangered Species Program).
There are a total of 1 threatened, endangered, or candidate species, and/or designated critical habitat on your species list. Species on
this list are the species that may be affected by your project and could include species that exist in another geographic area. For
example, certain fishes may appear on the species list because a project could cause downstream effects on the species. Please
contact the designated FWS office if you have questions.
Species that may be affected by your project:
Flowering Plants
Status
Species Profile
Contact
Small Whorled pogonia (Isotria medeoloides)
Threatened
species info
Raleigh Ecological Services
Field Office
FWS National Wildlife Refuges (USFWS National Wildlife Refuges Program).
There are no refuges found within the vicinity of your project.
FWS Migratory Birds (-U-,S—FWS Migratory Bird Program).
Most species of birds, including eagles and other raptors, are protected under the Migratory Bird Treaty Act (16
U.S.C. 703). Bald eagles and golden eagles receive additional protection under the
Bald and Golden Eagle Protection Act (16 U.S.C. 668). The Service's Birds of Conservation Concern (2008) report
identifies species, subspecies, and populations of all migratory nongame birds that, without additional
conservation actions, are likely to become listed under the Endangered Species Act as amended (16 U.S.0 1531
et seq.).
NW[ Wetlands (USFWS National Wetlands Inventory).
The U.S. Fish and Wildlife Service is the principal Federal agency that provides information on the extent and
status of wetlands in the U.S., via the National Wetlands Inventory Program (NWI). In addition to impacts to
wetlands within your immediate project area, wetlands outside of your project area may need to be considered
in any evaluation of project impacts, due to the hydrologic nature of wetlands (for example, project activities
may affect local hydrology within, and outside of, your immediate project area). It may be helpful to refer to
the USFWS National Wetland Inventory website. The designated FWS office can also assist you. Impacts to
wetlands and other aquatic habitats from your project may be subject to regulation under Section 404 of the
Clean Water Act, or other State/Federal Statutes. Project Proponents should discuss the relationship of these
0623/2013 Information, Planning, and Conservation System (1PAQ Page 3 of 4
Version 1.4

MMA06IM U.S. Fish and Wildlife Service
521MOR
Ak
Natural Resources of Concern
requirements to their project with the Regulatory Program of the appropriate
U.S. Army Corps of Engineers District.
06/2311013 Information, Planning, and Conservation System OPAQ Page 4 of 4
Version 1.4

-
+��
North Carolina Department of Cultural Resources
State Historic Preservation Office
Ramona M. Banos, Administrator
Governor Pat McCrory
Secretary Susan Kluttz
July 15, 2013
Shearin Dramby
Dramby Environmental Consulting, Inc.
4817 Bristol Circle
Williamsburg, VA 23185
Re: Ardmore Park Stream Enhancement, Greensboro, Guilford County, ER 13 -1083
Dear Ms. Dramby:
Thank you for your letter of June 3, 2013, concerning the above project.
Office of Archives and History
Deputy Secretary Kevin Cherry
We have conducted a review of the project and are aware of no historic resources which would be affected by
the project. Therefore, we have no comment on the project as proposed.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR
Part 800.
Thank you for your cooperation and consideration. If you have questions concerning the above comment,
contact Renee Gledhill- Earley, environmental review coordinator, at 919- 807 -6579 or renee.gledhill-
earleyou,ncdcr.gov. In all future communication concerning this project, please cite the above referenced
tracking number. _
Sincerely,
�W`Ramona M. Bartos
Locadoa 109 Bast Jones Street, Ralco NC 27601 Mailing Address: 4617 Mail Service Center, Raleigh NC 276994617 Telephone /Fps:: (919) 807 - 6570/807 -6599

Dramby Environmental Consulting, Inc.
June 3, 2013
Ms. Renee Gledhill - Earley
State Historic Preservation Office
4617 Mail Service Center
Raleigh, NC 27699 -4617
Subject: Ardmore Park Stream Enhancement Project
SHPO Environmental Review
Dear Ms. Gledhill - Earley:
DRAMBY
ENVIRONMENTAL
CONSULTING
Dramby Environmental Consulting, Inc. (DEC) has been contracted by Brown and Caldwell and
the City of Greensboro to assist with a stream enhancement project within Ardmore Park
located in Guilford County, North Carolina (Figure 1). The subject property is generally bounded
by South Holden Road to the west, Belmar Street to the east, Immanuel Road to the north, and
Interstate 40 (1-40) to the south. The City of Greensboro is proposing to enhance approximately
2,000 linear feet of stream channel. Buffer enhancements and water quality features are also
proposed as part of the project.
DEC accessed the North Carolina State Historic Preservation Office's (SHPO) new online GIS
Mapping Application for information on known historic properties located within or near the
project area. Based on that information and a site reconnaissance during the stream
delineation, no known historic properties are located within or immediately adjacent to the
project area. An application for a U.S. Army Corps of Engineers 404 Nationwide Permit and
associated North Carolina State 401 Water Quality Certification will be submitted for the
proposed project. As part of due diligence for permitting, please review this project for
potential effects to historic and archaeological properties. Figures and photos of the project
area are attached for your review.
Please contact me at (757) 894 -1673 or sdramby @drambvenv.com should you have any
questions or require additional information. Thank you for your time and consideration of this
project. I look forward to hearing from you soon.
Sincerely,
Dramby Environmental Consulting, Inc.
J.
LO. Dramby
Principal / Senior Regulatory Specialist
Enclosures
4817 Bristol Circle • Williamsburg, Virginia, 23185 • (757) 894 -1673

Ardmore Park Stream Enhancement Project
Project Site General Photographs

Ardmore Park Stream Enhancement Project
Project Site General Photographs

Ardmore Park Stream Enhancement Pre-Construction Notification and Supporting Documentation
Appendix D: FEMA Map
8mwn ,mCatdwdl
D-1
Use of contents on this sheet is subject to the limitations specified at the end of this document
P. \Greensboro \140976 - Ardmore Park Stream Restoration \300- Permitting\010. 404_401 Permitti ng \PCN\Ardmore PCN Support Document.docx

GRID NORTH
CALE I"= 500' (1 : 6,000)
250 500 750 1,000
FEET
METERS
PANEL 7853J
FIRM
FLOOD INSURANCE RATE MAP
NORTH CAROLINA
PANEL 7853
(S =E LOCATOR DIAGRAM OR MAP INDEX FOR FIRM PANEL
LAYOUT)
CONTAINS
COMMUNITY CID No. PANEL SUFFIX
GREENSBORO. CITY OF 375351 7853 .,
GUILFORD COUNTY 370111 7853
Nonce to User The Map Number shown below should be used
when placing map orders , the Community Number shown above
should be used on insurance apphcalions for the subject
community
EFFECTIVE DATE MAP NUMBER
JUNE 18, 2007 3710785300)
M.swt„ o�p r,ory
e...J tF��ND Se�yQ
State of North Carolina
Federal Emergency Management Agency
This is an alnclal copy of a portion of the above referenced flood map. It
was extracted using F -MIT On -Line. This map does not renect changes
or amendments which may have been made subsequent to the date on the
title block. For the latest product information about National Flood Insurance
Program good maps check the FEMA Flood Map Store at www. mse.fema.gc

Ardmore Park Stream Enhancement Pre - Construction Notification and Supporting Documentation
Appendix E: Design Drawings
BrownADCaldwell
E -1
Use of contents on this sheet is subject to the Iimrtations specified at the end of this document
P: \Greensboro \140976 - Ardmore Park Stream Restoration \300- Permittmg\010- 404_401 Permitting \PCN\Ardmore PCN Support Document.docx

❑ ' \ / \
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CONTRACTSHEET
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SENSITIVE INFORMATION
Not to be copied or distributed
without the express written
permission of the City of
Greensboro.
ago
Lot AL'�
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AM. DATE
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SEAL ENTIRE UPSTREAM FACE OF —�
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WITH 12-OL NONdMOVEN OEDTEXTILE —
FABMC AND NATIVE OR IMPORTED
SOIL MIXTURE COMPACTED TO 96% OF =1 I I
MAXIMUM DENSITY OF ASTN D898 (TYP )
MINIMUM 3L: 2N x TD , .
BOULDER FOOTERS
FOOTER BOULDERS TO EXTEND
MINIMUM OF ONE COURSE BELOW
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LIFTS COMPACTED TO NOTE SEE SHEET C-6 FOR STAKING ORFORMATON AND
96% COMPACTION ACCORDING SHEET$ C-S AND C-0 FOR LAYOUT INFORMATION OF
TO ASTM 0689 FILL SHALL BE BOULDER CROSS VANES.
NATIVE MATERIAL OR COMMON
EARTH BACK FILL
NOTE
1 ALL BOULDERS SHALL HAVE A MORE ANGULAR SHAPE WITH AT
DIMENSIONS
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CA
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2. BOULDERS SHALL BE BLASTED QUARRIED GRANITE.
ONO INSTALLATION OF
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SWILL BE FILLED IN 84NCH
LIFTS COMPACTED TO NOTE SEE SHEET C-6 FOR STAKING ORFORMATON AND
96% COMPACTION ACCORDING SHEET$ C-S AND C-0 FOR LAYOUT INFORMATION OF
TO ASTM 0689 FILL SHALL BE BOULDER CROSS VANES.
NATIVE MATERIAL OR COMMON
EARTH BACK FILL
y
/ / /
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NOTE:
1 ALL BOULDERS SHALL WIVE A MORE ANGULAR SHAPE WITH AT
LEAST TWO FLAT SOES FOR STACKING,
2 BOULDERS SHALL BE BLASTED QUARRIED GRANITE,
SEAL ENTIRE UPSTREAM INSTALL BOULDER SILL AT
FACE OF STRUCNRE, ELEVATION SHOWN DIN
INCLUDING WINGS, WITH CONSTRUCTION PLANS -
GEOTEXTILE FABRIC (TYP) A
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BOULDERS
FLOW a / //% �.G
hOFC ANNEL WIM
FOOTE
ELEVATIONS
DIMENSIONS
CROSS VANE
A
B
C
D
E
F
1
7B2 6'
n&r
2r
24'
P
T
2
790A'
7817'
2r
2r
r
T
3
786.8'
7975
1S
4'
9
T
y
/ / /
�D�
NOTE:
1 ALL BOULDERS SHALL WIVE A MORE ANGULAR SHAPE WITH AT
LEAST TWO FLAT SOES FOR STACKING,
2 BOULDERS SHALL BE BLASTED QUARRIED GRANITE,
SEAL ENTIRE UPSTREAM INSTALL BOULDER SILL AT
FACE OF STRUCNRE, ELEVATION SHOWN DIN
INCLUDING WINGS, WITH CONSTRUCTION PLANS -
GEOTEXTILE FABRIC (TYP) A
xmatr
MINIMUM T DIA
VANE AND FOOTER
BOULDERS
FLOW a / //% �.G
hOFC ANNEL WIM
FOOTE
NVTE SEE SM¢ET C6 FOR STAKING INFORMATION
AM SHEETS"AND"FOR LAYOUT
INFORMATION OF BOULDER across VANES.
28.3,
18 -2
TYPICAL BOULDER DIMENSIONS
ELEVATIONS
DIMENSIONS
EXTEND I&24• BOULDERS
VANE
A
B
C
1 D
1
79MA'
796A'
21'
W
2
791,0'
7910
IV
4'
3
7910'
7919
24•
4'
4
78"
7975
1S
4'
9
78&4'
787.3'
IF
4'
8
7995 1787
1'
If
4'
NVTE SEE SM¢ET C6 FOR STAKING INFORMATION
AM SHEETS"AND"FOR LAYOUT
INFORMATION OF BOULDER across VANES.
28.3,
18 -2
TYPICAL BOULDER DIMENSIONS
MINMW M 2 DNA. OFFSET FOOTER BOULDER
SILL BOULDERS 1F WIM IN DIRECTION OF FLOW
BOULDERS SHOULD SLOPE
SLIGHTLY AGAINST FLOW
Q -�'� LNILM,r OF NATURAL
B I STREAM SAw � MATERIAL
PLACED ONANEA UPSTREAM
D FACE OF VANE AM FLOW
~ WINE BOULDER SCOUR HOLE TO BE EXCAVATED
DURING INSTALLATION OF
SEAL ENTIRE UPSTREAM FACE _ STRUCTURE USE 1r NATURAL
OF STRUCTURE, INCLUDING WINGS, -� CHANNEL BED MATERIAL
WITH 12 OZ. GEOTEXTLE NONJWOVE7 TO ACHIEVE FINAL GRADE (TYP)
/ 'TOE OF S T R E A M BANK
FABRIC AND NATIVE OR IMPORTED
SOIL MIXTURE COMPACTED TO 96% — —
/
—
EXTEND I&24• BOULDERS
FLOW
WOVENGEOTEXTILE
BOULDER FABRICS'SELOW
FOOTERS (TYP) BOTTOM OF FOOTER
BOULDER In'P )
— SCOUR HOLE TO BE
AT END OF VANE ARM UP
EXCAVATED DURING
INSTALLATION OF
STRUCTURE
TOE OF STREAM BANK
CONTRACT SHEET
lobk:�'r
FILL LIFT
To TOP OF BANK ALONG
TOP OF STREAM BANK
OF 21
INSTALL BOULDER SILL AT
FOOTER BOULDER$ ��)
STREAM BANK SLOPE TO
PREVENT SCOUR
ELEVATION SHO7��ffj
SENSITIVE INFORMATION
CONSTRUCTION
Not to be copied or dlabibuted
VEGETATED SOIL LIFT
$TaEAM
aAIIC
ee��
DETAIL cB cs
Without the expre38 Wfitten
Bi�WnA1O
: R W NCEBBW
permission of the City of
SEAL ENTIRE UPSTREAM
dH
we xO.Jp• B
NC UvS Nu
B EXTEND
FABRIC BETWEEN
Greensboro.
FACE OF G WINGS. W,
INCLUDING WINGS. WITH
C
,/ .
BOULDER HEADWALL
GEOTE%TILE FABRIC (TYP)
FOOTER BOULDER (TYP)
UU A WSr
s1l TTY
B
TOE OF STREAM ENS(
OUSTING CONCRETE
� �
f�
3
A
A
A
A
COIIdLT01o1�G1W Olf�
'
OIY ound
TOE OF STREAM SAW
TOE OF
A
STREAM BANK
m0
DOT 10
m9IW12 m. Talons
COS
SCOUR HOLE TO BE
SCOUR HOLE TO BE
vfINly ,�
SCOT •_�_
WEIR BOULDER
y
EXCAVATED OURMIG
EXCAVATED DURING
INSTALLATION N
,
O ;,% INSTALLATION OF
STRUCTURE STRUCTURE
N PDES
Ck-
EXTEND 18.24' BOULDERS
EXTENDED CONCRETE
4e,
'7 B
AT END OF VINE ARM UP
BRIDGE ABUTMENT
B
General Permit
TO TOP OF BANK ALONG
STREAM BANK SLOPE TO
PREVETS000R
Does Apply
YIHIgIM 2 DIAL
r DMS(TYP)
STREAM
ULDER
TOST PRF..ACAY
DISTURBED AREA
SILL BUM
BNIC
4.10 Acres
END FOR VANES
NCRETE
PLAN
ABUTTING CO HEAD WALLS
BOULDER CROSS VANE
DETAIL @
@
NO SCALE
MINMW M 2 DNA. OFFSET FOOTER BOULDER
SILL BOULDERS 1F WIM IN DIRECTION OF FLOW
BOULDERS SHOULD SLOPE
SLIGHTLY AGAINST FLOW
Q -�'� LNILM,r OF NATURAL
B I STREAM SAw � MATERIAL
PLACED ONANEA UPSTREAM
D FACE OF VANE AM FLOW
~ WINE BOULDER SCOUR HOLE TO BE EXCAVATED
DURING INSTALLATION OF
SEAL ENTIRE UPSTREAM FACE _ STRUCTURE USE 1r NATURAL
OF STRUCTURE, INCLUDING WINGS, -� CHANNEL BED MATERIAL
WITH 12 OZ. GEOTEXTLE NONJWOVE7 TO ACHIEVE FINAL GRADE (TYP)
/ 'TOE OF S T R E A M BANK
FABRIC AND NATIVE OR IMPORTED
SOIL MIXTURE COMPACTED TO 96% — —
/
—
OF MAXIMUM DENSITY OF ASTM 0888 (TYP) I I I
EXTEND 12— Haw
FLOW
WOVENGEOTEXTILE
BOULDER FABRICS'SELOW
FOOTERS (TYP) BOTTOM OF FOOTER
BOULDER In'P )
— SCOUR HOLE TO BE
12 -18' COBBLE
EXCAVATED DURING
INSTALLATION OF
STRUCTURE
TOE OF STREAM BANK
SECTION -A
PLAN
,s -r
TYPICAL BOULDER DIMENSIONS
B
FOOTER BOULDERS 7O EXTEND
MINIMUM OF ONE COURSE BELOW
80.oW 87REAM BED TO PROVOE
soDIm PROTECraN
SECTION-13
BOULDER VANE
DETAIL Ce @
NO SCALE
SEE SHEET C-19 FOR SPACUNG FINAL GRADE SHALL MATCH GRADE TOP OF SLOPE TO DRAIN
CONTAINER OR TUBLMO EXISTING BANK ELEVATION
PWNTINGS (TYP,)
LONGITUDINAL
NATIVE SEED MIX ANCHOR
TRENCH
MINIMUM 17 COMPACTED TOPSOIL PLACED UNDER 1r FABRIC STAKE
NATURAL FIBER MATTING AT TOP OF BAWL
COMPACTED
RACE 10.20 LIVE CURIOS PER \\ \� \ \ \ \ \ \ \ \ \ \ \ \\ TOPSOIL
LINEAR POOT WITH C OF TOP BOLL
NATURAL FIBER MATTING
12- 18'OOMPACT®
500. FILL LIFT
SLOPE VARIES
------------ \ \ \ \ \ \ \ \ \� `% EXCAVATED STABLE SLOPE
TRANSITION LIFT
DESIGNED BY BN
COW SURVEY BY BWA
CHECKED BY ju m
SCALE NTS
CITY OF GREENSBORO C-15 s
)RMWATER MANAGEMENT DIVISION
MORE PARK STREAM ENHANCEMENT NO.
CONSTRUCTION DETAILS -1 J5_ of 21 {
COBBLE FBI
TOE PROTECTION
12 -18' COBBLE
lobk:�'r
FILL LIFT
ra 1L
6
FOOTER BOULDER$ ��)
1
BOTTOM 2 LIFTS SWILL BE WRAPPED
0112 OZ NONWOVEN GEOTEXTILE FABRO
BOTTOM LIFT SHALL
BE HXAOT I67 STONE
VEGETATED SOIL LIFT
ee��
DETAIL cB cs
Bi�WnA1O
: R W NCEBBW
CaWvMell M0121IM78
NO SLUE
NC UvS Nu
DESIGNED BY BN
COW SURVEY BY BWA
CHECKED BY ju m
SCALE NTS
CITY OF GREENSBORO C-15 s
)RMWATER MANAGEMENT DIVISION
MORE PARK STREAM ENHANCEMENT NO.
CONSTRUCTION DETAILS -1 J5_ of 21 {

LENGTH VARIES CONTRACT SHEET
EET
INSERT r AIL INTO FOLD STABILIZATION UNDE SEE SHEETS C-0 AND G9 FOR STATIONING OF
ROOFING NAIL INTO MATTING UNDER AT TIDE RIFFLE CREST 18
STAGGER WOODBTAKE TO OF STREAM SO WOOD SEE ELEVATIONS ON PUKE BOULDER SILL AT
SHEETS C2 AND C8 START POOL ELEVATIONS
LIVE STAKES HOLD STABILIZATION STAKE PIERCES THE MINIMUM n x 2H x 2D SHOWN ON SHEETS C8 AND G8 STABILIZATION A
MATTING AS SHOWN MATTING TWICE EXISTING OF BOULDER ���) C- +S SENSITIVE INFORMATION
PLACE LIVE STARS SECURE MATTING IN STREAMSED SHOULD NOT EXTEIm
r ON CENTER (TYP) TRENCH USING A MORE THAN 8• ABOVE POOL
1r FABRIC STAKE INTO PROPOSED PROFILE ELEVATION 4' THALWEO Not to be copied or distributed
2, END OF MATTING AT FLOW PROPOSED PROFILE SEE PROFILE ON RIFFLE CREST DEPTH WMIIOUt HITS express WTI(EBII
TOP OF BANK 1r MIN r MAX SHEETS 08 AND C8 SEE ELEVATIONS ON permission of the city of
e T O FOR OFYTHL4 SHEETS C8 AND CB GT8eI18bOf0.
r LENGTH By rya' ;�
yhy WOOD STAID:
O 1e h SUBGRADE — �4LLMTMT/�
87REAMBED T RIFFLE MATERI/LL 8' ADI V -
! PAL
SEAL ENTIRE UPSTREAM FACE OF
PLAN VIEW STRUCTURE WITH 124Z NONWOVEN SEE INSET -
INSET W INSETS' GEOTEKnLE FABRIC. GEOTEXTILE FABRIC 1r OF NATURAL CHANNEL BED
SHALL EXTEND B• BELOW BOTTOM OF MATERIAL BOULDER MATER TO BE PLACED SECTION -B
SEEINSET8 FOOTERBODUXR IN POOLS Of/P81C OT®•Ci11LO9P�l
T aodsTS
FINAL 1r OF FILL TO CONSIST of SALVAGED OR IMPORTED TOPSOIL PLACE SEED MIX UNDER soa SECTION -A
LIGHTLY COMPACT OR ROLL THE TOP 12* OF TOPSOIL TO OBTAIN STABILIZATION MATTING, dly
FIRMNESS AND FINAL GRADES. ANCHOR MATTING USING Ir --J
FABRIC STAKES BASED ON 000
MANUFACTURERS BRING COMPACTED FILL TO WITHIN 1r OF FINAL GRADE SPECIFICATIONS PLACE SEVERAL BOULDERS
RIFFLE MATERIAL TURAL CHANNEL BED CO3~1 A 111. T.M.ax.
AT TAIL END INSTALL PLANT SHAPE AT TAIL E OF (RIFFLE Il.xfa
MATERIAL TO BE PLACED
MATERLALASMUIVE B TO CREATE A SILL IN POOLE tWT .�__
STARS TO TOP OF BANK RIFFLE CREST
SEE PLAN VIEW FOR —I I l-1 I I—I I
LAYOUT F LIVE STAKEB = III — III -11 � A� �A NPDES
STREAMS® _ 11= 1= FLOW General Permit
FOLD STABILIZATION
MATTING AT
Jill NOTED SLOPE B'AB' TTING THXT STREAM BANK O Does APPLY
TWAT THE WOOD
STAN PIERCES
MATTING TWICE
SEE META DISTURBED AREA =
SAKE ALONG SEAM AND EN S O SOLD 4.10 Acres
STAKE ALONG O BEAMS AND ENDS OF SOLL _ I TOE OF STREAM BANK
INSTALL 2 LENGTH rig WOOD STABILIZATION MATTING PIAC ®VON r
STAN ALONG TOE OF BANK CENTER S SEAL ENTIRE UPSTREAM FACE OF ALL SILL BOULDERS SHALL
% ACED 4' ON CENTER STRUCTURE WITH OEOTEXnLE FABRI C. BE PLACED AT START POOL
SECTION VIEW ELEVATIONS SHOWN ON
It r LENGTH x r x r
SHEETS C8 AND C-0 WOOD STAKE ALONG TOE
PLAN
INSET -A OF BANK PLACED r ON CENTER
STREAM BANK STABILIZATION MATTING
DETAIL Gte CONSTRUCTED RIFFLE
DETAILee
NO SCALE
NO SCALE
TOP OF BOULDER WALL LIGHTLY COMPACTOR ROLL TOP NOTES
AS NOTED ON PLANS 8.OF TOPSOR
I CONTRACTOR SHALL REMOVE ALL
BOULDERS MINIMUM 2% SLOPE :ABI OEETERIOUS TERWL TRASH AND OTHER
STAGGER B w-W OM. TO DRAW MATERIAL WITHIN THE STREAM CANNEL
JOINTS
NO VOWS TO BE LEFT PRIOR TO PLACING FILL THAT MAY AFFECT FILL
BETWEEN HEADWALL OFFBlTHOBF OF FACE OF EXCAVATED N 1r OF RIFFLE MATERIAL 2 CONTRACTOR SHV1l1IrFJADVEDSALVAGE
AND BOULDERS. CHSIX C@OC AND WEDCLE INCH WpTH OFBWADQL FFLES AND NATURAL CJVVB�
AHD WEDGE HOLDS WITH MINUS ROC. AS NECESSARY. EXISTING STIREAMSED MATERIAL
4-INCH MINUS ROCK. TO LEVEL THE BOULDER MATERIAL FOR POOLS TO YATR71 SUITABLE
COURSES SED PROFILE Aim � N THE L PROVIDE 8TITABLE D.
S. CONTRACTOR SHALL PROVIDE SUITABLE
MATERIAL THAT MEETS THE REQUIREMENTS
STREAM BEDI 21•'10` OIA P �M GO IN THE SPECIFICATIONS AND ON THE
FLOW TOP OF BEDROCK ! 8• HORIZONTAL LETS CONSTRUCTION DRAWINGS IF SUFFKX NT STREAM SED! ~ Lt 0 0
TOP COMPACTED TO 96% PROPOSED GRADE MATERIAL RI NOT AVAILABLE ON SITE
CONICS _ _ ACCORDING TO ASTM 0898. FILL SHALL BE NATIVE MATERIAL z RENO O xr x E HEAOMlIUl T POF FOOTER OR COMMON EARTH BACFILL WOOD STAIDI __ COURSE AS LEM AS POSSIBLE MATTING AT TOE OF STREAM
EXISTING BEDROCK I EXISTING BEDROCK NI. Vol WRAP GEOTEXTIE FABRIC _ BANK AS SHOWN IN INSET.A
DRILL DOWEL HOLE �—,1
MINIMUM I FOOT LENGTH OVER TOP OF BEDROCK STARTING EX13TM STREAM C AN14M __ __
DRILL D OF L HOLE 98 REBAR TO BE PLACED AT FACE OF EXCAVATED SLOPE SHALL BE FILLED IN &INCH
BEDROCK AND BOULDER HABITAT GAPS B EVERY THREE BOULDERS AND EXTEND BEHIND BOULDERS LIFTS AND COMPACTED TO
VARY Siff OF ON FIRST ROW TO SECURE TO TOP OF BANK 93% COMPACTION ACCORDING
TO ATTACH OPENING TO BEDROCK � NATIVE EXISTING - _ - - - -_ STREAM BEDROCK LL� SECTION -A SECTION -B MATERIAL COMMON EARTH
BACHaaL AS REQUIRED. MATERIAL
SN ALL HAVE PLASTICITY MEEK a0
TOP COURSE OF E BOULDERS
AND Qs UNLESS -PAP BY
DL ) 2N•-0P DIA SECTION
STABILIZATION
v' _ _ TOE OF MATTING
V -- 1 STREAM BED
CONCRETE 1� �� .� �� ._� A
HEADWALL �� 5• - --� ' -- -- - - -- r MSERTrdLLVAII�D BANK 80 WOOD
A RIFFI.E MATERIAL aR PrR�sEO GRADS ROOFING NA0.INTO FOLD STABILIZATION
NATURAL CHANNEL Lim WOOD STAKE TO MATTING AT TOE OF
A FOLD STABLLRATION HOD STABILIZATION STS PIERCES MATTING
NArnNO AS SHOWN
INCREASE OFFSET OF MATTING AT TOE OF STREAM TWICE
FLOW EACH COURSE TO ACHIEVE BANK SO THAT THE WOOD r LENGTH xr x r
—� 21 SLOPE AT END OF WALL SEE 1lIBETA STAN PIERCES MATTING WOOD STAKE
TO MATCH GRADE OF TWICE
STREAM BAN( (TYP) INSTALL r LENGTH x r x r
WOOD STAKE ALONG TOE
OF BANK PLACED W ON
CENTER
PLAN INSET FA INSET -B
BOULDER WALL STREAMBED FILL (TYPICAL)
DETAIL DETAIL g eL70No PmkBW
Br+owrlALD . IlmH90 RdW
No SCALE NO SCALE • (MO u 18
NC UW= W
TYPE CONTRACT CONTRACTOR AS -BUILT AUTH. DATE BENCH MARKS JOB NO. P451" CITY OF GREENSBORO G. 6
DESIGN® BY ON STORMWATER MANAGEMENT DIVISION
CONST SURVEY BY BWA ARDMORE PARK STREAM ENHANCEMENT SHEET NO
CHECKED BY JSBUD CONSTRUCTION DETAILS -2
SCAL£ NTS