20041602 Ver 1_Complete File_20041001

Office Use Only: Form Version May 2002
USACE Action ID No. DWQ No.041602
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
L Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ® Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: NW 13
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ?
4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete
section VIII and check here: ?
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ?
IL Applicant Information
Owner/Applicant Information
Name: City of Raleigh Public Works Department Attn: Mr. Carl R. Dawson Jr. P E
Mailing Address: 222 West Hargett Street
P.O. Boa 590
Raleigh. North Carolina 27602
Telephone Number: 919-890-3030 Fax Number: 919-890-3832
E-mail Address: carl.dawsonCa,ci.Raleigh.nc.us
2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter
must be attached if the Agent has signatory authority for the owner/applicant.)
Name: N/A
Company Affiliation:
Mailing Address: __ n ?-, _.
Telephone Number: Fax Number: OC T O i 7nndr `J
E-mail Address: IWIMR-AATER QUALITy
--J I R BRANCH
Page 5 of 14
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion,
so long as the property is clearly defined. For administrative and distribution purposes, the
USACE requires information to be submitted on sheets no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans are
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps are provided.
1. Name of project: Stream Bank Erosion Repair at 2012 Quail Ridge Road. Raleigh NC
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN): Pin No. 1716.07 68 9330
4. Location
County: Wake Nearest Town: City of Raleigh
Subdivision name (include phase/lot number): Lot 72 Fox Run Subdivision Section 1
Directions to site (include road numbers, landmarks, etc.):_ From downtown Raleigh take
Capital Blvd North to Spring Forest Road. Turn left on to Spring Forest. Turn left on
Quail Ridge Road which is located directly across from Millbrook High School at the
traffic light. The property is located on the east side of the roadway approximately one
half way between Port Royal Road and Eagleton Circle.
5. Site coordinates, if available (UTM or Lat/Long): 31051'37"/ 78°36' 18"
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterbody.)
6. Property size (acres): 0.34 Acres
7. Nearest body of water (stream/river/sound/ocean/lake): Marsh Creek
8. River Basin: Neuse River Basin
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state,nc.us/admin/maps/.)
Page 6 of 6
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: The site is a single lot in a developed subdivision in
North Raleigh. The lot size is approximately 1/3 of an acre. The watershed drainage
area to the project site is approximately 141 acres 0.22 square miles The entire
watershed if fully built out. The watershed is 60% single family residents on 1/3 acre
lots and 40% institutional, consisting of the Millbrook HS campus and Millbrook
Exchanee Park. The stream is currently in a confined channel with bank heights of 4 -5
feet. The stream flows through the lot in the back yard and is in close proximity to the
eastern lot line. The stream currently enters the property on the north side from a
fairly stable segment and quickly makes an sharp "S" curve at the northeast corner and
then continues flowing south. Severe stream erosion is occurring in the segment of the
stream in the northeast corner. It appears that at some point a stone and timber wall
and concrete box culvert were located in the old streambed to convey the stream
through an even sharper bend than the current channel location The stream has
bypassed the wall and culvert and has formed a new channel that is located
approximately 10-15 feet south of its original position. Excessive bank erosion has left a
F tvpe channel with a top bank width ranging from 20 to 25 feet BEHI values range
from moderate to extreme bank erosion potential throughout the repair area The
stable stream conditions directly upstream and downstream have top of bank widths of
about 15 feet. Excessive sediment has been lost with this stream adjustment and the
channel walls at the outside of the existing bend are unstable with almost vertical
slopes. Bank erosion will continue in this area until the stream has reached a more
stable slope in the future. Cross Section #3 was taken through the most severely eroded
part of the relocated channel. The unstable section of the stream begins at the northern
property line and ends approximately 55 feet downstream.
10. Describe the overall project in detail, including the type of equipment to be used: The
proposed repair project has been requested by the property owner to the City of
Raleigh. This project qualified for funding with the City of Raleigh Storm Drainage
Policy and is currently being designed and permitted by the City for construction The
project will consist of the stabilization and improvements to approximately 80 linear
feet of stream. The upper 55 feet of the project will consist of building a new bankfull
channel with bankfull benches in an over widened portion of the channel Existing
channel debris such as the stone and timber wall and concrete box culvert will be
removed. The channel reconstruction will be accomplished by bringing in fill and
reconstructing bankfull and terrace banks back to 2H• 1 V Moms. Additionally a new
riffle will be constructed with a 50 % reduction in slope from the current riffle slope
The riffle located just downstream will be extended approximately 10' upstream to
improve the riffle pool sentience in the stream profile Class H riprap will be placed in
the outside of the reconstructed bend to bankfull due to the high velocities that are
expected during bankfull and flood events. All other reconstructed slopes will be
stabilized with erosion control fabric specified on the cross sections Seed will be placed
under the fabric and rooted plant plugs will additionally be planted on the terrace
slopes. The lower 25 feet of improvements iust downstream of the reconstructed
channel will consist of class I ripraD to bankfull on the existing outside bend, bank
repair at cross section 1. tree removal, and the extension of the existing riffle This
Page 7 of 14
work will be accomplished with a dump truck, rubber tire loader, and a small backhoe.
11. Explain the purpose of the proposed work: The purpose of the project is to stabilize the
channel to prevent further future stream bank erosion, improve the channel eroded
dimensions, and provide for a better vegetative buffer on the stream and terrace banks
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules.
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
No
VL Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. The applicant must also
provide justification for these impacts in Section VII below. All proposed impacts, permanent
and temporary, must be listed herein, and must be clearly identifiable on an accompanying site
plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a
delineation map, whether or not impacts are proposed to these systems. Wetland and stream
evaluation and delineation forms should be included as appropriate. Photographs may be
included at the applicant's discretion. If this proposed impact is strictly for wetland or stream
mitigation, list and describe the impact in Section VIII below. If additional space is needed for
listing or description, please attach a separate sheet.
1. Provide a written description of the proposed impacts: The proposed project will
impact approximately 80 linear feet of stream channel The impacts will consist of new
Page 8 of 14
channel construction for aRRroximately 55 feet with the placement of fill in an .over
widened segment of the channel, new terrace bank construction and stabilization.
A2RroZ, i? 30 linear feet, of constructed flMe: and the placement of rig rap at the
toe of the slope to banldbll to stabilize the outside bends.
2. Individually list wetland impacts below:
Wetland Impact
Site Number
indicate on map)
Type of Impact* Area of
Impact
acres Located within
100-year Floodplain**
(yes/no) Distance to
Nearest Stream
(Unear feet
Type of Wetland***
N/A

- -G" -Wu=Y aaa X=XUY WmPUFRrY =Pam- MIPWES include, but are not limited to: mechanized clearing, grading, fill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding.
•* 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRMI a FEMA-aPpaoved local floodPlam maps. Maps are available through the FEMA Map Service Center at 14500-358-9616, or
online at hip //www. fema. aov.
*•• List a wetland type that best describes wetland to be impacted (e.g., fi=hwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USAGE only).
List the total acreage (estimated) of all existing wetlands on the property: N/A
Total area of wetland impact proposed: 0
3. Individually fist all intermittent and perennial stream impacts below:
Stream Impact
Site Number
indicate on map)
Type of Impact* Length of
Impact
Oinear feet
Stream Name** Average Width
of Stream
Before Impact Perennial or
Intermittent?
lease specify)
1 Stream Channel
reconstruction 55 Tributary to Marsh
Crock _
20-25 feet Perennial
2 Stream bank
stabilization 25 Tributary to Marsh
Creek 15 feet Perennial

- awu uupwt wpurawry and iucnnly Temporary m4mm• impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both shm duure and flooding relocation (include linear feet before and after, and net loss/gainj
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc. cccavation, ditching/straightening, exc. If stream relocation is
proposed, Plans and profiles showing the linear footprint for both the original and relocated streams must be included
• • Stream names can be found on USGS topographic maps. If a stmain has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USW maps are available through the USGS at 1-800-358-9616, of online at
www.usQs.aov. Several interuct sites also allow direct download and printing of USGS maps (e.g., www.topozone.com
www.magquest.com etc.).
Page 9 of 14
Cumulative impacts (linear distance in feet) to all streams on site: 80 linear feet
4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U. S.) below:
Open Water Impact
Site Number
indicate on map)
Type of Impact* Area of
Impact
acres Name of Waterbody

(if applicable) Type of Waterbody
(lake, pond, estuary, sound,
bay, ocean, etc.
N/A

• List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
5. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ? uplands El stream ? wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.): N/A
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.
The stream repair is required to stop the progressing stream bank erosion in this area.
If nothing is done then the erosion will continue. The project is reauired to repair and
stabilize a channel that has been eroded to dimensions beyond stable conditions. The
repair impacts to the channel will create a stable bankfull channel, bankfull bench, and
sloped 2H: 1V terrace banks. The use of rock materials will be minimized to the toe of the
slope to bankfull at the outside bends only, and for the creation of riffles in the new
channel,
Page 10 of 14
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on March 9, 2000, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as
incomplete. An applicant may also choose to review the current guidelines for stream restoration
in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state.nc us/ncwetlands/strmgide html.
Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
N/A
2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration
Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at
[phone] to determine availability and to request written approval of mitigation prior
to submittal of a PCN. For additional information regarding the application process for the
NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wM/index htm. If use of
the NCWRP is proposed, please check the appropriate box on page three and provide the
following information:
Page 11 of 14
Amount of stream mitigation requested (linear feet): N/A
Amount of buffer mitigation requested (square feet): N/A
Amount of Riparian wetland mitigation requested (acres):
Amount of Non-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
DL Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federal/state) funds or the use of public
(federal/state) land?
Yes ? No
If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at [phone] to review current thresholds for environmental documentation.
Yes ? No
If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a
copy of the NEPA or SEPA final approval letter.
Yes ? No ?
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and
Water Supply Buffer Requirements), or other (please identify Neuse River )?
Yes ® No ? If you answered "yes", provide the following information:
Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer
mitigation is required calculate the required amount of mitigation by applying the buffer
multipliers.
*
Zone Impact
uare feet)
Multiplier Required
Mitigation
1 480 3
Page 12 of 14
The buffer impacts will only be temporary during the construction phase of the roiect
adjacent to the stream. The buffer will be enhanced in zone 1 with the planting of
vegetation where there is currently none on the slopes of the constructed terrace banks that
extend from the top of the bankfull stream bank approximately 6 -_10 feet into zone one
(6x80= 480 sa ft). All existing buffer vegetation adjacent to the construction area will be
preserved. The existing lawn in buffer zones 1 and 2 will be restored back to existing
conditions upon completion of the stream repair project.
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as
identified within 15A NCAC 2B .0242 or. 0260.
N/A
XL Stormwater (required by DWQ)
Describe impervious acreage (both existing and proposed) versus total acreage on the site.
Discuss stormwater controls proposed in order to protect surface waters and wetlands
downstream from the property.
N/A
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of
wastewater generated from the proposed project, or available capacity of the subject facility.
N/A
XUL Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H.0500) or any Buffer Rules?
Yes ? No
Is this an after-the-fact permit application?
Yes ? No
Page 13 of 14
additional 20 feet from the edge of Zone 1.
XIV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
N/A
6,--4 iv
Applicant/Agent's
(Agent's signature is valid (

Z3
re
if an authorization letter from the applicant is provided.)
Page 14 of 14
s? UNITED STATES
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DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
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NORTH CAROLINA-WAKE CO.
7.5 MINUTE SERIES (TOPOGRAPHIC
SE/4 RALEIGH 15' QUADRANGLE
SCALE 1:24 000
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1 5 0 1 KILOMETER
CONTOUR INTERVAL 10 FEET
NATIONAL GEODETIC VERTICAL DATUM OF 1929
THIS MAP COMPLIES WITH NATIONAL MAP ACCURACY STANDARDS
FOR SALE BY U. S. GEOLOGICAL SURVEY
DENVER, CGLORADO 80225, OR RESTON, VIRGINIA 22092
A FOLDER DESCRIBING TOPOGRAPHIC MAPS AND SYMBOLS IS AVAILABLE ON REQUEST

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829-4768 (work - David) ¦
872-6356 (home)
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Cross Section
Cross Section for Irregular Channel
Project Description
Worksheet ProposeW Rift 74210-14L 121 FF L.E
Flow Element Irregular Chary
Method Manning's Forr
Solve For Discharge
Section Data
Monnings Coeficler 0.035
Channel Slops 0.024400 ttAt
Water 8uncce t:lsw 100.00 it
Elevation Range .80 to 100.00
Discharge 4822 cfs
1 8}1.SU
99.40
99.00
98.60
0+00.00
O- T
i

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pl= Fr+l3,iz/C onJ
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Project Engineer. Becky L. Ward
c:lquall 201 Zpmjsct1.fm2 Becky L. Ward Consulting FlowMaster v7.0 [7.0005)
0820104 08:24:35 AM O Haamad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 USA [phone] Page 1 of 1
Worksheet
Worksheet for Irregular Channel
Project Description
Worksheet Proposeed Rift
Flow Element Irregular Chan
Method Manning's Fort
Solve For Discharge
Input Data
Channel Slope 024400 1tM
Water Surface Elev, 100.00 ft
Options
Current Roughness Methc rved Lotter's Method
Open Channel Weighting bved Lotter's Method
Closed Channel Weightinx Horton's Method
Results
Mannings CoeRic 0.035
Elevation Range .80 to 100.00
Discharge 48.22 cis
Flow Area 8.4 ft]
Wetted Perimeter 10.43 it
Top Width 10.00 it
Actual Depth 1.20 it
Critical Elevation 100.08 ft
Critical Slope 0.019867 1tI t
Velocity 5.74 fUs
Velocity Head 0.51 It
Specific Energy 100.51 It
Froude Number 1.10
Flow Type Supercritical
Roughness Segments
Start End Mannings
Station Station Coefficient
0+00.00 0+10.00 0.035
Natural Channel Points
Station Elevation
(it) (ff)
0+00.00 100.00
0+02.00 99.10
0+04.00 98.80
0+08.00 98.80
0+06.00 99.10
0+10.00 100.00
Project Engineer. Becky L. Ward
c:\quall 20121projectl.fm2 Becky L Ward Consulting FlowMaster v7.017.0005]
08/20104 08:24:04 AM 0 Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 USA [phone] Page 1 of 1
Cross Section
Cross Section for Irregular Channel
Project Dnc*tim
Worksheet Proposed Pool
Flow Ebnw t Irregular Char
Medwd hUnni ig's Fort
Solve For Discharge

Section Data
MamRtgs Coefioist 0.035
Channel Slope 0.020000 RMt
Water Surface Elew 100.00 fl
Ebvation Range 20 to 100.00
Discharge 61.78 cb
Dpio, POOL
dun d ill ?; 1416k f = 9.5 4-
X30 3, IV
'88M
99.40
99.00 D-J
98.60
98.20
0+00.00
F-Q0
0+02.00
Owrsmff $ M"
OF 13E03 pool d?
0+04.00 0+06.00 0+08.00 0+10.00
V:1 L
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- SFE C ew5 SEGO T10n> i=4AC
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l/I?p?rc. 5 Lo?ES
Project Engineer. Becky L. Ward
c:lquall 2012Wojsotl.fm2 Becky L Ward Consuiting RowMaster v7.017.00051
OW20/04 08:2321 AM 0 Haested Methods, Inc. 37 Brookside Road V*terbury, CT 06708 USA +1,203.76&11348 Page 1 of 1
Worksheet
Worksheet for Irregular Channel
Project Description
Worksheet Proposed pool
Flow Element Irregular Chant
Method Manning's Fort
Solve For Discharge

Input Data
Channel Slope 020000 ft/ft
Water Surface Elev. 100.00 ft
Options
Current Roughness Methc wed Lotter's Method
Open Channel Weighting I wed Lotter's Method
Closed Channel WeightlrK Horton's Method
Results
Mannings Coeffic 0.035
Elevation Range .20 to 100.00
Discharge 51.78 cis
Flow Area 9.2 V
Wetted Perimeter 10.23 It
Top Width 9.50 ft
Actual Depth 1.80 ft
Critical Elevation 100.00 ft
Critical Slope 0.019893 fti t
Velocity 5.61 Itts
Velocity Head 0.49 ft
Spec hIc Energy 100.49 It
Froude Number 1.00
Flow Type Supercritical
Roughness Segments
Start End Mannings
Station Station Coefficient
0+00.00 0+09.50 0.035
0+00.00 100.00
0+05.00 98.30
0+06.10 98.20
0+09.50 100.00
Station Elevation
(n) (ft)
Natural Channel Points
Project Engineer. Becky L. Ward
c:lquail 2010projectl.fm2 Becky L Ward Consulting FlowMaster v7.0 [7.0005]
08!20/04 08:22:32 AM 0 Haested Methods, Inc. 37 Brookside Road Waterbury, CT 06708 USA [phone] Page 1 of 1
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DRAINAG
CLASM
Turf Reinforcement Mat
The composite turf reinforcement mat (C-TRM) shall be a machine produced mat
of 100% coconut fiber matrix incorporated into a permanent three dimensional
netting structure.
The matrix shall be stitch bonded between a heavy duty UV stabilized bottom net
with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings, a heavy duty UV stabilized,
dramatically cuspated (crimped) intermediate netting with 0.50 x 0.50 inch (1.27 x
1.27 cm) openings, and a super heavy duty UV stabilized top net with 0.50 x 0.50
inch (1.27 x 1.27 cm) openings. The cuspated netting shall form prominent
closely spaced ridges across the entire width of the mat. The three nettings shall
be stitched together on 1.50 inch (3.81 cm) centers with UV stabilized
polypropylene thread to form a permanent three dimensional structure.
All mats shall be manufactured with a colored thread stitched along both outer
edges (approximately 2-5 inches [5-12.5 cm] from the edge) as an overlap guide
for adjacent mats.
The composite turf reinforcement mat shall be the North American Green C350,
or equivalent. The C350 permanent composite turf reinforcement mat shall have
the following physical properties:
Material Content
Matrix 100% Coconut Fiber
(0.50 lb/ sq yd) (0.27 kg/sq m)
Nettings Top -Heavy UV Stabilized Polypropylene
8.50 Ibs/1,000 sq ft(4.15 kg/100 sq m)
Mid -Super heavy UV Stabilized Polypropylene
20 Ib/1,000 sq ft(10.21 kg/100 sq m)
Bottom - Heavy UV Stabilized Polypropylene
8.50 Ibs/1,000 sq ft(4.15 kg/100 sq m)
Thread UV Stabilized Polypropylene
Physical Specifications (per roll)
En lt; ish Metric
Width 6.50 ft 2.00 m
Length 55.50 ft 16.90 m
Weight 37.00 Ibs t 100 16.80 kg
Area 40.00 yd2 33.40 m2
Stitch Spacing 1.50 in 3.81 cm
The composite turf reinforcement mat (C-TRM) shall be a machine produced mat
of 100% coconut fiber matrix incorporated into a permanent three dimensional
netting structure. The matrix shall be stitch bonded between a heavy duty UV
stabilized bottom net with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings, a heavy
duty UV stabilized, dramatically cuspated (crimped) intermediate netting with
0.50 x 0.50 inch (1.27 x 1.27 cm) openings, and a super heavy duty UV
stabilized top net with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings. The cuspated
netting shall form prominent closely spaced ridges across the entire width of the
mat. The three nettings shall be stitched together on 1.50 inch (3.81 cm) centers
with UV stabilized polypropylene thread to form a permanent three dimensional
structure.
Pro Test Method
Thickness ASTM D5199/ECTC
Resiliency ASTM D1777
Density ASTM D792
g/CM3)
Mass per Unit Area ASTM D5261
g/mz)
Porosity ECTC Guidelines
Open Volume per Unit AreaECTC Guidelines
(15,374 cm3/m2)
Stiffness ASTM D1388/ECTC
mg-cm)
Light Penetration ECTC Guidelines
MD Tensile Strength ASTM D5035
kN/m)
MD Elongation ASTM D5035
TD Tensile Strength ASTM D5035
kN/m)
TD Elongation ASTM D5035
Tensile Strength at 10% Elongation

MD Tensile Strength ASTM D5035
kN/m)
TD Tensile Strength ASTM D5035
kN/m)
Typical
0.66 in (16.80 mm)
90%
051 oz/in3 (0.890 g/cm3)
13.16 oz/ydz (446 g/m2)
97.05% 9653%
840 in3/yd2 (16,402 cm3/m2) 789 fn3/yd2
3.83 oz4n (42,710 mg-cm) 3.20 oz-in (35,720
5.50% 4.70%
658 lbs/ft (9.60 kN/m) 468 lbs/ft (6.83
13.40% 17.80%
910Ibs/ft (13.28 kN/m) 742 Ibs/ft (10.83
10.90% 12.10%
335 lbs/R (4.89 kN/m) 232 Ibs/ft (3.38
596 Ibs/ft (8.69 kN/m) 488 Ibs/ft (7.12
MA.RV*
0.63 in (16.00 mm)
88%
0506 oz/iir3 (0.889
11.29 oz/ydz (382
0350 PERMANENT NET STRUCTURE ONLY
Propeity Test Method Typical MARV*
Thickness
mm) ASTM D5199/EC7C 0.56 in (14.20 mm) 0.48 in (12.20
Resiliency ECTC Guidelines 68% 63%
UV Stability ASTM D4355** 86% N/A
MD Tensile Strength ASTM D5035 528 lbs/ft (7.70 kN/m) 330 lbs/ft (4.81
kN/m)
MD Elongation ASTM D5035 28% 48%
TD Tensile Strength ASTM D5035 8371bs/ft (12.21 kN/m) 687 (10.02
kN/m)
TD Elongation ASTM D5035 12% 14%
*Minimum average roll values (MARV) are calculated as the typical plus or minus two standard deviations.
Statistically, this yields a 97.7 % degree of confidence that any samples taken will exceed the value reported.
'Typical' indicates the mean or average.
**ASTM D1682 (4 inch strip) Tensile Strength and % Strength Retention of material following 1000 hrs
exposure in Xenon-Arc Weatherometer.
MD - Machine direction TD - Transverse direction
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vrnoiana riyaroiogy Fled Data Form 1999RAM
BANK EROSI N POTENTIAL
Stream Name _
tik Date: 5? 13? 6
Xsec. No.,&A _ ???„ 101 Crew: WnAk
Location/Note:
Bank Height ft
a -3 f,

/200 Bankfull Height (ft)
lat
Root Density (%)
Bank Angle (degrees )
Surface Protection ( Rio ) 6 V,

BANK EROSION POTENTIAL
CRITERIA VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME
VALUE INDEX VALUE INDEX VALUE INDEX VALUE INDEX VALUE INDEX VALUE INDEX
Bank NVBkf Fit 1.0-1.1 1.0-1.9 I.1-1.19 2.0-3.9 1.2-15 4.0.5.9 1.6-2.0 6.0-7.9 2.1.2.8 8.0-9.0 >2.8 I 1
Root DcpOVUnk ht 1.0-0.9 1.0.1.9 0.89-0S0 2.0-3.9 0.49-030. 4.0-5.9 0.29-1.15 6.0-7.9 0,14-.05 8. 9.0 <.05 10
Root Density (%) 80-100 1.0-1.9 5$79 2.0.3.9 30-54 4.0.5.9 15-29 0- .9 5-14 8.0-9.0 <5.0 10
Bank Angst (Degroa) 0-20 1.0-1.9 21.60 2.0.3.9 61-80 4.0-5.9 81-90 6.0-7.9 91-119 8.0-9.0 >1 19
10
Surface Roc (9() 80-100 1.0.1.9 55.79 2.0-3.9 30-54 4.0-5.9 15-29 6.0-7.9 10.15 8.0-9.0 <10 10
T17iA15 .V /, 1 30
5-93 10-195 20-29.5 30-39S 40-0 46-50
NumesriJ
Adjumnew
BANK MATERIALS: BEDROCK BANK EROSION POTENTIAL ALWAYS VERY LOW
BOULDERS: BANK EROSION POTENTIAL LOW
COBBLE: DECREASE BY ONE CATEGORY UNLESS MDCIURE OF GRAVELJSAND IS OVER
THEN NO ADJUSTMENT 50%.
GRAVEL: ADJUST VALUES UP BY 5-10 POINTS DEPENDING ON COMPOSITION OF SAND
SAND: ADJUST VALUES UP BY 10 POINTS
SILT/CLAY: NO ADJUSTMENT
STRATIFICATION : 5-10 POINTS (UPWARD) DEPENDING ON POSITION OF UNSTABLE LAYERS IN RELAT10N TO
BANKFULL STAGE
BEH I
61-e-9-4- VItAe?d
2tlOf?to el, , 2,11-17110- ? .

rrnoidno nyorology t-le/d Data Form 1999RAM
BANK EROSION POTENTIAL
I
Stream Name -- L'LA6ICsj 40 ?s :k Date: 5
113 log
'
Xsec. No. -t .
o1. Crew: R4 AW6Ia
Location/Note:
Bank Height ft
Bankfull Height (ft) 1
9
,
Root Density (%) ??(_
"341 ?.bm Bank Angle (degrees)
°
_
Surface Protection ( % 0 ?O
BANK EROSION POTENTIAL
CRITERIA VERY LAW LOW MODERATE HIGH VERY HIGH EXTREME
VALUE INDEX VALUE INDEX VALUE INDEX VALUE INDEX VALUE INDEX VALUE WDCX
Bank Ht/8kf HI 110.1.1 1.0-1.9 1.1.1.19 2.0-3.9 1.2.1-5 4.0-5.9 1.6-2.0 6.0-7.9 2.1 .8 8. 0 >2.8 I 10
Root DgdVBank HE 1.0-0.9 1.0.1.9 0.89-0.50 2A 3.9 0.49-030. 4.0.5.9 019-1.15 6.0-7.9 0,1 •. 8. 9 c05 10
Root Dtnsiry (%) 80.100 1.0-1.9 5579 2 30-51 4.0-5.9 15 29 6.0-7.9 514 8.0-9.0 t5.0 10
Buck Attgk (Debroes) 0-20 1.0.1.9 21.60 2.0 3.9 61-80 4. 5.9 81-90 6.0.7.9 91-119 8.0-9.0 >119 10
SurSoe Prot (9?) 80.100 1.0.1.9 79 2.0.0 30.54 4.0-5.9 15-29 6.0-7.9 10.15 8.0-9.0 <10 10
TvzkLs
6•`I
5.9.5 10.19.5 20-29.5 30-39-5 40-45 4650
Numerid
Adjusunc us
BANK MATERIALS: BEDROCK BANK EROSION POTENTIAL ALWAYS VERY LOW
BOULDERS: BANK EROSION POTENTIAL LOW
COBBLE: DECREASE BY ONE CATEGORY UNLESS MIXTURE OF GRAVEL/SAND IS OVER 5

THEN NO ADJUSTMENT 0%.
GRAVEL: ADJUST VALUES UP BY 5-10 POINTS DEPENDING ON COMPOSITION OF
SAND
SAND: ADJUST VALUES UP BY 10 POINTS
SILT/CLAY: NO ADJUSTMENT
STRATIFICATION : 5-10 POINTS (UPWARD) DEPENDING ON POSITION OF UNSTABLE LAYERS IN REL
T
A
ION
BANKFULL STAGE TO
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D "C
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
October 8, 2004
City of Raleigh
Attn: Carl R. Dawson, Jr., PE
Post Office Box 590
Raleigh, NC 27602
Subject Property: Quail Ridge Road
Marsh Creek [03-04-02,27-33-20), C NSW
Alan W. Klimek, P.E. Director
Division of Water Quality
DWQ Project # 04-1602
Wake County
Approval of 401 Water Quality Certification and Authorization Certificate per the Neuse River
Buffer Protection Rules (15A NCAC 2B .0233) with Additional Conditions
Dear Mr. Dawson:
You have our approval, in accordance with the attached conditions and those listed below, to place fill
within or otherwise impact 80 feet of streams and 480 square fet (ft2) of protected riparian buffers for the
purpose of stream bank repair at the subject property, as described within your application dated
September 23, 2004 and received by the N.C. Division of Water,,Quality (DWQ) on October 1, 2004.
After reviewing your application, we have decided that the impacts are covered by General Water Quality
Certification Number(s) 3399 (GC3399). The Certification(s) allows you to use Nationwide Permit(s) 13
when issued by the US Army Corps of Engineers (USACE). This letter shall also act as your approved
Authorization Certificate for impacts to the protected riparian buffers per 15A NCAC 2B .0233. In
addition, you should obtain or otherwise comply with any other required federal, state or local permits
before you go ahead with your project including (but not limited to) Erosion and Sediment Control, and
Non-discharge regulations. Also, this approval to proceed with your proposed impacts or to conduct
impacts to waters as depicted in your application shall expire upon expiration of the 404 or CAMA
Permit.
This approval is for the purpose and design that you described in your application. If you change your
project, you must notify us and you may be required to send us a new application. If the property is sold,
the new owner must be given a copy of this Certification and approval letter and is thereby responsible for
complying with all conditions. If total fills for this project (now or in the future) exceed one acre of
wetland or 150 linear feet of stream, compensatory mitigation may be required as described in 15A
NCAC 2H.0506 (h). This approval requires you to follow the conditions listed in the attached
certification and any additional conditions listed below.
The Additional Conditions of the Certification are:
1. Impacts Approved
The following impacts are hereby approved as long as all of the other specific and general
conditions of this Certification (or Isolated Wetland Permit) are met. No other impacts are
approved including incidental impacts:
401 Wetlands Certification Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] / FAX [phone] / Internet: http://h2o.enr.state.nc.us/ncwetlands
None Caro tna
wrallly
A- C...,..I l1n..n.1-; ,/AK.....,16... A-n- M--l-- CnOl 0nm.A-411 nOl D-§ Pnn-- D,,,,
City of Raleigh
Page 2 of 3
October 8, 2004
Amount Approved
(Units) Plan Location or Reference
Stream 80 (feet)
Buffers 480 (square ft.)
2. Erosion & Sediment Control Practices
Erosion and sediment control practices must be in full compliance with all specifications
governing the proper design, installation and operation and maintenance of such Best
Management Practices in order to protect surface waters standards:
a. The erosion and sediment control measures for the project must be designed, installed,
operated, and maintained in accordance with the most recent version of the North Carolina
Sediment and Erosion Control Planning and Design Manual.
b. The design, installation, operation, and maintenance of the sediment and erosion control
measures must be such that they equal, or exceed, the requirements specified in the most
recent version of the North Carolina Sediment and Erosion Control Manual. The devices
shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects,
including contractor-owned or leased borrow pits associated with the project.
c. For borrow pit sites, the erosion and sediment control measures must be designed, installed,
operated, and maintained in accordance with the most recent version of the North Carolina
Surface Mining Manual.
d. The reclamation measures and implementation must \comply with the reclamation in
accordance with the requirements of the Sedimentation Pollution Control Act.
3. No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond
the footprint of the impacts depicted in the Pre-Construction Notification. All construction
activities, including the design, installation, operation, and maintenance of sediment and erosion
control Best Management Practices, shall be performed so that no violations of state water quality
standards, statutes, or rules occur.
4. No Sediment & Erosion Control Measures w/n Wetlands or Waters
Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum
extent practicable. If placement of sediment and erosion control devices in wetlands and waters
is unavoidable, they shall be removed and the natural grade restored within six months of the date
that the Division of Land Resources has released the project.
5. Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable
Buffer Rules, and any subsequent modifications, the applicant is required to return the attached
certificate of completion to the 401/Wetlands Unit, North Carolina Division of Water Quality,
1650 Mail Service Center, Raleigh, NC, 27699-1650.
Violations of any condition herein set forth may result in revocation of this Certification and may result in
criminal and/or civil penalties. The authorization to proceed with your proposed impacts or to conduct
impacts to waters as depicted in your application and as authorized by this Certification, shall expire upon
expiration of the 404 or CAMA Permit.
City of Raleigh
Page 3 of 3
October 8, 2004
If you do not accept any of the conditions of this Certification (associated with the approved wetland or
stream impacts), you may ask for an adjudicatory hearing. You must act within 60 days of the date that
you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of
the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center,
Raleigh, N.C. 27699-6714. This certification and its conditions are final and binding unless you ask for a
hearing.
Any disputes over determinations regarding this Authorization Certificate (associated with the approved
buffer impacts) shall be referred in writing to the Director for a decision. The Director's decision is
subject to review as provided in Articles 3 and 4 of G.S. 150B.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water
Act and the Neuse riparian buffer protection rule as described within 15A NCAC 2B .0233. If you have
any questions, please telephone John Dorney at 919-733-9646 or Bob Zarzecki at 919-733-9726.
AWK/bs
Enclosures: GC 3399
Certificate of Completion
cc: USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
DLR Raleigh Regional Office
File Copy
Central Files
Sincerely,
Alan W. Klimek, P.E.
Filename: 04-1602 Quail Ridge Road streambank repair (Wake) 401nbr

ErOMUWF?p
OCT 0 1 2004
Sept 22, 2004
Ms. Jennifer Burdette
Raleigh Regulatory Field Office
United States Army Corps of Engineers
6508 Falls of Neuse Road - Suite 120
Raleigh, North Carolina 27615
DENR - WATER QUALITY
WETLANDS AND STORMWATER BRANCH
Mr. John Domey
NCDENR
Division of Water Quality
401 Wetlands Unit
1650 Mail Service Center
Raleigh NC 27699-1650
RE: Pre-Construction Notification Application Form for
Streambank Stabilization at:
2012 Quail Ridge Road
Raleigh, NC 27606
Dear Ms. Burdette:
04100e:
Please find enclosed one copy of a completed "Pre-Construction Notification Application
Form" for the referenced project. I am submitting seven copies of this application
concurrently to Mr. John Domey with the North Carolina Department of Environment and
Natural Resources, Division of Water Quality, 401/Wetlands Unit. It should be noted that
the proposed repairs are not for new development construction, but rather to address an
existing erosion problem along a stream channel in the Neuse River Basin.
Thank you for your assistance in processing this application. If I may answer any
questions concerning the application or if you would like to meet me for a site inspection,
please contact me at telephone number [phone].
Sincerely,
John D. Hollis, E.I.
Stormwater Project Engineer ;
JDH/
Enclosure
cc: Mr. H. Daniel Bowden, P. E.
Ms. James Leumas, P.E.
Ms. Becky L. Ward, P. E.
PAL,00?
} y o?
NC DEPT OF ENVIRONMENT & NATURAL RESOURC
NC DIVISION OF WATER QUALITY
WETLANDS UNIT
1650 MAIL SERVICE CENTER
RALEIGH NC 27699-1650
00543724
D
O C T 0 1 2004
DENR - WATER QUALITY
Y-f AN0 3TOFw
NUMBER DATE GR. AMOUNT DISCOUNT TAX ADD. CHRG. NET AMOUNT
2012QUAILRIDGE 09/24/04 200.00 .00 .00 .00 200.00