20030311 Ver 1_COMPLETE FILE_20030317

WQC #3626
GENERAL CERTIFICATION FOR STREAM RESTORATION ENHANCEMENT AND
STABILIZATION PROJECTS AND WETLAND AND RIPARIAN RESTORATION AND
CREATION ACTIVITIES INCLUDING THOSE ELIGIBLE FOR CORPS OF ENGINEERS
NATIONWIDE PERMIT NUMBERS 13 (BANK STABILIZATION) AND 27 (AQUATIC HABITAT
RESTORATION. ESTABLISHMENT AND ENHANCEMENT ACTIVITIES) AND REGIONAL
PERMIT 197800080 (CONSTRUCTION AND MAINTENANCE OF BULKHEADS)
This General Certification is issued in conformity with the requirements of Section 401, Public
Laws 92-500 and 95-217 of the United States and subject to the North Carolina Division of Water
Quality Regulations in 15A NCAC 2H .0500 and 15A NCAC 2B .0200 for the discharge of fill
material to waters as described in 33 CFR 330 Appendix A (B) (13) and (27) of the Corps of
Engineers regulations (i.e. Nationwide Permit Numbers 13 and 27) and Regional Permit
197800080. The category of activities shall include stream bank stabilization or stream
restoration activity as long as impacts to waters or significant wetlands are minimized. This
Certification replaces Water Quality Certification (WQC) Number 3399 issued March 2003 and
WQC Number 3495 issued March 28, 2003. This WQC is rescinded when the Corps of
Engineers reauthorize Nationwide Permits 13 or 27 or Regional Permit 197800080 or when
deemed appropriate by the Director of the Division of Water Quality (DWQ).
The State of North Carolina certifies that the specified category of activity will not violate
applicable portions of Sections 301, 302, 303, 306 and 307 of the Public Laws 92-500 and 95-217
if conducted in accordance with the conditions set forth.
Conditions of Certification:
Wetland and/or riparian area restoration and creation projects which are for
compensatory mitigation or compensatory mitigation credit (and not including
projects that only involve stream restoration or enhancement work described in
condition nos. 2 and 3 below) that are proposed under this General Certification
require written application to and approval from the Division of Water Quality. All
applications for written DWQ approval will be reviewed and a response will be
prepared within 30 days of stamped receipt of the application in the Division of
Water Quality's Central Office in Raleigh. This 30-day period does not include time
spent by the application or DWQ's response within US Postal Service or North
Carolina's Mail Service Center mail systems;
Wetland and riparian area restoration and creation projects (not including projects
that involve work in or impacts to streams) which are not for compensatory
mitigation or compensatory mitigation credit proposed under this General
Certification do not require written application to and approval from the Division of
Water Quality. In these cases, the applicant is required to notify the Division in
writing with three copies of project specifications before the impact occurs. If the
Division determines that the project would not result in an ecologically viable wetland
and riparian area, then the Division shall prepare a response to notify the applicant
in writing within 30 days of DWQ's receipt of the notification. In such cases, the
applicant will be required to submit a formal application and pay of the appropriate
fee, and DWQ will be required to process the application through normal
procedures;
2. Proposed stream restoration projects (as defined and limited below), that do not
disturb wetlands and that are not being conducted for compensatory mitigation or
compensatory mitigation credit do not require written application to and approval
from the Division of Water Quality, and, therefore, do not require payment of an
WQC #3626
application fee to the Division of Water Quality. Projects that are intended for
compensatory mitigation or compensatory mitigation credit, that are intended to
resolve a violation, or that are in association with a development project shall require
an application, fee, and written concurrence from the Division of Water Quality.
Stream restoration is defined as the process of converting an unstable, altered or
degraded stream corridor, including adjacent riparian zone and floodprone areas to
its natural or referenced, stable conditions considering recent and future watershed
conditions. This biological and chemical integrity, including transport of water and
sediment is produced by the stream's watershed in order to achieve dynamic
equilibrium. The applicant is required to notify the Division in writing with three
copies of detailed restoration plans and specifications before the impact occurs. If
the Division determines that the project does not meet the above definition of stream
restoration, then the Division shall notify the applicant in writing within 30 days of
receipt of the application. In such cases, the applicant will be required to submit a
formal application and pay of the appropriate fee, and DWQ will be required to
process the application through normal procedures;
Stream enhancement projects (as defined and limited below), that do not disturb
wetlands and that are not being conducted for compensatory mitigation or
compensatory mitigation credit and do not include any stream channel relocation, do
not require written application to and approval from the Division of Water Quality,
and, therefore, do not require payment of an application fee to the Division of Water
Quality. Projects that are intended for compensatory mitigation or compensatory
mitigation credit, that are intended to resolve a violation, or that are in association
with a development project shall require an application, fee, and written concurrence
from the Division of Water Quality.
4. Stream enhancement is defined as the process of implementing stream
rehabilitation practices in order to improve water quality and/or ecological function.
These practices must only be conducted on streams that are not experiencing
severe aggradation or erosion. Stream enhancement does not include the relocation
of the stream channel. Stream enhancement bank stabilization techniques include
the use of woody vegetation as the primary means of long term stability, and "soft"
techniques such as root wads that encourage the establishment of dense woody
vegetation. Stream enhancement techniques do not typically include the use of
stream bank or bed hardening techniques such as rip-rap or other rock, gabion,
block or concrete structures. However, enhancement activities may also include the
placement of in stream habitat or grade control structures such as cross vanes, j-
hook vanes, and wing deflectors that do not affect the overall dimension, pattern, or
profile of a stable stream.
The applicant is required to notify the Division in writing with three copies of detailed
enhancement plans and specifications before the impact occurs if the stream
enhancement project disturbs greater than 500 feet of stream bank or if the project
proposes the use of in stream structures. If the Division determines that the project
does not meet the above definition of stream enhancement, then the Division shall
notify the applicant in writing with an explanation within 30 days of receipt of the
notification to require application and payment of the appropriate fee;
5. Stream stabilization projects that include the use of any structure or fill in the existing
stream bed or disturb greater that 500 feet of stream bank that are proposed under
this General Certification require written application to and approval from the
Division of Water Quality.
WQC #3626
Stream stabilization is defined as the in-place stabilization of an eroding stream
bank using measures that consist primarily of "hard" engineering, such as but not
limited to concrete lining, rip rap or other rock, and gabions. The use of "hard"
engineering will not be considered as stream restoration or enhancement;
6. Impacts to any stream length in the Neuse, Tar-Pamlico or Randleman River Basins
(or any other major river basins with Riparian Area Protection Rules [Buffer Rules] in
effect at the time of application) requires written concurrence for this Certification
from DWQ in accordance with 15A NCAC 2B.0200. Activities listed as "exempt"
from these rules do not need to apply for written concurrence under this
Certification. New development activities located in the protected 50-foot wide
riparian areas (whether jurisdictional wetlands or not) within the Neuse and Tar-
Pamlico River Basins shall be limited to "uses" identified within and constructed in
accordance with 15A NCAC 26 .0200. All new development shall be located,
designed, constructed, and maintained to have minimal disturbance to protect water
quality to the maximum extent practicable through the use of best management
practices;
7. In order for the above conditions to be valid, any plans not requiring written
concurrence to use this Certification must be built according to the plans provided to
the Division of Water Quality. If written concurrence is required, then the project
must be built and maintained according to the plans approved by the written
concurrence and Certification from the Division of Water Quality;
Appropriate sediment and erosion control practices which equal or exceed those
outlined in the most recent version of the "North Carolina Erosion and Sediment
Control Planning and Design Manual" or "North Carolina Surface Mining Manual"
whichever is more appropriate (available from the Division of Land Resources at the
DENR Regional and Central Offices) shall be designed, installed and maintained
properly to assure compliance with the appropriate turbidity water quality standard
(50 NTUs in streams and rivers not designated as trout waters by DWQ; 25 NTUs in
all saltwater classes and all lakes and reservoirs; 10 NTUs in DWQ-classified trout
waters);
9. All sediment and erosion control measures placed in wetlands or waters shall be
removed and the original grade restored after the Division of Land Resources or
delegated program has released the project;
10. Any rip-rap shall be of such a size and density so as not to be able to be carried off
by wave or current action and consist of clean rock or masonry material free of
debris or toxic pollutants. Rip-rap shall not be installed in the streambed except in
specific areas required for velocity control and to ensure structural integrity of bank
stabilization measures. If rip-rap is to be installed within the streambed, the amount
and location must be approved in writing by the Division of Land Resources and
Division of Water Quality. However rock vanes, wing deflectors, and similar
structures for grade control and bank protection are acceptable;
11. Measures shall be taken to prevent live or fresh concrete from coming into contact
with freshwaters of the state until the concrete has hardened;
12. If an environmental document is required, this Certification is not valid until a Finding
of No Significant Impact or Record of Decision is issued by the State
Clearinghouse;
WQC #3626
13. Additional site-specific conditions may be added to projects which require written
concurrence under this Certification in order to ensure compliance with all applicable
water quality and effluent standards;
14. Projects with any impacts to streams, wetlands, and/or waters that have received a
Notice of Violation from the Division of Land Resources and/or the Division of Water
Quality are required to submit a complete application and receive written
concurrence to use this Certification regardless of the proposed impact amount to
streams, wetlands, and waters;
15. Concurrence from DWQ that this Certification applies to an individual project shall
expire three years from the date of the cover letter from DWQ or the notification sent
to DWQ;
16. Standard Erosion and 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:
a. 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. 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. Reclamation measures and implementation must comply with the reclamation in
accordance with the requirements of the Sedimentation Pollution Control Act.
e. Sufficient materials required for stabilization and/or repair of erosion control
measures and stormwater routing and treatment shall be on site at all times.
17. No Impacts Beyond those in Application
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.
18. No Sediment and Erosion Control Measures in Wetlands
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 or locally delegated program has released the project.
WQC #3626
Non-compliance with or violation of the conditions herein set forth by a specific project shall result
in revocation of this Certification for the project and may also result in criminal and/or civil
penalties.
The Director of the North Carolina Division of Water Quality may require submission of a formal
application for Individual Certification for any project in this category of activity if it is determined
that the project is likely to have a significant adverse effect upon water quality including state or
federally listed endangered or threatened aquatic species or degrade the waters so that existing
uses of the wetland or downstream waters are precluded.
Public hearings may be held for specific applications or group of applications prior to a
Certification decision if deemed in the public's best interest by the Director of the North Carolina
Division of Water Quality.
Effective date: 19 March 2007
DIVISION OF WATER QUALITY
By
001,_
Alan W. Klimek, P.E.
Director
WQC # 3626
rF?,
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
March 25, 2003
DWQ Project No. 03-0311
County: Wake
Page 1 of 2
City of Raleigh, Central Engineering
Attn: Mr. Carl R. Dawson, Jr., P.E.
222 West Hargett Street
P.O. Box 590
Raleigh, NC 27602
Subject Property: Stream Bank Erosion Repair at 2024 Quail Ridge Road, Raleigh, NC
UT to Marsh Creek [03-04-02, 27-33-20, C NSW (nutrient sensitive)]
APPROVAL of 401 Water Quality Certification and AUTHORIZATION CERTIFICATE per the Neuse River Buffer
Protection Rules (15A NCAC 2B.0233)
Dear Mr. Dawson:
You have our approval, in accordance with the attached conditions and those listed below, to place fill within or
otherwise impact 40 feet of streams and 240 square feet (fe) of protected riparian buffers for the purpose of
constructing the proposed stream bank stabilization project, as described within your application dated March 12, 2003.
After reviewing your application, we have decided that the impacts are covered by the N.C. Division of Water Quality
(DWQ) General Water Quality Certification Number(s) 3353 (GC3353). The Certification(s) allows you to use
Nationwide Permit 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 213.0233. 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 regulations. Also, this approval will expire when
the accompanying 404 permit expires unless otherwise specified in the General Certification.
This -approval .is-only valid 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). For this approval to be valid, you must follow the
conditions listed in the attached certification.
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, P.O. Box 27447, Raleigh, N.C. 27611-7447. 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.
North Carolina Division of Water Quality, WETLANDS / 401 UNIT
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
1650 Mail Semite Center, Raleigh, NC 27699-1650 (Mailing Address)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetlands
Page 2 of 2
Attachments: Certificate of Completion
GC 3353
Cc:
USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
File Copy
Central Files
DWQ # 03-0311
Date: March 25, 2003
bz
Sincerely,
tA4 %A
FILE COPY
City Of 6Raleigh
5Vorth Coarolina
March 12, 2003
Mr. John Dorney
North Carolina Department of Envireo
And Natural Resources
Division of Water Quality
401/Wetlands Unit
1650 Mail Service Center
Raleigh, North Carolina 27699-1650

401 ISSUED
wk7ZANDS1"A 4®1GAoUP
RE: Pre-Construction Notification Application Form for
Streambank Stabilization at:
2024 Quail Ridge Road
Raleigh, NC 27612-6216
Dear Mr. Dorney:
R 1 , 2003
WA rrRQUq?
??SEcT?ON
Please find enclosed seven copies of a completed "Pre-Construction Notification
Application Form" for the referenced project. I am submitting one copy of this application
concurrently to Ms. Andrea R. Wade with the United States Army Corps of Engineers.
The proposed repairs are to address an existing erosion problem along a stream
channel in the Neuse River Basin. Written approval is sought solely for Buffer
Rules, and thus the application fee does not apply for this project.
Thank you for your assistance in processing this application. If I may answer any
questions concerning the application or if you or a member of your staff would like to
meet me for a site inspection, please contact me at telephone number [phone].
Sincerely,
James K. Leumas, P. E.
Stormwater Services Engineer
J KL/
Enclosures
cc: Mr. H. Daniel Bowden, P. E.
Ms. Veronica K. Erby
Ms. Andrea R. Wade
Ms. Becky L. Ward, P. E.
OFFICES • 222 WEST HARGETT STREET • POST OFFICE BOX 590 • RALEIGH, NORTH CAROLINA 27602
Recycled Paper
City Of 6Raleigh
5Vorth Carolina
March 12, 2003
Ms. Andrea R. Wade
Raleigh Regulatory Field Office
United States Army Corps of Engineers
6508 Falls of Neuse Road
Suite 120
Raleigh, North Carolina 27615
RE: Pre-Construction Notification Application Form for
Streambank Stabilization at:
2024 Quail Ridge Road
Raleigh, NC 27612-6216
Dear Ms. Wade:
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 Dorney with the North Carolina Department of Environment and
Natural Resources, Division of Water Quality, 401/Wetlands Unit. The proposed repairs
are 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,
Cif
James K. Leumas, P. E.
Stormwater Services Engineer
J KL/
Enclosure
cc: Mr. H. Daniel Bowden, P. E.
Ms. Veronica K. Erby
Mr. John Dorney
Ms. Becky L. Ward, P. E.
OFFICES • 222 WEST HARGETT STREET m POST OFFICE BOX 590 • RALEIGH, NORTH CAROLINA 27602
Recycled Paper
Office Use Only: Form Version May 2002
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not A f r98 / 'iffif GROUP
L Processing MAR Z 7
2003
1. Check all of the approval(s) requested for this project: WAT.' qAZ% a
® Section 404 Permit ® Riparian or es
? 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 availabili ty 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
1. Owner/Applicant Information
Name: City of Raleigh, .Central EngineeringAttn: Mr. Carl R. Dawson Jr. P.E.
Mailing Address: 222 West Hargett Street
P.O. Box 590
Raleigh, North Carolina 27602
Telephone Number: 919-890-3030 Fax Number: 919-890-3832
E-mail Address: carl.dawson_(@,,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:
Telephone Number: Fax Number:
E-mail Address:
Page 5 of 15
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 2024 ail 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 9670
4. Location
County: Wake Nearest Town: Raleigh
Subdivision name (include phase/lot number): Lot 69. Fox Run Subdivision, Section J
Directions to site (include road numbers, landmarks, etc.): From Downtown Raleigh take
Capital Blvd. North to Spring Forest Rd. Turn Left on to Spring Forest. Turn left on Quail
Ridge Road which is located directly across from Millbrook HS at the traffic light. The
property is located at the south east comer of Quail Ridge Road and Port Royal Road.
5. Site coordinates, if available (UTM or Lat/Long): 35 deg-51'40" / 78 deg-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): 0.38 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.ne.us/admin/m".)
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 Nort
h
Page 6 of 15
Raleighh The lot size is proximately 1/3 of an acre. When the subdivision was developed
a storm drainage collection system consisting of a series of 54 in reinforced concrete pipes
(RCP) was placed under Port Royal Road to convey water to the south side of the road. The
project property is located on the south side of the road and this 54 inch storm drainage
system discharges into the stream located on the properiv. The watershed drainage area to
the project site is approximately 139 acres, 0.21 square miles. The entire watershed is fully
built out. The watershed is 60% sin a family residents on 1/3 acre lots and 40% institutional,
consisting of the Millbrook HS campus & Millbrook Exchange Park. A watershed study was
performed by the City of Raleigh on Marsh Creek in 1992. In this report the watershed was
modeled with an HEC-1 anal sites to project discharges. The report calculated that during a
10 year storm event the discharge expected at the 54" pipe would be 159 cubic feet / second
(cfs). The 100 year discharge predicted by the models was 240 cfs. The velocities of
stormwater at the outlet of the pipe were calculated to be between 10 fps and 15 fps. These
high velocities are producing erosion at the outlet of the 54" pipe. Typical allowable
velocities on ordinary firm loamy soil are 3.5 ft/sec. The stream is in a confined channel
with bank heights of 5 to 6 feet with residential structures in close proximity. The 54" pipe
was initially installed with a concrete endwall and a five foot wide splash pad. Over time the
channel has cut down approximately 2 feet below the splash pad . The soil under the existing
pad has been eroded out under the 5 foot pad length and continues further back to the first
joint of 54" pipe, approximately an additional 6-8 feet. If repairs are not made to stabilize
the pipe foundation, endwall, end pipe section, and splash pad, they will eventually become
unstable enough to fall into the creek. The existing stream is approximately 10-12 feet from
the lot line. To stabilize the land on the adjacent lot on Port Royal Road a concrete block
wall was, built from the southeast wing wall approximately 25 feet in length. The four foot
eroded severely. The toe of the channel has eroded back significantly to where the soil angle
from the bottom of the wood timber to the channel bottom is almost vertical. A large stump
in the channel is contributing to this east bank erosion along with the high velocities from the
pipe. The western bank at the channel outlet is at an existing 1.5H:1 V slope and is armored
with rip rap. This bank wears to be stable. The channel reach on the property of 2024
Quail Ridge Road is 60 feet in length. At the end of the channel at the property line between
2024 and 2020 Quail Ridge Road is the entrance to a 60 inch RCP. This pipe was constructed
so that it projects from the filled embankment. The pipe is approximately 89 feet in length
and discharges into a stream that shows indications of incision, but is fair IX stable. The bank
heights in this segment of the channel below the 60" pipe are significantly lower than the
stream banks on the project property. During large storm events the 60" pipe limits the flow
of water and backs up storm water into the eroded reach of our project.
The existing 54" pipe s sty em upstream of the project property has been noted in the Marsh
Creek Basin Study as causing potential structural flooding during an 100 year storm event to
upstream properties. Modifications would need to be made to this system to alleviate the
upstream flooding potential. Evaluations of proposed future improvements to the system
resulted in the possibility of a larger pipe system being put in place at a lower elevation as a
solution. Therefore if future improvements are made to the existing system to comply with
flood regulations the existing 54" pipe would need to be replaced by the City of Raleigh.
Page 7 of 15
10. Describe the overall project in detail, including the type of equipment to be used: The
project consists of stream bank stabilization, the repair of erosion under an existing, 54 inch
pipe, concrete splash pad, and headwall, improvement of eroded stream width, and the
establishment of a vegetated buffer within the channel banks. The construction to repair the
erosion under the pipe will consist of placing flowable fill in the voids under the pipe and
structure. A hole may need to be excavated upstream of the headwall to gain access to the
voids under the pipe. A form would be placed at the end of the splash pad to contain the fill.
The fill would then be pumped under the structure and pipe to fill the soil voids. The most
severe bank erosion is occurring at the end of the pipe at the east end of the channel. This
area experiences the most severe velocities and this is where the stormwater energy is
dissipated. The stump that is located in the channel will be removed allowing for a better
flow of stormwater. The eastern bank will be repaired by filling the eroded bank back to a
minimum 1.5H:1 V slope where ever possible this slope will be extended to a 2H:1 V. The
soil will be compacted in lifts during construction. Because of the large velocities and
confined channel Class H rip rap will be required to line the banks and establish a stable toe.
The rip rap elevation will be limited to the elevation of the landscape timber (approximatelX
elevation 313.5), and will continue at that height for a linear distance of 30 feet along the
bank. The stone will then will taper off to tie into an existing bench. At the base of the
concrete slash pad a 13 foot rip rap apron will be constructed to tie in the elevation of the
splash pad with the current channel elevation. This apron will help to dissipate energy and
shift the anticipated scour pool further down the channel and away from the confined area at
the end of the pipe. The banks above the rip rap will be graded out to minimum 2H:1 V slope
and stabilized with seed. The rip rap will be planted with plant material. Both sides of the
bank will be planted with rooted vegetation to re-establish the stream buffer to the elevation
of 313.5. It is anticipated that this work can be completed with a small track hoe and loader.
Stream access is as shown on the plan drawing. The equipment access to the stream will be
repaired with erosion control matting, seed, and rooted vegetation. The stream toe damaged
by the equipment access will be repaired with a coir log.
11. Explain the purpose of the proposed work: The proposed project was 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 stream on the property is eroding causing property damage and instability
to the existing 54 inch storm drainage system. The purpose of the project is to stabilize the
storm drainage system, stabilize the channel banks, improve the channel eroded dimensions,
and provide for a better vegetative buffer on the existing stream 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,
Page 8 of 15
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules.
N/A
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.
There is no funding in place for future work with the existing 54" pipe s sty em upstream of the
project property that discharges onto it. If future work is done it would most likely involve
upgrading the existing12ipe system. There is no plan at this time to upgrade the 54" pige.The
current project is funded under the current City _policy and involves a cost share with the current
homeowner for drainage that is not within the City of Raleigh Right of Way. This project
involves stabilizing the existing pipe system and channel on private property and is limited to the
single lot at 2024 Quail Ridge Road.
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 40 linear feet of existing stream channel. The impacts will be the
placement of approximately 13 linear feet of rip rap energy dissipater at the discharge location of
an existing 54" pipe and the placement of fill to re-establish a bank slope and rip rap stabilization
over the constructed slope. The rip rap bank stabilization will be placed to an elevation
approximately 5 feet above the channel elevation on the reconstructed slope.
2. Individually fist wetland impacts below:
Wetland Impact
Site Number
(indicate on ma)
Type of Impact* Area of
Impact
(acres) Located within
100 year Floodplain**
es/no) Distance to
Nearest Stream
(linear feet)
Type of Wetland***
N/A

Page 9 of 15
* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill,
excavation, flooding, ditchingldrainage, etc. For dams, separately list impacts due to both structure and flooding.
ii 100-Year floodplains are identified through the Federal Emergency Management Agency's 0 A/IA) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or
online at http://www.fema. og_v.
'** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
List the total acreage (estimated) of all existing wetlands on the property: N/A
Total area of wetland impact proposed:
3. Individually list all intermittent and perennial stream impacts below:
Stream Impact
Site Number
(indicate on map)
Type of Impact* Length of
Impact
ear feet
Stream Name** Average Width
of Stream
Before Impact Perennial or
Intermittent?
lease
1 sRip tabl?k 40 Tri b. to Marsh Creek 20-25 ft. Perennial
2 Rip Rap Apron 13 Trib. to Marsh Creek 20-25 ft Perennial

List each impact separately and identify temporary impacts. Impacts include, but are not limited to culverts and associated rip 4v,
dams (separately list impacts due to both sb uctm and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, np Tap, crib wall, gabions, etc.), excavation, ditching/sEraightening, etc. 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 stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.uses.eov. Several internet sites also allow direct download and printing of USGS maps (e g., www.topozone.com
www.mapquestcom. etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 40 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
a(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.
Page 10 of 15
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 a lication.
Pond to be created in (check all that apply): F-I uplands 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.): N/A
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.
This proj ect is constra ined to the grope _ located at 2024 Quail Ridge Road. Due to the close
proximity of the pro eM line on the east side of the stream the bank co uld not be slop ed back
and into
subdivisi an adjacent p
on are limite rop. The proper is very c
d to 1/3 of an acre. Much of th onstra
e availa ined because the lots in thi
ble land is all ready comm s
itted to
the house footprint, d eck and driveway. The site is further limited bec ause the 60 foo # length of
stream is confined bet ween two large storm drainage pipes. A priority one stream res toration
was not a pplicable be cause of the stream length and pipe in vert elevatio ns that control the
stream. Also the land is not available for this pption. A g;i ority 2 resto ration was not an option
because of the close p roximity of adjacent grope t o the e ast and limi ted room on th e west side
the amount of rip rap placed on the channel banks. However due to the lar ge velocities generated
at the outlet of this pi pe and bec ause of the confined area stone was Muir ed to provide sufficient
stabilization of the to e and bank for mM different storm event s that will b e confined within this
channel. Bioengineering metho ds were not chose because the y would no t be as effective mn
withstanding the velo cities and b ackwater effects of the downst ream pipe. The rip
rap length
along the stream bank was mini mized as much as possible in th e constructi _
on plan and will be
fin-ther limited during construct ion if an appropriate tie in can b e made at a shorter distance
within the channel an d beyond t he anticipated plunge pool leg 1h. The rip rap will be planted
with vegetation to enhance the b uffer, further stabilize the bank s, and provide water qua
benefits The existing; downstrea m flood plain bench will be ext ended and tied into with the rip
rasp stabilization as qu icklas po ssible beyond the plunge pool area.
Page 11 of 15
This project is funded partially by the proptr . owner and the C?iV of Raleigh, The City has
funding limits for individual repairs and the grope owner also has to agree to the percentage
construction cost respired for his gartigWation. Therefore funds also were a limiting factor for
this project.
Construction access was also a consideration in the Type of work that could be effectively
completed at this site within the confined area and limited access to the site and channel.
VIIL 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
hU://h2o.enr.state.nc.ustncwetlands/strmWde.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
Page 12 of 15
2. Nfiitigation 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/wrp/index.htrr If use of
the NCWRP is proposed, please check the appropriate box on page three and provide the
following information:
Amount of stream mitigation requested (linear feet): N/A
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount of Non-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
IX.
X.
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 Z,
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 ?
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 )?
. Yes ® No ? If you answered "yes", provide the following information:
Page 13 of 15
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.
*
I Impact Required
Zone ..-.- f-A Multiplier AA;114. +;.
1 240 3 720
2 0 1.5
Total 720
Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
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.
As a part of this-Droiec_the 240 _souare_ feet of impacted stream with rip ran will be planted with
vegetation. Also in addition to these plantings an additional 640 square feet will be planted in
zone one to re-establish a vegetated buffer on the channel banks. The total area replanted will be
880 square feet.
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
XIL 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
XIlL 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 14 of 15
X1V. 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
&/,j

Applicant/Agent's SignatutJ /Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 15 of 15
UNITED STATES RALEIGH EAST QUADRANGLE
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DEPARTMENT OF THE INTERIOR NORTH CAROLINA-WAKE CO. ?.? /1 T.!\T rN r1T I"XT AT TT TI-< --o_,' ,fa 7.5 MINUTE SERIES (TOPOGRAPHIC
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1000 0 1000 2000 3000 4000 5000 6000 7000 FEET
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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2024 Quail Ridge Road, Raleigh NC
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Soil Survey Wake County NC
November 1970
Scale 1" = IA Mile = 1320'
••.-.+o- r< rri wl??ir-i ri. rEraRCt. SURVEYING 919 269 4354 P.01
NOTE$ BENB LOT 69 OF FOX RUN BUBDNIOI % KCTION If
RECORDED N BOOK OF MAPS 1971, VOLUTE 41 PAIL 497.
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CITY OF RALEIGH
WAKE COUNTY :,. a.??;.••
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1. DAIOM 0. KWIIO'• , certify that under my direction and supervision this map WILLIAMS, PEARCE II ASSOC,, A A.
sea drwm tram an amAl fldd survey; that the error of closure of the survey as calcu- REGISTERED LAND SURVEYORS
Leed by tetlwdw and departures, is l: IOs000 : sIM: the! MY: awvey medr. yenery rZEOULON, NORTH CAROLINA
alraler? e! paelwfM-laa/ ateveyY?l;N°NMNh'Geretlee. TELEPHONE: (919)
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WWitnm my hand and ad this 2,, deli of MAY, I M4.
3 R. L. S. L-240T G ? DRAWN BY: DOW $ BGW,
cNECKEo By: DO, -
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Watershed Boundary
Area= 139 Acres = 0.21 Sq. Miles
Scale 1" = 500'
Soil Survey Wake County NC
November 1970
Scale 1" = 'A Mile = 1320'
Picture 1
Picture 2

Photograph Descriptions
1. View of the channel looking upstream towards the 54" pipe and Port Royal
Road.
2. View of eastern bank showing erosion from concrete block wall
downstream to existing bench.
Picture 3
Picture 4

Photograph Descriptions
3. View of western bank, erosion occurring primarily towards the top of the
embankment.
4. View of Western Bank and proximity of structures to existing channel.
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e $S? L? K
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ncir_ 2 f o1L
-_
/nrrJ.
10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00 55.00 60.00 65.00 70.00 75.00
Distance (feet)
Longitudinal Profile
L"I%
Apptox aS _,

70100 W'ft.WItU. 317.

? h o
EIM, r OF I ?

;k

,l?igCe- 70 / s 1u??7' A* ---
PiPE #4^09 ? Fill
70 Lou /'?r% r'/I/1?uvic. fit 50 40 30
tiU Distance (feet)
^?-j 0-1 116s ..0 1,3
;
320
319
318
317
316
315

314 w
313 0
312

311 w r4
l
F'
310 >
309
4
308
307
306
10 0
New pool LOCO:" 5(.,w (Js, of
?ic?sh 54" A juc. Nor UvOsTe-'
TO F01CM NA' V-,ArLL (.