20070638 Ver 1_401 Application_20070407

Dewberry
2301 Rexwoods Drive 919 881 9939
Suite 200 919 881 9923 fax
Raleigh, North Carolina 27607-3366 www.dewberry.com
2Uu~06~8
Apri15, 2007
Ms. Cyndi Karoly
Environmental Supervisor II
NC Division of Water Quality
401/Wetlands Unit
1650 Mail Service Center
Raleigh, North Carolina 27699-1650
PSI
Reference: City of Raleigh
Vandora Avenue Streambank Stabilization in Sanitary Sewer Easement
PCN Application
Dewberry Project No. 73183900
Dear Ms. Karoly:
Enclosed are seven copies of an after-the-fact Pre-Construction Notification (PCN) Application Form, site
location map, photographs, and a permit processing fee of $200, for the project: Vandora Avenue
Streambank Stabilization in Sanitary Sewer Easement.
The Vandora Avenue Streambank Stabilization project was an emergency activity performed by the City
of Raleigh within a sanitary sewer easement along an unnamed tributary to Lake Benson between
Vandora Avenue and Lakeside Drive in Garner. Significant Streambank erosion in this area threatens
destabilization ofthe adjacent sanitary sewer.
Photos taken at the site on November 2, 2006, prior to the work, and Apri13, 2007, after completion of
the work, are attached.
Please call with any questions regarding this permit application.
Sincerely,
Dewbe & Davis, Inc.
Mary T. Brice, P.E.
Project Engineer
Enclosures
Cc: Donna Jackson, P.E., City of Raleigh
Chris Brown, P.E., Dewberry
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Ufflce USe Only: ``~- ~ f"~~ ~~%~ Form Version May 2002
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "Niw°.~
I. 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: NWP 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), o g~~'~~17~ D
(~ ~ ~`J D
II. Applicant Information ,
ANR 9 2007
1. Owner/Applicant Information rJE~4~ -11VATER QUALITY
Name: City of Raleigh North Carolina 1A~?CA.NQ3A,t!OSTC~R4~N.ATER9RANCH
Mailing Address: Attn• J. Russell Allen City Manager
X22 West Hargett Street
Raleigh NC 27602
Fax Number: 91.9-890-3600
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:
Telephone Number: 91.9-890-3400
E-mail Address:
Company Affiliation:
Mailing Address:
Telephone Number:
E-mail Address:
Fax Number:
Page 3 of 12

sr
III. Project Information
Attach a vicinity map clearly showing the location of the prone~+~~ -- ' " respect to local
landmarks such as towns, rivers, and roads. Also Drn~"a~
boundaries and development plans in relation to : ~, ~Ya. ~~
and site plan must include a scale and north arr~ ~
impervious surfaces, or other facilities must be inc.
include the appropriate USGS Topographic Quad I\
boundaries outlined. Plan drawings, or other maps
so long as the property is clearly defined. For ac
USACE requires information to be submitted on sl
~k ~.~
;howing property
the vicinity map
if all buildings,
nd plans should
~. ~. 'th the property
1 ~c QS te'a' ~S nt's discretion,
~ "'`6'r purposes, the
__ «~an 11 by 17-inch format;
however, DWQ may accept paperwork of any sic,e. 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: Vandora Avenue Emergency Streambank Restoration in Sanitary Sewer
Easement
2. T.I.P. Project Number or State Project Number (NCDOT Only):
3. Property Identification Number (Tax PIN): 1710097435
4. Location
County: Wake Nearest Town: Garner
Subdivision name (include phase/lot number): Drainage Easement Branch Land, St. Maw's
townshiU
Directions to site (include road numbers, landmarks, etc.):
Take I-440 to South Saunders Street exit #298A. Travel east on US 70 approximately 3.7
miles to the Vandora Springs ramp Turn right onto Vandora Springs Road and travel
approximately 0 3 miles to Lakeside Drive. Turn left onto Lakeside Drive and travel
proximately 0 1 miles to the intersection of Lakeside Drive and Vandora Avenue. Site is
located in the sanitarysewer easement between Lakeside Drive and. Vandora Avenue.
5. Site coordinates, if available (UTM or Lat/Long):035" 42' 7.34" N 078" 37' 27.b4"W
(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): 3.47 acres
7. Nearest body of water (stream/river/sound/ocean/lake): Unnamed tributary to Lake Benson
River Basin: Neuse upe a,'1 - ~ 3 - ~S .S~
(Note -this must be one of North Carolina's seventeen designated
River Basin map is available at http:/~'h2o.enr.state.nc.us/admin/map w5 t t 1~ Ns~ C~

Page 4 of 12

9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: Project site is located in a sewer easement owned by the
City of Raleigh alone the bank of an unnamed tributary to Lake Benson. Increased
streambank erosion threatens destabilization of the adjacent sanitary sewer. Site is located in
Zone 1 of a jurisdictional stream..
10. Describe the overall project in detail, including the type of equipment to be used:
The project includes use of boulder material keyed into streambed and placed to replicate
location of~re-eroded streambank and backfilled with compacted soil. Material will be
placed with tnlcks and trackhoes (i e conventional construction equipment). The site will be
revegetated after completion of repairs
11. Explain the purpose of the proposed work: Streambank restoration at an area of severe
erosion and potential destabilization of the adjacent sanitary sewer.
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.
Nine.
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.
VI. 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.
Page 5 of 12

1. Provide a written description of the proposed impacts: Restoring three segments of
streambank and sanitary sewer easement in the riparian buffer (Site #1 = 5' wide by 30' long,
Site #2 = 6' wide by 40' long, Site #3 = 5' wide by 40' 1on~), placement of boulders and
backfill material for stream. bank stabi]ization.
2. Individually list wetland impacts below:
Wetland Impact Area of Located within Distance to
Site Number Type of Impact* Impact 100-year Floodplain** Nearest Stream Type of Wetland***
(indicate on ma acres) (es/no linear feet
n/a tv`a n/a n;`a n/a tv'a
* List each impact separately and identify temporary impacts. Impacts 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
(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:i/www.fema.aov.
*** 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: n/a
3. Individually list all intermittent and perennial stream impacts below:
Stream Impact Length of Average Width Perennial or
Site Number Type of Impact* Impact Stream Name** of Stream Intermittent?
(indicate on ma) linear feet Before Im act leases ecif )

Site #1 Stream bank
30
UT Lake Benson ~0' between top
Perennial
restoration of bank

Site ~2 Stream bank
40
LT Lake Benson 30' between top
Peremnial
restoration of bank

Site f3 Stream bank
40
UT Lake Benson ~0' between top
Peremual
restoration of bank
* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, 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
w-w-w-.us~s.~ov. Several Internet sites also allow direct download and printing of USGS maps (e.g., w•ww.topozone.com,
www.mapguest.com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 1.10
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 Type of Impact* Area of Name of Waterbody Type of Waterbody
Site Number Impact (if a licable) (lake, pond, estuar ,sound,
Page 6 of 12

(indicate on ma) (acres) ba ,ocean, etc.)
tva n1a ~v'`a n(a ova
* 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 ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.): nia
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: n/a Expected pond surface area: n/a
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It maybe 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.
Impact is necessitated by the imminent destabilization of an adjacent sanitary sewer due to
the proximit~of the sanitary sewer and eroded streambank. Effort will be made to minimize
impact to the riparian buffer Work will be linuted to the existing_sanitary sewer easement.
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
Page 7 of 12

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/ncwetlandslsti-mgide.html.
1. 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:J/h2o.enr.state.nc.us/wrp/index.htm. 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): n/a
Amount of Riparian wetland mitigation requested (acres): n/a
Amount ofNon-riparian wetland mitigation requested (acres): n/a
Amount of Coastal wetland mitigation requested (acres): i~/a
IX. 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
Page 8 of 12

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 )?
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
s uare feet) Multiplier Required
Miti ation
1 590 3 n/a
2 1.5
Total
* Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an
additiona120 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.
Page 9 of 12

XI. 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.
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
XIII. 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 anafter-the-fact permi application?
Yes ~ No
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).

~ipplicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 10 of 12

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Name: GARNER Location: 035° 42' 06.07" N 078° 37' 29.42 " W
Date: 11/16/2006 Caption: City of Raleigh
Scale: 1 inch equals 1000 feet Vandora Avenue Streambank Stabilization in Sanitary Sewer
Easement
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Streambank Restoration Area Site #1 (looking upstream)
November 2, 2006
Streambank Restoration Area Site #1 (looking downstream)
April 3, 2007
Proposed Vandora Avenue
Completed Vandora Avenue

e;
Proposed Vandora Avenue
Streambank Restoration Area Site #2
November 2, 2006
Completed Vandora Avenue
Streambank Restoration Area Site #2
April 3, 2007

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Streambank Restoration Area Site #3
November 2, 2006
Streambank Restoration Area Site #3
April 3, 2007
Proposed Vandora Avenue
Completed Vandora Avenue