20040838 Ver 4_More Info Received_20070731

Robert J. Goldstein and Associates, Inc.
ENVIRONMENTAL CONSULTANTS
1221 Corporation Parkway, Suite 100 Since 1985 Tel: [phone] or [phone]
Raleigh, North Carolina 27610 Fax: [phone]
e mail r~oldstein(a~RJGAearolina com website: www.ri~acarolin~.com
31 July 2007 /~ ~j
Ms. C ndi Karol Su ervisor L~- ~ ~"J ~ ~~
Y Y~ p D 1
401 Oversight/Express Review Permitting Unit
1650 Mail Service Center
Raleigh, NC 27699-1650
RE: DWQ Project # 04-0838, Ver. 4
Dear Cyndi:
Pursuant to your letter dated 24 July 2007, please find attached five copies of the revised permit
application as requested.
With regard to request number 1, reduction of impacts to Wetland CH illustrated on Impact
Figure 3, we were able to modify the alignment slightly and reduce the impacts to this area by
0.01 acre. Please be aware that our initial design included no impacts to this wetland. During a
site visit with Ms. Amy Chapman of your office, we were requested to minimize impacts to the
stream in this area (which is undergoing substantial erosion and bank instability), and redirect the
trail into the wetland area. The reduction we were able to achieve is minor, but to meet both
requests from your office it is the best that can be done in this area. If you have any questions on
this matter, please contact me at the telephone number below to discuss.
With regard to the second request, including the sewerline locations on impact figures, these
graphics have been updated to show the requested information.
Please do not hesitate to call or reply to this submission with questions or comments. Thanl: yc~u
in advance for your time and attention to this increasingly pressured project.
Sincerely,
.~
Chris Hopper, RJG&A
Christopher Hopper, Biologist
Robert J. Goldstein & Associates, Inc.
1221 Corporation Parkway
Raleigh, NC 27610
919-872-1174; fax [phone]
chopper@rj gaCarolina.com
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NEPA & SEPA Environmental Assessments ~ Eravironn~~entnl Impnct Studies ~ Juri.rdictionnl I~Vetlnnd & Stream BtTf~~r I )c~linentiow.r • AOa - 4tll Pcrmi~s •
GJS/GPS Mapping • Water Quality Monitoring •Stream & Wellmnl Mitigation and Restoralron • Endnn,~ered Sj~~-cir~~~ .Snrrci:c <<~ Alunitarirr,~
• Bialogicnl Assessments & Conservation Plnns • Water Intokes & Rcservoii:c • 14'amr Line.+ d 7~renrmenr /'Innu • ~~ firer/iii~~c c@ Iln~trn nmr lir~N~iir,ir
• /nsh~eam Flow Analyser • lnterbasin Transfer Certi~icnles • Lake N/nnq~ement & N%nmrsherl ,~Llodc~lrng • ~Ir~hu~ oln,~i~~nl ~~iu~rc~i~ ri~rd l~~~ii~r,<.; • `~nh~l
Waste Landfills •Phase 1 Environmental S'iteAsscssment.e • Parks & Greeni~~ni~s Planning • (~11'A-///~ (;rnnr .Ipplicn~iait~

Office Use Only' Form Version March U~
USACE Action ID No. 200421186 DWQ No. 04-0838
_1.1_11 _ _IIAi/A 11 \
(If any particular item is not appncante to tms project, ptcasc ciiici ~~~~ ht,y,l~a~~~ ~. ~~/~. •~
I. Processing
1. Check all of the approval(s) requested for this project:
X Section 404 Permit X Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
X 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: NWP 14 / WQC 3404
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 Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section V [Tl,
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 h
~~M
IL A licant Information
pp ~ JAL ° 3.1-2007
1. Owner/Applicant Information t
Name: Cit of Ralei h Parks and Recreation De artm ©~R ~.INAi'~ (LII`Y
Mailing Address: Attn: Mr. Victor Lebsock
PO Box 590
Raleigh North Carolina 27602
Telephone Number: 919-890-3285 Fax Number: 919-890-3299
E-mail Address: victor lebsock(c~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: Mr. Christopher Hopper
Company Affiliation: Robert J. Goldstein & Associates, Inc.
Mailing Address: 1221 Corporation Parkway
Raleigh North Carolina 27610
Telephone Number: 919-872-1174 Fax Number: 919-872-921.4
E-mail Address: chopper(a,rt~aCarolina.com
Updated 11/1/2005
Page 1 of 9

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 su>-rounding 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 maybe 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: Walnut Creek Greenwav Trail Additions and Extensions
2. T.LP. Project Number or State Project Number (NCDOT Only): Not Applicable
3. Property Identification Number (Tax PIN): Greenwav Trail utilizin;; easements
4. Location
County: Wake Nearest Town: City of Raleigh
Subdivision name (include phase/lot number): Not Applicable
Directions to site (include road numbers/names, landmarks, etc.): The amended portion of
the project is located in the City of Raleigh Wake County North Carolina along the
northern floodplain of Walnut Creek between Lake Wheeler Road (SR 1009) and South
Saunders Street (NC 50/70/401) The proposed greenway follows an existing sanitary sewer
easement for roughly 4,700 feet.
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): Decimal Degrees provided below.
Stream Impact 1: Lat 35.75932296 Lon -78.65898230
Stream Impact 2: Lat 35.75856145 Lon -78.65523970
Stream Impact 3: Lat 35.75625320 Lon -78.65310482
6. Property size (acres): The amended portion of this project is roughly 4 700 feet long and
includes a 14-foot wide trail (10' of pavement and 2' shoulders on each side of pavement).
Estimated area: 1.5 acres.
7. Name of nearest receiving body of water: Walnut Creek (HUC 03020201090010)
8. River Basin: Neuse River
Updated 11/1/2005
Page 2 of 9

(Note -this must be one of North Carolina's seventeen designated major river basins. ~l~hc
River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.)
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 land use along_the greenway portion paralleling Walnut
Creek (3 900 feet) is almost entirely maintained as sanitary sewer easement. The sewer
easement alignment is mowed on a regular basis and contains only herbaceous vegetation.
Currently permitted alignments of this project take the trail into adiacent woods, but project
designers have relocated the trail entirely within previously disturbed areas of the sewer
easement to minimize impacts to woodlands and forested wetlands. The southern half of the
segment that will loin the trail with Lake Wheeler Road at Centennial Parkway (400 feet)
will traverse a herbaceous field that overlays a recent hazardous waste clean-up site, and the
northern half of this segment (400 feet) will be installed across a bottomland hardwood
forest This is necessary to link the Walnut Creek Greenway with Lake Wheeler Road at the
NC Farmer's Market.
10. Describe the overall project in detail, including the type of equipment to be used: The
overall project received permit approval from both USACE and NCDWQ in January 2005.
The permit effective date was January 31 2005 (USACE Action ID 200421186; NC DWQ
Project No 04-838) and the maiority of the project has been completed. This application is
being submitted as an amendment to the original pl-oiect This amendment is bein~~ rcuurstc~i
for several reasons (see attached for full explanation of those changes). The revised project
alignments are comprised of three segments• 1) from Lake Wheeler Road on the west, to the
Norfolk Southern Railroad bridge over Walnut Creek (1 700 feet)• 2) from the Norfolk
Southern Railroad east and southeast to the end of the recently constructed trail east of a
large former beaver impoundment of an intermittent tributary of Walnut Creek (2,200 feet);
and 3) a spur trail that will connect to Lake Wheeler Road across from the NC Farmer's
Market with Segment 1 (800 feet) Stream crossings will be accomplished with the use of
culverts buried to 20 percent of their diameter in the streambed. Wetland areas will be
traversed with a paved trail and culverts will be installed every 40 to 60 feet to facilitate the
movement of water in these areas. Pavement will be used in order to allow use of the
~reenway as a means of inspecting the twin sewer interceptors 1~~ within the sc~~~~cr
easement as a secondary use of the recreational trail. The use of boardwalk through adiacent
forested wetland and riparian areas would require clearing of these areas, and is not
considered the most environmentally sound approach. Typical excavating and ~radin~
equipment will be used during construction of the paved portions of the trail.
11. Explain the purpose of the proposed work: Three stream crossings and five wetland impacts
are proposed to provide a greenway_trail for local residents and to provide a better means of
periodically inspecting a major sewer interceptor of the City of Raleigh. Traditional benefits
of these trails include recreational educational and alternative transportation options to City
of Raleigh and Wake County citizens.
IV. Prior Project History
Updated 1 ] /1 /2005
Page 3 of 9

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 anti
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.LP. project, along with
construction schedules.
See Attached.
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.
The purpose of this amendment request is to complete the proposed project. This is expected to
be the last related permit request for this project.
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. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should 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:
See Attached.
2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. t~or dams.
separately list impacts dne to tenth stricture and floodina.
Wetland Impact Type of Wetland Located within Distance to Area of
Site Number Type of Impact (e.g., forested, marsh, 100-year
Floodplain Nearest
Stream Impact
(acres)
(indicate on map) herbaceous, bog, etc.) ( es/no) (linear feet)
WTL CC (Fig 2) Fill -Recreational Trail Bottomland Hardwoods Yes 0 .006
WTL CD (Fig 4) Fill -Recreational Trail Herbaceous (easement) Yes 0 .074
WTL CE (Fig 4) Fill -Recreational Trail Herbaceous (easement) Yes 25 .Ot
WTL CF (Fig 6) Fill -Recreational Trail Herbaceous (easement) Yes 0 .04
WTL CH (Fig 3) Fill -Recreational Trail Herbaceous (easement) Yes 0 Ol
Updated 11/1/2005
Page 4 of 9

Total Wetland Impact (acres) 0.154
3. List the total acreage (estimated) of all existing wetlands on the property: Linear Corridor
across multiple properties. The full extents of wetlands have not been defined.
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, 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. To calculate acreage, multiply length X width, then divide by 43,560.
Stream Impact
Number

(indicate on map)
Stream Name
Type of Impact
Perennial o~
Intermittent. Average
Stream Width
Before Im act
p Impact
Length
linear feet
~ ) Area of
Impact
acres
~ ~
Culvert - 4-8 feet
STR 1 (Fig 3) UT Walnut Creek Perpendicular Perennial 20 feet .002
crossing _
Culvert - 2-4 feet
STR 2 (Fig 4) UT Walnut Creek Perpendicular Internuttent 20 feet OU 1
crossing
Culvert - 4-6 feet
STR 3 (Fig 6) UT Walnut Creek Perpendicular Intermittent 20 feet .002
crossing

Total Stream Impact (by length and acreage) 60 feet ,005
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fll aarravatinn r~reriuinu flnnrlina_ draina~e_ bulkheads. etc.
Open Water Impact ~ ..
Name of Waterbody Type of Waterbody Area of
Site Number (if applicable) Type of Impact (lake, pond, estuary, sound, bay, lmpact
(indicate on ma) ocean, etc.) (acres)

None
None
None
Total Open Water Impact (acres) rune
6. List t:
Updated 11/1/2005
ie cumulative impact to all Waters of the U.S. resulting from the project
Stream Impact (acres): .005
Wetland Impact (acres): .154
Page 5 of 9

Open Water Impact (acres): 0
Total Impact to Waters of the U.S. (acres) .159
Total Stream Impact (linear feet): 60
7. Isolated Waters
Do any isolated waters exist on the property? ^ Yes X No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USAGE.
Not A licable
8. 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.): Not Applicable
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): Not Applicable
Current land use in the vicinity of the pond: Not Applicable
Size of watershed draining to pond: None Expected pond surface area: None
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 alterlative, 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.
See Attached
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.
USAGE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
Updated 11/1/2005
Page 6 of 9

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 maybe appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetlal~d
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 NCEEP 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 (see DWQ website for most current
version.).
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.
Attached Impact Figures 1 through 6 identify the location of each impact proposed. Proiect
owners are requesting .156 acre of mitigation from NC EEP's In-Lieu Fee Program (.154
wetlands and .002 for unauthorized fill in Walnut Creek), and 60 linear feet of streams. The
2.1 ratio for mitigation requested by the Corps of Engineers has been applied. The total
mitigation being requested is summarized below in sub-para;;raph 2. NC EEP's acceptance
letter is attached in Attachment C.
No riparian buffer impact mitigation is proposed
2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement
Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at
[phone] to determine availability, and written approval from the NCEEP indicating
that they are will to accept payment for the mitigation must be attached to this form. For
additional information regarding the application process for the NCEEP, check the NCEEP
website at http://www.nceep.net/pages/inlieureplace.lltm. If use of the NCEEP is proposed,
please check the appropriate box on page five and provide the following information:
Amount of stream mitigation requested (linear feet): 60 (120 after 2:1 multiplier)
Amount of buffer mitigation requested (square feet): None
Amount of Riparian wetland mitigation requested (acres): .156 (.332 after 2:1 multiplier)
Amount ofNon-riparian wetland mitigation requested (acres): None
Amount of Coastal wetland mitigation requested (acres): None
Updated 11/1/2005
Page 7 of 9

IX. Environmental Documentation (required by DWQ)
L Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) land? Yes X No ^
2. 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 X
3. If yes, has the document review been finalized by the State Clearinghouse? If so, plcasc
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.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC'
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify)? Yes X No ^
2. If "yes", 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 Multiplier Required
(square feet) Mitigation
1 7,158 3 (2 for Catawba) NA
2 19,359 1.5 NA
Total I 26,517
* Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260.
No Mitigation Proposed
Updated 11/1/2005
Page 8 of 9

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Explanations and Supplemental Information:
Re: Permit amendment request ~ Walnut Creek Greenway Trail Additions and
Extensions -Lake Wheeler Road to Garner Road, Raleigh, NC.
INTRODUCTION:
This application is being submitted to request an amendment to an existing permit
(USAGE Action ID: 200421186 - NC DWQ Project No: 04-0838). The project is known
as "Walnut Creek Greenway Trail Additions and Extensions -Lake Wheeler Road to
Garner Road, Raleigh, NC". Figure 1 illustrates the location of the existing permitted
project and the location of this requested amendment (westernmost 4,700 linear feet
being revisited). Construction in areas to the east of the amendment area is either
complete or near completion. There are three major changes on the ground that have
prompted this request; 1) the removal of beaver impoundments that resulted in
substantially reduced wetland areas; 2) impacts to an existing Norfolk Southern Railroad
crossing of Walnut Creek following Tropical Depression Alberto (Alberto); and 3)
impacts to a large wetland complex resulting from US EPA and NC Division of Waste
Management cleanup of a hazardous waste site.
Because of reduced wetland areas, the use of boardwalk through forested wetlands has
been abandoned and project designers now intend to construct a paved trail almost
entirely within the existing cleared sanitary sewer easement.
Removal of Beaver Impoundments:
Figure 2.1 illustrates the extent of surface water existing at the time of 2004 stream and
wetland surveys along the proposed greenway trail alignment. The images provided are
along the eastern half of the amendment area, east of the Norfolk Southern Railroad
bridge over Walnut Creek. The beaver dam, identified in the inset on the right, began a
chain of impoundments that roughly paralleled the previous alignment on the north. The
floodplain north of the previous alignment drains to the east and connects with Walnut
Creek via stream channels that were dammed by the beavers. The water has receded
substantially because of the breach, as illustrated in photos provided in the lower left of
Figure 2.1, and the resulting reduction in local hydrology has eliminated large areas
previously identified as wetlands.
Norfolk Southern Railroad Crossing:
Figure 2.2 provides on-site photographs of the condition of the Norfolk Southern
Railroad bridge prior to Tropical Depression Alberto (March 2004) and its current
condition (May 2007). As these photos show, floodwaters have carried away large
amounts of the previous embankment material and prompted a redesign of the proposed
trail beneath the bridge. Figure 2.3 illustrates both previous, and current surface contours
of the scour area.
The previous design of the railroad crossing consisted of an elevated greenway. Redesign
of the greenway beneath the Norfolk Southern Railroad bridge is needed to protect the
bridge structure. A combination greenway floor/retaining wall structure will protect the
existing bridge structure. The floor will serve as the greenway trail, while the retaining

wall will allow restabilizing the embankment beneath the bridge. The project designers
have contacted Norfolk Southern Railroad requesting a change in design, which will
provide additional flow area for all storm events when runoff creates flow above the
bankfull capacity of Walnut Creek. The current design removes flow area from beneath
the bridge during significant storm events. This additional flow area will result in reduced
velocities under the bridge, thus minimizing the affects of the storm event and protecting
the railroad's steel pile system that supports the existing bridge. The conceptual design is
shown in the figure below.
Existing Steel Piles or Columns
Roof
Original and Retaining Wall
Reconstructed Slope
Fence
Additional
Area for
Flow
Greenway Floor
USEPA/NCDWM Clean-up Site:
Figure 2.4 provides aerial photography of the clean-up site during 2005 (prior to clean-
up) and 2006 (during clean-up). There is a good deal of instability at the site today, as
illustrated in the photographs provided. Photo 1 endeavors to show two culverts that
were installed in a stream channel under the access road. Only the very top of one of the
two culverts remains visible under accumulated sediment. Photo 2 is looking north along
the now abandoned access road, and up a new stormwater channel that is beginning to be
cut across the site and possibly now contributing to erosion of the cap. Sediment in this
channel is greater than one foot deep. Photo 3 is further up the new stormwater channel,
also looking north, and illustrates the fill material that has impacted this property. The
adjacent floodplain previously contained many rivuets and wetland pockets, which have
now been filled in with sediment deposits from backed up stormwater. Photo 4 was taken
downstream of what was previously just a stormwater channel, showing the area cap on
the left. Water being backed up from what was the stream because of failing culverts to
the north is now flowing further south and eroding under the soil cap placed over the site
as part of clean-up activities.

The project team has initiated contact with USEPA and is coordinating to have more
appropriately sized culverts replaced (or existing culverts removed) to restore flow to the
original stream channel. The success of the site's cleanup depends on properly managing
water that currently threatens its integrity. Once the stream flows are stabilized, the area
is expected to revert to its pre-existing condition. The access road may be retained for
future use by US EPA to access the site (negotiations with US EPA are currently
ongoing). This access road enabled greenway project designers to avoid the majority of
wetland areas and additional forest clearing in this vicinity, by crossing over onto the
existing access road and follow it south to the Walnut Creek greenway. No stream
crossings are proposed in this location, which should enable US EPA to restore their
impact area without compromising this project.
PCN EXPLANATIONS:
Item IV. Prior Project History
The overall project received permit approval from both USACE and NCDWQ in January
2005. The permit effective date was January 31, 2005 (USACE Action ID 20042 1 1 86;
NC DWQ Project No. 04-838) and the majority of the project has been completed. This
application is being submitted as an amendment to the original project. A one-year
extension was granted to project owners after a request to USACE in September 2006.
The existing permit extension will expire on March 18, 2008.
A site visit with the USACE was conducted on 3 July 2007, and impact areas identified
during that visit are included in Attachment E. The NC DWQ site visit was conducted
with Ms. Amy Chapman on June 7, 2007. Proposed impacts have changed as described
below.
•Original wetland impacts (boardwalk through forested wetland) permitted within
amendment area: 0.286 acre
•Revised wetland impacts (paved trail through disturbed corridor) proposed within
amendment area: 0.164 acre
•Original stream impacts permitted within amendment area: three crossings, total of 32
linear feet.
•Revised stream impacts proposed within amendment area: three crossings, total of 60
linear feet.
•Original buffer impacts permitted within amendment area: Zone I - 0.51 acre, Zone II -
0.6 acre.
•Revised buffer impacts proposed within amendment area: Zone I - 0.16 acre, Zone II -
0.44 acre.
Item VI.1. Written Description of Proposed Impacts
The proposed greenway will be constructed of asphalt (ten feet wide) and have two feet
gravel shoulders on either side. The portion of trail passing under the Norfolk Southern

Railroad (Impact Figure 3) will be constructed of concrete and include a nearly ten feet
wide path and landward retaining wall.
With the exception of Stream crossing 1 (Impact figure 3), the spur alignment to Lake
Wheeler Road and the Farmer's Market (Impact figure 2), and the westernmost area
where the main trail terminates at Lake Wheeler Road (Impact figure 1), the revised path
will be constructed entirely within existing sanitary sewer easement.
Stream crossings will be accomplished by installing culverts, 20 feet in length, each
buried to 20 percent of their width in the streambed at each of the three proposed stream
crossings (Impact Figures 3, 4, and 6). A single 48-inch culvert is proposed for stream
crossing 1 (Impact Figure 3), dua136-inch culverts are proposed for stream crossing 2
(Impact Figure 4), and a single 36-inch culvert is proposed for stream crossing 3 (Impact
Figure 6). A paved trail will then be used to cross the stream channels.
Wetland crossings will be accomplished by filling and paving. Project designers have
incorporated 18-inch culverts in wetland areas to facilitate the natural movements of
water in these areas. The culverts will be spaced 40-60 feet apart.
Item VII. Impact Justification (Avoidance and Minimization)
The proposed revisions will reduce the area of wetlands impacted by .122 acre, and
riparian buffers by 0.51 acre (Zone I impacts reduced by .35 acre and Zone II impacts
reduced by .16 acre). Although the type of wetland impact has changed (fill in disturbed
corridor vs. clearing forested wetlands to install boardwalk), the relocation of the
alignment into previously disturbed areas is considered minimization of impacts. Stream
impacts have increased by 281inear feet (32 feet currently permitted for these crossings)
because of the removal of proposed boardwalk crossings that were permitted previously
as having no impact. Use of culverts better facilitates vehicles used by the City's Public
Utilities Department during periodic inspection of its major sewer interceptors in this
area.
The City of Raleigh Public Utilities Department (CORPUD) discourages the use of
boardwalk in their sewer easements because of access and maintenance requirements of
those lines. To minimize wetland impacts and comply with CORPUD guidelines, the
previous project alignment utilized boardwalk outside the existing easement. The
corridor that would have been cleared through hardwood forests required impacting 1.51
acre of Walnut Creek's floodplain forests. Because of construction vehicle mobility
constraints over boardwalk and wetland areas, an access road was also proposed and
extended from Wetland CD (Impact figure 4) north to Maywood Road. This road would
have impacted 0.19 acre of wetlands, and required the clearing of an additiona10.28 acre
of bottomland hardwood forests.
The reduction in wetland areas described in the introduction portion of this letter has
enabled project designers to pursue asphalt pavement along the entire alignment (with the
exception of concrete needed at the Norfolk Southern Railroad crossing). This change
has reduced impacts to both forested wetlands and adjacent non-wetland forests and

enables greenway construction contractors to access the entire alignment from either end,
rather than cutting a new access road from the north.. Culverts have been proposed at
each of the three stream crossings that will be buried to 20 percent of their depth in the
streambed to facilitate the natural movements of water and aquatic fauna. A .single 48-
inch culvert is proposed for stream crossing 1 (Impact Figure 3), dua136-inch culverts are
proposed for stream crossing 2 (Impact Figure 4), and a single 36-inch culvert is
proposed for stream crossing 3 (Impact Figure 6). The culverts are necessary to enable
construction vehicle access to the entire trail, eliminate the previously proposed access
road between Walnut Creek and Maywood Avenue, and facilitate vehicular access along
the entire route.
The currently proposed project will also enable the CORPUD to access the sanitary sewer
for normal inspection and future maintenance with minimal impacts to adjacent wetland,
stream, and riparian buffer areas.
Item VIII.I. Brief Explanation of Mitigation Plan
Mitigation for the project will consist of adherence to the regional and general conditions
set forth in the existing permit application, and payment to the North Carolina Ecosystem
Enhancement Program's In-Lieu Fee Program at a 2:1 ratio. Mitigation requested, after
applying the 2:1 multiplier, is .332 acre of riparian wetlands and 1201inear feet of
streams. EEP's acceptance letter is included in Attachment C.
Item XI. Brief Description of Stormwater Controls
Stormwater controls will be provided in the form of adherence with regional and general
conditions attached to the existing permit. Also, project designers have been
coordinating with RJG&A to design wetland culverts to mimic pre-existing drainage
directions. Wetland CC (Impact Figure 2) drains naturally to the southeast, and culverts
will be installed with slight sloping (I/8 inch per foot) to preserve this flow direction. All
remaining wetland areas, especially those east of the Norfolk Southern Railroad crossing,
drain north into their floodplains and are ultimately discharged to Walnut Creek via
unnamed tributary streams. Each of these wetlands will incorporate culverts that direct
water north into larger wetland areas, rather than be directed toward Walnut Creek. None
of the proposed culverts will discharge directly to Walnut Creek, and all will be located
so that existing wetland connections with the creek are maintained. Each wetland culvert
will be 18 inches in diameter and sloped at 1/8th inch per foot of pipe.

Attachment A
Figure l: Overall Location Map
Figure 2.1: Location of Beaverdam Breach and Hydrologic Changes Since
Figure 2.2: March 2004 and May 2007 photos of Railroad Crossing
Figure 2.3: Pre- and Post-Alberto Surface Contours at Railroad Crossing
Figure 2.4: Pre- and Post- USEPA/NCDWM Clean-up Site
Impact Figures 1-6

Attachment S
Wetland Determination Data Forms

DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Determination Manual)
Project /Site: Walnut Creek Greenwav Trail.- Lake Wheeler Road to S. Saunders Date: 21-24 May 07
Applicant /Owner: City of Raleigh Parks and Recreation Department County: -Wake

Investigator: Christopher D. Hopper, Robert J. Goldstein 13< Assoc. Inc. -
State: NC
Do normal circumstances exist on the site? Yes X No Community ID:Marsh
Is the site significantly disturbed (Atypical situation)? Yes No X Transect ID: Wtl CA
Is the area a potential problem area? Yes No X Plot ID:
(explain on reverse if needed)
VEGETATION
Dominant Plant Soecies Stratum Indicator Dominant Plant Species Stratum Indicator
1. Juncas effusus Herb FACW+ 9.
2. Carex lurida Herb OBL 10.
3. Polygonum sagittatum Herb OBL 11.
4. Microstesium viminium Herb FAC+ 12.
5. Hibiscus moscheutos H/S OBL 13.
6. Arundinaria ~igantea Herb FACW 14.
7. 15.
8. 16.
Percent of Dominant Species that are OBL, FACW, or FAC excluding FAC-). 100
Remarks: Wetland Vegetation Present Based Upon Greater than 50% of the Plant Species are Classified as
FAC-OBL in the National List of Plant Species that Occur in Wetlands.
* Herb/Shrub community maintained by mowing in sewer ROW.
HYDROLOGY
Recorded Data (Describe In Remarks): Wetland Hydrology Indicators
Stream, Lake, or Tide Gauge
Aerial Photographs Primary Indicators:
Other Inundated
Saturated in Upper 12"
_ No Recorded Data Available water Marks
Drift Lines
Field Observations: Sediment Deposits
x Drainage Patterns in Wetlands
Depth of Surface Water: (in.) Secondary Indicators:

Depth to Free Water in Pit: (in.) Oxidized Roots Channels in Upper 12"
Water-Stained Leaves
Local Soil Survey Data
Depth to Saturated Soil: 8 (in.) FAC-Neutral Test
Other (Explain in Remarks)
Remarks: Depression / compaction wetland inside sanitary sewer right-of--way.

SOILS
Map Unit Name
(Series and Phase): Chewacla Drainage Class: Poor
Taxonomy (Subgroup): Aauic Fluventic Dystrochrepts Confirm Mapped Type? Yes No
Profile Descriation:
Depth Matrix Colors Mottle Colors Mottle Texture, Concretions,
(inchesl Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, etc.
10 lOYR 4/1 l OYR 4/6 15%
Hydric Soil Indicators:
Histosol _ Concretions
Histic Epipedon High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor Organic Streaking in Sandy Soils
Aquic Moisture Regime Listed On Local Hydric Soils List
Reducing Conditions Listed on National Hydric Soils List
X Gleyed or Low-Chroma Colors Other (Explain in Remarks)
Remarks:
WETLAND DETERMINATION
Hydrophytic Vegetation Present? Yes X No Is the Sampling Point
Wetland Hydrology Present? Yes X No Within a Wetland? Yes X No
Hydric Soils Present? Yes X No
Remarks: Location is classified as a wetland based upon the criteria set forth in the 1987 Army Corps of
Engineers Wetlands Delineation Manual.

DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Determination Manual)
Project /Site: Walnut Creek Greenway Trail -Lake Wheeler Road to S Saunders Date: 21-24 May 07
Applicant /Owner: City of Raleigh Parks and Recreation Department County:
Wake
Investigator: Christopher D. Hopper, Robert J. Goldstein 8~ Assoc. Inc. -
State: NC
Do normal circumstances exist on the site? Yes X No Community ID:Marsh
Is the site significantly disturbed (Atypical situation)? Yes No X Transect : Wtl CB,
Is the area a potential problem area? Yes ivo X CD, CE, CF, CH
(explain on reverse if needed) Plot ID:
VEGETATION
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Betula nigra Tree FACW 9. Acer rubrum Shrub FAC
2. Uhnus americana Tree FACW 10. Boehmeria cylindrica Herb FACW+
3. Acer rubrum Tree FAC 11. Microstegium viminium Herb FAC+
4. Quercus phellos Tree FACW- 12. Juncas effusus ~ Herb FACW+
5. Liquidambar styraciflua Tree FAC+ 13. Loco us virginicus Herb OBL
6. Ligustrum sinense Shrub FAC 14. Toxicodendron radicans Vine FAC
7. Betula nigra Shrub FACW 15. Vitis aestivalis Vine FAC-
8. Sambucus canadensis Shrub FACW 16.
Percent of Dominant Species that are OBL, FACW, or FAC excluding FAC-). 93
Remarks: Wetland Vegetation Present Based Upon Greater than 50% of the Plant Species are Classified as
FAC-OBL in the National List of Plant Species that Occur in Wetlands.
* Herb/Shrub community maintained by mowing in sewer ROW, bounded by bottomland hardwood swamp forest.
HYDROLOGY
_ Recorded Data (Describe In Remarks): Wetland Hydrology Indicators
_ Stream, Lake, or Tide Gauge
_ Aerial Photographs Primary Indicators:
Other Inundated
x Saturated in Upper 12"
No Recorded Data Available Water Marks
_ Drift Lines
Field Observations: Sediment Deposits
x Drainage Patterns in Wetlands
Depth of Surface Water: (in.) Secondary Indicators:

Depth to Free Water in Pit: (in.) Oxidized Roots Channels in Upper 12"
x Water-Stained Leaves
Local Soil Survey Data
Depth to Saturated Soil: 0- 8 (in.) x FAC-Neutral Test
Other (Explain in Remarks)
Remarks: Depression / compaction wetland inside sanitary sewer right-of--way, bounded by unaltered bottomland
hardwood forests. Wetland CB has direct connection to Walnut Creek - CD, CE, and CF are contiguous with
beaver swamps to north and are in fact all different portions of the same larger wetland complex -all connect with
Walnut Creek via discharge through Wetland CF.

SOILS
Map Unit Name
(Series and Phase): Chewacla Drainage Class: Poor
Taxonomy (Subgroup): Aquic Fluventic Dystrochrepts Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Colors Mottle Colors Mottle Texture, Concretions,
Iinchesl Horizon (Munsell Moistl (Munsell Moistl Abundance/Contrast Structure. etc.
10 2.SY 4/1 2.SY 4/4 5%
Hydric Soil Indicators:
_ Histosol _ Concretions
Histic Epipedon _ High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor Organic Streaking in Sandy Soils
_Aquic Moisture Regime Listed On Local Hydric Soils List
-Reducing Conditions Listed on National Hydric Soils List
x Gleyed or Low-Chroma Colors _ Other (Explain in Remarks)
Remarks: Wetlands CB and CD have water ponded in portions at the surface -nearly two weeks after most
recent precipitation event. Wetland CE and CF are saturated in upper 12. Recent removal of beaver dams on larger
wetland have reduced local soil saturation.
WETLAND DETERMINATION
Hydrophytic Vegetation Present? Yes X No Is the Sampling Point
Wetland Hydrology Present? Yes X No Within a Wetland? Yes X No
Hydric Soils Present? Yes X No
Remarks: Location is classified as a wetland based upon the criteria set forth in the 1987 Army Corps of
Engineers Wetlands Delineation Manual.

DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Determination Manual)
Project /Site: Walnut Creek Greenwav Trail -Lake Wheeler Road to S Saunders Date: 21-24 May 07
Applicant /Owner: City of Raleigh Parks and Recreation Department County:
Wake
Investigator: Christopher D. Hopper, Robert J. Goldstein ~ Assoc. Inc. -
State: NC
Do normal circumstances exist on the site? Yes X No Community ID: Swamp
Is the site significantly disturbed (Atypical situation)? Yes X No Transect : WTL CCCC
Is the area a potential problem area? Yes No X Plot ID:
(explain on reverse if needed)
VEGETATION
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Betula nigra Tree FACW 9. Acer rubnun Shrub FAC
2. Ulmus americana Tree FACW 10. Boehmeria cylindrica Herb FACW+
3. Acer rubrum Tree FAC 11. Microstegium viminium Herb FAC+
4. Ouercus nhellos Tree FACW- 12. Juncas effusus Herb FACW+
5. Liquidambar styraciflua Tree FAC+ 13. Leo us virginicus Herb OBL
6. Ligustrum sinense Shrub FAC 14. Toxieodendron radicans Vine FAC
7. Betula nigra Shrub FACW 15. Vitis aestivalis Vine FAC-
8. Sambucus canadensis Shrub FACW 16.
Percent of Dominant Species that are OBL, FACW, or FAC excluding FAC-). 93
Remarks: Wetland Vegetation Present Based Upon Greater than 50% of the Plant Species are Classified as
FAC-OBL in the National List of Plant Species that Occur in Wetlands.
* Herb/Shrub community maintained by mowing in sewer ROW, bounded by bottomland hardwood swamp forest.
HYDROLOGY
Recorded Data (Describe In Remarks): Wetland Hydrology Indicators
Stream, Lake, or Tide Gauge
Aerial Photographs Primary Indicators:
Other Inundated
x Saturated in Upper 12"
- No Recorded Data Available Water Marks
Drift Lines
Field Observations: Sediment Deposits
x Drainage Patterns in Wetlands
Depth of Surface Water: (in~) Secondary Indicators:

Depth to Free Water in Pit: (in.) Oxidized Roots Channels in Upper 12"
x Water-Stained Leaves

Depth to Saturated Soil: 0- 8 (in.) Local Soil Survey Data
x FAC-Neutral Test
Other (Explain in Remarks)
Remarks: Recent USEPA and NCDWM clean-up of a contaminated site in this area have significantly impacted
local hydrology. This wetland was previously much larger in size -braided drainage channels on the adjacent
floodplain have been silted over and no longer qualify as 404 wetlands.

SOILS
Map Unit Name
(Series and Phase): Altivista fine sandy loam
Drainage Class: Moderately well
Taxonomy (Subgroup): Aquic Hapludults Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Colors Mottle Colors Mottle Texture, Concretions,
finches) Horizon IMunsell Moist) (Munsell Moist) Abundance/Contrast Structure, etc.
10 2.SY 4/1 2.SY 4/4 5%
Hydric Soil Indicators:
Histosol Concretions
_ Histic Epipedon High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor Organic Streaking in Sandy Soils
_Aquic Moisture Regime Listed On Local Hydric Soils List
_Reducing Conditions Listed on National Hydric Soils List
x Gleyed or Low-Chroma Colors Other (Explain in Remarks)
Remarks: Soils are complex in this wetland. Up to half of samples taken are representative of past land uses - a
fertilizer/phosphate processing facility now contaminated with arsenic and lead. The questionable soil samples are a
maroonish-colored saturated sand. Extents of qualifying munsell colors were delineated.
WETLAND DETERMINATION
Hydrophytic Vegetation Present? Yes X No Is the Sampling Point
Wetland Hydrology Present? Yes X No Within a Wetland? Yes X No
Hydric Soils Present? Yes X No
Remarks: Location is classified as a wetland based upon the criteria set forth in the 1987 Army Corps of
Engineers Wetlands Delineation Manual.

DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Determination Manual)
Project /Site: Walnut Creek Greenwav Trail -Lake Wheeler Road to S. Saunders Date: 21-24 May 07
Applicant /Owner: City of Raleigh Parks and Recreation Department County: -Wake-
Investigator: Christopher D. Hopper, Robert J. Goldstein ~ Assoc. Inc. State: NC
Do normal circumstances exist on the site? Yes X No Community ID: Upland
Is the site significantly disturbed (Atypical situation)? Yes No X Transect : WTL CA,
Is the area a potential problem area? Yes No X CB, CC, CD, CE, CF,
(explain on reverse if needed) CG, CH
Plot ID: UPLANDS
VEGETATION
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Ulmusamericanus T/S FACW 9. Arimdinariagigantea Herb FACW
2. Liquidambar styraciflua T/S FAC+ 10. Juncus effusus Herb FACW+
3. Platanus occidentalis Tree FACW- 11. Boehmeria cylindrica Herb FACW+
4. Fraxinus pennsylvanica T/S FACW 12. Impatiens capensis Herb FACW
5. Carpinus caroliniana T/S FAC 13. Vitis labrusca Vine FAC+
6. Liriodendron tulipifera T/S FAC 14. Toxicodendron radicans Vine FAC
7. Rubus argutus Shrub FACU+ 15.
8. Dioscorea batatas Herb FAC 16.
Percent of Dominant Species that are OBL, FACW, or FAC excluding FAC-). 93
Remarks: Wetland Vegetation Present Based Upon Greater than 50% of the Plant Species are Classified as
FAC-OBL in the National List of Plant Species that Occur in Wetlands.
* Vegetation community of adjacent non-wetland forests -community type is present adjacent to all wetl and areas
along this reach of Walnut Creeek.
HYDROLOGY
_ Recorded Data (Describe In Remarks): Wetland Hydrology Indicators
_ Stream, Lake, or Tide Gauge
Aerial Photographs Primary Indicators:
Other Inundated
Saturated in Upper 12"
No Recorded Data Available Water Marks
Drift Lines
Field Observations: Sediment Deposits
,Drainage Patterns in Wetlands
Depth of Surface Water: (in.) Secondary Indicators:
Oxidized Roots Channels in Upper 12"
Depth to Free Water in Pit: (in.) Water-Stained Leaves
Local Soil Survey Data
Depth to Saturated Soil: >12 (in.) _____ FAC-Neutral Test
Other (Explain in Remarks)
Remarks: -

SOILS
Map Unit Name
(Series and Phase): Chewacla Drainage Class: Poor
Taxonomy (Subgroup): Aquic Fluventic Dystrochrepts Confirm Mapped Type? Yes No
Profile Description:
Depth Matrix Colors Mottle Colors Mottle Texture, Concretions,
(inches) Horizon (Munsell Moistl (Munsell Moist) Abundance/Contrast Structure, etc.
10 lOYR 4/2
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor Organic Streaking in Sandy Soils
_Aquic Moisture Regime Listed On Local Hydric Soils List
-Reducing Conditions Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors Other (Explain in Remarks)
Remarks:
WETLAND DETERMINATION
Hydrophytic Vegetation Present? Yes X No Is the Sampling Point
Wetland Hydrology Present? Yes No X Within a Wetland? Yes_ No X
Hydric Soils Present? Yes No X
_-
emar s: Locations are not classified as a wetland based upon the criteria set forth in the 1987 Army Corps
of Engineers Wetlands Delineation Manual.

Attachment C
Previous Permit Approval Letters
Agent Authorization Letter
NC EEP ILF Program Acceptance Letter

U.S. ARMY CORPS OF ENGINEERS -
WII,MINGTON DISTRICT
Action ID: 200421186 County: Wake
GENERAL PERMIT {REGIONAL AND NATIONWIDE} VERIFICATION
Property Owner: City o€ Raleigh - Fark & Recreation Department
Attie. Vic Lebsaek
Mailing Address: P 4 Bn~ S90 .
- _ Raleigh, l~arth Carnina 246U2 . Telephone Na.: {919) 890-3285
Atatharzed Agent: Robert J. Golds#ein & Associates, Inc. ,
Attn• Sean Peffer
Mailing Address: 8480 Garrey Drive .
Raleigh, North Carolina 27516 Telephone Na.: (91:9) 872-1174
Location of property {road name/number, town, etc.): The proposed greenway trail begins an the east side 4f Lake
Wheeler Koad (SR 1009), runs generally east along Walnut Creek, and terminates on the west'side of Garner Road
(SR 1004) in Raleigh, Wale County, Forth Carolina.
Site Coordinates: 35.7588865 °N '78.6607322 °W USGS Quid: RaIelgh West
- . Waterway: Walnut Creek River Basin: Meuse ~IUC: 0302(1241
Dascriptan of projects area and activity {see page-2 for a summary of authorized impacts}: This peruift authorizes ° •
placement of fill material. to construct an asphalt/board~i~alk green~vay trail..
Applicable Law: ~ Section 4fl4 {Clean Water Act, 33 USC 1344)
. ^ Section 10 {Rivers and harbors Act, 33 USC 403)
Authori~tian: Nationwide or Regional General Permit Number(s): 14~ ~ ~ -
Xour worksauthorized by the above referenced permit provided it is accomplished in strict accordance with the attached
conditions and your submitted plans. Any violation of the attached conditions or deviation from your subnutted plans may subjectthe
permittee to a stop work order, a restoration order and/or appropriate legal action.
This verification will remain valid until the expiration date identified below unless the nationwide authorization is modified,;
suspended or revoked. If, prior to the expiration date identified below, the nationwide pern~it authorization is reissued and/or
modified, this verification will remain valid until the expiration date identified below, provided it complies with all requirements a~
the modified nationwide pernnit. If the nationwide permit authorization expires or is suspended, revoked, or is modified,, such that the.
`activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are '
under construction) or arc under contract to commence in reliance upon the nationwide permit, will remain authorized.provided tlie'
activity is completed within rivelve months of the date of the nationwide permit's expiration, modification or revocation, unless-
discretionary authority lras been exercised on a case-by-case basis to modify, suspend or revoke the authorization..
Activities, subject to Section 404 (as indicated above) may also require an indtvidual Section 401 Water duality Certification. Yon
'should contact (tie NC Divisio~r of ~~rater Quality (telephone [phone]~t5) to deternune Section 401 requirements.
For activities occurring within the twenty coastal counties srrbjcGt to reguiation under.the Coastal Area, Management .4ct (CA~1~,),
prit~r to begiruring work you must contact the iti.C. Division of Coastal ~~4anagement .
This Deparnnent of the Army verification does not relieve the permitter of the responsib0.ity to obtain any other required Federal
State or local approvals/permits. ~ , ,
. " - If there ors a~questions regarding this verification; any-of the conditions of the Perrt~t, orthe,Gorps of Ettgin~rs regulatory .
pragran~ please contact Jennifer Burdetteat telephone [phone], eat 22. - • _ '
- ,
Corps Regulatory Clffical (~c~ ,~~~ Date: Ol/31J2~U5 Verification Expiration late: Ul137t2007
dopy l;urnislred:
. !*s-~e.1 of`2, .

:Determination. ofJursdiction:
Based on preliminary information, there appear to be waters. of the US including wetlands within the above describedi project area..
This. prelinunary determination is not an :appealable action under the Regulatory Program Administrative Appeal Process-
('Reference 33 CPR. Part 331).
^ There are Navigable Waters of the United States «ithin the above. described project area .subject to the permit requirements of
Section to of the Rivers and. Harbors Act and section 4t}4 of the Clean Wafer Act.. Unless there is a change in the Iaw or our
published regulations, this detemunation maybe relied upon for a period not to exceed five years from the date of this.
notification.
There are waters of the US andfor wetlands within the above described project area subject to the`permirrequirements of Section
404 of the Clean Water Act: (CWA)(33 USC § 1344}. Unless there is a change. in the law or our published. regulations, this
determination. may be relied upon for a period not to exceed five years from the date of this notification.
The j urisdietonal areas within tho above described project. area. have been identified under a previous action. PIease reference the
jurisdictional determination issued on (Action lD; ).
Basis of Jurisdictional-Determination: Areas crossed by the proposed;greeaFVay exhibit ~vetlgnd criteria as described in the 1987
Corps «'etland Delineation Manual and are adjacent to Walnut Creek and. uilnan~ed #ributaries to ~~~alnut Creek. The'
proposed greenwa~~ also crosses stream channels that exhibit an Ordinary Nigh ~~'ater Mark as indicated`bv changes lit soil
character andabsence or terrestrial vegetation and are h~drologicallJ= connected to d~'alnut Creek, a trlbatary= of tlte-Ir'euse
River.
Corps Regulatory Official t~~,c~~ Date: O1/3I/2pQS Determination. Expiration Date:
tiumrnart=r-fAnthorixerl'Irr~nncts n»d I2er{n~red M~t~uatinte
ActiottIl? NWP / rsP U en Water ac Wetland ac) Unim octant Steam I In octant Stream
# Temporary .Permanent Temporary ,Permanent Temporary Permanent Temporary Permanent
240421186 . ' 14 U.36 .

Im act Totals 0 Q . 0 0.36 ~ 0 ~ t) 0
~ - 4
Total Loss of Waters of the U.S_ (ac) 0.3G Total Loss of Waters of the U.S. (1 ~
` 0.
Re~ uired Wetland Mitigation (ac) ~ 0, Required Stream Mti ation (I 0
Additional Remarks andior Special Permit Conditions:
Please note that the total wetland i-npact ^f 0.36 acre consists of t}.30' acre for asphalt trail construction and A,OG
acre far construction c-f board~vatk posts, -
Yage 2 ctf 2 ,

?4~ ~A~~9
~Q i'i
(~ '~'.
Ivtichaei F.,lEasley, Governor
wiIliam C3. Ross Jr., Secretary.
North Carolina Uegartment pf Enviraimeut and Natural Resources
Atan W. Klimek, P.E: Director
I}ivisan of Water Quality
January 12, 2005
DWQ Project # 04-0838
Wake County
Page 1 of 3
City of Raleigh.
Parks & Recreation Department
Attn: Mr, Vic Lebsock
P.O. Box 5.90
Raleigh, NC 27602
Subject Property. Walnut Creek Greenway Trail Additions & Extensions
Lake Wheeler Road to Garner Road, Raleigh, NC
shut Creek [03-04-02, 27-34-(4), C NSW]
Approval of 441 Water Quality Certification and Authorization Certificate per the Neuse River
Buffer Protection Rules.{15A NCAG 2B .0233 with Additional Conditions
Dear Mr. I,ebsock:
You have our approval, in accordance with the attached conditions and those listed below, to place fill
within or otherwise fill 0.30 acres of wetlands, boardwalk over 0.57 acres of wetlands and impact 2.62
acres (or approximately 114,127 square feet (ft2)) of protected riparian buffers for the purpose of
constructing a greenway trail at the subject property, as described within your apllication dated May 14,
2004 and additional information received by the N.C. Division of Water Quality (DWQ) on December 20,
2004. After reviewing your application, we have decided that the impacts are covered by General Water
Quality Certification Number(s) 3404 (GC3404). The Certification(s) allows you to use Nationwide
Permit(s) 14 when issued by the US Army Corps of Engineers (USAGE). This letter shall also act as
your approved Authorization Certificate for impacts to the protected riparian buffers per 15A NCAC'2B
.0233. Tn 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
ar to conduct impacts to waters as depicted in your application shall expire upon expiration of the
.404 Permit.
This approval is for the purpose and design that you described in your application. >f 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 ar I SO linear feet of stream, compensatory mitigation may be regal.red as described in l5A
NCAC 2H A506 (h). This approval requires you to follow the conditions_listed in the attached..
certification and any additional conditions listed below.
d0i over~ightlExpress Review unit ~ ~j~
'f650 faail Service Censer, Raleigh, Nodh Caroi`wa 27699-1850
2321 Crabtree Boulevard, Suits 250, Raleigh, North Garo1¢ta 27604
Rhatte: 919.733-1786 l FAX 959-733&$3 ! Iatiatnet: htipJLh~o.ery~r slafe.nc.usltxx~~l~ds;
An ~Wrtlewirl~afN~d4~lrmdfiva Anfievi Frtar~FNf~. Rnr~rLul!'ltl9i, Pnaf f`.rm~ixwirAArusr

City of Raleigh
Page 2 of 3
January 12 20(35
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 Certi#-icatian are rnet. Na other impacts are approved including
incidental impacts:
Amount Approved.
{Units) Plan Location or Reference
444 Wetlands. 0.34 (acres} ..avert>txail
404 Wetlands 0.57 (acres} boardwalk
Buffers 114,127 (s uare 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 c~zder to protect surface waters standards::
a. The erosion.and sedirneni control measures for the project must be designed, installed,
operated, and maintained in accordance with the most recent version of the North Carolina
Sediment Qtid Erosion Control Planning and Design Manr~al.
b, The design, installation, operation, and maintenance of the sediment aiid erosion control
measures trust be such that they equal, or exceed, the requirements specified in the most
:recent versign of the North Carolina Sediment acrd 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,
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 erasion control Best Management Practices, shall be perfozmed
so that no violations of state water quality standards, statutes, or rules occur.
4: Nc~ Sediment & Erosion Control Measures w/n Wetlands or Waters -Sediment and erosion
cantroI measures shall not be placed in wetlands or waters to the maximum extent practicable.
``--~ placement of sediment and erosion control devices in weiiands 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..
S. Protective Fencing -The outside buffer, wetland or water boundary and along the construction
corridor within these boundaries approved under this authorization shall be clearly marked with
orange warning fencing (ar similar high visibility material) for the areas that have been approved
to infringe within the buffer, wetland or water prior to any land disturbing activities to ensure
compliance with 15A NCAC 2B .233 and GC 3404.
6: 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
regtired tp return the attached certificate of completion to the 40l/Wetlands Unit, North Carolina.
Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-165U,
7. Plans -This authorization applies-to the construction plans received by the Division of Water
Quality on December 20, 2004 and sealed. by Ralph: Troutman, P.E. on December 17, 2004.

City of Raleigh
Page 3 of 3
ranuary 22, 2005
Violations of any condition herein setforth may result in revocation of'this Certification and may result in
criminal and/or civil penalties.: The authorization to proceed with your proposed impacts ar to conduct
impacts to waters as depicted izi your application and as authorized by this Certification, shall expire upon
expiration. of the 4{}4'ar CAMA Permit:,
1f you do not accept any of the conditions of this Certification {associated with the approved: wetland ar
stream inapaets), 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 af:Adzninistrative Hearitzgs,_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 aver 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 pz'avded in Articles 3 and 4 of G.S. 150B.
This letter cozrfpletes fhe review of the Divzsion of Water Quality under Sectioza. 40.1 of the Glean Water
Act and the Neuse riparian buffer protection rule as described within 15A NCAC 2B .0233. If you have
any+questions, please telephone. Jahn lJorney or Cyndi Karoly at 919-733-.1.786..
AWI~/CBK/6z
Enclosures: GC 34D4
Certipzcate of Completion
Sincerely;
Alan W f£limelc, P.E.
-' cc: Sean Peffer, Goldstein & Associates, Inc., 8480 Garvey Drive, Raleigh,l'~C 2761E
USACE Raleigh Regulatory Field Office
DWG Raleigh Regional Office
File Copy
Central Files
Filename: 040838

~+~f 21! 1994 11:25 9S 9-87?-9214 P~rGE 02
G~ ~a,ido•~si~a~cG~QPe~o~~s Ana
~av~ornr~rrrat. co*tsv~r-r~rvrs
34E0 Ga»ay Grua S!rtcc l9t~S Tci;(91~}E21•t 17a «: tltpcrlatS?•;;xxu
ylaiah. ~torth Cau+~li!,a Z?6!6••3176 i•dX:t~11 ~Yl~ i .•~!2 i a
idr+eein 17t+--sorn ...~;;4!:~tc• w•+•» .r~µ,t =niim:~ tam
a - .
Agent Au,horizahun
TBis letter i9 intended W allow reQrege;-tatives of T~,obCt't i. Goldstein and Associates. Inc-
(Agetlt) to act or behalf of the clicnt~propcny owner whorl corresponding with the U.S. Anny
Corps. of Engisloers (USAGE). In order for the USAC`E to co7duct correspondence with n»
Agent on bchaJf v£ the propertty ot~~ler, the property cswncr must provide A sigxcd staterncnt
authori~ziog the acti•dty. kl~se have ~e property owner sign and dare ttis letter aril return a
copy to oux aff'iCe.
I, ~, sa~,.~ • ,grant representatives of Robert J. Gv;dsteir- and Associates,
Inc. the authority to act as my Agent when corresponding wfth the USAGE regarding the
property located at
i
ALOE Field 4frlce Loaatian
ACOE Field office County :tanager ~
Owners Signxtets~ Date
~`, ~
~ ~lr'G~.
Cc: Seen Pefftr~ ?tJGl~t,A
~ntnro~~nah/p1~ISJ<ia+r+en~s RBRViI0~11rR11!?i,b!tsifllJMltMltA:9 s.'~ris~dtrltolraf l~effe!!fl Daitnaatlaar •,EMlrcr~nrwf ~c~ir:r 5'•rnrj~c
GfSiGP~ldry,+pi+q~ sRettivntr's •itro~crcofogicol7 nad zex+,xj ~ tYgrer.gypyfr Profec7s •RM7 ,~lver~ Risk Ads+,}SMehfd •L~+kt hfrt,aa~;c•nrrr+r !lSrrr•r~</.rd
~ln+Nt$efMesl-lKStrsAm,r7ewAnslystd a"11~fll~ponA'mu •S;r~ICuro~-rex • iyr+r~ipQlsorAWnJ+eLn~lf~/rr ~Se~k~rfirrt;:
WirNt+.oltr 7'hCrtrncn! Plae11. tdd erd' ~O! l'c~nrt!J •Grnund~Xr: ;r !Idoniurrrnt ~siolag7Mf.trrMdlel+ltf ~ fxpprf Wt7msJ lint+nna;s

-~
j ~ ~~~tem ~
PROGRAM
July 12, 2007
Victor Lebsock
City of Raleigh Farks and Recreation Dept.
PO Box 590
Raleigh, NC 27G02
Project: Walnut Creek Greenway County: Wake
The purpose of this letter is to notify you that the North Carolina Ecosystem Enhancement Program (NCEEP) is willing to
accept payment for impacts associated with the above referenced project. Please note that this decision does not assure that
the payment will be approved by the permit issuing agencies as mitigation for project impacts. It is the responsibility of the
applicant to contact these agencies to determine if payment [o the NCEEP will be approved.
This acceptance is valid for six months from the date of this letter and is not transferable. If we have not received a copy of
the issued 404 Permit/40I Certification/CAMApermttwithin this time frame, this acceptance will expire. It is the
applicant's responsibility to send copies of the permits to NCEEP. Once NCEEP receives a copy of the permit(s) an invoice
will be issued based on the required mitigation in that permit and payment must be made prior to conducting the authorized
work. T'he amount of the In Lieu Fee to be paid to NCEEP by an applicant is calculated based upon the Fee Schedule and
policies listed at www.nceep.net.
Based on the information supplied by you the impacts that may require compensatory mitigation are summarized in the
followin table.
Neuse
03020201 Stream {feet) Wetlands {acres) Buffer I
{Sq. Ft.) Buffer II
(Sq. Ft.)
Cold Cool Warm Ri arian Non-Ri arian Coastal Marsh
Impacts 0 0 60 0.166 0 0 0 0
Credits 0 0 120 0.332. 0 0 0 0
Upon receipt of payment, EEP will take responsibility for providing the compensatory mitigation. If the regulatory agencies
require mitigation credits greater than indicated above, and the applicant wants NCEEP to be responsible for the additional
mitigation, the applicant witl need to submit a mitigation request to NCEEP for approval prior to permit issuance. The
mitigation will be performed in accordance with the Memorandum of Understanding between the N. C. Department of
Environment and Natural Resources and the U. S. Army Corps of Engineers dated November 4,199$.
If you have any questions or need additional information, please contact Kelly Williams at [phone].
cc: Cyndi Karoly, NCDWQ Wetlands/401 Unit
Jamie Shern, USACE-Raleigh (20042186)
Amy Chapman, NCDWQ- Wetlands/401 Unit (04-0838)
Chris Hopper, agent
File AA
~~L,
1~~~YGK~... ~ ~ ... PYOt~~ O!.l,Y State 1~CpE +IR
North Carolina Ecosystem Enhancement Program, 1652 Mail Service Center, Raleigh, NC 27699-1652 / 919-715-0476 / www.nceep.net

Attachment D
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