20041763 Ver 2_401 Application_20070831

^ ~ ^ Kimley-Horn
~ and Associates, Inc.
August 31, 2007
o ~ --17 ~ 3 v 2,
Mr. James Shern
U.S. Army Corps of Engineers
Raleigh Regulatory Field Office
6508 Falls of the Neuse Road
Suite 120
Raleigh, NC 27615
Ms. Cyndi Karoly
NC Division of Water Quality
2321 Crabtree Blvd.
Raleigh, North Carolina 27602
PAID
Re: Peakway Village -Phase 3, Wake County, North Carolina
Nationwide Permit #39 Application Submittal
Dear Mr. Shern and Ms. Karoly:
On behalf of Dr. Robert Seymour III, Kimley-Horn and Associates, Inc. is
submitting the enclosed Preconstruction Notification Application for
authorization to construct the above reference project under Nationwide Permit
Number 39. The following information is included as part of the application
submittal:
• Project Summary Sheet
• Preconstruction Notification Form
• Permit Figures (Appendix A)
• Site Photographs (Appendix B)
• Previous USACE/DWQ Permits (Appendix C)
• Agent Authorization Form (Appendix D)
• Stormwater Report (Appendix E)
If there is any additional information you need, please do not hesitate to contact
me at [phone].
Very truly yours,
KIMLEY-HORN AND ASSOCIATES, INC.
V OL/w' `
Todd J. Tugwell
Environmental Scientist
Enclosures
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AUG 3 1 1007
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P.0 Box 33068
Raleigh, North Carolina
27636-3068
Cc: Dr. Robert E. Seymour III
^
TEL [phone]
FAX [phone]

~ Kimley-Horn
^ ~ ^ and Associates, Irlc.
Project Summary Sheet
Project Name: Peakway Villa>;e -Phase 3
Applicant Name and Address: Dr. Robert E. Seymour lII
1173 Crabtree Crossing Parkway
Morrisville, NC 27560
Telephone Number: [phone]
Type of Request: ®Nationwide PCN (NWP # 39) ^ Individual Permit Application
^ Jurisdictional Determination ^ Other:
Included Attachments: ®Project Plans ®USGS Map ®NRCS Soil Survey
® Agent Authorization ^ Delineation Sketch ^ Delineation Survey
^ Data Forms (Up & Wet) ^ NCDWQ Stream Forms ^ USACE Stream Forms
^ NCEEP Confirmation ®Aerial Photo ®Site Photos
® Agency Correspondence ^ Other: ^ Other:
Check if applicable: ^ CAMA County ^ Trout County ^ Isolated Waters
^ Section 7, ESA ^ Section 106, NHPA ^ EFH
^ Mitigation Proposed (^ NC EEP ^ On-Site ^ Off-Site ^ Other)
County: Wake Nearest City/Town: Anex
Waterway: Beaver Creek
H.U.C.: 03030002
Property Size (acres): 1.73
Site Coordinates (in decimal degrees): 35.7363 °N
River Basin: Cape Fear
USGS Quad Name: Anex, NC
Approx. Size of Jurisdiction on Site (acres): 0.014
78.8698 °W
Project Location: The project site is located west of the town of Apex on the south side of Olive Chapel Road (SR1160)
annroximately 1 500 feet west of the intersection of Olive Chanel Road and US 55 in Apex, Wake County, North Carolina.
Site Description: The project site is currently cleared. The site is bordered to the north by Olive Chapel Road and by Anex
Peakway to the east. Peakway Village a single family residential subdivision, is located to the west and south of the site.
Impact Summary (if applicable): The proposed impacts include the Rlacement of fill material into 0.014 acres of wetland
(calculated as a linear feature 78 feet in length with an average width of 8 feet) associated with the construction of a driveway
and parking facilities
t
O
W W
tl
d Stream Channel
a
er
pen e
an Intermittent and/or Unimportant Perennial and/or Important
NWP (acres) (acres)
# A uatic Function A uatic Function
Tem Perm. Tem Perm.
Temp. Perm. Temp. Perm. If ac If ac If ac If Ac
39 0 0 0 0.014 0 0 0 0 0 0 0 0
Total 0 0 0 0.014 0 0 0 0 0 0 0 0
Total Permanent Impact to Waters of the U.S. (acres) 0.014
Kimley-Horn Contact: Todd Tugwell
^
P.O Box 33068
Raleigh, North Carolina
27636.3068
Direct Number: 919-677-2104
^
TEL [phone]
FAX [phone]

Office Use Only: `~ ~ Form Version March OS
USACE Action ID No. DWQ No. O ^C " ~ ~ l0 3
(1t any parttcular ttem is not appttcante to tnts project, ptease enter ivot tippucante or .,ivir~ .)
I. Processing
PAID
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 ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: Nationwide 39
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 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: ^
II. Applicant Information
1. Owner/Applicant Information
Name: Dr. Robert E. Seymour III
Mailing Address: 1173 Crabtree Crossing
Raleigh North Carolina 27560
Telephone Number: [phone] Fax Number:~919) 460-0849
E-mail Address: robsevmour3(a~hotmail.com
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: Todd Tugwell
Company Affiliation: Kimley--Horn and Associates, Inc.
Mailing Address: 3001 Weston Parkway
Carv North Carolina 27513
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: todd.tugwell(c~kimley-horn.com

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: Peakway Village -Phase 3
2. T.LP. Project Number or State Project Number (NCDOT Only): Not an NCDOT project
3. Property Identification Number (Tax PIN): 0732829856
4. Location
County: Wake Nearest Town: Apex
Subdivision name (include phase/lot number): Peakway Village
Directions to site (include road numbers/names, landmarks, etc.): The project site is located
west of the town of Apex on the south side of Olive Chapel Road (SR1160), approximately
1 500 feet west of the intersection of Olive Chapel Road and US 55 in Apex, Wake County,
North Carolina. A vicinity map is included as Figure 1.
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.)
6. Decimal Degrees (6 digits minimum): 35.7363 °N 78.8698 °W
7. Property size (acres): 1.73
8. Name of nearest receiving body of water: Beaver Creek
9. River Basin: Cape Fear
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.)
10. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: The project site is currently cleared. The site is bordered to
the north by Olive Chapel Road and by Apex Peakway to the east. Peakway_Village, a single
family residential subdivision is located to the west and south of the property. A temporary

sediment basin which was installed to capture sediment from the construction of the Apex
Peakway is currently located in the center of the site. A small linear wetland is located in
the northeast corner of the site which carries water from a culvert drained pond bed located
just to the west of the site. V~etation within the wetland systems consists of herbaceous
species and small shrubs. Photographs of the project site have been included for review in
Annendix B.
11. Describe the overall project in detail, including the type of equipment to be used: The overall
project includes the construction of a 21 600 square-foot commercial building with three
floors. Driveways and a parking lot with 83 spaces are proposed around the building.
Stormwater from the on-site impervious surfaces is proposed to drain to a bioretention area to
be built adjacent to the drained pond, with a discharge pipe and emergenc~pillway that
direct water to the drained pond bed. The existing drained pond, which is located just off-
site was previously put to use as a stormwater retention basin to treat water drainin fg rom
the surrounding residential subdivision. No Chan eg s are proposed to the drained pond.
12. Explain the purpose of the proposed work: The work is proposed to allow for commercial
development of the 1 73-acre parcel Fill within the wetland is required to allow vehicular
access to the site from Olive Chapel road to the north. The location of the entrance into the
lot was determined by the distance from Wei hag, intersections off Olive Chapel Road.
The entrance drive was curved away from wetlands as much as possible; however impacts to
the linear feature on-site were unavoidable.
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. The project site is part of a previous development called Peakway
Village. A PCN application was submitted for the residential portion of Peakway Villa eg_by Soil
& Environmental Consultants PA to the Corps and the DWQ Express Review Pro rag min
November 2004 requesting authorization for impacts to 0.2209 acres of wetland under
Nationwide Permit 18 and 39 (USACE AID 200420373 & 200520226, DWQ Express # 04-
1763). On November 12 DWQ requested additional information about the project, includm~
verification that the development either as a whole or within concentrated areas, will not exceed
30% imperviousness. S&EC responded on November 16 with the requested information,
including a written response that the project site would not exceed 30% imperviousness, which
included the projected development of the currentlyproposed site. Their response also included
a recalculation of the requested impacts which were reduced to 0.1909 acres. The 401 Water
Quality Certification was approved on November 23 2004 for 0.1909 acres of impact without
additional stormwater requirements. Verification for the use of Nationwide Permits 18 and 39
was provided on December 30 2004 for the on ig Wally requested 0.22 acres. An approved

jurisdictional determination for the currentlyproposed site was included with the permit
authorization. Copies of the previous ,permits and jurisdictional determination are included in
Appendix C
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.
This permit would result in fmal build-out within the Peakway Village Subdivision, and no
additional impacts to stream or wetlands would be required. Accordingly, no additional permit
requests are anticipated
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.
Provide a written description of the proposed impacts: The proposed impacts include
the placement of fill material into 0.014 acres of wetland (calculated as a linear feature 78
feet in length with an average width of 8 feet). Water that is currently discharge into the
wetland would be routed by culvert and discharged into the drained pond in the same
location as it is currently discharged. A driveway entrance is proposed to be constructed on
top of the proposed fill.
2. Individually list wetland impacts. Types of 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.
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.) (yes/no) (linear feet)
1 Earthen Fill Herbaceous No 300 0.014
Total Wetland Impact (acres)
3. List the total acreage (estimated) of all existing wetlands on the property: 0.014
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 Perennial or Average Impact Area of
Number Stream Name Type of Impact Intermittent? Stream Width Length Impact
(indicate on map) Before Impact (linear feet) (acres)
NA
Total Stream Impact (by length and acreage)
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
fill, excavation, dred in ,flooding, drainage, 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, Impact
(indicate on map) ocean, etc.) (acres)

NA
Total Open Water Impact (acres)
6. List the cumulative impact to all Waters of the U.S. resulting from the proiect:
Stream Impact (acres): NA
Wetland Impact (acres): 0.014
Open Water Impact (acres): NA
Total Im act to Waters of the U.S. (acres) 0.014
Total Stream Im act (linear feet): NA
7. Isolated Waters
Do any isolated waters exist on the property? ^ Yes ®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 USACE.
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.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
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 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. The project purpose is to allow
development of the site. The location of the driveway entrance along Olive Chapel Road is
limited by minimum distances from the existing, entrances to the east and west. As a result, the
driveway cannot be moved closer to the Apex Peakway. The driveway has been designed to
curve away from the wetlands at as tight a bend as possible to reduce the amount of fill within
wetlands but it is not possible to avoid all impacts.
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 January 15, 2002, 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 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, available at
http://h2o. enr.state.nc.us/ncwetlands/strmgide.html.
Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a

description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
Due to the minimal amount of impact to wetlands (624 square feet , no mitigation has been
proposed for the project. Additionally, we anticipate that the functions that will be lost by
the proposed impact will be replaced with the creation of the bioretention area. Even though
this area will not be jurisdictional, it will still provide additional functional uplift and help
protect to downstream wetlands and streams.
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://h2o.enr.state.nc.us/wtp/index.htm. 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):
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount ofNon-riparian wetland mitigation requested (acres):.
Amount of Coastal wetland mitigation requested (acres):
IX. Environmental Documentation (required by DWQ)
1. Does the project involve an expenditure of public (federaUstate/local) funds or the use of
public (federaUstate) land? Yes ^ 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 ^
3. 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
(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 ^ 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.
* Impact Required
Zone ,~~,.....o ~ e.~ Multiplier r,r...,..,+;~~
3 (2 for Catawba)
1.5
Total
* 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.
XI.
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.
Stormwater (required by DWQ)
Describe impervious acreage (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. If percent impervious surface exceeds 20%, please provide calculations
demonstrating total proposed impervious level. During a March 2, 2007 meeting with Mr. Ian
McMillan and Ms. Annette Lucas with DWQ, the proposed development was discussed with
regard to anticipated Stormwater requirements. An agreement was reached as to the eg neral
approach to dealing Stormwater on the proposed site (i.e., using a created bioretention area). The
existing site is currently cleared land with little vegetation and a temporary sediment basin (see
attached photos, . The proposed commercial site will not exceed 60% imperviousness. All
stormwater generated on site will be treated on-site through the creation of a bioretention area.
(See the attached stormwater plan). Stormwater generated upstream of the ~ro~osed site will be
bypassed via culverts and discharge in the existing drainage way at the toe of the slope.
Additionally, the wetland area immediatelydownstream of the site, which is located in a drained
pond bed, is currently used for Stormwater retention for the previously constructed residential
portion of the development. An existing bioretention area is located downstream of the pond
bed, which provides treatment for the existin d~pment.
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.
Wastewater generated by the development will be directed to the existin~Apex treatment facility
prior to discharge.

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 an after-the-fact permit application? Yes ^ No ^
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ^ No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with
the most recent North Carolina Division of Water Quality policy posted on our website at
http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description:
The proposed development is a relatively small, commercial development within an existing
residential subdivision. The site is located in a rapidly developing urban setting and is not
anticipated to generate additional development, but will be constructed in response to the
existing demand for office/commercial space.
XV. 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).
. 31
Applicant/Agi Si~ature ~ Date
(Agent's signature is valid on if an authorization letter from the applicant is provided.)

Appendix A -Permit Figures

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XVI. Vicinity Map
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Pl'Ojeet Peakway Village
Olive Chapel Road
_ Apcx, Wake County, North Carolina
KimleyHorn Date Project Number Figure
and Associates, Inc..
Aug. 31, 2007
012869000
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.VII. Aerial Photograph (2006)
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~ Apex, Wake County, North Carolina
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and Associates, Inc..
Aug. 31, 2007 012869000 2
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XVII USGS Topographic Mapping (Apex)
Pre aredB Peakway Village
Project Olive Chapel Road
~ Apex, Wake County, North Carolina
Kimsey-Horn Date Project Number Figure
and Associates, Inc..
Aug. 31, 2007 012869000 3

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XIX. Soils Map
eye Beau
~~~
Project Peakway Village
Olive Chapel Road
Apex, Wake County, North Carolina
Kimley-Horn Date Project Number Figure
and Associates, Inc._
Aug. 31, 2007 012869000 4

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XX. Site Photos
Prepared By Peakway Village
Can Project Olive Chapel Road
~ Apex, Wake County, North Carolina
KimleyHorn Date of Photo Project Number Photo Page
and Associates, Inc.
11/19/06 0]2869000 1/3
View from hill at back of lot

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XXI. Site Photos
P`epa`~aBy Peakway Village
Can Project Olive Chapel Road i
~
~ Apex, Wake County, North Carolina
Kimley-Hom
and Associates, Inc. Date of Photo Project Number Photo Page

~
11/19/06 012869000 2/3

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XXII. Site Photos
rrePareauy Peakway Village
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/1 Project Olive Chapel Road
. Apex, Wake County, North Carolina
KimleyHom Date of Photo Project Number Photo Page
and Associates, Inc.
11/19/06 012869000 3/3

Appendix C -Previous USACE/DWQ Permits

DEC.1F'200G 08:31 919 °76 5823 USACE RAL REG #5901 P. 002
~ - ,
LT.S..ARN~X COPS Off' E~TG~NE~RS
WILMINGTON' DISTRICT
~1,ction ID: 200420373 200520226 Couzaty: tivake
GENERAL PE12NUT (REGYONA"L ANb NATTONWCDE) VERI~C~I,TION
Property 04v~er: D,r. Robert E. Seymour
Mailing Address: X73 Crabtree Cxosc~ng Parkway
Rale-gh, North Carolina 27560
Authorized Agexrt: Soil & Env:iro~-zuexttal Consultants, PA
Attn: Mr. Sean Clark
1VZailing Address: 1~0101Zaverl Ridge Road
Raleigh, l`Toxtl'a Caxo~in,a 276:15
Telephone No.: (99387-I249
Telephone No.: (919) 84G-5900
Location of property (mad name/number, town, etc.): 'Che 9-acrE property is located at the i~atexsech4on of HFVy 55
and Ohive Chapel )Etoad in Apex, Wake County, North Carolina.
Site Coordinates: 35.73625 °N 78.869813 °~V USCYS Quad: Apes
Watezway: $eavex Cxeelt • River Bagin: Gape p'eax
T~TC: 03030002
Description o~projects area axad activity (see page 2 ~'or a suztuxtary of authorized iropacts): This permit autb~oxtzes the
placement o,f 1'~ll associated with kealrcvay Vidlage Resxdeatial Subdivision.
Applicable Law; ®Section 404 (Clean WateTAct, 33 USC 1344)
^ Section l0 (Rivers and ~Xarborg .,pct, 33 USC 403)
Authozazation: Nationwide or Regiozial General Pezxnit Number(s): 18, 39
Xour work i3 authorized by the above referenced permit provided it is accomplished in strict accordance Rath the attached
conditions and your submitted plans. ~1ny violation of the attached conditionsv or de~aation .from your submitted plans may subject the
pcrmittee to a stop work order, a restoration order and/or appzopriate legal actioz<.
This verification will rcm„3in valid until tho expiration dato identified below unless the nationwide authorization is modified,
suspended or revolved. Zf, prior to the expiration date ~der~tifzed below, the natioz~v~~zde porrnit authorization is reissued and/or
modified, this verification will remain valid until the expiration dato identifed below, provided it complies with all requirements of
tho modi£ed nationwide pemait. If the nationwide permit authorization expires or is suspended, revoked, or is rzzodificd, such that the
activity would no longer eoznply with the ter~n,.a and conditions of the nationwide porzmit, activities which have commenced (i.e., are
under construction) or are under contract to commence in reliance upon the nationwide permit; u211 remain authorized provided the
activity is completed within rivel~~e months of the date of the nationwide perm.it's expiration, znodifieatiozt or revocation, unless
discretionary authority has been exercised on a case-by-case basis to modify, suspend or revolve the authorization.
Acrivities subject to Sectioxa 404 (as indicated above) rraay also requite am' individuzl Section 401 Water Quality Cezhificatiozz. You
should cont<~et the NC Division of Wstcr Quality (telephone [phone]) to determine Cectiou 401 requirermcnts.
For activities occurzing within the twenty coastal counties subject to regulation under th© Coastal Area 1~?.anageznent ,Act (C.AMA),
prior to beginning work you must contact the N.C. Division of CoastalManagement .
This Departtncnt of tho Army verbcation does not reliovo the petmitteo of the InspozxSibility to obtain any other requited Federal,
State or local appmti~als/permits.
l;f there are any questions regarding this verification, any of the conditions of the l?erzzait, or the Corps of Engineers regulatory
pzogram, plcaso contact Andre ~l'ade at telephone (9X9) K76-£44X, eRt 31. •
--° ~,~
Corps Regulatory Oflacial ~ ~ ,..o,~- Date: X2/30/2004 Verification Expiration Date: 1`2/30/2006
Copy Puz-nished:
)°age X of 2

DEC. 15'2006 08:31 919 876 5823 USACE RAL REG #5901 P.003
Determination of Jurisdiction:
^ Based onptelizniuary information. them appear to be ~vatcxs of the US including wetlands within the above described project azea.
This preliminary deterrination is not an appealable action under the Repulatvry Program Adzainistrabive Appeal Process
(Reference 33 CPR Part 33l).
^ There are Nav7cable Waters of the United States within the above described project area subject to the permit requirement of
Section 10 of the Rivers and Harbors Act and Section 404 of the Clean Water ,Act. Unless there is a change in t]~o law or our
published regulations, this determination may be relied upon .for a period not to ctcecd .five years from tho date of this
notification.
Tbiezc are waters of the US and/or wetlands within the above described project area subject to the petiait requirements of Section
404 of the Clean Water Act (CWA)(33 USC § 1344). Unless there is a claar~e in the la~v or our published regulations, this
detcrtnination may be relied upon for a period not to exceed floe years from the date of this notification.
^ The jurisdictional areas within the above described project area havo been identified under a previous aedon. Please reference the
jurisdictional. detez'ztrinatiorrrssued on (,Action ZD: ).
Basis of Jurisdictional Determination: Areas on this slte exhibit wetland criteria as described Sri the 1987 Corps Wetland
Delineation 1~lanual And are adjacent to an unnamed tributary to Beaver Creek. 'Phe property also contains stream chaiwels
drat exhibit an Ordinary High Water Mark as indicated by chtrrAges in soil character and absence or terrestrial vegetation and
are hydrologically connected t Beaver Creek, which flows into the Cape k'ear River and Atlsrmtic Oceaia.
Corps Regulatory O~'~cial ~ ~. Date: 12/30/2004 petermination la;.piratiozr Uate: 12/30/2009
Sumpas of authorized Im acts and Re aired ~itiaation
Actiozr l:D NtiVP / GP en Water ac Wetland ae Uniact ortant Stesm 1 l vrtant Stream
# # Temporary Permanent T'ernporary . Pernanent Te or~aly Permanent Temporary Perm~went
200Q20373 lg .01
200520226 39 .21

Im act Totals 0 0 0 .22 0 0 0 0
Total Lose of Waters of the U.S. ac .22 Total Loss of Waters of the U.S. 1 0
Re wired Wctlazrd Mitigation ac 0 Re wired Stream Mitt ataozt 0
,Additional Reruarks and/or Special Permit Conditions:
Page 2 of 2

DEC. 15'2006 OB:31 919 876 5823 USAGE RAL REG #5901 P.004
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A ~ licaut: Dr. Robext Seymour File Nmxaber: 200420373 Date: 12/30/2004
Attached is: See Section belo~rv
INITTAL PROFFERED PERMIT (Standard pezzz~it or LEttcr of A
PROFFERED PERMTT Standard Pezmit or Letter of erzx~ission) B
PERMIT DENTAL C
AppROvED TURISDTCTIONAL DETERMINATION D '
PRELZNITNARY JURISDICTIONA>:. DETERIVILNATION ~
'I'~EC' 1U1~C I'.: T'lic;:'~'olliriYiri ' i~ciatifies..'A.ui'.It-""~:lS:re:iiii o~tauus :rc~~t"caaa~`~u~i a.i~irlllusts"~tvt;;~ippc~l~~of 1:h~: alio~<e,
i;fioris%cw%~ee~v0%re~ .or
-•eT~cisi<~n:' Ad~it~itna~l;i.C~oz~~atiaia diady~,l~.e'f'dund~'at~http_I/www',.itstc~~`.~u~ri~~;mi~11!izi~t/fun .---. - -'- -
oi~~~'re~nilatioiis~at:,'~3'~~:F'.R.!P;aa1;1,3:~I, ?..: - .~,.:~..: ~, . ~_'~~-y~.'`::.:.' .:.''. ,,
_ _.: ~-' -
A: IIVITZA.T; pIZOFFERED PERMIT: You may accept or object to the pezmit.
ACCEPT: If you received a Standard Permit, you Tray sign the permit document and return at to the distract ez.~inecr for final
authorization. If you zecei~•ed a Letter of Permission (LOP), you rtkay accept the .LOP and your work is authorized. Youz signatuze
on the Standard Pewit ox acceptance of the LOP means that you accept the permit au its entirety, atad waive a1.1 rgghtc to appeal the
permit, includit~ itc terms aztd conditions, and approved juzisdictiona] deterznination~s associated with the permit.
OB3ECT: if you object to tho permit (Standard or LOP) because of certain terms and conditions thezein, you may request that the
pezztait be modified accozdingly. Xou must complcto Section II of this forrz~ and return the fozm to the dictnict enginccs. Your
objections must be received by the distract engineer within 60 days of'the date of this notice, ox you R~.ll .foxf'eit .your right to appeal
rho permit in the future. Upon receipt of your letter, the district e~inccr will evaluate yrouz objections and xriay: (a) modify the
permit to address all of your eoncerxts, (b) zzzodify the porrnit to address soTne of your objections, ox (c) not modify the permit
having determined that the permit sfiould be issued as previously written. After evaluating your objections, the district engineez
vH'ill send you a proffered permit for your reconcidoration, as indicated in Section B below,
B: PROFFERED pERNITT: Xou may accept or appeal tt~e permit
ACCEPT: zf you received a Standard Pcrrnit, you may si~a the permit document and xetvrn it to the distract engineer for anal
authorization. If you received a Letter of Pezxrtission (LOP), you play accept rho LOP and your work as authorized. Xoux signaturo
on the Standard Permit or acceptance of the LOP means that you accept tha permit in its extarety, and waive all rights to appeal the
pertrtitr including its terAns az~d coztditXOns, sad approved jurisdictional dcterrninations associated with the permit.
APPEAL: If you choose to decline rho proffered permit (Standard oz LOP) because of curtain terms and conditions therein, you
may appeal the declined peruut under the Corps of l/ngineers Administrative Appeal Process by completing; Section .Lt of this form
and sending the form to the division engisleez. This form must be .received by rho division engineer within 60 days of rho date of
this notice.
C: PERM1'T' DENIAL: You Tray appeal rho denial of a perrtzit undez the Corps of Er~giaeezs ,Administrative .Appeal Process by
completing Section II of this form and wending the form to rho division engineer. This form must be zeccived by the division engineer
~vitkua 60 days of'tbc date of this notice.
D: APPROVED JURISDICTZON.AL DETERMINATION: You may accept or appeal the approved TD ox
provide raew :infoTZxtataon.
• ACCEPT: You do not nood to notfy the Corps to accept an approved TA. Failure to notify the Corps within 60 days of the date of
this ztotice, means tb.at you accept rho approved JA in its entirety, and waive all zigkats to appeal tlae approved TD.
• APpE,f-1,Z,: If you disagree with the approved JA, you Tray appeal the approved JD undez rho Corps of Ez~gineors Adzztinistrative
Appeal ProCESS by coAapleti,~ Section T[ of this forzr~ and sending the fozat to the division euginecz. This form must be received by
the division engineer within 60 days of the date of this notice.

DEC. 15'2006 09:32 919 976 5923 USACE RAL REG #5901 P.005
E: PREL.LIV.[INARY JUR.ISDZCTION,I-LL J~ETERMlN.~TZON: You do not need to xespond to the Corps
regarding the prelizzzinarr JD. The Preliminary JD is not appealable. If you wish, you znay request an approved
JD (which znay be appealed), by contacting the Corps district for further instruction. Also you may provide ne~v
infozrnation foz fiu-chez considEzation by the Corps to zEevaluate the :fD.
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REASONS FOR APPEAL OR OBJECTIONS: (Describe your .reasons for appealing the decision or your
' obj cctions to an initial proffered permit in clear concise statements. You may attach additional iufozmation to
this form to clarify ~vhere your reasons or objections are addressed in the admiwistrative record.)
ADDZTZONAL INNFORM~-1,TZON: The appeal is LiTnited to a .review of the adtxuiz~.istrative record, the Corps
memorandum for the record of the appeal conference or meeting, and any supplemental information that the
review o~cez has determined is needed to clarify the administrabi've zecozd. l\Teithez the appellant noz the Corps
may add new infoz7atation or analyses to the record Hox~ever, you may provide additional information to clarify
the location of iziformation that is already in the administsativE record.
}'C1I1~fiI" .~JF ~C'.UI`~'T'~C`rT ~'bR :QUESTIOl~~~.:C~FZ: ~(FbItMAT,IC>N°;..; ': ~. '..... •
If you have questions regarding this decision zf you orily have questions regarding the appeal process you
and/or the appeal process you may contact: may also contact:
Andrea Wade Mr. Michael F. Bell, Adtrainistrative •~ppeal Review
Raleigh Regulatory Field Off ce Officer
US Army Corps of Engineers CESAD-ET-CO-R
6508 Falls of khe Neuse Road, Suito 120 U.S. Army Corps o~Engineers, South Atlantic Division
Raleigh, North Carolina 27615 60 Fozsyth Stxeet, Room 91V,[15
Atlanta, Geor 'a 30303-8801
RIGHT OF I/NTRX: Your signature below grants thv right of entry to Corps of Engineers pezsonnel, atzd any
govez~uxient consultants, to conduct iz~vestxgat>ions of the project site duxang the covxse of the appeal process. You
will be providEd a 15 day notice of any site investigation, and will have the opportunity to participate in all site
investiY~ations.
Date: Telephone :aurrxber:
Signature of a ellant or agent.
pIVISION ENGINEER:
Commander
U.S. Aruay Ez-giueer pivxsxom, Soutla Atlantic
60 Fors~~th Street, lltoo~nrt 9MIS
,Atlanta, Georgia 30303-3490

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APEX, NORTH CAROLINA, WITH TH1r EXCEPTION OF SUCH VARIANCES,
F {N.C.) IF ANY, AS ARE NOTED ANEJ THAT 7H15 PLAT WAS BEEN APPROVED BY
THE TOWN OF APEX FOR RECORDING (N THE OFFICE OF THE; REGISTER
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Robert E. Seymour III
1173 Crabtree Crossing Parkway
Morrisville, NC 2756004
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
November 23, 2004
DWQ EXP # 04-1763
Wake County
Page 1 of 3
Subject Property: Peakway Village
UT to Beaver Creels [03-06-05, 16-41-10, WS-IV, NSW]
Approval of 401 Water Quality Certification with Additional Conditions-Express Review Progra»:
Dear Mr. Seymour:
You have our approval, in accordance with the attached conditions and those listed below, to place fill
within or otherwise impact 0.1909 acres of wetlands for the purpose of a subdivision at the subject
property, as described within your application dated November 9, 2004 and received by the N.C. Division
of Water Quality (DWQ) on November 9, 2004 and the additional information submitted and received on
November 16, 2004. After reviewing your application, we have decided that the impacts are covered by
General Water Quality Certification Number 3402 (GC3402). The Certification allows you to use
Nationwide Permits 18 & 39 when issued by the US Army Corps of Engineers (USAGE). 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, Non-discharge,
and Water Supply, Watershed regulations. Also, this approval to proceed with your proposed impacts
or to conduct impacts to waters as depicted in your application shall expire upon expiration of the
404 or CAMA Permit.
This approval is for the purpose and design that you described in your application. If you change your
project, you must notify us and you maybe 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 ] 50 linear feet of stream, compensatory mitigation may be required as described in 15A
NCAC 2H .0506 (h). This approval requires you to follow the conditions listed in the attached
certification and any additional conditions listed below.
The Additional Conditions of the Certification are:
1. hnpacts Approved
The following impacts are hereby approved as long as all of the other specific and general
conditions of this Certification (or Isolated Wetland Permit) are met. No other impacts are
approved including incidental impacts:
Amount Approved
(Units) Plan Location or Reference
404 Wetlands 0.1909 (acres) Sheet 4
401 Wetlands Certification Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] /FAX [phone] /Internet: htto-//h2o enr.state.nc.uslncwetlands
Noi`thCarolina
naturally
An Equal OpportunitylAffirmative Action Employer - 50% Recycled/10% Post Consumer Paper

Robert E. Seymour III
Page 2 of 3
1 ] /23/04
2. Erosion & Sediment Control Practices
Erosion and sediment control practices must be in full compliance with all specifications
governing the proper design, installation and operation and maintenance of such Best
Management Practices in order to protect surface waters standards:
a. The erosion and sediment control measures for the project must be designed, installed,
operated, and maintained in accordance with the most recent version of the Nortlt Carolina
Sedin2e~2t and Erosion Co~itrol Planni~ag acid Design Ma~zual.
b. The design, installation, operation, and maintenance of the sediment and erosion control
measures must be such that they equal, or exceed, the requirements specified in the most
recent version of the North Carolina Sediment and Erosion Control Manual. The devices
shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects,
including contractor-owned or leased borrow pits associated with the project.
No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond
the footprint of the impacts depicted in the Pre-Construction Notification. All construction
activities, including the design, installation, operation, and maintenance of sediment and erosion
control Best Management Practices, shall be performed so that no violations of state water quality
standards, statutes, or rules occur.
4. No Sediment & Erosion Control Measures w/n Wetlands or Waters
Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum
extent practicable. If placement of sediment and erosion control devices in wetlands and waters
is unavoidable, they shall be removed and the natural grade restored within six months of the date
that the Division of Land Resources has released the project.
5. Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable
Buffer Rules, and any subsequent modifications, the applicant is required to return the attached
certificate of completion to the 401/Wetlands Unit, North Carolina Division of Water Quality,
1650 Mail Service Center, Raleigh, NC, 27699-1650.
6. Notification of Construction
The applicant and/or authorized agent shall contact the DWQ Express Review Program in
writing at the letterhead address within 10 days of the commencement of construction.
Violations of any condition herein set forth may result in revocation of this Certification and may result in
criminal and/or civil penalties. The authorization to proceed with your proposed impacts or to conduct
impacts to waters as depicted in your application and as authorized by this Certification, shall expire upon
expiration of the 404 or CAMA Permit.
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

Robert E. Seymour III
Page 3 of 3
11 /23/04
you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of
the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center,
Raleigh, N.C. 27699-6714. This certification. and its conditions are final and binding unless you ask for a
hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water
Act. If you have any questions, please telephone Cyndi Karoly at 919-733-9721 or Deborah Edwards at
919-733-9502 in the Central Office in Raleigh.
Sincerely,
i% (~
.~r~ Alan VJ. Klimek, P.E.
;' 1
ti
AWKlclae
Enclosures: GC 3402
Certificate of Completion
cc: Sean Clark-S&EC
USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
DLR Raleigh Regional Office
File Copy
Central Files
Filename: 041763PeakwayVillage(Wake)EXP+401

VVQC #34.02
GENERAL CERTIFICATION FOR PROJECTS ELIGIBLE
FOR CORPS OF ENGINEERS NATIONWIDE PERMIT NUMBERS 18 (MINOR DISCHARGES)
39 (RESIDENTIAL, COMMERCIAL AND INSTITUTIONAL DEVELOPMENTS),
41 (RESHAPING EXISTING DRAINAGE DITCHES) 42 (RECREATIONAL FACILITIES),
43 fSTORMWATER MANAGEMENT FACILITIES) AND 44 (MINING ACTIVITIES),
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 (DWQ) Regulations in 15A NCAC 2H,
Section .0500 and 15A NCAC 26 .0200 for the discharge of fill material to waters and adjacent wetland areas or to
wetland areas that are not a part of the surface tributary system to interstate waters or navigable waters of the United
States (i.e., isolated wetlands) as described in 33 CFR 330 Appendix A (B) (18, 39, 41, 42, 43 and 44} of the Corps of
Engineers regulations (i.e., Nationwide Permit No. 39) and for the Riparian Area Protection Rules (Buffer Rules) in 15A
NCAC 2B .0200. This Certification replaces Water Quality Certification Numbers 3106 and 3108 issued on February 11,
1997, and Water Quality Certification Number 3287 issued on June 1, 2000 and Water Quality Certification Number 3362
issued March 18, 2002. This WQC is rescinded when the Corps of Engineers re-authorizes Nationwide Permits 18, 39,
41, 42, 43 or 44 or when deemed appropriate by the Director of 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
hereinafter set forth.
Conditions of Certification:
Enumerating and Reporting of Impacts: '~
® Streams -Impacts to streams as determined by the Division~.,of Water Quality shall be measured as length of
the centerline of the normal flow channel. Permanent and/or`temporary stream impacts shall be enumerated
on the entire project for all impacts regardless of which 404 Nationwide Permits are used. Stream relocations
and stream bed and/or bank hardening are considered to be permanent stream impacts. Any activity that
results in a loss of use of stream functions including but not limited to filling, relocating, flooding, excavation,
dredging and complete shading shall be considered stream impacts. Enumeration of impacts to streams shall
include streams enclosed by bottomless culverts, bottomless arches or other spanning structures when a 404
Permit is used anywhere in a project unless the entire structure (including construction impacts) spans the
entire bed and both banks of the stream, is only used for a road, driveway or path crossing, and is not mitered
to follow the stream pattern. Impacts for dam footprints and flooding will count toward the threshold for
stream impacts, but flooding upstream of the dam will not (as long as no filling, excavation, relocation or other
modification of the existing stream dimension, pattern or profile occurs) count towards mitigation
requirements. Any filling, excavation, relocation or other modification of the existing stream (other than
flooding) must re-establish the same dimensions, patterns and profiles of the existing channel (or those of a
stable reference reach if the existing channel is unstable) to the maximum extent practical.
Wetlands -Impacts to wetlands as determined by the Division of Water Quality shall be measured as area.
Permanent and/or temporary wetland impacts shall be enumerated on the entire project for all impacts
regardless of which 404 Nationwide Permits are used. Any activity that results in a loss of use of wetland
functions including but not limited to filling, excavating, draining, and flooding shall be considered wetland
impacts. Enumeration of impacts to wetlands shall include activities that change the hydrology of a wetland
when a 404 Permit is used anywhere in a project.
Lakes and Ponds -Impacts to waters other than streams and wetlands as determined by the Division of
Water Quality shall be measured as area. Permanent and/or temporary water impacts shall be enumerated
on the entire project for all impacts proposed regardless of which 404 Nationwide Permits are used. Any
activity that results in a loss of use of aquatic functions including but not limited to fitling and dredging shall be
considered waters impacts.
Application Thresholds -Stream, wetland and water impacts that exceed any of the thresholds below require a
complete application and written concurrence to use this Certification:
• Total stream impacts of greater or equal to 150 cumulative feet of stream length for the entire project require
written notification to and approval by the Division of Water Quality, and/or
Impacts to waters of equal to or greater than 1/3 of an acre require written notification to and approval by the
Division of Water Quality, and/or
® Wetland impacts of greater or equal to 1/3 of an acre east of I-95 and 1/10 of an acre west of I-95 require
written notification to and approval by the Division of Water Quality except as specified below. Any impacts to
wetlands adjacent to waters designated as ORW, SA, WS-I, WS-II or Trout or are designated as a North

WQC #3402
Carolina or National Wild and Scenic River and wetlands classified as SWL and/or UWL as well as wetlands
described in 15A NCAC 2H .0506 (e) require a complete application and written concurrence from the
Division of Water Quality to use this Certification. These thresholds apply for the entire project regardless of
the number of Nationwide Permits applicable to the Certification that are issued by the USACE for the project;
Written notification to DWQ is required for all applications that propose to use Nationwide Permit 18. This
notification requirement will be satisfied by providing two (2) copies of the PCN form to DWQ at the same time
that the PCN form is sent to the US Army Corps of Engineers. A formal application and fee is not required
unless DWQ decides that an Individual Certification will be required for the project. In this case, the applicant
will be notified in writing from DWQ within 30 days of the receipt of the written notification.
Proposed fill or substantial modification of any amount of wetlands classified in accordance with 15A NCAC
2B .0101(e)(7) as Unique Wetlands (UWL) shall require written concurrence from the Division of Water
Quality;
2. 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 28.0200. 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
2B .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;
3. Irrespective of other application thresholds in this General Certification, all impacts to perennial waters and their
associated buffers require written approval from DWQ since suc~i impacts are al-owable as provided in 15A NCAC
2B. 0212 (WS-I), 2B .0213 {WS-II), 2B .0214 (WS-III) and 2B .021,5 (WS-IV). Only water dependent activities,
public projects and structures with diminimus increases in impenri~us surfaces wilt be allowed as outlined in those
rules. All other activities require a variance from the delegated local government and/or the NC Environmental
Management Commission before the 401 Water Quality Certification can be processed. In addition, a 30 foot wide
vegetative buffer for low density development or a 100 foot wide vegetative buffer for high density development
must be maintained adjacent to all perennial waters except for allowances as provided under the Water Supply
Watershed Protection Rules. For the purposes of this condition, perennial waters are defined as those shown as
perennial waters on the most recent USGS 1:24,000 topographic map or as otherwise determined by local
government studies;
4. Additional site-specific stormwater management requirements may be added to this Certification at DWQ's
discretion on a case by case basis for projects that have or are anticipated to have impervious cover of greater
than 30 percent. Site-specific stormwater management shall be designed to remove 85% TSS according to the
latest version of DWQ's stormwater Best Management Practices manual at a minimum.
Additionally, in watersheds within one mile and draining to 303(d) listed waters, as well as watersheds that are
classified as nutrient sensitive waters (NSW), water supply waters (WS), trout waters (Tr), high quality waters
(HQW), and outstanding resource waters (ORW), the Division shall require that extended detention wetlands, bio-
retention areas, and ponds followed by forested filter strips (designed according to latest version of the NC DENR
stormwater Best Management Practices Manual) be constructed as part of the stormwater management plan
when asite-specific stormwater management plan is required.
For streams classified as Water Supply, High Quality Waters and Outstanding Resource Waters, post-
construction, on-site stormwater management shall be required as appropriate and as outlined in 15A NCAC 2B
.0104(m) and 2H .1000 to .1007, respectively, in addition to that required in this General Certification.
Alternative designs may be requested by the applicant and will be reviewed on a case-by-case basis by the
Division of Water Quality.
Approval of stormwater management plans by the Division of Water Quality's other existing state stormwater
programs including appropriate local programs are sufficient to satisfy this Condition as long as the stormwater
management plans meet or exceed the design requirements specified in this condition. This condition applies
unless more stringent requirements are in effect from other state water quality programs.

w~c #~~o~
® Unless specified otherwise in the approval letter, the final, written stormwater management plan shall be
approved in writing by the Division of Water C~uality's Wetlands Unit before the impacts specified in this
Certification occur.
® The facilities must be designed to treat the runoff from the entire project, unless otherwise explicitly approved
by the Division of Water Quality.
® Also, before any permanent building or other structure is occupied at the subject site, the facilities (as
approved by the Wetlands Unit) shall be constructed and operational, and the stormwater management plan
(as approved by the Wetlands Unit) shall be implemented..
o The structural stormwater practices as approved by the Wetlands Unit as well as drainage patterns must be
maintained in perpetuity.
® No changes to the structural stormwater practices shall be made without written authorization from the
Division of Water Quality.
5. Compensatory stream mitigation shall be required at a 1:1 ratio for not only perennial but also intermittent stream
impacts that require application to DWQ in watersheds classified as ORW, HQW, Tr, WS-I and WS-II unless the
project is a linear, publicly-funded transportation project, which has a 150-foot per-stream impact allowance;
6. In accordance with North Carolina General Statute Section 143-215.3D(e), any application fora 401 Water Quality
Certification must include the appropriate fee. If a project also requires a LAMA Permit, one payment to both
agencies shall be submitted and will be the higher of the two fees;
7. In accordance with 15A NCAC 2H .0506 (h) compensatory mitigation may be
required for impacts to 150 linear feet or more of streams and/or one acre or more of wetlands for an entire
project. For linear public transportation projects, impacts equal, to or exceeding 150 feet per stream may require
mitigation. In addition, buffer mitigation may be required for any,project with Riparian Area Protection Rules
(Buffer Rules) in effect at the time of application for buffer impacts resulting from activities classified as "allowable
with mitigation" within the "Table of Uses" section of the Buffer Rules or require a variance under the Buffer Rules.
A determination of buffer, wetland and stream mitigation requirements shall be made for any Certification for this
Nationwide Permit. The most current design and monitoring protocols from DWQ shall be followed and written
plans submitted for DWQ approval as required in those protocols. When compensatory mitigation is required for a
project, the mitigation plans must be approved by DWQ in writing before the impacts approved by the Certification
occur, unless otherwise specified in the approval letter. The mitigation plan must be implemented and/or
constructed before any permanent building or structure on site is occupied. In the case of public road projects, the
mitigation plan must be implemented before the road is opened to the travelling public. Please note that if a
stream relocation is conducted as a stream restoration as defined in The Internal Technical Guide for Stream Work
in North Carolina ,April 2001, the restored length can be used as compensatory mitigation for the impacts
resulting from the relocation;
8. For any project involving re-alignment of streams, a stream relocation plan must be included with the 401
application for written DWQ approval. Relocated stream designs should include the same dimensions, patterns
and profiles as the existing channel (or a stable reference reach if the existing channel is unstable), to the
maximum extent practical. The new channel should be constructed in the dry and water shall not be turned into
the new channel until the banks are stabilized. Vegetation used for bank stabilization shall be limited to native
woody species, and should include establishment of a 30 foot wide wooded and an adjacent 20 foot wide
vegetated buffer on both sides of the relocated channel to the maximum extent practical. A transitional phase.
incorporating coir fiber and seedling establishment is allowable. Also, rip-rap, A-Jacks, concrete, gabions or other
hard structures may be allowed if it is necessary to maintain the physical integrity of the stream, but the applicant
must provide written justification and any calculations used to determine the extent of rip-rap coverage requested.
If suitable stream mitigation is not practical on-site, then stream impact will need to be mitigated elsewhere.
Please note that if a stream relocation is conducted as a stream restoration as defined in The Internal Technical
Guide for Stream Work in North Carolina ,April 2001, the restored length can be used as compensatory mitigation
for the impacts resulting from the relocation;
Placement of culverts and other structures in waters, streams, and wetlands must be placed below the elevation of
the streambed to allow low flow passage of water and aquatic life unless it can be shown to DWQ that providing
passage would be impractical. Design and placement of culverts including open bottom or bottomless arch
culverts and other structures including temporary erosion control measures shall not be conducted in a manner
that may result in aggradation, degradation or significant changes in hydrology of wetlands or stream beds or
banks, adjacent to or upstream and down stream of the above structures. The applicant is required to provide
evidence that the equilibrium shall be maintained if requested to do so in writing by DWQ. Additionally, when
roadways, causeways or other fill projects are constructed across FEMA-designated floodways or wetlands,

WQC #3402
openings such as culverts or bridges must be provided to maintain the natural hydrology of the system as well as ,
prevent constriction of the floodway that may result in aggradation, degradation or significant changes in hydrology
of streams or wetlands;
10. That appropriate sediment and erosion control practices which equal or exceed those outlined in the most recent
version of the "North Carolina Sediment and Erosion Control Planning and Design Manual" or the "North Carolina
Surface Mining Manual" whichever is more appropriate (available from the Division of Land Resources (DLR) in
the DENR Regional or Central Offices) shall be in full compliance with all specifications governing the proper
design, installation and operation and maintenance of such Best Management Practices in order to assure
compliance with the appropriate turbidity water quality standard;
11. All sediment and erosion control measures placed in wetlands and waters shall be removed and the original grade
restored within two months after the Division of Land Resources has released the project;
12. That additional site-specific conditions may be added to projects proposed under this Certification in order to
ensure compliance with all applicable water quality and effluent standards;
13. Measures shall be taken to prevent live or fresh concrete from coming into contact with waters of the state until the
concrete has hardened;
14. If an environmental document is required, this Certification is not valid until a Finding of No. Significant Impact
(FONSI) or Record of Decision (ROD) is issued by the State Clearinghouse;
15. If this Certification is used to access building sites, all lots owndd by the applicant must be buildable without
additional fill beyond that explicitly allowed under other General Certifications. The applicant is required to provide
evidence that the lots are buildable without requiring additional im~acts to wetlands, waters or buffers if required to
do so in writing by DWQ. For road construction purposes, this Ce~ification shall only be utilized from natural high
ground to natural high ground;
16. Deed notifications or similar mechanisms shall be placed on all lots with remaining jurisdictional wetlands and
waters or areas within 50 feet of all streams and ponds. These mechanisms shall be put in place within 30 days of
the date of issuance of the 401 Certification letter or the issuance of the 404 Permit (whichever is later). A sample
deed notification format can be downloaded from the 401/Wetlands Unit web site at
http://h2o.enr.state.nc.us/ncwetlands. DWQ shall be sent copies of all deed restrictions applied to these lots;
17. When written concurrence is required, the applicant is required to use the most recent version of the Certification
of Completion form to notify DWQ when all work included in the 401 Certification has been completed;
18. 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 on the same day as the expiration date of the corresponding Nationwide
Permit 18, 39, 41, 42, 43 or 44,
whichever is sooner.
Non-compliance with or violation of the conditions herein set forth by a specific fill project may 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 that requires written concurrence under this certification, if it is
determined that the project is likely to have a significant adverse effect upon water quality 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: March 2003
DIVISION OF WATER QUALITY
By
Alan W. Klimek, P.E.
Director

Cer~i~c~te ®f C®m~l~ti®n
DWQ Pr®Ject N®.:
Applicant:
c®unty:
Project Narne:
Date of Issuance of 401 Water Quality Certification:
Upon completion of all work approved within the 401 Water Quality Certification and Buffer Rules, and any
subsequent modifications, the applicant is required to return this certificate to the 401/Wetlands Unit, Ncrth
Carolina Division of Water Quality, 1621 Mail Service Center, Raleigh, NC, 27699-1621. This form may be
returned to DWQ by the applicant, the applicant's authorized agent, or the project engineer. It is not
necessary to send certificates from all of these.
Applicant's Certi, f ication
I, ,hereby state ghat, to the best of my abilities, due care and
diligence was used in the observation of the construction such tl'i~at the construction was observed to be built
within substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the
approved plans and specifications, and other supporting materials
Signature:
Agent's Certification
Date:
I, ,hereby state that, to the best of my abilities, due care and
diligence was used in the observation of the construction such that the construction was observed to be built
within substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the
approved plans and specifications, and other supporting materials.
Signature:
Date:
If tliis project was designed by a Certi, f ied Professional
I~ , as a duly registered Professional (i.e.,
Engineer, Landscape Architect, Surveyor, etc.) in the State of North Carolina, having been authorized to
observe (periodically, weekly, full time) the construction of the project, for the Permittee hereby state that,
to the best of my abilities, due care and diligence was used in the observation of the construction such that
the construction was observed to be built within substantial compliance and intent of the 401 Water Quality
Certification and Buffer Rules, the approved plans and specifications, and other supporting materials.
Signature: Registration No.: Date:

Appendix D -Agent Authorization

Letter of Authorization
Robert E. Seymour III authorizes ICimley-Horn and Associates, Inc. to act as our
limited agent to prepare and coordinate in the application to the U.S. Army Corps
of Engineers for 404/401 permits and jurisdictional determinations associated
with the Peakway Village -Phase 3 development located in Apex, NC, North
Carolina. Authorization will terminate on either final agency action or upon
written notification from either party involved.
Address: Robert E. Seymour III
1173 Crabtree Crossing Parkway
Morrisville, NC 27560
Phone:
Fax:
Emai L•

Appendix E - Stormwater Report

BIORETENTION AREA OPERATION AND MAINTENANCE AGREEMENT
The bioretention area is defined as the one (1) bioretention area located on the Peakway Village Commercial
Parcel and being comprised of the ponding area, planting soil, mulch layer, under-drains, inlet and outlet
structures and the associated plantings.
Maintenance activities shall be pertormed as follows:
1. After every significant runoff producing rainfall event and at least monthly:
Inspect the bioretention area for sediment accumulation, erosion, trash accumulation,
vegetated cover, and general condition.
Check and clear the riser grate of any obstructions.
Check the pH once or twice a year. Apply an alkaline product, such as limestone, if needed.
Inspect the cell and make sure that drainage paths are clear and that ponding water
dissipates over 4-6 hours.
2. Repair eroded areas immediately, re-mulch as necessary to maintain good cover, mow vegetative cover
to maintain a maximum height of six inches, and remove trash as needed.
Re-mulch any void areas as needed.
Every six months, in the spring and fall, add a fresh mulch layer.
Once every 2 to 3 years, in the spring, remove old mulch layer before applying new one.
3. Once a month (more frequently in the summer), visually inspect vegetation for disease or pest problems.
If treatment is warranted, use the least toxic approach.
4. Twice a year, from March 15th to April 30th and October 1 st to November 30th, remove and replace all
dead and diseased vegetation considered beyond treatment.
5. Remove accumulated sediment from the bioretention area system semi-annually or when depth is
reduced to 75% of the original design. Removed sediment shall be disposed of in an appropriate
manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling
near a bioretention area, stormwater device, or stream, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an
accurate depth reading and not readily penetrate into accumulated sediments.
BIORETENTION DIAGRAM
0 Top of Ponding Elevation = 415.75
------- -------------------------------------------
~ ~ ~ ~ Sediment Removal EI. (25% Full) = 415.20
Perm. Pool EI. = 415.00
Riser
Underdrain
Outfall Pipe I l 0 0 0 0 0 0
Page 1 of 2

6. During times of extended drought, look for physical features of stress (unrevived wilting, yellow, spotted
or brown leaves, loss of leaves, etc.). Water in the early morning as needed.
Weed regularly, if needed.
Prune excess growth annually or more often, if desired. Trimmed materials may be recycled
back in with replenished mulch or land filled if there is a concern of heavy metals
accumulation.
7. Inspect and repairthe collection system (i.e. catch basins, piping, swales, riprap dissipator pads, flumes,
etc.) quarterly to maintain proper functioning.
8. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment
through the riser shall be minimized to the maximum extent practical.
9. All components of the bioretention area system shall be maintained in good working order.
10. Riprap aprons or other structures that provide diffuse flow shall be maintained every six months. All
accumulated sediment and debris shall be removed from the structure. Any down gradient erosion must
be repaired and/or replanted as necessary.
I acknowledge and agree by my signature below that I am responsible for the performance of the
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party.
Print naxwe: ~~~ ~ ~~
Title:
Phone: ~ `I
Signature:
Date: ~ 2 ~ ~~

~~
I, ,~-~ ~C ~'c~ ~J • ~~ (G/~'S ~ , a Notary P lic for the State of ~~ ~ ~C~'-~/`--` ,
County of ~~~~ , do hereby certify that ~ ~ S~ ~ ~1nuu ~
personally appeared before me this ~ day of eJ ~ ,and acknowledge the
due execution of the forgoing wet (wetland] detention basin maintenance requirements. Witness my hand
and official seal,
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Page 2 of 2

Stormwater Impact Analysis
Peakway Village Commercial Parcel
Stormwater Plans
Apex Peakway at Olive Chapel Road
Apex, North Carolina
Prepared for:
Peakway Village Development Company
1173 Crabtree Crossing Parkway
Morrisville, NC 27560
©Kimley-Horn and Associates, Inc., 2007
August 2007
* PRELIMINARY DOCUMENT FOR PERMITTING PURPOSES ONLY*
*NOT FOR CONSTRUCTION*

PEAKWAY VILLAGE COMMERCIAL PARCEL
STORMWATER PLANS
APEX PEAKWAY AT OLIVE CHAPEL ROAD
APEX, NORTH CAROLINA
STORMWATER IMPACT ANALYSIS
Prepared for:
PEAKWAY VILLAGE DEVELOPMENT COMPANY
1173 Crabtree Crossing Parkway
Morrisville, NC 27560
Prepared by:
KIMLEY-HORN AND ASSOCIATES, INC.
3001 Weston Parkway
Raleigh, North Carolina 27636
AUGUST 2007
012869000

This document, together with the concepts and designs presented herein, as an instrument of service, is intended only
for the specific purpose and client for which it was prepared. Reuse of and improper reliance on this document
without written authorization and adaptation by Kimley-Horn and Associates, Inc. shall be without liability to
Kimley-Horn and Associates, Inc.

TABLE OF CONTENTS
OVERVIEW
BACKGROUND
FLOODPLAIN/FLOODWAY
STREAMS/WETLANDS
SOILS
WATER QUALITY
WATER QUANTITY
METHODS
CONCLUSION
FIGURES
USGS QUADRANGLE MAP FIGURE 1
AERIAL PHOTOGRAPH FIGURE 2
FEMA FLOOD INSURANCE RATE MAP FIGURE 3
USDA SOILS SURVEY MAP FIGURE 4
BIORETENTION DRAINAGE AREA EXHIBIT FIGURE 5
SOIL CLASSIFICATION
SOIL COMPONENT LEGEND
SOIL WATER FEATURE TABLE
SOIL PHYSICAL PROPERTIES TABLE
WATER QUALITY
STORMWATER BIORETENTION BMP WORKSHEET
STORMWATER BIORETENTION DESIGN CALCULATIONS
WATER QUANTITY
ALLOWABLE IMPERVIOUS BUILDOUT DETERMINATION
APPENDICES
RAINFALL DEPTH AND INTENSITY CHART
CN VALUE TABLE
RATIONAL FORMULA C VALUES

OVERVIEW
Background
This report contains the approach and results of a stormwater analysis conducted for the proposed
Peakway Village Commercial property. The project site is located south of Olive Chapel Road, and west
of Apex Peakway in Apex, North Carolina. The site is currently cleared for development and is a vacant
commercial outparcel of a larger subdivision. The project encompasses approximately 1.73 acres and is
limited to an impervious cover of 0.95 acres, approximately 60% of the total onsite area. The
determination of the allowable impervious cover will be discussed in the Water Quantity section of this
report.
Site Topog_raphy
The subject property is located on the south-west corner of the intersection of Olive Chapel Road and
Apex Peakway. The property is bounded by Apex Peakway to the east, Olive Chapel Road to the north, a
residential development to the south, and an existing stormwater wetland to the west. Two existing 30"
RCP stormwater pipes, responsible for drainage of Olive Chapel Road and Apex Peakway, discharge on
the northeastern corner of the site. These stormwater pipes currently discharge into existing swales that
convey the stormwater across the site and into the existing stormwater wetland, creating a linear wetland
onsite. No other drainage features currently exist on the site. Based on the topographic information
available, the existing elevations onsite range between 428 feet in the southeast corner of the site and 410
feet along the northern boundary along the wetland.
Floodplain/Floodway
The proposed site does not lie within a 100-year floodway boundary as determined from FIRM Map #
3720073200 J dated May 2, 2006. Refer to "Figure 6: FEMA Flood Insurance Rate Map" in the
"Figures" section of this report.
Streams/Wetlands
As field verified by the United States Army Corps of Engineers ("USACOE"), there are jurisdictional
wetlands on the project site. There is a small linear wetland located in the northwest portion of the site,
which is approximately 73 LF in length. The linear wetland runs into the existing stormwater extended
detention wetland located to the west of the site. The existing stormwater extended wetland is
surrounded by wetland area.
Refer to the Nationwide Permit #39 Application Submittal included with this stormwater Impact
Analysis for additional information regarding the wetland impacts and mitigation.
Soils
The Wake County soils map taken from Wake County GIS indicates that Mayodan Gravely Sandy Loam
(MgC2) with slopes ranging from 6 to 10 percent exist onsite. Mayodan gravely sandy loam is classified
as hydrologic soil group B, and has a conductivity ranging from 4-14 µm/sec at depths of 47"-60".

Information regarding the onsite soils can be found in the Soil Classification section of this report. This
information was taken from the USDA Natural Resource Conservation Service Tabular Data Version 1
for Wake County, North Carolina. CN values used for calculation purposed within this report have been
chosen based on this information. Refer to the Appendices for the CN Value Table.
Water Quality
The site is currently treated by the existing stormwater wetland; however, due to the impacts to the
existing linear wetland an additional level of stormwater treatment has been provided. A bioretention
area has been designed to treat the maximum allowable buildout of the commercial site using the
Division of Water Quality (DWQ) July 2007 BMP Manual. The bioretention area has been designed to
treat the 1" of runoff from the 1.73 acre site with an impervious area of 0.95 acres. The bioretention area
will have a required treatment volume of 647 cf draining from the developed site. The ponding depth of
the bioretention area has been designed to be 9 inches, which requires the permanent pool surface area to
be 862 sf. A permanent pool surface area of 872 sf was provided in the site layout. The bioretention
area will have a biosoil depth of 2.5 feet, which will allow grasses and short rooted shrubs to be planted
within the bioretention area.
The current site plan has been developed for the design of the bioretention area, and to demonstrate the
full impervious buildout for the subject property. The site is currently in the process of being sold to a
commercial suitor, and which time the site layout could change. Despite this fact, the impervious area of
the site, and the size requirement of the bioretention area will not change.
Water Quantity
The subject property is a commercial outparcel of the Peakway Village development; therefore the
existing stormwater wetland has been sized to reduce the post-development peak discharge to the pre-
development peak discharge per the requirements of the Town of Apex. The existing stormwater
wetland was sized to accommodate a commercial outparcel with a C value of 0.63. The total property
area is 1.73 acres, which allows for 0.95 acres of impervious area on the subject property. The submitted
site plan has been designed to meet these restrictions. Refer to the "Water Quantity" section of this
report for the calculations determining the allowable impervious buildout of the subject property.
Methods
The proposed stormwater management facility was sized using the Division of Water Quality (DWQ)
July 2007 BMP Manual. F1owMaster created by "Bentley" was used to assist in the hydraulic
computations for pipe, ditch, and flume flows. F1owMaster utilizes the Manning's equation for
hydraulic calculations.
The proposed rip rap dissipator pads were designed using the New York Dissipator Method.
Conclusion
Based on the analyses provided herein, the proposed system will be adequate to address the stormwater
requirements of the town of Apex, the NCDENR Division of Water Quality, and the United State Army
Core of Engineers (USAGE).

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Project Olive Chapel Road
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Kimley-Horn Date Project Number Figure
and Associates, Inc.,
5/16/07 012869000 1
Prepared by Anna Reusche ~~n .e~tk

Title Aerial Photograph (2006)
Pr eas Peakway Village
~~ Project Olive Chapel Road
~~ Apex, Wake County, North Carolina
Kimiey-Horn
end Associates, Inc..
5/16/07
Date
Project Number
012869000
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MgC2 ~ MgC2 ~ Mg6
Title Wake County G1S Soils Map
P aredB Peakway Village
~~ Project Olive Chapel Road
_ _ Apex, Wake County, North Carolina
Kimley-Horn Date Project Number Figure
and Associates, Inc..
5/16/07 012869000 4
Prepared by Anna Reusche ~~n ~~.k

-
- ,~
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////~/ T~"111~~~/ / ~ v I~ i'~''r d I 1Ui'lde~ "~~~ _
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ORIGINAL ~` /r ,~
PROPERTY LME ~/ r' ''~
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.SS _ z
~~-,~ a ~ PROPOSED ~ ~ j ~ / ~ ~ ~~ ~ i
_ STORM-DRq ~ _
DRY DETENTION ~ ~ ~ ~ =~~ ~ ~ ~~' ~~
./
POND ~ ~ '~ ",- ~ . ~
~~ /
` ~/ -~ ~ ' % ~ •''~ POTENTIAL~'(60'X120') ~~
LINER wETLArro , `' 21;600 SF 1
'~ 3=STORY OFFICE ~~
M
__ ~ ~~ ~ BUILDING r ~~,~ / / ~~
~ ,,,~. ,;
II
r ~'' `
-- ~ -
I
__ - fir! LANDSCAPE AREA/ ~ ~ II
~~ ~J ~ J •~ '; ` (554 SF, 0.012 ACJ
~ /
_ _ / /- /
-'-"~ ~-' ~/ ~ y ~,' ~ ~ LANDSCAPE AREA ~ I I
-- .-BI OR N'F y~P, EA r ~ ~ ,% y / ' (322 SF, 0.0074 AC.) ~ / /
RF, IREO E 00 E 882 ~ ~ 1 ~ ~ ` / /
i jj'' ~ P VIO PE JA=BJY SF ~~'~
T f~ P S F M I(IL) /'~ ~ ', b l/ .~'! l 1
l/JJ ///$E/E//LAN ///~/E/D_/'~ /P '''~~ f ~, T~ II
"(/ - i .i
f. ~ ~ '~ LANDSCAPE A)tEA ` ~ ~ ~ II
2~ (295 SF, 0.007'AC.) 4 ~ / I
~ ~~ ~ ~ ~ / I
- RCA ~, ~. ~V y ~ U ~ _
... --- ' _ f ni ~17r - i
- -- --
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~ % ~ ~'' '< ll /
~ ll l
// /
ll l
_. ~ I l l,,
----~ ~-___, /I ,~ ~~~
~,
i I sz, ~ -. / ~ .r
LANDSCAPE AREA l l --~„ II /
/• IMPERVI R (1,892 SF, 0.047 AC.)~~
(41,367 SF, 0. A .) ~ - BIO TE ION
~ ~ ! ~~ ~ ~ ~ D A(~ AREA j
T~? ~ TOTA REA - 5,359 SF = 1.7 ACRES( 1
'I I IMPE IOUS EA = 41,382 S 0.95 ACRES '
ptti / PERV US A~t~ = 33,977 SF 0.78 ACRES
r 1 1`
~ ~ ~ ~ ~l I ~ ~ ? I
j I'
~ ~ ~ %~ ~ ~l 1 1~ t
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_ _ '' 11r ~ ~ l l 1 ! r(
--.--..-..-,, - a, ._-
.- -._
--- II 1 I I 1
--- - -,. I
1 ~ r
1 ? ' I
NOTES:
1. PROPOSED COMMERCIAL DEVELOPMENT IS POTENTIAL LAYOUT FOR SITE. LAYOUT OF SITE COULD CHANGE UPON
DEVELOPMENT, BUT THE TOTAL IMPERVIOUS AREA WILL REMAIN 0.95 ACRES.
2. PROPOSED COMMERCIAL SITE AREA IS 1.73 ACRES, ORIGINAL PUD SITE AREA IS 1.60 ACRES. BIORETENTION AREA WAS SIZED
ASSUMMING THAT ALL OF THE 1.73 ACRE AREA WOULD DRAIN TO THE BIORETENTION AREA.
PEAKWAY VILLAGE -COMMERCIAL PARCEL FIGURE 5
^=a BIORETENTION DRAINAGE AREA EXHIBIT
IMPERVIOUS COVER ALLOWED BY PUD 60% DATE: OS-] 5-07
C VALUE = 0.63 DRAWN BY: CRS/RTL
Kimley-Horn and Associates, Inc. SCALE: ]:so

SOIL CLASSIFICATION
SUMMARY

Component Legend
Wake County, North Carolina
Pct. of Nct. 5iope
Map unit symbol and name map unit Component name Component kind Low RV High
MgC2:
Mayodan gravelly sandy loam, 6 to 10
percent slopes, eroded
80 Mayodan Series 6 8 10
USDA Natural Resources Tabular Data Version: 1
Conservation Service Tabular Data Version Date: 12/31/2003
Page 1

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C „ I4mley-Hom
~ antl Assadales, Inc.
BIO-RETENTION AREA DESIGN SHEET
Project Information
Project Name: Peakway Village -Commercial Parcel
KHA Project #: 012869000
Designed by: RTL Date: 8/6/2007
Revised by: Date: -
Checked by: JJW Date: 8/6/2007
Design Notes:
• Per the Jul 2007 BMP Manual sizing is based on the Site Runoff Volume for the first inch of runoff.
I. Runoff Depth Methodology (Draft BMP Manual Sizing Criteria)
Runoff Depth (in.) _ (P-0.2S)^2/(P+0.8S)
S=1000/CN - 10
CN=Curve number
CN value
Area CN Composite
(acres) CN
Impervious Area 0.95 98 54
Pervious Area 0.78 61 28
Total 81
P= Precipitation (in.) = 1.00 in. (first flush)
Drainage Area = 1.73 ac ( 75,359 sf )
Desired depression depth = 9.00 in.
CN = 81
therefore, S = 2.30
Runoff depth = 0.10 in.
Runoff Volume = 7758 sf-in 647 cf (Vo)

Required SA" = 862 sf
'Surtace Area (SA) = 1" Rainfall Volume/Depression Depth
II. Bio-retention Depth and Soil Type
Minimum depth of bio-retention area = r 2.5 ft
Conductivi of Bio-Soil Mix
Soil Conductivi K
in/hr
Sand 6
Loam Sand 2
Sand Loam 0.5 - 1
Site Soil Conductivi
Soil Conductivi s
in/hr
M C2 0.57
Based on 4-14 Nm/sec at 47" depth from physical soil properties
Used 4 vm/sec to be conservative. Underdrains to be used to drain
bioretention area Bio-soil
K•„e = 2.0 (conservative)
Q Water
Fill Soil Layer- With Set Hydraulic
Conductivity (K). K expected to range Q h
from 0.5 to 6 in/hr (1-2 in/hr TYP) Q L
Rock Layer wl rain Pipes
1 of 5

~ IGmley-Horn
C ~„ and Assodates, lnc.
BIO-RETENTION AREA DESIGN SHEET
Project Information
Project Name: Peakway Village -Commercial Parcel
KHA Project #: 012869000
Designed by: RTL Date: 8/6/2007
Revised by: - Date:
Checked by: JJW Date: 8!6/2007
111. Calculate Water Draw Through Rate
Q(CfS) _ (2.3E-5)`K„v`A*H/L
Where:
Q =Flow (Rate of draw) through Bio-Retention Soil (cfs)
K,,,a =Hydraulic Conductivity of Soil (in/hr)
A = Surtace Area of Bio-Retention Area (sf)
H =Height of water above gravel envelope/drainage pipe zone
L = Thicknes of Soil (as determined above)
K,,,a = 2.0 in/hr
A = 862 sf
H3 = 3.25 ft
L3 = 2.5 ft
' H ' L, (or unless L is small, such as 2.0 feet), allow H/L = 1
Q= 0.05 cfs
Find time to drawdown water from inundation to saturation at surface:
Bioretention Volume N.-,) = SA x Depression Depth
Vs_~ = 647 cf
Time to remove Vs_, of water at flowrate, D
T,-, = Vi-~/Q
T,-~ = 12542 seconds
T,-~ = 3.48 hours
Time to drawdown water from saturation at surface to X feet below surface:
Porosity, n = 0.45
X = 2.5 ft
Calculate volume of water to drawdown in 4 feet of soil:
V,-z = 970 cf
Time to remove water from V.-x:
T.-z = 18813 seconds
T.-z = 5.23 hours
Total time to draw water through soil:
Time = T:-, + T,-z
Drawdown Time = 8.71 hours
2of5

C ~„ Kimley-Ham
~ and Associates, Inc.
BIO-RETENTION AREA DESIGN SHEET
Project Information
Project Name: Peakway Village -Commercial Parcel
KHA Project #: 012869000
Designed by: RTL Date: 8/6/2007
Revised by: Date:
Checked by: JJW Date: 8/6/2007
IV. Sizing Underdrain Pipes and Gravel Envelope
Q = 0.05 cfs
Size drains so they are able to carry 10X the soil drawdown
Q = 0.5 cfs
Manning Roughness Coefficients:
Pi e T e and Diameter Mannin Rou hness Coefficient
4" Sin le Wall Corru ated Plastic 0.0145
4" Smooth Wall Plastic 0.0105
6" Sin le Wall Corru ated Plastic 0.0145
6" Smooth Wail Plastic 0.0105
8" Sin le Wall Corru ated Plastic 0.0155
N ` D = 16 ` (Q`n/s"0.5)".375
n = 0.0145
s = 0.005
N ` D = 1.2 inches
` 1.2 inches is less than 5.13
N=D
.2 Inc es Is less than 5. nc es, t ere ore, two ( 4 p pe, or corrogate
plastic pipes are required.

The gravel envelope surrounding the drainage pipe to be 8" deep at a minimum.
V. Sizing of Bio-Retention Outlets

Calculate Weighted C value
DA (acres) ~~ C

Impervious Area 0.95 41,362 0.95
Pervious Area 0.78 33,977 0.25
Total 0.63
Primary Spillway -Box Culvert Riser
Find the peak flow for 10-year storm:
Qp =C`I`A
C = 0.63
I = 8.19 in/hr (25-year storm intensity, Tc= 5 min)
A = 1.73 ac
Op = 9.0 cfs
Find Total Wier Length:
L = Q/(Cw " His)
C„, = 3
H = 0.5 (feet above wier water can rise)
L = 8.47 feet
Use L = 12 feet (4' x 2' Box Riser)
3of5

C „ Kunley-HOm
~ and Assodates, Inc.
BIO-RETENTION AREA DESIGN SHEET
Project Information
Project Name: Peakway Village -Commercial Parcel
KHA Project #: 012869000
Designed by: RTL Date: 6/6/2007
Revised by: - Date:
Checked by: JJW Date: 6/6/2007
Size Outfall Pipe:
Q = 0.0437 Cd ` DZ'(H - D/24)'n -submerged orifice equation
Cd = 0.60 typical
H = 3.25 ft
D = 15.0 in
Q = 9.6 cis (amount 15" RCP will carry through submerge orifice flow)
• 15" RCP can carry 9.6 cfs, inflow for the 25-year storm is 9.0 cfs.
15" RCP is sufficient to carry 25-year storm.
Secondary Spillway -Emergency Spillway
Find the peak flow for 100-year storm:
Qp =C`I`A
C = 0.63
I = 9.72 in/hr (100-year storm intensity, Tc= 5 min)
A= 1.73 ac
Qp = 10.7 cfs
Find Total Wier Length:
C„, = 3
H = 0.5 (feet above wier water can rise)
L = 10.06 feet
Use L = 10 feet _,(Length of bottom of earthen weir)
4of5

C ~„ Kimley-Hom
~ and Associates, Inc.
Project Information
BIO-RETENTION AREA DESIGN SHEET
Project Name: Peakway Village -Commercial Pa_r_cel
KHA Project #: 012869000
Designed by: RTL Date: 8/6/2007
Revised by: Date:
Checked by: JJW Date: 8/6/2007
VI. Inlet Dissipator Pad
Rip Rap Sizing for Curb Cut (using New York Dissipator Method)
Channel Size: Number of Flumes = 1 (3 ft. open flume)
aft Flume Area (6" depth) = 1.50 ft~ (Do=Ao for open channel)
Velocity: v' = 4.20 fUs
` refer to flowmaster calculations for flow through curb cut
Dissipator Dimensions: Zone = 2
`slope = 33%. Used next highest zone for slope greater than 10%
Stone Filling Class = Class B
Entry Width (3 X Da) = 4.5 ft USE 5.0 ft
Length (6 X Do) 9 ft USE 9.0 ft
Width (La + Do) 10.5 ft USE 11.0 ft
Min. Thickness = 22 inches
Round to the nearest 0.5 ft.
1.0
Energy Zone:
All units are in feet
Zone Filllne Size L7 coetf L2 coeH Thickness
Min. (in)
1 Class A 3 4 12
2 Class B 3 6 22
3 Class 1 4 8 24
4 Class 1 4 8 36
5 Class 2 5 10 36
6 Class 2 6 10 36
Inlet Note:
Refer to the following FlowMaster Reports for Curb Cut and Rip Rap Channel calculations on the 3:1 slope.
Velocity exceeds 3 ft/sec with the curb cut and rip rap channel, therefore a grass swale and forebay will be added to successfully
dissipate the energy of the stormwater before it enters the bioretention area.
5of5

Curb Cut Outflow Analysis
Project Description
Friction Method Manning Formula
Solve For Discharge
Input Data
Roughness Coefficient
Channel Slope
Normal Depth
Bottom Width
0.013 E--- ccwct.ETE
0.00500 ft/ft ~ ~t_Aq' CW2s GuT
0.28 ft F" (D ``lK- STDLM QuNOEF pfcPtl~1-
f¢oti. S Pt£AnSel~ii:~EET
3.00 ft
Results
Discharge
Flow Area
Wetted Perimeter
Top Width
Critical Depth
Critical Slope
Velocity
Velocity Head
Specific Energy
Froude Number
Flow Type Supercritical
2.59 ft'/s E- usf~ 1FO2 R~ r,,~~v c~tn~Nf~,
0.84 ft=
3.56 ft
3.00 ft
0.29 ft
0.00472 ft/ft
3.09 ft/s ~--~ JEtoc. ~Zy 6~PaR.tF_ 3 ~ 1
0.15 ft r't~E St,el~. ~YCt1P rQA,/ CWy„~p/~L~
0.43 ft
1.03
GVF Inptat Data
Downstream Depth
Length
Number Of Steps
0.00 ft
0.00 ft
0
GVF Output. Data
Upstream Depth 0.00 ft
Profile Description
Profile Headloss 0.00 ft
Downstream Velocity Infinity ft/s
Upstream Velocity Infinity ft/s
Normal Depth 0.28 ft
Critical Depth 0.29 ft
Channel Slope 0.00500 ft/ft
Critical Slope 0.00472 ft/ft
Bentley Systems, Inc. Haestad Methods Solution Center Bentley FlowMaster [08.01.066.00]
SH6/2007 10:45:42 AM 27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA [phone] Page 1 of 1

Rip Rap Inlet Channel
Project Description
Friction Method Manning Formula
Solve For Normal Depth
Input Data
Roughness Coefficient
Channel Slope
Left Side Slope
Right Side Slope
Bottom Width
Discharge
o.o7s
0.33000
3.00
3.00
3.00
2.59
E-- 'R~r+~AP
ft/ft F 3 : i S wPE
ft/ft (H:V)
ft/ft (H:V)
ft
ft'/s E- ~ is c1iAR4E rk+N- Ct>Kp ~-
Results
Normal Depth
Flow Area
Wetted Perimeter
Top Width
Critical Depth
Critical Slope
Velocity
Velocity Head
Specific Energy
Froude Number
Flow Type Supercritical
GVF Input Data
Downstream Depth
Length
Number Of Steps
GVF Output Data
Upstream Depth
Profile Description
Profile Headioss
Downstream Velocity
Upstream Velocity
Normal Depth
Critical Depth
Channel Slope
Critical Slope
0.21 ft
0.76 ft~
4.32 ft
4.25 ft
0.26 ft
0.15150 ft/ft 3 F''} 1!~¢
3.42 ft/s c- VeLOC~'wl CJecg~DS
0.18 ft ~ uru. ADC ~~ftb144 '1b dS o ~CE'CErJ
0.39 ft s`lf1'EM , :k --
1.43
0.00 ft
0.00 ft
0
0.00 ft
0.00 ft
Infinity ft/s
Infinity ft/s
0.21 ft
0.26 ft
0.33000 ft/ft
0.15150 ft/ft
Bentley Systems, Inc. Haestad Methods Solution Center Bentley FlowMaster [08.01.066.00]
511612007 10:44:50 AM 27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA [phone] Page 1 of 1

DISSIPATOR PAD CALCULATIONS
~„ Kimley-Horn
~ and Associates, Inc.
Dissipator Pad Calculation
New York Dissipator Method
Project Information
Project Name: Peakway Village Commercial Parcel
KHA Project #: 012869000
Designed by: RTL Date: 8/6/2007
Dissipator Pad for Bioretention Area Outfall
Discharge (Q): Q = 6.46 cfs
Design Storm Event = 10-year
*Assumed full flow for 10-year storm
see flowmaster report
Pipe Size: Number of Culverts = 1 (Multiple Culverts D=1.25*D)
Pipe Diameter = 15 in.
Pipe Diameter = 1.25 ft.
Velocity: v* = 5.26 ft/s
Dissipator Dimensions: Zone" = 1
Stone Filling Class = Class A
Entry Width (3 X Do) = 3.75 ft USE: 4.0
Length (4 X Do) 5 ft USE: 5.0
Width (La + Do) 6.25 ft USE: T.0
Min. Thickness = 12 inches
4
ft
ft
ft
'.0
All units are in feet

DISSIPATOR PAD CALCULATIONS
~~„ Kimley-Horn
~ and Associates, Inc.
Dissipator Pad Calculation
New York Dissipator Method
Project Information
Project Name: Peakway Village Commercial Parcel
KHA Project #: 012869000
Designed by: RTL Date: 8/6/2007
Dissipator Pad for 42" Culvert
Discharge (Q): Q = 103.09 cfs
Design Storm Event = 10-year
*Assumed full flow for 10-year storm
see flowmaster report
Pipe Size: Number of Culverts = 1 (Multiple Culverts D=1.25*D)
Pipe Diameter = 42 in.
Pipe Diameter = 3.50 ft.
Velocity: v* = 10.46 ft/s
Dissipator Dimensions: Zone = 2
Stone Filling Class = Class B
Entry Width (3 X Do) = 10.5 ft USE: 11.0 ft
Length (6 X Do) 21 ft USE: 21.0 ft
Width (L + Do) 24.5 ft USE: 25.0 ft
Min. Thickness = 22 inches
1
~.0
All units are in feet

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i'E SIDEWALK:
5=6945sf=0.15
~-
ONSITE SIDEWALK:
11241f'5'=5620sf=0.13 ac
C~'''~`
~~,.~. ~~ _s 1~ G.. , 0.3 i
L~~ r~

k ~~ __ T19 f~ R~Ap T~ E
~ ST E
s 20' ~ _~~-~_~_
-\ ~" B OF ER P ~ ~`~`"~
...-,
~ / ~~,~. ORIGINAL X ~ ~ "° ~
/ `/ - /~'`.~ LANDSCAPE AR '
' i ! /J•., '~ ~'~ (323 SF, 0.0074 AC~ ~ ~ _
,f /' %~;%' '• ETLAND soMn uo~ -'
;~ ~ t N ~-.~....... -
/y~` f.,
ls. / PROPOSED (60'X120')
) ~„~ f~ ' f 21,600 SF ~H
/~ PROPOSCD 3-STORY OFFICE
~ / \ ~LINGR ~VETLAND'~ STORM DRAM BUILDING /
.r'~ /`~\ Jam.
`C2 ,/~'„ ,,,.. '"~ ~~.- '~ ~~ REQUIRED PARKING:
DRY `~ ~ ~"` -.,,, X~; ,,,--""J 1/300 SF a 72 SPACES ~ /
. ~~ j- --~''"~" PROVIDED PARKING: 1r 8
DETENTION '`f /f
POND J 12 83 SPACES ! ~/
/~~ ~ ~ /
~ /il
~:
s. _......,,.,,._._,-~~,.- ~
~,I
~- ~ LANDSCAPE AREA j II
(~D2 SF, 0.012 AC.) f
//// ~ 5 7 ({ 1 / I
~ ~ LANDSCAPE AREA J I I
_ ~ ~ ~~ / ,--/ ~ j ' ~ .. CONCRETE (322 SF, 0.007< ACJ ~! I I
~f/ f ~ I l
/ yf G TURN II
" LANDSCAPE AREA 8 ~ Vd.i9/ /
/ P~-J
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~/ N
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pROPOSED ,Z J 11
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DEVELOPMENT ,r I I /
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~~
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NOTES: (~, ~5
] - IN APEX FOR COMMERCIAL BOTH OFFICE AND RETAIL HAVE THE SAME PARKING REQUIREMENTS.
2. 20' STREETSCAPE BUFFER AND ] 5' STREET YARD BASED ON RECORDED PLAT. ACCORDING TO THE PUD WITHIN COMMERCIAL
PARCEL THERE IS NO INTERIOR BUFFER OR SETBACK.
PEAKWAY VILLAGE -COMMERCIAL PARCEL EXHIBIT A
^=^ 60% IMPERVIOUS COVER
IMPERVIOUS COVER ALLOWED BY PUD 60% DATE: 2-19-07
TOWN OF APEX PARKING REQUIREMENT FOR OFFICE SPACE : ]PER 300 SF DRAWN BY: CRS/JPK
Kimley-Horn and Associates, Inc. scALE: I:so

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Shasta
Screened Porch
T 2'0" x 15'0"
Optional Screened Porch
Square Footage
First Floor 1666 sq.ff.
Second Floor 469 sq.ff.
Total 2135 sq.ff.
Bedroom 4&5 499 sq.ff.
Big Bay 26 sq.ff.
Small Bay 12 sq.ff.
Box Window 7 sq.ff.
Overall Width: 42'0" - F' 2 ~-o ~2^ t „rc ~
Overall Depth: 63'8° ~ ~ °
5 ~'
Windows w/ Comer Fireplace
IrOptional Boxes Deck or
Patio
Optional Bay 15'0" x 10'0'
O 'anal Trey ~; Opiional
i VauEt StanCiardi ~s Window
,o I o,
I ~ Master
p
Breakfast ~~ Com~..;, ! Beciro ~ m
11'0" x 8'4" `
~: Fireplace
114'$' x 1 ~ 0" ~
I
Famil Room
• 15'0" x 19'4`
i ii
IGtchen
'
"
'
" Sitiin
g
1
0
x 11
0 , Optional
'
"
i~ 8
4
x11'7' y; Window
iii
iii
Opfionai Dining (~
Bay 11'0" x 11'0" Wry Stairs Up
Window #
Foyer O 0
® Optional Master Bath
Gara e
OpBox al 20'0' x g0. ~
Window Bedroom #2
~ ~

o ;
t 1'10' x 11'0'

op~aa i i
• ~; '•
Optional Bath
i Optional Box at Bedroom #2
Opfional Bay
Large Master First Floor
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
November 7, 2006

Rivera "B"
Optional
Bedroom
11'0"x9'3"
Optional
Bay Window
~~
~~
1--
._ L
~~
~~
Optional Bedroom
Door with
Side Load
Garage
='= ==~T,
~s~
Study
11'0"x9'10°
~~
Double Garage
2o'o"x2a'o"
Optional
r Door
Square Footage
First Floor 1064 sq.ff.
Second Floor 1190 sq.ft.
Total 2254 sq.ff.
Third Floor Stairs 94 sq.ff.
Third Floor 613 sq.ft.
Width: 40'0" f-~.r~.0 wte~s~~~~
Depth: 43' 1 i ° ~ U ~,
~~
Patio, Deck, or
Screened Porch
18'10"x10'0"
Family Room
18'10"x16'11"
Breakfast
9'2"x11'0"
Optional
Windows
Optional
rv window
?':•!il I
Kitchen
11'6°x12'2"
Dining Room I) M Opflonal
~~ 11'b"x11'0" ;;;Bay Window
+ ~'~ Optional
~' Porch Full Porch
7'6°x4'0" 11'10"xb'0"
~ Windows with Side Load Garage ~l
~ First Floor
~ocanon ~
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
October 4, 2006

`
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~ 1 A07 ACRES
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a a
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h 5,214.6 SQ. FT. S v
W ~ '4,432.a sg.F1'. ~, ~ O _~~ ~ s, C
N BT13'0 " W t 4.b9' .. S 7' '73` 64' ~'" ~ W~~~4 ~ .
o x,: ~ ~ ra
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~ o a 0.121 ACRES o H $ ®~ ~ ti~
~s,2s4.7s . rr. ~ fANDSC11PE0 nz7 ACRES
a $ f2 ; 4112 ACRES ~ g CON6fON5 AREA 21,7643 SQ. FT.
M ff 'o - w to N 490.1 SQ. F7: ~°-' ,~ s ar52'7Y E 7f78.7f3'tTOTAL)
Stwlt ik ® ~ 587'82 ?3 E 98. •~ . a 49. N ~
o ~ O.I22ACRES zv Wl'' ® (73 } $ zz ~a (~t } Aj ~
d s 5,2949 SQ. ~7. ° 0.112 ACRES (u ~ "' `~ ~ $
~ N ~ 4,862.4 SQ.1<•1'.`-~ g ~ ~ ~ ~ ~ w
E D a1.L 1 °H371 0 >T ...~.~ 7 ~ O~ ~ ~ Got ~ of ®® s!~ m
. 10 0.120 ACRES ~ r c ® o N~~ ~ ea®~ ~Q®t qn ~i foJo
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0.128 ACRES T.4A P1JBL~ ^N ffT52'1} W 275.73' TOTA!) C 4 ~
S 75_4 SQ. F7. °~~ ^ 70'X70'
°% !7 0`~ ~~~ ' Ol0 PROPERTY 11N4~`~~iut~CcE
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n W ~ ; C7 N 8T5 't3' W~p 28 85~(TOT ~
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82.00' 83.27 50.00' 50.00' ~ 50.00' SO.DC 50.00' SS~~
N 8TS2'f ` W 469. {TOTAL)
UN06TURBEO AREA ~~ ~ ~ ~ ~ _
a ~
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N 8T50'54" W 724 81'(TOTAL)
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I AMHERST StTBD1VISJON Y
PHASE THREE
M.B. 2000 PG.2148 SCALE 1 = 80
i~~~Y. 0 f30' t 60' 240'

Shasta
~~
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Elevation `A"
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WWW.ROYALOAKSBG.COM

Shasta
Square Footage
First Floor 1666 sq.ft.
Second Floor 469 sq.ff.
Total 2135 sq.ft.
Bedroom 4&5 499 sq.ff.
Big Bay 26 sq.ft.
Small Bay 12 sq.ft.
Box Window 7 sq.ft.
Overall Width: 42'0"
Overall Depth: 63'8"
~1~
Windows w/ Comer Fireplace
IrOptional Box-' Deck or
Patio
Optional Bay 15'0" x 10'0"
Optional Trey ;;;Optional
,_ ;Vault Stanijard~ i"• Window
IV~aSt~r
3i P iOrrgl',O;• ~
Breakfast Si Corner ~'.,,~ '• Bef~rof~m
11'0" x 8'4" ; Fireplace 14 $ x 1 0" j
i
Fami~r Room
-' 15'0" x 19'4" ;~
Kitchen Sitting
1'0" x 11'0' :~: Optional
;, 8'4"x11'7" ` Window
ii
iii
iii
Optional Dining ~ ~
Bay 11'0" x 11'0" aun ry Stairs Up
Window l O
" Foyer
.~. ~.
® Optional Master Bath
Gara e
OPBox al 20 0 x 2g2 0" ~
Window Bedroom #2
__ 11'10" x 1 ro"
r- i
i f
optional ~ '•~` ~ Optional Bath
~O°` ~ ~ t ` Optional Box at Bedroom #2
Optional Bay
Large Master First Floor
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
November 7, 2006
Optional Screened Porch

Shasta
Square Footage
First Floor 1666 sq.ff.
Second Floor 469 sq.ft.
Total 2135 sq.ft.
Bedroom 4&5 499 sq.ff.
Big Bay 26 sq.ff.
Small Bay 12 sq.ft.
Box Window 7 sq.ff.
Overall Width: 42'0"
Overall Depth: 63'8"
Bedroom #
11'0" x 12'2"
Bedroom #4
14'8" x 11'7"
Second Floor
Playroom
20'0" x 9'0"
Study
Storage
earoom ~
11'10" x 12'5"
~~~ ~___
optional Second Floor
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
November 7, 2006

Shasta
r ~....,.ac...... ..ro,
Clevnti~n "R"
GIriV~.111V1 t V
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
November 7, 2006

Rivera "B"
Front Elevation
/ ~~~ ry~~ ~
f
y K F ~. +y'~nR '~
6t;
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,...
fttsil~fsrss;f.;se.taf~ L!_C`.
WWW.ROYALOAKSBG.COM

Rivera "B"
Square Footage
First Floor 1064 sq.ft.
Second Floor 1190 sq.ft.
Total 2254 sq.ft.
Third Floor Stairs 94 sq.ft.
Third Floor 613 sq.ft.
Width: 40'0"
Depth: 43' 11 "
Optional
Bedroom
11'0"x9'3"
~~
Optional Bedroom
Optional
Boy Window
Study
11'0"x9'10"

Patio, Deck, or
Screened Porch
18'10"x10'o"
Family Room
18' 10"x16' 11 "
Double Garage ____
2ao"x2a'o" ------
Door with
Side Load
Garage
Optional Up
DO°r Foyer
r-------------------------------
-~ t
'~~' Porch
II ~~~! rb"xa'o"
H
Windows with Side Load Garage I
® -------
First Floor
Optional Garage Door
Location "B"
Breakfast ~:`~~x
Ki
9'2"x11'0" ~'•'• Optional
Optional ~' i;i Bay Window
Windows"`• ,
~'c%'
. I Kitchen
11'6"x12'2"
Dining Room M Optional
~; 11'6"x11'0" .;.Bay Window
~~
.~ _~
Optional
Full Porch
11'10"xb'o"
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
October 4, 2006

~1Vera ~~ B»
Optional •;T,;• Master
Window ~~~
Bedroom Bedroom ;
13'b"x15'0" 11'0"x11'4°
Optional
Window
~ ~J Down -,
®p i
Master ___
--
Bath '~--------,
~droom #3
11'10"x11'4"
Closet I 1 \A/
.------------ ® V
Bedroom #2
pen to 11'6"x10'8"
Storage Foyer
Second Floor
~ Mechanical
4'8"x7.8"
Bedroom #5 ~ Bedroom #i
12'8"x14'8" 15'2"x14'8"
Down
__________________wR___ _y_ ________________
-~ Third Floor `A"
___ _ ____ _8_'_0"x_4_'b_"__ __ _
Bonus Room 1 o'8°x8'o"
20'0"x14'8"
Down '
-------------------------~_ r----'- ------ -
Square Footage
First Floor 1064 sq.ft.
Second Floor 1190 sq.ft.
Total 2254 sq.ft.
Third Floor Stairs 94 sq.ft.
Third Floor 613 sq.ft.
Width: 40'0"
Depth: 43'11 "
~~
4'8"x7'8"
® ,
b
3edroom #5 ' Bedroom #~
12'8"x14'8" 15'2"x14'8°
Down
-------------------~--- -a- ---------------
Third Floor "B" .~
---------------------- --------- ------------
Bonus Room 11.6"x7.8°
20'0"x14'8"
Down '
Third Floor "C" Third Floor "D"
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans mcy vary With selected elevaticns. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
October 4, 2006
Optional Third
Floor Stairs

Rivera "B"
Front Elevation
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
October 4, 2006
Front Elevation with Full Porch

Hatteras
.~~~-,-~
I
Optional Fireplace at
Family Room
---,
u
Optional Box Window
at Breakfast
Sitting Room
l rl o°xl o'o°
Optional Sitting Area
Second Floor
Square Faotage
First Floor 1053 sq.ft.
Second Floor 1146 sa.ft.
Total 2199 sa.ft.
Optional Attic 702 sq.ft.
Optional Box. Window 24 sg.ft.
Width: 42'0"
Depth: 43'0"
Family Room
19'0"x15'0"
Optional
Workbench
Double Garage
20'5"x21'2"
droom #4II Bedroom #
10'7"x10'0" 11'0"x13'6"
00
r--,
,~
,;
I
L...:
Bedroom #2
• 12'4"x10'4"
Optional
Door
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
November 29, 2006
Patio or Deck
1 s'o°x12'o"
i
,
Kitc en
10'10"x14's"
Breakfast
11'4"x8'0"
Dining Room
12'0"x14'0"
u ~P
~~ Foyer
i Optional Porch
11'8"x6'5" ; ; Porch
u-_-------- ---------
First Floor
Master Bedroom
17'0"x13'0"
Master
Bath 0
~ Open to
Foyer
Closet Below

chestnut 2100 Square Footage '
First Floor 865 sq.ft.
Second Floor 1268 sq.ft.
Total 2133 sq.ft.
Bay Window 20 sq.ft.

Patio or Third Floor 1 &2
Third Floor 3 410 sq.ft.
364 sq.ff.
Optional Deck width: 47'0°'
1 a'o"xl o'o° Depth: 38'4"
Optional Patio V
or Deck Location Breakfast
la'o°x12'a" loo"xlro" ;Family Room
n...e.,....~. 13'8"x15'9"

-- _~,
~ .
Double Garage Kitchen ~ _____
22'4"x22'4" 12'4"x12'4"
Optional __ ---------"' ~p
Door

. '
;;
Foyer

~ ~r ~ Dining Room
~~ 12'4"x13'0"
Porch
Door wffh 11'4"x6'0"
Optional
Side Load (!
Garage Windows with Opfional Optional Bay
Side Load Garage
First Floor
Bonus Room
14'8"x14'8"
Closet
Second Floor
Bedroom #2
lo'b•x12'o" :Bedroom #
10'6'x12'0"
Master --~
Bedroom closer
12'4"x13'o"
Optional Bay
optional Stairs
to Third Floor
All sizes and dimensions are approximate. All features, design and prices are subject to change
without notice. Floor plans may vary with selected elevations. Cut Sheets and or Brochures are
only to be used to indicate locations of upgrades, their purpose is for marketing representation only.
October 4, 2006

Design Controls
RESIDENTIAL
Acreage: 7.0 acres +/-
Density: 8.0 dwelling units/acre
Total Number of Units: 56 units maximum
Maximum height: 3 stories
Minimum setback requirements for single-family detached:
Front yard: 10 feet where no parking in front, 18 feet where parking in front
Rear yard: 0 feet if alley, if no alley 10 feet
Side yard: 3 feet
Corner yard: 5 feet
From RCA (Cameron Park and Amherst) 10 feet
Minimum lot size: 4,000 square feet
Townhouse requirements:
Minimum building separation: 10 feet
Minimum lot size: NIA
COMMERCIAL/OFFICE/INSTITUTIONAL (MIXED-USE)
Acreage: 3.5 acres+/-
Minimum Lot Area: N/A
Minimum Lot Width: N/A
Minimum Front Yard: 10 feet
Minimum Side Yard: 15 feet
Minimum Rear Yard: 20 feet
Maximum Building Height: 3 stories. Certain architectural elements may
surpass this height limit, such as spires, clock
°~~~-~.--..-._. towers, etc.
Maximum Build Upon Area: 60%
Floor Area Ratio:.. ~ 2.0:1
Buffers and Streetscapes: All buffers and streetscapes are as identified
on the PD-PUD Plan
Maximum Building Square
Footage: Maximum 40,000 square feet for both commercial and office and
institutional. Maximum 15,000 square feet for commercial.
Maximum of 18 residential units: Any residential unit in this area will part of a
mixed-use building and be no closer than 300 feet from Cameron Park and 400
feet from Amherst.
Architectural Standards
Residential Design Requirements:
Foundation/Structural: All units shall be constructed with crawl space or turned
down concrete slabs with foundation wall.
February 3, 2004 Approved PD Plan

~T THE SUBDIVISION PLAT SHOWN HEREON HAS
'LY WITH THE SUBDIVISION REGULATIONS FOR
A, WITH THE EXCEPTION OF SUCH VARIANCES,
ANO THAT THIS PLAT HAS BEEN APPROVED BY
OR RECORDING IN THE OFFICE OF THE REGISTER
:OUNTI'.
--------------------
SU NISI N ADMINISTRATOR
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AREA RESERVED
FOR FUTURE
DEVELOPMENT
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m
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o
C2 08'17 42 45.00 6.52 3.26 6.51 N .x-1'35,12 E
C3 49'48 50 45.00 39.13 20.90 37.91 N 02'31 56 E
C4 42'01 33" . 45.00 33.01 17.29' 32.27 .S 43'23 21 E
CS 49'07'53' 45.00 38.59 20.57 37.42 S 88 58 10 E
C6 06'.01'11' 50.00 5.25 2.63' 5.25' N 69'28 27 E
C7 19'38 48 50.00 17.14 8.66 17.06 N 82'18 27 E
C8 90'39 08 25.00 .39.55 25.29 35.56 S 42'32 39 E
C9 90'00'00" 25.00 39.27 25.00 35.36' N 4T46 55' E
C10 90'00'00" 25.00. 39.27 25.00' 35.36' S 42'1305 E
C11 84'09'46" 25.00' 36.72 22.57 33.51 S 35'11'47 E
C12 04'06'11 525.00 37.60 18.81' 37.59' N 04'50'01" E
C13 02'47 59 475.00 23.21 11.61 23.21 N 04'10 55 E
C14 97'08'26' 25.00 42.39 28.33' 37.49 N 54'09'07' E
C15 08'38'45' 1305.00 196:92' 98.65' 19fi.73' N 13'34 24 E
C16 83'31 54" 15.00' 21.87 13,40' 19.98' N 51'00 58 E
C17 03'18'32" 15.00 0.8T 0.43' 0.87' S 85'33 49 E
C18 89'40 28 15.00 23.48 14.92 21.15 5 39'04 18 E
C19 06'09'39" 1305.00 140.32 70.23 140.25 N 02'41'06 E
C20 04'33'32' 1320.00 105.03 52.54 105.00 N 04'0813 E
C21 00'30'53" 1320.00 11.86 5.93' 11,86 S 00'0817 E
C22 18'17 29" 1205:00' 384.69' 194A0 383.06 N. 08'45 02 E
C23 90'00 00 15.00 23.56 15.00 21.21 N 44'36 17 E
C24 02'31'30" 15.00 0.66 0.33' 0.66 S 89'07 58 E
C25 87'28 30 15.00 22.90 14.35 20.74 S 44'07 58 E
C26 94'04 50" 25.00' 41.05' 26.85' 36.59' S 29'08'39' E
C27 84'17'04" 25.00' 36.78 22.62 33.55' N 60'02'18 E
E PP

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PPS 6•x437 E
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RESIDENTIAL LOT SE2'BACK5
o~
FRONT 10'l 18' IF PARKING IN FRONT
SIDE 3'
CORNERSIDE S'
REAR 10'
FROM R.CA, . 10'
MAXl~SUM HEIGHT 2 STORIES (DOES NOT INCLUDE
BASEMENT IF PROVIDED.)
STlE DATA:
DUMBER OF LOTS = 36
RESIDENTIAL LOTS = 4.354 AC
FUTURE DEVELOPMENT = 3 I80'AC
UNDISTURBED COMMONAREA = ~ 6b~AC.
DEDICATED R/W OLIVE CHAPEL RD..= 0.334 AC.
DEDICATED R/W APEX PEAKWAY =1.942 AC.
DEDICATED STREET R/W'S =1.660 AC.
MIN LOT 5IZE = 4,000 S¢. FT.
MIN LOT WII2TH = 45.0'
THIS SITE IS IN THE SECQNDARY WATERSHED,
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TOTAL SITE =.1'S~~3TAC
LOT 1: DEERFIELD FARMS
1~- PEAKWAY VILLAGE DEVELOPMENT CO.
1173 CRABTREE CROSSING PKWY
~ MORRISVILLE N.C, 27560
~ M.B, 2004 PG 2369
D.B. 11632, PG. 1640
~' ~ LOT 2; DEERFIELD FARMS
00 ~ ROBERT E. SEYMOUR III
1001 OLIVE CHAPEL ROAD
~ APEX N.C. 27502
o M,B, 2004 PG 2369 '
~, . D.B. 10216, PG. 2375
LOTS
MB.1986 PG,229
„
I HEREBY CERTIFY THAT ALL STREETS, UTILITIES, ANO OTHER REQUIRED
IMPROVEMENTS NAVE BEEN INSTALLED IN AN ACCEPTABLE MANNER AND
ACCORDING TO TOWN SPECIFICATIONS ANO STANDAR05 OR THAT GUARANTEES
OF THE INSTALLATION OF THE REQUIRED MPROVEMENTS IN AN AMOUNT
AND MA ER SATISFACTORY T T TO OF APEX HAVE BEEN RECEIVED.
DA 777 SU IVIS 0 ADMINISTRAT
cro~R of Pue~.lc woR -----
NEIGHBORS
W000 FENCE
-~ ~ I ~ NEIGHBORS
W000 FENCE
~~-~t ~ 5
PROPERLY LINE
100.10' 85,60'
i rte.
I ~~ NEIGHBORS

FUTUAPEXO R/W I 1
^ 1
~` ~ I ~` ~ WOOD FENCE
ENCROACHES
BY 0.68'
PEAKWAY
AMNERST SUBDIVISION
PNASE TWO
M.B. 1998 PG.1167
LINE BEARING DISTANCE
L7 N 35'42 02 E 36.00
L2 N 65'10 29 E 38.62
L3 N 36'42 40 E 41.26
L4 N 20'34'15 E 49.88
LEGEND:
O = EXISTING IRON PIPE
• = NEW IRON PIPE
-A- = COMPUTED POINT
N/F = NOW OR FORMERLY
R/W = RIGHT OF WAY
PP = POWER POLE
LP = LIGHT POLE
-E- = OVERHEAD ELECTRIC
D = STREET ADGRESS
T.O.A. = TOWN OF APEX
Fd.C.A. = RESOURCE 'CONSERVATION
AREA
REFERENCES:
1. PIN 0732.16-82-9864
2. PIN 0732.16-82-7521
3. M.B. 1986, PG. 229
4. M.B. 2004, PG. 2369
5. D.B. 11632, PG. 1640
6. D.B. 10216, PG. 2375
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F+i

I, RUSSELL K. ELINCBURC, PROFESSIONAL LANG SURVE OR NO. L-3414, CERTIFY TO ONE
OR MORE pF THE FOLLOWING AS INDICATED THUS, ~ OR ~ ;
IFY THAT THIS MAP WAS
FROM AN ACTUAL SURVEY K A. THAT THIS PLAT IS OF A SURVEY THAT CREATES A SUBDIVISION OF LAND WITHIN
THE AREA OF A COUNTY OR MUNICIPALITY THAT HAS AN ORDINAN

DIRECT SUPERVISION ) - CE THAT REGULATES
PARCELS OF LAND;
IN BOOK_~- PAGE____);
.S CALCULATED BY LATITUDES ot,,... G .
--'~"~'~_ ~••_ w
p
L
S
3414
(L
'
±_; THAT THE BOUNDARIES ~_ _________~
,
.
.
)
-
3ROKEN LINES DRAWN FROM
~- PAGE______; THAT
:ORDANCE WITH G.S. 47-30
S 8TH DAY OF SEPTEM8ER,2004. I HEREBY CERTIFY THAT THE SUBDIVISION PLAT SHOWN HEREON HAS

__P.L.S. 3414 (N.C.) BEEN FOUND TO COMPLY WITH THE SUBDIVISION REGULATIONS FOR
APEX, NORTH CAROLINA, WITH THE EXCEPTION OF SUCH VARIANCES,
IF ANY, AS ARE NOTED AND THAT THIS PLAT HAS BEEN APPROVED BY

~" THE TOWN OF APEX FOR RECORDING IN THE OFFICE OF THE REGISTER
•~,~ OF D ED OF WAKE COUNN.
` D~ ~~~~
SU NISI N ADMINISTRATOR
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OUFF£~"•. 4.7,3" ~ ~`~.
~
CURVE DELTA ANGLE RADIUS AR
C1 32'57 39 50.00 28
C2 08' 17 42 45.00 6.;
C3 49'48 50 45.00' 39
C4 42'01 33' 45.00 33
CS 49'07'53" 45.00' 38
C6 06'01 11' 50.00 5.i
C7 19'38 48' 50.00 17.
C8 90'39 08 25.00 39.
C9 90'00'00' 25.00 39.
C10 90'00 00 25.00 39.
C 1 1 84'09 46" 25.00 36.
C12 04'0611 525.00 37.
C13 02'47 59 475.00 23.
C14 97'08 26' 25.00' 42.
C15 08'38 45 1305.00' 19E
Ci6 83'31'54 15,00' 21;
C 17 03' 18 32 15.00 0.8
C18 89'40 28 15.00 23,•
C19 06'09'39' 1305.00 14C
C20 04'33 32' 1320.00 105
C21 00'30'53" 1320.00 11.1
C22 18' 17'29 1205.00 384
C23 90'00 00 15.00 23.:
C24 02'31 30' 15.00 0.61
C25 87'28 30 15.00 22.<,
C26 94'04'50 25.00 41.(
C27 84' 17 04' 25.00 36..
~ x.10 X70 6~ ~ Li ~,`
(1001 GU1•WIR~ •_-~,t~ ~~ TRIANGLE I OLO PROPER R/W (pUe~ !L O~ ~•,~ ~~ .
~ J ` ~`` ~ ~a _ ~ L1Ne ~ ~+ ~ phi p1
{' ml SIGN N ~ ,...E 1 ' 9" 1 ~...~ Li
EASEMENT ~~ -~..= Tq 6...I;,...,. 9 ,
2"39{! ITE1~1~C ~~ ~{: N~_ ' 7 1,1• y (CI N s4. '~~
r-•. ~, ~ 104;118.7 SQ. F7', / _ ,,.
O1'
1 $~ ~ w`. , ~ 7 ~ OF/Ol® CENTEaI/~.
(991 (^ (.(~MMON AREA. ~~ ,. ~ J6y,33, JW PfgkWAY CkAPfI
~. / ~ I 50' STREAM ~--'^.___.... ... ~'~ W \ ~ E~
BUFFER ao (T~1'FI(NADL) ` p N aO ~~ ~~rs CONTROL
` ~ ""~- ~ ~ W o ~ ~ '\ CORNER
10'X7 '
S
o ~ RCA AREA ~` y~~ ~ ~~ 7RIIANGLE 1 PF PPS
OPEN `~ \ ~~'. I:007ACRES 1 w ~ I GUYWIRE G2~
SPACE .~.~ a 43,877.0 SQ, FT. ~ WETLANDS / ' ^, N
~- ~ 20' T.O.A. PUI BUC / • ~ ,~ q3
~ /
~" {; ~ ANITARY SE ER EASEME N RESIDENTI
) / <E
~ ' ~o ~ FROA
+~ wErLANDS !`~; SIDE
~ S 87.13'05" E 99.07' ~ '
('~ 1 ~ ~ J ® ~' l ~ ~ ~ CDRly
98 '` 0 0.114 ACRES o ~ ~ ';
~. / ~. ...- / ~ ~ ^~ REAR
° 04,973.5 S ° ~' ' ~ FRONJ
I ~ Q• ~ ° ~° ~ ~ . •~ 1;,97 ACRES ,.~--
` N 8713'05" W ~ COMMON AREA ,~ 69,562.2 SQ. FT. ~~' I MAXIM
99.87' ~ C.j
~~ I "~ S 8713'05" E 100,00' 3 AREA RESERVED /~'
0.115~ACRES b FOR FUTURE
w ® DEVELOPMENT
fit, ; ~ OS,013,7 SQ. ~', o°' ;r, o° O.IIS ACRES ~a /h ~ ' SITE 1
_ ~~ I ~ N s,ooo.o sQ. F1: 36 ~~ ~ / I NUMB
__ E . N 713'05" •* N I RESID
w 1 oo.6s' °
~ I ® tv S ST13'0 55.00'
55 00 100.00' ~ S 7'13'05" E ~~ FUT'U.
,.-, ~ 0 0,116 ACRES b Z 50. 0
9 ~ ~` Z ~ 0 S,OS3.9 SQ. F7; ~ o ss S 34 ~ g .~ " ~ I UNDI:
0 39
!4~ ~ w N 8713' S" W 101.48' ~ ~ ~ ~ ° I oo DEDIC
~1 ~ ~ ~ ~ ~ ~° DEDI(
r ~ _ ^~~ ~
~„~, I o 0 0.117 ACRES 4 ~ Q a 0 ~ e `' ~ ~ O1 DEDIC
~' u°, 5.094.1 SQ. F1: o ~ ~ e ~ ti c ® ~ h o ~ ~
°'` ~ ~ o '•{ ~ ti o ~• ~ o ° ~ ~' ~ I MIND
Iq~~,` N 8T 13'05° W 102.28' J ~ h ONLY ° ° h o o ° ~ MINL.E
~I ® ~ C'ip 30.00' ~ 50.00' y 50,00' y OLD PROPERTY LINE / ( ~ THIS S
aN,• I o S 0,118 ACR!/'S o~ ~ ci N 8713'05" W t 47.86' I h,
~' in o 0 o c ~ 10'X70' 277.J~6'(TOTAL) 16
.. _.._- ----.. TOTAL
:SERVED ~~ °' '~ 5,134.2 SQ, FI', ~ ~ Q,, ~ SIGHT T,O.A PUBLIC THIS IILE 1~ , G 10'X70' v ~
' OWNER !`?~ I N 87'13'0 W 103 09' ~ O n' TRIANGLE DRAINAGE I , T4P TR~L • N ~ ^
EASEMENT 5A R/W (PUBLIC) SIGHT i ~ LOT 1.
`~° S 8713'05" E II ) TRIANGLE ~
N`
' 3 ~ G~ 73.63 < 49.00 2491.00 (TOTAL C, ;7 / .~
o, 0.119 ACRES b
0 6
o u°~ 5,174.4 S o v' 'R ~• $ o° 49,00 0,62'
1.. ® ~ ~
zl ~ ~ b ~2J 0.117 ACRES `" " ~ ~ ~ o
I .~. N 87'13'05" W 1 ~ N V Ot o 0
;) I ~ ~ 03,89' 1V !1.r '~~ 5,07 Ol ~n G2~~' I , ~ In
o o ~j ao o ti.l SQ. F7: N `'~ C~ o c~
,~ ¢ io ® ~ S 75'13"E 9 4, o ~N~ Q`'~ ~~~" VCV ~ I y~I ' ~
' -- ~' o w o 0.120 ACRES a ~ 3 ~ ~ ~ `~° ~ 3 op ° ~ `' ~ ~` , ^ ii
3 N J ~ ~ > ~ ~
~~ ~ a w ~° OS,214.6 SQ. F7: o°' a o° 0.113® ES o ~ ° '''i ~ o ~' N o ^t' ~ a q U o LOT 2:
~: ~ ~ N 'n a o 4,932.0 SQ. Ff, 27 c ~ a h o h 'o o `~' ,- j ~ ( ;~ O{ ~ ~. ao -
1 it o 0 8T13'OS" W 104,69' .•~.•'O N c 29 30 0 31 to h 1 ~ ~ I I~ t~ J M
~,, I z cv ® ~ S 87'52'13" E 98.64' ° O 0 0 32 W m "5 ~i ~_ '~
7 s~ o ~, 0 0.121 ACRES o 0 0 ~ 4 as cn m
;1 ° ° OS,254.7 SQ. Fj; q cal o° ® 26 tiro n N' 8713'05'. 49 00' 4 ~ ,^ .~ ~ ~,
14 z ~ o °p N W 196.09 (TOTAL ~ uvi '° 0 0 ~'~ ~ '
3 0. 0,112 ACRES = 'N LANDSCAPED 0; ~ n ,
~; N 8713'05" W 105.5 ~ c •~~, COMMONS AREA 220 ACRES;.;;.. UT
4,890.1 SQ, FT, ° $ 11,764.3 SQ, FT, W o ~ ° I I.(3T 3
~, 0,~`q '® h ,~ r; S 8752'13° E 198.78 `(TOTAL) ~ ~^ ~~w MB.1986PG.2
0 I S 8752' 13 49.78
0 0 0.122 ACRELS o ~ E 96,96' 50,00 50.00 n ~ ~ o I `'' ~
1~ 1,hLv; ~ 9 5,294.9 S o ~ ° ® 0 a 0 49.00 ~ I
° $ ,n 22 0
Q• FT• ,r, i° oo' 0.112 ACRES ~ ~ °• ° ~ n ~ ~ ° ~ I HEREBY CERTIF
I WOOD N 87' 13'05" W 106. ~ 4,862,4 S ZS o 40 0 ° 21 '~' O w o°,
~ .~'~~ !, 1/ & WIRE Q•Fl. u~ -- ~ -- o ° ~ o~ d CCORDINGN 0 T
A "ii FENCE ® ° S 8752'13" E 7.53' ~~T• ~ ; ~°; `:_:w I a ° ~ ~ OF THE INSTALLA
(n'P') o !0 0,120 ACRES ~ n p~ ^ V p{ n ~ ~ 3 ~ ~ 3 ~ E~ A W I ~ ~ AND MA ER SA1
ml ,°~ OS,209.2 SQ. F?: vNIQ'-o ® v '~ 'O _ .r ~ ~ dn. V ~ n U Ot ~; , r„
x '? 3 ~~~_
0,109ACRESO ~ ~a©~ Noo~ a Noo'®on ~^ miJ I DA~E
N 8713'05" W 95. 2' ,~ 4, 53.1 SQ. F7: ° C `~ o '~'• N o '~' `^ ~ ti ~ ® col :.co ""I',. r.
al G \ r,
® V7 h ~ O N O W N I I `
.~ ~~ 7z.e1' so.oo' ~, ° ~ w w ~
0.128 ACRES ~ rn 50• ~' ~' 50.00
S 575.3 S T.O.A. PUBLIC N 8752'13 W 275.73' TOTAL) ti~ "~
Q• FT• DRAINAGE ' G
"I 11 EASEMENT C .4 y `~ NEIGHBORS
I rn X00 05 ~ I I .WOOD FENCE
I' ~' OLD PROPERTY LINE '10'X70' II
S 692615 W ~ C C7 33.19 N 8T! '13" Wr 283.85'(TOTAL) f RIANGLE
;, so.oo ~
.N ~ ~ ®~~~ . ~ o e.~ (r oo, c.~ b 50.00 ~ 50.00 50.00 50.0p Pe'S, c" ~ J
} ~ ~ ~ AG ati (~, ~ ~ ~'L o W ~ ~ t~ ~y' °'. S~ rn ~ 0.6 m 150' RCA
,CE ~~o~ 4•y`L~~SQ' ~ ,~~ ~ ~ 01 ~ U pl rn V ~ ~ W ~ rn ~ ~ ~ ~ ~ o N BUFFER
0 9~ ©Q'r+j~ : d. "1 0 3 hopQ 3 Q~ 3 ~h V OI ~~ N ,o
:} .1_ 1p 12 a ni ~ yn, "' ~ i~ ^v O~ n ^hi c. ~ h ~ ~ ~ ~ ~O ®~ ~. ~ ~ A I -- W
~`I n h O'er on off' n ~ Va• i~ O o, n Co1.- a ~a v ~C~ ~' cn
N h' Zv o o tr o a a o~ c `~ m ~.,_
82.00' h 13 0 14 0 15 0 16 N EV ° '^ ~ la
83.21' ti o 17 N l8 a ' , ,
50.00' a 50.00' ti 50.00' ~^ 19 ° 1, F , NEIGHBORS
+ I N 8752'13" W 469.6 50.Oq' 50.00' y ~ 4 • ~' WOOD• FENCE
r 2 (TOTAL) 5 41 ~ d
UNDISTURBED AREA O'
t~ L ~ N
1 --- -- --.,_ 40 ER
,BUFF
~ ,u...,. ~:,".,xM,.,, 1•A',„TYPE 'A' BUFFER '- -`
... •,
'"" ""°''~'"``"""~`r'• 4 a~. 539.11 ~ s TOLD PROPERTY LINE
....._
,.«,>•.n..w.."„~•,",.,~ „ ,.:`_' ; ~ 100.10'
• N 8750'54" W 724.81'(TOTAL) 85.60
(1901 I "~' ~ --
1911 --- -..
~.. / ~ / I 1921 (1931 I .-_
I \. / I ` / ~ 941 I 1951 I NEIGHBORS
AMNERST SUBDIVISION I \ ~ ~ ~ / ' ' ^^ ^ _ I ~ ~'^1 I ~ ~^~ WOOD FENCE
n v e n n m~ m n., r..,+~....., ..-..

Exhibit Z by H. R. Malcom, P.E.
C. E. Dept, NCSU
Depth-Duration-Frcgvcncy Table Raleigh, NC
Location: -~ Raleigh-Durham, NC
Return Period -~
Duration 2-yr 5-yr 10-yr 25-yr SO-yr 100-yr
(inJ [~J [~J [~] [~J f~J
S min 0.48 0.55 0.60 0.68 0.75 0.81
IO min 0.79 0.92 1.02 1.17 1.28 1.40
15 min 1.01 1.18 1.31 1.51 1.66 1.81
30 min 1.35 1.64 1.85 2.16 2.44 2.64
60 min 1.70- 2.12 2.41 2.84 3.17 3.50
2 hr 1.91 2.40 2.74 3.23 3.61 4.00
3 hr 2.12 2.68 3.07 3.62 4.06 4.49
6 hr 2.65 3.38 3.90 4.62 5.19 5.75
12 hr 3.13 4.02 4.64 5.52 6.20 6.88
24 hr 3.60 4.65 5.3 8 6.41 7.21 ~ 8.00
Intensity-Duration-Frequency Table
Location: -~ Raleigh-Durham, NC
Return Period -~
Duration 2•yr 5-yr ~ 10-yr 25-yr 50-yr 100-yr
[~] [mil [ice] [mil [mil [~J
5 min ~ 5.76 6.58 7,22 8.19 8.96 9.72
10 min 4.7 6 5.54 6.13 7.01 7.71 8.40
15 min 4.04 4.74 5.25 6.03 6.64 7.24
30 min 2.70 ~ 3.28 3.71 4.32 4.80 5.28
60 min 1.70 2.12 2.41 2.84 3.17 3.50
2,hr 0.95 1.20 1.37 1.62 1.81 2.00
3 hr 0.71 0.89 1,02 1.21 1.35 1.50
6 hr 0.44 0.56 0.65 0.77 0.86 0.96
12 hr 0.26 0.33 0.39 0.4b 0.52 0.57
24 hr 0.15. 0.19 0.22 0.27 0.30 0.33
Input Data:
Location: -~ Raleigh-Durham, NC
Duration 2-yr P 100-yr P Soorce
for S < T < 120 min
[m] [mJ 5 169 21
5 min 0.48 0.81 NOAH HYDRO-35 10 195 22
I S min 1.01 1.81 NOAH HYDRO-35 25 232 23
60 min 1.70 3.50 NOAH HYDRO-35 50 261 24
24 - hr 3.60 8.00 USWB TP-40 100 290 25
F-- Data -~j
VI-3

D
Table 8.03b
Runoff Curve Numbers (CN)
Hydr B gic SoC Group
A D
Land Use/Cover
Cultivated land
without conservation 72 g1 88 91
81
with conservation 62 71 78
Pasture land
poor condition 68 79 86
79 89
84
fair condition 49
39 69
61 74 80
good condition
Meadow
good condition 30 58 71 78
Wood or forest land
Thin stand -poor cover, no mulch 45 66 77 83
77
Good stand -good cover 25 55 70
Open spaces, lawns, parks, golf courses, cemeteries, etc.
good condition:
grass cover on 75%
39
61
74
80
or more of the area
fair condition:
grass cover on 50 49 69 79 84
to 75% of the area
Commercial and business 89 92 94 95
areas (85%impervious)
Industrial districts 81 88 91 93
(72% impervious)
Residential:' Development completed and vegetation established
Average lot size Average % Impervious'
65
77
85
90
92
1 /8 acre or less
38 61 75 83 87
1 /4 acre
1 /3 acre 30 57
54 72
70 81
80 86
85
1 /2 acre 25
20 51 68 79 84
1 acre
2 acre 15 47 66 77 81
Paved parking lots, roofs, 98 98 98 98
driveways, etc.
Streets and roads
paved with curbs and
98
98
98
98
storm sewers
gravel 76 85 89 91
dirt 72 82 87 89
Newly graded area 81 89 93 95
Residential: Development underway and no vegetation 97
Lot sizes of 1/4 acre 88
85 93
91 95
94 96
Lot sizes of 1/2 acre 82 90 93 95
Lot sizes of 1 acre 81 89 92 94
Lot sizes of 2 acres
~ Curve numbers are computed assuming the runoff from the house and driveway is directed toward the street.
source: USDA-SCS
~ :-
r
_J

Rev. 17J93
8.03.10

Exhibit 3
national runoff coefficients
C C
Description of surface ASCE, 1975 Malcom
Viessman, et al, 1996 '
Business:
Downtown areas 0.70-0.95 0.85
Neighborhood areas 0:50-0.70
Residential:
Single-family areas 0.30-0.50
6 dwellings/ac 0.55
4 dwellings/ac 0.50
2 dwellings/ac 0.40 .
Multiunits, detached 0.40-0.60
10 dwellings/ac 0.60
Multiunits, attached 0.60-0.75
Residential (suburban) 0.25-0.40
.Apartment dwelling areas 0.50-0.70 0.60
Schools, churches 0.60
Industrial: -
Light areas 0.50-0.80
Heavy areas 0.60-0.90 -
Parks, cemeteries 0.10-0.25 0.25
Playgrounds 0.20-0.35 0.35
Railroad yard areas 0.20-0.40
Unimproved areas 0.10-0.30 - 0.35
Streets:
Asphaltic 0.70-0.95 0.95 ~ us¢.~ C +' o-9S
Concrete 0.80-0.95 0.95
Brick 0.70-0.85 0.85
Drives and walks 0.75-0.85 0.95
Roofs 0.75-0.95 '
Inclined 1.00
Flat 0.90
Lawns; sandy soil:
Flat, 2% 0.05-0.10 0.10
Average, 2-7% 0.10-0.15 0.15
Steep, 7°~ 0.15-0.20
Lawns; heavy soil:
Flat, 2% 0.13-0.17 ~,
Average, 2-7% 0.18-0.22 0.15 7 vsEa 0.2~
Steep, 7% 0.25-0.35 0.35
Wooded areas:
Sparse ground litter 0.20
Deep ground litter 0.10
ASCE and Viessman suggest the above values for return periods of 2-10 years.
For more severe storms, the following multipliers are suggested for C:
Return period (yr) Multiplier
25 1.1
50 1.2
100 1.25
~_`->,
/ j.
~.:::.~"
CopyrightH.R Malcom, 2003 ~S-4J Exhibits