20072022 Ver 2_More Info Received_20080324

Horvath Associates, PA
Civil Engineers • Planners • Landscape Architects
16 Consultant Place Ste. 201 Durham, NC 27707
PO. Box 51806 Durham, NC 27717-1806
[phone] Fax [phone]
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WE ARE SENDING YOU attached via GOU~'11 er the following items:
^ Shop drawings ^ Plans ^ Specifications C~ ! G/y
COPIES DATE NO. DESCRIPTION
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THESE ARE TRANSMITTED as checked below:
C~For approval ^ For your use ^ As requested ^ For review and comment

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41~TLANDS aND STORMWATER BRANCH
If enclosures are not as noted, kindly n y us at once.

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HORVATH
ASSOCIATE S
CIVIL ENGINEERS PLANNERS LANDSCAPE ARCHITECTS
SIERRA
PRE-CONSTRUCTION NOTIFICATION
Horvath Associates Job # 0713
North Carolina Tennessee
16 Consultant Place, Suite 201 537 Market Street Suite LL20
Durham, NC 27707 Chattanooga, TN 37402
p 919.490.4990 / f 919.490.8953 p 423.266.4990 / f 423.266.5700
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Table of Contents
1. PCN Form
2. Narrative
3. Agent Authorization Form
4. Impact Summaries
5. Impact Maps
6. BMP Design Checklists
7. Required Maps and Project Informa#'ic~n
8. DWQ and US Army Corps Correspondence

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PCN FORM

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Office Use Only' Form Version March 05
USACE Action ID No. DWQ No.
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(If any particular ttem is not appncaoic w «~~~ Yiv~c~~, Y,.,u~., ~~•~~_ ~.~~ --rr----~
I. Processing
1. Check all of the approval(s) requested for this project:
^ Section 404 Permit ^ Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: NWP 29
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: Je Radman
Mailing Address: East Durham Land Company LLC _
201 Shannon Oaks Circle
Ralei h NC 27511

Telephone Number: ( 919) 465-3312 Fax Number: [phone]
E-mail Address:
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: John E. Schrum PE
Company Affiliation:
Mailing Address: Horvath Associates P.A.
16 Consultant Place Suite 201
Durham NC 27707

Telephone Number: [phone] Fax Number: [phone]
E-mail Address: john schrum(a horvathassociates com
Updated 11/1/2005
' Page 5 of 13

III. Project Information
J
' 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
r 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 leaps are provided.
' 1. Name of project: Sierra
2. T.I.P. Project Number or State Project Number (NCDOT Only): n/a
' 3. Property Identification Number (Tax PIN): (see attached vicinitymap for PINS)
' 4. Location
County: Durham Nearest Town: Durham
Subdivision name (include phase/lot number): Sierra
Directions to site (include road numbers/names, landmarks, etc.): I-40 to I-540 to Exit 4B
Glenwood Ave / US-70W. After 3.4 miles turn ri ht at Leesville Road continue to 1.2
miles to intersection with Doc Nichols Road. Site ma be accessed via either road main
entrance is <1 mile ahead on Leesville Road left side See attached vicinity map
i
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): 35.947903 °N 78.789466 °W
' 6. Property size (acres): 422.60 acres
7. Name of nearest receiving body of water: Lick Creek (27-11-(1 5)) (WS-IV• NSW CA
8. River Basin: Neuse River Basin NEU01
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at htt~//h2o enr state nc us/ladmin/maps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
', at the time of this application: The site is currently forested undeveloped land. The
surrounding area i primarily rural and suburban residential development.
Updated 11/1/2005
1 Page 6 of 13

10. Describe the overall project in detail, including the type of equipment to be used: The
overall protect will consist of 369 single-family homes and 130 multi-family townhomes.
' Equipment consistent with ~radin~ earthmovin~ and paving well be used.
11. Explain the purpose of the proposed work: The purpose of the project is to provide housing
for homebuyers increase the tax base of the City of Durham and populate this ~rowin~
re ion of eastern Durham.
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
i 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. No prior~ermits have been requested Buffer determinations NBR 06-
135 and 06 136 were obtained from NCDWQ Copies are attached
V. Future Project Plans
' Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
' Future permit requests are not anticipated but may be submitted as part of future phases that
have not et been desi ned.
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.

Updated 11/1/2005
' Page 7 of 13

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1. Provide a written description of the proposed impacts: The proposed impacts include
two road crossings with culverts six sanitary sewer crossings and two_fill slope locations.
Additionally `allowable' impacts are proposed In assoclatlon wrth the bypass channels which
conve flows from gar er storm events from the ro osed BMP's associated with the site.
The impacts will be include stream impacts and Zones 1 and 2 buffer impacts. Miti;;ation
will be rewired for some of the impacts. but are not limited to
2. Individually list wetland impacts. Types of Impacts Include,
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
_~ n_~a:
separat

Wetland Impact
Site Number
(indicate on map) ely Iist Impacts uuc w

Type of Impact uv~u ~«u~~u~., u.... _~~~----

Type of Wetland
(e.g., forested, marsh,
herbaceous, bog, etc.) -b•
Located within
100-year
Floodplain
(yes/no)
Distance to
Nearest
Stream
(linear feet)
Area of
Impact
(acres)

8A Temporary Sanitary
Sewer Forested Yes 0 0.06

9A Temporary Sanitary
Sewer Forested Yes 0 0.214

Tnral wetland imnact (acres) 0.274
3. List the total acreage (estimated) of all existing wetlands on the property: 20.47 acres
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 Average Impact Area of
Perennial or Stream Width Length Impact
Number Stream Name Type of Impact Intermittent? Before Im act (linear feet) (acres)
indicate on ma )
lA Earthquake Creek Road Crossing Perennial 2.5 ft 137 0.008
4C Earthquake Creek Road Crossing Perennial 4.1 ft 158 0.014
1, 2A, 3, 4, 4B, 6 Earthquake Creek Utility Crossing Intermittent 2.2 ft 211 0.010
4D Earthquake Creek Temporary Erosion Perennial 3.2 ft 66* 0.064
Total Stream Impact (by length and acreage) I 572* I 0.096*
*Note: Temporary erosion control stream impacts included in totals on this page, but not an cumulatcve impacts
Updated 11/1/2005
Page 8 of 13

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, dredging, flooding, drainage, bulkheads, etc.
Open Water Impact Type of Waterbody Area of
Name of Waterbody T e of Im act (lake, pond, estuary, sound, bay, Impact
Site Number (if applicable) ~ p ) acres
(indicate on man) ocean, etc. ( )
6. List tl
Total Open Water Impact (acres) ~ ~~~
t„+;.,o ;,,,,,air r., ait watPrc of the iT.S. resulting from the project:
Stream Impact (acres): 0.032
Wetland Impact (acres): 0.274
Open Water Impact (acres): 0.0
Total Impact to Waters of the U.S. (acres) 0.0
Total Stream Impact (linear feet): 506
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.
8. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ®uplands ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.): darn/embankment and excavation
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): 1 year peak flow detention requirement
Current land use in the vicinity of the pond: undevel~ed
Size of watershed draining to pond: Expected pond surface area:
*Note: Basins will be designed with phases and are not included in the scope of this design.
Updated 11/1/2005
Page 9 of 13

VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
' site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. Extensive avoidance and
' minimization techniques arepracticed throughout the site All wetland impacts will be avoided.
Phased devel~ment clusters including single- and multi-family homes are located between
Neuse buffered streams At the road crossings headwalls will limit the length of the culverts,
and the culverts are designed to match the existing stream profiles in order to reduce the length
of the required riprap dissi~ators Jack and bore techniques will be used to reduce the lmpacts of
' utility line crossings All unnecessary crossin> were avoided in desi~nin~ the site.
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 (see DWQ website for most current
version.).
1. Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
' Updated 11/1/2005
Page 10 of 13

description of the current site conditions and proposed method of construction. Please attach
' a separate sheet if more space is needed.
Mitigation will be provided tllrou~h payment-in-lieu pro¢ram with NCEEP (see below).
' 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•1/wlvw nce~ net/pat;es/inlieureplace.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): 295 LF
Amount of buffer mitigation requested (square feet): 7 831 SF
Amount of Riparian wetland mitigation requested (acres): 0 acres
Amount ofNon-riparian wetland mitigation requested (acres): 0 acres
'
Amount of Coastal wetland mitigation requested (acres): 0 acres
IX. Environmental Documentation (required by DWQ)
1. Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) 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 ^
r 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.
Updated 11/1/2005
Page 11 of 13

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' 1. Will the ro'ect impact protected riparian buffers identified within 15A NCAC 2B .0233
p J
(Meuse), 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 ^

Impact Required
*
Zone (square feet) Multiplier Mitigation
1 '7,g31 3 (2 for Catawba) 23,493
2 0 1.5 0
Total 7,831 23,493

* 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 oi'Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260. For the mitigation required payment into
the Rl,_paxian Buffer Restoration Fund is proposed (see attachedl Miti>7ation includes im acts
from utilit lines arallel to the stream that encroach on Zone 1 Meuse buffers.
' XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
i 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. There is no existing impervious area. Proposed
maximum built-out im ervious is 24% of 422.60 acres which is 101.42 acres. All Stormwater
discharges will be diffuse flow and peak~ost-development flows will match pre-development.
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.
Sewerage generated by the proposed project will be piped to the City of Durham sanitary sewer
s stem and treated.
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
1
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
' Updated 11/1/2005
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^
XI'V. 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
htt~//h~o enr state.nc.us/ncwetlands. If no, please provide a short narrative description: The
project will include future phases that have not been designed vet but the future phases will use
the current proposed road crossings for access thereby avoldln~ future lmpacts.
X~I. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
n/a
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A plicant/Agent's Signature D to
(Agent's ature is valid only if an authorization letter from the applicant is provided.)
Updated 11/1/2005
Page 13 of 13

'4
NARRATIVE
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SIERRA
PRE-CONSTRUCTION NOTIFICATION
SECTION 401 /404 PERMIT AND
NATIONWIDE 29 PERMIT APPLICATION NARRATIVE
SIERRA
Doc Nichols Road and Leesville Road
Durham, North Carolina
Horvath Associates Project No: 0713
January 8, 2008
Revised March 19, 2008
Prepared for: MacGregor Development Company
201 Shannon Oaks Circle, Suite 201
Cary, North Carolina 27511
[phone]
Prepared by: Horvath Associates, P.A.
Engineers -Planners -Landscape Architects
P.O. Box 51806
Durham, North Carolina 27717
[phone]

' SIERRA
' PRE-CONSTRUCTION NOTIFICATION
SEC710N 401 /404 PERMIT AND
NATIONWIDE 29 PERMITAPPLICA710N NARRATIVE
General Description
Sierra is a proposed 422.60-acre subdivision located between the northeast
intersection of Doc Nichols Road and Leesville Road and the southeast corner of
' Doc Nichols Road and Olive Branch Road in Durham, North Carolina. It will
consist of single-family homes and town homes and is zoned PDR 3.0. The site is
located along Earthquake Creek and is located in the Neuse River Basin.
' Earthquake Creek is classified by US Army Corps as a perennial stream, and the
majority of its tributaries on the site are unimportant intermittent streams.
This project is a phased design. Construction-level design documents are being
reviewed by the City of Durham for only the infrastructure construction, including
Athena, Atlas, and Bowhall roads. Phased pods of single- and multi-family units
will be designed at a later date. However, this permit application will address
the impacts created in the anticipated built out condition.
Application Revisions
North Carolina Division of Water Quality issued a request for more information
related to this application. NC DWQ requested aperennial/intermittent stream
determination and the result of the determination changes the intermittent
stream crossing to perennial. The result is that both proposed road crossings
affect perennial streams and the impacts to perennial streams therefore exceed
150 If. The Pre-Construction Notification (PCN) has therefore been modified and
mitigation is now proposed. Given that mitigation is now required, the North
Carolina Ecosystem Enhancement Program (EEP) has approved 590 credits of
stream mitigation. It is important to note that the proposed stream mitigation is
' approved for hydrologic unit `Neuse 03020202' (HU N02) instead of `Neuse
03020201' (HU NOl ). EEP is currently not granting stream mitigation credits in
Neuse 03020201 due to the cost of mitigation verses their approved mitigation
' fee.
Sierra subdivision is therefore requesting 295 If of stream mitigation. The fee for
HU N02 is currently $244/If and the proposed mitigation fee is therefore $71,980.
Additionally, the buffer impact fee request has changed. The revised impact
approved by NC EEP for mitigation is 9,603 sf, which represents portions of buffer
impact where the sanitary sewer system encroaches Zone 1 of the Neuse buffer
and is parallel to the Neuse Buffer. This is the only form of buffer impacts on the

site that requires mitigation. Given that a 3:1 mitigation ratio is anticipated,
buffer mitigation credits total 28,809 sf. The mitigation rate is $0.96 per square
foot. Upon accounting for recent site plan changes, it was determined that the
actual buffer impact for parallel sanitary sewer is 7,831 sf. Given the 3:1 ratio,
the mitigation requirement is 23,493 and it is proposed that a payment of
$252,553.28 be paid to the EEP.
Pre-Construction Notification Narrative
(This narrative follows the structure of the attached North Carolina PCN
Addendum.)
Section 1: Processing
The permit under consideration is a Nationwide 29 Permit, administered by the
US Army Corps and a 401 /404 Water Quality Certification issued by NC DWQ.
Mitigation is required only for Zone 1 buffer impacts where utility lines are parallel
to a stream; payment to the North Carolina Ecosystem Enhancement Program
(NC EEP) is proposed. Acceptance into the In-Lieu Fee program has been
obtained, and the acceptance letter is attached. Other buffer impacts include
those associated with areas where the proposed connector road crosses the
intermittent and perennial streams and the bypass channels associated with the
nutrient reduction facilities. The nutrient reduction facilities are primarily pocket
wetlands and they are chosen instead of level spreaders because of steep
slopes on the site.
Note that the Nationwide Permit #29 has been issued for this site by US Army
Corps. This permit is included under `Previous DWQ and US Army Corps
Correspondence'.
Section 2: Applicant Information
The applicant, East Durham Land Company, LLC, has authorized Horvath
Associates as their agent with an agent authorization form. The signed agent
authorization is included in this application package. The contact information
for both parties is included on the PCN.
Section 3: Project Information
The following maps are attached: USGS, NRCS Soil Survey, vicinity map,
construction drawings (24x36 full size plans),. drainage map (24x36 full size plans),
and impact maps (8.5x11 sheetsJ. All stream impacts and buffer impacts appear
on the impact maps.

' There are two culvert crossings on the site. Culvert details are shown on the
impact maps and the culvert design profiles (attached). Velocity dissipators are
shown on the impact maps, and calculations are attached. There are no stream
relocations on the site.
' The portion of the DWQ Stream Classification List pertinent to this project is
attached. Lick Creek is the nearest receiving stream; some of the site drains to
Martin Branch, which drains to Lick Creek. Martin Branch is not included in the
DWQ Stream Classification List.
It is important to note that this project is presented in two phases. The initial
' phase is construction of the primary road through the project. Each discharge
point is designed and will be constructed as a permanent structure even in
' cases where the facility will eventually be abandoned and replaced with a
facility in a future sub-phase. Each proposed stormwater facility will function as
a constructed wetland and will provide 1-year peak flow attenuation in order to
' satisfy City of Durham Detention requirements.
The second phase presented shows the future site plan build-out and shows the
pocket wetland associated with each phase. These wetlands are designed to
be the final BMP in place.
' Section 4: Prior Project History
Copies of two stream determinations are attached.
Lion 5: Future Project Plans
Sec I
r Even though the fully developed, built-out condition is not shown on the impact
maps (it will be designed in the future), all anticipated impacts are shown. The
owner reserves the right to apply for future impacts based on unanticipated
' conditions.
Section 6: Proposed Impacts to Waters of the US
The proposed impacts include two culvert crossings (both over perennial
streams), six utility line crossings (all over intermittent streams), and two fill
t locations (crossing will be avoided, only buffer impacts). Some of the buffer
impacts are by sanitary sewer that will travel parallel to the stream, and some
1 are by perpendicular crossings. All perpendicular utility crossings across
perennial stream will use jack and bore .techniques to avoid perennial stream
impacts.
Additionally, temporary buffer impacts will be created by a temporary diversion
channel to facilitate the installation of the Atlas Drive box culvert.

Summaries of the buffer and stream impacts are attached.
' All onsite streams have been subject to a stream determination by NC DWQ.
Steep slopes are pervasive on the site and there are no discharges points where
' the slopes are flat enough to accommodate level spreaders. For this reason, all
points of discharge will be treated for nutrient removal with pocket wetlands.
The wetland designs adhere to all aspects of the latest North Carolina Division of
' Water Quality Best Management Practices Manual (BMP Manual). The resulting
maximum discharge from each wetland ranges from 0.02 cfs to no more than
0.13 cfs at each discharge point. The result is that the peak outflow resulting
from the 1-inch rainfall will produce little or no erosion.
' Section 7: Avoidance and Minimization
Extensive avoidance and minimization techniques are practiced throughout the
' site. Wetland impacts do not exceed those impacts necessary to install sanitary
sewer in order to connect to the regional sanitary sewer pump station.
Additionally, the individual pods and phases of the subdivision, including single-
' and multi-family homes, are located between the streams with Neuse buffers. As
a result, only two stream crossings are currently planned. Lot layouts avoid all
wetlands and stream buffers on the property.
The Atlas stream crossing (perennial) is 105 degrees and the Athena stream
crossing (intermittent) is 66 degrees. While the Athena crossing is less than 75
' degrees, the crossing occurs near a 90-degree bend in the stream. The situation
of the road parallel to the stream buffer allows for an avoidance of impacts,
' and the crossing's location avoids impacting a nearby intermittent tributary (to
the north-northeast), while allowing for adequate space to develop pods of lots.
Headwalls are used on each crossing to minimize impacts, but due to the steep
grades around the streams, a balance is proposed to minimize the potential
safety hazard created by excessively high walls.
r The use of phasing and pod design also encourages smart erosion and
sediment control. The site will be developed in small sections, which will minimize
the sediment impact at any one time. Greater attention to maintaining erosion
' controls can be given to the smaller phases as they are built, too.
1

Section 8: Mitigation
Approval from NCEEP of the mitigation required is attached. The project will use
the payment-in-lieu program for a total of 7,831 square feet of buffer impacts:
7,831 SF in Zone 1 and 0 SF in Zone 2. The perennial stream impact is 295 linear
feet, so no stream mitigation is required. The buffer impacts that entail mitigation
include utility lines parallel to the stream that encroach into Zone 1 of the Neuse

buffers. The total amount of mitigation required (with multipliers) is 23,493 SF. The
mitigation will be handled by "Payment into the Riparian Buffer Restoration
Fund." All other buffer impacts are `allowable' and do not require mitigation.
' Section 9: Environmental Documentation
No federal funds will be used, and no NEPA/SEPA documents are required.
Section 10: Proposed Impacts on Riparian and Watershed Buffers
' (see Section 8 and Section 11)
Given that level spreaders are not feasible for any discharge point on the site,
each discharge point will be treated with pocket/constructed wetlands to meet
' alternative nutrient removal requirements. Each wetland will be designed per
the latest North Carolina Best Management Practices Manual (NC BMP) and to
the latest City of Durham standards. City of Durham Stormwater Services will
review each wetland for compliance with water quality standards and City of
Durham requirements.
' Nitro en treatment is not required, because the final site imperviousness will not
g
exceed 24 percent. The nitrogen loading rate is less than 3.6 pounds per acre
per year, based on the City of Durham's nitrogen loading calculation methods.
All buffers appear on the plans, including 50' North Carolina Neuse Basin buffers
' and 100' City of Durham perennial stream Neuse buffers.
' Section 11: Stormwater
There is no existing impervious area on the site. The overall site is limited to 24%
impervious in the post-development, fully built-out condition. City of Durham is
' responsible for implementation and review of all aspects of the stormwater
management plan, including adherence to the Neuse Buffer rules (NSW) and
water supply watershed rules (WS IV). The August 20, 2007 memorandum to this
effect is attached. All construction document approvals associated with the
stormwater management plan will be forwarded to NC DWQ upon receipt.
Two of the proposed `pods' are currently slated for multi-family town homes.
Each of these pods is to be treated for 85% TSS removal in the post-development
condition.
Section 12: Sewage Disposal
Sewerage generated by the proposed development will be piped into the City
of Durham sanitary sewer system and treated.
1

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Section 13: Violations
This site is not in violation of DWQ Wetland Rules or any Buffer Rules.
Section 14: Cumulative Impacts
This project, based on past and reasonably anticipated future impacts, will not
result in additional development that could affect water quality.
Section 15: Other Circumstances
None.

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}. tlTe applicant_ hereby designate and authorize f }«r~ath .Associates. P.:~. t€~ act on mti !tihalf3.ti
;;~ agxent iil the pr+~cessing of permit appliz'aticns and to furnish tipon rzaticst step~?Ic^,;:rTtal
iTT}ormation in support c>f applications, from this dad far«ard for the al~i~e nsmed pr~?1zct.
} t'ettit~ that } am a responsib}e ot~icer. partner. or o«ner of the conTpam. This signattirr
eertifie• that the app}icant has title to the property or has been authorized b~ the ~?~~ner to p~il~
svr Lcrtiti~ation. Said a<gent in signing tlx: application shall also certil~ i.hat tll int~~r;n~'titi~n
c~?ntained therein or in support thereof is true and c~?rr<~~t to the list r}f hishcr krn?« It'dge.
This notifi~.ation supersedes any pceti i-ous ccxrt~s{~~ndence conec'rnin`, the agent t~~r this pry?~t~t
~-nt appl~an~~~ ~~e
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IMPACT SUMMARIES
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0713 Section 401 Impact Summary
Overall Impact Summary
Wetland Impacts:
Total Wetland Impact:
11,956 s . ft
0.274 acres
Impact # Area
ff Area
r
8A 2,628 0.060
9A 9,328 0.214
Stream Impacts:
Intermittent Perennial Total
NWP 29 Stream Impact: 211 295 506 linear feet
Bill Price
3/19/2008

Impact
Stream
Type of Perennial

Comment Im act
p Im act
P
# Name Impact or
Intermiffent Length (If) Area (sf)
1 A Earthquake Culvert Perennial w/
t
i
Di 137 346
Creek or
a
ss
4C Earthquake Culvert Perennial w/
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t
Di
i 158 594
Creek o
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a
1 Earthquake Utility Intermittent S/S open 34 68
Creek Crossin cut
2A Earthquake Utility Intermittent S/S open 41 82
Creek Crossin cut
3 Earthquake Utility
Intermittent S/S open
30
77
Creek Crossin cut
4 Earthquake Utility Intermittent S/S open 32 63
Creek Crossin cut
4B Earthquake Utility Intermittent S/S open 35 71
Creek Crossin cut
6 Earthquake Utility Intermittent S/S open 39 78
Creek Crossin cut
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0713 Section 401 Impact Summary
Overall Impact Summary
Buffer Impacts:
rsa_ feetl ~acresl
Total Zone 1 Impacts:
Total Zone 2 Impacts:
Total Buffer Impacts:
53,740 1.234
91,635 2.104
145,375 3.337
Bill Price
3/19/2008
Impact Zone 1 Impact Zone 2 Impact Total Impact
1 2,361 sq. feet 2,021 sq. feet 4,382 sq. feet
0.054 acres 0.046 acres 0.101 acres
8,411 sq. feet 4,360 sq. feet 12,771 sq. feet
1 A 0.193 acres 0.100 acres 0.293 acres
6,245 sq. feet 18,805 sq. feet 25,050 sq. feet
2 0.143 acres 0.432 acres 0.575 acres
2 2,164 sq. feet 604 sq. feet 2,768 sq. feet
A 0.050 acres 0.014 acres 0.064 acres
3,016 sq. feet 5,392 sq. feet 8,408 sq. feet
3 0.069 acres 0.124 acres 0.193 acres
3A 2,786 sq. feet 110 sq. feet 2,896 sq. feet
0.064 acres 0.003 acres 0.066 acres
3B 0 sq. feet 3,906 sq. feet 3,906 sq. feet
0.000 acres 0.090 acres 0.090 acres
4,187 sq. feet 2,088 sq. feet 6,275 sq. feet
4 0.096 acres 0.048 acres 0.144 acres
4 1,015 sq. feet 6,636 sq. feet 7,651 sq. feet
A 0.023 acres 0.152 acres 0.176 acres
2,779 sq. feet 3,051 sq. feet 5,830 sq. feet
4B 0.064 acres 0.070 acres 0.134 acres
10,603 sq. feet 6,444 sq. feet 17,047 sq. feet
4C 0.243 acres 0.148 acres 0.391 acres
5 1,135 sq. feet 4,101 sq. feet 5,236 sq. feet
0.026 acres 0.094 acres 0.120 acres
4,255 s .feet 13,248 sq. feet 17,503 sq. feet
5A 0.098 acres 0.304 acres 0.402 acres
2,215 sq. feet 10,602 sq. feet 12,817 sq. feet
6 0.051 acres 0.243 acres 0.294 acres
7 0 s .feet 1,960 sq. feet 1,960 sq. feet
0.000 acres 0.045 acres 0.045 acres
0 sq. feet 4,935 sq. feet 4,935 sq. feet
8 0.000 acres 0.113 acres 0.113 acres
9 1,819 s .feet 1,210 sq. feet 3,029 s .feet
0.042 acres 0.028 acres 0.070 acres
749 sq. feet 1,912 s .feet 2,661 s .feet
11 0.017 acres 0.044 acres 0.061 acres
2 0 sq. feet 250 sq. feet 250 sq.feet
1 0.000 acres 0.006 acres 0.006 acres

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IMPACT MAPS
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PIN: 0860-03-33-3314 PID: 193344
PIN: 0860-01-20-8767 PID: 193361
PIN: 0769-01-28-5772 PID: 193301
SIERRA PIN: 0769-01-27-6679 PID: 203869
IMPACT MAPS
LEESVILLE ROAD AND DOC NICHOLS ROAD
DURHAM, NORTH CAROLINA

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DEVELOPMENT SUMMARY
DEVELOPER SITE DATA LEGEND
EAST DURHAM LAND COMPANY, LLC TOTAL LAND AREA: AC or SF
ZONING: PDR 3.0 CH: STREAM CHANNEL
MIKE WHITEHEAD PROPOSED USE: RESIDENTIAL NB: NEUSE RIVER BASIN BUFFER
CARY, NC EXISTING USE: VACANT WL: WETLAND
[phone] RIVER BASIN: NEUSE RIVER (F-J/B) Zl: ZONE 1 (30' FROM TOP OF BANK)
Z2: ZONE 2 (20' FROM ZONE 1)
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~ SANITARY SEWER PROFILE
22 ScA~,•=~'
HORVATH ASSOCIATES, P.A.
16 CONSULTANT PLACE, SUITE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
www. horvathassociates.com
IMPACT PROFILE
Sierra Drwn By: JC
Leesville & Doc Nichols R Chk B : JR
Date: 11/21/
Durham, North Carolina Scale: 1"= so'
310
300
290
Proj #
0713
Dwg No
22
3 of

BMP DESIGN CHECKLISTS
x

Surface Areas of Wetland Zones
'Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
1 Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
1 This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
' This design meets Option #2,
Has a clay liner
If yes:
Depth of topsoil above clay liner
' Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
1 Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubslsmall trees (1 gallon or larger)
Trees (1.5"dbh)
1 Fonn SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
7,875 ftz OK
2,920 ftz OK
37%
3,667 ffz Insufficient shallow water area.
~~°~
882 ftz OK
11%
406 ftz OK
5%
7,875 ftz Enter data into the shaded cells in this section.
0.20 ftz
383.11 fmsl
382.00 fmsl
382.00 fmsl
380.00 fmsl
379.00 fmsl
n (Y or N)
fmsl
Y
4 in
13.32 in Insufficient shallow land depth.
0 in
24 in OK
36 in OK
n (Y or N) OK
240
160
40
250 OK
160 OK
0 Higher density is recommended.
Parts 1 and II. Project Design Summary, Page 2 of 3

Permit Number
rovided by DWQ)
(to be
p
Additional Information
Can the design volume be contained? y (Y or N) OK
Does volume in excess of the design volume flow evenly
n
(Y or N)
Excess volume must pass through filter.
distributed through a vegetated filter?
What is the length of the vegetated filter? ft
' Does the design use a level spreader to evenly distribute flow? n (Y or N) Show how flow is evenly distributed.
Are calculations for supporting the design volume provided in the y (Y or N) OK
application?
' Is BMP sized to handle all runoff from ultimate build-out? y (Y or N) OK
Is the BMP located in a recorded drainage easement with a y (Y or N) OK
recorded access easement to a public Right of Way (ROW)?
1 The length to width ratio is: 2.4 :1 OK
Approximate wetland length 136.0 ft
Approximate wetland width 57.0 ft

Approximate surface area using length and width provided z
7,752 ft This approx. surface area is within this number of square
feet of the entire wetland surface area reported above:
Will the wetland be stabilized within 14 days of construction? y (Y or N) OK

1
t
1

t

Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 3 of 3

~ ~o~
1

Permit Number
(to be provided by DWQ)
p`/'~~~~FyN1~A 7E~9OG
I Il_JLLJLJI' r
o~~c
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part Ill) must be printed, filled out and submitted along with all the required information.
~I PROJECT INFORMATION
' Project name
Contact name
Phone number
Date
Drainage area number
Sierra
Matt Jones
[phone]
March 18, 2008
TO DB#7
II. DESIGN INFORMATION
Site Characteristics
Drainage area 633,362 ftz
Impervious area 214,751 ftz
'Percent impervious 33.9%
Design rainfall depth 1.0 inch
Peak Flow Calculations
Does this project require pre/post co
flow?
1-yr, 24-hr runoff depth
' 1-yr, 24-hr intensity
Pre-development 1-yr, 24-hr runoff
Post-development 1-yr, 24-hr runoff
' Pre/Post 1-yr, 24-hr peak control
Storage Volume: Non•SR Waters
ntrol of the 1-yr 24-hr peak Y (Y or N)

1 in
0.042 inmr
ft3/sec
ft3/sec
ft3/sec
Design volume (temporary pool volume) 18,745 ft3 OK
Depth of temporary poollponding depth (DP,a~~) 13.56 in Insufficient depth of temp. pool.
' Drawdown time 2.94 days OK
Diameter of orifice 2.00 in OK
Coefficient of discharge (Cp) used in orifice diameter
calculation 0.60 (unitless)
Driving head (H°) used in the orifice diameter calculation 0.558 ft OK
Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in
Pre-development 1-yr, 24-hr runoff ft3
' Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
,Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
'Shallow Water
The shallow water percentage is:
Deep Pool
Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
1 Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6'inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
' This design meets Option #2,
Has a clay liner
If yes:
Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
' each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
16,588 ft2 Insufficient wetland surface area.
6,628 ftz OK
40%
7,250 ft2 Insufficient shallow water area.
nnoi
1,811 ftz OK
11%
899 ftz OK
5°/a
16,588 ftZ OK
0.00 ft2
363.63 fmsl
362.50 fmsl
362.50 fmsl
360.50 fmsl
359.50 fmsl
n (Y or N)
fmsl
Y
4 in
13.56 in Insufficient shallow land depth.
0 in
24 in OK
36 in OK
n (Y or N) OK
498
332
83
510 OK
340 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
'Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
'Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
The length to width ratio is:
Approximate wetland length
Approximate wetland width
' Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?

1
1
Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
1.4 :1 Insufficient length to width ratio.
153.0 ft
111.0 ft
This approx. surface area is within this number of square
16,983 ff2 feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and II. Project Design Summary, Page 3 of 3

Permit Number
(to be provided by DWQ)
O~O~ W AT ~9~G
~~ ~ r
~~ p 'r
NCDENR STORMWATER MANAGEMENT PERMIT APPLICATION FORM
1 401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
' This form must be frlled out, printed and submitted.
The Required Items Checklist (Part 111) must be printed, filled out and submitted along with all the required information.
I. PROJECT INFORMATION
Project name Sierra
Contact name Matt Jones
Phone number [phone]
Date January 31, 2008
Drainage area number TO DB#8A
~II. DESIGN INFORMATION
~
Site Characteristics
Drainage area 342,382 ftz
Impervious area 182,081 ftz
'Percent impervious 53.2%
Design rainfall depth 1.0 inch
Peak Flow Calculations
Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
1 1-yr, 24-hr intensity 0.042 in/hr
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff ft3/sec
Pre/Post 1-yr, 24-hr peak control ft3lsec
Storage Volume: Non-SR Waters
1 Design volume (temporary pool volume) 8,232 ft3 OK
Depth of temporary poollponding depth (DP,a°~) 13.2 in Insufficient depth of temp. pool.
Drawdown time 2.99 days OK
Diameter of orifice 1.25 in OK
' Coefficient of discharge (Cp) used in orifice diameter 0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.524 ft OK
i Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in
Pre-development 1-yr, 24-hr runoff ft3
t Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
' Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
,Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
,Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
' This design meets Option #2,
Has a clay liner
If yes:
1 Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
' Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (4`inch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
7,484 ftz OK
2,947 ftz OK
anoi
3,197 ftz
43%
755 ftz
10%
585 ftz
8%
7,484 ftz
0.00 ftz
Insufficient shallow water area.
OK
OK
OK
348.10 fmsl
347.00 fmsl
347.00 fmsl
345.00 fmsl
344.00 fmsl
n (Y or N)
fmsl
Y
4 in
13.2 in Insufficient shallow land depth.
0 in
24 in OK
36 in OK
n (Y or N) OK
228
152
38
240 OK
160 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Permit Number
rovided by DWQ)
(to be
p
Additional Information
'Can the design volume be contained? y (Y or N) OK
Does volume in excess of the design volume flow evenly n (Y or N) Excess volume must pass through filter.
distributed through a vegetated filter?
What is the length of the vegetated filter? ft
'
Does the design use a level spreader to evenly distribute flow? n (Y or N) Show how flow is evenly distributed.
Are calculations for supporting the design volume provided in the y (Y or N) OK
application?
'Is BMP sized to handle all runoff from ultimate build-out? y (Y or N) OK
Is the BMP located in a recorded drainage easement with a y (Y or N) OK
recorded access easement to a public Right of Way (ROW)?
'The length to width ratio is: 1.9 :1 OK
Approximate wetland length 171.0 ff
Approximate wetland width 88.0 ft

Approximate surface area using length and width provided z
15,048 ft This approx. surface area is within this number of square
feet of the entire wetland surface area reported above:
Will the wetland be stabilized within 14 days of construction? y (Y or N) OK

1
1
Form SW401-Wetland-Rev.1 Parts I and 11. Project Design Summary, Page 3 of 3

~ awn
NCDENR
1
1
Permit Number
(to be provided by DWQ)
~oF w a rE9
~( .~~
o t `/ ~
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all the required information.
I. PROJECT INFORMATION
Project name
Contact name
Phone number
Date
Drainage area number
,~II DESIGN INFORMATION
Site Characteristics
Drainage area
Impervious area
' Percent impervious
Design rainfall depth
Peak Flow Calculations
Does this project require prelpost control of the 1-yr 24-hr peak
flow?
1-yr, 24-hr runoff depth
1-yr, 24-hr intensity
Pre-development 1-yr, 24-hr runoff
Post-development 1-yr, 24-hr runoff
PrelPost 1-yr, 24-hr peak control
Storage Volume: Non-SR Waters
Design volume (temporary pool volume)
Depth of temporary pool/ponding depth (DPia~~)
' Drawdown time
Diameter of orifice
' Coefficient of discharge (Co) used in orifice diameter
calculation
Driving head (H°) used in the orifice diameter calculation
' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth
Pre-development 1-yr, 24-hr runoff
Post-development 1-yr, 24-hr runoff
Minimum volume required
Volume provided

Form SW401-Wetland-Rev.1
Sierra
Matt Jones
[phone]
March 18, 2008
TO DB#86
378,101 ftz
182,081 ftz
48.2%
1.0 inch
Y (Y or N)
1 m
0.042 in/hr
ft3/sec
ft3lsec
ft3lsec
7,457 ft3
13.44 in
2.78 days
1.25 in
0.60 (unitless)
0.574 ft
in
ft3
ft3
ft3
ft3
OK
Insufficient depth of temp. pool,
OK
OK
OK
Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
,Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
,Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
' Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
This design meets Option #2,
Has a clay liner
If yes:
Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
' Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
Shrubslsmall trees (1 gallon or larger)
Trees (1.5" dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5" dbh)
Form SW401-Wetland-Rev.1
Permit Number
(to be provided by D WQ)
6,658 ftz Insufficient wetland surface area.
2,635 ftZ OK
40%
2,680 ftz OK
nnoi
962 ftz OK
14%
381 ftz OK
6%
6,658 ftZ OK
0.00 ftz
335.12 fmsl
334.00 fmsl
334.00 fmsl
331.00 fmsl
331.00 fmsl
n (Y or N)
fmsl
y
4 in
13.44 in Insufficient shallow land depth.
0 in
36 in OK
36 in OK
n (Y or N) OK
204
136
34
230 OK
140 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Permit Number
(to be provided by DWQ)
Additional Information
Can the design volume be contained? y (Y or N) OK
, Does volume in excess of the design volume flow evenly n (Y or N) Excess volume must pass through filter.
distributed through a vegetated filter?
What is the length of the vegetated filter? ft
' Does the design use a level spreader to evenly distribute flow? n (Y or N) Show how flow is evenly distributed.
Are calculations for supporting the design volume provided in the y (Y or N) OK

' application?
Is BMP sized to handle all runoff from ultimate build-out?
y
(Y or N)
OK
Is the BMP located in a recorded drainage easement with a y (Y or N) OK
recorded access easement to a public Right of Way (ROW)?
' The length to width ratio is: 3.2 :1 OK
Approximate wetland length 196.0 ft
Approximate wetland width 61.0 ft
This approx. surface area is within this number of square
' Approximate surface area using length and width provided 11,956 ftZ feet of the entire wetland surface area reported above:
Will the wetland be stabilized within 14 days of construction? y (Y or N) OK

1
1
1

Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 3 of 3

~ ~oE~
1

STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be frlled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all the required information.
~I PROJECT INFORMATION
' Project name
Contact name
Phone number
Date
Drainage area number
Sierra
o~ F w A rF9QG
~ ~
o ~
Matt Jones
[phone]
January 31, 2008
TO DB#9
II. DESIGN fNFORMATION
Site Characteristics
Drainage area 208,217 ft2
Impervious area 93,654 ftz
!Percent impervious 45.0%
Design rainfall depth 1.0 inch
Peak Flow Calculations
' Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
' 1-yr, 24-hr intensity 0.042 inlhr
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff ft3/sec
Pre/Post 1-yr, 24-hr peak control ft3/sec
Storage Volume: Non-SR Waters
1 Design volume (temporary pool volume) 7,892 ft3 OK
Depth of temporary pool/ponding depth (DP,a°~) 12.72 in Insufficient depth of temp. pool.
' Drawdown time 2.95 days OK
Diameter of orifice 1.25 in OK
Coefficient of discharge (Cp) used in orifice diameter
calculation 0.60 (unitless)
Driving head (H°) used in the orifice diameter calculation 0.524 ft OK
' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in
Pre-development 1-yr, 24-hr runoff ft3
Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
Permit Number
(to be provided by DWQ)
' Form SW401-Wetland-Rev.1 Parts 1 and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
,Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
,Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
'Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
This design meets Option #2,
Has a clay liner
If yes:
Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
' Form SW401-Wetland-Rev.1
7,445 ffz
2,893 ffz
39%
3,145 ftz
42%
1,022 ftz
14%
385 ftz
5%
7,445 ftz
0.00 ftz
357.06 fmsl
356.00 fmsl
356.00 fmsl
354.00 fmsl
353.00 fmsl
n (Y or N)
fmsl
Y
4 in
12.72 in
0 in
24 in
36 in
Permit Number
(to be provided by DWQ)
Insufficient wetland surface area.
OK
Insufficient shallow water area.
OK
OK
OK
Insufficient shallow land depth.
OK
OK
n (Y or N) OK
228
152
38
~~n
u
OK
OK
Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Permit Number
(to be provided by DWQ)
Additional Information
, Can the design volume be contained? y (Y or N) OK
Does volume in excess of the design volume flow evenly n (Y or N) Excess volume must pass through filter.
distributed through a vegetated filter?
What is the length of the vegetated filter? ff
Does the design use a level spreader to evenly distribute flow? n (Y or N) Show how flow is evenly distributed.
Are calculations for supporting the design volume provided in the y (Y or N) OK

' application?
Is BMP sized to handle all runoff from ultimate build-out?
y
(Y or N)
OK
Is the BMP located in a recorded drainage easement with a y (Y or N) OK
recorded access easement to a public Right of Way (ROW)?
' The length to width ratio is: 3.5 :1 OK
Approximate wetland length 172.0 ft
Approximate wetland width 49.0 ft

Approximate surface area using length and width provided z
8,42$ ft This approx. surface area is within this number of square
feet of the entire wetland surface area reported above:
Will the wetland be stabilized within 14 days of construction? y (Y or N) OK

1

1
1

Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 3 of 3

1,~~~
1
Permit Number
(fo be provided by DWQ)
Oan~F jw A T`c~OG
! II_JUJLJI'
o ~
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part Ill) must be printed, filled out and submitted along with all the required information.
I. PROJECT INFORMATION
I Project name Sierra
Contact name John Schrum
Phone number [phone]
~~ Date March 13, 2008
Drainage area number 1
(II DESIGN INFORMATION
Site Characteristics
1~
Drainage area 471,755 ftz
Impervious area 257,875 ft2
I~ Percent impervious 54.7%
Design rainfall depth 1.0 inch
Peak Flow Calculations
I~ Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
~~ 1-yr, 24-hr intensity 0.042 in/hr
Pre-development 1-yr, 24-hr runoff ft3lsec
Post-development 1-yr, 24-hr runoff 0.96 ft3lsec
~~ PrelPost 1-yr, 24-hr peak control 1 ~0 ft3/sec
Storage Volume: Non-SR Waters
I ' Design volume (temporary pool volume) 22,602 ft3 OK
Depth of temporary poollponding depth (DP,a°,~) 15.96 in Insufficient depth of temp. pool.
+'
! Drawdown time 2.99 days OK
1 Diameter of orifice 2.00 in OK
11 Coefficient of discharge (Cp) used in orifice diameter 0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.658 ft OK
~ ' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth In
Pre-development 1-yr, 24-hr runoff ft3
Post-development 1-yr, 24-hr runoff ft3
3
Minimum volume required ft
Volume provided ft3

Form SW401-Wetland-Rev.t Parts I and II. Project Design Summary, Page 1 of 3

_ _
Surface Areas of Wetland Zones
Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
' Shallow Water
The shallow water percentage is:
Deep Pool
Forebay portion of deep pool (pretreatment)
The Forebay surface area percentage is:
Non-forebay portion of deep pool
The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
This design meets Option #2,
' Has a clay liner
If yes:
Depth of topsoil above clay liner
h
s
Topographic Zone Dept
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
' Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5" dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)

' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
14,666 ft2 Insufficient wetland surface area.
2,845 ft2 Insufficient shallow land area.
19%
8,774 ft2 Insufficient shallow water area.
60%
1,510 ft2 OK
10%
1,537 ft2 Insufficient non-forebay deep pool area.
10%
14,666 ft2 OK
0.00 ft2
388.00 fmsl
388.00 fmsl
388.00 fmsl
385.00 fmsl
385.00 fmsl
n (Y or N)
fmsl
Y
4 in
15.96 in Insufficient shallow land depth.
0 in
36 in OK
36 in OK
n (Y or N) OK
444
296
74
450 OK
310 OK
0 Nigher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

w
^
Additional Information
J Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
' What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
' Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
'The length to width ratio is:
Approximate wetland length
Approximate wetland width
Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?
1
1

1

1

' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.0 :1 OK
195.0 ft
96.0 ft
18
720 ftz This approx. surface area is within this number of square
, feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and II. Project Design Summary, Page 3 of 3

1 ~ En
1

Permit Number
(to be provided by DWQ)
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be frlled out, printed and submitted.
The Required Items Checklist (Part lll) must be printed, filled ouf and submitted along with all fhe required information.
o/~~r~W Ar~eR~~
~ i IL.JUtJI.J~ ~
o
I. PROJECT INFORMATION
' Project name Sierra
Contact name John Schrum
Phone number [phone]
' Date March 20, 2008
Drainage area number 2
II. DESIGN INFORMATION
'
Site Characteristics
Drainage area 413,820 ftz
Impervious area 165,528 ft2
i Percent impervious 40.0%
Design rainfall depth 1.0 inch
Peak Flow Calculations
' Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?

' 1-yr, 24-hr runoff depth
1-yr, 24-hr intensity 1 in
0.042 inlhr
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff 0.94 ft3/sec
' PrelPost 1-yr, 24-hr peak control 0.9 ft3/sec
Storage Volume: Non-SR Waters
' Design volume (temporary pool volume) 15,209 ft3
Depth of temporary poollponding depth (DPIa°~) 12.48 in
' Drawdown time 3.88 days
Diameter of orifice 1.50 in
Coefficient of discharge (Cp) used in orifice diameter
0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.519 ft
' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in
Pre-development 1-yr, 24-hr runoff ft3
' Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
t Form SW401-Wetland-Rev.1
OK
Insufficient depth of temp. pool.
OK
OK
OK
Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
' Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
' Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
' Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
' This design meets Option #2,
Has a clay liner
If yes:
' Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
' Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
' each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)

Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
13,857 ftZ Insufficient wetland surface area.
3,057 ftZ Insufficient shallow land area.
22%
8,286 ftZ Insufficient shallow water area.
60%
1,269 ftZ Insufficient forebay area.
9%
1,245 ftZ OK
9%
13,857 ftZ OK
0.00 ftZ
358.00 fmsl
358.00 fmsl
358.00 fmsl
355.00 fmsl
355.00 fmsl
n (Y or N)
fmsl
Y
4 in
12.48 in Insufficient shallow land depth.
0 in
36 in OK
36 in OK
n (Y or N) OK
420
280
70
420 OK
290 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
'Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
' What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
' Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
'The length to width ratio is:
Approximate wetland length
Approximate wetland width
' Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?

' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.4 :1 OK
229.0 ft
95.0 ft
21
755 ft2 This approx. surface area is within this number of square
, feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and II. Project Design Summary, Page 3 of 3

' NCDE~NR

STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
Permit Number
(to be provided by DWQ)
Ot~O~W A~T F9~G
o ~
This form must be filled out, printed and submitted.
The Required Items Checklist (Part Ill) must be printed, filled out and submitted along with all the required information.
I. PROJECT INFORMATION
' Project name Sierra
Contact name John Schrum
Phone number [phone]
' Date March 20, 2008
Drainage area number 26
II. DESIGN INFORMATION
' Site Characteristics
Drainage area 636,412 ft2
Impervious area 254,826 ft2
'Percent impervious 40.0%
Design rainfall depth 1.0 inch
Peak Flow Calculations
' Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
' 1-yr, 24-hr intensity 0.042 in/hr
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff 1.27 ft3/sec
' Pre/Post 1-yr, 24-hr peak control 1.3 ft3lsec
Storage Volume: Non-SR Waters
' Design volume (temporary pool volume) 22,944 ft3 OK
Depth of temporary pool/ponding depth (DPia~~) 14.88 in Insufficient depth of temp. pool.
' Drawdown time 3.21 days OK
Diameter of orifice 2.00 in OK
' Coefficient of discharge (Cp) used in orifice diameter
calculation 0.60 (unitless)
Driving head (H°) used in the orifice diameter calculation 0.608 ft OK
'Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in
Pre-development 1-yr, 24-hr runoff ft3
' Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3

' Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
' Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
' Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
This design meets Option #2,
Has a clay liner
If yes:
' Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
'Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
' each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)

Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
16,238 ffz
2,848 ttz
18%
10,132 ftz
G 70%
1,605 ftz
10%
1,653 ftz
10%
16,238 ftz
0.00 ftz
379.00 fmsl
379.00 fmsl
379.00 fmsl
376.00 fmsl
376.00 fmsl
n (Y or N)
fmsl
Y
4 in
14.88 in
0 in
36 in
36 in
Insufficient wetland surface area.
Insufficient shallow land area.
Insufficient shallow water area.
Insufficient forebay area.
Insufficient non-forebay deep pool area.
OK
Insufficient shallow land depth.
OK
OK
n (Y or N) OK
492
328
82
~~n
V
OK
OK
Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
'Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
' What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
' Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
'The length to width ratio is:
Approximate wetland length
Approximate wetland width
Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?
1

1
1
1

' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.2 :1 OK
246.0 ft
111.0 ft
27,306 ftZ This approx. surface area is within this number of square
feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and II. Project Design Summary, Page 3 of 3

~~~
NCDENR

N (Y or N)
o`,~~ WnjF~OG
~'r
o <
I. PROJECT INFORMATION
' Project name Sierra
Contact name John Schrum
Phone number [phone]
' Date March 20, 2008
Drainage area number 2C
II. DESIGN INFORMATION
'
Site Characteristics
Drainage area 411,642 ftz
Impervious area 164,657 ft2
' Percent impervious 40.0%
Design rainfall depth 1.0 inch
Peak Flow Calculations
' Does this project require prelpost control of the 1-yr 24-hr peak
flow?
1-yr, 24-hr runoff depth
' 1-yr, 24-hr intensity
Pre-development 1-yr, 24-hr runoff
Post-development 1-yr, 24-hr runoff
' Pre/Post 1-yr, 24-hr peak control
Storage Volume: Non•SR Waters
' Design volume (temporary pool volume)
Depth of temporary pool/ponding depth (DPIa~~)
Drawdown time
Diameter of orifice
' Coefficient of discharge (Cp) used in orifice diameter
calculation
Driving head (H°) used in the orifice diameter calculation
' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth
' Pre-development 1-yr, 24-hr runoff
Post-development 1-yr, 24-hr runoff
Minimum volume required
Volume provided

This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all the required information.
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
1 in
0.042 in/hr
ft3/sec
0.86 ft3lsec
0.9 ft3lsec
14,764 ft3
Permit Number
(to be provided by DWQ)
OK
11.52 in OK
4.02 days OK
1.50 in OK
0.60 (unitless)
0.469 ft
in
ft3
ft3
ft3
ft3
OK
Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
' Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
' Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
' Permanent Pool
Shallow Water (top)
Deep Pool (top)
Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6'inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
' This design meets Option #2,
Has a clay liner
If yes:
' Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)

Form SW401-Wetland-Rev.)
Permit Number
(to be provided by DWQ)
14,552 ffz Insufficient wetland surface area.
5,961 ftz Insufficient shallow land area.
41%
5,448 ftz Insufficient shallow water area.
~~oi
1,609 ftz OK
11%
1,534 ffz Insufficient non-forebay deep pool area.
11%
14,552 ft O K
0.00 ftz
368.00 fmsl
368.00 fmsl
368.00 fmsl
365.00 fmsl
365.00 fmsl
n (Y or N)
fmsl
Y
4 in
11.52 in OK
0 in
36 in OK
36 in OK
n (Y or N) OK
438
292
73
450 OK
300 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
' What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
' Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
,The length to width ratio is:
Approximate wetland length
Approximate wetland width
Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?

1
1
1

1

Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
1.9 :1 OK
231.0 ft
122.0 ft
28
182 ft2 This approx. surface area is within this number of square
, feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts 1 and II. Project Design Summary, Page 3 of 3

' Permit Number
(to be provided by DWQ)
~ F W ATE9 p
~~ ~/~~~
w~ i O ~
N~CDENR STORMWATER MANAGEMENT PERMIT APPLICATION FORM
' 401 CERTIFICATION APPLICATION FORM
' This form must be iflled ouf, printed and submitted.
The Required Items Checklist (Part Ill) must be printed, filled ouf and submitted along with all the required information.
I. PROJECT INFORMATION
' Project name Sierra
Contact name John Schrum
Phone number [phone]
' Date March 20, 2008
Drainage area number 3
II. DESIGN INFORMATION
Site Characteristics
Drainage area 439,520 ftz
Impervious area 342,382 ftz
'Percent impervious 77.9%
Design rainfall depth 1.0 inch
Peak Flow Calculations
t Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
' 1-yr, 24-hr intensity 0.042 in/hr
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff 2.15 ft3/sec
' Pre/Post 1-yr, 24-hr peak control 2~2 ft3lsec
Storage Volume: Non-SR Waters
' Design volume (temporary pool volume) 16,002 ft3
Depth of temporary pool/ponding depth (DPia°~) 12.48 in
' Drawdown time 3.18 days
Diameter of orifice 1.75 in
' Coefficient of discharge (Cp) used in orifice diameter
0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.514 ft
' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in

' Pre-development 1-yr, 24-hr runoff
Post-development 1-yr, 24-hr runoff ft3
ft3
Minimum volume required ft3
Volume provided ft3
1

' Form SW401-Wetland-Rev.1
WETLAND SUPPLEMENT
OK
Insufficient depth of temp. pool.
OK
OK
OK
Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
' Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
' Shallow Water
The shallow water percentage is:
Deep Pool
' Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
' Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
' Permanent Pool
Shallow Water (top)
Deep Pool (top)
Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
' This design meets Option #2,
Has a clay liner
If yes:
Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
' Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5" dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)

' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
13,693 ftZ Insufficient wetland surface area.
2,558 ftz Insufficient shallow land area.
19%
8,235 ftz Insufficient shallow water area.
anoi
1,505 ft2 OK
11%
1,395 ftz Insufficient non-forebay deep pool area.
10%
13,693 ftZ OK
0.00 ft2
375.00 fmsl
375.00 fmsl
375.00 fmsl
372.00 fmsl
372.00 fmsl
n (Y or N)
fmsl
Y
4 in
12.48 in Insufficient shallow land depth.
0 in
36 in OK
36 in OK
n (Y or N) OK
414
276
69
450 OK
290 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
'Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
' What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
' Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
'The length to width ratio is:
Approximate wetland length
Approximate wetland width
' Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?
1

1

1 Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.1 :1 OK
203.0 ft
98.0 ft
19
894 ft2 This approx. surface area is within this number of square
, feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and II. Project Design Summary, Page 3 of 3

~'~
NCDENR

1
Permit Number
(to be provided by DWQ)
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part lll) must be printed, filled out and submitted along with all fhe required information.
o~~F~~W~ATE~R~~G
>1~~
Q ~°~ Y
I. PROJECT INFORMATION
Project name Sierra
Contact name John Schrum
Phone number [phone]
' Date March 20, 2008
Drainage area number 5
II. DESIGN INFORMATION
'
Site Characteristics
Drainage area 520,106 ft2
Impervious area 196,891 ftz
' Percent impervious 37.9%
Design rainfall depth 1.0 inch
Peak Flow Calculations
' Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
' 1-yr, 24-hr intensity 0.042 inlhr
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff 2.15 ft3/sec
' Pre/Post 1-yr, 24-hr peak control 2.2 ft3/sec
Storage Volume: Non-SR Waters
Design volume (temporary pool volume) 17,886 ft3
Depth of temporary pool/ponding depth (DP,a°~) 16.1 in
Drawdown time 2.30 days
Diameter of orifice 2.00 in
Coefficient of discharge (Co) used in orifice diameter
0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.658 ft
' Storage Volume: SR Waters Parameters
1-yr, 24-hr depth in
Pre-development 1-yr, 24-hr runoff ft3
Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
Form SW401-Wetland-Rev.1
OK
Insufficient depth of temp. pool.
OK
OK
OK
Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
' Shallow Water
The shallow water percentage is:
Deep Pool
Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
This design meets Option #2,
Has a clay liner
If yes:
' Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
' Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
1
' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
12,214 ftz
2,500 ftz
20%
7,226 ftz
Gpo%
1,268 ftz
10%
1,220 ftz
10%
12,214 ftz
0.00 ftz
376.00 fmsl
376.00 fmsl
376.00 fmsl
373.00 fmsl
373.00 fmsl
n (Y or N)
fmsl
Y
4 in
16.1 in
0 in
36 in
36 in
Insufficient wetland surface area.
Insufficient shallow land area.
Insufficient shallow water area.
OK
OK
OK
Insufficient shallow land depth.
OK
OK
n (Y or N) OK
372
248
62
zon
u
OK
OK
Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
'Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
' What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
The length to width ratio is:
Approximate wetland length
Approximate wetland width
I Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?

1

' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.2 :1 OK
171.0 ft
77.0 ft
This approx. surface area is within this number of square
13,167 ftz feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and 11. Project Design Summary, Page 3 of 3

~ ern
NCDENR
1

STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
Permit Number
(to be provided by DWQ)
o~ F ~n;arF,9oG
~_.
o
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all the required information.
I. PROJECT INFORMATION
Project name Sierra
Contact name John Schrum
Phone number [phone]
1 Date March 20, 2008
Drainage area number 6
II. DESIGN INFORMATION
'
Site Characteristics
Drainage area 226,512 ftz
Impervious area 95,396 ft2
Percent impervious 42.1
Design rainfall depth 1.0 inch
Peak Flow Calculations
' Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?

' 1-yr, 24-hr runoff depth
24-hr intensity
1-yr 1 in
0.042 in/hr
,
Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff ft3/sec
' Pre/Post 1-yr, 24-hr peak control ft3/sec
Storage Volume: Non-SR Waters
Design volume (temporary pool volume) 85,436 ft3 OK
Depth of temporary poollponding depth (DP,a~~) 12.6 in Insufficient depth of temp. pool.
^ Drawdown time 2.19 days OK
Drawdown orifice diameter may be insufficient. Please
Diameter of orifice 1.50 in provide adequate supporting calculations.
Coefficient of discharge (Cp) used in orifice diameter 0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.519 ft OK
Storage Volume: SR Waters Parameters
1-yr, 24-hr depth In
Pre-development 1-yr, 24-hr runoff ft3
Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
Form SW401-Wetland-Rev.t Parts I and II. Project Design Summary, Page 1 of 3

Surface Areas of Wetland Zones
' Surface Area of Entire Wetland
Shallow Land
The shallow land percentage is:
Shallow Water
The shallow water percentage is:
Deep Pool
Forebay portion of deep pool (pretreatment)
The Forebay surface area percentage is:
Non-Forebay portion of deep pool
' The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
Topographic Zone Elevations
Temporary Pool
Shallow Land (top)
Permanent Pool
Shallow Water (top)
Deep Pool (top)
' Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
' This design meets Option #1,
Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table)
This design meets Option #2,
Has a clay liner
If yes:
Depth of topsoil above clay liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
' Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
' Are cattails included in the planting plan?
Number of Plants in planting plan recommended:
Herbacious (flinch diameter)
' Shrubs/small trees (1 gallon or larger)
Trees (1.5"dbh)
Number of Plants in planting plan provided (several species of
1 each plant type are recommended):
Herbacious (flinch diameter)
Shrubs/small trees (1 gallon or larger)
Trees (1.5" dbh)

1 Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
7,522 ftz
2,535 ftz
34%
3,604 ftz
48%
870 ftz
12%
513 ftz
7%
7,522 ftz
0.00 ftz
330.00 fmsl
330.00 fmsl
330.00 fmsl
327.00 fmsl
327.00 fmsl
n (Y or N)
fmsl
Y
4 in
12.6 in
0 in
36 in
36 in
Insufficient wetland surface area.
OK
Insufficient shallow water area.
OK
OK
OK
Insufficient shallow land depth.
OK
OK
n (Y or N) OK
228
152
38
230 OK
160 OK
0 Higher density is recommended.
Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
'Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
' Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
'The length to width ratio is:
Approximate wetland length
Approximate wetland width
' Approximate surface area using length and width provided
Will the wetland be stabilized within 14 days of construction?

1
1
1

1

1
Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.2 :1 OK
160.0 ft
72.0 ft
This approx. surface area is within this number of square
11,520 ftz feet of the entire wetland surface area reported above:
Y (Y or N) OK
Parts I and 11. Project Design Summary, Page 3 of 3

Permit Number
' (to be provided by DWQ)
o~oF w a r~9OG
'~~/l >
NCDENR STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
This form must be filled out, printed and submitted.
The Required Items Checklist (Part Ill) must be printed, filled out and submitted along with all the required information.
t.' pROJECT'INFORMATION
Project name Sierra
Contact name John Schrum
Phone number [phone]

' Date
Drainage area number March 20, 2008
7B

IL DESIGN INFORMATION
' Site Characteristics
Drainage area 356,377 ft2
Impervious area 144,619 ft2
' Percent impervious 40.6%
Design rainfall depth 1.0 inch
Peak Flow Calculations
Does this project require pre/post control of the 1-yr 24-hr peak Y (Y or N)
flow?
1-yr, 24-hr runoff depth 1 in
1-yr, 24-hr intensity 0.042 in/hr
' Pre-development 1-yr, 24-hr runoff ft3/sec
Post-development 1-yr, 24-hr runoff ft3/sec
Pre/Post 1-yr, 24-hr peak control ft3/sec
' Storage Volume: Non•SR Waters
Design volume (temporary pool volume) 12,456 ft3 OK
Depth of temporary pool/ponding depth (DP,a°~) 11.04 in OK
Drawdown time 3.78 days OK

Diameter of orifice 1.50 in OK
Coefficient of discharge (Cp) used in orifice diameter 0.60 (unitless)
calculation
Driving head (H°) used in the orifice diameter calculation 0.469 ft OK
,Storage Volume: SR Waters Parameters
Post-development 1-yr, 24-hr runoff ft3
Minimum volume required ft3
Volume provided ft3
1-yr, 24-hr depth In
Pre-development 1-yr, 24-hr runoff ft3

1
WETLAND SUPPLEMENT
' Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 1 of 3

Permit Number
(to be provided by DWQ)
Surface Areas of Wetland Zones
Surface Area of Entire Wetland 13,593 ft2 OK
, Shallow Land 4,856 ftZ OK
The shallow land percentage is: 36%
Shallow Water
The shallow water percentage is: 5,437 ft2
40% OK
Deep Pool
Forebay portion of deep pool (pretreatment) 2,000 ftz OK
' The Forebay surface area percentage is: 15%
Non-Forebay portion of deep pool 1,300 ftZ OK
The non-forebay deep pool surface area percentage is: 10%
' Total of wetland zone areas 13,593 ft2 OK
Add or subtract the following area from the zones 0.00 ft2
Topographic Zone Elevations
' Temporary Pool
Shallow Land (top) 352.92 fmsl
Permanent Pool
Shallow Water (top) 352.00 fmsl
Deep Pool (top) 352.00 fmsl
Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom 350.00 fmsl
349.00 fmsl
Design must meet one of the following two options:
This design meets Option #1,
n (Y or N)
' Deep pool is 6inches below SLWT, If yes:
SLWT (Seasonally Low Water Table) fmsl
This design meets Option #2,
Has a clay liner y
' If yes:
Depth of topsoil above clay liner 4 in
'
Topographic Zone Depths
Temporary Pool
Shallow Land 11.04 in OK
Permanent Pool
Shallow Water 0 in
' Deep Pool (shallowest)
Deep Pool (deepest) 24 in
36 in OK
OK
Planting Plan
Are cattails included in the planting plan? n (Y or N) OK
' Number of Plants in planting plan recommended:
Herbacious (4'inch diameter) 408
Shrubs/small trees (1 gallon or larger) 272
Trees (1.5"dbh) 68
Number of Plants in planting plan provided (several species of
each plant type are recommended):
' Herbacious (flinch diameter) 410 OK
Shrubs/small trees (1 gallon or larger) 280 OK
Trees (1.5"dbh) 0 Higher density is recommended.

Form SW401-Wetland-Rev.1 Parts I and II. Project Design Summary, Page 2 of 3

Additional Information
Can the design volume be contained?
Does volume in excess of the design volume flow evenly
distributed through a vegetated filter?
What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Are calculations for supporting the design volume provided in the
application?
Is BMP sized to handle all runoff from ultimate build-out?
Is the BMP located in a recorded drainage easement with a
recorded access easement to a public Right of Way (ROW)?
' The length to width ratio is:
Approximate wetland length
Approximate wetland width
Approximate surface area using length and width provided
' Will the wetland be stabilized within 14 days of construction?
1

1

1
' Form SW401-Wetland-Rev.1
Permit Number
(to be provided by DWQ)
y (Y or N) OK
n (Y or N) Excess volume must pass through filter.
ft
n (Y or N) Show how flow is evenly distributed.
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
2.4 :1 OK
234.0 ft
97.0 ft
22
698 ft2 This approx. surface area is within this number of square
, feet of the entire wetland surface area reported above:
y (Y or N) OK
Parts I and II. Project Design Summary, Page 3 of 3

i
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REQUIRED MAPS AND PROJECT
INFORMATION

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VICINITY MAP
NO SCALE

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DRAWN BY:
HORVATH USGS SE DURHAM MAP BFT
' ASSOCIATES CHECKED BY:
16 CONSULTANT PLACE SUtfE 201 SCALE
DURHAM. NORTH CAROLINA 27707 SIERRA ' ~ ' °0°~
P 919.490.4990 F 919.490.8953
DATE
' S3IMARKEfSTREET.SUffELL20 DOC NICHOLS RD AND LEESVILLE RD >>-is-2oo~
CHATTANOOGA. TENNESSEE 37402 PROJECT NO
P423.266.4990 F423.266.5700 DURHAM, NORTH CAROLINA
www.horvafhassociates.com 0 713

1
1
1

SOILS MAP 23
SO.fLS MAP 33
5!
^ • ^ • ^ • ^ • • ^ ^ ^ ^ • ^ • ^ ^ • • ^ • ^ • ^ • ^ • ^ ^ ^ ^ • ^ • • ^ • ^ ^ ^ • ^ ^ ^ ^ ^ • ^ • ^ ^ ^ ^ • • • • • • • • • ^ ^ • • • DRAWN 8Y:• ^ • ^ ^ ^
HORVATH DURHAM COUNTY SOILS MAPS 28 & 33 CHECKEDBB~
' ASSOCIATE S
16 CONSUITAM PLACE SUITE 201 SCALE
DURHAM, NORTH CAROLINA 27707 SIERRA ' ~~-' 00°~
P 919.490.4990 f 919.490.8953
DATE
' S3IMARKETSTREET,SUffELL20 DOC NICHOLS RD AND LEESVILLE RD '~-is-tom
CHATTANOOGA. TENNESSEE 37402 PROJECT NO
P423.266.4990 F423.266.5100 DURHAM, NORTH CAROLINA
www.horvalhassocfates.com 0713

p ~ ~T
Rocky Branch From source to a point 'dS- IV;NSW OS/Olj9g Neuse 27-7-!1)
0.5 mile upstream of
Durham County SR 1802
Rocky Branch From a point 0.5 mile WS -IV;IQSW ,C 08/O1j98 Neuse 27-7-(2)
zpstream of Durham A
County SR 1802 to Falls
Lake, Neuse River
Little Lick Creek From source to a point WS -IV;NSW 08/01/99 Neuse 27-9-(0.5)
0.4 mile upstream of
Durham County SR 1811
Chunky Pipe Creek From source to Little WS -IV;NSW 08/03/92 Neuse 27-9-1
Lick Creek
Little Lick Creek From a point 0.4 mile WS -IV;NSD; ,C08/01/98 Neuse 27-9-(2)
(including upstream of Durham SR A
portion of Little 1811 to Falls Lake,
Lick Creek Arm of Neuse River
Falls Lalce)
Lick Creek From source to Wake WS-IV;NSW 08/01/98 Neuse 27-11-(0.5)
County SR 1809
Martin Creek From source to Lick WS-IV;NSW 08/03/92 Neuse 27-11-1
Creek
Lick Creek From Wake County SR WS-IV;NSW,C08/01/98 Neuse 27-11-(1.5) :,
1809 to Falls Lake, A
Neuse River
Rocky Branch From source to a point WS-IV;NSW 08/01/98 Neuse 27-11-2-(1)
0.3 mile upstream of
mouth
Rocky Branch From a point 0.3 mile WS-IV;NSW,C08/01/98 Neuse 27-11-2-(2)
upstream of mouth to A
Lick Creek
Laurel Creek From source to a point WS-IV;NSW 08/01/98 Neuse 27-11.5-(0.5)
0.1 mile upstream of
N.C. Hwy. 98
Laurel Creek From a point 0.1 mile WS-IV;NSW,C08/01/98 Neuse 27-11.5-(0.7)
upstream of N.C. Hwy. A
98 to Falls Lake, Neuse
River
Unnamed Tributary From source to a point WS-IV;NSW 08/01/98 Neuse 27-11.5-1-(1)
to Laurel Creek 0.1 mile upstream of
backwaters of Perry Pond
Unnamed Tributary From a point 0.1 mile WS-IV;NSW,C08/01/96 Neuse 27-11.5-1-(2)
to Laurel Creek upstream of backwaters A
(Perry Pond) of Perry Pond to Laurel
Creek
Brier Creek From source to Crabtree C;NSW 05/01/88 Neuse 27-33-4
Lake, Crabtree Cr.
Little Brier Creek From source to Brier C;NSW 05/01/88 Neuse 27-33-4-1
Creek
Stirrup Iron Creek From source to Brier C;NSW OS/O1/88 Neuse 27-33-4-2
Creek

Page 5 of 6

STREETS /SIDEWALK /PARKING
TOWNHOMES:
130 UNITS x 1,200 SF/UNIT
60' UNITS:
152 UNITS x 2,400 SF/UNIT
70° UNITS:
105 UNITS x 2,800 SF/UNIT
80° UNITS:
112 UNITS x 3,200 SF/UNIT
MISCELLANEOUS RESERVE
CLUBHOUSE/POOL
TOTAL PROPOSED IMPERVIOUS AREA
® 983,035 SF (5.360
®? 56,000 SF (0.850
® 364, SF (1.980
0 294,000 SF (1.59i°~)
0 358,400 SF (1.940
e 13,254 SF (0.07T)
e 101,664 SF (.556)
= 2,277,153 S F (12.370
FUTURE IMPERVIOUS SURFACE AREA CALCULATIONS
(Tot®I Build Out)
TOTAL AREA = 422.60 AC (18,408,566 SF)
MAXIMUM ALLOWABLE OVERALL IMPERVIOUS AREA = 4,418,055 SF (24°'6)
PHASE (IMPERVIOUS = 2,277,153 SF (12.370
PHASE II RESERVE IMPERVIOUS AREA = 2,140,902 SF (11.63%)
OVERAL FUTURE IMPERVIOUS AREA = 4,418,055 SF (24%)

.~
5Yg
Y
SY
7
DWQ AND US ARMY CORPS
CORRESPONDENCE
~..
~.~..

' Page 1 of 1
John Schrum, PE -Horvath Associates, PA
From: Alsmeyer, Eric C SAW [[e-mail]]
Sent: Monday, March 10, 2008 4:07 PM
' To: [e-mail]
Subject: East Durham Land Company, LLC (Sierra Subdiv.)/DA # 2006-40952
' Attachments: Sierra Subdivision (7.19 KB); NWP23_6-07.pdf
Mr. Radman (c/o Mr. John E. Schrum, PE, Horvath Associates, PA):
1 Due to workload and staffing constraints, we were unable to provide timely formal written verification
for impacts proposed in your preconstruction notification application (PCN) received in our office
' on January 10, 2008 . General Condition number 27, which lists the notification requirements for
nationwide permits, states that "The prospective permittee shall not begin the activity: (1) Until notified
in writing ...., or (2) If 45 calendar days have passed from the district engineer's receipt of the
1 complete PCN and the prospective permittee has not received written notice from the district
or division engineer." Accordingly, on February 24, 2008, East Durham Land Company,
LLC was authorized to conduct the work associated with construction of the Sierra Residential
Subdivision, under nationwide permit number 29, as proposed in the permit application. I have attached
a copy of the applicable permit conditions. The expiration date for the permit verification is February 24,
2010.
Please note that your work is authorized by the above referenced permit provided it is accomplished in
strict accordance with the permit conditions and your submitted plans. Any violation of the conditions or
deviation from your submitted plans may subject the permittee to a stop work order, a restoration order
and/or appropriate legal action.
' Please let me know if you have any questions regarding this verification, or any of the conditions of the
permit. To request a formal authorization with a signature, please reply to this e-mail or
call me at telephone [phone], ext 23.
Thank you,
I Eric Alsmeyer
Project Manager
US Army Corps of Engineers
' Raleigh Regulatory Field Office
Tel: [phone], x23
' Fax: [phone]
Regulatory Homepage: http:~~~w~~w.serkr~.aaserce:arim~:mil,"ETLA~DS
Please help us better serve you! Take our brief online Customer Service Survey.
(fitt~a%/~t~-~-v'.saws.trsace.crrnr~mil%script',~l'ra~^s3.p1~FORM=regz~latortr)
' (Hard copy by mail to Mr. Jerry Radman, East Durham Land Co.)
' 3/20/2008

ri ~ >~ ,~
,'1\ ~r.~ ~,y1
(~-^
t Memorandum
.;iC;` ~, f ;'.gi F34 rn,
~. 1Gant ~~. ~:os~ r ~crsta~~~
r.?or~it ~'s;a; a. ~e~~arL,~ea~ ~; H+ ~ -roa_ir; nt arri \a:u a~ n.~ -car:cs
Cofeen I1. Sullins, T)irecta
Division of t~~atzr Quality
August ?0, ?007 j`~, r
~~ ~
Froln: Coleelt H. Sullins` /~~ ~ _
Subj: Policy Change Regarding the R ~w and Approval of Sto1~tT~water Management Plans
' Associated with 401 Certification Applications
1 The purpose of this memorandum is to initiate and publicize a major cltalage in the review and approval
of Stol-mwater Management Plans {SMPs) submitted as part of the 401 Certification application process.
At present, all activities that require a 401 Certification and that will also have impervious surface
coverage equal to or b eater than 30%~` (this 30% is referred to as the "impe--vious surface threshold")
are required to submit a stormwater management plan as part of the 401 application process for review
and approval by appropriate DVi~Q 401 Staff. This current DWQ review and approval is in addition to
' any local government review and approval of the SN1P that lnay be required under local government
implementation of aState-mandated stormwater programm. In an effort to maximize the use of limited
staff resources at the State and local level, and in order to streamline the permitting process and remove
airy ututecessary duplica#ion in the review of these stortmwater management plans, effective on the date
of this memorandum, SMPs that have been approved by an element of a local govelnrneltt as part of that
local government's implementation of aState-mandated stonnwater control program, will not require
additional stolmwater approval from DWQ 401 Staff for the approval and issuance of the 401
Certification. For the purposes of this policy, local approval of the SMP under the following State
stormwater programs shall satisfy this requirement and shall not require the approval of the SMP by
1 DWQ 401 pernitting staff as part of the 401 application process:
Water Supply Watershed II, III, and I~
Local Implementation of the NPDES Phase 2 Program
• Universal Storntwater Management Program
• Nutrient Sensitive Waters (NSW) Stormwater Nutrient Loading Limits
• Randleman Lake Water Supply Watershed Stormwater Requirements
Under this new policy, applicants shall submit:
1. A valid appr+ovai letter from the appropriate local government indicating that the proposed
' aetivtty has a SMP that has been approved and indicating under which State stormwa~ter program
the approval has been granted along with a copy of the approved SMP, or
~. If the necessary local approval of the SMP has not yet been obtained at the time of application,
' the application should indicate that a SMP has been, ar will lam, submitted for local government
approval, indicate the local government that approval is being requested from, and indicate under
what State stotztawater program the activity will be covered by_ Any 401 Certification approved
' under this :scenario shall be conditioned so that the proposed activity shall trot cotaimence until
suds tune that the appropriate local approval has been gtanfied. in addition, following local t~~ f~
' North Caroliira t3iviseust~f-VTa~esQuality tb17 Nlal Service Ceete[ Raleigh, NC 27699-1~bi7 Phone {919) 733-5083 Customer Service
Inte~et: mww.trzavatcrqualitv.orn Location: 512 N- Salisbury St. Raleigh, NC 27604 Fez (9i"9~ 733-9612 1-877-623-6743
An Equal opporiun3ylAffmnati+re Action Etnpioyer -50°,6 RecycledhYD°b Post Consumer Paper

' govertunent approval, a copy of the approved SMP shall be s7~bnnitted to D~~'Q foa• recoa•d-
keeping purposes.
Applications for 4Q 1 Certifications for proposed activities that exceed the impefl•~Tious surface tl~reslaold
but are not within a local jurisdiction that is implementing a State stonnwater program must still contain
a SMP for DWQ review and approval. Applications that exceed the impervious surface threshold and
do not contain a SMP or the information specified in #1 acid #2 above, shall be returned as incomplete.
As a result of this policy chaizge, the Division of Water Quality will develop a comprehensive training
program for those local government personnel directly involved in the SMP a'eview and approval
process. Once this training progfl'ain leas been developed, the Division will require that local SMP
review personnel attend and successfully cognplete this course of instruction in order to coflatinue the
implementation of tlvs policy within that local jurisdiction. The Division will also develop a proactive
audit and review program that will be intended to ensure that the applicable stofl'mwater program
fl•equirernents are being successfully in~plemeazted at the local level.
' Notwithstanding the policy pfl'eviously set forth within this document, the Director of the Division of
Water Quality reserves the right to require the review and approval of indflvfldual stornwater
' flnanagement plans on a case-by-case basis in order to eaisure that a proposed activity will not violate
water quality standards. Additionally, the DWQ Director reserves the prerogative to provide comflnents
to local governments of special provisions that niay need to be incorporated into locally-reviewed SMPs
in arder to provide an enhanced level of protection to sensitive watersheds or to provide an enhanced
level of stormwater control on unusual projects.
' Please direct questions regarding this new policy to 'Y'om lZeeder at 919-733-SQ~3 extension SZS or at
tom.reede~ncmaiLnet or Cyndi Karoly at 919-733-9721 or at cyndi.karoly~a)nc~nail.net .
* Note: Under the ongoing renewal of the NC General Certifications it has been proposed to lower the
irnperv'ious surface threshold to 24% when the new General Certifications go into effect.

1
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V ,rl-~ Garclira CJeo~~ment of'~mirr~n^~eni ar~+ P~aiural P.cso~~ces
41an VV. Ylimek, P E, Dirlelct'o~;'r,`,
~ L
~~
May 26, 2006
MacGregor Development
Attn: Bruce Herbert
201 Shatulon Oaks Circle, Suite 201
Car}, NC 27707
~ r I _',,:
-,,L
f~IACGREGOR DEVELOPPt~ENT CO.
NB R# 06-135
Durham County
BASIN:
Neuse River li Tar-Pamlico
(1~A NCAC 2B .0233} (15A NCAC ZB .0259)
Complaint NOV Buffer Determination ~~'
Incident #
Appeal Call
Project Name: Earthquake Addition S&uC# (8781.w3)
Location/Directions: Located south of the intersection of SR 1908 and SR 1905 and north of the SR 1906
Subject Stream: UT to Lick Creek
date o$' ~ete>r»aiaaatn®n: 5/9/2006
Feature(s) Not
Subject Subject Start @ Stop@ Stream
Form Pts. Soil
Survey USGS
Topo
A X X X
B X X X
C X Stop
channel
$la X X
D X MO1 f1a X X
E X X

Explanation: The feature(s) listed above has or have been located on the Soil Survey of Durham County, North
Carolina or the most recent copy of the USGS Topographic map at a 1:24,000 scale. Each feature that is checked
"Not Subject" has been determined not to be a stream or is not present on the property. Features that are checked
"Subject" have been located on the property and possess characteristics that qualify it to be a stream. There may be
other streams other streams located on your property that do not show up on the maps referenced above but, still
maybe considered jurisdictional according to the US Army Corps of Engineers and/or to the Division of Water
Quality. -
No~r`thCarolina
~1latur~r!!~
North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Phone [phone] Customer Service
Iniemet h2o.enr.state.nc.us 1628 Mail Service Center Raleigh, NC 27699-1628 FAX (919) i71-4718 1-877-623-6748

~i~_I-i~~~;.l~.a .. ~L~=~~i` - -
~Urfial?l COUI~I/
x/26/2006
Page 2 of 2
This on-site deterrni«ation shall expire dive (5) rears fr~i;n the date of this letter. Landowners or affected
parties that dispute a determination made by the OWQ or delegated local Authority that a surface water
exists and that it is subject to the buffer rule may request a deternunation by the Director. A request for a
deternunation by the Director shall be referred to the Director in writing c/o Cyndi Karoly ,DWQ
Wetlands/401 Unit, 2321 Crabtree Blvd., Raleigh, NC 27604-2260. Individuals that dispute a determination
by the DWQ or Delegated Local Authority that "exempts" a surface water from the buffer rule may ask for
an ad judicatory hearing. 4'ou must act within 60 da)~s of the date that you receive this letter. Applicants are
hereby notified that the 60-day statutory appeal time does not start until the affected party (including
downstream and adjacent landowners) is notified of this decision. DWQ recorlmends that the applicant
conduct this notification in order to be certain that third party appeals are made in a timely manner. To ask
for a hearing, send a written petition, which conforms to Chapter 150B of the ItTort!~ Carolina General
' Statutes to the Office of Adnunistrative ~Iearings, 6714 ii'lail Service Center, Raleigh, N. C. 27599-6714. "i has
deternunation is rnal and binding unless you ask for a hearing within 50 days.
The (owner/future owners) should notify tiie Livision of ~`'ater Quality (inciuding any other Local, State,
and Federal Agencies) of this decision concerning any future correspondences regarding the subject property
(stated above). This project may require a Section 404/401 Pernut for the proposed activity. Any inquiries
should be directed to the Division of Water Quality (Central Office) at (919)-733-1786, and the US Army
Corp of Engineers (Raleigh .Regulatory Meld Office) at (919)-875-8441.
Respectfully,
Michael Horan
Envirorunental Spec. I
CC: Maximilian Merrill, S & EC, 11010 Raven Ridge Road, Raleigh, NC 27614
KB Homes, Attri: Chris Pressman, 2610 Wycliff Road, Suite 102, Raleigh, NC 27607
Joe Pearce, Durham County Engineering, P 120 East Parish St., Durham, NC 27701
Todd Tugwell-US Army Corps of Engineers, Raleigh Regulatory Office
Wetlands/ Stormwater Branch, 2321 Crabtree Blvd, Suite 250, Raleigh, NC 27604
File Copy
Central Files
No~~ Carolina
~tcrrally
1 North Carolina Division of Water Quality .Raleigh Regional Office Surface Water Protection Phone [phone] Customer Service
Internet: h2o.enr.state.nc.us 1628 Mail Service Center Raleigh, NC 27699-1628 FAX [phone]

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Map Tltle:
Figure I . USGS Quad
Earthquake Creek
Earthquake Creek Add)t)on
Project #: 878 I . W3
Durham CO, NC
Source:
South East Durham Quad
~I. _`(J~'.`Jlir_:'~r~ %~~f1~ ~~Il: , .r;t ~..._~~~1 t~~-i`'`'~_:\--r`7i
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Soil & Environmental Consultants, PA
11010 Raven Ridge Rd.• Raleigh, NC 27614
(919) 84E5900 • (919) 84G94S7
Web Page: www.SandEC.com

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f~9ichael F. casley, Governor
it m G_ Koss Jr . ~ reiarr
~Jorih Ga~o!ina De.partmert of cm -~n~ ~i and b!atural ~~csuur~~es
Nlay 26, 2006
Alan 1,'V_ Klimek, P.E. Director
Division of Water nuality
JIACGREGOR DEVELOPMENT CO_
MacGregor Development
Attn: Bruce Herbert
201 Shannon Oaks Circle, Suite 201
Cary, NC 27707
BASIN:
Neuse River i
NBR# 06-L36
Durham County
Tar-Pamlico
' (16A NCAC 2B .0233)
Complaint NOV
(15A NCAC 2B .0259)
Buffer Determination
Incident #
Call
Project Name: Earthquake (Ross Tract) SBz.EC# (8781.°v3)
Location/Directions: Located south of the intersection of SR 1908 and SR 1905 and north of the SR 1906
' Sub~ect Stream:
J
1

t
t

TTT to Lick Creek
bate ®f I-ete>rann~ataora: 4/17/2006
Feature(s) Not
Subject Subject Start @ Stop@ Stream
Form Pts. Soil
Survey USGS
Topo
~, X AO1 X
~ X ~1 E2 X
C X C1 X
p X I901 ~i D03 I~2 X
E X E01 X
F X FO1 X
g X II01 X
I X I01 X
J X X X
Explanation: The feature(s) listed above has or have been located on the Soil Survey of Durham County, North
Carolina or the most recent copy of the USGS Topob aphic map at a 1:24,000 scale. Each feature that is checked
"Not Subject" has been determined not to be a stream or is not present on the property. Features that are checked
"Subject" have been located on the property and possess characteristics that qualify it to be a stream. There may be
other streams other streams located on your property that do not show up on the maps referenced above but, still
' maybe considered jurisdictional according to the US Army Corps of Engineers and/or to the Division of Water
Quality.

This on-site determination shall expire five (5) years from the date of this letter. Landowners or affected ~nr`thCarolina
parties that dispute a determination made by the DWQ or Delegated Local Authority that a surface water ~!!t!!C!l~~~
North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Phone [phone] Customer Service
Internet h2o.enr.state.nc.us 1628 Mail Service Center Raleigh, NC 27699-1628 FAX (919) X71-4718 1-877-623-6748

i ~~ ~ ~ ~ ~ _ . .,T _
~ _ _~,i_ ~
?a5,~~nf
maybe considered jurisdictional aecordinc_ *o ii~e US .trmy Co~Ts of Engineers and/or to tl7e Division of`.uater
Quality.
' This on-site determination shall expire five (S) years from the date of this letter. Lando`vners or affected
parties that dispute a determination made by the DWQ or Delegated Local Authority that a surface water
exists and that it is subject to the buffer rule may request a determination by the Director. A request for a
' determnation by the Director shall be referred to the Director in writing c/o Cyndi i{aroly ,DWQ
Wetlands/401 Unit, 2321 Crabtree alvd., Raleigh, NC 27604-2260. `ndividuals that dispute a determination,
by the D ~VQ or Delegated Local Authority that "exempts" a surface water from the buffer rule may ask for
' an ad judicatory hearing. You must act within 60 days of the date that you receive this letter. Applicants a; e
hereby notified that the 60-day statutory appeal time does aot start until the affected party (including
downstream and adjacent landowners) is notified of this decision. D~VQ recommends that the applicant
conduct this notification in order to be certain tL•at third party appeals are made in a timely manner. T'o ask
for a hearing, send a written petition, which conforms to Chapter 130B of the North Carolina C=eneral
Statutes to the Cffice of Adnunistrative I-fearings, 6714 P~tail Service Center, Raleigh, N.C. 27599-6714. This
determination is (7nal and binding unless you ask for a hearing witlun 60 days.
' The (oFVner/future owners) should notify the Division of Water Quality (including any other J ocal, State.
and Federal Agencies) of this decision concerning any future correspondences regarding the subject property
(stated above). This project ma}~ require a Section 404/401 Permit For the proposed activity. Any inquiries
' should be directed to the Division of y~~ater Quality (Central Office) at (919)-733-1786, and the US Army
Corp of Engineers (Raleigh Regulatory Fietd ®ffice) at (919)-876-8441.
Respectfully,
Michael Horan
Environmental Spec. I
' CC: Maximilian Merrill, S & EC, 11010 Raven Ridge Road, Raleigh, NC 27614
KB Homes, Attn: Chris Pressman, 2610 Wycliff Road, Suite 102, Raleigh, NC 27607
Joe Pearce, Durham County Engineering, P 120 East Parrish St., Durham, NC 27701
' Todd Tugwell-US Army Corps of Engineers, Raleigh Regulatory Office
Wetlandsl Stormwater Branch, 2321 Crabtree Blvd, Suite 250, Raleigh, NC 27604
File Copy
Central Files
No ` Carolina
~tlfl'Q~~lf
North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Phone [phone] Customer Service
Internet: h2o.enr.state.nc.us 1628 Mail Service Center Raleigh, NC 27699-1623 FAX [phone] I-877-623-6748

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Project Number:
878 I . W3
' Pro ect Manager:
DG
' ' Scale:
I " = 2000'
' ~ Date:
0 I /23/06
Map Tltle:
Flgure I . USGS Quad
Earthquake Creek
(Ross Tract)
Project #: 878 I . W3
Durham CO, NC
Source:
South East Durham Quad
~ I
Soil & Environmental Consultants, PA
1 tO1D Raven Ridge Rd.- Raleigh, NC 21614
(919)846-59D0 -(919184&-9467
Web Page: unvw SandEC com '

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~W1TER3 OF THE UJ3. SUBJECT TO THE NEUSE RIVER 60 R BUFFERS
[adetmptant atroams; mw! be co~dtrtr~ed by the USAGE nM DWG]
~'YATERS OF THE U,S. SUBJECT TO THE NEUSE RNFR 60 R BUFFERS
[peiemid sheanla; must W cold M tM USAGE end DWD[
~NARgNAL WATERS OF THE UJt. POTEHTULLI_Y SUBJECTTO THE NEUSE RNER W R BUFFERS [must be connrtned by Me USAGE and DWO[
= SSEC FlAO DENOTM6 THE START4i6 POWT OF THE NEUSE BUFFERS
(must ba eonMnM M the USAGE aM DWG
= Sd.EC qAG DENOTING THE STOP POINT OF THE NEUSE BUFFERS
[must ba coafinned by tlr USAGE and DWG
= JURISDICTIONAL WEfLAND3 '
[muri bt coMm~ad dY lha WACE7
= MARGWAL WETLANDS
[must M eo~im~ad by Un USAGE]
= BOUNDARY OF EVALUATED AREA
=TIE TO
=CHANNEL
= PROPERTY LJNE
. TOPO IJNES

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their entirely. AR bents should be surveyed and the stream `~
witlth either sfw~wr a rested at eadr wrveyed pourL ~I ~
' wetlands ~~~ ~~ ~~_ _ _~~--- \\ ' 11 i ,.
The wetland boundaries have been Ragged with pMk ~~ ~ 1 1
saec logo hags. ead, eaa Fxdudes a number ~e.g., 200. ~ ~ ~~ ~ ~ ~ ~ / /
AR wetlands should be shown as dosed polypors. ~> > // i ~ ~ ~ %, I I ! /
some may be tied to the property titre or the stream '~ / / , ~ ., \ 1 I I I ~ /
dtannel as noted on Ne nap. ~~ \ '~ / / % l \ ~ ~ ~ ` ~ ~t I / ~ 1 I I'
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~ Soil & Environmental Consultants, PA ~~~~~~
11010 Raven Ridge Rd.• Raleigh, NC 27614
{919)846.5900 • {919} 846.9467 QV E
Web Page: www.SandEC.com
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Project Name: Ross Tract
Project #: 8781.W3
Project Manager: David Gainey
Site Location: Durham, NC
Source: DOT GIS/ Durham County
1 /23/06 , rr_ ~~~~T

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OF ',N A. T~~
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w[ici~ael r. Lasfcy. Go~'ernor
'Nilliam G. Ross Jr_ Se.cretarv
North Carolina De}~artment of Environment and Natural Resources
Coleen H. Sullins. Director
Division of Water Quality
December 21, 2007
Durham County
EXP# 07-2022
EXPRESS I~VIIEW N®TIFICATIDl~I I,ETTE~
East Durham Development Company, T_LC
Attn: Mr. Michael Whitehead
201 Shannon Oaks Circle
Raleigh, NC 27511
Projeet Na>irae: S>ie>r>ra Residential SttbdivasIl®n
Dear Mr. Whitehead:
On December 19, 2007, the Express 1Zeview Program of the Division of Water Quality (DWQ) received your
application for the above referenced project. The DWQ has determined that your application will require additional
information. Please pr®vude the following unff®e->rueatn®>m s® that we >tnay c®ntnnane t® u-evie~v y~ua' p~'o,-ect and
prevent denial of your application as required by 15A NCAC 2H .0506:
The submitted application is for a residential subdivision, NW29 (GC 3705). You have currently submitted a
partial application (only including the road structures). Large subdivision projects can be phased,
geographically by quadrants, but not as you have submitted. It is recommended that an office meeting be
conducted after January 1, 2008 (preferably on January 2"d) in order to clarify the numerous items detailed
below. The express clock will stop for the holidays at Spm of December 21, 2007 and restart again on January
2, 2007.
2. Please follow the guidelines in the PCN addendum.
a. As per the guidelines, site "plans must show all built-out structures and impervious cover. The plans
must include the final grading contours with elevations. The plans must indicate all utilities and
easements".
b. Additionally, platted parcels must be developable without further impacts to jurisdictional and non-
jurisdictional wetlands, streams, water features, and- State regulated buffers. These parcels must be
shown in order to determine that no further impacts will occur.
c. Please clearly depict all of the wetland boundaries on the property.
d. Please provide maps (at least 1:100) in sufficient detail to observe all parcels and features.
3. Diffuse Flow Provisions:
a. Every proposed BMP structure for stormwater management or diffuse flow provisions shall be
' permanent, and not temporary. If a temporary BMP is needed for phase I and will be removed during
future phases of development, please understand that a new (and appropriate) BMP must be approved
by the DWQ and be installed before any existing BMP is removed.
b. All buffer widths shall be measured from top of bank on both sides of all streams. Please show the top
of bank along all streams on plans along with both Zones (1 & 2) of riparian buffer.
c. Please site and design level spreaders in accordance with the current North Carolina Stormwater Best
' Management Practices Design Manual available at htt~ //h2o enr state nc us/su/bmu forms.htm.
Please pay particular attention to the following items:
NN°n~e Carolina
4010versight 1 Express Review Permitting Unit ' . turQ~~lf
' 1650 Mail Service Center, Ralegh, Norlh Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] FAX [phone] Internet: http'//h2o enr state nc.uslncwetlands

_ _

i. i~ocating devices to follow e:•.ist;ng contours.
ii. Avoiding steep slopes (Maximum 8% for grass filter strip and 6% forforest filter strip).
' Slopes were measured to range between 16% and 20%.
iii. Avoiding draws down slope of level spreaders.
iv. Level spreaders shall be designed for 1"!hr storm with bypass for the 10-yr storm or for the
' 10-yr storm without bypass.
v. Maximum length for any level spreader shall be 136 ft.
' d. Please delineate the drainage areas to the level spreaders, indicating amount of impervious area for
each drainage area, and submit design flow calculations for the 1 "/hr and 10-yr storm.
e. Bypass structures shall be directed away from the level spreaders.
' f. Please reconcile the level spreader table shown on plan sheet C703 and that in the main application
document. Ili addition, some level spreaders are not shown on the plans. These include those with end
sections FES 9, 21, 27, 33, 58, 54 and 68.
g. Please submit a level spreader supplement form for each level spreader, including tl;e Design
Summary and Required Items Checklist along with all requested items.
h. Please submit one original and two copies of a notarized Inspection and Maintenance Agreement
Foim for the proposed level spreaders.
' i. If level spreaders are designed to receive flow from any BMP, please indicate BMP types and
locations, and include BMP outflow calculations.
j. Please see ®ptiora 2 of the Storr~fwc~ter ~ieracegep9~er~t for ~c~ffer ~s~les Section of the PCN
' Addendum and also Section 8.3.6 of t/ae 1!'C ~14~P lalarrucr/ (page ~-g) for guidance on other BMP
options where level spreaders are not appropriate.
k. Please include velocity dissipator design sheets.
Please respond within five (5) days of the date of this letter by sending three (3) copies of this information. The
' Express Review Program is a process that requires all parties to participate in a timely manner.
This letter only addresses the application review and does not authorize any impacts to wetlands, waters or protected
' buffers. Please contact Lia Myott at [phone] if you have any questions.
Sincerely,
/~
Cyndi Karoly, Supervisor
401/Express Review Oversite Unit
CBK//em
cc: DWQ Raleigh Regional Office
USAGE Raleigh Field Office
Central Files
File copy
Mr. John E. Schrum, Horvath Associates P.A., 16 Consultant Place, Suite 201, Durham, NC 27707
1
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leer Cur Conversatia~ I~er Your Fdequest
Tease A.d.VASe lplease Call
Would Like To Discuss ~ Please Handle
I-II~RD CC1~Y S>~~NT~
US Re~uls.><" Mail
ovex~.~~l~t
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~ ~Ta Ha><•J Ct~py Sent
' I~EMARI~s: ~~hn~
1F YOU I-I4.VE A.I~iY PROBLEMS WITH THIS TRA~TSIVIISSI01~1, I'I,E,ASIr
' CONTACT ~aslnc~- A.~" (9 i 9) X56-507.
~~p~p~NTXALITY NUTICE"'
This transmission is intended only for the use ofthe individual or entity to which it is addressed and may contaim information that is pri~•ileged and
conftdentiaL If the ruder dthis mcasAge i, not the intended recipient. you are hereby notified that any disclosure, diskribution oz copy+ng ofthis
informahon is Rtrictly prohbited• if you have rrteived flue transmission in error, please notify 4s Ammediately by tclcphons and Set~.rn the fatted
documsats to us at the ahvve address via thr United Staten Postal Service.
Careen<ttern Office:
f'~~F14.ftS~. w = 3$)7-~ J„awadale Arive
236 LaPltillip CouxY, Suite C CirBGrixbc~t'0. NC 27455
' Ccxicunl. NC 2$U25 Phoue: (336) 540-$r'.34
1'hvne: (704)720-94d5 .Fax: (336?54U-$233
Fax: (7U4) 72U-94t)fi
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FACSIIVI[ILE SHE' E"~

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i i01t' ~averi ~id(XC Road Raleigh, ~ rurr.fl C:s1k?~ina ?7Eii4
www,S3ud~C.co^ai
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P>i7C,IPDS,~]. I AGREEME~I'f FDR g~fy~'ESSIGI®lA1L SE~ZV)<C~S
Tl~is ~'r®posai /Agrcemezrt for Professional Services (the ",Agzeement"} is by axtd
betweelz ~ ~ .. ~ ~~
Igcated at. ,' ``'' .~ ~ ~~ ~/ , ~ f.
' (hereiz-zafter "Client"}, attd Soil ~c Etzviranmental Cgz~sultants,l?A; a cQrporatir;n, ',•~t}~ <:.ts ce7~j)or ~ttG oitice at t I G3C1-; i.s
Raven Ridge Road, Raleigh, Ngzth Carolzaza, 27b14 (herei:;zafter "S&cEC"}-
' SITE ifitFOFtMATION
S&EC shah provide tlae services as described belE~w to Client for the projeoC located ~~~' F eesv'1i.lc Road, i:7txrizaz?~
County, NC (See attached zxtag) (physical lvcatiot,} .~
~ VV /~~
AcreagE `' `~
`~
' Sl;R~1;CES.
Item 1: S&EC w II attend Site meetin S with the NG pivision ref 1PVater C~41. li NC°C7V~
I m ~• S&EC will ~ et with li nt andlor Cli n 's re resen ive s to review fin in s end ~ cuss
wetland and stt'Aam Dsrmi tin^ options far the pCOl~erty (ii retauested). (hereinafter. "Services")
S&lEC shall prt~vide the following deliverables to Clietzt ir- association with th.e Services descrt~5ed above.
Item 1: S&EG will rovide Bent with a er summarizin the meetin .
I m 2: S~tEC will t vide clien with a summa f each meet (hereinafter ^L~elivergbles'°)
t~eliverables - in connection with the performalnce of the Services, Sdcl;C shall deliver to Client ono or more reports or other docutnents
reflecting Services provided, the results of such Services or S&EC's evaiuatj~8n oeth~8l~eetfnenL and made avat~l3ble}for Cl antes u~eA11
delivered to Client are instruments xetlecting the 5etvice5 provided by S&Et= p ~ roduc~.d b S&~C in rho perfarntartce of the Services
such reports, written documezrts, original data gathered by S&EC and work paps P y data reCOrnmcndations,
(epllectively, "Work Product") are> and shall remain, the sole and exclusive property of S&EC. The Services and any ,
proposals, repotts> design criteria, and Similar es ~tenaded y C1 ont b3tyid dais Deed o S&EC athe purpose for taquesting dx Wvrk and are not to
' use of the Client on the Pr'9jcct and for p~po
be used ter relied upon by third parties without the permission of S&EC.
' FEE5.
The I`ollowirxg fees ate associated with the Sez-vices and Delivez~ables described above-
itams 1 an will be ca clad at ota haurl rates r he attached fees s ule. (hereinasfter "Fees")
1
1
1
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S&EC ppERA'~]NG GUIDELINES
Soil ~ )rnvironatental Consultatrts, PA (SBcF,C) is a Professional environmental eofn.sulting tirm that renders opisrlons in certain etrvimnme~t n
matters. hulas governing most regulated issues (interpreted and governed by locagl, ~ to and federal aS~t11C $ EC annogBu~teeythat our
many cases, affected by the opinions of inditiduals employed by these governin a eneies- Conacqu Y,
opinions will be accepted or permitted by the 6ov'et7ninB agencies.
Additional work znaY also be requested by local, state and fed ~ ~ ~~~~ red on our f schedule (if ~ his begot drethe sclvpe of our fait al work,
suf>`icierd. Such additional work will be balled at our hourly
and if authorued by the client}, if the client fails to autharize additional work requested by the governing agencies, then it Will be b,i.$tzty unlike y
that pertnits or outer approvals will be obtained. goer then, authorization of the additional work by the clitile does trot imply or constitute a
guaratttee by $&~l~ that a permits} or approvals will be obtained. In all cases, authorizaton by the client for S&BC to begin work confirms the
clicttt'9 reaAonsibility to pay all Irivoit:es for authorized work regardtes5 of outcome of authorized work.
[Arty attd ell subsurface ulilitiea (water, sewer, cable, irrigation, power, telephone, ero.) atz to be located by the client bed S&EC's silo work.
'fire signer of this contract a9sumcs all responsibility for anY accidental damage that occurs if the locations of utilities are trot clearly and
accurately marked prior ro commcncemeat of out work.
Project Number 781
$BcEC ConUrct 1Vsme ChrisFlawers
pTp]ect {Name o oa
Hate /0 1(Ig

T':~c dbOve costs asSttt:ie ~l;at nprtt~~. " o the prap~ry zre . t a , 7 < ~ ,~ be to i ac u :,F~ }t s <.~.~ ,, ---
nquires C1e^•ri~S or pi_rtit~i :l~;x~r.g a nCw ~ro~os&l cap b: <,:t~., d o tY t CC~r ,rat. 0'7 ~ '~> >.. r_o:nnl *cd h^ h tic cl'..at r co-n~ Dv
TI?c time spE.-ktt nt2 a job will i:rC!udc mabllization. ts'avel t r ~c Eo'b~ gtt-., field '~~ork. trr+~cl ~ttt,c bsck to the ofijce, do ~obt)?~atto1 ~,<ti
preparation, rr„aD Qrepuration and cgrrespo~d,encc. ':`ft'.cagc will !?e t?°llcd r<?~tndtrip ~o:n ~.be t~cartst Sic i/C off cc t;:a a~ jviGeF t't t,'~7c of c„or:.
requested.
The tertris stated in this proposal are v8lid 90 day's frhtn the date of this agteetxlent.

1
FAYIViEN'T 'l'FjtMS
(a) lnvhiCes will be submitted mhtt#llty by S&EC for paytnetlt by Client or itxlxnediately upon Completion of Services wtlass other
ipvoicing and payment tcttns are aSreed ~ to Ming and signed by bot}t the Clien# and S&EC. F'aymettt is due upon recaipt and is past due thirty' (301
calendar days fxom date of invoice. ff Client has any t'alld reason fot disputing an ~lpon `vtn of an!~ ~~ ~ en edn aEid1 T'fae~poni~ Ef 5&EC`.'s-t nn''t?ice
business days of ~eipt of invhiCe by Client, and if no such notification is gi ,
that i5 not in dispute ShaD be paid in. accordance a~th the procedures set forth herein.
(h} .4 {u?sncc charge of 1.5% per month on the unpaid amount of an iizvnicc, or the tn;ixiFtlum amount allowed by lavv, c.~tl! >G
rittci , al uzi Said balance. Any
cbar$ed Utl past due accounts. Paytn~ts by Client still thereafter be ~?Plied first tri accrued intBtYSt and then to Elie p P 6
attprrley fees, court Chats, Ur other costs incuYmd in collcchon of de?inq~tenl accounts shall 1?e paid by :.lietit, if payment of il:voices i€ trot cu-rest.
S&EC txtay suspend perfoimi.ag further wgrk.
p,UT~IOR~,ZA~I(JN
Client (pris~tj:
l~illi~g ,~ddresS:

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-
1 ~~ff~
State: dip: ~'~ '%:,. ~',~ (•-
~~,~
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i
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+ne Nut~~ber: C . r i~
ph , ~, ! i ; ,~ ~ Fax Nuzxlber• ,~ i
,
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a= ,~
~

1 S~iEC to proceed
1 understand azld agree to ali terms of this P&~OPUSP.L ~ A~=°~~~~E~T ~l~d hereby atlth.orl.ze
' with the Services as desc ' ~eil~a eve.
~ Oates - 3 OC`~
- ~
Sig a~.J o 1
Yes ~ No
As C1iet';t, l will req ' e ~ Certi$icat~ of lnsural~ce from Sail ~ Environmental Consultants, ~.A.
Client PO# (if a~pli.cable)
t
1
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S&EC Contact Name C`11~~ F1nwers Project Nmubet $T$1.~1Z
p~~~ Name ~a„~~ r r,4;fit-m-~ Nichols Road Dete 3L9314~
$pil & Envir+pnmental Consultants, FA

-,r I~~. ~_i i
~. _:r
i1 n~viran~~~r~t~-1 ~.c~n~lt~..~xt~ 4 ~
~~E[ge~.p 6tidge R<rsd • -tut~.lgh. Nart1t ~}~~l~u Snn F`f ,c.on ~bot~e_i9l~d)

1
1

* A38UtXfeS 4~lat 811 tnlTiat ~'}+Y n as c.N •~-~y r - - ' -.-
~*Froducis & seruicCS outside of S&EC scope
~[NIMUM >pRU.I~T Fl~'E _ ~30Q•00
All fees ate subject iU Change wit#lout prior notict.
'phe timt spent on a job will include mobilization, travel time to the szroe, field work, travel time bads ~ the a ce,
onder~ce. Milcago will be billed roundtrip f-'~ the nearest
demobilization, report pt'eparatiort, iuap PTePara#ia~7 a4d cArresp
S&EC off ce that providts the typo of woFk requested.
~__..,~ ~ ~~c:
{`h•~rlod~eOtficr_ 3R17.g Letwndek Dn+~
'!3b lrFhiliip t:ourt, Suite ~` ~srencbuo. NC 1?4.55
Caacnrd. NC 7.802.E PhtyJe: (336154A-s2~
Phcmo= t?UdJ 7?4••Q•iQ5 Pu; 13-'iPr19•~(3-5235
Fax: (704) 7?6-941H>

_ ~-.b:
~ kk y~ ~ 4
n < yy,, rth ~:;'s fi f ~ ~ ph ,!:. X9141 c~it -5?C~~ _ :.,.,. {~ I ~,'; F. '-+G7
t . `.f. J ,.:',: I,IF [,..~.xJC. . - 7~~.1 =\.~..~C~~et, 1 ti.QtlP ~b L f _ - ~
5'14,'l'~, j~iJ,ri'F,C,GOD1
August 15, 2607

1~C:)It~'A1 l~ .~S~OC'T;~TI?S, 1'.A.
J 6 CONSt_?Li',?i~'I' T=T.:~CL~., 5;_tI"I_r? '()]
DL]Itl-lAA~1, ti,GTt'1'1] ~'.^~I~OLli~<A ?7707
Re: T~etailed `>~Jetlruld Delineation en:3 ~trea,~1 ?_~~aluatio!i
I_~~vl.i Property
T~urba;~~ t~ounty, I~iC,
~~i r. IZoacll:
' In A>>mist 2.007, S~E'C persons~el carn.pletec? t}:e ~~eriiicat;al~ oft~~etlua~d de'_.ineation «nd stream ~~•alt:ation
on the Eg-y~t Property in Durham County. You will ;v1d the: attaelaed report detaiIing~ a~zr fFldings.
Suppur'in~. ;naps that. farther document the u-etlund and stream related site cl:aracterisrics are also
' attached. P1La>e reviely this infonlzatian and call our cftce if }~ou l~avc claesCiens.
~I"he nekt step in the ~a~etland and stream verification process is to visit the site ~,g~lth the Army Corps of
Ez~~i.nccrs' agent for Durham County. SB:.EC 1:11 schedule this meeting at your request.; therefore, please
' contact S~.LC if you «-ould like the verification meeting scheduled immediately. In addition, I. am
attaching a copy of uttr agent authorization form that you should camphcte and rct.ttrn; this will grant
5&.EC authority t.o correspond lh~ith the Corps on your behalf.
As you move forward in plannintr your developn)~nt, S~.rC persar+nel are available for site plan review
and pel-lnit consultation sel~rices. Please contact. S£~ l~:C- if you have any questiuns related to 11~•etland and
' stream regulations or if you need clarificat.i.on of the attached report.
Sincerely.
r j f/~/ `' J/, 7(~/;~~'r'{ /~ [ter )~+
' ~f'~.''. ~~i {{~f ~r J{.le A Y`~ fF/ _4.IJ'tL-f "_/~:°. ~..~: ..e~'~~-y~~,}r~.J ~*'X.'~E .
~1~1`rle :R. Lirahan\i Jr. ~~~ ' David Gainey f
D ~i~gistlI?nviroiunental~ ciuntisi: Projec# ivlangerfEnti~irrnunen#al 5cien#ist
' Attaclul~cnts:
1) Wetland Delineation Report
' 2) UStiS site vicinity neap
3) MRCS Soil Sun~ey
4) `<~TetIand & Stream Sketch Map
~) Agent Authvrizatiun I?ornl
' b) Requirements tar I.)elineatian Maps
Char[ntte C)PFice: Grcc;nsh<)rg 0~_is:c:
236 Lci'hillip Caurf~ Suite C' 3S 17-L La~tmdale. Drive
' co;,~ra, NC 2tti025 Grccusboro, NC 27455
Phone; (7b4)?2U-9405 Phunc: (.36)540-8234
Fa.~ (71k11 720-94{)6 flax: (336) 5q0-b235

!]~~v ~1'd0i1 Jl.iC]`~C :ti05C1 i:~.1L'l~el, r~0,'ttl {„?C0lF1lft :.751.-e t -~ULt,. - .,~_.
'.,;'~T~^h'. S all (~ C . C 0 P.1
qq _ k f... ~'J eT( ~~RI~C~r117.Ii ~~. rt,i :,.,F ~b7 (~tr i~~CT i•_r ll)~5~ ~'Y F ,4'i ~~l'. ~~1 ~`]~„l Y~~•1, l1 ~LS`.~~il 'P ~}.~~T s. ..
~},1,IuliT 1,',?007 S~~LC:1:;ersc;n~~e1 compietc.~d adc.laiicrl ~~'etialtd C1cLilleation ~Txi i~cus~:;
ctr~~~m buffer e~~aluation on the 1/•gypt1.'roperty lpproxilnately (~-'?OQ acres). ~;is~UA~ 1 and 1~i~~.~I•e
..;
-sho~.~~ the Incation of the sitrv on a U,~CS topogra{.~l-,ic cluadran~le ~~nd ~1i`C~; t~'~~`t~iizti~' S~~il
Sul-vey, espectivel•,f.
(+.~i;C:l.1li'1'. YUi!'k,~?fl)c't_
'}`~ e l~avG CICtCrIl2lneCl tlliif. =~ ;ve.t)at;ds '%',Ild 7 Slream channCis 3CCOUlli ~Or lI?.C t1i:S!~7•CtJ.?ill ~'/,`t~?"S
t~bserved. the attached ~{'~:t1a,I~d sketch ~r.ap depicts the appraxi;~nate loc«tions of sa-e~u;~s and
~zTetlands identified duT•i`1b our evaluatlot~. )'lease refer to the sicetcl; Tna1~ a,nd the resulrs and
recnmme;~dai:ions secti`.:~tt l~elc~w fcr more dot: fled infonnatol~.
~C"i?Pl's ~1i~ ~~'!'ORFC
' f he detailed wetland delineation consisted of traversing the property t0 c;xa;1:=ine soak,
vegetation, and hydrology across t'~e site i.~~ search of areas that meet the criteria far juT-isdicti~~~~ai
wetlands as described by the procedul-es set foT-tl~ in the C`c;tps of ~n its leers 1'~' etlaa~c~s
' Delineation iylanual(Jantlary 19~? - Final Reporrt . ,4reas on the silo «,rith positive indicators of
hyd;-ic soils, evidence of wetland hydrology, and presence of hydrophytic vegeiat;on were
~L-C low n a Toxinaated on the map. Proof
flagged with sequentially numbered, pink S~~ ~o f7aggi g pp' -
' of wetland hydrology would be the existence of hydric soils with oxidized root channels in t.1~e
upper 12 inches of the soil profile, water boz-IZe deposits, dl-ift Iincs, scour marks, drainage
patterns, regional indicators of soil saturation, etc. Sui-iace waters such as intet7nittellt and
' peI-ennial strewn channels, ponds, and lakes, which al-e also subject to regulation b}r the US
Ar~z3y' Corps of Engineers (liSACE) as waters of the US, «'ere also identified. These surface
waters may also be referred to as jurisdictional waters to indicate that they are ~~~ithin the
jurisdictioix of the USt~CE. It is important to note that wetlands are also classified as waters of
the US and regulai.ed by the USACE. under authority of the Clean 1'~Tater Act (33 LJSC 1344).
SREC's Neusc stream buffer evaluation consisted oi' examining each feature on the site that is
shc~~vn on the most recent version of the US Geological sun~ey's 7.5 ~~linute Quadrangle or
' MRCS soil survey using NC-DWQ strcatn evaluation techniques.

Circcnshgro Oi'fic_c:
Charlotte OCiice: 3817-E L.au~ndalc Drive
23b 1.,ePhillip t:ourt, Suite C Greensboro, NC ^745,5
' Concord, Nt: 28025
S£~EC Project ~1 8781.1'4 Phone: [phone]
Phone: [phone]
2007
August 15
^ Fax: (33(i) Sao-823.5
,
rnA.1 ~~n_nan~
r....,. r

1

,1~~.sSi
~;~~;_._ ~c; ~ ,.,1. ;=
-;,c _ .

!'J'I_'i:~!!'61!!S QF7f( .~r!i'T,S(IiCif(fiilif ~1'L1tGi'S':
WC }la VC detel'il]lll(;Cl t17a1. ~IIrISEIll;tlt7na]. ~4'atciS (i.C., StPCa111S ~llld ~Vetl'a3l<iS~ C'\iSt till L}1C SItC.
PleaSC refer to the attaclleil ``Wet.land Sketch i~~iap" for sl~ccific flag nulnbe.rs <snd al)]~rox.irnaic
locations.
4 tivetland features a;xl 7 jui~sdictional stI'ea-n1s ~~~crc oh~ser~~~~~cl ~-,~itl:in the 1= ~;ypi hropca~ty; '.1>~~'
upproximlte. locations are illust,ra.tul oil the atiaclled ~VCtlani] sketch n~az~. ~tr~:,~ams aid ~~~etlan~as
i de:ntr;icd tin-site urc dcscr;.bed bF]a~~~
_] 'S i i~l~ r ~ 'li'Cl r.0!~S ?.t J~~~,'S. '.tlv ~ u?~.11C1
'~ah.~rc X11 is all interniitt::nt ci~~~n'i~ that 9:a~_ ~~ ~J
is marginal for the rest of its e?dent ~~n propert_;~.
'eatlll'el~ 1S iln IIlt~1'nl;tt:;lit Ch~?h:1Ci tilCjt 5t?i'tS ^t 1~~QE~'. aid fjC}~,~; ~; 7i;t!~ id'at11rG' !-~.
r l'~~lilli'L'l~? 1S Clil I21tCI'1!llttelit Chc^.ILrle] tJ~i7,t S`.i1i~5 i;it'~/1(~, c'iti~ St(J;)S LS~C~S
~~tttlrC !~ 3 IS Zll liTt.erll~itl.ent chai;]iel that St2rt5 t ~' 12 ai~ii Still)S alt ~~-"~
~~ :i~eature A=l drains onto ilZe Iaorth~~~rsterll propcl~ty boundary and ins_o 1=cature. I~.
=eature /~ associated ~i~etlai.ds (JO] TTPL -?30TTPL~
Feature I3 is perennial channel (~~lartin Ural~ch} ad~aceixt to tl~e south easti:rn f~ro~urry
'ooundary.
Feature Bl is a perelulial cha;~nt] t11at drains into ~'eatu=e B
• restore B? is a i~'larginal charnel
• Feature B3 is a i'~larginal channel
• Feature B associated wetlands (Flags l I ]TYPE: 123TTP'L}, (126TTPL-129TT1~L}, and
(l 30TTPL-l 32TTPL)
• Feature C DCU3 is an intel-Inittent channe.] that starts at flag DC03 and stops at flag
DK04. There is a margil~.al conAlei;tion as the clzanl~el sta>.rts again at DI~OS aild f7ou~s into
Feature B
Feature D ~~~as not located. in the field
a Feature E is a perennial channel adjacent to the northern property boundary.
Sur#'ace waters on this site flow into Lick Creek in the Neuse River Basin in Durham County,
which has been classified in NC-DWG's "Classification acid Water Quality Standards Applicable
to Surface Waters and Wetlands of North Carolina" as WS-IV NSW.

_`~~t~~act . `..~ti''''
i' t^e 3 ',r'
i'l1E'v,F~ l.i?C15 -J1737tG L t3(~' C~C,i!'~it!CCi ~15~~~~~17~ ct i-i )~aCi~ ~a~t t v,iC~`vC i .
~ • > >,~,1 i!clcl ~ U;~]? .4 ..Tt~J-;~ ~~rnll.l~~ ~}v~Ltl-,11_US. 11.7 4 w~'~tiZi1C1 ~j/Jr, ,5
<~l~tllill;d Lil ~..>.c 17UhlIL'<t:L1Clt -
(;{11111'11017 t11T0Ua~"10ut I}e lJIeCi1170nt rai?IOtl afl~Ort}1 Cart-C1llilft Ind lS fOllIld '7~i,7it~~' c1 ~':~i1~.I1G~~C;+~'`~"i~
streams like the one ol7site.
~;~,;ItrE4~~/~'€f~v o~'.1>tsrl~at~t.I~;tE~er;~.
The suri'ace waters patclltially subjr;ci to tltc I~~trhatn i2illarian r~ulfcrs Include Teat':.res ~1, .'~l,
t~?, r~3, ~a,~, 'g, B 1,132, C, D alul ~! ~.1{, c;thcr urfacc ~vaYe1-s are ~Ixlicated on either tht t_?SGS
topo~,raphic or I7urlla~ll Coullt~r Soil S~tr~~e~- n7alls. '['11e nr11~~ ~~•urface ~,vatcrs t(1at S~':.TC' actuail}-
y - ~ - ~, ~ f l~ eatures :~ n.l ~'~2, ?r3, ~' ~- ~, R 1. C ~lci F, i`~ C-
17ct1e~res are subjr/ct to ~},e hufTers c_nsist ~ ~ ,
]~I~NQ ~1]11tSt COilflt711 0113- Stl'C~E1117 1111:~1'Gi' dCtCI'Il?111(313~~DS. 1'~f.ct5e 1Jc a4z.%~G, l~Gi'dt 1~U°jLT OS~~UIut'Gi1S
n7~~y v.~ar~~ i,ctYveen cite :end county jLlrisdicticzl.
-,:t'~:c''~;t' ~It1~1J1~~ \`~",ti:i',I' ~~.'.lt`,C:
The surface ~~-•aters on site (i.e. ~pcrennial strea~llj lantentially subieet io the ~'~rater S~~~ppl~~ ''v'~~~aer
mules include I eatul~es ~, ~3 and E. P9ease lie <f~~~are t17~.t t~ecause of the t~iater cI~.7<~Iiry -
- ] C0-'teat ; ; aC:LSaI1.
classification on this ste, 1=eut.ure 13. v~`i11 require a state mazldate~~ 30-foot o1
buffer, depending upon the ;tnl~ervious surface of tlae prul;oscd dcvelo;~anel~t. ~~~ ether sv~r~,ae
~~~aters on-site are indicated ~1S 1}ere1711taa f08t1ireS 0f"t tiie i110St recent 1_i5C7S rl'r31,!1~1'c~l?11;C
~u~Cll'c~I1~lP,.
The following table(s) present the assigned label (i.e. ,~, ~, ~', 1, 2, ~, etc.} for each feat~.~re c17
the site. Information is also presentee regardi~~g the classification of each feature an the t~SGS
7'opc~gral~hic ~uadrat?gle and i~TRCS Co-ttnty Soil Sun~ey.
'1'al3Je a: S f to fe~tttres ~crd elassJfic~ttl~~us
ttl ~

i+eahtrc ~1.:SS7~L'3tI0Ii Oil
IISGS ~ta55t1'ICeitlOn Oal
Soil Sur~~ev {~.';~SSIt°CCl
I~ie'd ;,s
Aj intermittent intermittent intermitt .
A Not Shov~~n intermittent intermits
A7 Nnt Sho•a~~n intermittent intermitt
p; Not Si,o4',~~ intermittent intermitt
$ 1'erelmial I perennial perenni•
G intermittent intermittent interruitt
j~
E ;vot Sho«•n
~ perennial interuuttent
peremlial margin'
perenni
p4 __ ~-_Iniermittcnt Intei7nittcnt lntermitt
nt DKUI
nt DICUZ
nt MUI
ns S l 2
l Off Property
nt ' D(v03 and
~ L~CU5
l e
e
e
e
a
e
~ 1~ lag ?~~Za~'g'
a
aI 1 Off -property
ent ~ nff property
All S&.EC: flags coinpt~sing the wetland and jurisdictional waters delineation should be surve~~ed
and a Wetland Delineation Map generated for use in site planning a~ld US~1G~ approval al~d
permitting. The entire length of each stream feature ~x~ as not flagged, but will need to be survey
i"A F'i.eici Guide To North Carolina Wetlands"
hescsurces, January 1996.
Dcpartmc~nt of Lnviro~unent, Health and. Natural
1

gat ~_.._,,~
~_ n.'r t ~ ~ ~ ~ ~ .
F
t~ t ~~ F 'TJY ~' cI~iCrS ; [ . )L E u
V i:L ~ )I' 'C~ L~rC! ~ C1Cf T't'.1 ItC' i' 1 1 J ~ u _
„~i;lCllll,C LtJitl1 i;lldC".1701 „~tlfl"IS FlOtcCl c.l ~_. C,h ~'.F1."~.~r y 5347i2i.) ~(" of thy:, _(~,1} r~j~-}-;~I~~t. J ~1G ~~~~Cti~I.~J
Delineation ~~iap should includ'~ all of the irl~fornlat:oll listed o1i ~l.e rat~~che~d ~ ~7~~:~~-lrl ~ f'-:~ its ~ `'~''
`i`~'et;a::c4 C~'eliklesztiar! ~~~~I:~s." S~.FC Clelineation iiagnunabers should be sllcl~.vn on the,~,~.tlal~d
surrey. Please have the property otv.ler or contracting buyer complete t]lc attacllcd a:;exit
autlxJrizatior lone if you ~~'c}uld like S&l=C. to aCt aFl tllelr be11~1]f 1~or reclucsting approval of the
';'etland delineation. '.1~'}lis f=orm swill also be ;_~ISe:d iIl prcparillg a perlni.t al 1Jlication for ilrlpac~S to
' ivetl"ncs OI' SUT'taCC t;' tfrf'S tvilell t~'C al"C l%rOVIdC:CI 4'~'Itll tt plan Slla'~Eiill~~ t17~ jJIC'11C red 11111Ja~~tS.
~ r F ~I~ 'r 1~,~1 ~.' ~1 ~i14! § 1~~ny5 ~ [ !~•` r,et `?.
~. r1. ~ ~SChd~t~~~ tiCt'3~~tF..P "6'I CC;S OP2C~C E' ~rCS~! ( t
;I.~ rC 4E S . ~.il~f 1 <~ ! ~~, ..SC ^n ~.~~
.rf~ 1 CSC.. ,.f':"_ 'e rk',C~[. t~..lF.~r~;'? .J .$iC ,. ~ .:C a.. " _f'„ ,.. ..
E ° Ir,Tf C ~ ~ ~ f p ,.
_ ... .! -;ti °. ..r !'~~:a~ .:1 (f ~ .:~. F?:., .. ti;1 ~ ~. ~~~. r~.`l :5 ,`p'4 ^I'!~'Jj 'j` ,",2''n ~,1~-~idf''vl
^~timiFli1i1C3i1R
A gclleral list of regtillations that alJl~ly ±cr i'u1~sd.ictional wetlands an~i t=.'aters presealt. EJr t}-:e sitr~
arG; CI1SCll5S~d 17e1C?VJ. PIe~~Se ~`,e a',~':I'C thi't Othel' ioCal, 51flte, arld cCdC'.I'ai L'~-~'.11atlOnB ;IC!t i1)cl'ut:F~'_~
In tI11S IISt 51'aV a1S0 a'ppl}'. ~t 1~(' ?~e1-Sniiliel are ut"r=l~a};'lr. 1Q C1SCuSS':llcse r~ ~111.at101'S a5 tl?~V
' 11Iip]`J t0 y0L'1'''ll'O•)CCt.
' L~,rF?LtS2 tsli'E'f' >>I~~~Cr• Ii.[I(fY.~:
The house ].diver Basin: Nutrielat Sensitive ~~v'aters i~~iana~,enlent Strafe<Ty: i~rotection and
~~Ia1ntetlance of Riparian ~.reas with Existin~Farest Venetatic~n (] SA. NC'.~.C 2E,Q2 ~~ rules
' apply 50-fact wide riparian buffel'S directly adjacent to surface `j~atez~5 in the I~?e~:se River Easil:
(illtcrmittcni streams, pere11~1ia1 streams, lakes, ponds, and estz~aries); cxcludiFlg ~~'etiands. Tile
rule defl~es surface ~'<~aters as features approximately sho«'n oc) either the most recent versiol~ of
' the soil s>,u-~~ey map prepared l,)y the'Vatural Resource Conservation Service (NRCS~ of the ~S
Department of Agriculture (L~ SDA} or the 7.5-minute quadrangle topographic maps prepared by
the US Geologic Survey (1/iSGS). Surface waters that appear an these maps are not sub}ect only
if aax on-site determination by the NC Division of t~'~'ater Quality (i~C"-D~'~Q) shows that they fal]
' into one of the following categories:
1} Ditches and manmade cnnveyaaice;s other than madihed natural streal•ns;
2) ii~Ianmadz ponds and lakes that arc located outside natural drainage ~~-ays; czr
3) Epliemeral (stol7n~vater) streams.
' ~TTrrt~r ~arpplt•, ~3irlers I~r~les:
Feature B and E is mapped as a perennial sirear•n an the USCrS topographic quadrangle. Those
perennial streams identified on the U5GS ~~'ithin a classified water supply watershed rectuire a
' 100-foot buffer for nel~r development activities t~~itll greater thalt 24 percent "bu.iit upo1~ ~ area
(i.e., percent covered by impervious or partially impervious cover} and a 30-feat buffer for
actin-ities with less than 24 percent built upon area by the NC-DWQ. (These but~'crs are in
' addition to the any other st1•eanl huf~:ers. The stricter of the two buffers applies to these stream
channels.)
' d~6'd~lar~d Per~raittirag:
Please note that new Nationwide Permits 4ve;re Fssued. by the USA.C'E on March 19, 2007. The
U5t~CE ~Vilmin~rton Distt7ct issued re~~ise~d Regional Conditions for the 2(}07 Natiom~'ide
Permits an June 5, 2007. Therefore, the USACE may once again review requests far impacts to
1

-~ , ~ _
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_ ~~'r ,c .t r ,
5 -<
t~
-,4;i~ .:il~ 'dit ~ ~ lr i ~, :'Etn1C .~i~ i i :~ :~'1S ~„5, s e,i'i~ 1;`:e: r1 ": ;, t~ `i. ii.
i I -
„OilCOE?tL~i1_J 51:_e J)J~.,J1 ?U~Crl i ' f~r t;, f(,1" 101/1C",:~' ~ ~ O,i~' Cf I~LT, ~~tri7172~1:a~ S}~CCiL1i St. 4ri10 .,a1i ~ C~~
<ldVi5(; "JO El Of file SjJ(;CIf1C Jet.."Ii1lt.ti?` .l`~~=C15<15,;~''OLl 7i"(1~'TC'Sti.Ili(?li`,T,}1 iJ1C ~]Iai:P.l;l.~.T, ~):"('C'SS.
CItTleTatl~'~ ~VCtiaild irllpaCt pCTTT11tS arC iSSLBed OI1 ~ pCT-~TOJCCt I)~515 aS dCttrrl~Lllf'd J~}' t.Jlt
liS~.C~'. ']'he USAGE has detel~z~ined ih~Lt impacts c»T parcels sLtb-divided fT~J1I1 iaF'~,Gr tracts ~,re
sometil~les considered to hc~ cumulative ict txistnlg impacts frn" the large t;"act. T1'this is the ease,
thcl~ tl~lresiiolds I-or 1~otilicatiol111~ay tot ~pphr to ~.~c;t~l' T~rr~i~ct ~li~d iI1~J~uctS to stri;anlsi-,~~~ti~n~ls
?7~L!St fiG CC1I1S1CIC;1"GCj ?il I1?Ill 01 CY.iSti21~ p0'1'llllS,
'3:he weft; nd and s'~"eari~ d~lirn~ation ;or tide Eg}'pt ~~'rciper+_v approximately (~2~!0 ueresl ~tivas
c~l~~pi';,~ted by S~r.I~C on Ji.11y?~, ZGQ7. Ti~is site contains iLiTisdactic~nal streams CPlrl ,~><,etJa;Td
areas that that Inay' TequiTe preconstl-tlction authoriratlazi far Irnptrcts, ctepelltiing cri~ the sire algid
r?aturc of the ilnr~aet ~i.e~. Toad cohstitiiction, lot till, storluwater ~i~olld crmstTUerinl~ ~.,.
grid ~i~C 1:?`~~'tJ veri~catic~,: of c1~.r sic ass,essi~;elTt s scheduled and ~ a11-,vzJ1',e ilotif ud L~l;~;n ij5
' col'llpletion.

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Pro•}ect Numeer:
878 I . Wa
Project Manager:
QG
5ca le:
~~ = 2000
dates'
08l i ol07
Mai Title:
Figure ! . USGS C~uad
E9Ypt Porperty
Durham County, NC
Source:
South East Durham Quad
Soil ces Lrivimnmenla) Consultants, 1'.A
11010 Raven Ridge Rd.• Rash, P!C 2iE1-0
(91513•":6-b900 • iDig}SAG-9.1v"7
~i~cb Page: ~Hr: n`.S~ ~dEG.com

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FIC~11Ce 2 - ~JOi~rJ" Ul"Vey
~9YPt Tract
Durham , NC
Soil /E ~ricoamenh2 Cantulta~nte, FA
»o~a t~rrm Wdpr Rd• , HC 77f~14
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Detailed Wetland Delineation Map Project Name: EGYPT PROPERTY
1 inch = 400 feet
Project # 8781.W4
--- Project Manager: David Gainey
~ ~aU # Uiivlt~-unYntal ~o+tt+uluat~, CA Site Location: DurhamGounty, NC
I161~ fs.w«i Wa9x Ha + N~Q+, he R7pt /
(~IOIAMf96A+161a1AM7>idaf August 10, 2007
w+~"~+` wr~rnx~a€c~nt Map by: James Graiaam
Legend
=Perennial Streams =marginal streams
=lnterrnittent Streams ~ 1i' =Marginal Wetland
~._ ( 1 =Property Bowidary
,. ~,~, ,~ =Jurisdictional Wetlands t_- _1

1
August 10, 2007
S&EC Project # 87S 1.~~~4
I
HORVATH ASSOCLATES, F.A.
I .Athi_ JEFF ROACH
lb CONSULTANT FLACE, SUITE 201
DURHI'~~1, NORTH CAROLINA 2770 7
I Re: Detailed Wetland Delineation and Strum E~-aluation
Egypt Property
I Durham County, NC
;V'ir. Roach:
I In August ?007, S~.EC personnel completed the verification of wetland delineation and stream e~-~luation
on the Egypt Property in Durham County. You will fend the attached report detailing our findin£s.
Supporting maps that fiuther document the wetland and stream related site characteristics are also
I attached. Please re~~iew this information and call our office if you have questions.
The nait step in the wetland and stream verification process is to ~~isit the site with the Army Ce~rps cif
Engincers' agent for Durham County. S&EC will schedule this meeting at your request; therefore, please.
I contact SfiEC if yRou would like the verification meeting scheduled immediately. In addition, I arsa
attaching a copy of our agent authorization form that you should complete and return; this ~zll grant
S~.EC authority to correspond with the Corps an your behalf_
I As you move foxward in planning your development; S&EC personnel are available for site play revic~'
and permit consultation services. Please contact SBtEC if you Dave any questions related to wetland ar;d
I stream regulations or if }rou nod clarification of the attached report-
Sincerely, - ' `
}L~ 3r-
ol~xu~ntal Scientist Projed'4langerlEnvironmentai Scientist
I Atta+chmenis:
1) wetland Doman Report
2) i~SGS sits vaciuitY ~p
I 3) ~tC~ ~d Sua~•+ey
~) Wetland ~ Strn Sketch Map
S) Agent d~,lti~n Form
I ~ R~ fos Il~elir~eation Maps
I ~
38t ;7-ilr ~oNer~elfe I~nim~e
I ~b ~ t"~tt, Ssrdae ~ (3,zao,rsbo~,'Ml~ ~~~
tea, ~ ~ F!t,~m,~ 1 `5+~
F~r_ P~tl ~i D-~4~6
~~l~i~~~~.menla~ (~;o~~sc~ltan~~, ~'~.
1?bt0 Ra4•en Ridne Road Raies~,'~at"~i Ca:ai~a 27614 Fiaene: (y19) $46-59QQ ~ Fes:: (91Q) ~:~b °~6!
av. ~r.SandEC.com

• foil & ~~-~irc~~imerita~ ~ansul~al~.ts w ~_
llOfO Raven t~r'uge Ke~xd ~ Ra'er~', Noah Cara:ina 27614 ~ Phone: (~19j &d6-59(x} ~ Pax: i919) X46-067
:v~~vv.Sa~'sdEC.com
1
DETAILI';D «'ETLAND DELINEATION ~'.'. NEtiSE S'TREA\I BUFFER E`'.~LUA'rION FOR
' Ec~~n~r PROPERTY
On July l9, ZOC~7 SPEC persorulel completed a detailed wetland delineation and NeLSe
stream buffer evaluation on the Eg}'pt Property approximately (=2Q0 acres). Figure 1 and Figure
show the location of the site an a liSGS topographic quadrangle and FRCS County Sail
Survey, respectively.
EsFCU~rtVE SU1~AtAR1
~Ye have determined that 4 wetlands and 7 stream channels account for the jurisdictional „ paters
observed. The attached wetland sketch rnap depicts the approximate locations of streams and
wetlands identified during our evaluation. Please refer to the sketch map and the results and
' recommendations section belo~k~ for more detailed information.
SCOPE OF ~~'ORK
The detailed t~~etland delineation consisted of traversing the property to examine soils,
vegetation, and hydrology across the site in search of areas that meet the criteria for jurisdictional
wetlands as described by the procedures set forth in the Corns of Engineers Wetlands
' Delineation iylanual (January 1987 -Final Renort). Areas on the site with positive indicators of
hydric soils, evidence of wetland hydrology, and presence of hydrophytic vegetation were
flagged with sequentially numbered, pink S&EC logo flagging approximated on the map. Proof
t of wetland hydrology would be the existence of hydric soils azth oxidized root chancels in the
upper I ~ inches of the soil profile, water borne deposits, drift lines, scour marks, drainage
patterns, regional indicators of soil saturation, etc. Surface waters such as intermittent and
perennial stream channels, ponds, and lakes, which are also subject to regulation by the US
Army Corps of Engineers (USAGE) as waters of the US, w ere also identified. These surface
waters may also be referred to as jurisdictional waters to indicate that they are within the
jurisdiction of the USACE_ It is important to note that wetlands are also classified as `Waters of
the US and regulated by the USAGE under authority of the Ctean Water Act (33 USC 13~}.
' Sc~EC's Neuse stream buffer evaluation consisted of e~carnining each feature tjn the site that is
shown on the most recent non of the US Geological survey's 7-31Vlinute ~h~adrangle or
' FRCS soil survey using ~T9C-~~'V~Q stream evaluation to~-
~ro~I~~
~crctat ~ja--~~
' ~~ tub c«ar#, s~ ~ , ~ :raa~:s
mtc 3~s tom; Ii:t~a
~l ago-~o3 ~ ~~a_~av~ ~,a,~ :~-~~~

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ff'etlarirls artd Jirr•isdlctirrrral {Waters:
~t~e have determined that jurisdictional waters (i.e., streams and wetlands) exist on the site.
' Please refer to the attached "~'Jetland Sketch Map'' for specific flag numbers and approximate
locations.
wetland features and 7 jurisdicfional streams •~~~ere observed within the Egypt property; the
approxia~iate locations are illustrated on the attached ~,~~etland sketch reap. Streams and wetla:~ds
1 identified on-site are described belowJ:
o Feature A is an intermittent channel that starts at DKO1 and slaps ~t DK©~• The char~rel
is marginal for the rest of its extent on property.
1 • FeatureAl is an intermittent channel that starts at D02 and flows into feature A
• FeatureA2 is an intermittent channel that starts at 1~h01 and stops DKOS
•~ Feature A3 is an intermittent cha~7el that starts at S12 ar~d stops at L"~06
• Feature A4 drains onto the northwestern property boundary and into Feature E.
' Feature A associated wetlands (3D1T'TPL-J30TTPL)
• Feature B is perennial channel '{Martin Branch) adjacent to the south eastern property
' boundary.
• Feature B 1 is a perennial channel that drains into Feature B
• Feature B2 is a'~~arginal channel
• Feature B3 is a ;Marginal charusel
Future B associated v~~~larxis (Flags i l 1TTPL- 123TTPL~, (12bTTPL-3 2~3TTPL),
(1,~TTPL-i 32TTPL)
' Feature C DC03 is an in#~mittent chancel that starts at flag DCt33 and stops at flag
~~ection as the channel starts again at Dl~~~ and flows into
D~a4. There is a marginal
' Feature B
Feature D was not located in tlae f eld
~ Feature E is a P~ del a~d~acent to the northern prey h+caa~+ciary-
~urpac~ waters on this silo ~~ l~~ C~ek in the Nye Ri~e< Basiza ffi ~,S~glle
' ~ltich has classified ~ 3+1~-D`~Q's `~'lassifica#ion aa~ ~1T (~'
to Surface W titers and ~e~ o~~T ~oiina" as ~VS-YY ~t~`~.
1

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Y'e.~E
The v~~ctlas?ds onsite were identit[ed as being a Bott~r~~iand ~iard~~-ocrd Forest °,~~~etland type as
outlined in tl?e publication 1"A Field Guide to North Carolina ~TJetlancis." Tl?is •,~ etlatxd type is
common throughout the piedmont region of ~.iorth Carolina and is found mainly along head~A-ater
streams like the one onsite.
Count~~iCity of Durham Buffers:
The surface waters potentially subject to the Durham Riparian Buffers include Features A, Al .
A2, A3, A4, B, B1, B2, C, D and E No other surface waters are indicated on either the USGS
topograpl?ic or Durham County Soil Survey neaps. The only surface ~,vaters that SREC actually
belie~~es are subject to the buffers consist of Features A, A l , A2, A ~, A~, B, B 1, C and E. NC-
DV4'Qmust confirm our stream buffer determinations. Please be aware that buffer regulatio:~s
may `'ary between city and county jurisdiction..
«~ater Supply «'afer Rules:
The surface waters on site (i.e. perennial stream) potentially sub}ect to the Waler Supply ~~'ater
Rules include Features A, B and E. Please be aware that because of the water quality
classification on this site, Feature B. ~~ill require a state mandated 30-foot or 104-foot riparian
buffer, depending upon the impervious surface of the proposed development. NTO other surface
~~~aters on-site are indicated as perennial features on the most recent USGS Topo~aphic
Quadrangle.
The follo~}zng table(s) present the assigned label (i.e. A, B, C, 1, 2, 3, etc.) for each feature on
the site. ln~miation is also presented regarding the classification of each feature on the USGS
T~apographic Quadrangle and NRCS County Soil Survey.
'Tabu 1;
,ill S~E~ flags ~co~prising the wetland and ~isda~rn~al v~aters clelaneataon ~~d lie e~
a ~e~~ I~lioeautiion iV1ap generated for ~ an sate plaauamg and ZIS~,~ ~~ a~
i#~g, axe ~t~e length of each stream feats ~s amt flagged, bnt ~ to fre sa~rve~
g~A d ~i~t3e'~m ItTo~i Cansiina yVe~ar~els"; ~ ~ ~'~'a~- ~ ax-d z~a1
R~so~mes,.1~ 3~9b_

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lOCated tOr th8 ~~etlar:d 1)ellncat10i1 ,ii~@~?. ~trE;aI71 ieai~.]rts Jl~ay ~3e iC>Cated 0ttl~~t~ a1017~ Ch8
centerline (with channel widths noted at each survey point) or at the top-of:bank. The ~'Jetland
Delineation Map should include all of the information listed on the attached "Requirements for
«'ettand Delineation 1~'laps." S&EC delineation flag numbers should be shown on the u~etiand
survey. Please have the property owner or contracting buyer complete the attached agent
authorisation form if you would like S&EC to act on their behalf for requesting approval of the
wetland delineation. This form will also be used in preparing a permit application for impacts to
wetlands or surface waters when tape are provided with a plan showing the proposed impacts.
S&EC cannot conduct correspondence ~~~ith the USACE urrless «~e have agent
authorization (see attached A,ent Autlroriaation). This authorization forrrr must 1}e filled
out in its entret}~ and returned to S&EC {a fared copy is acceptable).
Re~ulatior~s
>~ general list of regulations that apply to jurisdictional «~etlands and «~aters present on the site
are discussed below. Please be aware that other local, state, and federal regulations not included
in this lis# ma_y also apply. SREC personnel are available to discuss these regulations as they
apply to your project.
L ~Yertse Ricer Buffer Rrrles:
The \euse River Basin' Nutrient Sensitive Waters Viana~ement StrateQV: Protection and.
Maizrtenance of Riparian areas with Existing Forest Ve~,etatron f 15A NCAC 2B.02331 rules
.apply ~0-foot ~zde riparian buffers directly adjacent to surface waters rn the Neuse River Bassin
~interani,tterrt streams, perennial streams, lakes, ponds, and estuaries), excluding wetlands. The
rule defines surface waters as features approximately shown on either the most recent versioRl of
the soil sun°ey map prepared by the Natural Resource Conservation Service (NRCS) of the LFS
Department of Apiculture (USDA) or the 7.5-minute quadrangle topographic maps prepared by-
the tJS Geologic Survey {USGS). Surface w aters that appear on these maps are >~ subject ~n1y
' if an tan-site deteaxnination by the NC Division of Water Quality (NC-DWQ) shows that they fall
into one of the following categories:
1) Ditches and manmade conveyances other than modified natural streams;
?) l~!lanmade ponds and lakes that are located outside natural drainage ways; or
3) Ephemeral ~storrnwater) streams.
t 6~'+a#er ~'r~.pifl+~' 31t~~iers ,R~rle~
Feature B and E is mapped as a perenrziai stream on the USCS topographic quadrangle. Those
perennial streaans identif ed on the USGS within a classified water supply watershed require n
' I~-foot bum ftar r~ dopment activities with greaten t~aa 2~4 percent "built upon' ate
(i.e., pert covered by iaa-porvious or partially irrrpervi~ cover) arad a 30-foot buffer for
activities with less than 2~ t bunt upon area by t'he ~T9C-D~Q- ~3'hese buffers are ire
' addition to the any otl~ strearrz buffers. The stric#er of tine two b~uff~ers applies to these n
channels.)
F~~~rd P~ritt~g:
Pleas no#~ tla~at zz~ l~~i~vwide Permits were issued ~ tl~ U~.c~CE on March 19, ~C~. The
USAGE ~Ja~~n I3istri# iissusd revised Regional Ct~zdi.s ft~' tl~e 20(l~i 3rl$tionwid~e
' Permits on furze ~, 2~_ T~frarey the USACE may ~ re- regzzests fvr i~aa

_.~;
~-
-~a~e :,~ ~~,
- '~' 1'-
;unsaicttanal «raters. due to t~?e, corr,plex~ty of these re~~PSkorLs. ~,,~e recorr~mend ~~c<z `or<arard a
conceptual site plan to our office for review by one of our permitting specialist, <<vho can l;esi:
ad~~ise you of the sped: c permitting needs as you progress through tl-re planning process.
' Generally, wetland impact permits are issued on aper-project basis as determined by the
t;SAGE. The USAGE has detern~ined that impacts on parcels sub-divided from larger tracts are
soanetimes considered to be cumulative to existing impacts for the large tract. if this is the case,
then thresholds for notification may not apply to your project and impacts to streanls,'wetlands
' must be considered in light of existing permits.
CONCLUSION
The. wetland and stream delineation far the Egypt Property agpraximately (~-?40 acres) ~,-as
completed by S~,EC an July 2~. ~0~7. This site contains jurisdictional streams and wetland
i areas that that may require preconstruction authorization for impacts, depending on the size and
nature of the impact (i.e. road construction, lot fill, stonnwater pond construction, etc.. US.A.CE
and NC DWQ ~-erification of oLr site assessment is scheduled and you will be 7ctif ed upon its
compTetian.

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23Ci T,c:I'hilli~ Cnurr, Suite i' 7~I7-F, l.~~vncia(e 1]rive
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t ~~, ., ~, r t e 1 ~ .~
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-~:~ ~ of ;~ celand hyclro~c~~;. ~ ~ s s, ~• ~ b
':~a~,~.d ~vi.h seq~~n#iall~ nu.-l.l~~.ted ~.A..k SLBC lc~c~ fla~gi±~~ t ~?l.~r~,x.~,x~~lf~d :'n !.he rf,al~. ~r~~of
r ._ ,Ft, ~ t to ~ , ~ n,.
t~f~~'etland hvdrolo~_y ti~~{,lll;l be the e~.istence of 11~'c32`IC sL-~aas ~~xt,#a o~jai~eci rc~c~t ci ~al~rlels iI"I the
' ~r~per 12 ii,claes of t}.,E soil ~~rt~file, ~~rater tx~rnt; deposits, c117rt !roes, scour mar!~s; cil-aina~e
~~{ttCI`I1S, 2'i%~1i~1121 idlf3lGti't()1"S O~ SD11 S{1tUrtlf7C?fl, ~kC.~~l7TjttC(; Y~'i3tCi"5 St~C~I c S Shcterlild!i+ri."t~ <;i)Ct
pcrcd~nial strc~uu chanr~cls, ponds, and lAkes, which are also s~ll~cct to rcgul~tion h}J the ! JS
r~rrnly Corms ol'Entrinecrs (US~CI~j ~~ ~~°a:tel~ oftl~e tTS, ~vvre a1:;o 7clentificu. T!~cse surface
vt+ate;rs may also be reled•rc7J to as j~ar;sdictiQdlal ~ated•s to indicate #hat they arc v/il~in tt~e
jt~risdictic~zz of file L;SACE.. It is important to nc,te that. utetlantls are alscs classilied ifs t~~~aters clf
' the l)S and rey>.>Jatcd by the tJS~1Cl~ Lnder autltt~rity of tlrc Cleadi \~%ater ,hct (33 L.SC 1 ~?44-).
1 S~~EC's Ncusc stream buYi'er evaluation consisted alt' exaininin~ each ieatarc on t!~e site that is
sht~t~~n ot~ the 1»ast recc;nt v~crsion of the (JS (seulagical surveys ?.:S Minute Quadrarz~le tr
1~fRCS soil survey u:~in~; Nary-D ~'t'Q stream ev~Eluatiodl tccfulirztes.
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' 23ti Ls:~I'hillilj Ccrart, Scite C GrecnsLuro, iVC 27455
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~?]f11~J ~'t~tlot? .FOTCC 1V1c7117. eBS~:.IT7l:!1~; rl',~ ikl.~"T~7~;iL':lit~ ~C?'.%I:tiiC1T;S arL' ? { I?15.~;?..iGLl t?il tI' ~ citilC.~'tG'
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~ i'~Itar~*il~al t~v`ctl~ind fr:attEr: hetti,~ecn fla.~s ~+5r'~ end 65~.
~ ~tre~un. Fe.Iture ~~ cha>;~I;el Z.J~GS blueline 7.Inrlarned tribut~~ry to Lie..1~ C..Yrecr.
~tictland feature bettiveeE;~ flays X71 al~c1. ~~3 through 1 ~~OA ~3rld 10~B.
St:rearn Fealurc L~ Perennial c1~~Irv~e1.
~Vctlazui Featur~:be.tti~'eert i~Iags t-S.
' Surface ~~cratc~rs on this site i~3ot~r iP~to Lzck Creek i~l the Nel~se Ri~.'er Basin in Du,s'han~ Caunt~r,
:~Il~ich has Ix-~n classif c~d iit NC-D1t~'Q's "Classif cation and ~j:it~;T Quality StaEtrlarcis A1~pTicabic
tc? Sul.-iare ti~'atel-s and ~~~''etlands of North Carolina'' as WS-IV" N51~,'.

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Ephzn:eral '~'.;'.~
' t"A I7ieId Guide Tu ~tartll. Carolina ~tTetlands"; Dept: tTi1z'nL of Rnvironment, I Ieal;h a)td Nat~~rai.
Rt~ourc:c-~s,J~.nuary i9~JG.

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f:~1C 1_1~, l.J~:.~+i~~IC `L;[ ~.'~;•~ t,~.T~~~s,t, ..~U1'(dCC'~',rC9tC ., ~~;it flj)(?C~~f` ~'il i :. j T ,
-n ~.i i•,. ' T 1 C: t ~ ' t~ l ;'Z~t` 7~~T. .) `;~;?bv:~ ti~it ~.i7~:,; Fri
"s€ c3r1 ii Cs-Slt:, ~CtCI"_11tlli?f10;1 (.7°y .xl,~ , ~~, .'7V.S1 ,7l (,~ ~'£t~ti.,T ~t2f1.JCJ t ~,_~ _
it~tc :me (?;•th~ (i~ll(:rti~,:izig c~atcgol-ics:
1~} I;~itches arld rrzi~,rj~ladc cc„z•cyaklces r.~tl2~r thal~ ~r:~~rF!i (i:,~d ~natarai strcanls;
~) ~irznzl~ucie pond:; ~'fd Iaicr~s that arc 4c+~;at.eci outside i~atf~~.~1 clrai-la~>e ways; or
~} Ephemt,ral ~stc~rn~~>t~ater} st:carls.
It~'~~~r° ±'iv~~I.ly ?~`cr.~csrs.f?ulcs:
]rc~atures 1L, B, afld C; are m~:i1)peci as a perennial strcanis an file t:~SGS tut~o~;rap'1ic cjLtackangtr..
'Trt~use perersriial strcanls idccltified x:11 the tT~GS within a classzi~cr~ ~•; ater suppl}' ~~rattrshe:.d
' require. a 1(l~-foot htlffcr for nczv dcveli~prnent at•tivities u•`ith gcatcr tha1~ 24 rercerlC "built
upon" area Ci.e., percent covered by illrpcx~~iE~us ox i)~:rtialiy in`lperv7ov's c.ovcr} and. a ~t)-fcc~t
buffer tar activities z~-it11 i~5s t~fan 24 percent built upon area. hythe NC-D~~lQ. (.These t~uffers
' rfre il~ rtdditio~i to tine any other. streair- h+.zfCers. The stricter of the t~~,'a butters ~tpplic.s to ?:ilc;se
stro•~n cl~anYlcls.}
' ,~;~•©liat~c~` i3'etdar;tt Rrrles:
The isolated wetluld rules are adl-~irristercd by the i~tC'.-DVi1Q anti apply ol-~ly to features that do
not possess a ~urisdictio~lal conrlecticm, DTs cieterlrzi~lt:c~ by the US!~C";~• Tlie 1~rle:s state I.hat
discharges to is~,lated, mau-Made ~mlltis or isolated ditches except fur lase 'ti~retlal).tis cr ~~•aten

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1 is tc~ oht.ain a iieid survey of our.rlcliL~catiL~r} fcr f~L•n-asJ a~~x-~v<<1 by tl~e ~_S.~.CE. L?t?cn~}.
enm~letin~; tl~ae ~iLrvet~, tl?e5e tine c~?Ilsirau~ts illay t11C:11 >Je iL~tc~ri=rkLct i~}1o ;~la-~li.g i~~r l:rc~~?~;t.y
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