20100591 Ver 1_401 Application_20100710

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5410 Trinity Road
Palisades 11, Suite 320
Raleigh, NC 27607
Tel: [phone]
Fax: [phone]
July 21, 2010
2 0 1 C n:?9 1
IN NO P
JUL 2 3 20(0
DE:4R - WATER QUALITY
WETLA.WDS AND STORIWQWA'ER BRANCH
Mr. Ian McMillan
North Carolina Department of Environmental and Natural Resources
NC Division of Water (duality
401/Wetlands Unit $EAJP
2321 Crabtree Blvd, Suite 250
Raleigh, North Carolina 27604 136820/200
Subject: I Tarps Mill Road, I laymarket Lane, and Favorwood Court
Drainage System Improvements Project
Section 404/401 Nationwide 3 Pre-Construction Notification
Dear Mr. McMillan:
The City of Raleigh is proposing to replace portions of their stormwater conveyance
system along I larps Mill Road and I Iaymarket Lane in North Raleigh to prevent
ongoing severe flooding problems in the North Ridge Subdivision. Stormwater
conveyances and associated culverts/headwalls are required to be replaced at two
jurisdictional locations in order to prevent flooding. All other project activities occur in
uplands within existing utility easements; therefore, no additional impacts to WOUS or
Neuse River Buffer are anticipated. An overall layout of the project is depicted on
Figures 1 and 2.
A wetland walkover was conducted along existing and proposed utility corridors. NWI
and hydric soils maps (attached) were also reviewed to determine the likely presence of
wetlands and Waters of the U.S. (WOOS). One pond depicted on Figure 3 and an
unnamed tributary depicted on Figure 4 are located on the project site. Based on the
proposed activity, this project should qualify for a Nationwide 3 permit for maintenance
activities associated with "replacement of previously authorized, currently serviceable
fills." Based on the 2007 Nationwides summary table, a wetland delineation is not
required for the proposed activity.
As shown on Figure 3, an existing 60 inch stormwater drain/headwall is required to be
replaced with twin 5 x 10 box culverts. As a result, temporary impacts to 0.726 acres of
open water are required. Open water impacts are only required for temporary
dewatering during construction. Open water impacts will be returned to
preconstruction conditions upon project completion. In order to install twin 5 x 10 box
culverts, 734.11 square feet (40 linear feet) of temporary impacts to Zones 1 and 806.03
square feet (40 linear feet) of Zone 2 of the Neuse River Buffer are required. A
permanent maintenance corridor is not required as these areas will be restored as
maintained lawn. Fill and grading are required to obtain sufficient soil depth for
protection of an existing sanitary sewer line and the proposed box culverts. As a result,
temporary impacts are required to 1,325.21 square feet of Zone 1 and 1,559.38 square
feet of Zone 2 Neuse Buffer. Once the required grade is met, the area will be restored
to maintained lawn.
E n v i r o n m e n t a l E n g i n e e r s & C o n s u l t a n t s
Mr. Ian McMillan
July 21, 2010
Page 2
As shown on Figure 4, an existing headwall is proposed to be removed and replaced
' west of Haymarket Lane. As a result, permanent impacts to 13 linear feet (49.23 square
feet) of stream channel are required for grading activities. All grading activities will take
place within the stream; therefore, no impacts to Neuse Buffer are required for grading
activities. In order to replace the headwall, a temporary construction access corridor is
required. Construction access requires temporary impacts to 833.21 square feet (21
linear feet) of Zone 1 and 66.03 square feet (21 linear feet) of Zone 2 Neuse Buffer.
As such, the City of Raleigh respectfully requests your review and approval of the
attached Pre-Construction Notification for authorization of a U.S. Army Corps of
Engineers Nationwide 3 Permit, Division of Water Quality (DWQ) General Water
' Quality Certification #3687, and DWQ Buffer Authorization. The required fee of $240
is also attached.
' Feel free to contact me should you have any questions or require additional
information. Thank you for your time.
Very truly yours,
BROWN AND CAL,DWILL
' o
J. Shearin Dramby
Regulatory Specialist
JSD:at
' Enclosures
cc: Ms. Amy Chapman, DWQ 401 Unit
' Mr. Jamie Shern, USACE Raleigh Office
Mr. Scott Bryant, City of Raleigh
Attachments (4)
1. Application Fee
2. PCN Submittal Checklist
3. PCN
4. Figures 1 through 6

P:\RALEIGH\136820-North Ridge Harps Mill Road\Phase 200 - Permitting\Task 201 - 404-401 Permit\DWQ Cover Letter Aoc
401 Oversight/ Express Permitting PCN Submittal Checklist
Version 1.4
January 9, 2009
401 Oversight/Express Permitting PCN Submittal Checklist
® The application fee (Checks may be made out to "N.C. Division of Water Quality"
- $240.00 for 401 Water Quality Certification with minor impacts
- $570.00 for 401 Water Quality Certification with major impacts
- Express Review Fee (Amount requested on Acceptance Letter)
1 ® Five (5) complete and collated copies of the PCN Application and supporting
documentation (instead of providing 5 copies of the full size plans you may provide two
copies of full size plans along with three copies of 11 X 17 plans)
N/A Stormwater Management Plan (if applicable - see PCN Form Help File Section E)
1) Please provide three (3) copies of the stormwater management plans along with all
supporting information pertaining to this project including the following:
a. Entire site development/layout plans delineating all drainage areas;
b. Design calculation sheets for all proposed BMPs) sized for both on-site and
off-site drainage;
c. BMP supplements for each proposed BMP and Required Items Check List
(http://h2o.enr.state.nc.us/su/bmp_forms. ht m) along with all required
items;
d. A Notarized Operation & Maintenance Agreement for each stormwater
management facility;
e. Detailed construction drawing sheets shall include
(i) Erosion and sediment control plans;
(ii) Installation and planting schedules for the proposed BMPs;
(iii) Appropriately scaled plan views and cross sectional details of all
BMPs and associated components - inlet and outlet structures,
forebay, respective zones and pertinent elevations.
N/A If your project is located within a State implemented Riparian Buffer Rule Area, submit the
following along with site plans and PCN form:
1) Three (3) copies of the details for on-site diffuse flow provisions, (refer to
http://h2o.enr.state.nc.us/su/bmpiorms.htm).
N/A DWQ Stream Determination Forms for streams on property and DWQ determination
letter for wetlands or streams (if applicable).
The following is the most critical of all the information that you must provide. The quality and
L detail of the information will often determine the expeditiousness of the review. The following is
a checklist of the types of pertinent information required at a minimum:
Maps and Plans:
® The most recent version of the 1:24,000 USGS Topographic Map - Please cleanly draw or
delineate the site boundaries on the topographic map.
* The most recent version of the bound and published County NRCS Soil Survey Map -
I (required for projects within the Neuse River Basin, Tar-Pamlico River Basin, Randleman
Lake Watershed and the Catawba River Basin, also recommended for all projects) -
Please clearly delineate the site boundaries, etc. on the map. If the delineation obscures
Version 1.4
January 9, 2009
any of the features, it is recommended that a clean copy be provided. Copies of the
current soil survey and/or soil survey map sheets can be obtained from the local NRCS
County Office (http://www.nc.nres.usda.gov/). GIS soil layers are not acceptable.
* The NRCS web soil survey for the project area is attached. A copy of the bound and
published County NRCS Map will be forwarded to your attention upon receipt.
® Vicinity map - Please clearly mark the location and approximate boundaries of the property
and project on the map. Please indicate north arrow and scale. Please include applicable
road names or State Road numbers.
® The Site Plan - The most critical map to be provided is the site plan. You must provide full
sized plans. The following is the minimum list of plans that are typically needed.
® Pre-construction/Pre-existing conditions - This sheet (or sheets) must include:
• All jurisdictional and non-jurisdictional wetland, stream, water features, State regulated
buffers (delineated into Zones 1 and 2)
• Topographic contours with elevations
• Any existing structures and impervious areas
• Existing utility lines and easements
• Existing roads, culverts, and other pertinent features
• North arrow and the scale (1":50' scale is recommended).
® Proposed conditions - This sheet (or sheets) must include:
• All jurisdictional and non-jurisdictional wetland, stream, water features, State regulated
buffers (delineated into Zones 1 and 2)
• Lot layout (if a subdivision or commercial development is proposed) - lots must be
developable without further impacts to jurisdictional and non-jurisdictional wetlands,
streams, water features, and State regulated buffers. Building envelopes must be
provided when streams, wetlands, riparian buffers, or water features exist on a lot
• All built-out structures and impervious cover
• Final grading contours with elevations
• All utilities and easements (including septic fields on all lots within 100 feet of stream,
wetland, or water features - if applicable)
• Impacted areas - these should correspond with the Impact numbers listed on your PCN
form.
® Drainage Plans - Final drainage plans must include the following:
• Locations and pertinent elevations and sizes of the stormwater collection system and
drainage ways
• All inlets and outlets must also be shown with pertinent elevations (All outlets to
wetlands must be at a non-erosive velocity, generally less than 2 ft/sec during the peak
flow from the 10-yr storm)
• Scaled stormwater BMPs must also be indicated as required by DWQ rules and policies
• In certain cases (see Section E of PCN form), final stormwater management plans must
also be provided (see Stormwater Management Plan Checklist)
® Proposed Impacts - All impacts to jurisdictional and non-jurisdictional wetland, stream,
water features, and State regulated buffers must be shown and labeled on the site plans at
a scale no smaller than 1" = 50'. All excavation, fill, flooding, stabilization, and other impacts
Version 1.4
January 9, 2009
` that will be conducted in or near jurisdictional and non-jurisdictional wetland, stream, water
features, and State regulated buffers must be indicated. Please provide cross sectional
details showing the provisions for aquatic life passage (burial of culvert 20% for culverts <_ 48
inches, and 1-foot for culverts > 48 inches).
Wetland Impacts:
? Precise grading and final elevation contours must be provided. Existing
vegetation and any clearing must be specified.
? All subsurface utility lines must indicate the location of anti-seep collars.
Construction detail for anti-seep collars must be provided.
? Roadway or other crossings of riparian wetlands may require floodway culverts to
maintain existing hydrological conditions.
? Plans should show that the hydrology of remaining wetlands on the site will be
maintained.
Stream Impacts:
® Stream impacts must be clearly shown on the plans. The centerline as well as
the banks of the stream must be surveyed or located by GPS for the portion of
the stream to be impacted.
® The inlet and the outlet of all culverts should be aligned with the stream as
1 much as possible. Inlet and outlet elevations and streambed elevations should
be indicated. Any inlet or outlet protection must be shown and enumerated on
the impact map(s).
? For bottomless culverts or other spans, a vertical cross section should be
provided that shows the minimum distance from each span to each stream bank,
the stream cross section, the height of the span above the stream and the
minimum distance from the edge of each footer to each stream bank.
Additionally, please provide a signed and sealed geotechnical report of
subsurface soils at the proposed bottomless culvert location. The report must
comply with the Division of Highways - Guidelines for Drainage Studies and
Hydraulic Design, prepared by A.L. Hankins, Jr., State Hydraulics Engineer -
1999.
? Multiple culverts or sectioned box culverts typically require the use of sills, off-
setting or other means to match the cross section of the existing stream (in order
to maintain stream stability and provide aquatic life passage). A vertical cross
section of the culverts should be shown overlain with the up and downstream
stream cross section including the stream flood-prone area.
? Impacts associated with dam construction must indicate and enumerate all fill
associated with the dam footprint, spillway and any bank stream bank
stabilization. The length of stream impounded must also be indicated and
enumerated.

Pre-Construction Notification (PCN) Form
2 0 1 0 0 5 9 1
o? o?
i > y Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps:
®Section 404 Permit ? Section 10 Permit
1 b. Specify Nationwide Permit (NW P) number: 3 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps? ? Yes ® No
1 d. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit
? 401 Water Quality Certification - Express ® Riparian Buffer Authorization
1 e. Is this notification solely for the record
because written approval is not required? For the record only for DWQ 401
Certification:
? Yes ® No For the record only for Corps Permit:

? Yes ® No
1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program.
? Yes No
1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h
below. ? Yes ® No
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes ® No
2. Project Information
2a. Name of project: Harps Mill Road, Haymarket Lane, and Favorwood Court Stormwater Improvements
Project
2b. County: Wake
2c. Nearest municipality / town: Raleigh
2d. Subdivision name: North Ridge JUL
„ i
2e. NCDOT only, T.I.P. or state
project no: N/A
pf:.NtR-WATERQUAL17Y
kunlz AND STOft &%rERBRMW
3. Owner Information
3a. Name(s) on Recorded Deed: City of Raleigh (Easement) and North Ridge Country Club
3b. Deed Book and Page No. Please see attached Figures 3 and 4 for Deed Book and Page No. Information
3c. Responsible Party (for LLC if

applicable): City of Raleigh Stormwater Utility Department,
Attn: Scott Bryant, PE
3d. Street address: N/A See Attached Figures 1 and 2
3e. City, state, zip: Raleigh, NC
3f. Telephone no.: [phone]
3g. Fax no.: [phone]
3h. Email address: [e-mail]
Page I of 12
PCN Form - Version 1.3 December 10, 2008 Version
4. Applicant Information (if different from owner)
4a. Applicant is: ? Agent ? Other, specify:
4b. Name: N/A
4c. Business name
(if applicable): N/A
4d. Street address: N/A
4e. City, state, zip: N/A
4f. Telephog,_: N/A
4g. Fax no.: N/A
4h. Email address: N/A
5. Agent/Consultant Information (if applicable)
5a. Name: Brown and Caldwell Attn: J. Shearin Dramby
5b. Business name
(if applicable): Brown and Caldwell
5c. Street address: 5410 Trinity Road, Palisades II, Suite 320
5d. City, state, zip: Raleigh, NC 27607
5e. Telephone no.: [phone]
5f. Fax no.: [phone]
5g. Email address: [e-mail]
Page 2 of 12 1
PCN Form - Version 1.3 December 10, 2008 Version
I
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): Utility Easement no PIN; 171714-33-7989;171706-37-
9731; 1717 06-38-8420; 1717 06-38-9540
1 b. Site coordinates (in decimal degrees): Latitude: 35.88540 Longitude: - 78.61587
(DD.DDDDDD) (-DD.DDDDDD)
1 c. Property size: 4.82 acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to Unnamed tributary onsite; Tributary to Greshams Lake,
proposed project: which is greater than 1 mile from project site. The lake is
tributary to Perry Creek.
2b. Water Quality Classification of nearest receiving water: B;NSW
2c. River basin: Neuse River Basin
Page 3 of 12
PCN Form - Version 1.3 December 10, 2008 Version
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
The proposed project is located within existing and proposed utility easements throughout the North Ridge Subdivision.
3b. List the total estimated acreage of all existing wetlands on the property:
0 acres; A wetland walkover was conducted along existing and proposed utility corridors. NW I and hydric soils maps were
also reviewed to determine the likely presence of wetlands and Waters of the U.S. One unamed tribuatary depicted on
Figure 4 and a pond depicted on Figure 3 are located on the project site. Based on the proposed activity, this project
should qualify for a Nationwide 3 permit for maintanence activities associated with "replacement of previously authorized,
currently serviceable fills." Based on the 2007 Nationwides summary table, a wetland delineation is not required for the
proposed activity.
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
19 linear feet
3d. Explain the purpose of the proposed project:
The purpose of the project is to replace existing stormwater conveyances (i.e., pipes, culverts, and headwalls) that are
subject to severe flooding within the North Ridge subdivision. These improvements are required to prevent ongoing
damage to existing residential and recreational structures.
3e. Describe the overall project in detail, including the type of equipment to be used:
The City of Raleigh is proposing to replace portions of their stormwater conveyance system along Harps Mill Road and
Haymarket Lane in North Raleigh to prevent ongoing severe flooding problems in the North Ridge Subdivision.
Stormwater conveyances and associated culverts/headwalls are required to be replaced at two jurisdictional locations in
order to prevent flooding. All other project activities occur in uplands within existing utility easements; therefore, no
additional impacts to WOUS or Neuse River Buffer are anticipated. An overall layout of the project is depicted on Figures
1 and 2.
As shown on Figure 3, an existing 60 inch stormwater drain/headwall is required to be replaced with twin 5 x 10 box
culverts. As a result, temporary impacts to 0.726 acres of open water are required. Open water impacts are only required
for temporary dewatering during construction. Open water impacts will be returned to preconstruction conditions upon
project completion. In order to install twin 5 x10 box culverts, 734.11 square feet (40 linear feet) of temporary impacts to
Zones 1 and 806.03 square feet (40 linear feet) of Zone 2 of the Nuese River Buffer are required. A permanent
maintenance corridor is not required as these areas will be restored as maintained lawn. Fill and grading is required to
obtain sufficient soil depth for protection of an existing sanitary sewer line and the proposed box culverts. As a result,
itemporary impacts are required to 1,325.21 square feet of Zone 1 and 1,559.38 square feet of Zone 2 Neuse Buffer.
Once the required grade is met, the area will be restored to maintained lawn.
As shown on Figure 4, an existing headwall is proposed to be removed and replaced west of Haymarket Lane. As a
result, permanent impacts to 13 linear feet (49.23 square feet) of stream channel are required for grading activities. All
grading activities will take place within the stream and no impacts to Neuse Buffer are required for grading activities. In
order to replace the headwall, a temporary construction access corridor is required. Construction access requires
temporary impacts to 833.21 square feet (21 linear feet) of Zone 1 and 66.03 square feet (21 linear feet) of Zone 2 Neuse
Buffer.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property / ? Yes ® No ? Unknown
project (including all prior phases) in the past?
Comments:
4b. If the Corps made the jurisdictional determination, what type
? Preliminary ? Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company:
Name (if known): Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
Page 4 of 12
PCN Form - Version 1.3 December 10, 2008 Version
5. Project History
5a. Have permits or certifications been requested or obtained for ? Yes ? No ® Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
6. Future Project Plans
6a. Is this a phased project? ® Yes ? No
6b. If yes, explain.
The proposed project will be constructed in phases: Harps Mills Road Phase 1 (Figure 3), Haymarket Lane Phase 2
(Figure 4), and Favorwood Court Phase 3 (No Figure. Construction at Favorwood Court will take place within existing
easements in uplands).
Page 5 of 12
PCN Form - Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
1a. Which sections were completed below for your project (check all that apply):
? Wetlands ® Streams - tributaries ® Buffers
® Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Wetland impact Type of jurisdiction
number -. Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ - non-404, other) (acres)
Temporary T
W1 ? P ? T ? Yes ? Corps
? No ? DWQ
W2 ? P ? T ? Yes ? Corps
? No ? DWQ
W3 ? P ? T ? Yes ? Corps
? No ? DWQ
W4 ? P ? T ? Yes ? Corps
? No ? DWQ
W5 ? PC] T ? Yes ? Corps
? No ? DWQ
W6 ? P ? T ? Yes ? Corps
? No ? DWQ
2g. Total wetland impacts
2h. Comments:
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a. 3b. 3c. 3d. 3e. 3f. 3g.
Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact
number PER or
(Corps - 404, 10
stream
length
Permanent (P) or intermittent DWQ -non-404, width
Temporary (T)
(INT)?
other)
(feet) feet)
f)
S1 ® P ? T Grading UT ? PER
® INT ® Corps
® DWQ 12.5 13
S2 ? P ? T ? PER ? Corps
? INT ? DWQ
S3 ? P ? T ? PER ? Corps
? INT ? DWQ
S4 ? P ? T ? PER ? Corps
? INT ? DWQ
S5 ? P ? T ? PER ? Corps
? INT ? DWQ
S6 ? P ? T ? PER ? Corps
? INT ? DWQ
3h. Total stream and tributary impacts 13
3i. Comments:
Page 6of12 1
PCN Form - Version 1.3 December 10, 2008 Version
1
1
1
1
1
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbody
impact number (if applicable) Type of impact Waterbody type Area of impact (acres)
- Permanent
(P) or
Temporary T
01 ? P ®T N/A Cofferdam Golf Course Pond 0.034
02 ? P ®T N/A Dewatered Area Golf Course Pond 0.692
03 ?P?T
04 ?P?T
4f. Total open water impacts 0.726
4g. Comments: Open water impacts are only required for temporary dewatering during construction. As shown on Figure 3,
the area will be restored to preconstruction conditions upon completion.
5. Pond or Lake Construction
If and or lake construction proposed, then com lete the chart below.
5a. 5b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or purpose of (acres)
number pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments:
5h. Is a dam high hazard permit required?
? Yes ? No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
Page 7 of 12
PCN Form - Version 1.3 December 10, 2008 Version
6. Buffer Impacts (for DWO)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
® Neuse ?Tar-Pamlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number - Reason for Buffer Zone 1 impact Zone 2 impact
Permanent (P) impact Stream name mitigation (square feet) (square feet)
or Temporary required?
T
131 ? P ®T Construction
Access UT (Figure 4) ? Yes
® No 833.21 66.03
B2 ? P ®T Utility Line Open Water (Figure 3) a Nos 734.11 806.03
B3 ? P ®T Grading/Fill Open Water (Figure 3) ?? Nos 1325.21 1559.38
6h. Total buffer impacts 2892.53 2431.44
6i. Comments: According to the Neuse Buffer Rules, "A use shall be considered existing if it was present within the riparian
buffer as of July 22, 1997. Existing uses shall include, but not be limited to, agriculture, buildings, industrial facilities,
commercial areas, transportation facilities, maintained lawns, utility lines and on-site sanitary sewage systems. Only the
portion of the riparian buffer that contains the footprint of the existing use is exempt from this Rule."
Proposed buffer impact areas will include areas within existing utility easements and maintained residential lawns. All buffer
impact areas will be restored to pre-existing conditions upon completion of construction activities. All buffer areas shown on
Figure 3 will be returned to lawn and maintained as lawn upon project completion. Buffer impacts are required for placement
of twin 5 x 10 box culverts. Additionally, grading and fill activities are required to protect an existing 30-foot sanitary sewer
easement and the proposed box culverts. Once the required grade is met and construction is completed, the area will be
restored to existing maintained lawn and golf course cart path as shown on Figure 3.
Buffer impacts for Haymarket Lane are required for construction acess and will be restored after construction (Figure 4).

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
The project was designed to avoid permanent impacts to jurisdictional resources to the maximum extent practicable. An
existing headwall is required to be replaced due to structural integrity. In order to avoid impacts to WOUS, the applicant
designed the replacement headwall within the existing footprint. The majority of project impacts are temporary and will be
restored upon completion of construction. Permament impacts from grading and fill activities are required to protect existing
sanitary sewer utlities and proposed stormwater conveyance structures.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Appropriate best management practices and erosion and sediment controls will be used during construction to prevent indirect
impacts to jurisdictional resources.

2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for ? Yes ® No
impacts to Waters of the U.S. or Waters of the State?
2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps
? Mitigation bank
2c. If yes, which mitigation option will be used for this project? ? Payment to in-lieu fee program
? Permittee Responsible Mitigation
Page 8 of 12
PCN Form - Version 1.3 December 10, 2008 Version
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter) Type Quantity
3c. Comments:
4. Complete if Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ? Yes
4b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold
4d. Buffer mitigation requested (DWQ only): square feet
4e. Riparian wetland mitigation requested: acres
4f. Non-riparian wetland mitigation requested: acres
4g. Coastal (tidal) wetland mitigation requested: acres
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation? ? Yes ® No
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.

Zone 6c.
Reason for impact 6d.
Total impact
(square feet)
Multiplier 6e.
Required mitigation
(square feet)
Zone 1 3 (2 for Catawba)
Zone 2
1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
6h. Comments:
Page 9 of 12
PCN Form - Version 1.3 December 10, 2008 Version
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
la. Does the project include or is it adjacent to protected riparian buffers identified
within one of the NC Riparian Buffer Protection Rules? ED Yes ? No
1b. If yes, then is a diffuse flow plan included? If no, explain why.
Comments: One existing stormwater ouff all will be impacted. This outfall currently
discharges directly into the North Ridge Country Club Lake and as such, no
stormwater is conveyed through the riparian buffer surrounding the lake. This ? Yes ® No
condition will not change when a larger outfall is installed and the existing outfall is
removed. Because no stormwater is conveyed to or across a riparian buffer as part
of this project, a diff use flow plan is not applicable and therefore not required.
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project? 0%
2b. Does this project require a Stormwater Management Plan? ? Yes ® No
2c. If this project DOES NOT require a Stormwater Management Plan
explain why: This is a stormwater conve
ance
,
y
replacement project. New impervious area is not proposed. Therefore, a stormwater management plan is not required.
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
? Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? ? DWQ Stormwater Program
? DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project? Raleigh
? Phase II
3b. Which of the following locally-implemented stormwater management programs ? NSW
? USMP
apply (check all that apply): ? Water Supply Watershed
? Other:
3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No
attached?
4. DWQ Stormwater Program Review
? Coastal counties

4a. Which of the following state-implemented stormwater management programs apply ? HQW
? ORW
(check all that apply): ? Session Law 2006-246
? Other:
4b. Has the approved Stormwater Management Plan with proof of approval been

attached?
Yes El No
?
5. DWO 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No
Page 10 of 12
PCN Form - Version 1.3 December 10, 2008 Version
5b. Have all of the 401 Unit submittal requirements been met?
® Yes ? No
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1 a. Does the project involve an expenditure of public (federal/state/local) funds or the
use of public (federal/state) land? ®Yes ? No
1 b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ? Yes ® No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c. If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
letter.) ? Yes ? No
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ? Yes ® No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after-the-fact permit application? ? Yes ® No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in
additional development, which could impact nearby downstream water quality? ? Yes ® No
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from
L the proposed project, or available capacity of the subject facility.
N/A
Page 11 of 12
PCN Form - Version 1.3 December 10, 2008 Version
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
habitat? ? Yes ®No
5b. Have you checked with the USFWS concerning Endangered Species Act
impacts? ? Yes No
5c. If yes, indicate the USFWS Field Office you have contacted. ? Raleigh
? Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
hftp://www.fws.gov/raleigh/es-tes.html
16. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
hftp://ocean.floridamarine.org/efh-coral/ims/Viewer.htm
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation
status (e.g., National Historic Trust designation or properties significant in El Yes No
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
http://www.hpo.ncdcr.gov/
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain? ® Yes ? No
8b. If yes, explain how project meets FEMA requirements: The 100-year floodplain begins at the Country Club pond. The
replacement of the existing headwall is "in-kind" therefore no impacts to the FEMA floodplain are proposed as a result of
this project. Pond storage will not be effected by the project.
8c. What source(s) did you use to make the floodplain determination? http://gist.msc.fema.gov/Website/newstoreNiewer.htm
e'a
Applicant/Agent's Printed Name Applic A ent's Signatu dd Date
(Agent's signature is valid only if an authorization l ter from the applicant
Page 12 of 12
PCN Form - Version 1.3 December 10, 2008 Version
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Soil Map-Wake County, North Carolina
Drainage System Improvements
Map Unit Legend
Wake County, North Carolina (NC183)
Map Unit Symbol Map Unit Name Acres in A OI Percent of AOI
ApC Appling sandy loam, 6 to 10 percent slopes 0.1 0.1%
ApC2 Appling sandy loam, 6 to 10 percent slopes,
moderately eroded 0.0 , 0.0%
AsB2 Appling fine sandy loam, 2 to 6 percent slopes,
moderately eroded 12.1 13.1%
CeB2 Cecil sandy loam, 2 to 6 percent slopes,
moderately eroded 7.1 7.7%
CeC Cecil sandy loam, 6 to 10 percent slopes 0.6 0.7%
CeC2 Cecil sandy loam, 6 to 10 percent slopes,
moderately eroded 3.7 4.0%
CeD j Cecil sandy loam, 10 to 15 percent slopes 49.5 53.7%
CmA Chewacla sandy loam, 0 to 2 percent slopes, !
frequently flooded 7.1 7.7%1

I
PaF Pacolet sandy loam, 15 to 45 percent slopes 2.0 -
2.2%
A
WY Worsham sandy loam, 0 to 3 slo es
- y - - percent slopes 10.0 10.8%
Totals for Area of Interest
92.2
100.0%
USDA Natural Resources Web Soil Survey 7/1/2010
? Conservation Service National Cooperative Soil Survey Page 3 of 3
A B C D E F G H I J E' I K I L I ~ I ~ I ® ~ P
~ i ; ~ ~
_ iti _t
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- ~ . ~ ~ BUFFER ZONE 2 20' _ - ~r { ) ~
r F J TEMPORARY SUFFER IMPACT
w 1 ~a ~ ~ - i
- , _ ~ ~ ~ QZC~E 1 UTI~LIT~ES 40 Ir~F X73411 SF)
_ _ ~ . ~ c;~ , v _ . ti
~ , (~~~NE 2 UTIC~ITIES 40 I'~~F (306.03 SF)
- _ , _ _ _ ~ ~ ~ u , ~ , -
~ _ , _ ~ r ~ . , ' ~ ' _
r o REMOVE AND REPLACE ~ - o
e RETAlN1NG WALL REMOVE 60" _ EXi„TING , ~ ~ DI7 3 1 A LNG 1,325.21 F . _ 4 Z E 2 CA 11,559.36
STORMWATER DRAIN ~ ~
~ :AND HEADWALL , i _ _ 2 ~ 1 _ , ~ 0
, ~ ~ r ~ ~ ~ ° . - 0 ~o W }
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d . , 1 - ~ ~ I , TOTAL: 4,424.73
~ s 1~ BUFFER ZONE 1 {30) ~ WJ ~ ~ --cur .
i _ -...r„'--~-
~ ~ _ _ ~ p ~ ` pUE
. ~ l~ ~
-Q_ 4 !o~ ~ _ ~ - Z~ ~ ~ ,N ~ ~ - , ~ ~ m," ' ATE F THE. U.. I PACT~~
TEMPORARY COFFERDAM 6 _ . - ~ J'r
~ ~ 2
_ ~ a ~ - . n 3 w ' v _ ~ GP vTE 0.692 AC 4
o
. s ~r ~ a TIC ARC CEDA 0.034 AC
5 RETURN DfSTURBtD LAKE ~v~~y\ _ . / ~ _ _ _ ~ ~ ~ _ .f. ~ ~T - - ~ AREA TO EXISTING GRADE \v`\\\~\ ~ ~ '
m ` ~ /~C E - _ PRIOR TO REMOVAL OF \ o f TOTAL: 0.726 AC
r ~ i o o ~
n ~ COFFERDAM 3 a ~ t ~,X J~
LAT:35 53 07,45 ~ - ~ ~ ~ ~ ,r ~
LON:78 36 57.14 ~ o I ` ',~i ~ ~
- ~ ~ ~ ~ ~ ( _ _ WER.. ~ t~RRY SE R ~R~~E~IE~
r ~ 1 ~ - ~ _ SAS G 107 dltA, x,107 ~ IpL P
* ~ ~ ~ ! ~ LE10~ VOL1~~ ~ I - - iTY OF ~ 1972, r--'''/ ~ i~ ~ i 2p C 6M
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zs ~ AT FULL SIZE ZONE REV. DESCRIPTION BY DATE APP. ~ - ~ R,z~$`; PUBLIC WORKS DEPARTMENT ' CONSTRUCTION PLANS OF PROPOSED HARPS MILL ROAD, FIGURE 3.dw
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