20121052 Ver 1_401 Application_20121113

North Carolina
November 8, 2012
Ms. Laurie Dennison
North Carolina Department of Environment
and Natural Resources (NC -DWQ)
Division of Water Quality
401 /Wetland Unit
1650 Mail Service Center
Raleigh, NC 27699 -1650
Re: Preconstruction Notification Application Form for
Streambank Stabilization at:
520/524 Lakestone Drive., Raleigh, NC 27609
Dear Ms. Dennison:
www.raleighnc.gov
20121052
Please find enclosed five copies of a completed " Preconstruction Notification Application Form" for the
referenced project. I am submitting one copy of this application concurrently to Mr. Monte Mathews with
the United States Army Corps of Engineers.
This stream stabilization project impacts less than 150 linear feet and meets the criteria established under
the US Army Corps Nation wide (NWP 13) Permit. This stream is subject to the Neuse River Riparian
Area Protection Rules and the proposed stabilization activities are not exempt under Neuse Riparian Buffer
Protection Rules - Rule .0233 (15A NCAC 2B.0233). Therefore written concurrence from NC -DWQ is
sought per conditions established in Condition 6 under NC -DWQ's General Permit - GC3495.
We are also attaching a check for $240.00 (stream impact greater than 150 ft).
Thank you for your assistance in processing this application. If I may answer any questions concerning the
application, please contact me at (919) 996 -3940.
Sincerely, L Sheila omas -Arn at
Stormwater Project Engineer
STA/
Enclosures
cc: Mr. Monte K. Matthews
ONE EXCHANGE PLAZA
1 EXCHANGE PLAZA
RALEIGH. NC 27601
CITY OF RALEIGH
POST OFFICE BOX 590
,RALEIGH, NC 27602 -0590
(MAILING ADDRESS)
Printed an Rec it ted Paper
C; 4� r„I�'
NOV 1 2012
WDE-NR - WATER QUALITY
MUNICIPAL BUILDING
222 WEST HARGETT STREET
RALEIGH, NC 27601

North Carolina
November 8, 2012
Mr. Monte K. Matthews
Raleigh Regulatory Field Office
U. S. Army Corps of Engineers
3331 Heritage Trade Drive
Suite 105
Wake Forest, NC 27587
Re: Preconstruction Notification Application Form for
Streambank Stabilization at:
520/524 Lakestone Drive., Raleigh, NC 27609
Dear Mr. Matthews:
wwwaraleighnc.gov
Please find enclosed one copy of a completed " Preconstruction Notification Application Form"
for the referenced project. This stream stabilization project impacts less than 150 linear feet and
meets the criteria established under the US Army Corps Nation Wide (NWT 13) Permit.
I am submitting five copies of this application concurrently to Ms. Laurie Dennison with the
North Carolina Department of Environment and Natural Resources, Division of Water Quality,
401 Wetlands Unit.
Thank you for your assistance in processing this application. If I may answer any questions
concerning the application, please contact me at (919) 996 -3940.
Sincerel ,
Sheila Thomas -Ambat
Stormwater Project Engineer
STA/
Enclosures
cc: Ms. Laurie Dennison
ONE EXCHANGE PLAZA CITY OF RALEIGH MUNICIPAL BUILDING
1 EXCHANGE PLAZA POST OFFICE BOX 590 222 WEST HARGETT STREET
RALEIGH, NC 27601 RALEIGH, NC 27602 -0590 RALEIGH, NC 27601
(MAILING ADDRESS)
Printed on Recyt led Paper

20 12 1052
OF W A TF9
Office Use Only:
oCorps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre - Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1a. Type(s) of approval sought from the
Corps: ®Section 404 Permit ❑ Section 10 Permit
1 b. Specify Nationwide Permit (NWP) number: NW 13 or General Permit (GP) number:
1 c. Has the NWP or GP number been verified by the Corps? :::[l Yes
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
le. Is this notification solely for the record For the record only for DWQ 401
because written approval is not required? Certification:
❑ 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.
►R
For the record only for Corps Permit:
❑ Yes ® No
❑ Yes ® No
1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h ❑Yes
below.
1 h
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
2.
Project Information
2a.
Name of project:
520 & 524 Lakestone Drive
2b. County:
Wake
2c.
Nearest municipality / town:
Raleigh
2d. Subdivision name.
n/a
2e.
NCDOT only, T.I.P. or state
project no:
n/a
3.
Owner Infonnation
3a.
Name(s) on Recorded Deed:
William C and Melanie H Rankin
3b.
Deed Book and Page No.
DB 08279, PG 1121
3c.
Responsible Party (for LLC if
3d. Street address: 524 Lakestone Drive
3e. City, state, zip: Raleigh, NC 27609
3f. Telephone no.:
3g. Fax no.:
3h. Email address:
❑ Yes
/.1 •
//
William F. Jr. & Christine H. Hamlin
DB 08073, PG 1273
520 Lakestone Drive
Raleigh, NC 27609
0'✓ X 211 2 n i 2
1n ovi n' �,.:. .
Page 1 of 12
PCN Form — Version 1.3 December 10, 2008 Version

A
`
4. Applicant Information (if different from owner)
4a. Applicant is:
❑ Agent ® Other, specify: City of Raleigh
4b. Name:
Carl R. Dawson
4c. Business name
(if applicable):
City of Raleigh Public Works Department
4d. Street address:
222 West Hargett Street, PO Box 590
4e. City, state, zip:
Raleigh, NC 27602
4f. Telephone no.:
919 - 966 -3030
4g. Fax no.:
919 - 966 -7638
4h. Email address:
I carl.dawson @raleighnc.gov
5. Agent/Consultant Information (if applicable)
5a. Name:
Becky L. Ward, PE
5b. Business name
(if aaDlicable):
Ward Consulting Engineers, eers, PC
5c. Street address: 8368 Six Forks Road, Suite 104
5d. City, state, zip: Raleigh, NC 27615
5e. Telephone no.: 919 - 870 -0526
5f. Fax no.: 919 -870 -5359
5g. Email address: bward @wce- corp.com
Page 2 of 12
PCN Form — Version 1.3 December 10, 2008 Version

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 project is located in a well - established residential area of Raleigh, NC and consists of two properties 524 Lakestone
a 0.64 acre parcel and 520 Lakestone a 2.875 acre parcel. The watershed for this project is fully developed with single
family residences. The size and age of the house on this lot is typical of the majority of the residential development in this
area which was built in the late 1970's. Five lots were subdivided around 2005 in which single family residences were
built on three of the five 1/3 acre lots which has increased the stormwater runoff directly uphill from the residence at 524
Lakestone Drive. The increased impervous area and lack of sufficent storm drainage inlets within the right of way has
caused stormwater to enter the combined driveway for 520 and 524 Lakestorne Drive with a greater frequency. The only
curb inlet is located at the lower end of the driveway at the street and therefore water for a majority of storm events does
not enter the storm system. The stormwater overtops the combined driveway for 520 and 524 Lakestone Drive and flows
down the driveway and towards the back of the house structure located at 524. An existing 18 inch RCP pipe currently
collects and conveys the stormwater collected in the street to a stream located in the rear yard of the property. The pipe
discharges into a small ditch that connects to the stream. An existing 15 inch RCP pipe is located under the existing
driveway for 520 Lakestone. The outlet from the pipe to the stream is severely eroded. Additionally the stream right bank
as viewed looking downstream is also experiencing severe erosion and has a lack of vegetation. Storm water from the
piped system is currently entering the stream at a 90 degree angle to flow. This direction of discharge is contributing to
the right bank erosion.
3b. List the total estimated acreage of all existing wetlands on the property:
none
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
90
3d. Explain the purpose of the proposed project:
The purpose of the project is to minimize the stormwater flooding at the property located at 524 Lakestone Drive, realign
and stabilize the pipe system outlet, increase pipe capacity and provide additional stormwater access to the system with
the installation of an additional inlet, and the reshaping, matting, and vegetative stabilization of the stream banks. The
improved system will provide for better pipe capacity and stormwater collection, reduce flooding issues, stabilize stream
bank erosion, and -re- introduce woody vegetation into the stream bank and buffer through herbaceous and woody
plantings.
3e. Describe the overall project in detail, including the type of equipment to be used:
The project will consist of the addition of storm drainage infrastructure in the street right of way, an existing storm drainage
pipe replacement with a larger pipe, drainage outlet channel improvements and stream bank stabilization. To provide
better collection of stormwater at the street a new inlet has been designed on the uphill side of the driveway to collect
stormwater before it crosses the driveway. The driveway will also be regraded to direct water to the natural area and
away from the structure. The existing 18 inch pipe is currently under sized to handle the design storm capacity. The
existing 18 inch pipe will be replaced with a 24 inch pipe and angled to discharge into the existing stream at a better
angle with in the existing storm drainage easement ending at the approximate distance away from the stream as the
original pipe. The existing pipe will be removed except for two locations in which the existing pipe is too close to an
existing structure for removal or is underneath the existing asphalt driveway. The storm drainage ditch from the pipe
outlet to the channel will be graded and protected with riprap to prevent erosion. The existing stream banks will be graded
back to a 2HAV slope and stabilized with herbaceous and woody vegetation. Rock toe protection is planned around the
pipe outlets and where turbulent flow is expected that may cause bank de- stabilization. The rock toe stabilization will be
placed only at the toe of the stream and will extend up the bank to a distance no higher than two feet. The stream bank
will be seeded with a herbaceous mix of native grasses and matted with a biodegradable matting. Woody vegetation in
the form of rooted plant plugs will be installed for long term stabilization on the stream banks and will be added to the
graded areas in the buffer as shown on the planting plan.
The equipment to be used in this project is earth moving equipment and various other support apparatus. Heavy
equipment may include hydraulic excavator, compactors, bulldozers, skidsteer loaders, and material hauling apparatus
such as a dump truck. This type of equipment will be used for excavation and placement of materials for the project. The
construction equipment will enter off Lakestone Drive at the project property. The construction equipment will not enter or
cross the stream and will perform all construction activities from the top of the existing stream bank.
Page 4 of 12
PCN Form — Version 1.3 December 10, 2008 Version

S. Future Project Plans
6a. Is this a phased project?
6b. If yes, explain.
❑ Yes ® No
Page 5 of 12
PCN Form — Version 1.3 December 10, 2008 Version
4.
Jurisdictlonal Determinations
4a.
Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past?
❑ Yes ® No ❑ Unknown
Comments:
4b.
If the Corps made the jurisdictional determination, what type
of determination was made?
❑ Preliminary ❑ Final
4c.
If yes, who delineated the jurisdictional areas?
Agency /Consultant Company:
Name (if known):
Other:
4yes,
list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
roject His
5a.
Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
❑ Yes ® No ❑ Unknown
5b.
If yes, explain in detail according to "help file" instructions.
S. Future Project Plans
6a. Is this a phased project?
6b. If yes, explain.
❑ Yes ® No
Page 5 of 12
PCN Form — Version 1.3 December 10, 2008 Version

C. Proposed Impacts Inventory
1. Impacts Summary
1 a. 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.
Wetland impact 2f.
number — Type of impact Type of wetland Forested (Corps 1U404,c10n Area of impact
Permanent (P) or (if known) DWQ — non -404, other) (acres)
Temporary (T) )
W1 ❑ P ❑ T
( )
❑ PER
® INT
❑ Yes
❑ No
❑ Corps
❑ DWQ
W2 ❑ P ❑ T
S2 ❑ P ❑ T
❑ Yes
❑ No
❑ Corps
❑ DWQ
W3 ❑ P ❑ T
S3 ❑ P ❑ T
❑ Yes
❑ No
❑ Corps
❑ DWQ
W4 ❑ P ❑ T
S4 ❑ P ❑ T
❑ Yes
❑ No
❑ Corps
❑ DWQ
W5 ❑ P ❑ T
S5 ❑ P ❑ T
❑ Yes
❑ No
❑ Corps
❑ DWQ
W6 ❑ P ❑ T
S6 ❑ P FIT
3h. Total stream and tributary impacts
❑ Yes
❑ No
❑ Corps
❑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 ( p g
Temporary (T) INT DWQ —non -404, width (linear
S1 ®P ❑ T Stream bank
stabilization
( )
❑ PER
® INT
other) (feet)
® Corps
®DWQ 13
feet)
50
S2 ❑ P ❑ T
❑ PER
❑ INT
❑ Corps
❑ DWQ
S3 ❑ P ❑ T
❑ PER
❑ INT
❑ Corps
p DWQ
S4 ❑ P ❑ T
❑ PER
❑ INT
❑ Corps
❑ DWQ
it
S5 ❑ P ❑ T
❑ PER
❑ INT
❑ Corps
❑ DWQ
S6 ❑ P FIT
3h. Total stream and tributary impacts
❑ PER
❑ INT
❑ Corps
❑ DWQ
3i. Comments: The stream impacts will involve sloping the stream banks back to a 2H:1 V slope and stabilization with
and vegetation. A rock toe will be placed below bankfull to aid in the resistance of erosion adjacent to the pipe outlets.
will be extended from the pipe outlet to the toe of the stream to prevent erosion.
matting
Riprap
Page 6 of 12
PCN Form — Version 1.3 December 10, 2008 Version

1
. F pen Water Impacts
e are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
S. then individually list all open water impacts below
4b. 4c. 4d.
n water Name of waterbody 4e.
t number (if applicable) Type of impact Waterbod
rmanent y type Area of impact (acres)
P) or
Temporary T
01 ❑PEl T
02 ❑POT
03 ❑PEI T
04 ❑POT
4f. Total open water impacts
4g. Comments:
S. Pond or Lake Construction
If pond or lake construction ro osed, then com lete the chart below.
5a. 5b. 5c. 5d.
5e.
Pond ID Proposed use or purpose of Wetland Impacts (acres) Stream Impacts (feet) Upland
number pond (acres)
P1
P2
5E Total
5g. Comments:
5h. Is a dam high hazard permit required?
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
Flooded Filled I Excavated Flooded Filled I Excavated Flooded
❑ Yes ❑ No If yes, permit ID no:
Page 7 of 12
PCN Form — Version 1.3 December 10, 2008 Version

6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If any impacts re uire mitigation, then you MUST fill out Section D of this form.
6a.
Project is in which protected basin?
6b. 6c. 6(
Buffer impact
number —
Permanent (P)
or Temporary
B1 ❑P ®T
B2 ®P ❑T
B3 ❑P FIT
Reason for
impact
Construction
access
Channel
grading and
pipe
installation
® Neuse ❑ Tar - Pamlico ❑ Other:
❑ Catawba ❑ Randleman
6e.
Buffer
Stream name mitigation
required?
UT to Crabtree Creek ❑ Yes
® No
UT to Crabtree Creek I El Yes
® No
❑ Yes
❑ No
6f. 6g.
Zone 1 impact
(square feet)
2150
1975
Zone 2 impact
(square feet)
Me]
75
6h. Total buffer impacts I 4125 875
6i Comments The buffer impacts categorized as 131 will consist of temporary impacts to access the area for installation of the
storm drainage pipe and improvements to the drainage channel. Areas disturbed during construction will be restored to match
the existing vegetative cover and new woody vegetation will be introduced. The buffer impacts categorized as B2 are impacts
that will be for the pipe and stream stabilization. The improved drainage channel and stream bank will be seeded to establish
a stable, non - erosive channel for stormwater conveyance and enhanced with woody vegetation.
D. Impact Justification and Mitigation
1. Avoidance and Minimization
la. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
This project is necessary to aleviate flooding issues from an existing public storm drainage system that is under capacity. The
project has minimized the impacts with the realignment of the existing pipe system and drainage outlet channel to provide a
better flow into the channel that will reduce erosion. The proposed pipe has been designed to discharge at the same distance
from the stream as the existing pipe. The proposed design will include bank stabilization and revegetation of the stream banks
and buffers.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
The proposed construction will minimize potential impacts by performing the construction from the top of the channel within a
limited area on either side of the proposed storm drainage pipe and drainage channel. No equipment will be permitted to cross
the stream. Native vegetation will be utilized for the herbaceous seed mix and rooted plant plugs that will be installed to
stabilize the stream and enhance the buffers.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
12a. Does the project require Compensatory Mitigation for I El 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

13. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter) I Type I Quantity
3c. Comments:
14. Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached. ❑ Yes
4b. Stream mitigati linear feet
4c. If using stream am 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
16. 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 I El Yes El No
buffer mitigation?
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.
6e.
Required mitigation
(square feet)
og. it nutter 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
6d.
ct
Total impact
Multiplier
(square feet)
gzt
3 (2 for Catawba)
1.5
6f. Total buffer mitigatio n required:
6e.
Required mitigation
(square feet)
og. it nutter 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
1 a. Does the project include or is it adjacent to protected riparian buffers identified
within one of the NC Riparian Buffer Protection Rules?
®Yes El
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
Comments: The project involves storm drainage system repair and stream repairs.
❑ Yes ® No
There is no significant impervious area being added as a result of these
improvements.
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: There are no building improvements or
additional significant impervious areas associated with this project. The project only involves storm drainage
improvements.
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
2e. Who will be responsible for the review of the Stormwater Management Plan? ❑ Certified Local Government
9 Certified
Stormwater Program
❑ DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
City of Raleigh
® Phase II
3b. Which of the following locally- implemented stormwater management programs
❑ NSW
apply (check all that apply):
❑ USMP
❑ Water Supply Watershed
❑ Other.
❑ Yes ❑ No
3c. Has the approved Stormwater Management Plan with proof of approval been
attached?
4. DWQ Stormwater Program Review
❑ Coastal counties
4a. Which of the following state - implemented stormwater management programs apply El El ❑ ORW
(check all that apply):
❑ Session Law 2006 -246
❑ Other:
4b. Has the approved Stormwater Management Plan with proof of approval been
attached? ❑ Yes ❑ No
5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements? ❑ Yes ❑ No
5b. Have all of the 401 Unit submittal requirements been met?
❑ Yes ❑ No
Page 10 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
❑ Yes ® No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
❑ Yes ® No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
E:1 Raleigh
❑ Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
No endangered species of designated critical habitat have been found within the project area.
6. 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?
The project is located in an urban stream.
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
❑ Yes ❑ No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
The NC Historic Preservation Office website (www.hpo.dcr.state.nc.us) was searched and no sites were listed for this
property. In addition, no architectural structures or archaeological artifacts were noted during preliminary surveys at the
site.
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:
8c. What source(s) did you use to make the floodplain determination? NC Floodmaps site (www ncfloodmaps.com) was
searched for FEMA floodplain limits.
Carl R. Dawson, Jr. PE
111g11 Z
Applicant/Agent's Printed Name
te
Applicant/Agent's Signat
Zr
(Agent's signature is valid only if an authorization tte from a ap icant
is provided.)
Page 12 of 12
PCN Form — Version 1.3 December 10, 2008 Version

Locations, Soils, and Watershed Maps

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520 AND 524 LAKESTONE DRIVE
WATERSHED MAP
CITY OF RALEIGH,NORTH CAROLINA
:DATE: JUNE 24,2011
...........
� I I

Project Photographs

Photo Log
520 & 524 Lakestone Drive
The curb inlet in the lower left corner of the
picture is located at 524 Lakestone Drive. The
street stormwater is currently running down the
street and overtopping the driveway shown to
the right.
Existing 18 inch RCP pipe outlet.
Existing Stream channel right bank
as viewed looking downstream. The
bank is eroded and lacks vegetation.
Eroded channel at the existing 15 inch RCP
driveway culvert.

I
Proposed Plan, Profile & Details

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POSED v R °wti�. -<4a W
LASS II RIPRAP -
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REMOVE AND REPLACE Q U ILL
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— um—. •'' °°'°°°•° ti,�, REMOVE 15 LF F 1. UT LOCATIONS EXISTING UNDERGROUND ELECTRIC LINE ESS/ •° /�, APPROXIMATE CONTRACTOR
- - - - -- EXISTING EASEMENT a 4 '9 EXISTING 18 �^ ERIFY PRIOR TO CONSTRUCTION. U
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/ O ' — BASELINE
® a 13344 —�� EXISTING CURB STD 20.21 w GAS UNE CONFLICT NOT ANTICIPATED HOWEVER ATE:9 MAY 2012
INFRASTRUCTURE TO BE REMOVED z :F CONTRACTOR TO LOCATE LINES AS ADJUSTMENTS
O PAVEMENT TO BE REMOVED /REPLACED %��'•°°�Pd�E� °` "O '~ 19 LF 24" RCP 0 3.1 �� '
TO THE STORM DRAINAGE DEPTH MAY BE REQUIRED Ra. /DWG. NAME:
/ akestone Drive
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A SURVEY CONTROL POINT '�RANI7� '' ILLAIM C JR &c MELANDIE H / 20 10 0 20 40 1.620
® STREAM IMPACT LOCATIONS \ 524 LAKESTONE
BUFFER IMPACT LOCATIONS PIN: 1705481885 / i
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?erimanent Riparian Seed Mix Zone A & B (Buffer Onl;)
kpplication Rate = 35 lbs per Acre Total Ibs = 4lbs
Revised Seed mix Automotive Wav
Scientific Name
Common Name
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Elymus virginicus
Virginia wild rye
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Switch grass
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kpplication Rate = 35 lbs per Acre Total Ibs = 4lbs
Revised Seed mix Automotive Wav
Scientific Name
Common Name
Percent
Elymus virginicus
Virginia wild rye
20
Panicum virgatum
Switch grass
20
Agrostis stolonifera
Creeping bentgrass
20
Juncus effsus
Soft rush
5
Panicum clandestinum
Deer tongue
5
Schizachyrium scoparium
Little bluestem
5
Sorgastrum nutans
Indian grass
10
Polygonum pensylvanicum
Penn. Smartweed
5
Coreopsis lanceolata
Coreopsis
10
1. PLANTING ZONE A STREAM BANK AND BUFFER: TO BE
PLANTED WITH A COMBINATION OF THE FOLLOWING SMALL
TREES /SHRUBS:
(ROOTED PLANT PLUGS- 12 -18" IN HEIGHT)
TOTAL = 180 PLANTS (3' ON CENTER SPACING)
STREAMBANK
C4RPINUS CAROLINIANA IRONWOOD — (45 PLANTS)
CORNUS AMOMUM — SILKY DOGWOOD (45 PLANTS)
ILEX VERT7CILLATA — WINTERBERRY (45 PLANTS)
ALNUS SERRULATA — TAG ALDER (45 PLANTS)
AUQ
PLANTING ZONE B:(WITHIN BUFFER ZONE 1 AND 2 ONLY)
15 TREES TO BE PLANTED WITH A COMBINATION OF: THE
FOLLOWING (20' ON CENTER SPACING) (CONTAINER
PLANTS 1 GAL)
i
BETULA NIGRA — RIVER BIRCH (5 PLANTS)
FRAXINUS PENNSYLVANICA — GREEN ASH (5 PLANTS)
ACER FLORIDANUM —SOUTHERN SUGAR MAPLE (5 PLANTS)
2. CONTRACTOR TO REPLANT DISTURBED AREA IN ZONE B
OUTSIDE OF BUFFER ZONES 1 AND 2 TO MATCH EXISTING
GRASS ON SITE (NO TREES OR SHRUBS REQUIRED) OR
PROVIDE PINESTRAW MULCH IN NATURAL AREAS.
3. PLANTING STOCK TO BE GROWN BY NURSERIES WITHIN
THE SAME PHYSIOGRAPHIC REGION (PIEDMONT) AND WITHIN
200 MILES OF THE PROJECT SITE.
4. FERTILIZER RECOMMENDATIONS:
LIME X� TON /AC.
PHOSPHATE 20 -40 LBS /AC.
POTASH 50 -70 LBS /AC.
WATERING REQUIREMENTS ONCE /WEEK IF NO RAIN
DISTURBED AREA= 9,957 SF.= 0.23 AC.
Temporary Seed Mix for all Disturbed Areas
Grass Type Time of Year to Plant Planting Rate (lbsfacre)
Rye Grain August 15 - May 1 15
Brown -top millet May 1 - August 15 1 15
20 10 0 20 40
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520 AND 524 LAKESTONE DRIVE
`�ildw DRIVEWAY DETAIL
CITY OF RALEIGH,NORTH CAROLINA
DATE: MAY 9. 2012
City of igh
t r tie WARD CONSULTING ENGINEERS, PC
�1Wa rc ' ` FIRM LICENSE N0: C -2619
8368 Six Forks Rd. Suite 104 (919) 870 -0528
Raleigh, NC 27615 -5083 FAX [phone]

AGGREGATE BASE COURSE (ABC) -6" MIN
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EXISTING STONE MAY BE UTILIZED
PROVIDING THE MINIMUM DEPTH
IS OBTAINED.
2. ASPHALT CONCRETE SHALL BE AS
SPECIFIED IN SECTION 1020 OF NCDOT.
3. AGGREGATE BASE SHALL CONFORM TO
SECTION 1010 OF NCDOT SPECIFICATIONS.
4. LIQUID ASPHALT FOR TACK COATS AND
TREATMENT OF AGGREGATE BASE SHALL BE
AS SPECIFIED IN SECTION 1020 OF NCDOT.
520 AND 524 LAKESTONE DRIVE
DETAILS
CITY OF RALEIGH,NORTH CAROLINA
WARD CONSULTING ENGINEERS, PC
8368 Six Forks Rd. Suite 104 (919) 870 -0526
Raleigh, NC 27615 -5083 FAX [phone]

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CITY OF RALEIGH,NORTH CAROLINA
DATE: JULY 9, 2010
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8368 Six Forks Rd. Suite 104 (919) 870 -0526
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DETAILS
CITY OF RALEIGH,NORTH CAROLINA
DATE: JULY 9, 2010
WARD CONSULTING ENGINEERS, PC
8368 Six Forks Rd. Suite 104 919 870 -0526
Raleigh, NC 27615 -5083 FAX [phone]