20050034 Ver 2_401 Application_20170525

To: RALEIGH REGULATORY FIELD OFFICE
US Army Corps of Engineers
Attn: Tasha Alexander
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
From: Kevin C. Martin
Soil & Environmental Consultants, PA
Im
17th, 2017
NC DWR, 401 & Buffer Permitting Unit
Attn: Karen Higgins
Archdale Building — 9th Floor
512 North Salisbury Street
Raleigh, NC 27604
Re: Westgate Park Dr. & Westgate Business Center
Raleigh, Wake County, NC
NOTE: A DWR application fee of $240 is attached
On behalf of the applicant, Sycamore Creek, LLC (Attn: Trent Ragland) please find attached a complete
application and supplemental information requesting a Nationwide Permit 39 from the USACE and a
Buffer Authorization from N.C. Division of Water Resources (NCDWR).
The proposed project is the extension of an existing road and a BMP bypass channel thru a stream buffer
for Lot 16 of the Westgate Business Park. For more details see the attached site plans, maps and PCN
form. The project purpose is to provide access to a commercial development.
PROJECT SUMMARY
Project Name
Westgate Park Dr. & Lot 16 Westgate Business Park
Project Type
Road
Owner / Applicant
Sycamore Creek LLC
County
Wake
Nearest Town
Raleigh
Waterbody Name
UT Sycamore Creek
Basin
Neuse
Class
B; NSW
IMPACT SUMMARY
Stream Impact (acres):
Wetland Impact (acres): 0
Open Water Impact (acres): 0.0
Total Impact to Waters of the U.S. (acres)
Total Stream Impact (linear feet): 150'

Perennial
150'
Intermittent
0'
Zone 1 Buffer
7893 sqft
Zone 2 Buffer
4662 sqft
Attachments:
Pre -construction Notification (PCN) Application Form
USGS and Soil Survey Map
Impact Exhibits (3 pages)
Wetland Sketch Map after USACE site Meeting

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Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.4 January 2009
A.
1.
Pre -Construction Notification (PCN) Formnno
Applicant Information
Processing
R @ [ Q F [�?
MAY
1 a.
Type(s) of approval sought from the Corps:T_
MSection 404 Permit
-.AT
UPF lf1R $
1b. Specify Nationwide Permit (NWP) number: 39 or General Permit (GP) number:
1c.
Has the NWP or GP number been verified by the Corps?
Q Yes
❑ No
1d.
Type(s) of approval sought from the DWQ (check all that apply):
X❑ 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express Q 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 X❑ No
For the record only for Corps Permit:
❑ Yes Q 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
❑X No
1 g.
Is the project located in any of NC's twenty coastal counties. If yes, answer 1 In
below.
❑ Yes
❑X No
1 h.
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes
Q No
2.
Project Information
2a.
Name of project:
Westgate Park Dr.
2b.
County:
Wake
2c.
Nearest municipality /town:
Raleigh
2d.
Subdivision name:
Westgate Business Park
2e.
NCDOT only, T.I.P. or state project no:
3.
Owner Information
3a.
Name(s) on Recorded Deed:
Syacamore Creek LLC
3b.
Deed Book and Page No.
(PIN)0778557080
3c.
Responsible Party (for LLC if
applicable):
W Trent Ragland III
3d.
Street address:
305 Transylvania Ave.
3e.
City, state, zip:
Raleigh, INC 27606
3f.
Telephone no.:
919-782-7283
3g.
Fax no.:
3h.
Email address: I
[e-mail]
Page 1 of 10
PCN Form — Version 1.4 January 2009

J�
4. Applicant Information (if different from owner)
4a. Applicant is:
❑ Agent ❑ Other, specify:
4b. Name:
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
5. Agent/Consultant Information (if applicable)
5a. Name:
5b. Business name
(if applicable):
5c. Street address:
5d. City, state, zip:
5e. Telephone no.:
5f. Fax no.:
5g. Email address:
Page 2 of 10

7,�
B.
Project Information and Prior Project History
1.
Property Identification
1a.
Property identification no. (tax PIN or parcel ID):
0778557080
1 b. Site coordinates (in decimal degrees):
Latitude: 35.90725 Longitude: -78.743724
1c.
Property size:
24.91 acres
2.
Surface Waters
2a.
Name of nearest body of water to proposed project:
Sycamore Creek
2b.
Water Quality Classification of nearest receiving water:
B, NSW (stream index 27-33-9)
2c.
River basin:
Neuse
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:
Extension of existing road to serve commercial lot development.
3b.
List the total estimated acreage of all existing wetlands on the property: 0.01
3c.
List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 3,580
3d. Explain the purpose of the proposed project:
Provide access to commercial lots. Also BMP discharge for road & Lot 16
3e.
Typical
Describe the overall project in detail, including the type of equipment to be used:
construction equipment for road construction,
4.
Jurisdictional Determinations
4a.
Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (includingall prior phases)in the past?
0 Yes ❑ No ❑ Unknown
Comments: preliminary JD requested 10/7/16
4b.
If the Corps made the jurisdictional determination, what type
of determination was made?
❑ Preliminary ❑ Final
4c.
If yes, who delineated the jurisdictional areas?
Name (if known): Kevin Martin
Agency/Consultant Company: S&EC, PA
Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
Tasha Alexander (USACE) visited the site with Kevin Martin of S&EC on 11/8/16. Since we are buffering all streams shown on the USGS topo and
county soil survey, no site meeting with DWR was performed.
5.
Project History
5a.
Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
❑Yes ❑X No ❑ Unknown
5b.
If yes, explain in detail according to "help file" instructions.
6.
Future Project Plans
6a.
Is this a phased project?
❑ Yes 0 No
6b. If yes, explain.
Page 3 of 10
PCN Form — Version 1.4 January 2009

rA
C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
❑ Wetlands ❑X Streams — tributaries ❑X 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.
Wetland impact
number
Permanent (P) or
Temporary T
2b.
Type of impact
2c.
Type of wetland
2d.
Forested
2e.
Type of jurisdiction
Corps (404,10) or
DWQ (401, other)
2f.
Area of
impact
(acres)
W1
Choose one
Choose one
Yes/No
-
W2
Choose one
Choose one
Yes/No
W3
Choose one
Choose one
Yes/No
W4
Choose one
Choose one
Yes/No
W5
Choose one
Choose one
Yes/No
W6
Choose one
Choose one
Yes/No
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.
Stream impact
number
Permanent (P) or
Temporary (T)
3b.
Type of impact
3c.
Stream name
3d.
Perennial (PER) or
intermittent (INT)?
3e.
Type of
jurisdiction
3f.
Average
stream
width
(feet)
3g.
Impact
length
(linear
feet)
S1 P
Culvert
UT Sycamore Creek
PER
Corps
7.5
110
S2 P
Stabilization
UT Sycamore Creek
PER
Corps
7.5
20
S3
Choose one
S4
Choose one
S5
Choose one
S6
Choose one
3h. Total stream and tributary impacts
130
3i. Comments:
the 20 linear feet of rock energy dissipaters will be constructed such that the post -construction top elevation of them do not exceed the elevation of the
existing stream bed.
Page 4 of 10
PCN Form — Version 1.4 January 2009

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 indivii ually list all open water impacts below.
4a.
Open water
impact number
Permanent (P) or
Temporary T
4b.
Name of waterbody
(if applicable)
4c.
Type of impact
4d.
Waterbody
type
4e.
Area of impact (acres)
01
Choose one
Choose
02
Choose one
Choose
03
Choose one
Choose
04
Choose one
Choose
4f. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, the complete the chart below.
5a.
Pond ID number
5b.
Proposed use or
purpose of pond
5c.
Wetland Impacts (acres)
5d.
Stream Impacts (feet)
5e.
Upland
(acres)
Flooded
Filled
Excavated
Flooded
Filled
Excavated
P1
Choose one
P2
Choose one
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:
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 require mitigation, then you MUST fill out Section D of this form.
6a. Project is in which protected basin?
❑X Neuse ❑ Tar -Pamlico ❑ Catawba ❑ Randleman ❑ Other:
6b.
Buffer Impact
number —
Permanent (P) or
Temporary T
6c.
Reason for impact
6d.
Stream name
6e.
Buffer
mitigation
required?
6f.
Zone 1
impact
(square
feet)
6g.
Zone 2
impact
(square
feet
B1 P
Road Crossing
UT Sycamore Creek
No
7,443
4,362
B2 P
BMP Outlet
UT Sycamore Creek
No
450
300
B3
Yes/No
B4
Yes/No
B5
Yes/No
B6
Yes/No
6h. Total Buffer Impacts:
7,893
4,662
6i. Comments:
Page 5 of 10

Ii/
D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
road crossing was designed perpendicular to stream and all other streams and buffers onsite were avoided. Development will be outside the 100 year
floodplain.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
In keeping with recent Corps interpretations, the rock energy disipaters will be constructed such that the post -construction top elevation of them do not
exceed the elevation of the existing stream bed. We have been advised that this would be considered by the Corps as an impact but not a permanent
loss of stream and there fore they would not require mitigation for such impacts.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State?
❑ Yes ❑X No
2b. If yes, mitigation is required by (check all that apply):
❑ DWQ ❑ Corps
2c. If yes, which mitigation option will be used for this
project?
❑ Mitigation bank
❑ Payment to in -lieu fee program
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter)
Type: Choose one
Type: Choose one
Type: Choose one
Quantity:
Quantity:
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:
Choose one
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.
Page 6 of 10
PCN Form — Version 1.4 January 2009

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).
____j
6h. Comments:
Page 7 O 10

./
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
Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1 b.
If yes, then is a diffuse flow plan included? If no, explain why.
Stormwater management plan to be approved by the city of Raleigh. BMP's are being designed to
❑ Yes ❑X No
discharge
thru the buffers and into the stream after treatment.
2.
Stormwater Management Plan
2a. What is the overall percent imperviousness of this project?
33.3%
2b.
Does this project require a Stormwater Management Plan?
9 Yes ❑ No
2c.
If this project DOES NOT require a Stormwater Management Plan, explain why:
%
imperviousness is for LOT 16 other lots have not been designed at this time but will be subject to the same city of Raleigh requirements
2d.
If this project DOES require a Stormwater Management Plan, then provide a brief, narrative
description of the plan:
The stormwater plan will be reviewed and approved by the City of Raleigh. Approximate BMP locations are shown on the plans submitted with this
application.
2e.
Who will be responsible for the review of the Stormwater Management Plan?
Raleigh
3.
Certified Local Government Stormwater Review
3a.
In which localgovernment's jurisdiction is thisproject?
Raleigh
0 Phase II
❑X NSW
3b.
Which of the following locally -implemented stormwater management programs
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c.
Has the approved Stormwater Management Plan with proof of approval been
❑Yes ❑X No
attached?
4.
DWQ Stormwater Program Review
❑Coastal counties
❑HQW
4a.
Which of the following state -implemented stormwater management programs apply
❑ORW
(check all that apply):
❑Session Law 2006-246
❑Other:
4b.
Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ❑X No
attached?
5.
DWQ 401 Unit Stormwater Review
5a.
Does the Stormwater Management Plan meet the appropriate requirements?
❑X Yes ❑ No
5b.
Have all of the 401 Unit submittal requirements been met?
❑X Yes ❑ No
Page 8 of 10
PCN Form — Version 1.4 January 2009

.✓
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1a. Does the project involve an expenditure of public (federal/state/local) funds or the
❑ Yes ❑X No
use of public (federal/state) land?
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
El Yes ❑ No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c. 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
E] Yes E] No
letter.)
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 ❑X No
or Riparian Buffer Rules (15A NCAC 2B.0200)?
2b. Is this an after -the -fact permit application?
❑Yes ❑X 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
E] Yes ❑X No
additional development, which could impact nearby downstream water quality?
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.
We have reviewed the "Draft Internal Policy, Cumulative impacts and the 401 Water Quality Certification and Isolated Wetlands Programs" document
prepared by the NC Division of Water Quality on April 10, 2004, version 2.1. The draft states that many private developments are unlikely to cause
cumulative impacts, including projects such as urban in -fill, most residential subdivisions and small commercial developments as well as agricultural
and silvicultural operations. Westgate Business Park is a small commercial development.
4. Sewage Disposal (DWQ Requirement)
4a. 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.
Connection to existing municipal sewer
Page 9 of 10
PCN Form — Version 1.4 January 2009

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 ❑X No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
❑ Yes ❑X No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
-
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
`Threatened/Endangered Species have not been identified within the project area via a NC -Natural Heritage Programs Data Search. Northern
long eared bat was listed for Wake county 4/2/15, this project involves the removal of some trees the Corps will initiate consultation with USFWS
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat?
❑ Yes ❑X No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
The NOAA Habitat Conservation/Habitat Protection: National Marine Fish Service; Essential Fish Habitat Mapper website was referenced. No
Essential Fish Habitat was identified near the project.
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 ❑X 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?
Records checks at the State Historic Preservation Office or the Office of State Archeology were not performed. No structures are present onsite and
no structures are identified on the NC State Historic Preservation Office HPOWEB GIS Service within 3/4 miles.
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain?
❑ Yes ❑X No
8b. If yes, explain how project meets FEMA requirements:
while there is floodplain on the property none of the development is proposed within it.
8c. What source(s) did you use to make the floodplain determination?
Wake county GIS and FEMA firm Panel 3720077800J
W. Trent Ragland III
Applicant/Agent's Printed Name
Dat
i n re
pp t s S g atu
lican /A%only
(Agent's signature is if an authorization
letter from the nt isprovided.)
Page 10 of 10

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CSG NRB AND GUTTER
RPZ REDULEO PRESSURE ZDFE
TSP TRAFFIC SIGNAL POLE
DCVq DOUBLE QECK VALVEASSENBLY
RPDA REWCED PRESSURE DETECTOR ASSEMBLY
a CONCRETE
`D+ E%. POWER POLE
N NEW WATER VALVE
CjVO EX.-TERVE
. NEWVMTERREDUCER
V EX, FIRE MYDWRT
,.JEW FIRE NrpiANT
C3 EX -TER METER
- NEWWATERAIMR
EX SAWTARY SEVER MMIKIE
NEW SANITARY SEVER1MN110.E
O EX SANITARY SEWER MEANDUT
NEW SANITARY SEVER 0.EANDUT
= EX STORM GTpI BASIN
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<•, EX. STORM FLARED END SECTIO!
II, NEW STORM DROP INLET
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NEW STORM FLARED END SE -0N
SYCAMORE
N/F
MARTIN MARIETTA MATERIALS INC.
PIN# 0778536990
BM 2011, PG 1208
i
N/F
MARTIN MARIETTA MATERIALS INC.
PIN# 0778740512
BM 2011, PG 1208
IMPACT AREA #2
SEE SHEET 3
GRAPHIC SCALE
0 100 200 400
( IN FEET )
I inch = 200 ft.
JOHN A. EDWARDS & COMPANY
Consulting Engineers
and Land Surveyors
NC License F-0289
333 Wade Ave., Raleigh, N.C. 27605
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
www.jaeco.com
Seals
WESTGATE PARK DRIVE
EXTENSION
LOT 16
W. TRENT RAGLAND, III
3725 NATIONAL DR., SUITE 150
RALEIGH, NC 27612
SITE PLAN
Revisions I
Numt*rl Description I Date
Drawing Scale V= 200'
Drawn By BE
PROPERTY UNE
- -
RIGNr-of-wAr uNE
-----------
LGTUfE
EASEMENT UNE
---- W
EXISTING VMTER UNE
----SS
EXISTING SANITARY SEWER
EXISTING I- DRAINAGE
W
NEW WATER UNE
NEV, 3AWTARY SEVER
NEW STORM DRAINAGE
- - - -Z70-
EXISTING CONTOUR UNE
270
NEWCONT-UNE
-
PENA I.. P.000 WN
FW FW
FLODD+WY
NRB
NEUSE RIVER BUFFER
- -
- CENTERLINE OF CREEK
'= =2�>=J• INVERSION DTDI
SYCAMORE
N/F
MARTIN MARIETTA MATERIALS INC.
PIN# 0778536990
BM 2011, PG 1208
i
N/F
MARTIN MARIETTA MATERIALS INC.
PIN# 0778740512
BM 2011, PG 1208
IMPACT AREA #2
SEE SHEET 3
GRAPHIC SCALE
0 100 200 400
( IN FEET )
I inch = 200 ft.
JOHN A. EDWARDS & COMPANY
Consulting Engineers
and Land Surveyors
NC License F-0289
333 Wade Ave., Raleigh, N.C. 27605
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
www.jaeco.com
Seals
WESTGATE PARK DRIVE
EXTENSION
LOT 16
W. TRENT RAGLAND, III
3725 NATIONAL DR., SUITE 150
RALEIGH, NC 27612
SITE PLAN
Revisions I
Numt*rl Description I Date
Drawing Scale V= 200'
Drawn By BE
Checked By JAE, JR.
Date Issued 5/16/17
Of

IMPACTS , ;';'`'% `', �, `'', �� IMPACT LEGEND
S1- PERMANENT STREAM PIPE ................. 110 LF!'�i''
S2 - PERMANENT STREAM RIP-RAP...........
20 LF
ZONE 1 IMPACT
JOHN A. EDWARDS & COMPANY
STREAM IMPACT PIPE................................ 823 SFCIO„i \`.
\\\ \' \ Consulting Engineers
STREAM IMPACT RIP-RAP .......................... 150 SF and Land Surveyors
' NC License F-0289
BI - ZONE 1 NRB........................................ 7,443 SF ;' 333 wade Ave., Raleigh, N.C. 27605
` Phone: [phone]
ZONE 2 IMPACT
B1 -ZONE 2 NRB ..... 4,362 SF %,, -��-�� E Fax: [phone]„
`a /VE(7S� 1pp;
44 E-mail: [e-mail]
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NOTE: "ROCK ENERGY DISSIPATERS WILL BE CONSTRUCTED SUCH FFgsIJRF www.jaeco.com
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NOT EXCEED THE ELEVATION OF THE EXISTING STREAM BED” � f' ANk ' ' ; -'- % I LOT 16
SO THAT MITIGATION IS NOT REQUIRED FOR THE RIP-RAP. zC' LOT AREA .......................... 2.63 AC.
IMPERVIOUS AREA ............ 0.87 AC.
� ;�— <; 3 % IMPERVIOUS .................. 33%
A-
40
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LOT 16
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16
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�" " 14+00 I ' j 1115+00 ( °' 16+'� MARTIN MARIETTA MATERIALS INC. RALEIGH, NC 27612
\ \ \ ( a fes%. , 13+0 — -J—�� + —r ( 00 PIN# 0778740512
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1
Approvals
' WESTGATE PARK DRIVE
(64' PUBLIC R/W)
4 ;
i4 ..:-RAP ----- ---- - GRAPHIC SCALE
------------------- - j' / 800 40 80 160
NEW
N W 20' PRIVATE
DRAINAGE 17 ---------------
O; ! : r, S
/Irl ' O \ EASEMENT
''I -'d �',,�------------
IN FEET )
1 inch 80 ft.
430
'.. '.. '. / 430
...._.._ ._ ................... ..... .. .. .
/
Drawing Title
EXISTING GRADE �� `� ................................
425 425 IMPACT AREA #1
PROPOSED GRADE '
,....
PROPOSED -, —' _ Revisions
.-- -��.- _ -..._ _. Number Description Date
CONC. HEADWALL
_ STREAM INV. 419.20
....
420 420
PROPOSED <. '' 10" PIPE BURY NOTE:
60" RCP PIPE INV. 418.30 COFFER DAM TO BE CONSTRUCTED UPSTREAM OF PIPE CROSSING.
415 EXISTING FLOWS TO BE PUMPED AROUND. 415
_ EX. 15" SS 1„ = 80' (HORIZ)
Drawing Scale V = 8' (VERT.)
INV.= 416.52 ^
410 410 Drawn By BF L
Checked By JAE, JR.
8+00 9+00 10+00 11+00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 19+00 Date Issued 5/15/17 of

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7
JOHN A. EDWARDS & COMPANY
Consulting
Engineers
and Land Surveyors
_ 11,
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1 NEW 20' PRIVATE
FEMA 100 YR
FLOOD PLAIN
NC License F-0289
333 Wade Ave., Raleigh, N.C. 27605
Phone: [phone]
r�
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Z
DRAINAGE
EASEMENT
1 1
REF PANEL
3720077800J
Fax: [phone]
E-mail: [e-mail]
www.jaeco.com
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DETENTION
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W. TRENT RAGLAND, III
3725 NATIONAL DR., SUITE 150
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RALEIGH, NC 27612
Approvals
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RIP-RAP CHANNEL TO
IMPACT LEGEND
TOP OF CREEK BANK
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ZONE 1 IMPACT
F FER
t�EVSS�RED 50 F
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Drawing Title
EACH„ 1 i,
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1
ZONE 2 IMPACT
IMPACT AREA #2
Revisions
Number Description Date
';;�
•
\
,
I M PACTS
BYPASS CHANNEL
GRAPHIC SCALE
B2 - ZONE 1 NRB BYPASS ............
450 SF
40 0 20 40 80
B2 - ZONE 2 NRB BYPASS ............
300 SF
Drawing Scale 1"=40'
( IN FEET)
Drawn By BF 3
1 inch = 40 ft.
Checked By JAE, JR.
Date Issued 5/15/17 of