20120034 Ver 1_Application_20120112

r
BEVERLY EAVES PERDUE
GOVERNOR
STATE OF NORTH CAROLINA
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DEPARTMENT OF TRANSPORTATION 'T
January 10 2012
Mr Tom Steffens
U S Army Corps of Engineers
Washington Regulatory Field Office
Post Office Box 1000
Washington, North Carolina 27889 1000
Mr Rob Ridings
Wetlands /401 Unit
NC DENR Division of Water Quality
2321 Crabtree Blvd.
Raleigh, NC 27604 -2260
EUGENE A Co?m JR
SECRETARY
2 0 1 2 0 0 3 4
Subject NWP 13 and 14 request, for widenmg US 13 (Berkley Blvd ) from Royall
Ave to South Drive m Goldsboro, Wayne County, NC TIP U3609A
WBS # 39026 1 1
Dear Sirs
Please find enclosed the Pre - Construction Notification for the above referenced project
The proposed project involves widening US 13 (Berkley Blvd ) from a four lane to a five
lane road to accommodate the existing high volume traffic The existing road consists of
two east bound lanes, a turn lane, and one west bound lane The proposed project
consists of widening on the western side of the road to create an additional west bound
lane In addition, Fallm Blvd is proposed for realignment to create a four leg intersection
with Berkley Blvd and Hill Drive The total length of this project is 1 1 mules
There are unavoidable mipacts to buffers and streams associated with this project Billy
Branch is located in the Neuse River Basin and is classified by the Division of Water
Quality as C, NSW waters Best Management Practices for the Protection of Surface
Waters will be strictly adhered to during this project
(252) 237 -6164 x 3532 tccoggms @ncdot gov
Post Office Box 3165, Wilson, North Carolina 27895 -3165

J
Federally Protected Species and Cultural Resources
All environmental and cultural studies have been completed and are included a CE dated 9/30/09
Minunization Information
Impacts will be rmnmmzed by strict enforcement of Best Management Practices for the protection
of surface waters and wetlands, restrictions against the staging of egnupment in or adjacent to
waters of the US and coordination (including a pre - construction meeting) with the Division
Environmental Officer
Regulatory Approvals
USACE Section 404 Permt The project qualifies for Nationwide Pernnt 13 and (Bank
Stabilization and Linear Transportation Protect) All permit conditions will be followed. For our
files, please provide written authorization that the activity is authorized
NCDWQ Section 401 Certification The project qualifies for 401 General Certification number
3689 and 3704 All conditions of the general certification will be followed. For our files please
provide written authorization that the activity is authorized.
NCDWQ Buffer Rules All proposed activities are an allowable use For our files, please provide
written authonzation that the activity is authonzed
Please contact Chad Coggins (252) 296 -3532 or Byron Bateman at (252) 296 -3530 of you have
any questions or need additional information. Your time and effort are appreciated
Re ectfully Yo
4/
W Rouse Jr
Acting Division Engineer
(252) 237 -6164 x 3532 tccoggins @ncdot gov
Post Office Box 3165, Wilson, North Carolina 27895 -3165

O�OF W ATF9OG
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Office Use Only
Corps action ID no
DWQ project no
Form Version 13 Dec 10 2008
Page I of 12
PCN Form — Version 13 December 10 2008 Version
Pre - Construction Notification CN) Form
A Appheant Information
1
Processing
1a
Type(s) of approval sought from the
Corps
®Section 404 Permit ❑ Section 10 Permit
1b Specify Nationwide Permit (NWP) number 13 and 14 or General Permit (GP) number
1c
Has the NWP or GP number been verified by the Corps?
❑ Yes
® No
1d
Type(s) of approval sought from the DWQ (check all that apply)
® 401 Water Quality Certification — Regular ❑ Non-404 Jurisdictional General Permd
❑ 401 Water Quality Certification — Express ® Riparian Buffer Authorization
1e
Is this not cation 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
1g
Is the project located in any of NC s twenty coastal counties If yes answer 1 h
below
❑ Yes
® No
1h
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes
® No
2
Project Information
2a
Name of project
Berkeley Boulevard Widening
2b
County
Wayne
2c
Nearest municipality / town
Goldsboro
2d
Subdivision name
N/A
2e
NCDOT only T I P or state
project no
TIP U 3609A
3
Owner Information
3a
Name(s) on Recorded Deed
N/A
3b
Deed Book and Page No
3c
Responsible Party (for LLC if
applicable)
3d
Street address
3e
City state zip
3f
Telephone no
3g
Fax no
3h
Email address
Page I of 12
PCN Form — Version 13 December 10 2008 Version

4
Applicant Information (if different from owner)
4a
Applicant is
❑ Agent ® Other specify NC Department of Transportation
4b
Name
Chad Coggins
4c
Business name
(if applicable)
NCDOT Highway Division 4
4d
Street address
509 Ward Boulevard/ P O Box 3165
4e
City state zip
Wilson NC 27895
4f
Telephone no
252 237 6164
4g
Fax no
252 234 6174
4h
Email address
ccoggms @ncdot gov
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 12
PCN Form — Version 13 December 10 2008 Version

B Project Information and Prior Project History
1 Property Identification
1a Property identification no (tax PIN or parcel ID)
N/A linear transportation corridor
Latitude 35 225769 N Longitude
1b Site coordinates (in decimal degrees)
77 554553 W
(DD DDDDDD) ( DD DDDDDD)
1 c Property size
—6 6 acres
2 Surface Waters
2a Name of nearest body of water (stream river etc ) to
Billy Branch
proposed project
2b Water Quality Classification of nearest receiving water
C NSW
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
Berkeley Boulevard is a four lane section with grass shoulders on the west and curb and gutter on the east There is a
signalized intersection with New Hope Road to the north and Royall Avenue to the south Fallin Blvd is a two-lane curb
and gutter section The surrounding area is primarily residential (single and mixed family) and commercial sites
3b List the total estimated acreage of all existing wetlands on the property
No wetlands occur within the project boundary
3c List the total estimated linear feet of all existing streams (intermittent and perennial) on the property
300 If
3d Explain the purpose of the proposed project
The purpose of the project is to widen existing Berkeley Boulevard from a four lane to a five -lane road to accomodate the
existing high traffic volume The existing road consists of two east bound lanes a turn lane and one west bound lane
The proposed project will consist of a widening on the western side of the road to create an additional west bound lane
In addition Fallin Boulevard is proposed for realignment to create a four leg intersection with Berkeley Boulevard and Hill
Drive Circle
3e Describe the overall project in detail including the type of equipment to be used
The Berkeley Boulevard widening project is being constructed by NCDOT and is funded by the City of Goldsboro and
Federal funds administered by NCDOT By municipal agreement the City is to prepare plans adjust utilities and acquire
right of way and easements The project will consist of asphalt road widening culvert extensions and utility upgrades
Equipment will consist of excavators backhoes and asphalt pavers
4 Jurisdictional 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 A preliminary JD request is included as part of
this 404/401 application submittal
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 Kimley Horn and
Associates Inc
Name (if known) Beth Reed PWS
Other
4d If yes list the dates of the Corps jurisdictional determinations or State determinations and attach documentation
N/A
Page 3 of 12
PCN Form — Version 13 December 10 2008 Version

5 Project History
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
6 Future Project Plans
6a is this a phased project?
❑ Yes ® No
6b If yes explain
Page 4 of 12
PCN Form — Version 13 December 10 2008 Version

C Proposed Impacts Inventory
1 Impacts Summary
la 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
Welland impact
Type of jurisdiction
number —
Type of impact
Type of wetland
Forested
(Corps 404 10
Area of impact
Permanent (P)
(d known)
DWQ — non -404 other)
(acres)
or Temporary
W1 ❑ P [IT
❑ Yes
❑ Corps
❑ No
❑ DWQ
W2 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W3 ❑ POT
❑ Yes
❑ Corps
❑ No
❑ DWQ
W4 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W5 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W6 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
2g Total wetland
impacts
N/A
2h Comments N/A there are no wetlands located within the project corridor
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)
intermittent
DWQ — non -404
width
(linear
or Temporary
(INT)?
other)
(feet)
feet)
(T)
S1 ® P [--IT
Culvert
extension/replacement
Billy Branch
® PER
❑ INT
® Corps
® DWQ
10
26
S1 ❑ P ® T
Channel
improvements/dewatenng
Billy Branch
® PER
❑ INT
® Corps
® DWQ
10
70
S1 ❑ POT
Stream bank stabilization
Billy Branch
® PER
❑ INT
® Corps
® DWQ
10
39
S2 ®P ❑ T
Culvert
UT to Billy
® PER
® Corps
8
55
extension/replacement
Branch
❑ INT
® DWQ
S2 ❑ P ®T
Channel
UT to Billy
® PER
® Corps
8
34
improvements/dewatenng
Branch
❑ INT
® DWQ
3h Total stream and tnbutary impacts
224
31 Comments In conjunction with the re alignment of Fallin Blvd the existing roadway pavement and 2 @ 36 RCPs will be
removed allowing 54 LF of channel to be restored to natural conditions
Page 5 of 12
PCN Form — Version 13 December 10 2008 Version

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
(if applicable)
Type of impact
Waterbody type
Area of impact (acres)
number —
Permanent (P)
or Temporary
T
01 ❑P [IT
02 ❑P [IT
03 ❑P
04 ❑P
4f Total open water impacts
N/A
4g Comments N/A there are no open waters within the project corridor
5 Pond or Lake Construction
If pond 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 N/A
5h Is a dam high hazard permit required
❑ Yes ❑ No If yes permit ID no
51 Expected pond surface area (acres)
51 Size of pond watershed (acres)
5k Method of construction
Page 6 of 12
PCN Form — Version 13 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 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
Road
widening
and
associated
❑ Yes
B1 ®P ❑ T
permanent
Billy Branch
® No
6 829
3 917
drainage
easements
and stream
stabilization
62 SPOT
Rgnment
UT to Billy Branch
®No
5 928
3 607
6h Total buffer impacts
21�
L 524
61 Comments In conjunction with the Fallen Blvd re aligment the existing roadway pavement will be removed allowing for the
re establishment of 2 378 sf of Zone 1 buffer and 1978 sf of Zone 2 buffer The channel will be re- established to match
natural conditions
D Impact Justification and Mitigation
1 Avoidance and Minimization
1a Specifically describe measures taken to avoid or minimize the proposed impacts in designing project
All practical measures have been taken to avoid and minimize impacts to the streams Due to the location of the streams
underneath the existing roads avoidance of these features is not feasible for the widening of Berkeley Blvd and the re
alignment of Fallen Blvd Stream crossings have been designed to be perpendicular encroachments The replacement of the
undersized culverts will improve upstream flooding
1 b Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques
Headwalls will be utilized on the proposed structures at the Billy Branch and Unnamed Tributary to Billy Branch to minimize
stream impacts Erosion control measures will be installed during construction to help reduce the impact of sediment laden
water washing into receiving streams Measures will include skimmer basins stilling basins check dams rock inlet protection
temporary ditch liners and silt fencing The 2@ 6 x5 RCBCs associated with the Berkley Blvd /Billy Branch crossing will be
buried 1 The 2@ 48 RCPs associated with the Fallen Blvd /UT to Billy Branch crossing will be buried 10
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 7 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
15
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 Road crossings impacting less than 150 If of riparian buffer are allowable without mitigation therefore no
riparian buffer is proposed In addition in conjunction with the re alignment of Fallin Blvd existing roadway pavement
will be removed allowing for the re- establishment of 2 378 SF of Zone 1 buffer and 1 978 SF of Zone 2 buffer
Page 8 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
1a Does the project include or is it adjacent to protected riparian buffers identified
® Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1b If yes then is a diffuse flow plan included? If no explain why
Comments Refer to plan sheets 6 of 9 and 8 of 9 A field meeting was held on
September 15 2009 with Rob Ridings (DWQ) Byron Bateman (DWQ) Chad
Coggins (NCDOT Division 4 Environmental Officer) and Randy Boyd (NCDOT
Hydraulics unit) to discuss permitting From this meeting it was determined that the
acceptable and and best way to treat the stormwater from the Berkeley Blvd project
® Yes ❑ No
was with a grass swale (at station 35 +49 LT L ) See Attachment A e-mail
correspondence documenting the field meeting Following this meeting the scope
of the project was extended to include the replacement of the existing structure
under Berkeley Blvd aat Billy Branch crossing and the realignment of Fallen Blvd
Stormwater along Fallen Blvd was treated in a similar fashion to Berkeley Blvd with
grass swales
Page 9 of 12
PCN Form — Version 13 December 10 2008 Version

2 Stormwater Management Plan
2a What is the overall percent imperviousness of this project?
38%
2b Does this project require a Stormwater Management Plan
® Yes ❑ No
2c If this project DOES NOT require a Stormwater Management Plan explain why
2d If this project DOES require a Stormwater Management Plan then provide a brief narrative description of the plan
This project is required to treat stormwater runoff to the Maximum Extent Practicable in accordance with the practices
described in the NCDOT Best Management Practices (BMP) Manual (See Attachment B stormwater plan and water
quality calculations)
Stormwater captured in the proposed curb and gutter systems will be treated with grass swales 35 +49 LT L 11 +00 RT Y8
and 13 +55 RT Y8-
The grass swale at 35 +49 LT L has a drainage area of 7 88 ac with 3 65 ac impervious The 1 water quality discharge and
velocity are 4 3 cfs and1 47 fUs respectively with a depth of 0 52 ft The 10 year storm event discharge and velocity are
20 4 cfs and 2 29 ft/s respectively with a depth of 1 18 ft
The grass swale at 11 +00 RT Y8 has a drainage area of 042 ac with 0 37 ac impervious The 1 water quality discharge and
velocity are 0 6 cfs and 1 10 ft/s respectively with a depth of 0 21 ft The 10 year storm event discharge and velocity area
2 3 cfs and 1 77 ft/s respectively with a depth of 0 43 ft
The grass swale at 13 +55 RT L has a drainage area of 0 64 ac with 0 56 ac impervious The 1 water quality discharge and
velocity are 0 8 cfs and 1 16 ft/s respectively with a depth of 0 21ft The 10 year storm event discharge and velocity are
3 4 cfs and 1 77 ft/s respectively with a depth of 0 53 ft
❑ 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?
❑ Phase II
❑ NSW
3b Which of the following locally implemented stormwater management programs
❑ USMP
apply (check all that apply)
❑ Water Supply Watershed
® Other NCDOT
3c Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ❑ 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 NCDOT
4b Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ® No
attached
5 DWQ 401 Unit Stormwater Review
5a Does the Stormwater Management Plan meet the appropriate requirements?
® Yes ❑ No
Page 10 of 12
PCN Form — Version 13 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)
1a
Does the project involve an expenditure of public (federal/state/local) funds or the
® Yes ❑ No
use of public (federal/state) land?
lb
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)?
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
letter )
® Yes ❑ No
Comments A NEPA/ Categorical Exclusion (CE) was approved for this project on
September 30 2009
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 applications
❑ 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
❑ Yes ® 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
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
N/A
Page 11 of 12
PCN Form — Version 13 December 10 2008 Version

5 Endangered Species and Designated Critical Habitat (Corps Requirement)
5a W�ti�thhis project occur in or near an area with federally protected species or
❑Yes No
5b Have you checked with the USFWS concerning Endangered Species Act
impacts?
[I Yes No
5c ff s indicate the USFWS Field Office
ye 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?
The USFWS Endangered and Threatened Species county list for Wayne county and the NC Natural Heritage program
database (accessed 11/8/11) were reviewed as part of this project There are no current or historic occurrences of
threatened or endangered species in the project comdor In addition suitable habitat was not observed for any species
listed by USFWS during field reconaissance
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 not located in a coastal county
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?
A review of the SHPO GIS database was conducted on November 8 2011 No historical resources will be impacted as a
result of the proposed project
8 Flood Zone Designation (Corps Requirement)
8a Will this project occur in a FEMA- designated 100 year fkoodplain?
® Yes E3 No
8b If yes explain how project meets FEMA requirements MOA/No -Rise modeling confirmed the project met the no-nse
condition and does riot require a CLOMR The results were submitted to NC Flooplain Mapping in Sept 2011 pending
final approval
8c What source(s) did you use to make the fkiodplain determination? FIRM map 3720351900J dated December 2 2005 and
Flood Insurance Study No 37191 CV0004
Applicant/Agent s Printed Name
Appllcant/Agent s I ure
Date
(Agent s nature is valid only If an bon letter from the applicant
is provided
Page 12 of 12
PCN Form — Version 13 December 10 2008 Version

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(UNNAMED TRIBUTARY 8 OF 9
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ATTACHMENT A
E -Mail Correspondence Summarizing
September 15, 2009 Field Review Meeting

From RJdmgs, Rob
Sent Friday, September 25, 2009 8 47 AM
To Coggin, Tony C
Cc Bateman, Byron G
Subject US 13 (Berkely Blvd) widening plans / /Z//
Chad,
I ran over these plans you gave me yesterday with Brian
We're satisfied that these are acceptable given the circumstances of the project (urbanized, no space,
etc )
Be sure to include all of the information that is included here in the PCN application when you apply
(Including reasons the other treatment means weren't possible )
Thanks,
Rob
From Jason Jawing @kimiey -horn com [madto Cason lawing @lamiey -horn com]
Sent Tuesday, September 22, 2009 5 53 PM
To Boyd, Randall A, Coggins, Tony C
Subject FW US 13 (Berkely Blvd) widening in Goldsboro
Attached are pdf plan sheets for Berkeley Blvd Sheet 5 contains the system outfall I have added the 4
base ditch with 3 1 side slopes as we talked about in the field last week in the field I said the total
impervious area was 4 acres This was an estimate and the actual total impervious area is 3 24 acres
Based on this the 1" storm (water quality event) discharge is 3 9 cfs The outfall ditch slope is 0 3 %,
which gives us a water quality velocity of 143 ft/s So we would be able to achieve a velocity less than 2
ft/s The ditch length from the outfall of the system to the stream is 180'
This ditch also works for the 10 year storm with a velocity of 2 36 ft/s and a depth of 124 ft (Q10 = 22 6
cfs)
We wouldn t be able to use a level spreader or preformed scour hole because of the amount of water
(22 6 ds in the 10 year event) or detention pond due to the low elevation of the system The grade of
the road is very flat from Caudill Dr (Sta 48 +00) down to the outfall In order to make our system as
high as possible we used the minimum possible slope of 0 3% from structure 12 (controlling offsite DI)
down to structure 3 This allowed us to achieve an invert for structure 3 of 109 88 The elevation of the
existing ground at the potential pond site (property 3) is approximately 114 5 The elevation of the top
of bank of the outfall stream is 112 5 Therefore, our system is over 2 5' lower than the top of bank of
the outfall stream If we were to outlet our system into a pond it would backup m the system up to the

height of our emergency outfall (approximately 2 5') At 0 3% system slope this would back up
approximately 830' into the system Ultimately this would lead to catch basins surcharging and causing
potentially unsafe conditions for cars on the road Therefore I think our best option and possibly only
option for some treatment is the outfall ditch described above
Please review and let me know if you need anything else (supporting data) or have any questions
FYI the shaded areas on the sheets indicate the additional impervious area of 16 acres The boxes at
the bottom of each sheet describe the system elevations
Thanks
Jason Lawmg PE CFM
Kunley Hom and Associates Inc
3001 Weston Parkway
Cary NC 27513
Direct 919 677 2153
Office 919 677 2000
Fax [phone]

ATTACHMENT B
Stormwater Management Plan and Water
Quality Calculations

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Berkeley Boulevard Widening (U- 3609A) Project Narrative
The purpose of this project is to widen Berkeley Boulevard (US 13) to the west with an additional travel
lane including curb and gutter and sidewalk from Royall Avenue to South Drive. The existing typical
section of Berkeley Boulevard includes 4 travel lanes (1 west bound, 2 east bound and 1 center turn lane).
There is curb and gutter in the existing condition on the east side of the road. The project also includes
replacing the existing 2 @, 54" CMP's under Berkeley Boulevard at the Billy Branch (Billy Bud Creek)
crossing with 2 @ 6'x 5' RCBC's. A side road (Fallin Boulevard -Y8 -) will be realigned in order to
create a four point intersection with Berkeley Boulevard and Hill Drive Circle.
Stormwater captured in the proposed curb and gutter systems will be treated with grass swales at stations
35 +49 LT -L -, 11 +00 RT -Y8- and 13 +55 RT -Y8 -.
The grass swale at 35 +49 LT -L- has a drainage area of 7.88 AC with 3.65 AC impervious. The 1" water
quality discharge and velocity are 4.3 cfs and 1.47 ft/s respectively with a depth of 0.52 ft. The 10 year
storm event discharge and velocity are 20.4 cfs and 2.29 ft/s respectively with a depth of 1.18 ft.
The grass swale at 11+00 RT -Y8- has a drainage area of 0.42 AC with 0.37 AC impervious. The 1"
water quality discharge and velocity are 0.6 cfs and 1.10 ft/s respectively with a depth of 0.21 ft. The 10
year storm event discharge and velocity are 2.3 cfs and 1.64 ft/s respectively with a depth of 0.43 ft.
The grass swale at 13 +55 RT -L- has a drainage area of 0.64 AC with 0.56 AC impervious. The 1" water
quality discharge and velocity are 0.8 cfs and 1.16 ft/s respectively with a depth of 0.25 ft. The 10 year
storm event discharge and velocity are 3.4 cfs and 1.77 ft/s respectively with a depth of 0.53 ft.
I
A field meeting was held on September 15, 2009 with Rob Ridings (DWQ), Byron Bateman (DWQ),
Chad Coggin (NCDOT Division 4 Environmental Officer) and Randy Boyd (NCDOT Hydraulics unit)
to discuss permitting. From this meeting it was determined that the acceptable and best way to treat the
stormwater from the Berkeley Boulevard project was with a grass swale (at station 35 +49 LT -L -). Please
see the attached email correspondence as documentation. Due to elevation and quantity of water
constraints level spreaders, preformed scour holes and detention ponds were not applicable at this outfall.
Therefore, it was determined that the swale was the only option available to provide treatment. It would
not be able to provide 100 linear foot of swale per contributing drainage area, but it would be able to
provide 100 linear foot of swale per additional impervious area contributing from the project and this was
deemed acceptable. -y-�
After this field meeting the scope of the project was extended to include the replacement of the existing
structure under Berkeley Boulevard at the Billy Branch (or Billy Bud Creek) crossing and the realignment
of Fallin Boulevard. Stormwater along Fallin Boulevard was treated in a similar fashion to Berkeley
Boulevard with grass swales.