20030065 Ver 2_Stormwater Info_20130114

03- ooL,S l)a.
Preliminary
Stormwater
Management
Plan
Highways 70/581 Project
Goldsboro, NC
SUC Project No. 7325.D2
January 2013
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Patrick K. Smith, PE CK K:
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Soil & Environmental Consultants, PA
11010 Raven Ridge Road • Raleigh, North Carolina 27614 • Phone: [phone] • Fax: [phone]
www.SandEC.com

Preliminary
Stormwater
Management
Plan
Highways 70/581 Project
Goldsboro, NC
S &EC Project No. 7325.D2
January 2013
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Patrick K. Smith, PE
NC License No. 25525 / /c�a 1
Soil & Environmental Consultants, PA
11010 Raven Ridge Road • Raleigh, North Carolina 27614 + Phone: [phone] • Fax: [phone]
www.SandEC.com

Table of Contents
Tableof Contents ................................................................... ............................... i
Listof Figures ........................................................................... .............................ii
Listof Appendices .................................................................... .............................ii
Project Location, Background & Description ........................ ............................... 1
Stormwater Treatment & Peak Discharge Attenuation .......... ............................... 2
Total Suspended Solids (TSS) and Total Nitrogen (TN) Removal Efficiency ....... 2
Preliminary Stormwater Wetland Planning & Design ............. ............................... 2
Nitrogen Export Calculations ................................................. ............................... 3
BMP Inspection & Maintenance ...... : ................. ................................................... 4
Limitations............................................................................. ............................... 4
i

List of Figures
Figure 1— Vicinity Map
Figure 2 — USGS Topographic Map (NW Goldsboro Quadrangle)
Figure 3 — Soil Survey Map
Figure 4 — Preliminary Wetland Stormwater Footprint (overlain on Aerial Photo)
List of Appendices
Appendix A— Email Correspondence (defining BM design criteria)
Appendix B — Preliminary Supporting Stormwater Calculations
Appendix C —Preliminary Stormwater Wetland Plant Selection
Appendix D — Preliminary Nitrogen Export Calculations
Appendix E — Draft Stormwater Wetland Operations & Maintenance Agreement
ii

Project Location, Background & Description
This report represents a Preliminary Stormwater Management Plan for the Highway
70/581 Project in Wayne County, NC. The property described in this report consists of
approximately 1.63 acres and is located south and east of the intersection of NC
Highway 70 and NC Highway 581, west of the City of Goldsboro, NC. See Figures 1
and 2.
The property is currently owned by Mr. David Weil of HWB of North Carolina, LLC. We
understand that the property is proposed for development, however no specific site
plan has been proposed at this time. Current plans call for the existing ditch (which
crosses the northwest corner of the site) to be backfilled. A bypass pipe (designed by
others) is proposed for installation. We understand the pipe will be installed as part of
the development of the parcel immediately to the west of the site (the Sheetz Project).
This pipe will provide a hydraulic connection for flow from under NC Highway 581 to US
Highway 70 which the ditch currently provides.
In December 2002 a Preliminary Stormwater Study was prepared by Soil &
Environmental Consultants, PA (S &EC) for the overall property owned by Mr. Weil which
consists of approximately 3.4 acres. This study described a conceptual stormwater
design which included the construction of an extended detention stormwater wetland
to provide stormwater treatment on site. This study was required as part of a buffer
variance process (associated with a NC Division of Water Quality 401 Certification for
stream and buffer impacts) and to comply with the Neuse Basin Nutrient Removal
Strategy.
The conceptual design described in limited detail the preliminary sizing of the wetland,
described its basic function and overall design intent, and provided preliminary nitrogen
export rate calculations along with various planning recommendations. It was
understood at that time that a final Stormwater Management Plan and engineered
design (based on the final development plan) would eventually need to be prepared and
submitted to the North Carolina Department of Environment and Natural Resources
(NCDENR) Division of Water Quality (DWQ) for approval before the proposed impacts
could take place. Based on the project location this Stormwater Management Plan will
also be submitted for review by the local authorities (the City of Goldsboro, NC).
At the present time only a portion of the overall property site is currently proposed for
construction of the Sheetz project (approximately 2.35 acres). The remainder of the
property to which this report applies will remain in its current condition for the
foreseeable future. Mr. Kevin Martin, LSS of S &EC previously discussed this phased
approach to development with Ms. Cindy Karoly of DWQ and she indicated that it was
acceptable to move forward in this manner.
1

The final Stormwater Management Plan for the Sheetz Project will be submitted to
DWQ for review under a separate cover as previously agreed upon with DWQ. This
report and the attached design documents are specific to the remaining portion of the
overall property only (approximately 1.63 acres) and should be reviewed accordingly.
We understand that once a detailed site plan is prepared for this portion of the property
a final Stormwater Management Plan will need to be prepared and submitted to DWQ
for review and approval.
Stormwater Treatment & Peak Discharge Attenuation
As agreed upon by DWQ the September 2007 NCDENR -DWQ Best Management
Practices (BMP) Stormwater Manual was used for the development of the stormwater
wetland design requirements (see copies of Emails dated June 8, 2011 and May 4, 2012
in Appendix A). Treatment of stormwater runoff for the project including the removal of
Total Suspended Solids (TSS) and Total Nitrogen (TN) is required by the Division of
Water Quality (DWQ) as part of the project's permitting requirements. Stormwater
treatment, as well as post - development peak discharge attenuation is required by the
City of Goldsboro, NC.
A single extended detention stormwater wetland is proposed to provide treatment of
stormwater including the removal of TSS and TN from site stormwater runoff. The
wetland will also serve to meet the City's requirement that the post - development peak
discharge from the site for the 1 -Year 24 -Hour storm does not exceed the pre -
development peak discharge. The City will not be reviewing this preliminary report but
will review the final Stormwater Management Plan at such time as site development is
proposed.
Total Suspended Solids (TSS) and Total Nitrogen (TN) Removal Efficiency
Based the I stormwater al _J t designed on he orvlr manual a wetland, iI designed properly, Has a 133
removal efficiency of 85 percent. According to the BMP manual a stormwater wetland
will also contribute significantly to the removal of TN from stormwater inflow. The
manual cites stormwater wetlands with a removal efficiency of 40 percent for TN if
designed and maintained properly. Additionally, while not required for evaluation
stormwater wetlands are cited with removal efficiencies of 40 percent for Total
Phosphorus (TP).
Preliminary Stormwater Wetland Planning & Design
Preliminary calculations for the sizing of the proposed stormwater wetland for the BMP
were performed by S &EC. Preliminary stormwater design calculations and supporting
documentation are included in Appendix B. Because no specific site plan has been
prepared for the property certain assumptions were made regarding future
development. These included the general assumption that the site would be developed
2

with a similar land usage to the adjacent Sheetz Project. In this case we assumed a site
impervious percentage of 70 percent, which we deem reasonable based on the
expected development, and in our opinion is suitable for preliminary design purposes.
The drainage area shown for the BMP was delineated based on similar understanding of
a likely stormwater collection /conveyance network and proposed final grading
associated with the site development plan. We have assumed that in -situ soil
characteristics will be similar to those observed on the adjacent property. The
evaluation of both the existing and proposed site conditions land usage /cover and
associated impervious percentages was based on aerial photographs, site survey data,
the proposed site plan for the Sheetz Project (by others), our site observations, and
experience on similar projects.
Design of the stormwater wetland included but was not limited to the calculation of the
wetland treatment volume and the temporary water quality pool depth, wetland zone
distributions, overflow spillway weir sizing, and preliminary recommendation of wetland
plant species (per the current BMP Manual). An overflow weir (riser /barrel structure)
was designed to safely pass the 10 -year event (in accordance with guidance received
from the City of Goldsboro) by routing this event through the spillway system (see the
attached calculations). A preliminary wetland design sketch is provided in Figure 4. This
sketch shows the general location, footprint and spillway system for the proposed
stormwater wetland. The exact location and dimensions of the wetland may change
during final design. Representative photos of the recommended wetland plant species
are provided in Appendix C.
Based on our previous discussions with DWQ, we understand that once treated for TSS
and nutrient removal, discharge from a stormwater wetland can be discharged directly
into the receiving watercourse. In this project the proposed BMP will be designed to
discharge directly into the proposed 60 -inch reinforced concrete pipe (at Junction Box 2)
proposed for installation along the alignment shown on the proposed site plan shown
on Figure 4.
Nitrogen Export Calculations
We estimated Nitrogen Export rates associated with the existing site conditions and
proposed development using methods outlined in the Neuse River Basin: Model
Stormwater Program for Nitrogen Control guidelines. For the purposes of our
calculations we considered the drainage area contributing to the stormwater wetland at
approximately 1.63 acres. For comparison purposes we evaluated both the existing site
conditions and the proposed site conditions when calculating nitrogen export. Our
evaluation revealed a nitrogen export coefficient of 13.01 pounds per acre per year
(Ibs. /ac. /yr.) for the site in its existing condition. This relatively high export rate is
primarily due to the high imperviousness of the site in its current condition. Our
evaluation revealed a pre - treatment nitrogen export rate of 15.20 Ibs. /ac. /yr. for the
proposed development and a post- treatment export rate of 9.12 Ibs. /ac. /yr. considering
3

a 40 percent removal efficiency. Preliminary nitrogen export calculations are provided in
Appendix D.
As described in the cited program literature, for commercial and residential
development, the rules require that nitrogen export of 3.6 lbs. /ac. /yr. or less be
achieved. In this case since the post- treatment export rate is less than 10.0 lbs. /ac. /yr.
and we anticipate that there will be no space available on site for supplemental BMP's
to further reduce the TN export. As such we anticipate that the Owner will elect to pay
a one -time offset payment (to the NC Ecosystem Enhancement Program, NCEEP) of
$20.29/lb. (NCEEP Fee Schedule dated June 2012) to bring the nitrogen down to a rate
of 3.6 lbs. /ac. /yr. For planning purposes we have estimated the offset payment at 1.63
acres times 5.52 Ibs /ac /yr (9.12 -3.60) times $20.29/lb. times 30 years or $5,476.84.
This value will likely change during final design and will vary depending on offset
payment rates at the time the project goes to final design.
NOTE: Based on our discussions with the City of Goldsboro we understand that
the City does allow the pre - development (existing) site condition to be considered
on redevelopment projects such as this when calculating nitrogen offset fees. In
such cases we understand that the fee may be waived if the post - development
(post - treatment) export rate is calculated to be at or below the pre- development
export rate. In the case of this project the post - development (with stormwater
treatment) export rate is 9.12 lbs. /ac./yr. which is below the calculated pre -
development (existing conditions) export rate of 13.01 Ibs. /ac./yr. As such the
City of Goldsboro would not ordinarily require an offset payment be made to
NCEEP to buy down to an export rate of 3.6 lb. /ac./yr. We ask that NCDENR-
DWQ give consideration to waiving the offset payment if similar circumstances
exist at the time of final design.
BMP Inspection & Maintenance
A permanent maintenance access easement will be proposed and recorded following
site construction to allow access to the stormwater wetland including the forebay (for
sediment removal and disposal). We understand this easement will need to be
accessible from the access road between this property and the adjacent Sheetz property
(to the west) which has public access to Highway 70. A draft Inspection and
Maintenance Agreement (uses the available on -line agreement standard) for the
proposed stormwater wetland is provided in Appendix E.
Limitations
Our analyses, evaluations, conclusions, and recommendations are preliminary and are
based on project and site information available to us at the time of this report and may
require modification once a final site plan is prepared, existing site conditions change, or
if additional data about the project or site becomes available in the future. This report
4

is intended for use by our client HWB of North Carolina, LLC on this project. These
findings are not intended or recommended to be suitable for reuse on extensions of the
project or on any other project. Reuse on extensions of this project or on any other
project shall be done only after written verification or adaptation by SOIL &
ENVIRONMENTAL CONSULTANTS, PA, for the specific purpose intended. Additionally,
decisions regarding any outstanding permit issues or policies issued by governing
regulatory agencies are beyond our control, and as such modifications to our evaluation,
conclusions, and /or recommendations may be necessary.
-' 5

FIGURES

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NC 11010 Raven Ridge Rd.- Raleigh, NC 27614
1" = 2,000' (919) 846 -3900 - (919) 846 -9467 �
Web Page: www.SandEC.com
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11/0812012 Soil Survey Sheet 13

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'OSED 60 -INCH
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PKS ;
2010 Aerial from NCOnelVlap.com Soil & Environmental Consultants, PA
Scale: 11010 Raven Ridge Rd.- Raleigh, NC 27614
1" = 50' PRELIMINARY (919) 846 -5900 ■ [phone]
NOT FOR CONSTRUCTION Web Page: www,SandEC.com
12/03/2012
Stormwater Wetland
Zone Distribution
TOP OF EX15TING
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Project Mgr.: Wayne County, NC
PKS ;
2010 Aerial from NCOnelVlap.com Soil & Environmental Consultants, PA
Scale: 11010 Raven Ridge Rd.- Raleigh, NC 27614
1" = 50' PRELIMINARY (919) 846 -5900 ■ [phone]
NOT FOR CONSTRUCTION Web Page: www,SandEC.com
12/03/2012

Appendix A
Email Correspondence

Patrick Smith
From: Kevin Martin
Sent: Wednesday, June 08, 2011 9:35 AM
To: Patrick Smith
Subject: FW: Constructed wetlands chapter of the BMP manual
Attachments: Ch09 - Wetlands.pdf
Patrick, looks like this will be the design criteria for the Goldsboro site, when you get time compare it to what you used in
the past (2003 and 200^) and let me know if you think it will make a big difference. Thanks Kevin
From: Chapman, Amy [ mai Ito: [e-mail]
Sent: Wed 6/8/20118:27 AM
To: Kevin Martin
Cc: Karoly, Cyndi; Higgins, Karen
Subject: Constructed wetlands chapter of the BMP manual
Morning Kevin.
Attached is the 2007 version of the constructed wetlands chapter of the BMP manual you requested.
There is no 2008 version. The next version is 2009.
Please let me know if you need anything else.
-Amy
Amy Chapman
Wetlands, Buffers, Stormwater, Compliance and Permitting Unit (WeBSCaPe)
NCDENR/Division of Water Quality - Wetlands and Stormwater Branch
1650 Mail Service Center
Raleigh, NC 27699 -1650
Office: (919) 807 -6400
Fax: [phone]
Website: httv:/ /Dortal.ncdenr.orp-/web /wci/s" /ws /401 /riDarianbuffers
E -mail: amy.chapman ancdenr.g_ov
E -mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.

Patrick Smith
From:
Kevin Martin
Sent:
Friday, May 04, 2012 8:13 AM
To:
Patrick Smith
Subject:
RE: Highway 581/70 Stormwater Design
i got DWQ to confirm that the design criteria for the wetalnd should be that which was in place when the second 401 was
issued (2/13/2008) and that they would have to review the plan. They also said we could phase the design and installation
of the BMP's. so we can do a detailed design for sheets now and show only a conceptual design for a fast food joint
similar to what we did for the initial variance. I wall ask the enaineer for the DA info but we may have to fiaure it. Kevin

Appendix B
Supporting Stormwater
Calculations

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Appendix C
Preliminary Wetland Plant Selection

Nyssa bifiora— Blackgum /Swamp Tupelo
Viburnum prunifolium — Blackhaw Viburnum

Aronia arbutifolia — Red Chokecherry
Clethro alnifolia — Sweet Pepperbush

Magnolia virginiana — Sweetbay Magnolia
Sambucus canadensis -- Elderberry

Carex spp. — Sedges
Hibiscus moscheutos — Rose Mallow

Hymenocallis eulae — Spider Lily
Eupatorium fistulosum — Joe -pye Weed

Lobelia siphilitica — Blue lobelia
Iris versicolor— Blue Flag Iris

Saururus cernuus — Lizard's Tail
Pontederia cordato — Pickerelweed

Sagittaria latifofio — Arrowhead
luncus effusus — Softrush

Nuphar lutea ° Spatterdock, Yellow Pond -lily

Appendix D
nary Nitrogen Export
Calculations

Adjacent Parcel PRELIMINARY Nitrogen Export Calculations
Project No.: 7325.02
Nitrogen Export Rate Calculations:
EXI5TING CONDITIONS
Based on Existing Site Uses
Method 2
Quantifying TN Export from Residential / Industrial / Commercial Developments
when Footprint of all Impervious Surfaces are shown
calculation Steps:
5tep / Determine area for each type of land use and enter In in Column (2).
5tep 2 Total the areas for each type of land use and enter at the bottom of Column (2).
Step 3 Multiply the areas In Column (2) by the TN export coefficients In Column (3) and enter In Column (4).
Step 4 Total the TN exports for each type of land use and enter at the bottom of Column (4).
Step 5 Determine the export coefficient by dlvwdlnq the total TN export from uses at the
bottom of Column (4) by the total area at the bottom of Column (2).
(1)
(2)
(3)
(4)
Type of
Area
TN Export
TN Export
Land Cover
(acres)
Coeff.
from Use
Permanently Protected Managed
Open 5pace (grass, landscaping, etc.)
0.49
1 1.20
1 0.59
Peranently Protected Undisturbed
C 00
0. GC
0.00
Open Space (forest, unmown meadow)
(Disregard Limited Site Buffers as Perm. Protect, Undisturbed Open Space)
21.20
24.23
TOTAL I.G3 24.82
Permanently Protected Managed
O.G7
1.20
0.80
Open 5pace (gra55, land5capmq, etc.)
Impervious Surfaces (roads, parkmq,
0.9G
21.20
20.44
lots, dnveway5, roofs, paved storage
areas, etc.) t
I
t
TOTAL I.G3 21.24
Total Nitrogen Export Coefficient = 1 13.01 lbs. /ac. /yr.
NOTE: If TN export rate is greater than 10.0 Ibs. /ac. /yr. then a BMP must be installed
to remove enough Nltrogen to brinq the TN export rate below 3.G Ibs. /ac./yr.
Nitrogen Export Rate Calculations:
UtrGzmg similar Calculation Steps.,
PPOP05ED C011DITION5
Based on Proposed Site Uses
(1)
Type of
Land Cover
(2)
Area
(acres)
(3)
TN Export
Coeff.
(lbs./ac./ r.)
(4)
TN Export
from Use
(Ibs. /vr.)
Peranently Protected Undisturbed
Open 5pace (forest, unmown meadow)
0.00
O.GO
0.00
(Assume No Farm. Protect. undisturbed Open 5pace)
Permanently Protected Managed
Open 5pace (grass, landscaping, etc.)
0.49
1 1.20
1 0.59
(Assume All Non- imperv. Areas to be Managed Open Space)
Impervious surfaces (roads, parklnq,
lots, driveways, roofs, paved storage
areas, etc.)
I . 14
21.20
24.23
TOTAL I.G3 24.82
Total Nitrogen Export Coefficient = 1 15.20 ,Ibs. /ac. /yr.
>,dJ —t Parcrl Storm::,ater W.tua d
Gold >bo — IIC I of 2 Pr erect Ilo 7325.D2

NOTE: If TN export rate Is greater than 10.0 lbs. /ac./yr. then a BMP must be Installed
to remove enough Nitrogen to brinq the TN export rate below 3.6 lbs. /ac. /yr.
Nitrogen Export Rate Evaluation:
If the computed TN export rate for the past- development site Is qreater than 10.0 lbs. /ac. /yr. then the Owner must use on -site BMP's to brmq
the development's export down to 10 lbs. /ac. /yr. Then the Owner may utilize one of the follownq options;
1.) 5upplemental 5Iv1P'5 to reduce the TN export rate down to 3.6 lbs. /ac. /yr.
2.) Pay a one -time offset payment of $330 /Ib. to brmq the rate down to 3.6 lbs. /ac. /yr.
3.) Do a combination of BMP's and offset payment to brmq the rate down to 3.6 lbs. /ac./yr,
Consider that proposed 5tormwater Wetland removes 40 percent of the Total Nitrogen (TN) from the runoff then the resultmg
TN Ecport Coefficient will be:
Pre - treatment Export
Removal Efhcaency
Post- treatment Ex ort
15.20
40
9.12
Ibs./ac./ r.
Percent
Ibs./acJyr.
Adj-1 Parcel 5tornn: ate,'& tland
Goldsboro. IIC 2 of 2 P,o 1 Ilo. ;325.D2

Appendix E
Draft Stolgmwater Wet :and operation
& Maintenance Agreement

Permit Number:
(to be provided by DWQ)
Drainage Area Number:
Stormwater Wetland Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a
known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or
replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and
the removal efficiency of the BMP.
Important maintenance procedures:
— Immediately following construction of the stormwater wetland, bi- weekly inspections will be
conducted and wetland plants will be watered bi- weekly until vegetation becomes established
(commonly six weeks).
— No portion of the stor*_rwater wetland will be fertili��ed .tier �he first initial ferti' ;-- atior. chat is
required to establish the wetland plants.
— Stable groundcover will be maintained in the drainage area to reduce the sediment load to the
wetland.
— Once a year, a darn safety expert should inspect the embankment.
After the stormwater wetland is established,1 wi?1 inspect it monthly and within 24 hours after every
storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and
maintenance will be kept in a known set location and will be available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall be repaired
immediately.
BMP elements
Potential robiew
How I will, remediate tlhe. !0Aem::
Entire BMP
Trash/ debris is present.
Remove the trash/ debris.
Perimeter of wetland
Areas of bare soil and /or erosive
Regrade the soil if necessary to remove the
gullies have formed.
gully, and then plant a ground cover and
water until it is established. Provide lime
and a one -time fertilizer application.
Vegetation is too short or too long.
Maintain vegetation at an appropriate
height.
Inlet device: pipe or
The pipe is clogged (if applicable).
Unclog the pipe. Dispose of the sediment
swale
offsite.
The pipe is cracked or otherwise
Replace the pipe.
damaged if applicable).
Erosion is occurring in the swale (if
Regrade the swale if necessary to smooth
applicable).
it over and provide erosion control
devices such as reinforced turf matting or
riprap to avoid future problems with
erosion.
t —� cT
L, o ,1 Zri--u D
Form SW401- Wetland O &M -Rev.4 Page 1 of 3

Permit Number:
(to be provided by DWQ)
BMP element:
Potential problem:
How I will remediate the problenr.
Forebay
Sediment has accumulated in the
Search for the source of the sediment and
forebay to a depth that inhibits the
remedy the problem if possible. Remove
forebay from functioning well.
the sediment and dispose of it in a location
where it will not cause impacts to streams
or the BMP.
Erosion has occurred.
Provide additional erosion protection such
as reinforced turf matting or riprap if
needed to prevent future erosion
problems.
Weeds are present.
Remove the weeds, preferably by hand. If
a pesticide is used, wipe it on the plants
rather than spraying.
Deep pool, shallow water
Algal growth covers over 50% of the
Consult a professional to remove and
and shallow land areas
deep pool and shallow water areas.
control the algal growth.
Cattails, phragmites or other invasive
Remove invasives by physical removal or
plants cover 50% of the deep pool and
by wiping them with pesticide (do not
shallow water areas.
spray) - consult a professional.
Shallow land remains flooded more
Unclog the outlet device immediately.
than 5 days after a storm event.
Plants are dead, diseased or dying.
Determine the source of the problem:
soils, hydrology, disease, etc. Remedy the
problem and replace plants. Provide a
one -time fertilizer application to establish
the ground cover if necessary.
Best professional practices show that
Prune according to best professional
pruning is needed to maintain optimal
practices.
plant health.
Sediment has accumulated and
Search for the source of the sediment and
reduced the depth to 75% of the
remedy the problem if possible. Remove
original design depth of the deep
the sediment and dispose of it in a location
pools.
where it will not cause impacts to streams
or the BMP.
Embankment
A tree has started to grow on the
Consult a dam safety specialist to remove
embankment.
the tree.
An annual inspection by appropriate
Make all needed repairs.
professional shows that the
embankment needs repair.
Evidence of muskrat or beaver activity
Consult a professional to remove muskrats
is present.
or beavers.
Micropool
Sediment has accumulated and
Search for the source of the sediment and
reduced the depth to 75% of the
remedy the problem if possible. Remove
original design depth.
the sediment and dispose of it in a location
where it will not cause impacts to streams
or the BMP.
Outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the
sediment off -site.
The outlet device is damaged
Repair or re lace the outlet device.
Receiving water
Erosion or other signs of damage have
Contact the NC Division of Water Quality
occurred at the outlet.
401 Oversight Unit at 919 - 733 -1786.
�)ED, J � i� C�
t
Form SW40 1 -Wetland O &M -Rev.4 Page 2 Of 3

Permit Number:
U U ` f'� !•' 1 (to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the performance of the
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior
to any changes to the system or responsible party.
Project name: Highway 70/581 Project, Goldsboro, NC
BMP drainage area number: No. 1
Print name:HWB of North Carolina, LLC (Attn: Mr. David Weil)
Title:PropertY Owner
Address:P.O. Box 2063, Goldsboro, NC 27533
Phone: [phone], Ext. 231
Signature:
Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been
sold and a resident of the subdivision has been named the president.
I, a Notary Public for the State of
County of , do hereby certify that
personally appeared before me this day of
, and acknowledge the due execution of the forgoing stormwater wetland
maintenance requirements. Witness my hand and official seal,
SEAL
My commission expires
ED) R '-- ' L"
Form SW401- Wetland O &M -Rev.4 Page 3 of 3