SW8000104_CURRENT PERMIT_20210908

.j
STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 _Q0010`I
DOC TYPE
CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2 0 2\ 0 g 0 8
YYYYMMDD

,ER
.ember 8, 2021
NORTH cAROUNA
EW4=ww,mlQUae1y
he Townhomes at Whitefall
Attn: Debbie Harden, Manager
301 S College Street, Suite 3500
Charlotte, NC 28202
Subject. Permit Renewal
!6 State Stormwater Management Permit No. SW8 0o0104
The Townhomes at Whitehall
ooslow County
Dear Ms. Harden:
Effective August 1, 2013 the State Stormwater program has been transferred from the Division of Water Quality
(DWQ) to the Division of Energy, Mineral and Land Resources (DEMLR). All previous references to DWQ will
remain in older stormwater permits issued prior to August 1, 2013 until they are modified Please note that this permit
will now reference DEMLR as the Division responsible for issuance of the permit
The Wilmington Regional Office received a complete 8 year Stormwater the subject project on September 2, 202 L The Division is here notiManagement Permit Renewal Application for
renewed on September 8, 2021, and shall be effective until April 12, 20 0 Foryour rrrerecords prmit lease find enclosed 000104 has a
times Ply nned, and
the permit and a copy of the renewal application. Please keep this permit on file at all
restates some of the previous terms ouprroovide you with re-issueded, and ettter uunderstand does noti opoyon of ew ur obligations
ternvs; it merely
ons under the permit
The renewal and reissuance of this stormwater permit does not imply that the site is currently in compliance with the
terms and conditions of this state stormwater permit The plans originally approved on April 12, 2000 and most
recently renewed on October 25, 2012, will remain in full force and effect in accordance with the regulations set forth
in Title 15A NCAC 2H.1000.
This permit is subject to the conditions and limitations as specified therein. Please pay special attention to the
conditions listed in this permit regarding the Operation and Maintenance of the BMP(s), recordation of deed
restrictions, Procedures for changes of ownership, transferring the permit, and renewing the permit Failure a transfer to establish
adequate system for operation and maintenance of the stormwater management system, to record d
permit, or to renew the permit, will result in future compliance problems. deed restrictions,
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an
adjudicatory b filing a written petition with the Office of Administrative H
Petition must conformh�n hearing
C}�� 150B f the North Carolina General Statutes, and must be ;fled with the OAH within
Hearings (OAH). The written
thirty (30) days of receipt of this permit you should contact the OAH with all questions regarding the filing fee (if a
filing fee is required) and/or the details of the filing process at 6714 Mail Service Center, Raleigh, NC 27699-6714, or
via telephone at 919-431-3000, or visit their website at www.NCOAH.com Unless such demands are made this permit
shall be final and binding.
If you have any questions, need additional copies of the permit or approved plans, please contact Ashley Smith in the
Wilmington Regional Office, at [phone] or [e-mail].
Sincerely,
C %a
��_ Brian Wrenn, Director
Division of Energy, Mineral and Land Resources
North Carolina Deparhnent ofErntronmrntal Quality I Division of Energy, p. IW and Land Reso�vres
QE }� SI2 North SaiCsbary Street 1 I6R Matl Serv[ce Center I Raleigh, Notth Carolina 27699-1612
919.707.9200

1,6
State Stormwater Permit No. SW8 000104
Page 2 of 2
Enclosures: Attachment C — Permitting History
Renewal Application Documents
DES/ams: \\\Stormwater\Pemrits & Pmjects\2000\000104 HD\2021 09 permit 000104
cc: Wilmington Regional Office Stormwater File
D'North E Q�� Carolina Department of Environmental Quality I Division of Energy, Mmeral and Land Resources
512 North Salisbury Street 1 1612 Mail Service Center I Raleigh. North Carolina 27699-1612
+r� / 919.707.9200

State Stormwater Management Systems
Permit No. SW8 permit#
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL AND LAND RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
The Townhomes at Whitehall, LLC
The Townhomes at Whitehall
Jacksonville, Onslow County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with the provisions of
15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater
management plans and specifications and other supporting data as attached and on file with and
approved by the Division of Energy, Mineral and Land Resources (the "Division" or "DEMLR") and
considered an enforceable part of this permit.
This permit shall be effective from the date of issuance until April 12, 2030 and shall be subject to the
following specified conditions and limitations:
I. DESIGN STANDARDS
1 This permit is effective only with respect to the nature and volume of stormwater described in
the application and other supporting data.
2. This stormwater system has been approved for the management of stormwater runoff as
described on page 2 of this permit, the Project Data Sheet The stormwater control has been
designed to handle the runoff from 81,762 square feet of impervious area.
3 Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit.
4. The tract will be limited to the amount of built -upon area indicated on page 2 of this permit, and
per approved plans.
Page 1 of 5

State Stormwater Management Systems
Permit No SW8 permit#
DIVISION OF WATER QUALITY
PROJECT DESIGN DATA SHEET
Project Name' The Townhomes at Whitehall
Permit Number: SW8 000104
Location: Onslow County
Applicant: Ronnie G. Kennedy Jr for Debbie Harden
Mailing Address: 301 S College St, Suite 3500
Charlotte, NC 28202
Application Date: September 2, 2021
Name of Receiving Stream/Index #: Northeast Creek / WOKO2 19-16-(0.5)
Classification of Water Body: "SC"
If Class SA, chloride sampling results n/a
Pond Depth, feet: 400
Permanent Pool Elevation, FMSL: 29.00
Total Impervious Surfaces, ft2.
81,762
Buildings, ft2:
28,918
Parking, ft2.
40,852
Sidewalks, ft2:
10,480
Other, ft2.
1,512
Offsite Area entering Pond, ft2: none, per Engineer
Required Surface Area, ft2: 5,831
Provided Surface Area, ft2: 6,000
Required Storage Volume, ft': 6,724
Provided Storage Volume, ft3: 7,930
Temporary Storage Elevation, FMSL: 30.19
Controlling Orifice1.00"cp pipe
II. SCHEDULE OF COMPLIANCE
1. The stormwater management system shall be constructed in it's entirety, vegetated and
operational for its intended use prior to the construction of any built -upon surface except
roads.
2. During construction, erosion shall be kept to a minimum and any eroded areas of the system
will be repaired immediately
Page 2 of 5

State Stormwater Management Systems
Permit No. SW8 permit#
3. The permittee shall at all times provide the operation and maintenance necessary to assure
the permitted stormwater system functions at the design condition. The approved Operation
and Maintenance Plan must be followed in its entirety and maintenance must occur at the
scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and revegetation of side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device and catch basins and
piping.
g. Access to the outlet structure must be available at all times.
4. Records of maintenance activities must be kept and made available upon request to
authorized personnel of DEMLR. The records will indicate the date, activity, name of person
performing the work and what actions were taken.
5. Decorative spray fountains will not be allowed in the stormwater treatment system, as the
permanent pool volume is less than 30,000 cubic feet
6. The facilities shall be constructed, operated and maintained in accordance with the provisions
of this permit, the approved plans and specifications, and the supporting documents attached
to this permit and on file with the Division.
7. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to
operation of this permitted facility, a certification must be received from an appropriate
designer for the system installed certifying that the permitted facility has been installed in
accordance with this permit, the approved plans and specifications, and other supporting
documentation. Any deviations from the approved plans and specifications must be noted on
the Certification. A modification may be required for those deviations.
8. If the stormwater system was used as an Erosion Control device, it must be restored to design
condition prior to operation as a stormwater treatment device, and prior to occupancy of the
facility
9. Prior to the sale of any portion of the property, an access/maintenance easement to the
stormwater facilities shall be granted in favor of the permittee if access to the stormwater
facilities will be restricted by the sale of any portion of the property.
10. The permittee is responsible for verifying that the proposed built -upon area does not exceed
the allowable built -upon area.
11. The runoff from all built -upon area on the protect must be directed into the permitted
stormwater control system.
12 The Director may notify the permittee when the permitted site does not meet one or more of
the minimum requirements of the permit. Within the time frame specified in the notice, the
permittee shall submit a written time schedule to the Director for modifying the site to meet
minimum requirements. The permittee shall provide copies of revised plans and certification in
writing to the Director that the changes have been made.
Page 3 of 5

State Stormwater Management Systems
Permit No. SW8 permit#
13. No person or entity, including the permittee, shall alter any component shown in the approved
plans and specifications. Prior to the construction of any modification to the approved plans,
the permittee shall submit to the Director, and shall have received approval for modified plans,
specifications, and calculations including, but not limited to, those listed below. For changes to
the project or SCM that impact the certifications, a new or updated certification(s), as
applicable, will be required and a copy must be submitted to the appropriate DEQ regional
office upon completion of the modification.
a. Any modification to the approved plans and specifications, regardless of size including
the SCM(s), BUA, details, etc.
b. Redesign or addition to the approved amount of BUA or to the drainage area.
C. Further development, subdivision, acquisition, lease or sale of any, all or part of the
project and/or property area as reported in the approved plans and specifications.
d. Altering, modifying, removing, relocating, redirecting, regrading, or resizing of any
component of the approved SCM(s), the stormwater collection system and/or
vegetative conveyance shown on the approved plan.
e The construction of any allocated future BUA.
f. Adding the option to use permeable pavement or #57 stone within the lots as a
permeable surface. The request may require a proposed amendment to the deed
restrictions and protective covenants for the subdivision to be submitted and recorded.
g. The construction of any permeable pavement, #57 stone area, public trails, or
landscaping material to be considered a permeable surface that were not included in
the approved plans and specifications.
h. Other modifications as determined by the Director.
14. Prior to transfer of the permit, a file review and site inspection will be conducted by Division
personnel to ensure the permit conditions have been met and that the project and the on -site
stormwater system complies with the permit conditions. Any items not in compliance must be
repaired, replaced restored, or resolved prior to the transfer. Records of maintenance activities
performed to date may be requested.
III. GENERAL CONDITIONS
1. Any individual or entity found to be in noncompliance with the provisions of a stormwater
management permit or the requirements of the stormwater rules is subject to enforcement
procedures as set forth in NCGS 143 Article 21
2. The issuance of this permit does not preclude the permittee from complying with and obtaining
any other permits or approvals that are required for this development to take place, as
required by any statutes, rules, regulations, or ordinances, which may be imposed by any
other Local, State or Federal government agency having jurisdiction. Any activities undertaken
at this site that cause a water quality violation or undertaken prior to receipt of the necessary
permits or approvals to do so are considered violations of NCGS 143-215.1, and subject to
enforcement procedures pursuant to NCGS 143-215.6.
3 If the facilities fail to perform satisfactorily, the permittee shall take immediate corrective
actions. This includes actions required by this Division and the stormwater rules such as the
construction of additional or replacement on -site stormwater systems. These additional or
replacement measures shall receive a permit from the Division prior to construction.
4. Permit Transfer: This permit is not transferable to any person or entity except after notice to
and approval by the Director. The permittee shall submit a completed and signed "Permit
Transfer Application Form" (available on the Division website) accompanied by the required
fee and supporting documentation as listed on the form, to the Division at least 60 days prior
to any one or more of the following events:
a. The sale or conveyance of the project area in whole or in part, except in the case of an
individual lot sale that is made subject to the recorded deed restrictions and protective
covenants;
b. Dissolution of the partnership, corporate, or LLC entity, subject to NCGS 55-14-05 or
NCGS 57D-6-07 and 08,
C. Bankruptcy;
d Foreclosure, subject to the requirements of Session Law 2013-121;
Page 4 of 5

State Stormwater Management Systems
Permit No SW8 permit#
5. Current Permittee Name or Address Changes: The permittee shall submit a completed
"Permit Information Update Application Form" (available on the Division website) to the
Division within 30 days to making any one or more of the following changes:
a. A name change of the current permittee;
b. A name change of the project;
C. A mailing address change of the permittee;
6. The permittee is responsible for compliance with all terms and conditions of this permit until
the Division approves the transfer request. Neither the sale of the project, in whole or in part,
nor the conveyance of common area to a third party constitutes an approved transfer of the
permit.
7. The permittee grants Division Staff permission to enter the property during normal business
hours to inspect all components of the permitted project.
8. The permit issued shall continue in force and effect until the permittee files a request with the
Division for a permit modification, transfer, renewal, or rescission; however, these actions do
not stay any permit conditions.
9. Approved plans, application documents, supplements, calculations, operation and
maintenance agreement, and specifications for this project are incorporated by reference and
are enforceable parts of the permit. A copy of this permit, application, supplements, operation
and maintenance agreement, and approved plans and specifications shall be maintained on
file by the permittee.
10 Unless specified elsewhere, permanent seeding requirements for the on -site stormwater
system must follow the guidelines established in the North Carolina Erosion and Sediment
Control Planning and Design Manual.
11 The issuance of this permit does not prohibit the Director from reopening and modifying the
permit, revoking and reissuing the permit, or terminating the permit for cause as allowed by the
laws, rules, and regulations contained in Title 15A NCAC 2H.1000 and NCGS 143-215.1 et.al.
12. A permit renewal request must be submitted at least 180 days prior to the expiration date of
this permit. The renewal request must include the appropriate application, documentation and
the processing fee as outlined in Title 15A NCAC 02H.1045(3).
Permit renewed, updated and reissued this the 8th day of September 2021
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
t. Brian Wrenn, Director
Division of Energy, Mineral and Land Resources
By Authority of the Environmental Management Commission
Page 5 of 5

Attachment C - Permitting History
The Townhomes at Whitehall
Permit No. SW8 000104
Approval
Date'
Permit
Action .'
BIMS
Version
Description of the Changes
4/12/2000
Original
Approval
1.0
4/5/2010
Renewal
1.1
Governor Session Law
extension 3 years
10/25/2012
Renewal
2.0
Governor Session Law
extension additional year
9/8/2021
Renewal
3.0

_1 _ __ . .:. _ _ _I DEMLK USE ONLY - _ .- --- _ - . . _
Date Re ei ed
Fee Paid
Permit Nu ber
1 D D 5cv =`
iu 0601 0
NC DEQ Division of Energy, Mineral and Land Resources
STATE STORMWATER:
PERMIT RENEWAL APPLICATION FORM SEP 01 YOp�
By.�—
In accordance with 15A NCAC 2H.1045(3), the current permit holder shall renew their high density permit 180 days
prior to its expiration. Renewed permits are valid for a period of 8 years per Session Law 2011,-398 (SB 781)
Section 60. (c). This application form is for permit renewals only.
A. PROJECT INFORMATION
1. State Stormwater Permit Number. SW8000104
2. Project name: The Townhomes at Whitehall
3. Project street address: III Whitehall Lane
City: J
28546
County:
4. What, if any, changes have been made to the project as permitted? NONE
ZIP :
If the project has changed from the original approved plans, please complete SWU-101 fora Major
Modification or Minor Modification Application form available at. https,//deg.nc.gov/about/divisions/energy-
m ineral-land-resou rces/energv-mineral-la nd-rules/stormwater-grog ram/post-construction.
B. PERMITTEE INFORMATION
If changes to the permittee or project name have been made, please complete either the Permit Update form
or the Permit Transfer form available at: https:/ideg.nc.gov/aboutdivisions/energv-mineral-land-
resources/energv-mineral-land-rules/stormwater-program/post-construction. State Stormwater Permits do not
automatically transfer with the sale of the property.
1. Current Permit Holder's Company Name/Organization: The Townhomes of Whitehall
2 Signing Official's Name: Ronnie G Kennnedy Jr
3. Signing Official's Title: Waste Met Specialist
4. Mailing Address: Suite 3500 301 S College St
City: Charlotte
5. Street Address:
City. State.
6. Phone. [phone] Email: agrimentservices(a)yahoo.com
NC ZIP: 28202-6025
ZIP:
Stormwater Permit Renewal Form Page 1 of 3 May 11, 2018

C. SUBMITTAL REQUIREMENTS
Submit the application package to the appropriate DEMLR Regional Office (Coastal, SA Waters) or DEMLR
Central Office (Urbanizing Areas Ph 2, USMP, Non -Coastal HQW/ORIM. Only applications packages that
include all required items listed below will be accepted and reviewed.
Initial each item below to indicate that the required information is provided in the application package:
1. A permit application processing fee of $505.00 payable to NCDEQ.
2. One original signed hard copy and one electronic copy of this completed form. The signing official
named on this application to represent the current permittee must meet one of the following:
a. Corporation — a principle executive officer of at least the level of vice-president;
b. Limited Liability Company (LLC) — a manager or company official as those terms are defined
in G.S. 57D "North Carolina Limited Liability Company Act;"
c. Public Entity — a principal executive officer, ranking official, or other duly authorized employee;
d. Partnership or limited partnership — the general partner,
e. Sole proprietor; or
f. Letter of authorization signed by one of the signatories noted in a — e above authorizing the
signature of another entity.
x 3. One hard copy and one electronic copy of recorded documents required by the original permit that have
not yet been received by DEMLR, including: deed restrictions, protective covenants,
condominium/planned community declaration and easements. If the project has been built, include
documentation that the maximum BUA per lot or maximum total BUA has not been exceeded. If
the project has not been built, include a signed agreement that the final recorded deed restrictions
and protective covenants will be submitted at a later date.
4. O&M Agreements, Please select one:
® I have a copy of the current recorded O&M Agreement for all SCMs, and I will continue to
keep this on file with the permit; or
❑ I do not have a copy of the current recorded O&M Agreement for all SCMs and am
requesting a copy be sent to me. I agree to keep this on file with the permit.
5. Designer Certifications, Please select one:
® A copy of the certification(s) confirming that the project was built in accordance with the
approved plans have been previously provided to the Division; or
❑ A copy of the certification(s) confirming that the project was built in accordance with the
approved plans are enclosed; or
❑ The project has not yet been built.
6 [IF APPLICABLE] If the project has been built, one original hard copy and one electronic copy.of a
signed, sealed, and dated letter from a licensed, professional stating that the SCMs have been
inspected, and that they have been built and maintained in accordance with the permit.
x 7. [IF APPLICABLE] When the permittee is a corporation or a limited liability corporation (LLC): Provide
one hard copy and one electronic copy of documentation from the NC Secretary of State, or other
official documentation, which supports the titles and positions held by the persons listed in Section
C.2 per 15A NCAC 2H. 1043(3)(b).
https://www.sosnc gov/online services/search/bv title/ Business Registration
SEP 0 2 2021
By
Stormwater Permit Renewal Application Form Page 2 of 3 May 11, 2018

D. PERMITTEE'S CERTIFICATION
; jam %+ s cal- 1)61( LCc- the person legally responsible for the permit, certify that I have
a copy of the Permit and O&M Agreement on site (or I will obtain a copy and it will be kept on site), that I am
responsible for the performance of the maintenance procedures, and the site has been and will be maintained
according to the O&M Agreement and approved plans. I agree to notify DEMLR of any problems with the SCMs
or built -upon area and to submit the proper forms to modify or transfer the permit prior to any changes to the
project, SCMs, or ownership. All information rovlde this it renewal application is, to the best of my
knowledge, correct p e m/� 7 1
Signature: Date
NOTARIZATION:
that )."o LLi�6W1T✓OL
dayl
execution of the forgoing instrument. Witness
of
hand and official seal,
a Notary Public for the State of
do hereby certify
personally appeared before me
20a4, and acknowledge the due
SEP 0 2 2021
Stormwater Permit Renewal Application Form Page 3 of 3 May 11, 2018

. \:.
t.
W

Permit No.
(to be provided by DWQ)
State of North Carolina
r, Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWO Stormwater ManaC ement Plan Review:
A complete stormwater management plan submittal includes an application form, a wet detention basin
supplement for each basin, design calculations, and plans and specifications showing all basin and outlet
structure details.
I. PROJECT INFORMATION
Project Name:
Contact Person:. i �. M� Asp rvy - Phone Number: (91O ) 3y 5 96e5o
For projects with multiple basins, specify which basin this worksheet applies to:
elevations
Basin Bottom Elevation 19!+, n ft.
Permanent Pool Elevation � 9.0 ft.
Temporary Pool Elevation 3o, tq ft.
areas -
Permanent Pool Surface Area Gam— sq. ft.
Drainage Area 3,241 ac.
Impervious Area 1, M5 ac.
(floor of the basin)
(elevation of the orifice)
(elevation of the discharge structure overflow)
(water surface area at the orifice elevation)
(on -site and off -site drainage to the basin)
(on -site and off -site drainage to the basin)
volumes
Permanent Pool Volume
/ 7, / 5 3 cu. ft.
(combined volume of main basin and forebay)
Temporary Pool Volume
TnEj cu. ft.
(volume. detained above the permanent pool)
Forebay Volume
cu. ft.
(approximately 20% of total volume)
Other parameters
SA/DAI
�7 / %
(surface area to drainage area ratio from DWQ table)
Diameter of Orifice
/'t in.
(2 to 5 day temporary pool draw -down required)
Design Rainfall
t in.
Design TSS Removal 2
%
(minimum 85% required)
Form SWU-102 Rev 3.99
Pagel of 4

• 1
Footriotes: f.
1 "'When using i
e Division SA/DA tables, the, correct SA/DA ratio for permanent pool sizing should be computed based upon the
..,
ous %and permanent pool depth. Linear interpolation should be employed to determine the correct value for non
-
entries. .. '
`a ??;: In the 20 cooastal counties, the requirement for a vegetative filter may be waived if the wet detention basin is designed to provide
90%TSS lemoJil. The NCDENR BMP manual provides design tables for both 8517b TSS removal and 90% TSS removal.
II. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit _
Application Form, the agent may initial below. If a requirement has not been met, attach justification.
Applicants Initials
T>j� a. The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet).
TJ/LA/ b. The forebay volume is approximately equal to 20% of the basin volume.
c. The temporary pool controls runoff from the design storm event.
d. The temporary pool draws down in 2 to 5 days.
e. If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow
calculations)
22 ZA=J f. The basin length to width ratio is greater than 3:1.
Z2& & / g. The basin side slopes above the permanent pool are no steeper than 3:1.
It. A submerged and vegetated perimeter shelf with a slope of 6:1 or less (show detail).
yT7//x/ i. Vegetative cover above the permanent pool elevation is specified.
7� ^// j. A trash rack or similar device is provided for both the overflow and orifice.
77//jl k. A recorded drainage easement is provided for each basin including access to nearest right-
of-way.
1. If the basin is used for sediment and erosion control during construction, clean out of the
basin is specified prior to use as a wet detention basin.
m. jp mechanism is specified which will drain the b in for maintenance or an emergency.
(10 PO LUILL NOT A-LLow - %vMp rz sc; o
M. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the
vegetated filter if one is provided.
This system (check one)
This system (check one)
Form SWU-102 Rev 3.99
0 does 0�d es not incorporate a vegetated filter at the outlet.
0 does does not incorporate pretreatment other than a forebay.
Page 2 of 4
C+''-,'1 ..I J:A:?w :i'i �ptf•J-(tolliih'/R'•�•i.+�ri.^^i'•M,.�.T^.

=� 'lMamtenance activities shall be performed as follows:
fi€,«. t�.,;�1°After:every significant runoff producing rainfall event and at least monthly:
tr ;. a.• .Inspect the wet detention basin system for sediment accumulation, erosion, [rash accumulation,
'vegetated cover, and general condition.
b. Check and clear the orifice of any obstructions stich that drawdown of the temporary pool occurs
within 2 to 5 days as designed.
2.: Repair eroded areas immediately, re -seed as necessary to maintain good vegetative cover, mow vegetative
. cover to maintain a maximum height of six inches, and remove trash as needed.
1. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to
maintain proper functioning.
4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is
reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed
of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality
(i.e. stockpiling near a wet detention basin or stream, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an accurate
depth reading and not readily penetrate into accumulated sediments.
When the permanent pool depth reads 3.75 feet in the main pond, the sediment shall be removed.
When the permanent pool depth reads Z,5_� feet in the forebay, the sediment shall be removed.
Sediment
Bottom
El.2r,47
-------------
on2KL
FOREBAY
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation 2c1 torte
Sediment Removal Elevation 26.2
Bottom Elevation
MAIN POND
75 % .
25 %
5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These
plants shall be encouraged to grow along the vegetated shelf and forebay berm.
6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment
through the emergency drain shall be minimized to the maximum extent practical.
Form SWU-102 Rev 3.99 Page 3 of 4
«.. ' � " 'r.; • ,'`l..�;,1� �.-".=c�ln+�2J'�S 'a r n. 5��$r4�..'�'iTi1S:Fa••'.Yi.', `"--

aintained in good working order.
All 'components of the wet detention basin system shall be m
wledgeyand agree by my signature below that I am responsible for the performance of the seven
iance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
> `to the system or responsible party.
V s/ Ar i i Is ► i
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.
a Notary Public for the State of
County of 05 66t-) do hereby certify that 1-tad LCleu lclo
personally appeared before me this day of CJI76,Zit'o , ,WOO, and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
SEAL
My commission expires
Form SWU-102 Rev 3.99
Page 4 of 4
x

F�eoton Apartments
Stormwater Permit No. SW8 000104
Onslow County
Designer's Certification
State Stormwater Management Systems
Permit No. SW8 000104
1, tau a /C /Vr�ysn�� as a duly registered �ROTc a✓H� 1 7y Nan in
the State of North Carolina, having been authorized to observe eriodicall /weekly/full time) the construction of
the project,
(Project)
for (Project Owner) hereby state that, to the best ofmy abilities, due care
and diligence was used in the observation of the project construction such that the construction was observed to be
built within substantial compliance and intent of the approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
AL - )w1[.C/N6 6- vo-r C� wF2, --- ✓f& of XATZ' 0)- THlS ftP�L%i'/GifY70AI Cf- -f-:5�
Signature
Registration Number /8/S443
Date -
SEAL
18148
A.
MAR 3 0 2D01
WILMINGTON REGIO LAN OFFICE
ri

�.J�
U i
J i

J
State Stormwater Management Systems
Permit No. S W8 000104
Certification Requirements:
;Bi2y1.
The drainage area to the system contains approximately the permitted acreage.
/-2/6-'V2.
The ainaQe area to the system contains no more than the permitted amount of built -upon area.
'4,
'54404�-' 1v07— 4 �/— T�,5 Time
/Q
All the built -upon area associated with the project is graded such that the runoff drains to the system.
p
The outlet/bypass structure elevations are per the approved plan.
7/4/!/5.
The outlet structure is located per the approved plans. .
T�.
Trash rack is provided on the outletibypass structure.
7�//,/O.
All slopes are grassed with permanent vegetation.
;2e,O.
Vegetated slopes are no steeper than 3:1.
Ij/C�9.
The inlets are located per the approved plans and do not cause short-circuiting of the system.
/c/!/ 10.
The permitted amounts of surface area and/or volume have been provided.
Required drawdown devices are correctly sized per the approved plans.
%D/G�.
All required design depths are provided.
7/64413.
All required parts of the system are provided, such as a vegetated shelf, and a
forebay.
DXW4. The overall dimensions of the system, as shown on the approved plans, are provided.
cc: NCDENR-DWQ Regional Office
Corann Harper, Onslow County Building Inspector
E C E 0 U
MAR 3 0 2001
WILMINGTON REGIONAL OFFICE

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