SW8020212_CURRENT PERMIT_20020709

STORMWATER DIVISION CODING SHEET
POST —CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
� CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
—leg
YYYYMMDD

I
WA6i TF9Q
r
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
July 9, 2002
Alan W. Klimek, P.E., Director
Division of Water Quality
Wilmington Regional Office
Mr. Kira: Andrews, Partner
Azalea Trace, LLC
315 Friday Drive
Wilmington, NC 28411
Subject: Permit No. SW8 020212
Azalea Trace -
High Density Subdivision Stormwater Project
New Hanover County _
Dear Mr. Andrews:
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for Azalea Trace on June 27, 2002. Staff review of the plans and specifications has
determined that the project, as proposed, will comply with the-Stormwater Regulations set forth
in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8 020212, dated July 9, 2002,
for the construction of the project, Azalea Trace.
This permit shall be effective from the date of issuance until July 9, 2012, and shall be subject to
the conditions and limitations as specified therein. Please pay special attention to the Operation
and Maintenance requirements in this permit. Failure to establish an'adequate system for
operation and maintenance of the stormwater management system will result in future
compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following
receipt of this permit. This request must be in the form of a written petition, conforming to
Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative
Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this
permit shall be final and binding.
If you have any questions, or need additional information concerning this matter, please contact
Linda Lewis, or me at [phone]. .
RSS/:arl
cc:
Sincerely,
Rick Shiver'
Water Quality Regional Supervisor
S:\WQS\STORMWATTERMIT1020212.JUL
Pat Snoddy, Stroud Engineering
Tony Roberts, New Hanover County Inspections
Beth E. Wetherill, New Hanover County Engineering
Linda Lewis
Wilmington Regional Office
Central Files
N.C. Division of Water Quality 127 Cardinal Drive Extension Wilmington, N.C. 28405 [phone] Fax [phone]
67A
'NMENR
Customer Service
800-623-7748

State Stormwater Management Systems
Permit No. SW8 020212
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
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
Azalea Trace, LLC
Azalea Trace
New Hanover 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 Water Quality and considered a part of this
permit.
This permit shall be effective from the date of issuance until July 9, 2012 and shall be subject to
the following specified conditions and limitations:
1. DESIGN STAiJDARDS .
l . 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 3 of this permit, the Project Data Sheet. The subdivision is permitted
for 62 lots, each allowed a maximum of 3,500 ft2 of built -upon area. The I 1
condominium buildings are each allowed a maximum of 3,738 ft2 of built -upon area.
3. Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit.
4. All stormwater collection and treatment systems must be located in either dedicated
common areas or recorded easements. The final plats forAlie.project will be recorded
showing.all such required easements, in accordance with thi _ . proved plans.
2

State Stormwater Management Systems
Permit No. SW8 020212
Project Name:
Permit Number:
Location:
Applicant:
Mailing Address:
DIVISION OF WATER QUALITY
PROJECT DATA SHEET
Azalea Trace
SW8 020212
New Hanover County
Mr. Kirk Andrews, Partner
Azalea Trace, LLC
315 Friday Drive
Wilmington, -NC 28411
Application Date:
June 27, 2002
Name of Receiving Stream / Index 4:
Smith Creek / 18-74-63
Classification of Water Body:
"C Sw"
Design Storm:
1 inch ,
Pond Depth, feet:
7.0
Permanent Pool Elevation, FMSL:
25
Drainage Area, acres:
20.70
Total Impervious Surfaces, ft2:
455,253
62 lots at 3,500 ftz:
217,000
11 condominiums @3,738 ftz:
41,118
Roads/Parking, ftz
169,036
Sidewalk, ftz:
26,838
Pool, W
1,261
Offsite Area entering Pond, ft2:
None, per Engineer
Required Surface Area, ftz:
17,352
Provided Surface Area, ft2:
17,389°
Required Storage Volume, ft3:
37,901
Provided Storage Volume, ft':
38,087
Temporary Storage Elevation, FMSL:
26.9
Controlling Orifice:
2.5" cp pipe
3

State Stormwater Management Systems
Permit No. SW8 020212
11. SCHEDULE OF COMPLIANCE
No homeowner/lot owner/developer shall fill in, alter, or pipe any drainage feature (such
as swales) shown on the approved plans as part of the storm -water management system
without submitting a revision to the permit and receiving approval from the Division.
2. The permittee is responsible for verifying that the proposed built -upon area for the entire
project, condos and single family lots, including driveways and sidewalks, does not
exceed the allowable built -upon area. Once the lot transfer is complete, the built -upon
area may not be revised without approval from the Division of Water Quality, and
responsibility for meeting the built -upon area limit is transferred to the individual
property owner.
3. If an Architectural Review Committee (ARC) is required to review plans for compliance
with the BUA limit, the plans reviewed must include all proposed built -upon area. Any
approvals given by the ARC do not relieve the homeowner of the responsibility to
maintain compliance with the permitted BUA limit, as indicated in the recorded deed
restrictions and covenants.
4. The permittee shall submit to the Director and shall have received approval for revised
plans, specifications, and calculations prior to construction, for an), modification to the
approved plans, including, but not limited to, those listed below:
a. Any revision to the approved plans, regardless of size.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amourit'bf built -upon area.
e. Further subdivision, acquisition, or sale of the project area. The project area is
defined as all property owned by the permittee, for which Sedimentation and
Erosion Control Plan approval was sought. � .
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved
plan.
The Director may determine that other revisions to the project should require a
modification to the permit.
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.
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.
During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately.
9. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and
prior to operation of this permitted facility, a certifidation'.must•. be received from an
appropriate designer for the system installed certifying th'at'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.
10. Decorative spray fountains will not be allowed in the stormwater treatment system.
Il

State Stormwater Management Systems
Permit No. SW8 020212
11. The permittee shall at all times provide the operation and maintenance necessary to assure
the permitted stormwater system functions at optimum efficiency. 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.
C. 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. t
g. Access to the outlet structure must be available at all times.
12. Records of maintenance activities must be kept and made available upon request to
authorized personnel of-DWQ. The records will iridicate..the' date, activity, name'of
person performing the work and what actions were taken.-
13. Prior to the sale of any lot, deed restrictions must be recorded which limit the built -upon
area per lot to the amount as shown on the Project Data Sheet, per Section I, Part 2. The
recorded statements must follow the form:
a. The following covenants are intended to ensure ongoing compliance with State
Stormwater Management Permit Number SW8 020212, as issued by the Division
of Water Quality under NCAC 2H.1000.
b. The State of North Carolina is made a beneficiary of these covenants to the extent
necessary'to maintain compliance with the Stormwater Management Permit.
C. These covenants are to run with the land and be binding on all persons and parties
claiming under them.
d. The covenants pertaining to stormwater may not- be altered or rescinded without
the express written consent of the State ofNorth-Carolina, Division of Water
Quality.
e. Alteration of the drainage as shown on the approved plans may not take place
without the concurrence of the Division of Wdter-,Quality.
f. The maximum built -upon area per lot is 3,500'ftz square feet. This allotted amount
includes any built -upon area constructed within the, lot property boundaries, and
that portion of the right-of-way between the front, lot line and the edge of the
pavement. Built upon area includes, but is not limited to, structures, asphalt,
concrete, gravel, brick, stone, slate, coquina and parking areas, but does not
include raised, open wood decking, or the water surface of swimming pools.
g. All runoff on the lot must drain into the permitted system. This may be
accomplished through any or all of the following: providing roof drain gutters
which drain to the street; grading the lot to drain toward the street; or grading
perimeter swales and directing them into the pond or street. Lots that naturally
drain into the..system are not required to provide these additional measures.
14. 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.
5

State Stormwater Management Systems
Permit No. SWS 020212
15. Permanent seeding requirements for the stormwater control must be appropriate for the
type of stormwater system proposed and must follow the guidelines established in the
North Carolina Erosion and Sediment Control Planning and Design Manual.
16. Prior to transfer of the permit, the pond must be inspected -by DWQ personnel, and
determined to be in compliance with all permit conditions. Any items not in compliance
must be repaired or replaced to design condition prior to the transfer. Records of
maintenance activities performed to date will be required-.-'
17. A copy of the recorded deed restrictions must be submitted to the Division within 30 days.
of the date of recording the plat, and prior to selling lots. The recorded copy must bear the
signature of the Permittee, the deed book number and page, and stamp/signature of the
Register of Deeds.
18. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other supporting
data.
19. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick,
stone, slate, coquina and parking areas, but does not include raised, open wood decking,
or the water surface of swimming pools.
11I. GENERAL CONDITIONS
This permit is not transferable except after notice to'ai.Yd approval by the Director. In the
event there is a desire for the facilities to change ownership, or there is a name change of
the Permittee, a "Name/Ownership Change Form" must.be submitted to the Division of
Water Quality accompanied by appropriate documentatioh`from the parties involved,
including as may be required, but not limited to, a deed'of trust, recorded deed
restrictions, Designer's Certification and a signed Operation and Maintenance plan. The
project must be in good standing with DWQ. The approval of this request will be
considered on its merits and may or may not be approved.
?, The permittee is required to comply with all the terms and conditions of this permit until
such time as the Division approves the change of ownership.
3. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to enforcement action by the Division of Water Quality, in accordance with
North Carolina General Statute 143-2I5.6A to 143-215.6C.
4. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those
as may be required by this Division, such as the construction of additional or replacement
stormwater management systems. ;
The permit may be modified, revoked and reissued dr teriniriated for cause. The filing of
a request for a permit modification, revocation and reis,su"ance or termination does not
stay any permit condition.
Permittee grants permission to staff of the DWQ to access the property for the purposes
of inspecting the stormwater facilities during normal business hours.
31

State Stormwater Management Systems
Permit No. SW8 020212
8. The permittee shall notify the Division of any name, ownership or mailing address
changes within 30 days.
9. A copy of the aplJroved plans and specifications shall be maintained on file by the
Permittee for a minimum of ten years from the date of the completion of construction.
Permit issued this the 9th day of July, 2002.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
C
Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of.the Enviroiunental Management Commission
Permit Number SW8 020212
7

State Stormwater Management Systems
Permit No. SWS 020212
Azalea Trace Page 1 of 2
Stormwater Permit No. SW8 020212
New Hanover County
Designer's Certification
1, , as a duly registered in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the
construction of the project,
- . -- (Project)
for (Project Owner) hereby state that, to the best of
my 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 are a part of this Certification
Noted deviations from approved plans and specifications:
SEAL
S i o nature
Registration Number
Date

State Stormwater Management Systems
Permit No. SW8 020212
Certification Requirements:
Page 2 of 2
1. The drainage area to the system contains approximate]), the permitted acreage.
2. The drainage area to the system contains no more than the permitted amount of
built -upon area.
3. All the built -upon area associated with the project'is graded such that the runoff
drains to the system.
4. The outlet/bypass structure elevations are per the approved plan.
5. The outlet structure is located per the approved plans.
6. Trash rack is provided on the outletibypass structure.
7. All slopes are grassed with permanent vegetation.
_8. Vegetated slopes are no steeper than 3:1.
9. The inlets are located per the approved plans and do not cause short-circuiting of
the system.
-10. The permitted amounts of surface area and/or volume have been provided.
_11. Required drawdown devices are correctly sized per the approved plans.
12. All required design depths are provided.
13. All required parts of the system are provided, such as a vegetated shelf, a forebay,
and the vegetated filter.
_14. The overall dimensions of the system, as shown on the approved plans, are
provided.
cc: NCDENR-DWQ Regional Office
Tony Roberts, New Hanover County Building Inspections

I,IC.I.;:t.J.`I:.CJI\1I k
a _ Date Received Fee 1'aid Permit Number
State of North Carolina
Department of Fnvironmerlt anci-Natural Resources
Divisi cal of Waiez`Quality
STORMWATFR MANAGEMENT PERMIT APPLICATION FORM
This%rm may be photocopir:d fvr use as an original
1. GENERAL INFORMATION
1. Applicants name (specify the n-nme of the corporation, individual, etc. who owns the project). -
AZALEA TRAP F. T.L( T
2. Print Owner/Signing Official's name and title (person.1,6gaIly responsible for facility and'coml)lial7ce):
T KIRK ANDREWS, PARTNER
3. Mailing Address for person listed in item 2 above:
315 ag-�- FRIDAY DRTVE
City: WILMTNGTON :'.State: NC Zip: -)A41 11
Telephone Number: ( 910 } 233-0,003
4. Project Name (subdivision, facility, or establishment nAm -should be cons'sstenl with project name on
plans, specifications, letters, operation aricl mainterialice`a�reemcnts, etc.):
AZALEA. TRACT:'.
5. Locntion of Project (strect address):
NORTH KERR AVENUE
City: j,y�_T COunty: NEW HANQyER
G. Directions to project (front ne:irest major i:lterseclic�n).
FROM THE INTERSECTION Q� NC 133 AND J1.�`)1iDJL'A ON lIS 1 7 (MARKET STD
TO KERit AVE. NQRTH ON T�FRR AVE APpROX 2pO tT n�rL�.
7, Latitude: N 34 115' 1 `" I_ongiti.ldQ: ] ° 52' 94 of project
�. Contact person wlto can answer clLlestions about the I�roject:
Name: JAMES H . FEuIE S S , .TR _ P _ F. _ eluphone, Number: ( A 1 n )
11. VERMIT INFORMATION:
1. Specify whether project is (check one): X New Renewal Modification
r m SWU-101 Version 3.99 t'al;e 1

c�i��tinl; 1?crrnit nuc,ilatr,,^
;!Lill IU; 155LIC LlalC `!l alUlVll)
3. Specify the type of project (check one):
Low Density X. High Density _Rodevelop Ceneral Permit Other
4. Additional Project l:egnJrernents (check applicable Wanks):..
CAMA Major XSect iMentation/l rosion Control 404/401 Permit _NPD) S Stormwater
Information on regr:ir•ed state hermits can be obtained by contacting the Customer Service CCrlter at
1-877-623-6748. .
' M. PROJI_CT INFORMATION
1• In the space provided below, summarize how sto,•rllwM:er.will be treated. Also attach ,e detailed marntive
(one to two pates) describing stormwater marlal;eme,lt fOr the project .
WATFI___� _WjI.Lu- CT D iN_D_RD2 _INL =S-AND--CA_T.CI—BAslNs-,—A.L LC)Wrl}— -0
FLOW T[JRU_oN nr SFVi:RAT, SMALEs_ANll CON VEYEn TO THr_nJ,:_T.FNTT-0N__E0ND
TRT'ATMJ.,NT 11`D—ALLawi-m :4_?.RA_T_N__Daw _ —_5_ S -
2. Stormwater runoff from this project drains to the CAiE, . FrAR River basin.
3. Total Project Area: _ _2�7 acres A. Project Built Upon Area: .50.5 "/„
5. I-Iow mally drainage areas does the project have?_ 1
6. Complete the following lnfoI'imiLion for each dralnago argil. if there are more than livo dminne :~reds in the,
project, attach an additional Sheet w4h the information,f6r, each area provided in the same format as below.
� � � 'h�
�f ��� t)i`luli� e Arc 1 t � � a �>
:�> f' • r;lul t I '�1r ;� �ry �;
Receiving; Strearn Name
SMITH CREEK
�C
Receiving Stream Class
_ SW
Draina};e Urea
20.7 AC
Existing Impervious:' Area
—fl_
Proposed Impervious'Area
10_4.5_.ac. = 455262 q[. _
Irn 7ervious* Area (total}
50. 5%
,•s,r. .,
Impervioia5 t51Y.t:facie A\ a
p [a, aln7} r' r¢'z 1
On -site BUildingS
258,118 sf **
On -site Streets
169,036 sf
On -Site Parking
On -site Sidewalks
26,838 sf
Other on -site
1,261 sf
Off -site
'FOUll: 455262 sf = 10.4.5 -ac
Total:
" Imper-uiorrs arver is defined its the brrilt upon then. includirig bill not limited 10, bmlrling5, roads, parking wrens,
:klcrurrlk�:, ;]•rirrl rrrrrr:, rlr.. .
** 258,118 SF= 62 LOTS x 3500 SF/LOT*'1VBLDGS: X 3738 SF/BLDG '
I'•orn) SWU-101 Version •i.1)9 Pale 2 ol'lt '

7. How was the off -site impervious area listed above derived?
TV. DEED RES11"IC11ONS AND PTZOTI;CTIVE COVENAN'r'S
'f he following italicized deed i-estrictions and protective coireriants are required to be recorded for :111
subdivisions, autparccls and future development prior to thc:,sale of any lot. If lot sizes vary significantly, a
table listing cac11 lot numlicr, size and the allowable built-upon.area for each lot must be provided as an
attachment.
7. The folfoirmitY couerurrzts are irrlcrzded to ensure onsours corrrpf)arice with stale storrrtzunlLr rr)arrn,Caren per)rril
rrz)rriber as issucd bij-llrc Division of Willer Qualify. These coverrnrzls arny
not be changed or deleled without the cousenI of /he Stale.
2. No rriore than __.3500 SF sgurrre fcct of any 101 Sluzll-bc.covered by sl'ruclures or impervious tualerials.
Irrrperviozrs rrraleriats include asplinfl, gravel, concrete, brick,lslotze, slate or shililar material but.do )zol i)zcludewood
ducking or the tvnier sinface of swirrrming pools. `
3. Stuales shall rrol be filler! in, piperl, or allered except as rzecessnr y to Prouirle rlrivcu�ny cro sins,
4. 13rrill-upon area in excess of the pennilled amount requires i) str7le"stornavater wanagemeut permit rtrorlificalio)r prior to
corrstruclioar.
5. All pernrilled rrnzoff from oulparcels or frrlurc rlevcloprrre)rt shall be directed into the pentlilled slorrawatcr corilrol
sysicin. These cortneclious to the slorrnivaler control sy•:lcrrr shall be pe) formed in a rnnimer flint uzninlains the
intgrily and perf'ormnrrce of the syslc°nr as penizitted.
By your sil;nature below, yoGz certify that the recorded deed restrictions 111d protective covenants for this project
shall izlcludc all the applicable ite,ns required above, that the covenants will be binding on tell parties anti
persons claiming under them, that they will run with_the land; that the required covenants cannot be changed or
deleted without concurrence from the State, sand that th' ty Will.be recorded prior to the sale of any lot.
V. SUPPI_I MENT MRMS
The applicable stale
storrllwaler manal;ezticnt hermit suphleinent forms) listed below must be Subiiiltted for
each BMP specified for this project. Contact the Stormwatee acid General Permits Unit at [phone] for the
status and availability of these forms.
Form SWU-102
Wet Detention Basin Supplement
.Form SWU-103
Infiltration Basin Supplement
Form SWU-104
Low Density Supplement
Form SWU-105
Curb Outlet System Supplement
Form SWU-106
Off -Site System Supplement
Form SWU-107
Underground Infiltration Trench Supplement
" Form SWU-108
Neuse river Basin Supplement
-Form SWU-109
Innovative Best Management Practice Sipplement
Form SWU-101 Version 3.99 Page 3`0C
SGu FO 2U Zi 2

orlly.completc application pack' ;es will be accepted and; revielved by the Division of VV.11er Quality (D�VQ).
A complete package includes all of tllc items listed beln. ThC CC 1111)1 0 1ppHCilG011 1),IC10"C' Should be
subillitted to the appropriate DVVQ lteoional Office.
1. PILMSC indicate that you leave provided the following recl ii'recl information by initialing in tll(� space
provided next to each knll.
Initial -
Original and one copy of the Storrnwat-er Ma1l1f emeni P&nlit Application Form
• 01le coI)y of the applicn b1C Supplernerlt.rorm(s) for 'eiich DMP
• Permit application processing fee of $420 (paynble to NCDENR)
Detailed narrative description of stormwater treat.lncrit/management —_ —
['1vo Copies of plans ;111d shccificaliot)S, incluclill""'
- l�evelc�pmeitt/Project 11a17re
- 2.11gincer and firm
- Legend
- North arrow
- Scale
- I:(viSiorl number Ll< daLe
- Mead high water line
- Dimensioned property/project boundary. -.
- Locmicin slap kvilh narncd SL•rCetS or NCSR number's
- Original contours, prol)osed contours, spot.clevationt-, fjiiirt 1cc1 floor clevatioslS
- Demils of roaclti, dralnat e rontUres, collccticiil st";terns, and stormwater control MC1SLSrC'S
- wctlarld� clolilloated, or i1 note on plans Lhli4 none exist
- ]-XiSting (inclLldin(- off -site), draii :i'e easements,1iipe sizes, runoff"calculations
- Drainage areas cleline'awd
- Vegetated buffers (-.vhere required)
VII. AGENT AU`t'I-1ORI7.ATlON
If you wish to dr.sigilate autllority to 0110010t- illdiV1CIL1i 1 or,f"rn1 so that they may provide inforinMion on your
behalf, please complete this section. --
Designated agent(incliviclual olr-f11'tn):_ STROUD ENGINEERING, P.A.
Mailing Addres-s: 102 D CINEMA DRIVE
City: WILMIN9 __ - ----- -- — - - State:NG -- !..'t':8��---------
Phone:.( 1Q o � 8L5--0.7_75 --- --
V111. APPLICANT'S CERTIFICATION
1
1, (prim! or type rmrru rrJ'r,cr_,uu lir;Ic ' ire G wvnr! rlcr;1r.2) KIRK ANDREWS_-
c6rtify that Lhe illforrnatic 11 included oil tlli.: per•rrLit applicntion form is, to the besl'of my kir o wlecigc, correct acid
that the project will be constructed in conformance with the approved plans,.that the required deed restrictions
and protective covenants will be recorded, and that the pro roscd project complies with the requirements of 15A
NCAC 21-1 .1000.
---
Corlrl S1V IJ- i 0 1 Version -1.4 9 1':1r.,0 .1 O1'"t

Permit No. 5W S 020 Z ( Z
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form may he photocopied for use as an original
DWQ Stormwater Management 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.
1. PROJECT INFORMATION
Project Name: AZALEA TRACE
Contact Person: JAMES H. FENTRESS, JR. , P. E. . -.Phone Number: ( 910 ) 815-0775
For projects with multiple basins, specify which basin this-worksheet applies to:
elevations
Basin Bottom Elevation 18 ft. (floor of the basin)
Permanent Pool Elevation 25 ft. (elevation ofthe orifice)
Temporary Pool Elevation 2 .90 ft. (elevation of the discharge structure overflow)
areas
Permanent .Pool Surface Area. 17387 sq. ft.
Drainage Area 20.7 ac.
Impervious Area 10.45 ac.
volumes
Permanent Pool Volume
Temporary Pool Volume
Forebay Volume
Other parameters
SA/DA t
Diameter of Orifice
Design Rainfall
Design TSS Removal z
(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)
Cu. ft. (combined volume of main basin and forebay)
37902 cu. R. (volume detained above the permanent pool)
-10993 cu. ft. (approximately 20% of total volume)
1,979 (surface area to drainage area ratio from DWQ table)
2.5 in. (2'to 5 day temporary pool draw -down required)
1.0 in.
90 % (minimum 85% required)
Form 3WU-102 Rev 3.99 Page t of. 4

Footnotes:
1 When ming the Division SA/DA tables, the correct SA/DA ratio for permanent pool sizing should be computed based upon the
actual impervious %, and permanent pool depth. Linear interpolation should be employed to determine the correct value fur non-
standard table entries.
2 to the 20 coastal counties, the requirement for a vegetative filter 71i'ay be waived if the wet detention basin is designed to provide
90%TSS removal. The NCDENR BMP manual provides design tables for both 85%TSS removal and 90%TSS removal.
I•I.. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater ]jest Management Practices Manual
(N.C. Department of Environment, Health and Natural ,Resources, February 1999) and Administrative Code
Section: 15 A NCAC 21-1 .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 Stonnwater Management Permit
Application Form, the agent may initial below. If a requirement has not been met, attach justification.
C�
The pennanent pool depth is between 3 and 6 feet (required minimum of 3 feet).
The forebay volume is approximately equal to 20% of the basin volume.
The temporary pool controls runoff.from the design storm event.
The temporary pool draws down in-2 to 5 days.
If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow
calculations)
The basin length to width ratio is gr6 ter than 3:1.
The basin side slopes above (lie perirtanent-pool are no steeper than 3:1.
A submerged and vegetated perimeter shelf with a slope of 6:1 or less (show detail).
Vegetative cover above the permanent pool elevation is specified.
A trash rack or similar device is provided for both the overflow and orifice.
A recorded drainage easement is provided for each basin including access to nearest right -
of' -way.
If the basin is used for sediment and erosion control (luring construction, clean Out of the
basin is specified prior to use as a Nvetdetention basin.
m. A mechanism is specified which will -drain the basin for maintenance or an emergency.
111. 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) 0 does 0 does not incorporate a vegetated filter at the outlet.
This system (check ogre) 0 does 0 does not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of4

r
Maintenance activities shall be performed as follows: ,
After every significant runoff producing rainfall event and at least monthly:
a. Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation,
vegetated cover, and general condition.
, b. Check and clear the orifice of any obstructions such 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.
3. 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 5.25 feet in the main pond, the sediment shall be removed.
When the permanent pool depth reads 4.5 feei.in the forebay, the sediment shall be removed.
BASIN: DIAGRAM
(rill in the blanks)
0 Permanent Pool Elevation -2-5—
Sediment Re oval E1.. 20. 5 75 0
_________.._ Sediment Removal Elevation 19.75 75%
Bottom lsle atic 19 _ _ _ % ------------ -------------------------------- ------
Bottom Elevation 18 25%
FOREBAY MAIN POND
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.
G. 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- l02 Rev 3.99 Page 3 of 4 r'

t
7. All components of the wet detention basin system shall -be maintained in good working order.
I acknowledge and agree by, my signature below that I arri, responsible for the performance of the seven
maintenance procedures fisied above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party.
Print name: S
Title: PRIER
Address:_ jL7—DDAY DRIVE
Phone: 91Q-13#70DC 3
Signature
Date:
Note: The legally responsible party should not be a homeowners association unless more than 5o% of the lots have been sold and a
resident of the subdivision has been named the president.
I,'nc�A l��,�Amkz_ , a Notary Public for the State of oR 0 A ,
County of 6RUrtStL-,L:c-)(— , do hereby certify that Qr�cee-L :5
personally appeared before me this I �} day of h _,aka_ D 2L , 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 '