SW8030724_Current Permit_20050927

State Stormwater Management Systems
Permit No. SW8 030724 Modification
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
Richard Genova, Coastal Communities At Ocean Ridge Plantation, Inc
Ocean Ridge Plantation, Phase IV, Section 6
Brunswick County
FOR THE
construction, operation and maintenance of five wet detention ponds 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 September 27, 2015 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 in Section 1.5 on pages 3 and 4 of this permit. The
subdivision is permitted for 128 lots, each allowed 6,000 square feet 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 for the project
will be recorded showing all such required easements, in accordance with the
approved plans.
Page 2 of 10

State Stormwater Management Systems
Permit No. SW8 030724 Modification
5. The following design elements have been permitted for the five wet detention
ponds associated with this stormwater facility, and must be provided in the
system at all times.
Pond 1 Pond 2 Pond 3
a. Drainage Area, acres: 27.23 5.02 5.10
Onsite, ft2: 1,070,731 218,760 221947
Offsite, ft2: 115,286 None None
b. Total Impervious Surfaces,ft2: 513,064 161,648 107,628
Lot BUA, ft2: 370,000 129,000 72,000
Roads/Parking,ft2: 98,149 32,648 35,628
Off-site,ft2: 44,915 None None
c. Pond Depth,feet: 6 5 5
d. TSS removal efficiency: 90 90 90
e. Design Storm, inches: 1 1 1
f. Permanent Pool Elevation, FMSL: 47.0 50.0 53.0
g. Permitted Surface Area @ PP,ft2: 51,289 19,084 17,304
h. Permitted Storage Volume,ft3: 54,305 20,328 9,933
i. Storage Elevation, FMSL: 48.0 51.0 53.6
j. Controlling Orifice: 2 @ 2.5"cp 2"cp 2"cp
k. Permanent Pool Volume, ft3: 173,030 57,144 45,567
I. Forebay Volume, ft3: 31,778 18,273 8,732
m. Maximum Fountain Horsepower: 1/2 1/6 1/6
n. Receiving Stream: Shallotte River Shallotte River Shallotte River
o. River Basin Lumber River Lumber River Lumber River
p. Stream Index Number: 15-25-2-15-(1) 15-25-2-15-(1) 15-25-2-15-(1)
q. Classification of Water Body: "C; Sw; HQW" "C; Sw; HQW" "C; Sw; HQW"
Page 3 of 10

State Stormwater Management Systems
Permit No. SW8 030724 Modification
5. cont. The following design elements have been permitted for the five wet detention
ponds associated with this stormwater facility, and must be provided in the
system at all times.
Pond 4 Pond 5
a. Drainage Area, acres: 5.01 6.7
Onsite, ft2: 218,101 291,643
Offsite, ft2: None None
b. Total Impervious Surfaces, ft2: 99,067 141,462
Lot BUA, ft2: 84,000 113,000
Roads/Parking, ft2: 15,067 28,462
Offsite, ft2: None None
c. Pond Depth, feet: 5 5
d. TSS removal efficiency: 90 90
e. Design Storm, inches: 1 1
f. Permanent Pool Elevation, FMSL: 50.0 47.5
g. Permitted Surface Area @ PP, ft2: 19,033 20,642
h. Permitted Storage Volume, ft3: 9,875 15,144
i. Storage Elevation, FMSL: 50.5 48.2
j. Controlling Orifice: 2"cp 2"(p
k. Permanent Pool Volume, ft3: 48,818 57,672
I. Forebay Volume, ft3: 11,600 12,722
m. Maximum Fountain Horsepower: 1/6 1/6
n. Receiving Stream Shallotte River Shallotte River
o. River Basin Lumber River Lumber River
p. Stream Index Number: 15-25-2-15-(1) 15-25-2-15-(1)
q. Classification of Water Body: "C; Sw; HQW' "C; Sw; HQW"
Page 4 of 10

State Stormwater Management Systems
Permit No. SW8 030724 Modification
II. SCHEDULE OF COMPLIANCE
1. 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 stormwater
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 lot, 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 Board or Committee 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 Board do not relieve the homeowner
of the responsibility to maintain compliance with the permitted BUA limit.
4. The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, for any
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 amount of built-upon area.
e. Further subdivision, acquisition, or sale of all or part of the project area.
The project area is defined as all property owned by the permittee, for
which Sedimentation and Erosion Control Plan approval or a CAMA Major
permit was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
5. The Director may determine that other revisions to the project should require a
modification to the permit.
6. 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.
7. The stormwater management system shall be constructed in its entirety,
vegetated and operational for its intended use prior to the construction of any
built-upon surface.
8. 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 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.
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State Stormwater Management Systems
Permit No. SW8 030724 Modification
10. 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.
11. Permanent seeding requirements for the stormwater control must follow the
guidelines established in the North Carolina Erosion and Sediment Control
Planning and Design Manual.
12. Prior to the sale of any lot, the following deed restrictions must be recorded:
a. The following covenants are intended to ensure ongoing compliance with
State Stormwater Management Permit Number SW8 030724 Modification,
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 of North 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 Water Quality.
f. The maximum built-upon area per lot is 6,000 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. Lots within CAMA's Area of Environmental Concern may be subject to a
reduction in their allowable built-upon area due to CAMA regulations.
h. All runoff on the lot must drain into the permitted system. This may be
accomplished through 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 will naturally
drain into the system are not required to provide these measures.
i. Built-upon area in excess of the permitted amount will require a permit
modification.
13. 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 contain all of the statements above, the signature of the Perrriittee, the
deed book number and page, and the stamp/signature of the Register of Deeds.
14. Decorative spray fountains will be allowed in the stormwater treatment system,
subject to the following criteria:
a. The fountain must draw its water from less than 2' below the permanent
pool surface.
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State Stormwater Management Systems
Permit No. SW8 030724 Modification
b. Separated units, where the nozzle, pump and intake are connected by
tubing, may be used only if they draw water from the surface in the deepest
part of the pond.
c. The falling water from the fountain must be centered in the pond, away from
the shoreline.
d. The maximum horsepower for the fountain's pump is based on the
permanent pool volume. The maximum pump power for a fountain in each
of the five ponds is as follows:
Maximum Fountain Horsepower
Pond No. Maximum Horsepower
1 1/2
2 1/6
3 1/6
4 1/6
5 1/6
15. Prior to transfer of the permit, the stormwater facilities will be inspected by DWQ
personnel. The facility must 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.
16. The permittee shall at all times provide the operation and maintenance
necessary to assure that all components of the permitted stormwater system
function 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.
e. Maintenance of side slopes in accordance with approved plans and
specifications.
f. Debris removal and unclogging of structures, orifice, catch basins and
piping.
g. Access to all components of the system must be available at all times.
17. Records of maintenance activities must be kept and made available upon
request to authorized personnel of DWQ. The records will indicate the date,
activity, name of person performing the work and what actions were taken.
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.
Page 7 of 10

State Stormwater Management Systems
Permit No. SW8 030724 Modification
III. GENERAL CONDITIONS
1. This permit is not transferable to any person or entity except after notice to and
approval by the Director. In the event there is either 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 documentation from the parties involved.
This may include, but is 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.
2. The permittee is responsible for compliance with all of the terms and conditions
of this permit until such time as the Director approves the transfer request.
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 143-215.6A 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.
5. 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.
6. The permit may be modified, revoked and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and reissuance or
termination does not stay any permit condition.
7. Permittee grants permission to staff of the DWQ to access the property for the
purposes of inspecting the stormwater facilities during normal business hours.
8. The permittee shall notify the Division of any name, ownership or mailing address
changes within 30 days.
9. A copy of the approved 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 27th day of September, 2005.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
jaztca
for Ian W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number SW8 030724 Modification
Page 8 of 10

OFFICE USE ONLY
Date Received Fee Paid Permit Number
10 I. 05 - �1�08 #V)-v.o ° S/t1$ 0301-a-9- Hot)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
I. GENERAL INFORMATION
1. Applicants name(specify the name of the corporation,individual,etc.who owns the project):
CoosLo.\ Commun,4ies ® Ocean Rtdse. 'Pka- n.A-iori rZ.nc_
2. Print Owner/Signing Official's name and title(person legally responsible for facility and compliance):
Rtehar& Cennua U;ce. Pres►ien4
3. Mailing Address for person listed in item 2 above:
36l ()eau, R't4e L LJGA( 1 541
City: C.:r ea.r. 'Isle Beach State: MC Zip: 2.84ro9
Telephone Number: ( Ct I 0 ) 287 - 1903
4. Project Name(subdivision,facility,or establishment name-should be consistent with project name on plans,
specifications,letters,operation and maintenance agreements,etc.):
OC ea r% Rkdg e_ t9\c�,n .�-tor, , Phase T!I rce&r on Co
5. Location of Project(street address):
Corner o•C Ca.s-Vle orcola U cLy c,.n $ Am. r W o,v C can e3 a {-tan
City: Ccccr.YSle SCO do County: ue1S l„i i c k'
6. Directions to project(from nearest major intersection):
Frnnn U.S. L y I1%7 and rUC I4wy. '/04 — AJorth on LIS `lPProx.
-314 i te. Ocean R69 e_ Planc torn i s cvn h+
7. Latitude: 33° S Co, Longitude: '71 of project
8. Contact person who can answer questions about the project:
Name: R Iclno r( C—enou o. Telephone Number: ( Q(0 ) 2 87- ,`t0 3
PERMIT INFORMATION:
1. Specify whether project is(check one): New Renewal X Modification
Form SWU-101 Version 3.99 Page 1 of 4

2. If this application is being submitted as the result of a renewal or modification to an existing permit,list the
existing permit number S W g O 3o 24 and its issue date(if known) I Z- 2-O 3
3. Specify the type of project(check one):
Low Density X High Density Redevelop General Permit Other
4. Additional Project Requirements(check applicable blanks):
CAMA Major X Sedimentation/Erosion Control _404/401 Permit _NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
III. PROJECT INFORMATION
1. In the space provided below,summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages)describing stormwater management for the project.
P e 1� SeG iit11 Co i5 rISec. r I2$ Suck Fars, ly LoI-s
cv cAkow gbte RUA a4 61000 si /LoT, (5) F",te_
PonA..s are Des)5hcd z +cea-t the £-I6re, r e.un o1P
2. Stormwater runoff from this project drains to the L -,b e r River basin.
3. Total Project Area: J 1.Co acres 4. Project Built Upon Area: 3r-2.'7
5. How many drainage areas does the project have?
6. Complete the following information for each drainage area. If there are more than two drainage areas in the
project,attach an additional sheet with the information for each area provided in the same format as below.
5 t nnwgter tondd‘ t S'beinnn .)a ee- Pond 'f2_
Basin Information Drainage Area 1 Drainage Area 2
Receiving Stream Name SHllok{� .Swa.ne .SW,aa,rhe
Receiving Stream Class C S W C
Drainage Area 217.22`72-�. I)I S(orQl'7 SF _ S.02.Z1 Ac. 21$7(00 sF
Existing Impervious*Area —
Proposed Impervious*Area It.'7'793 Ac. 5l3,0(D.4 sF 3.11/01 i4e.. (('I, 674 B s F _
Impervious*Area(total) -4 .2(9% '73.469%
Impervious*Surface Area Drainage Area 1 Drainage Area 2
On-site Bui.111.60 LOTS 8.494 Ac. 37Q000sF 2.%14 Ac. IZ90o0 sF
On-site Streets 2.2532It. 99)1(49 SF 0.'744%Ac. 32,C04S SF
On-site Parking
On-site Sidewalks -.
FLA.A.care -
Off-site I.O31iAe. 44,1(6SF -
Total: I(.'r7g3Ae. 513,C.iA sF Total: 3. 110/Ac. I GI,648 SF
*Impervious area is defined as the built upon area including,but not limited to,buildings,roads,parking areas,
sidewalks,gravel areas,etc.
Form SWU-101 Version 3.99 Page 2 of 4

2. If this application is being submitted as the result of a renewal or modification to an existing permit,list the
existing permit number and its issue date(if known)
3. Specify the type of project(check one):
Low Density X High Density Redevelop General Permit Other
4. Additional Project Requirements(check applicable blanks):
CAMA Major X Sedimentation/Erosion Control 404/401 Permit NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
III. PROJECT INFORMATION
1. In the space provided below,summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages)describing stormwater management for the project.
SFE IQA KZAT- J
2. Stormwater runoff from this project drains to the Lumber ber River basin.
3. Total Project Area: 59.C. acres 4. Project Built Upon Area: 37. '—]
5. How many drainage areas does the project have? S
6. Complete the following information for each drainage area. If there are more than two drainage areas in the
project,attach an additional sheet with the information for each
�each area provided in the same`format as below.
SA0eiv Wo.� ��
er e'en& J skerh ..octe r PoIW lk 4
Basin Information Drainage Area 1 Drainage Area 2
Receiving Stream Name rj hakto-k4e St.-.ar,Q S(nc k104-1-e Sir,p
Receiving Stream Class St—) a 54,J
Drainage Area 5.0952_Ac. 22( 447.SF S.On C,4 A, _ Zi S1101 SF
Existing Impervious*Area
Proposed Impervious*Area 2 4'7og Ac.• 1074ZS sue' Z.2'7f 3 Ac.. `ft 06'?sF
%Impervious*Area(total) 46.5% /5.4Z%
Impervious*Surface Area Drainage Area 1 Drainage Area 2
On-site Buildings LOTS I•6.5 29 Lac. 7Z,,Qoo 5 F 1.1204 A4c. 84,tL7o s F
On-site Streets D.g 1*7/ AG. 5,(oZ$ 5 F p.3`FS9ite. is'r O(v'1 SF
On-site Parking _ —
On-site Sidewalks _
Other on-site _ —
i Off-site _
Total:24,064c._ 1071 628 sF Total: 2.2'742 kc. Q4,04,7 SF
*Impervious area is defined as the built upon area including,but not limited to,buildings,roads,parking areas,
sidewalks,gravel areas,etc.
Form SWU-101 Version 3.99 Page 2 of 4

2. If this application is being submitted as the result of a renewal or modification to an existing permit,list the
existing permit number and its issue date(if known)
3. Specify the type of project(check one):
Low Density X High Density Redevelop General Permit Other
4. Additional Project Requirements(check applicable blanks):
_CAMA Major (Sedimentation/Erosion Control 404/401 Permit _NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
III. PROJECT INFORMATION
1. In the space provided below,summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages)describing stormwater management for the project.
SEE IVAkkATIVE
2. Stormwater runoff from this project drains to the Lnn ber River basin.
3. Total Project Area: SiCo acres 4. Project Built Upon Area: 3+7.r7
5. How many drainage areas does the project have? S
6. Complete the following information for each drainage area. If there are more than two drainage areas in the
project,attach an additional sheet with the information for each area provided in the same format as below.
G16 LL-
S'socn.wci.i-e r fon&46S rhos e 1 Sac+eon G
Basin Information Drainage Area 1 Drainage Area 2
Receiving Stream Name Stick Ilo-1+e Stick i c.4'i- S 1-.,0.Mp
Receiving Stream Class - C <L. L- Sw
Drainage Area Co.6:152 Ac_. 211,(oe{3sF 2,s-14 sp
Existing Impervious Area — —
Proposed Impervious*Area 3.2 4'7504c-. I11(.1 SP Z 2.4SO$/k__ r,'1 s5 sF
%Impervious'`Area(total) 48.S% -37.7
Impervious*Surface Area Drainage Area 1 Drainage Area 2
On-site Buildings t o-i-S 2.51 Ac. 113,00O Sp I`7.G3O?Ac. 7(m a OOOsF
On-site Streets O.coS34 A-c, . 28 Lf(DZSF 4.0(49,4c. 201.9SSsF
On-site Parking
On-site Sidewalks — —
Other on-site
Off-site —
Total: 3.24'75,4c. I 1+14415F Total:22.4So$A l'J'Map
*Impervious area is defined as the built upon area including,but not Iimited to,buildings,roads,parking areas,
sidewalks,gravel areas,etc.
Form SWU-101 Version 3.99 Page 2 of 4

7. How was the off-site im ervious area listed above derived? P 3.,Se W JSeG�it(1S t-- Perm;(k
Qo .&jol n 14lase IV)Seth ton 4
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
subdivisions,outparcels and future development prior to the sale of any lot. If lot sizes vary significantly,a table
listing each lot number,size and the allowable built-upon area for each lot must be provided as an attachment.
1. The following covenants are intended to ensure ongoing compliance with state stormwater management permit number
SW S 0202Z( as issued by the Division of Water Quality. These covenants may not be
changed or deleted without the consent of the State.
2. No more than Co, 000 square feet of any lot shall be covered by structures or impervious materials.
Impervious materials include asphalt,gravel,concrete,brick,stone,slate or similar material but do not include wood
decking or the water surface of swimming pools.
3. Swales shall not be filled in,piped,or altered except as necessary to provide driveway crossings.
4. Built-upon area in excess of the permitted amount requires a state stormwater management permit modification prior to
construction.
5. All permitted runoff from outparcels or future development shall be directed into the permitted stormwater control
system. These connections to the stormwater control system shall be performed in a manner that maintains the integrity
and performance of the system as permitted.
By your signature below,you certify that the recorded deed restrictions and protective covenants for this project
shall include all the applicable items required above,that the covenants will be binding on all parties and 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,and that they will be recorded prior to the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s)listed below must be submitted for each
BMP specified for this project. Contact the Stormwater and General Permits Unit at(919)733-5083 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 Supplement
Form SWU-101 Version 3.99 Page 3 of 4

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality(DWQ).
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Regional Office.
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
'tials
• Original and one copy of the Stormwater Management Permit Application Form �4
• One copy of the applicable Supplement Form(s)for each BMP
• Permit application processing fee of$420(payable to NCDENR) �4I
• Detailed narrative description of stormwater treatment/management AM!'�/�
• Two copies of plans and specifications,including: s J`
-Development/Project name iff
-Engineer and firm
-Legend
-North arrow
-Scale
-Revision number&date
-Mean high water line
-Dimensioned property/project boundary
-Location map with named streets or NCSR numbers
-Original contours,proposed contours,spot elevations,finished floor elevations
-Details of roads,drainage features,collection systems,and stormwater control measures
-Wetlands delineated,or a note on plans that none exist
-Existing drainage(including off-site),drainage easements,pipe sizes,runoff calculations
-Drainage areas delineated
-Vegetated buffers(where required)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf,please complete this section. PA
Designated agent(individual or firm): �}pu$#on c. Ascoc.ia f s',
Mailing Address: P.O. %k cZr7
City: Skcd(M4e State: M C Zip: 2 84E9
Phone: ( I O ) '7 5 t{- _ 32-4- Fax: ( of O ) '7 Sq. - 21 Z I
VIII. APPLICANT'S CERTIFICATION
I,(print or type name of person listed in General Information,item 2) 9'.C—N-N.c c\ G 2 c- a
certify that the information included on this permit application form is,to the best of my knowledge,correct and
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 proposed project complies with the requirements of 15A
NCAC 2H.1000.
Signature Date: L%
Form S WU-101 Version 3.99 Page 4 of 4

Stormwater and Erosion Control Narrative
for
Ocean Ridge Plantation
Phase iV, Section 6
(Permit No. SW8 030724)
The subject project is located within Ocean Ridge Plantation, in southern Brunswick
County. Ocean Ridge Plantation, Phase IV has an Overall Stormwater Plan under the low density
option. There are eight (8) tracts being developed in Phase IV. These tracts are Phase IV,
Sections 1-8. This submittal is for Section 6. Phase IV, Section 6 was originally approved as a
multi-family project on December 2, 2003, Permit Number SW8 030724. The project has
changed from a multi-family condominium development to a single family residential
development. Ocean Ridge Plantation has also changed ownership. Coastal Communities @ Ocean
Ridge Plantation, Inc., are the new owners of Ocean Ridge Plantation.
Development of the above mentioned tracts will be accompanied with curbed and guttered
roadways with open throat and grate curb inlets and piping. Stormwater ponds have been
designed for treatment.
Phase IV, Section 6 now includes 128 single family lots and roadways. The allowable lot
BUA is 6,000 square feet per lot. Phase IV, Section 6 will utilize five (5) Stormwater Ponds to
treat runoff from the 1" Design Storm. An Overall Stormwater Permit for Phase IV was
approved under the Low Density Option, Permit # SW8 020221.
r � y

Permit NoW7 O50 i4/-(oi
(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 be 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.
I. PROJECT INFORMATION
Project Name: C _etielRir4if Ra.A rt - PkAase t SeG�1on Co
Contact Person: 1�t8nan ct C Prtoua Phone Number: (90 ) Z - 110 3
For projects with multiple basins, specify which basin this worksheet applies to: # `
elevations
Basin Bottom Elevation 41,0 ft. (floor of the basin)
Permanent Pool Elevation 47.0 ft. (elevation of the orifice)
Temporary Pool Elevation 9$.O ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area SIJ Zaej sq.ft. (water surface area at the orifice elevation)
Drainage Area Zr?.ZZ')a ac. (on-site and off-site drainage to the basin)
Impervious Area 11.'7'183 ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume l 7 3,030 cu. ft. (combined volume of main basin and forebay MA- PtND
Temporary Pool Volume S-4,3 b S cu. ft. (volume detained above the permanent pool) R'e S A r15
Forebay Volume 3 l rr)g cu. ft.' (approximately 20%of total volume)
Other parameters
SA/DA1 2. 3232. (surface area to drainage area ratio from DWQ, table)
Diameter of Orifice z e Z. in. (2 to S day temporary pool draw-down required)
Design Rainfall in.
Design TSS Removal 2 90 °lo (minimum 85%required)
Form SWU-102 Rev 3.99 Page 1 of 4

•
Footnotes:
1 When using 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 for non-
standard table entries.
2 In the 20 coastal counties,the requirement for a vegetative filter may 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.
IL 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 Fonm,the agent may initial below. If a requirement has not been met,attach justification.
Applicants Initials
a. The permanent pool depth is between 3 and 6 feet(required minimum of 3 feet).
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.
/U e. If required, a 30-foot vegetative filter is provided at the outlet(include non-erosive flow
calculations)
f. The basin length to width ratio is greater than 3:1.
g. The basin side slopes above the permanent pool are no steeper than 3:1.
h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less(show detail).
i. Vegetative cover above the permanent pool elevation is specified.
j. A trash rack or similar device is provided for both the overflow and orifice.
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
ti- prl�� -Ebasin is specified prior to use as a wet detention basin.
Cii,c m. A mechanism is specified which will drain the basin for maintenance or an emergency.
III. 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-‘-not incorporate a vegetated filter at the outlet.
This system(check one) 0 does “oes not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4

Maintenance activities shall be performed as follows:
1. 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 4.S feet in the main pond,the sediment shall be removed.
When the permanent pool depth reads 4 s -feet in the forebay,the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
0 Permanent Pool Elevation 470
Sediment Re oval El.42• :75
Sediment Removal Elevation `2.S �75°do
Bottom Ele ation 11.0 f
%
Bottom Elevation .O 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.
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

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 am responsible for the performance of the seven
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.
Print name: ( wt.,
Title: V\ce reSqs..€i A
Address: 351 Oce a.(‘ e .LJ .
Phone: (IC O> Z - l l0
Signature:
Date: r/1 Vo .sue
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, `IT L• 1-1 n t,i,Sialn , a Notary Public for the State of h Ockr41; ,
County of k u1144 ,do hereby certify that j ii.tard ae_irpdaL
personally appeared before me this caa, day of ' 0'P L , 2 t , and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
11.
( ;t.\o
ate)
crieltA_Lt -Hati-TarsEAL
My commission expires C.a ' 15_ ktool
Form SWU-102 Rev 3.99 Page 4 of 4

Permit No. 5cv 163o 7Z4
(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 be 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.
I. PROJECT INFORMATION
Project Name: Dugan 2, e. Ple..44I4u f1 Flaw . .srcf-:xn a
Contact Person: Ronk43 G.,Ls.n Phone Number: ('7ta ) a87-t7a. I
For projects with multiple,basins, specify which basin this worksheet applies to: 3
elevations
Basin Bottom Elevation 41.S ft. (floor of the basin)
Permanent Pool Elevation 47.r ft. (elevation of the oriffice)
Temporary Pool Elevation 48.G ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area 11,214 sq.ft. (water surface area at the orifice elevation)
Drainage Area V.7,7I ac. (on-site and off-site drainage to the basin)
Impervious Area G.(ao a ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume (p(ot Sl 2 cu. ft. (combined volume of main basin and forebay)
Temporary Pool Volume 22 CRS cu.ft. (volume detained above the permanent pool)
Forebay Volume 1 1t 27 s cu.ft. (approximately 20%of total volume)
Other parameters
SAJDA1 3.SUB,IS (surface area to drainage area ratio from DWQ table)
Diameter of Orifice 2.5 in. (2 to 5 day temporary pool draw-down required)
Design Rainfall in.
Design TSS Removal 2 TO % (minimum 85%required)
Form SWU-102 Rev 3.99 Page 1 of 4

Footnotes:
1 When using 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 for non-
standard table entries.
2 In the 20 coastal counties,the requirement for a vegetative filter may 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.
IL 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
a. The permanent pool depth is between 3 and 6 feet(required minimum of 3 feet).
b. The forebay volume is approximately equal to 20% of the basin volume.
c. The temporary pool controls runoff from the design storm event.
AA 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)
f. The basin length to width ratio is greater than 3:1.
g. The basin side slopes above the permanent pool are no steeper than 3:1.
h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less(show detail).
i. Vegetative cover above the permanent pool elevation is specified.
j. A trash rack or similar device is provided for both the overflow and orifice.
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.
P ',,p m. A mechanism is specified which will drain the basin for maintenance or an emergency.
TYfi. 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‘eis not incorporate a vegetated filter at the outlet.
This system(check one) 0 does aloes not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4

Maintenance activities shall be performed as follows:
1. 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 4 S feet in the main pond,the sediment shall be removed.
When the permanent pool depth reads 4 S feet in the forebay,the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
0 Permanent Pool Elevation 17s
Sediment Re val El. ' o_ :75
Sediment Removal Elevation 43.0 75%
Bottom P1e ation 4G s %
Bottom Elevation 41( 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.
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

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 am responsible for the performance of the seven
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.
Print name: nein i nj G:bsan - °Lear. Riel5e. ;
Title: ,es:deal+-
Address: 3S l Oceo.► Lose. Q rkg,.,.( t SW : CXee ?.s(c Bead, 1 QC L.g4C 9
Phone: C4jie12 - 17
Signature: tieht4/1.4ei
Date: 7'-/7 G3
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 k l' E,
County of alt.mr,isL„c� . ,do hereby certify that her t1 ,nrunnc
personally appeared before me this 1' day of , am.3, and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
"re tV.AN
co
s VP 41
\/O coutol:-"
SEAL
My commission expires Le-
Form SWU-102 Rev 3.99 Page 4 of 4

Permit No.
(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 be 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.
I. PROJECT INFORMATION
Project Name: De ea 12,4y P(a..40.I4a4 / Ph as. !mil rSec 4;an C.
Contact Person: F'eea,13 G.Lc Phone Number: ( Vj/a ) J7-/77.
For projects with multiple,basins,specify which basin this worksheet applies to: 'q-
elevations
Basin Bottom Elevation 44,E ft. (floor of the basin)
Permanent Pool Elevation SO.S ft. (elevation of the orifice)
Temporary Pool Elevation Si.S' ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area f S air sq.ft. (water surface area at the orifice elevation)
Drainage Area SOG77 ac. (on-site and off-site drainage to the basin)
Impervious Area 3.S/ ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume 13,33 2 cu. ft. (combined volume of main basin and forebay)
Temporary Pool Volume /Gt 470 cu. ft. (volume detained above the permanent pool)
Forebay Volume 71 7/S' cu. ft. (approximately 20%of total volume)
Other parameters
SA/DA1 3.8G RS' (surface area to drainage area ratio from DWQ table)
Diameter of Orifice ® in. (2 to 5 day temporary pool draw-down required)
Design Rainfall I in.
Design TSS Removal 2 10 _..._ % (minimum 85%required)
Form SWU-102 Rev 3.99 Page 1 of 4

Footnotes:
1 When using 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 for non-
standard table entries.
2 In the 20 coastal counties,the requirement for a vegetative filter may 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.
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
a. The permanent pool depth is between 3 and 6 feet(required minimum of 3 feet).
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.
/144 e. If required,a 30-foot vegetative filter is provided at the outlet(include non-erosive flow
calculations)
f. The basin length to width ratio is greater than 3:1.
g. The basin side slopes above the permanent pool are no steeper than 3:1.
h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less(show detail).
i. Vegetative cover above the permanent pool elevation is specified.
j. A trash rack or similar device is provided for both the overflow and orifice.
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
� �e basin is specified prior to use as a wet detention basin.
m. A mechanism is specified which will drain the basin for maintenance or an emergency.
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) 0 does Q� not incorporate a vegetated filter at the outlet.
This system(check one) 0 does 04oes not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4

Maintenance activities shall be performed as follows:
1. 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 4 5- feet in the main pond,the sediment shall be removed.
When the permanent pool depth reads 4.c" feet in the forebay,the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
0 Permanent Pool Elevation Cos'
Sediment Re oval El. `1CA 75
Sediment Removal Elevation 4C.o 75%
Bottom Ele ation Q4.Sr %
Bottom Elevation 4Vf 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.
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

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 am responsible for the performance of the seven
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.
Print name: Pent t n 12s0n - °tea n Rt4 e tic.
Title: YfeS:den i-
Address: 3Sl Ocean Lit, eawkc..., SW Lam.. lee Beach 1 iIJC Ag46T
Phone: C'id®1 -17 a
Signature: tL �,b�---
Date: 7./7 MPfr
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.
o�°° irk_a trr`) a Notary Public for the State of AJ . L m h ,
Countyof �,.y tom, do herebycertify.,h that - 1 . ��ernl� C�-,bsor`.
personally appeared before me this • L day of C , 3 ,and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
SEAL .
My commission expires L -is -..x04
•
Form SWU-102 Rev 3.99 Page 4 of 4

Permit No. 41,6)0 3°7QV
(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 be 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.
I. PROJECT INFORMATION
Project Name: Ocean 2145e Ran-Winn PiNa 1 .Set.3 an C
Contact Person: Vie, G, .n Phone Number: (qto ) '.$7`17a
For projects with multiple,basins, specify which basin this worksheet applies to: o't •
elevations
Basin Bottom Elevation 10.Of ft. (floor of the basin)
Permanent Pool Elevation 46.0 1 ft. (elevation of the orifice)
Temporary Pool Elevation 4 .S' ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area o2I i 4S7 sq.ft. (water surface area at the orifice elevation)
Drainage Area 'q 9 3S ( ac. (on-site and off site drainage to the basin)
Impervious Area a. S 17Y? ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume '71, '0!o cu.ft. (combined volume of main basin and forebay)
Temporary Pool Volume 1(1 012 cu.ft. (volume detained above the permanent pool)
Forebay Volume a(, 33 cu.ft. (approximately 20%of total volume)
Other parameters
SA/DA1 3.187a (surface area to drainage area ratio from DWQ table)
Diameter of Orifice 02.0 in. (2 to 5 day temporary pool draw-down required)
Design Rainfall ! in.
Design TSS Removal 2 r/0 % (minimum 85%required)
Form SWU-102 Rev 3.99 Page 1 of 4

Footnotes:
1 When using 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 for non-
standard table entries.
2 In the 20 coastal counties,the requirement for a vegetative filter may 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.
IL 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
a. The permanent pool depth is between 3 and 6 feet(required minimum of 3 feet).
b. The forebay volume is approximately equal to 20%of the basin volume.
c. The temporary pool controls runoff from the design storm event. .
i� d. The temporary pool draws down in 2 to 5 days.
14- e. If required,a 30-foot vegetative filter is provided at the outlet(include non-erosive flow
calculations)
f. The basin length to width ratio is greater than 3:1.
g. The basin side slopes above the permanent pool are no steeper than 3:1.
h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less(show detail).
i. Vegetative cover above the permanent pool elevation is specified.
j. A trash rack or similar device is provided for both the overflow and orifice.
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.
pm. A mechanism is specified which will drain the basin for maintenance or an emergency.
IIL 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 Q'd/of incorporate a vegetated filter at the outlet.
This system(check.one) 0 does O'does not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4

Maintenance activities shall be performed as follows:
1. 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 4.( feet in the main pond,the sediment shall be removed.
When the permanent pool depth reads 4.s feet in the forebay,the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
V Permanent Pool Elevation 44.43
Sediment R val El. /I 75
Sediment Removal Elevation 4(.r 75%
Bottom Ele ation 40.0 %
Bottom Elevation Q 0.0 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.
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

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 am responsible for the performance of the seven
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.
Print name: FIemsni C—'bsen Ocean. Zedge ForMS i Tr,c .
Title: Pesi den,l-
Address: 3S( Oteay. ?'d.5e Pi rk,..ay , $4) : 6c mei 1sle, Sead7h , iL/C aP69
Phone: (41 > vS7- r sl .
Signature: [f,�l A, ko
uaDate: 7—/7-0
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,k ,.,.., L. r.,.. —,a Notary Public for the State of ,i44-. I a,.,,
County of .e.m.•&r. . ,do hereby certify that L . cl-e.rvit ( .loser,
personally appeared before me this I n44' day of (\i,-t Li , a003 , and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
,I +° att. 14\
e. 41a:. � o
\ t kiL4
,.�. , 4•/.
\°mar co '
SEAL •
My commission expires 1.o -IS-a t:04
Farm SWU-102 Rev 3.99 Page 4 of 4

Permit No. 5i O3o724-
State of North Carolina (to be provided by DWQ)
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 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.
I. PROJECT INFORMATION
Project Name: Or eel" ev%e Flag• -4,o n pk, c' 11T . ___________
Contact Person: i-teminj Phone Number: ( 'no ) .287-i73I
For projects with multiple.basins, specify which basin this worksheet applies to: 1 •
elevations
Basin Bottom Elevation 41.0 ft. (floor of the basin)
Permanent Pool Elevation 4 70( ft. (elevation of the orifice)
Temporary Pool Elevation 47 S' ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area 5-2, sq.ft. (water surface area at the orifice elevation)
Drainage Area I I.Sf 1 S ac. (on-site and off-site drainage to the basin)
Impervious Area 5,(o92 ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume 2 t ai 15-g cu.ft (combined volume of main basin and forebay)
Temporary Pool Volume ..24.,46-9 cu.ft (volume detained above the permanent pool)
Forebay Volume S-7,DSO cu.ft. (approximately 20%of total volume)
Other parameters
SAIDAI o?.3 41Q (surface area to drainage area ratio from DWQ table)
Diameter of Orifice e2(?..2. S in. (2 to 5 day temporary pool draw-dawn required)
Design Rainfall I in.
Design TSS Removal 22 90 % (minimum 85%required)
Form SWU-102 Rev 3.99 Page 1 of 4

Footnotes:
1 When using 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 for non-
standard table entries.
2 In the 20 coastal counties,the requirement for a vegetative filter may 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.
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
a. The permanent pool depth is between 3 and 6 feet(required minimum of 3 feet).
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)
f. The basin length to width ratio is greater than 3:1.
g. The basin side slopes above the permanent pool are no steeper than 3:1.
h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less(show detail).
i. Vegetative cover above the permanent pool elevation is specified.
j. A trash rack or similar device is provided for both the overflow and orifice.
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.
pPm. A mechanism is specified which will drain the basin for Maintenance or an emergency.
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) 0 does 0-6e1.pof incorporate a vegetated filter at the outlet.
This system(check one) 0 does (i46es not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4

Maintenance activities shall be performed as follows:
1. 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 g.S feet in the main pond,the sediment shall be removed.
When the permanent pool depth reads 9 S feet in the forebay,the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
0 Permanent Pool Elevation 47.0
Sediment R val El. 92.se 75
Sediment Removal Elevation 9e7.S— 75%
Bottom Ele ation 4(a %
Bottom Elevation 440 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.
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

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 am responsible for the performance of the seven
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.
Print name: flefa i 46 ( r ioSen — OC cart 2 A5 C rataks e Tes..
Title: Pre S:t e'i-
Address: 351 C e Rae Park *SW : Orear% Isle He&oh NG fl fC t
Phone: C1Io 87- 17V-i
Signature: (,C ' 1 - •!iAiry
Date: 7 J?V A /
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, L• h -6,-, ,a Notary Public for the State of 1.10e}k, Orurollr►a� ,
County of I k.A.Ar 4�c c It- ,do hereby certify that k. FI erru vn (�'4(abc„-,
personally appeared before me this 1'1 41"day of 6\1Ail, , ; ,and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
♦ fK �.+C
I r U t°,
M. `'a�`' lF'
\` coy ei
SEAL
My commission expires Lo - I S-a. }
Form SWU-102 Rev 3.99 Page 4 of 4