SW8060843_CURRENT PERMIT_20061019

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

O�o� W A rFgQG
r
4 ',c
October 19, 2006
Ms Sonya Culler, Manager
Bill Clark Homes of Wilmington, LLC
430 Eastwood Road
Wilmington, NC 28403
Subject Stormwater Permit No SW8 060843
Osprey Landing Subdivision
High Density Subdivision Project
Brunswick County
Dear Ms Culler
Michael I Easley Governor
William G Ross Jr Secretary
North Carolina Department of I-nvironment and Natural Resources
Alan W Klimek P F Director
Division of Watci Quality
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for Osprey Landing Subdivision on September 22, 2006 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 060843, dated October 19, 2006, for the construction of the subject project
This permit shall be effective from the date of issuance until October 19, 2016, 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 sixty (60) 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 Paul Bartlett, or me at [phone]
Sincerely
J
Edward Beck
Regional Supervisor
Surface Water Protection Section
ENBlptb S IWQSISTORMWATERIPERMlT1060843 oct06
cc Tim Clinkscales, P E , Paramounte Engineering, Inc
Delaney Aycock, Brunswick County Inspections
Jeff Phillips, Brunswick County Engineering
Paul T Bartlett, P E
Wilmington Regional Office
Central Files
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone]
Wilmington Regional Office Internet Axk A newatirauality org Fax [phone]
N �YtitCaroltna
7'Wura!!ry
Customer Service
1 877-623 6748
An Equal OpportunitylAKirmative Action Employer — 50% Recycled110% Post Consumer Paper

State Stormwater Management Systems
Permit No SW8 060843
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
Ms Sonya Culler and Bill Clark Homes of Wilmington, LLC
Osprey Landing Subdivision
Brunswick County
FOR THE
construction, operation and maintenance of four infiltration basins in compliance with
the provisions of 15A NCAC 2H 1000 (hereafter referred to as the "stormwater rules'l
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 October 19, 2016 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 16 on page 3 of this permit The subdivision is
permitted for 121 lots, each allowed 5,400 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 Basin #1 must be operated with a bypass and 50' vegetated filter Basin #3 must
be operated with a bypass, but no vegetated filter is required No bypass is
required for Basins #2 and #4
5 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 8

State Stormwater Management Systems
Permit No SW8 060843
6 The following design elements have been permitted for the infiltration basin
stormwater facilities, and must be provided in the systems at all times
Basin 1
Basin 2
Basin 3
Basin 4
a Drainage Area, ac
(1) Onsite, ft2
2 Offsite, ft2
31 64
1,378,238
None
527
229,561
None
21 87
952,657
None
405
175,982
None
b Total Impervious Surfaces, ft
(1) Lots at 5,400 ft2
2 Roads/Parking, ft2
701,568
361,800
339,768
76,651
54,000
22,651
309,834
194,400
115,434
41,714
27,000
14,714
c Basin Depth, feet
80
40
35
40
d Design Storm, in
1 5
4 5 (no bypass)
3 0 (no filter)
4 5 (no bypass)
e Bottom Elevation, FMSL
160
230
235
240
f Permitted Surface Area Bottom, ft2
10,231
7,909
22,817
6,928
Permitted Storage Volume, ft
169,125
55,466
108,193
43,364
h Storage/Bypass Elevation, FMSL
21 17
2556
2689
2596
i_jype of Soil
Mandarin
Expected infiltration Rate, inlhr
202 204
180
102
k Time to Draw Down, hours
99 41
3 2
74
1 Receiving Stream 1 River Basin
UT Dutchman Creek 1 Cape Fear
m Stream Index Number
18-88-9-3- 2 5
n Classification of Water Body
SA, HQW
II SCHEDULE OF COMPLIANCE
I 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 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
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
Page 3 of 8

State Stormwater Management Systems
Permit No SW8 060843
5 The Director may determine that other revisions to the project should require a
modification to the permit
6 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
7 During construction, erosion shall be kept to a minimum and any eroded areas of
the -system will be repaired immediately Infiltration systems should not be used
as erosion control devices, due to the potential clogging 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
8 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
9 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
10 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
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 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
Page 4 of 8

State Stormwater Management Systems
Permit No SW8 060843
13 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 060843, 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
The maximum built -upon area per lot is 5,400 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 from built upon area 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
Built -upon area in excess of the permitted amount will require a permit
modification
14 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 Permittee, the
deed book number and page, and the stamp/signature of the Register of Deeds
15 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
16 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 5 of 8

State Stormwater Management Systems
Permit No SW8 060843
III GENERAL CONDITIONS
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 19th day of October 2006
NORTAROLINA ENVIR NMENTAL MANAGEMENT COMMISSION
7 ae , rl
for Alan W Klimek, P E , Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 6 of 8

State Stormwater Management Systems
Permit No SW8 060843
Osprey Landing Subdivision
Stormwater Permit No SW8 060843
Brunswick County
Designer's Certification
Page 1 of 2
I, , as a duly registered in
the State of North Carolina, having been authorized to observe (periodical lylweeklylfull
time) the construction of the protect,
(Protect)
for (Protect Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the protect
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
Signature
Registration Number
Date
SEAL
Page 7 of 8

State Stormwater Management Systems
Permit No SW8 060843
Certification Requirements
Page 2 of 2
1 The drainage area to the system contains approximately 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 protect is graded such that the
runoff drains to the system
4 All roof drains are located such that the runoff is directed into the system
5 The outlet/bypass structure elevations are per the approved plan
6 The outlet structure is located per the approved plans
7 Trash rack is provided on the outlet/bypass structure
8 All slopes are grassed with permanent vegetation
9 Vegetated slopes are no steeper than 3 1
10 The inlets are located per the approved plans and do not cause short-
circuiting of the system
11 The permitted amounts of surface area and/or volume have been
provided
12 Required drawdown devices are correctly sized per the approved plans
13 All required design depths are provided
14 All required parts of the system are provided, such as a vegetated shelf, a
forebay, and the vegetated filter
15 The required dimensions of the system are provided, per the approved
plan
cc NCDENR-DWQ Regional Office
Delaney Aycock, Brunswick County Building Inspections
Jeff Phillips, Brunswick County Engineering
Page 8 of 8

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I 1 3 �E� {�I� Afa � IfI�Y 7 �ijM � y Q�F� ��.F.r3 V LlE oN�.. R� M � � � � � J'a{ ] 1 i i
r
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may he photocopied for use as an original
I. GENERAL INFORMATION-
1 Applicant's name (specify the name of the corporation, individual, etc who owns the project)
Bill Clark Homes of Wilmington, LLC
2 Print Owners/Signing Official's name and title (the person legally responsible for facility and compliance)
Sonya Culler, Manager
3 Mailing Address for person listed in item 2 above
430 Eastwood Road
City Wilmington State NC Zip 28403
Telephone Number 910-791-6707
4 Project Name (subdivision, facility, or establishment name - should be consistent with project name on
plans, specifications, letters, operation and maintenance agreements, etc )
Osprey Landing Subdivision
5 Location of Project (street address)
Located between Robert Ruark and NC Hwy 211 near the Town of Southport
City Wilmington County Brunswick
6 Directions to project (from nearest major intersection)
7 Latitude 33' 56' 00"N
Longitude 78' 02' 00"W
8 Contact person who can answer questions about the project
Name Tim Clinkscales, PE Telephone Number
II PERMIT INFORMATION:
[phone]
of project
l Specify whether project is (check one) x New Renewal Modification
Form S W U-101 Vernon 3 99 Pagel 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 Sediment/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
i 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
Storm water runoff is controlled by a storm drainage conveyance system flowing into 4 infiltration basins
2 Stormwater runoff from this project drains to the er T River basin
3 Total Project Area 64 13 Acres 4 Project Built Upon Area 41 67 %
5 How many drainage areas does the project have9 5
6 Complete the following information for each drainage area If there are more than two drainage areas in the
nroiect. attach an additional sheet with the information for each area nrovided in the same format as below
BasinInformatio`n,� ��',�r�,�'
�,�DA,Tof''',,'
DA,#1,,
�' ,DA'#2, ,?
a
'���1'�aDA,#3�' ,y'
P� DA#,4? ",,'
'',,DAB#5�e l?o4
Receiving Stream Name
Unnamed
Tributary of
Dutchman
Creek
Unnamed
Tributary of
Dutchman
Creek
Unnamed
Tributary of
Dutchman
Creek
Unnamed
Tributary of
Dutchman
Creek
Unnamed
Tributary of
Dutchman
Creek
Unnamed
Tributary of
Dutchman
Creek
Receiving Stream Class
SA, HQW
SA, HQW
SA, HQW
SA, HQW
SA, HQW
SA, HQW
Drainage Area
64 13 ac
31 64 ac
5 27 ac
2187 ac
4 05 ac
2 60 ac
Existing Imp* Area
0 ac
0 ac
0 ac
0 ac
0 ac
0 ac
Proposed Imp* Area
26 72 ac
16 11 ac
176 ac
7 11 ac
0 95 ac
0 79 ac
% Imp* Area (total)
41 67%
1 50 90%
1 33 40%
1 32 52% 1
23 64%
30 30%
Im`p*1 Surfa<kkctteqq�Arii !„a,ai ! `�"
t
11 j9 } 11 A $pg9 jj
I e D&Tot"F € ({
j$ E�
£�
k
'� j E{( 'fDA # 1k t 3'
ly' n
55
1 N! !�q f
�e i�iRE1fki'��YF
II
{[pp
�'TI�j`�E{Vi!=[E ligi f[
ak;"t
On -site Buildings
637,200 sf
361,800 sf
54,000 sf
194,400 sf
27,000 sf
0 sf
On -site Asphalt
526,979 sf
339,768 sf
22,651 sf
1 ] 5,434 sf
14,714 sf
34,412 sf
On -site Parking
0 sf
0 sf
0 sf
0 sf
0 sf
0 sf
On -site Sidewalks
0 sf
0 sf
0 sf
0 sf
0 sf
0 sf
Other on -site (Out
Parcels
0 sf
0 sf
0 sf
0 sf
0 sf
0 sf
Off site
0 sf
0 sf
0 sf
0 sf
0 sf
0 sf
Total
1,164,179 sf
701,568 sf
76,651 sf
309,834 sf
41,714 sf
34,412 sf
Form SWU-101 Version 3 99 Page 2 of 4

* Impervious area is defined as the built upon area including, but not limited to, buildings, roads,
parking areas, sidewalks, gravel areas, etc
7 How was the off -site impervious area listed derived?
IV DEED RESTRICTIONS AND PROTECTIVE COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
subdivisions, out parcels and future development prior to 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
The following covenants are intended to ensure ongoing compliance with state management permit
number as issued by the Division of Water Quality These
covenants my not be changed or deleted without the consent of the State
2 No more than 5400 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 out parcels 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 item 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 [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 SupplementForm 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
I Please indicate that you have provided the following required information by initialing in the space provided
next to each item
Initials
• Original and one copy of the Stormwater Management Permit Application Form 16C
• One conv of the asnlicable Sunnlement Form(s) for each BMP 'fG�
• Permit armlication arocessine fee of $420 (savable to NCDENR)
• Detailed narrative descriotion of stormwater treatment/manaaement T6L
• Two cosies of plans and saecifications. including
- Development/Project name
- 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
Designated agent (individual or firm) Paramounte Engineering, Inc
Mailing Address 5911 Oleander Drive, Suite 201
City Wilmington State NC Zip
Phone [phone] Fax [phone]
VIII APPLICANT'S CERTIFICATION
28403
I, (print or type name ofperson hsted in General Information, item 2) Sonya Culler, Manager
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 _ - A
Signature
Date
Form SWU-101 Version 3 99 Page 4 of 4

Permit No sW� t pQ 94 q—
b
(to be Provided .Y DW Q)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications showing
all stormwater conveyances and system details
I PROJECT INFORMATION
Project Name Osprey Landing
Contact Person Tim Clinkscales PE Phone Number 910 791-6707
This worksheet applies to Basin No f _ 1 _ in Drainage Area 1
(as identified on plans) (from Form SWU-101)
H. DESIGN INFORMATION — Attach supporting calculations / documentation The soils report must be based upon an
actual field investigation and soil borings County soil maps are not an acceptable source of soils information All
elevations shall be in feet mean seal level (fmsl)
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
Farm 5WU-103 Rev 3 99
Mandarin
202 oin/hrr cf/hr/sf (circle appropriate units)
14 fmsl (Seasonal High Water Table elevation)
1 5 inch (1 S inch event for SA waters, I inch event for others)
87,561 c f
041 Days
n/a ft x
169,125 c f 01
n/a ft =
d t''
16 fmsl
21 17 fmsl
24 fmsl
Page 1 of 3
10,231 sq ft (bottom dimensions)

III 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 that 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 Attach justification if a requirement has not been met.
Applicants Initials
T6 G
a System is located 50 feet from class SA waters and 30 feet from other surface waters
TG — b System is located at least 100 feet from water supply wells
2-G c Bottom of system is at least 2 feet above the seasonal high water table
1�- d Bottom of the system is 3 feet above any bedrock or impervious soil horizon
f � G e System is not sited on or in fill material or DWQ approval has been obtained
f System is located in a recorded drainage easement for the purposes of operation and
�G maintenance and has recorded access easements to the nearest public right-of-way
4 g Drainage area for the device is less than 5 acres
h Soils have a minimum hydraulic conductivity of 0 52 inches per hour and soils report is
T&e- attached
1 System captures and infiltrates the runoff from the first 1 0 inches of rainfall (1 5 inch event for
7�G areas draining to SA waters) Design volume and infiltration calculations attached
j System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage Calculations attached
k All side slopes stabilized with vegetated cover are no steeper than 3 1 (H V)
1 A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or sediment
trap is provided
m Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
'ram dense vegetative cover is provided
n Vegetated filter is provided for overflow and detail is shown on plans (required minimum length
is 50 feet for SA waters, 30 feet for other waters)
TGL o Flow distribution mechanism within the basin is provided
%K- p A benchmark is provided to determine the sediment accumulation in the pretreatment device
�! q Runoff in excess of the design volume bypasses off-line systems (bypass detail provided)
r System is designed to draw down the design storage volume to the proposed bottom elevation
under seasonal high water conditions with five days A soils report and all pertinent draw -down
'(GL calculations are attached
s Plans ensure that the installed system will meet design specifications (constructed or restored)
upon initial operation once the project is complete and the entire drainage area is stabilized
IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
l After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash
accumulation, vegetative cover, and general condition
Form SWU-103 Rev 3 99 Page 2 of 3

2 Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetated
cover to maintain a maximum height of six inches, and remove trash as needed
3 After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration Remove any blockage and repair the structure to approved design
specifications
4 Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the
pretreatment unit is reduced to 75% of the original design depth The system shall be restored to the original
design depth without over -excavating Over -excavating may cause the required water shall be separation to be
reduced and may comprise the ability of the system to perform as designed Removed sediment shall be disposed
of in an appropriate manner and shall not be handled in a manner that will adversely impact water quality (i e
stockpiling near a stormwater treatment device or stream, etc )
A benchmark shall be established in the pretreatment unit The benchmark will document the original design
depth so that accurate sediment accumulation readings can be taken The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments
1�'0
When the design depth reads feet in the pretreatment unit, the sediment shall be removed
from both the pretreatment unit and the infiltration basin.
5 If the Division determines that the system is failing, the system will immediately be repaired to original design
specifications If the system cannot be repaired to perform its design function, other stormwater control devices
as allowed by NCAC 2H 1000 must be designed, approved and constructed
I acknowledge and agree by my signature below that I am responsible for performance of the five 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 and Title Sonya Culler, Manager
Address 430 Eastwood Road, Wilmington NC 28403 _
Phone ` [phone] _ _ Date el"
Signature
Note The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a
resident of the subdivision has been named the president
1, �L�LRj,,r y of , a Notary Public for the State of /•/oQ 'e'bUa1A , County of
do hereby certify that & Y personally appeared before me this
day of AU414srZ004 , and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements Witness my hand and official seal,
SEAL µrn. �� �` .per My commission expires _s._Z tY 27, Zaal�
Id
4kIC
Form SWU-103 Rev 3 99-�'�i�cOG••....••'• *���� Page 3 of 3
i,���Nry'tNG `�%%

Permit No 5w8 oCoo gg3
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWO Stormwater Management Plan Review
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications showing
all stormwater conveyances and system details
I. PROJECT INFORMATION
Project Name Osprey Landing
Contact Person Tim Clinkscales, PE
This worksheet applies to Basin No
(as identified on plans)
Phone Number [phone]
in Drainage Area
2
(from Form SWU-101)
H DESIGN INFORMATION — Attach supporting calculations / documentation The soils report must be based upon an
actual field investigation and soil borings County soil maps are not an acceptable source of soils information All
elevations shall be in feet mean seal level (fmsl)
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
Mandarin
204 (�hr6r cf/hr/sf (circle appropriate units)
21 fins]. (Seasonal High Water Table elevation)
Np B sr
4 5 inch (15 inch event for SA waters, 1 inch event for others) V
30,179 c f
0 l 7 Days
n/a ft X n/a ft = 7909 sy ft (bottom dimensions)
55466 c f O O? 40
2300 fmsl
2556 fmsI
2700 fmsl
Form SWU-103 Rev 3 99 Page 1 of 3

III. 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 that 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 Attach justification if a requirement has not been met.
Applicants Initials
T�
a
System is located 50 feet from class SA waters and 30 feet from other surface waters
T�
b
System is located at least 100 feet from water supply wells
c
Bottom of system is at least 2 feet above the seasonal high water table
76C
d
Bottom of the system is 3 feet above any bedrock or impervious soil horizon
7GG
e
System is not sited on or in fill material or DWQ approval has been obtained
f
System is located in a recorded drainage easement for the purposes of operation and
7CL
maintenance and has recorded access easements to the nearest public right-of-way
T6c
g
Drainage area for the device is less than 5 acres
h
Soils have a minimum hydraulic conductivity of 0 52 inches per hour and soils report is
-PC
attached
i
System captures and infiltrates the runoff from the first 1 0 inches of rainfall (1 5 inch event for
-�C
areas draining to SA waters) Design volume and infiltration calculations attached
J
System is sized to take into account the runoff at the ultimate built -out potential from all
C
surfaces draining to the system, including any off -site drainage Calculations attached
Tz C
k
All side slopes stabilized with vegetated cover are no steeper than 3 1 (H V)
1
A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or sediment
rGC
trap is provided
m Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
2KK: dense vegetative cover is provided
n Vegetated filter is provided for overflow and detail is shown on plans (required minimum length
7GC is 50 feet for SA waters, 30 feet for other waters)
-rc o Flow distribution mechanism within the basin is provided
TGC p A benchmark is provided to determine the sediment accumulation in the pretreatment device
"(-GC q Runoff in excess of the design volume bypasses off-line systems (bypass detail provided)
r System is designed to draw down the design storage volume to the proposed bottom elevation
Try, under seasonal high water conditions with five days A soils report and all pertinent draw -down
calculations are attached
�C_ s Plans ensure that the installed system will meet design specifications (constructed or restored)
upon initial operation once the project is complete and the entire drainage area is stabilized
IV INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
l After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash
accumulation, vegetative cover, and general condition
Form SWU-103 Rev 3 99 Page 2 of 3

2 Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetated
cover to maintain a maximum height of six inches, and remove trash as needed
3 After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration Remove any blockage and repair the structure to approved design
specifications
4 Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the
pretreatment unit is reduced to 75% of the original design depth The system shall be restored to the original
design depth without over -excavating Over -excavating may cause the required water shall be separation to be
reduced and may comprise the ability of the system to perform as designed Removed sediment shall be disposed
of in an appropriate manner and shall not be handled in a manner that will adversely impact water quality (i e
stockpiling near a stormwater treatment device or stream, etc )
A benchmark shall be established in the pretreatment unit The benchmark will document the original design
depth so that accurate sediment accumulation readings can be taken The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments
24°
When the design depth reads 50 „ feet in the pretreatment unit, the sediment shall be removed
from both the pretreatment unit and the infiltration basin.
5 If the Division determines that the system is failing, the system will immediately be repaired to original design
specifications If the system cannot be repaired to perform its design function, other stormwater control devices
as allowed by NCAC 2H 1000 must be designed, approved and constructed
I acknowledge and agree by my signature below that I am responsible for performance of the five 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 and Title Sonya Culler, Manager
Address _ _430 Eastwood Road, Wilmington NC 28403
Phone
Signature
Date _ F/I & lap
Note The legally responsible party should not be a homeowners association unless more than SO% of the lots have been sold and a
resident of the subdivision has been named the president
I, W—VL. ,D Lq v,y , a Notary Public for the State of 2,71 &,&j_,,cta , County of
do hereby certify that �Ciw YA &u U-6-9— _ personally appeared before me this
day of Z!Ldrs 20,o, and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements Witness my hand and official seal, 0�'
7A94
`` 1111 a illb�i
�% CHLe �i
Np •��y: _
SEAL My commission expires l Y 2 ? 2v OF
.0 . 0 =
Form SWU-103 Rev 3 991,�OG•.. ;�,�..•��[,��Page 3 of 3
��i NTY NC

Permit No Swg 0(000 `t3
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied far use as an original
DWO Stormwater Management Plan Review
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications showing
all stormwater conveyances and system details
I. PROJECT INFORMATION
Project Name Osprey Landing__ .. _
Contact Person Tim Clinkscales PE Phone Number �[phone]
This worksheet applies to Basin No 1 in Drainage Area 3
(as identified on plans) (from Form SWU-101)
II. DESIGN INFORMATION — Attach supporting calculations / documentation The soils report must be based upon an
actual field investigation and soil borings County soil maps are not an acceptable source of soils information All
elevations shall be in feet mean seal level (fmsl)
Soils Report Summary
Soil Type
Mandarin
Infiltration Rate
18
or cf/hr/sf (circle appropriate units)
G
SHWT Elevation
21 50
fmsl (Seasonal High Water Table elevation)
�y,l�cTT
Design Storm
30
inch (1 5 inch event for SA waters, 1 inch event for others)
t el
��
6aI4(4w Y
Design Volume
81,593
c f
Drawdown Time
0 13
Days
Basin Dimensions
Basin Size
n/a
ft x n/a ft = 22,817 sq ft (bottom dimensions)
Basin Volume Provided
108,193
c f 10-0
f
Basin Elevations
Bottom Elevation
23 50
fmsl
Storage Elevation
2689
fmsl
Top Elevation
2750
f nsl
Form SWU-103 Rev 3 99 Page 1 of 3

III. 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 that 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 Attach justification if a requirement has not been met.
Applicants Initials
T.G a System is located 50 feet from class SA waters and 30 feet from other surface waters
b System is located at least 100 feet from water supply wells
'rGG c Bottom of system is at least 2 feet above the seasonal high water table
d Bottom of the system is 3 feet above any bedrock or impervious soil horizon
a System is not sited on or in fill material or DWQ approval has been obtained
f System is located in a recorded drainage easement for the purposes of operation and
rGG maintenance and has recorded access easements to the nearest public right-of-way
l� g Drainage area for the device is less than 5 acres
h Soils have a minimum hydraulic conductivity of 0 52 inches per hour and soils report is
TC attached
i System captures and infiltrates the runoff from the first 1 0 inches of rainfall (1 5 inch event for
TGC areas draining to SA waters) Design volume and infiltration calculations attached
j System is sized to take into account the runoff at the ultimate built -out potential from all
T6__ surfaces draining to the system, including any off -site drainage Calculations attached
Gc k All side slopes stabilized with vegetated cover are no steeper than 3 1 (H V)
1 A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or sediment
16-- trap is provided
m Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
TcC dense vegetative cover is provided
n Vegetated filter is provided for overflow and detail is shown on plans (required minimum length
Ti;G is 50 feet for SA waters, 30 feet for other waters)
-(-Gc o Flow distribution mechanism within the basin is provided
GC p A benchmark is provided to determine the sediment accumulation in the pretreatment device
T6 4f- q Runoff in excess of the design volume bypasses off-line systems (bypass detail provided)
16 C_
r System is designed to draw down the design storage volume to the proposed bottom elevation
under seasonal high water conditions with five days A soils report and all pertinent draw -down
calculations are attached
s Plans ensure that the installed system will meet design specifications (constructed or restored)
upon initial operation once the project is complete and the entire drainage area is stabilized
IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
l After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash
accumulation, vegetative cover, and general condition
Form SWU-103 Rev 3 99 Page 2 of 3

2 Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetated
cover to maintain a maximum height of six inches, and remove trash as needed
After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration Remove any blockage and repair the structure to approved design
specifications
4 Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the
pretreatment unit is reduced to 75% of the original design depth The system shall be restored to the original
design depth without over -excavating Over -excavating may cause the required water shall be separation to be
reduced and may comprise the ability of the system to perform as designed Removed sediment shall be disposed
of in an appropriate manner and shall not be handled in a manner that will adversely impact water quality (i e
stockpiling near a stormwater treatment device or stream, etc )
A benchmark shall be established in the pretreatment unit The benchmark will document the original design
depth so that accurate sediment accumulation readings can be taken The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments
24.5V
When the design depth reads 50 feet in the pretreatment unit, the sediment shall be removed
from both the pretreatment unit and the infiltration basin.
5 If the Division determines that the system is failing, the system will immediately be repaired to original design
specifications If the system cannot be repaired to perform its design function, other stormwater control devices
as allowed by NCAC 2H 1000 must be designed, approved and constructed
I acknowledge and agree by my signature below that I am responsible for performance of the five 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 and Title Sonya Culler, Manager
Address 430 Eastwood Road, Wilmington NC 28403
Phone
Signature
Date �/�I(m 1124 _
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
[, nyc- a Notary Public
//for the State of�ae;�a C A.eoLiAlA, County of
E7e , do hereby certify that Sc".J gi (.t. LcL=)e— personally appeared before me this
day of tmGu sT 20a 4 and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements Witness my hand and official seal,
��tturrrr
SEAL
Farm SWU-103 Rev 3 gg
My commission expires 'I- TO t Z Z y Zoop
Page 3 of 3

Permit No Sw g Q(9a'9q 3
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWO Storm_water Management Plan Review
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications showing
all stormwater conveyances and system details
L PROJECT INFORMATION
Project Name Osprey Landing
Contact Person Tim Clinkscales, PE Phone Number [phone]
This worksheet applies to Basin No I in Drainage Area 4
(as identified on plans) (from Form SWU-101)
H. DESIGN INFORMATION — Attach supporting calculations / documentation The soils report must be based upon an
actual field investigation and soil borings County soil maps are not an acceptable source of soils information All
elevations shall be in feet mean seal level (fmsl)
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
Mandarin
102 esl
or cf/hr/sf (circle appropriate units)
220 (Seasonal High Water Table elevation)
45 inch (1 S inch event for SA waters, I inch event for others)
17,274 c f
�a/gyp v(�
031 Days
n/a ft x n/a ft = 6928 sq ft (bottom dimensions)
42 364 c f (c-� 11 irm to(, 04
2400 fmsl
2596 fmsl
2800 fmsl
Form SWU-103 Rev 3 99 Page 1 of 3

III. 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 that 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 Attach justification if a requirement has not been met
Applicants Initials
'J�t- a System is located 50 feet from class SA waters and 30 feet from other surface waters
•c b System is located at least 100 feet from water supply wells
c Bottom of system is at least 2 feet above the seasonal high water table
'l6G d Bottom of the system is 3 feet above any bedrock or impervious soil horizon
`'& a System is not sited on or in fill material or DWQ approval has been obtained
f
System is located in a recorded drainage easement for the purposes of operation and
?cc
maintenance and has recorded access easements to the nearest public right-of-way
T4C g
Drainage area for the device is less than 5 acres
h
Soils have a minimum hydraulic conductivity of 0 52 inches per hour and soils report is
T&C
attached
i
System captures and infiltrates the runoff from the first 10 inches of rainfall (1 5 inch event for
areas draining to SA waters) Design volume and infiltration calculations attached
J
System is sized to take into account the runoff at the ultimate built -out potential from all
T6c
surfaces draining to the system, including any off -site drainage Calculations attached
k
All side slopes stabilized with vegetated cover are no steeper than 3 1 (H V)
I
A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or sediment
76c
trap is provided
m
Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
`l ;c
dense vegetative cover is provided
n
Vegetated filter is provided for overflow and detail is shown on plans (required minimum length
( d�
is 50 feet for SA waters, 30 feet for other waters)
76e o
Flow distribution mechanism within the basin is provided
T6c p
A benchmark is provided to determine the sediment accumulation in the pretreatment device
�Gc q
Runoff in excess of the design volume bypasses off-line systems (bypass detail provided)
r
System is designed to draw down the design storage volume to the proposed bottom elevation
under seasonal high water conditions with five days A soils report and all pertinent draw -down
—rs c
calculations are attached
s
Plans ensure that the installed system will meet design specifications (constructed or restored)
76G
upon initial operation once the project is complete and the entire drainage area is stabilized
IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
I After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash
accumulation, vegetative cover, and general condition
Form SWU-1Q3 Rev 3 99 Page 2 of 3

2 Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow vegetated
cover to maintain a maximum height of six inches, and remove trash as needed
3 After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration Remove any blockage and repair the structure to approved design
specifications
4 Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the
pretreatment unit is reduced to 75% of the original design depth The system shall be restored to the original
design depth without over -excavating Over -excavating may cause the required water shall be separation to be
reduced and may comprise the ability of the system to perform as designed Removed sediment shall be disposed
of in an appropriate manner and shall not be handled in a manner that will adversely impact water quality (i e
stockpiling near a stormwater treatment device or stream, etc )
A benchmark shall be established in the pretreatment unit The benchmark will document the original design
depth so that accurate sediment accumulation readings can be taken The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments
030
When the design depth reads 50 feet in the pretreatment unit, the sediment shall be removed
from both the pretreatment unit and the infiltration basin.
5 If the Division determines that the system is failing, the system will immediately be repaired to original design
specifications If the system cannot be repaired to perform its design function, other stormwater control devices
as allowed by NCAC 2H 1000 must be designed, approved and constructed
I acknowledge and agree by my signature below that I am responsible for performance of the five 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 and Title SonyaCuller, Manager
Address 430 Eastwood Road, Wilmington NC 28403
Phone
Signature ) UG'ftl r & UDUX& It Wna&' - _ - --
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 2�LA,cj-7ZA/ , a Notary Public for the State of County of
�} � Z>O .. , do hereby certify that v yA LLpersonally appeared before me this
24 day of AaAS7- , - .Z004 , and acknowledge the due execution of the forgoing infiltration
basin maintenance requirements Witness my hand and official seal,
soliirGHEFj
rrrr����i
• No '•�y%
SEAL ® ' •.-�—_ My commission expires �ctl 7 Z PP
= M. t. •
V Azlc�k
Form SWU-103 Rev 3 99 C'OU..++�•..•*���� Page 3 of 3
���4NrnituG�`���