SW8030734_CURRENT PERMIT_20040318

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
5W W�0757'
DOC TYPE
FIOURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
� �D3(Y
YYYYMMDD

W'.-c
WArFMichael F Easley, Governor
O- William G Ross Jr, Secretary
7 North Carolina Department of Environment and Natural Resources
1Alan W Klimek, P E Director
Division of Water Quality
Coleen H Sullins, Deputy Director
Division of Water Quality
March 18, 2004
Mr Allen Wooten
8155 Malpass Corner Road
Curne, NC 28435
Subject Permit No SW8 030734
Hampstead Marine Storage
High Density Stormwater Project
Pender County
Dear Mr Wooten
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for Hampstead Marine Storage on March 18, 2004 Staff review of the plans and
specifications has detennmed 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 030734
dated March 18, 2004, for the construction of Hampstead Marine Storage
This permit shall be effective from the date of issuance until March 18, 2014, 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 pen -nit are unacceptable, you
have the right to request an adjudicatory hearing upon written request within thirty (30) days
following receipt of this permit This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, P 0 Drawer 27447, Raleigh, NC 27611-7447 Unless such demands
are made tins permit shall be final and binding
If you have any questions, or need additional information concerning this matter, please
contact Laurie Munn, or me at [phone]
Sincerely,
Rick Shiver
Water Quality Regional Supervisor
RSS/ Ism S IWQSISTORMWATIPERMIT1030734 mar04
cc Mark Walton, P E
Pender County Building Inspections
Laune Munn
Wilmington Regional Office
Central Files
N C Division of Water Quality 127 Cardinal Drive Extension [phone] Customer Service
Wilmington Regional Office Wilmington, NC 28405 [phone] Fax [phone]

State Stormwater Management Systems
Permit No SW8 030734
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
Mr Allen Wooten
Hampstead Marine Storage
Pender County
FOR THE
construction, operation and maintenance of an infiltration basin 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 March 18, 2014, and shall be
subject to the following specified conditions and limitations
I. DESIGN STANDARDS
1 This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data
2 This stormwater system has been approved for the management of stormwater runoff as
described on page 3 of this permit, the Project Data Sheet The stormwater control has
been designed to handle the runoff from 93,207 square feet of impervious area This pond
must be operated with a vegetated filter
3 The tract will be limited to the amount of built -upon area indicated on page 3 of this
permit, and per approved plans
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
5 The runoff from all built -upon area within the permitted drainage area of this project must
be directed into the permitted stormwater control system A permit modification must be
submitted and approved prior to the construction of additional built -upon area from
outside of the approved drainage area
2

State Stormwater Management Systems
Permit No SW8 030734
Project Name
Permit Number
Location
Applicant
Mailing Address
DIVISION OF WATER QUALITY
PROJECT DESIGN DATA SHEET
Hampstead Marine Storage
SW8 030734
Pender County
Application Date
Receiving Stream/River Basin
Stream Index Number
Classification of Water Body
Drainage Area, acres
Onsite, sq ft
Offsite, sq ft
Total Impervious Surfaces, sq ft
Pond Depth, feet
Bottom Elevation, FMSL
Bottom Surface Area, ft2
Permitted Storage Volume, ft3
Temporary Storage Elevation, FMSL
Seasonal High Water Table Elev
Type of Soil
Expected Infiltration Rate
Time to Draw Down
Mr Allen Wooten
8155 Malpass Comer Road
Currie, NC 28435
March 18, 2004
Mill Creek (Betts Creek) / Cape Fear
CPF 24 18-87-14
"SA HQW"
395
171,970
none
93,207
40
510
2,710
12,103
540
490
Loamy Sand
7 3 inches per hour
7 hours
3

State Stormwater Management Systems,
Permit No SW8 030734
II. SCHEDULE OF COMPLIANCE
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
2 During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately
The permittee shall at all times provide the operation and maintenance necessary to assure
the permitted stormwater system functions at optimum efficiency The approved
Operation and Maintenance Plan must be followed in its entirety and maintenance must
occur at the scheduled intervals including, but not limited to
a Semiannual scheduled inspections (every 6 months)
b Sediment removal
c Mowing and revegetation of slopes and the vegetated filter
d Immediate repair of eroded areas
e Maintenance of all slopes in accordance with approved plans and specifications
f Debris removal and unclogging of outlet structure, onfice device, flow spreader,
catch basins and piping
g Access to the outlet structure must be available at all times
4 Records of maintenance activities must be kept and made available upon request to
authorized personnel of DWQ The records will indicate the date, activity, name of
person performing the work and what actions were taken
5 The facilities shall be constructed as shown on the approved plans 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-
6 Upon completion of construction, prior to issuance of a Certificate of Occupancy, and
prior to operation of this permitted facility, a certification must be received from an
appropriate designer for the system installed certifying that the permitted facility has been
installed in accordance with this permit, the approved plans and specifications, and other
supporting documentation Any deviations from the approved plans and specifications
must be noted on the Certification A modification may be required for those deviations
7 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 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 any item shown on the approved plans, including the stormwater
management measures, built -upon area, details, etc
b Project name change
c Transfer of ownership
d Redesign or addition to the approved amount of built -upon area or to the drainage
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
4

State Stormwater Management Systems
Permit No SW8 030734
4 The permittee shall submit final site layout and grading plans for any permitted future
areas shown on the approved plans, prior to construction If the proposed BUA exceeds
the amount permitted under this permit, a modification to the permit must be submitted
and approved prior to construction
10 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
11 At least 30 days prior to the sale or lease of any portion of the property, the permittee
shall notify DWQ and provide the name, mailing address and phone number of the
purchaser or leasee An access/maintenance easement to the stormwater facilities shall be
granted in favor of the permittee if access to the stormwater facilities will be restricted by
the sale or lease of any portion of the property
12 The permittee must maintain compliance with the proposed built -upon area and ensure
that the runoff from all the built -upon is directed into the permitted system
13 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
14 The permittee must maintain the current permitted drainage area No additional runoff
from outside of the permitted drainage area boundary may enter the permitted stormwater
facilities without first applying for and receiving a permit modification
III. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director In the
event of a change of ownership, or a name change, the permittee must submit a formal
permit transfer request to the Division of Water Quality, accompanied by a completed
name/ownership change form, documentation from the parties involved, and other
supporting materials as may be appropriate The approval of this request will be
considered on its merits and may or may not be approved The permittee is responsible
for compliance with all permit conditions until such time as the Division approves the
transfer request
2 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
3 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) wluch have jurisdiction
4 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
5 The permittee grants DENR Staff permission to enter the property during normal business
hours for the purpose of inspecting all components of the permitted stormwater
management facility
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
5

State Stormwater Management Systems,
Permit No SW8 030734
7 Unless specified elsewhere, permanent seeding requirements for the stormwater control
must follow the guidelines established in the North Carolina Erosion and Sediment
Control Planning and Design Manual
8 Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit
9 The permittee shall notify the Division any name, ownership or mailing address changes
within 30 days
Permit issued this the 18th day of March 2004
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Alan W Klimek, P E , Director
Division of Water Quality
By Authority of the Environmental Management Commission
C

State Stormwater Management Systems
Permit No SW8 030734
Hampstead Marine Storage
Stormwater Permit No SW8 030734
Pender County
Designer's Certification
I, , as a duly registered
in the State of North Carolina, having been authorized to observe (penodically/weekly/full time)
the construction of the project,
(Project)
for (Project Owner) hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the project'construction such
that the construction was observed to be built within substantial compliance and intent of the
approved plans and specifications
The checklist of items on page 2 of this form is included in the Certification
Noted deviations from approved plans and specification
Signature
Registration Number
Date
�` AE"
FA

State Stormwater Management Systems
Permit No SW8 030734
I
I
Certification Requirements
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 project is graded such that the runoff
drains to the system
4 The outletibypass structure elevations are per the approved plan
5 The outlet structure is located per the approved plans
6 Trash rack is provided on the outlet/bypass structure
7 All slopes are grassed with permanent vegetation
8 Vegetated slopes are no steeper than 3 1
9 The inlets are located per the approved plans and do not cause short-circuiting of
the system
10 The permitted amounts of surface area and/or volume have been provided
I 1 Required drawdown devices are correctly sized per the approved plans
12 All required design depths are provided
13 All required parts of the system are provided, such as a vegetated shelf, and a
forebay
14 The overall dimensions of the system, as shown on the approved plans, are
provided
cc NCDENR-DWQ Regional Office
Pender County Building Inspections
N.

•
1�+y♦
J.k�
Date Received
Fee Paid
Pernut Number
31 03
lo51 a, -J Li Zp !�J?
5w? 0 30 -7 3
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)
Allen Wooten- Owner
2 Print Owner/Signing Official's name and title (person legally responsible for facility and compliance)
Allen Wooten- Owner
3 Mailing Address for person listed in item 2 above
8155 Malpass Corner Rd
City Currie State NC
Telephone Number ( 910 ) 2 8 3 -, 5 4 4 4
.ap 28435
• 4 Project Name (subdivision, facility, or establishment name - should be consistent with project name on
plans, specifications, letters, operation and maintenance agreements, etc)
Hampstead Marine Storage
5 Location of Project (street address)
180 NC Hwy 210
City
Hampstead
County P e n d e r
6 Ihrechons to project (from nearest major intersection)
Approximately 100 yards west on Hwy 210, from intersection of NC Hwy 210
and US Hwy 17.
7 Latitude 3 4° 2 2' 04 " Longitude 770 42,4611 of project
8 Contact person who can answer questions about the project
Name R. Mark Walton Telephone Number ( 910 ) 259-4800
II PERMIT INFORMATION
101 Specify whether project is (check one)
x New Renewal 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 pernvt number N./ A .._ and its issue date (if known) N,A_
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 XSedunentation/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
Stor water runoff from project area will be conveyed to a stormwater
detention pond and forebay via grassed swales and culverts. Runoff from
11, storm will be drawn over -a period of 3.5 days.
2 Stormwater runoff from this project drains to the CAPE FEAR River basin
3 Total Project Area 3.95 acres 4 Project Built Upon Area < 60 %
5 How many drainage areas does the project have?_ 1
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
Sa fxaform ion trt '" �x
'vie. �'osYw�n+Mzx�c»>As.-z>.. p 1c� t
e i c:skc €r¢c�s6iaMi's �a x,
1 ° rainag a� �
isa v> y.a ''rk
� e<Llrat nage�psr,�a
aM� uaro ¢tit-;y�
Receiving Stream Name
Mill Creek
Receiving Stream Class
SA
Drainage Area
, f .
Existing Impervious* Area
51,856 s . f .
Proposed Im ervious*Area
93,207 s. f.
% Impervious* Area (total)
iE 60%
�xn ervioiis�u�r 'ace Area
iaina Area
� �
..D4mniae Area 2 ' x
T'Y+��`:-6 k�
On -site Buildings
35,156 s f.
On -site Streets
58,051 s. f
On -site Parking
On -site Sidewalks
0
Other on -site
Off -site
0
Total 93 207 s f.
Total
* Impervious area is defined as the built upon area inch ding, 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 impervious area listed above derived? N A
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
The following covenants are intended to ensure ongoing compliance with state stonnwater management permit
number as issued by the Division of Water Quality These covenants may
not be changed or deleted without the consent of the State
2 No mot a than N / A square feet of any lot shall be covered by structures or impervious materials
Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar nurterial but do not include wood
decking or the water surface of swunming pools
3 Swales shall riot be filled in, piped, or altered except as necessary to piovute driveway crossings
4 Built -upon area in excess of the permitted amount requires a stale stormwater management permit modification prior to
construction
5 All permitted runoff from outparcels or futur e development shall be directed udo the permitted stotmwater control
system These connections to the stormwater control system shah! be pet fonned 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 clainung under therm, 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 stornmwater 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 forums
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

Vl 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 0
Please indicate that you have provided the following required infonration by initialing in the space
provided neat to each item
Irutials
• Original and one copy of the Stormwater Management Perrrut Application Form rk M 0
• One copy of the applicable Supplement Fonn(s) for each BMP QM0
• Permit application processing fee of $420 (payable to NCDENR)
• Detailed narrative description of stormwater treatment/management
• Two copies of plans and specification, 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
- Ongmal 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 (mcluduig 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 irnforrnahon on your
behalf, please complete this section.
Designated agent (individual or h=) Walton „ Engineering R . Mark Walton
Mading Address PO Bgx 895
City Burgau State NC
Phone ( 910 ) 250-4800 Fax ( 910
VIII. APPLICANT"S CERTIFiCATION
Zip
2842E
259-1779
I, (print or type name of per son listed in General infornwtwn, item 2) Allen Wooten
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 i
Signature'
Date , 0" 3 o- 03
•
Form SWU-101 Version 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
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied far 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 Hampstead Marine Storage
Contact Person R. MarkT'Walton Phone Number [phone]
This worksheet applies to Basin No 1 in Drainage Area 1
(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 bonngs County soil maps are not an acceptable
source of soils information All elevations shall be in feet mean sea level (fmsl)
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Basin Design Parameters
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
See Soil Report
7.3 in/hr or cf/hr/sf (circle appropriate units)
54 9 ' (v a r i e st nsl (Seasonal High Water Table elevation)
1.5 inch (1 S inch event for SA waters, I inch event for others)
11,522 cf
e- 5 days
ft x ft = 2 , 710 sq ft (bottom dimensions)
12,104 cf
51 fmsl
54 fmsl
5 5 fms]
Form SWU-l03 Rev 3 99 Page 1 of 3

II1. 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
a System is located 50 feet from class SA waters and 30 feet from other surface waters
KOA 0%-,' 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
d Bottom of the system is 3 feet above any bedrock or impervious soil horizon
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
maintenance and has recorded access easements to the nearest public right-of-way
g Drainage area for the device is less than 5 acres
(k/ h Soils have a minimum hydraulic conductivity of 0 52 inches per hour and soils report is
attached
r System captures and infiltrates the runoff from the first 1 0 inch of rainfall (1 5 inch event
for areas draining to SA waters ) Design volume and infiltration calculations attached
(-NSW J System is sized to take into account the runoff at the ultimate built -out potential from all
p 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 in Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches
or dense vegetative cover is provided
n Vegetated filter is provided for overflow and detail is shown on plans (Required rmmmum
length is 50 feet for SA waters, 30 feet for other waters)
o Flow distribution mechanism within the basin is provided
R,N11V 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 within 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
Form SWU-103 Rev 3 99 Page 2 of 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
1 After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion,
trash accumulation, vegetative cover, and general condition
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
table separation to be reduced and may compromise 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 a 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
When the design depth reads 0.5 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 the 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 Allen Wooten/owner
Address 8155 Malpass Corner Rd , Currie, NC 28435
Phone 910-2B�-5444
Signature
Date 3-10-04
Note The legally responsible parry 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 N C — , County of
T_RY�a &c ..M hereby certify that�. LO U on k Ln personally appeared before me this
day of —SE Hj�, and acknowledge the due execution of the forgoing infiltration basin maintenance
requiremeri, t"rt, ess my hai'Y'
� � e er. •
SEAL !
Form SWU-10n*,;�it�cwA�;;�����
seal,
y commisst expires Ub-OS'
Page 3 of 3

�I
State Stormwater Management Systems
Permit No SW8 030734
Hampstead Marine Storage
Stormwater Permit No SW8 030734
Pender County
Designer's Certification
L .. Kg T K W k l )v_., as a duly registered — ^
in the State of North Carolina, having been authorized to observe (penodi /weekly/full time)
the construction of the project,
e k 4 VA a- r �Y1_r S I 0 r k t. e
(Project)
LL C
for '�t� `�orA G (Project Owner) hereby state that, to the best of
my abihties, due care and diligence was Iged in the observation of the project construction such
that the construction was observed to be built within substantial compliance and intent of the
approved plans and specifications
The checklist of items on page 2 of this form is included in the Certification
Noted deviations from approved 1plans and specification
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JAN24 201,
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State Stormwater Management Systems
Permit No SW8 030734
Certification Requirements
NA'& k 1 The drainage area to the system contains approximately the permitted acreage
-1"*'-2 The drainage area to the system contains no more than the permitted amount of
built -upon area
�✓ 3
All the built -upon area associated with the project is graded such that the runoff
drains to the system
/
✓ 4
The outlet/bypass structure elevations are per the approved plan
✓5.
The outlet structure is located per the approved plans
±Lh__b
Trash rack is provided on the outlet/bypass structure
✓7.
All slopes are grassed with permanent vegetation
__V,I"8
Vegetated slopes are no steeper than 3 1
_Ld!!!�9
The inlets are located per the approved plans and do not cause short-circuiting of
the system
10
The permitted amounts of surface area and/or volume have been provided.
__Z11
Required drawdown devices are correctly sized per the approved plans
__L12
All required design depths are provided
✓/13
All required parts of the system are provided, such as a vegetated shelf, and a
forebay
V 14 The overall dimensions of the system, as shown on the approved plans, are
provided
cc NCDENR-DWQ Regional Office
Pender County Building Inspections
N.