SW8060802_CURRENT PERMIT_20211210

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO
SW8 CADO 8 O 2
DOC TYPE]
CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2021 1210
YYYYMMDD

ROY COOPER
Governor
EUZABETHS BISER
sarremry
BRIAN WRENN
Dtmror
December 10 2021
Hilton Family Investments LLC
Attn Dean Hilton Managing Member/CEO
P O Box 2107
Elizabethtown NC 28337
NORTH CAROUNA
Environinmtal Quality
Subject Permit Renewal
Post -Construction Stormwater Management Permit No SW8 060802
Durango Place
New Hanover County
Dear Mr Hilton
Effective August 1 2013 the Post -Construction Stormwater Management Program has been transferred from the
Division of Water Quality ("DWQ") to the Division of Energy Mineral and Land Resources ("DEMLR ) All
previous references to DWQ will remain in older permits issued prior to August 1 2013 until they are modified
Please note that this permit will now reference DEMLR as the Division responsible for enforcement of the permit
The Division of Energy Mineral and Land Resources received a complete 8 year Permit Renewal Application for
the subject permit on December 2 2021 The Division is hereby notifying you that permit SW8060802 has been
renewed, updated, and re issued on December 10 2021 as attached As requested, a copy of the current
operation and maintenance agreement is also enclosed Please be aware that the renewal and re issuance of this
stormwater permit does not imply that the site is currently in compliance
This permit shall be effective until September 21, 2028 and does not supersede any other agency permit that may
be required The project shall be subject to the conditions and limitations as specified therein This permit does
not impose new or increased stormwater control requirements it clarifies the rules and requirements of this
program to provide you with a better understanding of your obligations under this permit Failure to comply with
these requirements will result in future compliance problems Please note that this permit is not transferable
except after notice to and approval by the Division
If any parts requirements or limitations contained in this permit are unacceptable you have the right to request
an adjudicatory hearing by filing a written petition with the Office of Administrative Hearings (OAH) The
written petition must conform to Chapter 150B of the North Carolina General Statutes and must be filed with the
OAH within thirty (30) days of receipt of this permit You should contact the OAH with all questions regarding
the filing fee (if a filing fee is required) and/or the details of the filing process at 6714 Mail Service Center
Raleigh, NC 27699 6714 or via telephone at 919-431 3000 or visit their website at www NCOAH com Unless
such demands are made this permit shall be final and binding
If you have any questions concerning this permit, please contact Ashley Smith in the Wilmington Regional
Office at [phone] or ashleym smith@ncdenr gov
Sincerely
4C
5�; Brian Wrenn, Director
Division of Energy Mineral and Land Resources
D_E Q�� North Carolina Department of E vironmental Qual ty I DMnon of Fnergy Mineral a d La d Resources
wdmingto Regional office 1 127 Cardinal Drt a Extension I WRrm gton, North Ca Lna 28405
"�� / 9107%7215

State Stormwater Permit No SW8 060802
Page 2 of 2
Enclosures Attachment C — Permitting History
Renewal Application Documents
Copy of the current operation and maintenance agreement
DES/ams \\\Stormwatff\Perrmts & Projects\2006\060802 HD\202I 12 permit 060802
cc Wilmington Regional Office Stormwater File
."00
D Z North Car Rna D partment of EnAromne tallhoes Qualay I DMston of Energy honer and Land Rources
Wilmington Regional OM I L77 Cardinal on Ez slo I Wilmington. North Carolina 28405
9107967215

Post Construction Stormwater Management
Permit No SW8 060802
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY MINERAL AND LAND RESOURCES
POST CONSTRUCTION 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
Hilton Family Investments LLC
Durango Place
222 Lullwater Drive Wilmington New Hanover County
FOR THE
construction operation and maintenance of a wet detention pond in compliance with the provisions of
15A NCAC 2H 1000 (hereafter referred to as the stormwater rules) and as outlined in the
application approved stormwater management plans supplement calculations operation and
maintenance agreement recorded documents specifications and other supporting data (the
approved plans and specifications ) as attached and/or on file with and approved by the Division of
Energy Mineral and Land Resources (the Division or DEMLR ) The project shall be constructed
operated and maintained in accordance with these approved plans and specifications The approved
plans and specifications are incorporated by reference and are enforceable part of this permit
This permit shall be effective from the date of issuance until September 21 2028 and shall be subject
to the following specified conditions and limitations The permit issued shall continue in force and
effect until the permittee files a request with the Division for a permit modification transfer renewal or
rescission however these actions do not stay any condition The issuance of this permit does not
prohibit the Director from reopening and modifying the permit revoking and reissuing the permit or
terminating the permit for cause as allowed by the laws rules and regulations contained in Title 15A
NCAC 2H 1000 and NCGS 143 215 1 et al
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 2 of this permit The stormwater control has been designed to
handle the runoff from 45 057 square feet of impervious area
3 The tract will be limited to the amount of built upon area indicated on page 2 of this permit and
per approved plans This permit provides no allocation for any future built upon area
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 1 of 5

Post Construction Stormwater Management
Permit No SW8 060802
The runoff from all built upon area within the permitted drainage area of this protect must be
directed into the permitted stormwater control system
6 The following design criteria have been provided in the wet detention pond and must be
maintained at design condition
a Drainage Area acres
235
Onsite ft2
102 171
Offsite ft2
0
b Total Impervious Surfaces ft2
45 057
c Design Storm inches
1 0
d Pond Depth feet
60
e TSS removal efficiency
90%
f Permanent Pool Elevation FMSL
440
g Permanent Pool Surface Area ft2
3 105
h Permitted Storage Volume ft3
5 775
1 Temporary Storage Elevation FMSL
455
t Controlling Orifice
0 75 0 pipe
k Permitted Forebay Volume ft3
1 917
1 Receiving Stream/River Basin
UT Smith Creek / Cape Fear
m Stream Index Number
18 74 63
n Classification of Water Body
C SW
II SCHEDULE OF COMPLIANCE
1 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
3 The permittee shall at all times provide the operation and maintenance necessary to assure
the permitted stormwater system functions at the design condition The approved Operation
and Maintenance Plan must be followed in its entirety and maintenance must occur at the
scheduled intervals including but not limited to
Semiannual scheduled inspections (every 6 months)
Sediment removal
Mowing and revegetation of slopes and the vegetated filter
Immediate repair of eroded areas
Maintenance of all slopes in accordance with approved plans and specifications
Debris removal and unclogging of outlet structure orifice device flow spreader catch
basins and piping
Access to the outlet structure must be available at all times
4 Records of maintenance activities must be kept and made available upon request to
authorized personnel of DEMLR The records will indicate the date activity name of person
performing the work and what actions were taken
Decorative spray fountains are allowed in the pond subject to the following criteria
a The minimum permanent pool volume is 30 000 cubic feet
b The fountain must draw its water from less than 2 below the permanent pool surface
c 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
d The fountain may not be placed into the forebay
e The falling water from the fountain must be centered in the main pond away from the
shoreline
f The maximum horsepower for a fountain in this pond is 1/8 horsepower
Page 2 of 5

Post Construction Stormwater Management
Permit No SW8 060802
6 The facilities shall be constructed operated and maintained in accordance with the provisions
of this permit the approved plans and specifications and the supporting documents attached
to this permit and on file with the Division
7 Upon completion of construction prior to issuance of a Certificate of Occupancy and prior to
operation of this permitted facility a certification must be received from an appropriate
designer for the system installed certifying that the permitted facility has been installed in
accordance with this permit the approved plans and specifications and other supporting
documentation Any deviations from the approved plans and specifications must be noted on
the Certification A modification may be required for those deviations
8 If the stormwater system was used as an Erosion Control device it must be restored to design
condition prior to operation as a stormwater treatment device and prior to occupancy of the
facility
9 Access to the stormwater facilities shall be maintained via appropriate easements at all times
10 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
11 No person or entity including the permittee shall alter any component shown in the approved
plans and specifications Prior to the construction of any modification to the approved plans
the permittee shall submit to the Director and shall have received approval for modified plans
specifications and calculations including but not limited to those listed below For changes to
the protect or SCM that impact the certifications a new or updated certification(s) as
applicable will be required and a copy must be submitted to the appropriate DEQ regional
office upon completion of the modification
a Any modification to the approved plans and specifications regardless of size including
the SCM(s) BUA details etc
b Redesign or addition to the approved amount of BUA or to the drainage area
c Further development subdivision acquisition lease or sale of any all or part of the
protect and/or property area as reported in the approved plans and specifications
d Altering modifying removing relocating redirecting regrading or resizing of any
component of the approved SCM(s) the stormwater collection system and/or
vegetative conveyance shown on the approved plan
e The construction of any allocated future BUA
f The construction of any permeable pavement #57 stone area public trails or
landscaping material to be considered a permeable surface that were not included in
the approved plans and specifications
g Other modifications as determined by the Director
III GENERAL CONDITIONS
1 CORRECTIVE ACTIONS REQUIRED If the facilities fail to perform satisfactorily the
permittee shall take immediate corrective actions This includes actions required by this
Division and the stormwater rules such as the construction of additional or replacement on site
stormwater systems These additional or replacement measures shall receive a permit from
the Division prior to construction
2 PERMIT RENEWAL A permit renewal request must be submitted at least 180 days prior to
the expiration date of this permit The renewal request must include the appropriate
application documentation and the processing fee as outlined in Title 15A NCAC
02H 1045(3)
3 CHANGES TO THE PROJECT NAME PERMITTEE NAME OR CONTACT INFORMATION
The permittee shall submit a completed Permit Information Update Application Form to the
Division within 30 days to making any one of these changes
Page 3 of 5

Post Construction Stormwater Management
Permit No SW8 060802
4 TRANSFER This permit is not transferable to any person or entity except after notice to and
approval by the Director Neither the sale of the protect and/or property in whole or in part nor
the conveyance of common area to a third party constitutes an approved transfer of the permit
TRANSFER REQUEST The transfer request must include the appropriate application
documentation and the processing fee as outlined in 15A NCAC 02H 1045(2) This
request must be submitted within 90 days of the permit holder meeting one or more of
the following
i A natural person who is deceased
n A partnership limited liability corporation corporation or any other business
association that has been dissolved
ui A person or entity who has been lawfully and finally divested of title to the
property on which the permitted activity is occurring or will occur through
foreclosure bankruptcy or other legal proceeding
IV A person or entity who has sold the property in whole or in part on which the
permitted activity is occurring or will occur
TRANSFER INSPECTION Prior to transfer of the permit a file review and site
inspection will be conducted by Division personnel to ensure the permit conditions
have been met and that the protect and the on site stormwater system complies with
the permit conditions Records of maintenance activities performed to date may be
requested Protects not in compliance with the permit will not be transferred until all
permit and/or general statute conditions are met
5 COMPLIANCE The permittee is responsible for compliance with the terms and conditions of
this permit until the Division approves the transfer request
a APPROVED PLANS AND SPECIFICATIONS A copy of this permit approved plans
application supplement operation and maintenance agreement all applicable
recorded documents and specifications shall be maintained on file by the permittee at
all times
b DIVISION ACCESS The permittee grants Division Staff permission to enter the
property during normal business hours to inspect all components of the permitted
protect
c ENFORCEMENT Any individual or entity found to be in noncompliance with the
provisions of a stormwater management permit or the requirements of the stormwater
rules is subject to enforcement procedures as set forth in NCGS 143 Article 21
d ANNUAL CERTIFICATION The permittee shall electronically submit to the Division an
annual certification completed by either the permittee or their designee confirming the
protects conformance with permit conditions
e OBTAINING COMPLIANCE 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 modified plans and certification in writing to the Director that the
changes have been made
f OTHER PERMITS The issuance of this permit does not preclude the permittee from
complying with and obtaining any other permits or approvals that are required for this
development to take place as required by any statutes rules regulations or
ordinances which may be imposed by any other Local State or Federal government
agency having jurisdiction Any activities undertaken at this site that cause a water
quality violation or undertaken prior to receipt of the necessary permits or approvals to
do so are considered violations of NCGS 143 215 1 and subject to enforcement
procedures pursuant to NCGS 143 215 6
Page 4 of 5

Post Construction Stormwater Management
Permit No SW8 060802
Permit renewed updated and reissued this the 10th day of December 2021
NORTH CAROLINA ENVIRQNMENTAL MANAGEMENT COMMISSION
,q" Brian Wrenn Ui ectee
Division of Energy Mineral and Land Resources
By Authority of the Environmental Management Commission
Page 5 of 5

Attachment C Permitting History
Durango Place
Permit No SW8 060802
Approval
Date
Permit
Action
BIMS
Version
Description of the Changes
9/10/2006
Original
Approval
10
9/21/2012
Transfer
1 1
From Tommy Davis
Construction to Hilton
Family Investments LLC
12/10/2021
Renewal
20
Expires September 21 2028

IFMI k U,tiF ONLY
Date Received
Fee Paid
Permit Number
IV)D
/ j r—
ScJ9 DAD O t
NC DEQ Division of Energy Mineral and Land Resources
STATE STORMWATER
PERMIT RENEWAL APPLICATION FORM
In accordance with 15A NCAC 2H 1045(3), the current permit holder shall renew their high density permit 180 days
prior to its expiration Renewed permits are valid for a period of 8 years per Session Law 2011 398 (SB 781)
Section 60 (c) This application form is for permit renewals only
A PROJECT INFORMATION
1 State Stormwater Permit Number SW g 0(0080a
2 Project name bJcgn!o-D 2\0-(P
3 Project street add1ress ?0\ Pofanoo Fey.
City \.T,\m ry5T
County
4 What if any changes have been made to the project as permitted?
M
ZIP a$4_a3
If the project has changed from the original approved plans please complete SWU 101 fora Major
Modification or Minor Modification Application form available at https //deg nc gov/about/divisions/energy-
mineral land resources/energy mineral land rules/stormwater program/post construction
B PERMITTEE INFORMATION
If changes to the permittee or project name have been made please complete either the Permit Update form
or the Permit Transfer form available at https //deg nc gov/about/divisions/energv mineral land
resources/energy mineral land rules/stormwater program/post construction State Stormwater Permits do not
automatically transfer with the sale of the property
1 Current Permit Holders Company Name/Organization 4A,"-Cy, �Cky�j`! 1 t,C,
2 Signing Officials Name �>' n "AA-0"
i
3 Signing Officials Title CEO
4 rvioding Address QO E) 3 t�1
City F,\,7Pbf°-i\^r` YN State _ZIP 31
5 Street Address (o td-1 R� Greerv°
City State P�)(. ZIP
6 Phone t0 ) )(n--1400 Email {eG @h,\FuY car ar, es Co n
j
DEC 0 2 2021
ey
Stormwater Permit Renewal Form Pag 1 o 3 May 11 2018

C SUBMITTAL REQUIREMENTS
Submit the application package to the appropriate DEMLR Regional Office (Coastal SA Waters) or DEMLR
Central Office (Urbanizing Areas Ph 2 USMP Non Coastal HQW/ORW) Only applications packages that
include all required items listed below will be accepted and reviewed
Initial each item below to indicate that the required information is provided in the application package
n! V� 1 A permit application processing fee of $505 00 payable to NCDEQ
2 One original signed hard copy and one electronic copy of this completed form The signing official
named on this application to represent the current permittee must meet one of the following
a Corporation — a principle executive officer of at least the level of vice president
b Limited Liability Company (LLC) — a manager or company official as those terms are defined
in G S 57D North Carolina Limited Liability Company Act
c Public Entity — a principal executive officer ranking official or other duly authorized employee
d Partnership or limited partnership — the general partner
e Sole proprietor or
f Letter of authorization signed by one of the signatories noted in a — e above authorizing the
signature of another entity
3 One hard copy and one electronic copy of recorded documents required by the original permit that
have not yet been received by DEMLR including deed restrictions protective covenants
condominium/planned community declaration and easements If the project has been built include
documentation that the maximum BUA per lot or maximum total BUA has not been exceeded If
the project has not been built include a signed agreement that the final recorded deed restrictions
and protective covenants will be submitted at a later date
4 O&M Agreements Please select one
❑ 1 have a copy of the current recorded O&M Agreement for all SCMs and I will continue to
keep this on file with the permit or
I do not have a copy of the current recorded O&M Agreement for all SCMs and am
requesting a copy be sent to me I agree to keep this on file with the permit
5 Die tgner Certifications Please select one
J A copy of the certification(s) confirming that the project was built in accordance with the
approved plans have been previously provided to the Division or
❑ A copy of the certification(s) confirming that the project was built in accordance with the
approved plans are enclosed or
❑ The proje, has no ye been built
6 [IF APPLICABLE] If the project has been built one original hard copy and one electronic copy of a
signed sealed and dated letter from a licensed professional stating that the SCMs have been
inspected and that they have been built and maintained in accordance with the permit
,( �a 7 [IF APPLICABLE] When the permittee is a corporation or a limited liability corporation (LLC)
Provide one hard copy and one electronic copy of documentation from the NC Secretary of State
or other official documentation which supports the titles and positions held by the persons listed in
Section C 2 per 15A NCAC 2H 1043(3)(b)
httos //www sosnc gov/online services/search/by title/ Business Registration
cc FCilee
DEC 01 1021
BY_
Slormwater Permit Renewal Application Form Page 2 of 3 May 11 2018

D PERMITTEE S CERTIFICATION
C iJ /0r the person legally responsible for the permit certify that I have
a copy of the Permit and O&M Agreement on site (or I will obtain a copy and it will be kept on site) that I am
responsible for the performance of the maintenance procedures and the site has been and will be maintained
according to the O&M Agreement and approved plans I agree to notify DEMLR of any problems with the SCMs
or built upon area and to submit the proper forms to modify or transfer the permit prior to any changes to the
protect SCMs or ership All information provided on this permit renewal application is to the best of my
knowledge cor ct an om fete
Signature Date a6/ /Z S
NOTARIZATION
I J�\\ \ syn Ray V) I) a Notary Public for the State of
tAIDYAYYI C OI.Yp kt nA County of 'z t adzx-% do hereby certify
that O,Q 0-0 t" � li+rn/-) personally appeared before me
tt D�eggR 4';r'' day of Q UV-CMV--)eA- 20_-1 and acknowledge the due
,) ecution of iNfloing instrument Witness my hand and official seal
Q �OTARl,
(Notary Sea
I� jOUBO 2
9�.iaw>'e Q-A-R-uJeu�c�.�ow
My commission expires
Az C�; �6 �
BY DEL 022021
Stormwater Permit Renewal Application Form Page 3 of 3 May 11 2018

Permit No 5w,9 a0o $cU2
(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
DWO Stormwater Management Plan Review
A complete stormwater management plan submittal includes a wet detention basin supplement for each basin
design calculations plans and specifications showing all basin and outlet structure details and a signed and
notarized operation and maintenance agreement
I PROJECT INFORMATION (please complete the following information)
Project Name Durango Place
Contact Person Charles Cazier Phone Number (910 1 763 5100
For projects with multiple basins specify which basin this worksheet applies to 1
elevations
Basin Bottom Elevation
380
ft
Permanent Pool Elevation
440
ft
Temporary Pool Elevation
455
ft
areas
Permanent Pool Surface Area
3,105
sq ft
Drainage Area
235
ac
Impervious Area
1 03
ac
volumes
Permanent Pool Volume
Temporary Pool Volume
Forebay Volume
Other parameters
SA/DA'
Diameter of Orifice
Design Rainfall
Design TSS Removal2
(floor ofthe basin)
(elevation of the orifice)
(elevation of the discharge structure overflow)
(water surface area at the orifice elevation)
(on site and off site drainage to the basin)
(on site and off site drainage to the basin)
9,714 cu ft (combined volume of main basin and forebay)
_ 51775 cu ft (volume detained above the permanent pool)
1,917 cu ft (approximately 20% of total volume)
00258 (surface area to drainage area ratio from DWQ table)
075 in (2 to 5 day temporary pool draw down required)
1 in
90 % (minimum 85% required)

Footnotes
I When using the Division SA/DA tables the correct SA/DA ratio for permanent pool sizing should be computed based upon the
actual impervious A 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
12m14 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 total basin volume
?tom 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
%i-04 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 to be performed prior to use as a wet detention basin
m A mechanism is specified which will dram the basin for maintenance or an emergency
* Pump will be provided for maintenance or 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) ❑ does X does not incorporate a vegetated filter at the outlet
This system (check one) ❑ does X 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
After every significant runoff producing rainfall event and at least monthly
a Inspect the wet detention 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
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
Inspect and repair the collection system (i a catch basins piping swales nprap 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 not be handled in a manner that will adversely impact water quality
(i a 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 45 feet in the main pond the sediment shall be removed
When the permanent pool depth reads 225 feet in the forebay the sediment shall be removed
Sediment Removal El 41 75
Bottom Ei evanon 410
FOREBAY
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation 44 0
Sediment Removal Elevation 39 5 1 75 /
Bottom Elevation 380 425
MAIN POND
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
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 possible

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 Tommv Davis
Title Yressdrnt"
Address 6423 Hawksbill Drive Wilmington, NC 28409
19
Date
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 J & C a Notary Public for the State of North Carolina
County of � 06,fK do hereby certify that lo 7?_1 _D I/%
personally appeared before me this day of T r% 2006 and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements Witness my hand and official seal
rfD,0,1(, C A&"-,Ct
SEAL
My commission expires (0 - n
Form SWU 102 Rev 3 99 Page 4 of 4

TE 06005
State Stormwater Management Systems
Permit No SW8 060802
Durango Place
Stormwater Protect No SW8 060802
New Hanover County
Engineer s Certification
I Phillip G Tripp as a duly registered Professional Engineer in the
State of North Carolina having been authorized to observe (period icallyAveekWf40
tie) the construction of the protect
Durango Place
(Project)
for Tommy Davis Construction (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 specifications
Signature 3 (0
Registration Number 17374
Date
4UG 1 7 2012
SEAL
�O OFESSlG+ i.L�..
SEAL _
21 17374 r C

State Stormwater Management Systems
Permit No SW8 060802
Certification Requirements Page 2 of 2
1 The drainage area to the system contains approximately the permitted
acreage
-=L-�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 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
_QL_7 Trash rack is provided on the outlet/bypass structure
0 8 All slopes are grassed with permanent vegetation
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
U13 All required design depths are provided
�P,14 All required parts of the system are provided such as a vegetated shelf
and a forebay
15 The required system dimensions are provided per the approved plan