SW8080912_HISTORICAL FILE_20090421

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 0 KOq ►2
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2060 0`i 21
YYYYMMDD

r
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Colleen H. Sullins
Governor Director
April 21, 2009
John C. Smith, Member -Manager
Duplin County Investment Group, LLC
P.O. Box 417
Pink Hill, NC 28572
Subject: Stormwater Permit No. SW8 080912
Villages at Longbourne
High Density Project
Onslow County
Dear Mr. Smith:
Dee Freeman
Secretary
The Wilmington Regional Office received a complete, Stormwater Management Permit
Application for Villages at Longbourne on March 6, 2009. 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 effective 1995. We are
forwarding Permit No. SW8 080912 dated April 21, 2009, for the construction of the
subject project.
This permit shall be effective from the date of issuance until April 21, 2019 and shall be
subject to the conditions and limitations as specified therein. Please pay special
attention to the Operation and Maintenance requirements in this permit. Failure to
establish an adequate system for operation and maintenance of the stormwater
management system will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you
have the right to request an adjudicatory hearing upon written request within thirty (30)
days following receipt of this permit. This request must be in the form of a written
petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed
with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-
7447. Unless such demands are made this permit shall be final and binding.
If you have any questions, or need additional information concerning this matter, please
contact Aisha Lau, or me at [phone].
Sincerely,
Georgette Cott
Stormwater Supervisor
Division of Water Quality
GDS/ahl: S:\WQS\STORMWATER\PERMIT\080912.apr09
cc: David K. Newsom, P.E., Crystal Coast Engineering, P.A.
Onslow County Building Inspections
Wilmington Regional Office
Central Files
Wilmington Regional Office
127 Cardinal Drive Extension, Wilmington, North Carolina 28405 1�rOne 1
Phone: [phone] FAX: [phone] Customer Service: 1-877-623-6748 1 V ortl t, l C aro l i na
Internet: www.ncwaterquality.org Naturally
An Equal Opportunity\ Affumalive Action Employer (/{�bt ` "

State Stormwater Management Systems
Permit No. SW8 080912
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
John C. Smith — Duplin Investment Group, LLC
Villages at Longbourne
Alden Drive & Carriage Drive, Jacksonville, Onslow County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with the
provisions of 15A NCAC 2H .1000 effective 1995 (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 April 21, 2009, and shall be subject
to the following specified conditions and limitations:
I. DESIGN STANDARDS
This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. This stormwater system has been approved for the management of stormwater runoff as
described in Section 1.6 on page 3 of this permit. Tqe stormwater control Pond 1 has
been designed to handle the runoff from 178,285 ft of impervious area.
3. The tract will be limited to the amount of built -upon area indicated on page 3 of this
permit, and per approved plans. The buil�- upon area for the future development
allocated to Pond 1 is limited to 51,567 ft .
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.
The runoff from all built -upon area within the permitted drainage areas of this project
must be directed into the permitted stormwater control systems.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 080912
6. The following design criteria have been provided in the wet detention ponds and must be
maintained at design condition:
a. Drainage Area, 9cres:
Onsite, ft :
Offsite, ft2:
b. Total Impervious Surfaces, ft2:
Buildings
Street
Parking
Sidewalks
Future
C. Design Storm, inches:
d. Pond Depth, feet:
e. TSS removal efficiency:
f. Permanent Pool Elevation, FMS�:
g. Permanent Pool Surface Areq, ft
h. Permitted Storage Volume, ft :
i. Temporary Storage Elevation, FMSL:
j. Controlling Orifice:
k. Permitted Forebay Volume, ft3:
I. Maximum Fountain Horsepower:
M. Receiving Stream/River Basin:
n. Stream Index Number:
o. Classification of Water Body:
II. SCHEDULE OF COMPLIANCE
n
Pond 1
6.16
230,548
0
178,285
49,655
43,810
31,600
1,653
51,567
1
6
90%
30.0
10,224
14,610
31.31
1.5" Q pipe
6,468
1/8
UT of Northeast Creek/WOK
19-16-(0.5)
"SC;NSW"
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.
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, orifice device, flow spreader,
catch basins and piping.
g. Access to the outlet structure must be available at all times.
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.
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.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 080912
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. Access to the stormwater facilities shall be maintained via appropriate easements at all
times.
9. 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, lease 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.
10. The permittee shall submit final site layout and grading plans for any permitted future
areas shown on the approved plans, prior to construction.
11. 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.
12. 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.
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.
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.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 080912
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) having 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.
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.
10. The permittee shall submit a permit renewal request at least 180 days prior to the
expiration date of this permit. The renewal request must include the appropriate
documentation and the processing fee.
Permit issued this the 21st day of April 2009.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW8 080912
Villages at Longbourne
Stormwater Permit No. SW8 080912
Onslow County
Designer's Certification
I, , as a duly registered
in the State of North Carolina, having been authorized to observe (periodically/ weekly/
full time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
SEAL
Page 6 of 7

State Stormwater Management Systems
Permit No. SW8 080912
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. 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,
and a forebay.
15. The required system dimensions are provided per the approved plans.
cc: NCDENR-DWQ Regional Office
Onslow County Building Inspections
Page 7 of 7

Ir ate Received
Pee Faid
ermit um er
0 11 0 9z 0 Y
p0 :
SWYO£tDk l
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality , t,C���
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied far use as an original FE2 1 2 2009
I. GENERAL INFORMATION
BY:
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
Duplin County Investment Group LLC
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
John C. Smith, Member -Manager
3. Mailing Address for person listed in item 2 above:
City:Pink Hill State:NC Zip:28572
Phone: (252 ) 568-4271 Fax:
Email:n/a
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Villages at Longboume
5. Location of Project (street address):
Intersection of Alden Drive & Carriage Drive
City:Jacksonville County:Onslow Zip:28540
6. Directions to project (from nearest major intersection):
From intersection of NC 24 & US17 east on NC24 approx. 2.9 miles to Western Blvd Left on Western Blvd
approx 1.2 miles to Huff Dr., right on Huff Dr. approx. 0.2 miles to Office Park Dr.,left on Office Park Dr.
approx. 0.2 miles to Alden Dr, right on Alden Dr.
7. Ladtude:34° 45' 48" N Longitude:77° 22' 32" W of project
8. Contact person who can answer questions about the project:
Name:David K. Newsom, PE Crystal Coast Eng. Telephone Number: (910 ) 325-0006
Em ail: crys to lcoasten gQb izec. rr.com
II. PERMIT INFORMATION:
1. Specify whether project is (check one): ®New ❑Renewal ❑Modification
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):
Form SWU-101 Version 09.25.08 Page I of 4

1. Specify whether project is (check one): ®New ❑Renewal ❑Modification
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 ®High Density ❑Redevelop ❑General Permit ❑Universal SMP ❑Other
4. Additional Project Requirements (check applicable blanks; information on required state permits can be
obtained by contacting the Customer Service Center at 1-877-623-6748):
❑CAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Industrial Stormwater
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.
Existing pond (Pond 2) was previous permitted and constructed under SW8 050111, now to be permitted under
2. Stormwater runoff from this project drains to the White Oak (New River) River basin.
3. Total Property Area: 6.16 acres 4. Total Coastal Wetlands Area: -0- acres
5. Total Property Area (3) — Total Coastal Wetlands Area (4) = Total Project Area**:6.16 acres
6. (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA):66.44 %
7. How many drainage areas does the project have?l
8. 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.
For high density projects, complete the table with one drainage area for each engineered stormwater device.
Basin Information
Drainage Area 1
Drainage Area 2
Receiving Stream Name
Pond 2
Stream Class & Index No.
SC:NSW 19-16-(0.5)
Total Drainage Area (sf)
230,548 sf
On -site Drainage Area (sf)
230,548 sf
Off -site Drainage Area (sf)
-0-
Existing Impervious* Area (sf)
18,285 sf (built w/ Longbourne
A ts)
Proposed Impervious*Area (sf)
160,000 sf
17o Impervious* Area (total)
77.33%
Impervious* Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings (sf)
49,655 sf
On -site Streets (so
18,285 sf (Exist) + 25,525 sf
On -site Parking (sf)
31,600 sf
On -site Sidewalks (sf)
1,653 sf
Other on -site (sf)
51,567 sf (future)
Off -site (so
-0-
Total (so:
178,285 sf
Form SWU-101 Version 09.25.08 Page 2 of 4

IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
One of the following property 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.
Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms htm - deed restrictions.
Form DRPC-1
High Density Commercial Subdivisions
Form DRPC-2
High Density Developments with Outparcels
Form DRPC-3
High Density Residential Subdivisions
Form DRPC-4
Low Density Commercial Subdivisions
Form DRPC-5
Low Density Residential Subdivisions
Form DRPC-6
Low Density Residential Subdivisions with Curb Outlets
By your signature below, you certify that the recorded pro erty restrictions and protective covenants for this
project shall include all the applicable items required in the above form, 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 NC DWQ, 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 Permitting Unit at [phone] for the status and
availability of these forms. Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms htm.
Form SW401-Low Density
Form SW401-Curb Outlet System
Form SW401-Off-Site System
Form SW401-Wet Detention Basin
Form SW401-Infiltration Basin
Form SW401-Infiltration Trench
Form SW401-Bioretention Cell
Form SW401-Level Spreader
Form SW401-Wetland
Form SW401-Grassed Swale
Form SW401-Sand Filter
Form SW401-Permeable Pavement
Form SW401-Cistern
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Wet Detention Basin Supplement
Infiltration Basin Supplement
Underground Infiltration Trench Supplement
Bioretention Cell Supplement
Level Spreader/Filter Strip/Restored Riparian Buffer Supplement
Constructed Wetland Supplement
Grassed Swale Supplement
Sand Filter Supplement
Permeable Pavement Supplement
Cistern Supplement
Form SWU-101 Version 09.25.08 Page 3 of 4

w
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 Office. (Appropriate office may be found by locating project on the
interactive online map at http://h2o.enr.state.nc.us/su/msi maps htm)
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
Ha s
• Original and one copy of the Stormwater Management Permit Application Form
• Original and one copy of the Deed Restrictions & Protective Covenants Form (if
required as per Part IV above)
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP
• Permit application processing fee of $505 (Express: S4,000 for HD, $2,000 for LD)
payable to NCDENR / 6
• Calculations & detailed narrative description of stormwater treatment/management 1'V
• Copy of any applicable soils report
• Two copies of plans and specifications (sealed, signed & dated), 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)
VIL AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf (such as additional information requests), please complete this section. (ex. designing engineer or firm)
Designated agent (individual or firm):David K. Newsom, PE, Crystal Coast Engineering, PA
Mailing Address:3817-3 Freedom Way
City:Hubert State:NC Zip:28539
Phone: (910 ) 325-0006 Fax: (910 ) 325-0060
Email:[e-mail]
VIII. APPLICANT'S CERTIFICATION
I, (print or type name of person listed in General Information, item 2) )ohn C. Smith , �-
certtfy that the information included on this permit applicafion form is, to the best of my knowledge, correct and
that the project will be constructed in conformance wit 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 21-1.1000.
Dater
Form SWU-101 Version 09.25.08 Page 4 of 4

Brian Jarman
From: David Newsom [crysTalolxsteag@b¢ec.rr.00ml
Sent: Monday, March 23, 2009 3:43 PM
To: 'Aisha Lau', Brian Jarman', Pascal G. Perri
Subject: RE: 2 pieces of information needed to make the Villages of Longbeurne Tracts 2 and 3 application, SVOSO&3912, complete
Attachments: EVVManagement.doc
Aisha
Hare s rev'setl aMlw•ffiion, on vrttlrh 1 have added 51Sal st (hIDne). Pascal is going b enai you a Tied d Pond 2 Details_ Futthamere, John Pm— O11-will man Your two copies of the
original sealetl drawings.
pascal
Please forward pdf M Asha.
Brain,
Please send Ashy two copies en SYvrnteater Pond 2 Details to Aisha.
- -Original Message ---
From: Aisle Lau [mailto:[e-mail]]
Sent: Thursday, March 19, 20D9 12:45 PM
To: David Newsom
Subject: 2 pieces of information needed to make the Villages of Longbourne Tracts 2 and 3 application, SW8080912, complete
Bello David,
Ijust finished re -reviewing the above mentioned application for SW NO80912, and found that there am two pieces of information that fill need before I can issue the
P.I.
1) Me 13UA dilrcrs between the pond supplement and the permit application. Them apparcntly needs to be a "future" Impervious Surface Area line added to the table
on page 2 since what is currently proposed is a smaller amount of I3UA from what was previously approved, assuming that the previously permitted amount of-BUA is
to remain the same. please correct this infionmotion appropriately so that it is consistent with the rest ofthe application materials, and return the cumded page 2 to my
attention.
2) licase provide a copy of "Stolmwater fond #2 Details for Longbou=o Apanments", previously page 7 of 10 from the modification to SWN050I I I approved on
t/19/07 to ensure That the new Pori has the complete details of the pond they will now be responsible for. If these plans have changed in any way from what was
previously pertained please provide 2 copies to ensure that the approved plans am uniform liar both DWQ's files and the new penance.
Please note that this request for additional information is in response to a preliminary review. The requested information must be received in this Office prior to
Tuewlay, March 24, or the application will be returned as incomplete. lltc =I = of a pmject will necessitate msubmittal of all required items, including the
application fee.
'11rc cunsomelion of am impervirnn st d"', either than a cor stmctirm entrance undo an apprmed Sedimentation Lnnirm Control filar, is a vidmirm of NCCR+ 143-
215.1 and is subject to enforcement action paramour to NCGS 143-215.6A.
Please reference the State assigned project number on all correspondence. Any original documents that need to be revised have been sent to the engineer or agent. All
original docunreNs must be returned or new (niginals must be provided Copies are not acceptable. If you have any questions concetmng this matter please feel free to
call me at [phone] or email me.
Take care,
Aisha norak Lau \
Enviromnoti Engineer
State SLOr'mwatev Program
NC Division Of Water Quality
127 Cardinal Drive Ext.
Wilmington, NC 28405
Phone [phone]
Fan [phone]
"Don't worry. Be happy." by McFerrin
E-m . Wince to and from this address may ho auhject to the North Caroline Public Records Law and may be disclosed to third p
Kit .-jt.,1�451jo
BY:
3/23/2009
MAR P 6 2009

JOHN L. PIERCE & ASSOCIATES, P.A.
LAND SURVEYING — LAND PLANNING — MAPPING
P.O. BOX 1685
JACKSONVILLE, NC 28541
OFFICE: [phone] FAX: [phone]
E-MAIL: bettvb(@.ilonc.com
Or brian' najIpnc.corn
TO: Ms. Aisha H. Lau
N.C. Department of Environment and Natural
Resources — Department of Stormwater
127 Cardinal Drive Extension
Wilmington, NC 28405
Letter of Transmittal
DATE:
Feburuy 11, 2009
ATTENTION:
Aisha 11. Lau
Re:
The Villages of Lon bourne s
Permit No.: SW8 080912
COPIES
DATE
NUMBER
DESCRIPTION
2
Copies of revised plan
2
Revised Stormwater applications
2.
Drainage Area Supplement Plan
1
Letter from engineer Dave Newsom
1
Narrative
FEB 1 2 2009
REMARKS:
SIGNED:�(���C

Crystal Coast Engineering, PA
3817-3 Freedom Way
Hubert, N.C. 28539
Tel: [phone] Fax: [phone]
Email: crystalcoasteng@bizec.m.00m
January 30, 2009
Aisha H. Lau
N.C. Division of Water Quality
127 Cardinal Drive Extension
Wilmington, N.C. 28405
Re: Stormwater Project No. SW8 080912
Villages of Longboume
Onslow County
Dear Ms. Lau,
RzCEgVE]E)
BY:
FEB T ^ 2009
In response to Request for Additional Information dated January 13, 2009 regarding the
referenced project, we provide the following information to allow you to continue the
stormwater review (item numbers correspond to that of your letter):
1. A-new"stand alone" StormwaterPermit_Application is attached.
2. Drainage Area Supplements (2 sheets) enclosed. Per your last review comments,
additional roof drains were added to assure all runoff from roofs is indeed diverted to
the pond.
3. Wet Detention Basin Supplement enclosed. Please note that the new spreadsheet
Supplement form does not lend itself to "old designs' (designs/permits which pre -date
adoption of the New Coastal Rules), however, we have done our best to include all
applicable data. Pond Maintenance Agreement form is also enclosed.
4. Requested additional sheets enclosed.
We are hopeful that this response addresses all concerns and that the permit can be issued
in the near future. Should you have questions or additional concerns, please feel free to
contact me.
C. Newsom,
AL COAST E

Design Calculations
Stormwater Treatment Facilities
for
Villages at Longbourne (Previously Longbourne Apartments -
located in
Jacksonville, N.C.
1. PROJECT DESCRIPTION
The Project consists of a proposed apartment complex on a 11.07 acre tract and associated sitework.
2. COMPUTE POND AREA REQUIRED
a. Compute Percent Impervious:
Impervious Areas
On -Site Buildings
On -Site Streets
On -Site Parking
On -Site Sidewalks
Other on -site
Off -site
Sub -Total
FUTURE(reserved)
Total
Total Area Drainage to Pond:
Percent Impervious =
18,285 108,433
Total
49,655 SF
43,810 SF
31,600 SF
1,653 SF
0
0
126,718 SF
51,567 SF
18,285 i60,OOO 178,285 SF
23R,548,SF
0.773 or 77.3 %
PF
.&)�. -12 2009
b. Compute Pond Surface Area
Using Surface Area t . o Drainage Area Ratio Chart for 90% TSS Removal (copy attached) and
assuming ME ; ------ �djoot pond depth:
SA/DA % (interpolated)
Therefore:
Surface Area = SA/DA x Drainage Area
10,175 SF say SF

c. Compute Minimum Pond Dimensions
Assume rectangular shape with 3:1 Length (L) to Width (W) Ratio:
Length = 175.13 feet
Width = 58.38 feet
Site conditions, however, dictate irregular shaped pond:
Hydr. Length ;y;feet
so, Hydr. Width 58.0 feet (avg)
Actual L/W = 3.0 (irregular shape)
3. DETERMINE VOLUME TO BE CONTROLLED FROM 17;STORM
Using Schuler "Simple Method":
Rv = 0.05 + 0.009(I) where I = percent impervious
Rv = 0.746 in/in
Control Volume = Design Rainfall x Rv x Drainage Area
Control Volume = 14,332 CF say 14,0!? CIF
4. DETERMINE REQUIRED STORAGE DEPTH
Assume: 3:1 side slopes
solving for depth (d) by trial & error:
d= 1.31
5. DETERMINE ORIFICE SIZE
Control Volume must be drawn down over a 2 day - 5 day period.
Using orifice equation, solve for Diameter (D) that results in 3-1/2 day period:
D = (Q / 0.026 (h) e).s
Where: Q = (Control Volume / 3.5 days x 86,400 sec/day)
0.048 cfs
h=d/2
= 0.66
Solving for D:

D = 1.51 Use ,. pipe
Actual Drawdown with actual drawdown pipe diameter (using orifice equation):
Q= 047 cfs
Draw Down Period = 3.54 days OK, < 5.0
6. SELECT OUTLET STRUCTURE DIAMETER
Size outlet structure such that depth of Q10 flow <1.0 feet:
Using Rational Formula (Q=CIA) where
Cimper =
110=:7s3:7yin/hr
A =
5.29 ac
Q10 = 26.02 cfs
Assuming 1/2 circumference is used as weir and using
Francis Formula (Q=3.33LH''S) to solve for L such that H = 1.0:
L = 7.82 Feet
Min 60 inch diameter outlet structure
Use 60 inch diameter outlet structure
7. DETERMINE Q10 STAGE
Q10 = 26.02 cfs
Using Francis Formula (Q=3.33LH"') solve for H:
H 10 = 1.00 feet
8. DETERMINE Q100 STAGE (ELEV. OF EMERGENCY SPILLWAY)
Using Rational Formula (Q=CIA) where:
Ccum = 0.69
A ::.,,.<.,.:.,5.29 ac
Q100 = 30.85
Using Francis Formula (Q=3.33LH''5) solve for H:
H100 = 1.12 feet

9. DETERMINE Q100 STAGE OVER EMERGENCY SPILLWAY (TOP BERM ELEV.)
Assume primary spillway blocked (i.e., emergency spillway to accommodate Q100)
Emergency spillway shall be a broad crested earthern weir designed to pass 100 year storm.
Using broad crested weir equation H = (Q/Cw x L)Z"'
where: Q = Q100 30.85 cfs
Cw = 3.0
Length „4iYfeet
H = 0.40 feet
10. FOREBAY SIZING
Compute Actual Pond Volumes (using average end method)
Avg Incr.
Incr.
Main Bay Volume
Elevation
Area S
Area (SF l Depth (FT)
VolC
Pond Bottom
24.00
2,169
Bottom Veg Shelf
28.33
4,613
3,391 4.33
14,683
Normal Pond
30.00
8,348j
6,481 1.67
10,822
Main Bay Volume =
Forebay Volume
Pond Bottom
Normal Pond
Forebay Volume =
Total Pond Volume =
Forebay Volume equates to
Temp Storage Volume
Normal Pond
Temp. Pond Level
Temp. Pool Volume =
10 Yr Storage Volume
Temp Pond Level
Temp. Pond Level
25,505 CF
Elevation Area (SF)Area (SF) Depth (FT l Vol (CF)
24.00 28(Y
........................... ..........................
........................... ..........................
30 00 1076.1,078 6.00 6,468
6,468 CF
31,973 CF
20.2 % of Total Volume
Cum.
VolC
14,683
25,505
Vol (CF)
.:
12,861 1.00 12,818 12,818

Temp. Pool Volume =
12,818 CF
100 Yr Storage Volume : Elevation Area (SF) Area (SF) Depth (FT) Vol (CF) Vol (CF)
Temp Pond Level 31.31 12,081
Temp. Pond Level 32 43 23,838r 12,960 1.12 14,469 14,469
Temp. Pool Volume = 14,469 CF
11. SUMMARY
Pond Elevations:
Top Berm (minimum)
H= 0.40
100-Yr. Flood
H100 = 1.12
10-Yr. Flood
H10 = 1.00
1-inch Storage
storage depth = 1,31
Permanent Pool
pond depth = 6
Pond Bottom
12. WET DETENTION BASIN SUPPLEMENT
Basin Bottom Elevation
24.00
Perm. Pool Elevation
30.00
Temp. Pool Elevation
31.31
Perm Pool Surface Area
10,224 SF
Drainage Area
5.29 AC
Impervious Area
4.09 AC
Perm. Pool Volume
31,973 CF
Temp Pool Volume
14,610 CF
Forebay Volume
6,468 CF
SA/DA
4.4132
Diameter of Orifice
1.50
Design Rainfall
1"
Design TSS Removal
90%
Belative
Actual
8.83
32.83
8.43
32.43 (emerg, weir elev)
8.31
32.31
7.31
31.31 (primary weir elev)
6.00
30.00 (invert out elev)

Beverly Eaves Perdue, Governor
i
Dee Freeman, Secretary
rNorth Carolina Department of Environment and Natural Resources
1
`C Colcen H. Sullins Director
Division of Water Qualiq
January 13,'2009
Mr. John C. Smith, Member -Manager
Duplin County Investment Group, LLC
P.O. Bois 417
Pink Hill, NC 28572
Subject: Request for Additional Information
Stormwater Project No. SW8 080912
Tracts #2 & #3 The Villages of Longbourne
Onslow County
Dear Mr. Smith:
The Wilmington Regional Office received a State Stormwater Management Permit Application
for Tracts #2 & #3 The Villages of Longbourne on December 15, 2008. A preliminary review of
that information has determined that the application is not complete as presented. Since the
parcel of land that Tracts #2 and #3 sit on, along with the land that pond 2 sits on, have been
purchased by the Duplin County Investment Group, LLC, and the permit currently covering
Longbourne Apartments was not written to accommodate an offsite permit, it will be
administratively correct to break the project into two separate stormwater systems and their
respective permits. This permit will be issued as a high density commercial project at the
same time that SW8050111 is modified in order to provide continuous permit coverage for
pond #2. The following information is needed to continue the stormwater review in this
manner:
1. Please correct page #2 of the stormwater permit application form'(SWU-$101)
eliminating SW8050111 as the "offsite" permit.
2. Please provide the corrected "Grading and Drainage Plan" (2 copies) referred to in
an e-mail to my attention from Mr. David Newsom on Friday, January 2, 2009, which
provides a more adequate delineation of the drainage from buildings 7, 8, 9, 10, and
11.
3. Please submit a completed wet detention basin supplement and signed Operation
and Maintenance Agreement form for pond #2. Be sure to use the most current
forms, which can be found at DWQ's stormwater permitting website
(http://h2o.enr.state.nc.us/su/bmpjorms.htm).
4. Please provide the updated project area and drainage area delineations on a single
sheet (2 copies). Please also provide the "Site and Landscaping Plan", "Grading
and Drainage Plan", and "Existing Conditions Map" for both tracts #2 and #3 on the
same sheets (2 copies of each).
Please remember that a change to one number may have a domino effect on other
numbers. Please check all plans, calculations and forms and make changes as
needed.
Please note that this request for additional information is in response to a preliminary review.
The requested information should be received in this Office prior to February 13, 2009, or t Aturally
application will be returned as incomplete. The return of a project will necessitate resubmittarolina
all required items, including the application fee.
Noah Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: www.ncwa(croualitvorg Fax [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycledl10 % Post Consumer Paper

If you need additional time to submit the information, please mail, email or fax your request for
a time extension to the Division at the address and fax number at the bottom of this letter. The
request must indicate the date by which you expect to submit the required information. The
Division is allowed 90 days from the receipt of a completed application to issue the permit.
The construction of any impervious surfaces, other than a construction entrance under an
approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject
to enforcement action pursuant to NCGS 143-215.6A.
Please reference the State assigned project number on all correspondence. Any original
documents that need to be revised have been sent to the engineer or agent. All original
documents must be returned or new originals must be provided. Copies are not acceptable. If
you have any questions concerning this matter please feel free to call me at [phone] or
email me at [e-mail].
Sincerely, /
Aisha H. Lau
Environmental Engineer
GDS/ahl: S:\WQS\STORMWATER\ADDINFO\2009\080912.jan09
CC: Mr. Keith D. Walker— LongbourneHousing of Jacksonville, Inc.
Mr. David Newsom — Crystal Coast Engineering, PA
Mr. John L. Pierce & Associates, P.A.
•Wilmington Regional_Offic—e-7

:Add it ion a I information request for the Villages of Longbourne ...
Subject: RE: Additional information request for the Villages of Longbourne Tracts 2 & 3 project
From: "David Newsom" <crystalcoasteng a bizcc.rr.com>
Date: Mon, 12 .Ian 2009 07:49:37 -0500
To: "'Aisha Lau"' <Aisha.Lau a ncmail.net>
Property upon which pond sits was indeed sold, therefore, it would seem logical to re -permit Pond 2 in the
name of the new owner.
Got your message about RFI.... Just add that item to it if you would like.
-----Original Message -----
From: Aisha Lau [mailto:[e-mail]
Sent: Friday, January 09, 2009 4:05 PM
To: David Newsom
Subject: Additional information request for the Villages of Longbourne Tracts 2 & 3 project
Hello David.
Thank you for letting me know that Tracts 2 and 3 have been purchased by a separate entity.
Do you know whether or not they purchased Pond 42 and the associated stormwater
conveyance system as well?
The answer to that question will determine which direction will need to be pursued in order to
get the permit for the tracts issued.
Thank you for your prompt attention to this question.
1-lave a wonderful weekend,
Aisha
Aisha Horak Lau
Environmental. Engineer
State Stormwater Program
NC Division of Water Quality
127 Cardinal Drive Ext.
Wilmington, NC 28405
Phone [phone].
Fax [phone]
"Don't worry. Be happy." - Bobby McFerrin
I of 1 1/12/2009 11:51 ANI

Villages at Longboume
Subject: Villages at Longbourne
From: "David Newsom" <[e-mail]>
Date: Fri, 2 .Ian 2009 13:07:45 -0500
To: <[e-mail]>
1) Duplin County Investment Group, LLC is a totally different entity than original permitte.
2) Bldg 7 — Front drains to Kenan Loop and then to existing pond.
Rear drains to existing Carraige Drive and then to existing pond.
3) Building 8 — same as above.
4) Building 9 — Front drains to Longbourne Circle and then to existing pond.
Added roof drain to pick up rear of building
5) Building 10 — same as above
6) Building 11 — Front drains to Longbourne Circle and then to existing pond.
Rear drains to roof drain.
Drawing is being revised and will be sent to you ASAP (after you let me know on Monday whether permit Mod is
necessary).
Thanks, Let me know if you need anything else.
1 Oft 1/5/2009 8:57 AM

F WATF
O�(1 9o(r Michael F. Easley, Governor
Y William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
�i
Y Colcen H. Sullins Director
Division of Water Quality
November 13, 2008
Mr. John C. Smith, Member -Manager
Duplin County Investment Group, LLC
P.O. Box 417
Pink Hill, NC 28572
Subject: Request for Additional Information
Stormwater Project No. SW8 080912
Tracts #2 & #3 The Villages of Longbourne
Onslow County
Dear Mr. Smith:
The Wilmington Regional Office received a State Stormwater Management Permit Application for
Tracts #2 & #3 The Villages of Longbourne on September 9, 2008. A preliminary review of that
information has determined that the application is not complete. The following information is needed to
continue the stormwater review:
1. Please provide the Designer's Certification for both of the ponds permitted under
SW8050111,
Please note that this request for additional information is in response to a preliminary review. The
requested information should be received in this Office prior to December 11, 2008, or the application
will be returned as incomplete. The return of a project will necessitate resubmittal of all required items,
including the application fee.
If you need additional time to submit the information, please mail, email or fax your request for a time
extension to the Division at the address and fax number at the bottom of this letter. The request must
indicate the date by which you expect to submit the required information. The Division is allowed 90
days from the receipt of a completed application to issue the permit.
The construction of any impervious surfaces, other than a construction entrance under an approved
Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject to enforcement
action pursuant to NCGS 143-215.6A.
Please reference the State assigned project number on all correspondence. Any original documents
that need to be revised have been sent to the engineer or agent. All original documents must be
returned or new originals must be provided. Copies are not acceptable. If you have any questions
concerning this matter please feel free to call me at [phone] or email me at
[e-mail].
Sincerely
Aisha 1-1. Lau
Environmental Engineer
ENB/ahl: S:\WQS\STORMWATER\ADDINFO\2008\080912.nov08
CC: Mr. John L. Pierce & Associates, P.A. N�°npchCarolina
(-Wilminaton Regional Office, i ✓vWuralk
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: www,ncwate[qualitvorg Fax [phone]
An Equal Opportunity/Affirmative Acton Employer — 50% Recycled/10 h Post Consumer Paper

Sit/ F o 2'p 6? / dt
STORMWATER SUBMITTAL REQUIREMENTS
OFFSITE SYSTEMS
Objective
These projects are out parcels or individual commercial subdivision lots sold to other entities, which
were permitted to drain into a stormwater system under another permit. The runoff from all BUA on
the lot must be collected by any means including piping and swales, and directed into the previously
permitted stormwater system. Lots whose ownership is retained by the original permittee should be
permitted as plan revisions to the original permit. However, if the lot may be sold in the future, it is
best to write a separate offsite permit to the original permittee to help the transfer process go much
smoother and faster.
II. What makes up a complete offsite application package?
Two sets of sealed, signed & dated layout & grading plans with appropriate details.
B. Completed application SWU-101 with the offsite supplement SW-401-Off-Site System.
C. A copy of the recorded Deed Restrictions must be on file.
D. The pond must be functional and the Designer's Certification must be on file.
E. The permitted system must be in compliance with its permit.
II. BIMS entry (for DWQ use only)
Enter & track application acknowledged date, review date, add info requested/received dates, permit
issue dates, and drainage area and stream/waterbody info. Best done after the add info letter is
written and before sending permit up for signature.
IV. Shell documents (for DWQ use only)
A. Requesting additional information: s:\wqs\stormwater\shells\addinfo
B. Permit shells: s:\wqs\stormwater\shells\offsite
V. Review Procedure- look for a proposed built -upon area that is equivalent to or below what was
previously permitted, and that all the BUA is graded such that it will be directed to the permitted
system.
A. APPLICATION
✓ ,1 Original signatures are required. Photocopied signatures cannot be accepted.
✓2. A completed offsite supplement SW-401-Off-Site System.
3. The BUA's reported on the application are only for the lot in question and are equal to or
I/ less than the BUA allowed under the Master permit.
Y/4. Built -upon areas are reported in square feet in Section 111.9.
Receiving stream name and classification.
If the applicant is a corporation, partnership or LLC, look it up on the Secretary of State
Corporations Database. Make sure corporation is spelled correctly (capitalization and
punctuation matter) and that the person signing the application is at least a vice-
president in the corporation, a General Partner in the partnership, a member in a
member -managed LLC, or the manager of a manager -managed LLC. Need
documentation to support if the Articles of Incorporation do not list the members or
managers of the LLC. If an agent signs, then a letter of authorization is needed from the
president, vice president, general partner, member or manager.
B. CALCULATIONS The proposed BUA is broken down and listed on the plans and application.
Page 10 of 12

Offsite, cont.
C. PLANS - Plan sheets should be kept to a minimum. For small commercial projects, the plan
set could consist of only 1 to 3 sheets, layout, grading and details. For larger projects, show
1 much information as possible on as few sheets a possible, wit cluttering them up.
1. V Development/Project Name `
2. ✓ Engineer name and fi
3. Legend — 0-1 4uF J �F
4t/ North Arrow
5. ;/Location Map with nearest intersection of two major roads shown. Major road is any 1, 2,
or 3 digit NC, US or interstate highway.
6. ✓ Scale- standard engineering scale, no off-the-wall stuff.
7. V Date
8. Revision number and date, if applicable.
9. Original contours, proposed contours, spot elevations, finished floor elevations, pipe
,inverts, swale inverts, etc.
10. Existing drainage (piping, swales, ditches, ponds, etc.)
11. roperty/Project boundary lines, bearing & distances.
121{/AMean High Water Line, if applicable.
13. Drainage easement locations & widths.
14. �. Wetlands delineated, or a note on the plans that none exist. The original permit should
have already delineated the wetlands. If not, provide a copy of the map signed by the
Corps of Engineers, or have the applicant include a copy of the unsigned delineation
map submitted to the Corps.
15. \,betails for the roads, parking, cul-de-sacs, including sidewalk width, radii, dimensions &
slopes.
16.E All roof drainage must be directed to the system. Show the roof drain collection piping
on the plans. This is especially necessary for projects where the buildings back up the
property lines where roof drainage may leave the site prior to going through the system.
Page 11 of 12

RE: SW8 0501 1 1 Longboume Apartments & New Project The Villa...
Subject: RE: SW8 050111 Longbourne Apartments & New Project The Villages at Longbourne
From: "David Newsom" <[e-mail]>
Date: Thu, 11 Sep 2008 12:15:08 -0400
To: "'Linda Lewis"' <[e-mail]>
Both ponds have been constructed, but I have not been to the site since they
were under construction. I have requested as -built survey of both ponds to
assure proper size/depth. After getting the surveys, and completing a site
visit we will issue the Cert. (if ponds are acceptable) or a punchlist to
the Contractor (if they are not).
I will let you know pond status ASAP.
-----Original Message -----
From: Linda Lewis jnailto: linda. [e-mail]]
Sent: Thursday, September 11, 2008 11:49 AM
To: Dave Newsom
Cc: Betty Bullock
Subject: SW8 050111 Longbourne Apartments & New Project The Villages at
Longbourne
Dave:
The Division received an offsite stormwater application for the 2 future
development tracts permitted to drain into Pond 42 under SW8 050111.
Prior to accepting that application for review, you will need to submit
the Designer's Certification for both of the permitted ponds. If
Longbourne Apartments and/or Pond 1 have not been constructed, please
advise. At a minimum, the Certification for Pond 2 must be submitted.
Thanks,
Linda
7c_� 4LQ r��-
�J �1L
off et-eyj I!
r)c , s
I of 1 9/11/2008 12:22 PM

North Carolina Secretary of State
Page I of I
Elaine F. Marshall
Secretary
CORPORATIONS
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Click here to:
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Corporation Names
Name Name Type
NC Duplin County Legal
Investment Group, LLC
Limited Liability Company Information
SOSID:
1024957
Status:
Current -Active
Date Formed:
1/31/2008
Citizenship:
Domestic
State of Inc.:
NC
Duration:
Perpetual
Registered Agent
Agent Name: Smith, John C., Jr
Registered Office Address: 602 N. Kinston Blvd
Pink Hill NC 28572
Registered Mailing
602 N. Kinston Blvd
Address:
Pink Hill NC 28572
Principal Office Address:
602 N. Kinston Blvd
Pink Hill NC 28572
Principal Mailing Address:
P O Box 417
Pink Hill NC 28572
http://www.secretary.state.nc.tis/corporations/Corp.aspx?['itemId=8731954 9/9/2008

JOHN L. PIERCE & ASSOCIATES, P.A.
LAND SURVEYING — LAND PLANNING — MAPPING
P.O. 13OX 1685
JACKSONVILLE, NC 28541
OITICE: [phone] FAX: [phone]
E-MAIL: bcttyb(u�ilonc.com
Or btiani(alilnnc.com
TO: Ms. Rhonda Hall
N.C. Department of Environment and Natural
Resources — Department of Stormwater
127 Cardinal Drive Extension
Wilmington, NC 28405
Letter of
DATE:
September 8, 2008
ATTENTION:
Rhonda Hall
Re:
Tracts 42 & 93 The Villages of Lon gbounic
COPIES DATE NUMBER DESCRIPTION
2 Sets of plans
2 Stormwater applications
1 Check in the amount of $505.00
. H 0 9 2008
BY-
SIGNED:��

Stormwater Treatment Narrative
Villages at Longbourne
Duplin County Investments Group, LLC has recently purchased from East Carolina Community Development,
Inc a 6.16 ac tract, a tract which was previously permitted under SW8 050111 (Longbourne Apartments). The
tract is currently vacant, except for 18,285 sf of roadway (Carriage Drive) which was constructed by East
Carolina Development, Inc in association with the Longbourne Apartment complex in 2006.
The 6.16 ac tract which was purchased by Duplin County Investments Group, LLC contains a wet detention
pond ("Pond 2"), also previously constructed in conjunction with the Longbourne Apartment complex. That
pond was originally designed to accommodate 18,285 sf of roadway as well as 160,000 sf future "reserved"
impervious surface area.
Duplin County Investments Group, LLC now proposes to construct 57 condominium units on the 6.16 tract it
has acquired from East Carolina Community Development, Inc.. However prior to issuance of a stormwater
permit, DWQ staff has indicated it will be necessary to modify the original Longbourne Apartments permit
(SW8 050111), removing 'Pond 2" from that permit. Staff also indicates a new stormwater permit will be
required for the Villages at Longbourne in which ownership/responsibility of the existing 'Pond 2" will be
transferred to Duplin County Investments Group, LLC.
The project site is located approximately 0.25 miles from an UT of Northeast Creek (SC;NSW) in the White
Oak Basin. The proposed development activities are high density (percent impervious > 25 %), therefore,
stormwater treatment facilities are required.
The pond was originally designed and permitted in 2005, prior to the adoption of the NEW Coastal Rules. The
pond is sized for 90% TSS removal. The pond does not incorporate pretreatment, other than the forebay. The
pond does not include a vegetated filter at the outlet. The pond was designed/permitted in accordance with
the rules and policies in affect at that time (i.e. 2005, prior to adoption of New Coastal Rules and Avg. Depth
Requirement Policy).
All stormwater emanating from impervious surfaces that is generated on -site shall be collected and directed to
the rear of the site by a system of sheet drainage and a stormwater collection system.