SW8071018_HISTORICAL FILE_20071221

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 O—j 1 c) 1Er
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
© HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
200"l 2 2i
YYYYMMDD

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December 21, 2007
Timothy Baker, Manager
The Crown of Jacksonville, LLC
Post Office Box 12005
Jacksonville, NC 28546
Subject: Stormwater Permit No. SW8 071018
The Crown Apartments
High Density Project
Onslow County
Dear Mr. Baker:
Michael F. Easley, Govcmor
William G. Ross Jr., Secretary
North Carolina Department of linvironment and Natural Resources
Coleen II. Sullins, P.N. Director
Division of Water Quality
The Wilmington Regional Office received a complete Stormwater Management Permit Application for
The Crown Apartments on December 19, 2007. Staff review of the plans and specifications has
determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title
15A NCAC 2H.1000. We are forwarding Permit No. SW8 071018 dated December 21, 2007, for the
construction of the subject project.
This permit shall be effective from the date of issuance until December 21, 2017, and shall be subject
to the conditions and limitations as specified therein. Please pay special attention to the Operation and
Maintenance requirements in this permit. Failure to establish an adequate system for operation and
maintenance of the stormwater management system will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within sixty (60) days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150E 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
Rhonda Hall, or me at [phone].
Sincerely/
Edward Beck
Regional Supervisor
Surface Water Protection Section
ENB/ rbh: S:\WQS\STORMWATER\PERMIT\071018.dec07
cc: Jason A. Houston, E.I., Parker & Associates, Inc.
Onslow County Building Inspections
Rhonda Hall
L Wilmington Regional Office,'
Central Files
No rthCarolina
�l�rrturrrll�
North Carolina Division or Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: wwa.ncwatcngtnlitv.orft Fax [phone]
An Equal Oppom nitylA(iirmative Action Employer— 50 % Recycled/10 % Post Consumer Paper

State Stormwater Management Systems
Permit No. SW8 071018
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
Timothy Baker & The Crown of Jacksonville, LLC
The Crown Apartments
150 Valencia 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 (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 December 21, 2017, 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. The stormwater
control has been designed to handle the runoff from 69,876 square feet 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.
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.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 071018
R1
The following design criteria have been provided in the wet detention pond and
must be maintained at design condition:
a. Drainage Area, acres:
Onsite, ft :
Offsite, ft2:
b. Total Impervious Surfaces, ft2:
C. Design Storm, inches:
d. Pond Depth, feet:
e. TSS removal efficiency:
f. Permanent Pool Elevation, FMSL
g. Permanent Pool Surface Area, ft2
h. Permitted Storage Volume, ft3:
Temporary Storage Elevation, FMSL:
j. Controlling Orifice:
k. Permitted Forebay Volume, ft3:
I. Fountain Horsepower, HP
M. Receiving Stream/River Basin:
n. Stream Index Number:
o. Classification of Water Body:
II. SCHEDULE OF COMPLIANCE
2.91
126,635
None
69,876
1
6
90%
32
4,800
5,8841
33.1
1.0"0 pipe
2,592
No Fountain Allowed
Little Northeast Creek / White Oak
19-16-2
"C; NSW"
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 time 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 re -vegetation 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.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 071018
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. Decorative spray fountains will not be allowed in the stormwater treatment
system.
6. The facilities shall be constructed as shown on the approved plans. This permit
shall become void unless the facilities are constructed in accordance with the
conditions of this permit, the approved plans and specifications, and other
supporting data.
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.
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.
Access to the stormwater facilities shall be maintained via appropriate
easements at all times.
10. 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.
11. The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction.
12. 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.
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.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 071018
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.
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 re -issuance 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.
Permit issued thi he 21th day of December, 2007.
NO CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

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Date Received
Fee Paid
Permit Number
O �5 D 7
SD.S OD
SGJ D /
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):
THE CROWN OF JACKSONVILLE, LLC
2. Print Owner/Si ning Official's name and title (person legally responsible for facility and compliance):
TIMOTHY BAKER, MANAGER
3. Mailing Address for person listed in item 2 above:
P.O. BOX 12005
City: JACKSONVILLE State: NC Zip 28546
Telephone Number: { 910 ) 577-5400
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
THE CROWN APARTMENTS
5. Location of Project (street address): -
150 VALENCIA DRIVE
City: JACKSONVILLE
6. Directions to project (from nearest major intersection):
INTERSECTION OF US 17 AND HWY 24 TAKE HWY 24 EAST. TURN LEFT ONTO WESTERN BLVD.
IS ON
7. Latitude: N 340 45' 32" Longitude: W 770 22' 39" of project
8. Contact person who can answer questions about the project:
Name: Jason A. Houston, E.I. Telephone Number: ( 910) 455-2414
II. PERMIT INFORMATION:
1. Specify whether project is (check one): lXew Renewal Modification
REC.�u�ED
Form SWU-101 Version 3.99 Pagel of4 OCT 0 5 2007
]W:_

•a-
2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
Low Density X High Density _Redevelop _General Permit Other
4. Additional Project Requirements (check applicable blanks):
_CAMA Major XSedimentation/Erosion Control 404/401 Permit NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
III. PROJECT INFORMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project.
Wet Detention Po
2. Stormwater runoff from this project drains to the
3. Total Project Area: 3.57 acres
5. How many drainage areas does the project have?
White Oak
River basin.
4. Project Built Upon Area: 55 %
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.
BastitIriformauon:�zb
F�Draina eArea`lit4*'t�`Draa
gm
mg erea�2vx°"eta
, �A:s«,.-x
Receiving Stream Name
UT to Little Northeast Creek
`C\— to
Receiving Stream Class
C' NSW
Drainage Area
Existing Impervious" Area
0
Proposed Impervious"Area
69,876 SF
% Impervious" Area (total)
55 %
.&`XCIi 'l'4
lmpery ous kSur"face Area a4
"ii „yam v:' q G{3jN7F
Dra�age9Area 1
Fug
Aneap2�?'`u
`yrJ
ni`amage
On -site Buildings
25,924 SF
On -site Streets
On -site Parking
9 SF
On -site Sidewalks
4.693 SF
Other on -site
2.100 SF
Off -site
0
Total: 69,876 SF
Total:
Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc.
Form SWU-101 Version 3.99 Page 2 of

7. How was the off -site impervious area listed above
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table
listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment.
1. The following covenants are intended to ensure ongoing compliance with state stormwater management permit number
as issued by the Division of Water Quality. These covenants may not be
changed or deleted without the consent of the State.
2. No more than square feet of any lot shall be covered by structures or impervious materials.
Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood
decking or the water surface of swimming pools.
3. Swales shall not be filled in, piped, or altered except as necessary to provide driveway crossings.
4. Built -upon area in excess of the permitted amount requires a state stormwater management permit modification prior to
construction.
5. All permitted runoff from outparcels or future development shall be directed into the permitted stormwater control
system. These connections to the stormwater control system shall be performed in a manner that maintains the integrity
and performance of the system as permitted.
By your signature below, you certify that the recorded deed restrictions and protective covenants for this project
shall include all the applicable items required above, that the covenants will be binding on all parties and persons
claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted
without concurrence from the State, and that they will be recorded prior to the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s) listed below must be submitted for each
BMP specified for this project. Contact the Stormwater and General Permits Unit at [phone] for the status
and availability of these forms.
Form SWU-102
Wet Detention Basin Supplement
Form SWU-103
Infiltration Basin Supplement
Form SWU-104
Low Density Supplement
Form SWU-105
Curb Outlet System Supplement
Form SWU-106
Off -Site System Supplement
Form SWU-107
Underground Infiltration Trench Supplement
Form SWU-108
Neuse River Basin Supplement
Form SWU-109
Innovative Best Management Practice Supplement
Form SWU-101 Version 3.99
Page 3 of 4

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ.
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Regional Office.
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
• Original and one copy of the Stormwater Management Permit Application Form
• One copy of the applicable Supplement Form(s) for each BMP
• Permit application processing fee of $420 (payable to NCDENR)
• Detailed narrative description of stormwater treatment/management
• Two copies of plans and specifications, including:
- Development/Project name
- Engineer and firm
-Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and stormwater control measures
- Wetlands delineated, or a note on plans that none exist
- Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
- Drainage areas delineated
- Vegetated buffers (where required)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf, please complete this section,
Designated agent (individual or firm): PARKER & ASSOCIA TES, INC.
Mailing Address: P.O. BOX 976
City: JACKSONVILLE State: NC Zip: 28541
Phone: [phone] Fax: ( 910 1455-3441
VIII. APPLICANT'S CERTIFICATION �/
1, (print or type name of person listed in General Information, item 2) I i m Q i h I� e
certify that the information included on this permit application form is, to the best of knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .1000.
Signature: Date:
Form SWU-101 Version 3.99 Page 4 of 4

!INIPW
PARKER & ASSOCIATES, INC.
Consulting Engineers - Land Surveyors - Land Planners
306 New Bridge Street + P.O. Box 976
Jacksonville, NC 28541-0976
[phone] + Fax: [phone]
November 2, 2007
Ms. Rhonda Hall
NCDENR - Division of Water Quality
127 Cardinal Drive Extension
Wilmington, North Carolina 28405
RE: The Crown Apartments
SW8-071018
Onslow County, NC
Dear Ms. Hall:
The Stormwater Submittal was sent from our office on October 3, 2007. (Please see
enclosed submittal letter), and was addressed to Ms. Linda Lewis. Please check your records to
confirm that you have received this submittal. Please respond with the date this project was
"logged in". If you do not have any records of receiving this project please contact me.
xc: Tim Baker
CF (P)
JAH/lmd
c2.JAH. Hall.l tr.10.31.07
Sincerely,
NOV 0 6 2007 1 PARKER
►M
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+ ENVIRONMENTAL ENGINEERING + STORMWATER, WATER AND WASTEWATER SYSTEMS
+ FEASIBILITY. AND DEVELOPMENT CONSULTING + GLOBAL POSITIONING SURVEYS ♦ SUBDIVISION AND CONSTRUCTION PLANS

A rF9
aM Y
October 23,2007
Mr. Timothy Baker
The Crown of Jacksonville, Inc.
P.O. Box 12005
Jacksonville, NC 28546
Subject: Request for State Stormwater Management
The Crown Apartments
Stormwater Project No. SW8071018
Onslow County
Dear Mr. Baker: /
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleco IL Sullins, P.E. Director
Division of Water Quality
On October 19, 2007, the Wilmington Regional Office r elved a copy of an Erosion Control Plan for the subject
project. The North Carolina Administrative Code requ' es any project that must receive either Sedimentation and
Erosion Control Plan approval and/or a CAMA Major ermit to apply for and receive a Stormwater Management
Permit by the Division of Water Quality. Any const ction on the subject site, prior to receipt of the required
permit, will constitute a violation of 15A NCAC 27.1000 and may result in appropriate enforcement action by this
Office.
Either a Stormwater Permit Application P kage including 2 sets of plans, completed application form, $505
fee, and supporting documentation, or a wr' en response regarding the status of this project and the expected
submittal date must be received in this O ce no later than November 23, 2007. Failure to respond to this request
may result in the initiation of enforcemeVt action, and construction may experience a subsequent delay.
The NPDES 010000 Federal StormOter Permit that accompanies the Erosion Control Plan approval letter must
NOT be considered the Coastal Stor water Management Permit, which will be signed by the Water Quality
Supervisor. Please reference theproject Number above on all correspondence. If you have any questions,
please call me at (910) 796-72151r email me at [e-mail].
Sincerely,
Rhonda Hall
Environmental Engineer
ENB/rbh: S:\WQ$\STORMWATER\STORMSUB\2007\071018.oct07
cc: OnsVw County Building Inspections
Tim thy M. Stewart. Parker & Associates, Inc.
r` 'Caro ina
)ly
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: v�vsc,ncw; teFqualitv.org Fax [phone]

CITY OF JACKSONVILLE
PUBLIC SERVICES DEPARTMENT
ENGINEERING
LETTER OF TRANSMITTAL
TO:
Division of Environmental Management
127 Cardinal Drive Extension
Wilmington N.C.28405
Phone # [phone]
Linda:
WE ARE SENDING YOU
_ PRINTS
_ COPY OF LETTER
DESCRIPTION:
Date: October 17, 2007
Attn: Ms. Linda Lewis
Ref. Erosion & Sedimentation
The Crown Apartments
XX ATTACHED _ UNDER SEPARATE COVER
XX PLANS _ SPECIFICATIONS
XX OTHER copy of the financial responsibility statements
THESE ARE TRANSMITTED AS CHECKED BELOW:
_ FOR APPROVAL
_ FOR REVIEW AND COMMENT
DOCUMENTS ARE DUE TO BE RETURNED BY:
_ PRINTS RETURNED AFTER LOAN TO US
_ OTHER
REMARKS:
COPIES TO: File
_AS REQUESTED
XX FOR YOUR USE
7'
Tom Anderson, Construction Specialist
Post Office Box 128 ♦ Jacksonville, North Carolina 28541 ♦ [phone] ♦ TDD# [phone] ♦ Fax [phone]

A)eIj P4
PARKER & ASSOCIATES, INC.
Consulting Engineers - Land Surveyors - Land Planners
306 New Bridge Street + P.O. Box 976
Jacksonville, NC 28541-0976
[phone] . Fax: [phone]
Ms. Linda Lewis
NCDENR - Division of Water Quality
127 Cardinal Drive Extension
Wilmington, North Carolina 28405-3845
Dear Ms. Lewis:
October 3, 2007
�W
RE: The Crown Apartments, LLC
Jacksonville, NC
Stormwater Submittal
Please find enclosed the following items related the above referenced project:
l . Two (2) sets of Plans (Sheets 1,2,6 and 8 of 8)
2. One (1) original and One (1) copy of the Stonnwater Management Permit
Application Form.
3. One (1) Wet Detention Basin Supplement
4. One (1) Stonnwater Wet Detention Pond Engineering Calculations
5. One (1) copy of Special Use Approval dated Sept. 6, 2006
6. Check # 1008 in the amount of $505 for the application fee
7. One (1) Stonnwater Narrative
If you have any question or need any additional information, please contact me.
Sincerely,
OCT 0 5 2007
Enclosures
xe: Mr. 'Piro Baker (w/enclosures)
CF (P), LAM
JAI I/ads
c I .JAI I.Imis.lo'. 10.2.07
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♦ ENVIRONMENTAL ENGINEERING ♦ STORMWATER, WATER AND WASTEWATER SYSTEMS
♦ FEASIBILITY AND DEVELOPMENT CONSULTING ♦ GLOBAL POSITIONING SURVEYS ♦ SUBDIVISION AND CONSTRUCTION PLANS

Stormwater Narrative
The Crown Apartments
The Crown Apartments is a 60 Unit High density development. The entire site
drains to the stormwater pond. There is no offsite stormwater that Flows to the site. The
special use permit was approved by the City of Jacksonville on September 6, 2006. The
pond was designed to retain the first one inch of runoff and was designed to have a 90%
TSS removal rate with no vegetated filter. For additional information, please refer to the
stormwater management permit application form, the wet detention supplement form and
the design plans.
CIJAH.Stov waterNartativeCrown.9.19.07

PARKER & ASSOCIATES, INC.
Consulting Engineers - Land Surveyors - Land Planners
306 New Bridge Street • P.O. Box 976
Jacksonville, NC 28541-0976
[phone] • Fax: [phone]
THE CROWN APARTMENTS
JACKSONVILLE, NORTH CAROLINA
STORMWATER WET DETENTION POND
ENGINEERING CALCULATIONS CARO •'•
September 2007 s`������ESSIri� sry'9,,�'.
1. AREA
Total Drainage Area
Impervious Area:
Buildings, Drives, and Parking
SEAL
14575 It
�io•FNGI NE�Q�yP�
�yy T 151�
126,635 SF
69,876 SF
Percent Impervious = Impervious = 69,876 = 55 %
Total 126,635
2. PERMANENT POND SURFACE AREA
From Table 10-3 from NCDENR Stormwater BMP Manual for 55 % impervious,
6 basin depth without Vegetative Filter (90% TSS Removal) Yields SA/DA =
3.2%
126,635 SF x 3.2 % = 4,052 SF surface area required
Top of permanent pond elevation is 32
Area at 32 elevation = 4,800 SF provided
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/ ♦ ENVIRONMENTAL ENGINEERING ♦ STORMWATER. WATER AND WASTEWATER SYSTEMS
♦ FEASIBILITY AND DEVELOPMENT CONSULTING f GLOBAL POSITIONING SURVEYS ♦ SUBDIVISION AND CONSTRUCTION PLANS

ENG-2
3. TEMPORARY DETENTION STORAGE VOLUME
Retain 1.0" of runoff from area draining to pond
Use Schueler "Simple Method" from Stormwater Best Management Practices
Manual
RV = 0.05 + 0.009 (1)
RV = Runoff coefficient (inch per inch)
I = Percent Impervious
RV = 0.05 + 0.009 (55) = 0.55 inch / inch
Find Temporary Water Quality Volume
V = (Design Rainfall) (RV) (Drainage Area)
_ (1.0 inch) (0.55 inch / inch) (1 ft.) (126,635 SF)
(12 in.)
= 5,804 CF Required
4. TEMPORARY WATER QUALITY STORAGE VOLUME
Use 1.1 Ft. Temporary Pool
Area at 32.0 elevation (permanent pond) = 4,800 SF
Area at 33.1 elevation (temporary pond) = 5,900 SF
Average Area = 5,350 SF
Storage Vol.= 5,350 SF x 1.1 Height = 5,885 CF provided
5,885 CF provided > 5,804 CF required
5. RELIEVE TEMPORARY WATER QUALITY VOLUME IN 2 TO 5 DAYS
Q = Cd A 2gh (orifice equation)

ENG-3
Q = 5,804 CF = 2 days = 0.0336 CFS
Q = 5,804 CF = 5 days = 0.0134 CFS
Cd = 0.60
g = 32.2 ft/sec
h = 0.55 average height
For 2 Day Release
Solve For A = Q
CdV2gh
Solve for Orifice Diameter, D
A=0.009SF=rrR2
R = 0.0535 ft. = 0.65 inch
D = 1.3 inch
For 5 Day Release
Solve For A = Q =
Cd 2gh
Solve for Orifice Diameter, D
A = 0.0037 SF = rr Rz
R = 0.0343 ft. = 0.412 inch
D = 0.82 inch
Use 1.0 inch diameter orifice
0.0336 = 0.009 SF
(0.6) 2(32.2)(0.55)
0.0134 = 0.0037 SF
(0.6) 2(32.2)(0.55)

ENG-4
6. Forebay Volume
Main Bay Area at Elevation 32.0 = 3,400 SF
Bottom of Vegetative Shelf Elevation 30.33 = 1,433 SF
Average Area = 2,592 SF
Volume = 2,592 SF X 1.666 Ft. = 4,028 CF
Main Bay Area at Elevation 30.33 = 1,433 SF
Main Bay Area at Elevation
Bottom of Pond 26.0 = 145 SF
Average Area = 789 SF
Volume = 789 SF X 4.33 Ft. = 3,419 CF
TOTAL MAIN BAY VOLUME 7,447 CF
Forebay Area @ Elevation 32 = 1,200 SF
Forebay Area @ Elevation 28 = 96 SF
Average Area = 648 SF
Volume = 648 SF X 4 Ft. = 2,592 SF
Forebay Volume shall contain approximately 20% of the total permanent
pond volume.
Permanent Pool Volume = Mainbay & Forebay = 7,447 CF + 2,592 CF
= 10,039 CF
Forebay Volume = 2592 CF
FOREBAY VOLUME / PERMANENT POOL VOLUME
= 2,592 CF / 10039 CF = 25.8 % O.K.
c2. JAH.Th ecrowna partments. CAL.9.19.07

CITY OF JACKSONVILLE
FINANCIAL RESPONSIBILITY /OWNERSHIP FORM
SEDIMENTATION POLLUTION CONTROL ACT
No person may initiate a land -disturbing activity covered by the Jacksonville City Code, Chapter 22 and the
North Carolina State Sediment Pollution Control Act, prior to the approval of both this form and an erosion control
plan by the Engineering Division, Department of Public Works, City of Jacksonville, North Carolina. (Please type or
print and, if question is not applicable, place N/ A in the blank).
Part A.
1. Project Name THE CROWN APARTMENTS
2. Location of land -disturbing activity? 150 VALENCIA DRIVE
3. Approximate date land -disturbing activity will be commenced: NOVEMBER 2007
4. Purpose of development (residential, commercial, industrial, etc.): RESIDENTIAL
5. Approximate acreage of land to be disturbed or uncovered (to the nearest tenth acre)? 3.5
6. Amount of fee enclosed $ 500.00
7. Has an erosion and sedimentation control plan been filed? Yes No X
Enclosed YES
8. Person to contact should sediment control issues arise during land -disturbing activity.
Name TIMOTHY BAKER Telephone [phone]
9. Landowner(s) of Record (Use blank page to list additional owners):
THE CROWN OF JACKSONVILLE, INC.
Name(s)
P.O. BOX 12005
Current Mailing Address
JACKSONVILLE, NC 28546
City State Zip
[phone] [phone]
Telephone # Fax #
10. Indicate Book, and Page where deed or
instrument is filed (Use blank page to list
additional deeds or instruments)
871 LYNCHBURG DR.
Current Street Address
JACKSONVILLE NC 28540
City State Zip
Telephone # Fax #
Book 2911 Page 502
Book Page
Part B. I Person (s) or firm(s) who are financially responsible for this land -disturbing activity (Use a blank page to
list additional persons or firms):
THE CROWN OF JACKSONVILLE, LLC
Name of Person(s) or Firm(s)
P.O. BOX 12005 871 LYNCHBURG DR.
Current Street Address
Current Mailing Address
JACKSONVILLE NC 28546
City State Zip
Telephone [phone]
JACKSONVILLE NC 28540
t y State Zip
Telephone

•r
2. (a) If the Financially Responsible Party is not a resident of North Carolina give name and street address
of a North Carolina Agent.
Name
Mailing Address
City State Zip
Telephone
Street Address
Telephone
State Zip
(b) If the Financially Responsible Party is a Partnership or other person engaging in business under an
assumed name, attach a copy of the certificate of assumed name. If the Financially Responsible Party is a
Corporation give name and street address of the Registered Agent.
Name of Registered Agent
Mailing Address
City State Zip
Telephone
Street Address
Telephone
State
The above information is true and correct to the best of my knowledge and belief and was provided by me
under oath. (This form must be signed by the financially responsible person if an individual or his attorney -
in -fact or if not an individual by an officer, director, partner, or registered agent with authority to execute
instruments for the financially responsible person). I agree to provide corrected information should there be
any change in the information provided herein.
Type or print name
Signature
Title or Authoiy
'o
Date ,Y �,, i I, , a Notary Public of the County of �.� V
State of North Carolina, hereby certify that i I i m TT � oth u ` Q �e
appeared personally before me this day and being duly sworn ack owledged that the above form was
25 y S 2o0r7
9 y % �f r al seal, this da of, b9=
T �'
Notary
A�� L�� •� �yV ��� My commission expires
, Lao 1)
�� coo 1.10',

City of Jacksonville
Development Services Department
Planning Division `tea MUS"
September 19, 2006
Timothy 11. Baker
P.O. Box 12005
Jacksonville, NC 28541
Re: Valencia Park Apartments — 150 Valencia Drive
Dear Mr. Baker
At their September 6, 2006 meeting, the Jacksonville City Council approved a special use permit for the
Valencia Park. Apartments. The proposed development is situated on 3.57 acre parcel located on
Valencia Drive. The submitted special use permit applicationis for a 60-unit apartment complex,
totaling 77,769 square foot. Please see the enclosed Order granting the Special Use Permit that was
approved by City Council. As noted on the order, the Special Use Permit was approved conditioned
upon 1) that the site plan be submitted within 18 months.
Approval of the special use permit was conditioned upon the submission of a site plan within 18 months
of special use permit approval. A site.pian meeting all applicable City standards must be submitted to
the City of Jacksonville's Planning Division on' or before March 6, 2008. If you fail to meet the
condition of approval, staff will request that the special use permit be revoked by City Council. Please
feel free to contact this office should you have any question of require further. assistance with this
matter.
If I can provide any additional information, please contact me at [phone].
Sincerely,
Ryan King
Senior Planner
Enclosure
Post Office Box 128 • Jacksonville, North Carolina 28541 • [phone] TDD# [phone] • Fax [phone]