SW7051109_CURRENT PERMIT_20060206

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

�pF W A rFgQ Michael F. Easley, Governor W'-L Ro
`O G William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
February 6, 2006
Mr. Jim Stallings
Arbor Green, LLC
604 East Main Street
Havelock, NC 28532
Subject: Stormwater Permit No. SW7061109
Arbor Green — A Planned Unit
Development
High Density Project
Craven County
Dear Mr. Stallings:
The Washington Regional Office received a complete Stormwater Management Permit Application for
Arbor Green — A Planned Unit Development on January 13, 2006. Staff review of the plans and
specifications has determined that the project, as proposed, will comply with the Stormwater Regulations
set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7051109 dated February 6,
2006, for the construction of the subject project.
This permit shall be effective from the date of issuance until February 6, 2016, and shall be subject to the
conditions and limitations as specified therein. Please pay special attention to the Operation and
Maintenance requirements in this permit. Failure to establish an adequate system for operation and
maintenance of the stormwater management system will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within 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 Amy
Franklin, or myself at [phone] -
Sincerely,
r
Al Hodge
Regional Supervisor
Surface Water Protection Section
AH/alf
cc: Kevin Avolis, PE
Cr ven County Building Inspections
L.-,Washington Regional Office
Central Files
North Carolina Division of Water Quality Washington Regional Office Phone [phone] FAX [phone] Customer Service
Internet: h2o.enr.state.m.us 943 Washington Square Mall, Washington, NC 27889 1-877-623-6748
N,:p.1 Cam
An Equal OpportunilylAffirmaNe Action Employer— 50% Regded110°k Post Consumer Paper

State Stormwater Management Systems
Permit No. SW7051109
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 HERESY GRANTED TO
Arbor Green, LLC
Arbor Green — A Planned Unit Development
Craven County
FOR THE
construction, operation and maintenance of a wet detention pond with bioretention basins as pretreatment
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 February 6, 2016, 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 246,782 square feet of impervious area listed under drainage area 1. This
pond must be operated with a vegetated filter.
3. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and
per approved plans.
4. All stormwater collection and treatment systems must be located in either dedicated common
areas or recorded easements. The final plats for the project will be recorded showing all such
required easements, in accordance with the approved plans.
5. The runoff from all built -upon area within the permitted drainage area of this project must be
directed into the permitted stormwater control system.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW7051109
j
6. The following design criteria have been provided in the wet detention pond and must be
maintained at design condition:
Pond 1
a. Drainage Area, acres: 11.13
b. Total Impervious Surfaces, fe: 246,482
C. Design Storm, inches: 1.0
d. Pond Depth, feet: 6
e. TSS removal efficiency: 85%
f. Permanent Pool Elevation, FMSL: 17.0.
g. Permanent Pool Surface Area, ff: 16,072
h. Permitted Storage Volume, ft3: 58,742
i. Temporary Storage Elevation, FMSL: 18.4
j. Controlling Orifice: 2" 0 pipe
k. Permitted Forebay Volume, ft3: 11,750
I. Receiving Stream/River Basin: Wilson Creek
M. Stream Index Number: 27-101-37
n. Classification of Water Body: "C: Sw: NSW"
7. Please note that the bioretention being used as pretreatment exceeds the maximum storage
depth of 9 inches by 3 inches.
Il. 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 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.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW7051109
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.
4. Records of maintenance activities must be kept and made available upon request to authorized
personnel of DWQ. The records will indicate the date, activity, name of person performing the
work and what actions were taken.
5. The facilities shall be constructed as shown on the approved plans. This permit shall become
voidable unless the facilities are constructed in accordance with the conditions of this. permit, the
approved plans and specifications, and other supporting data.
6. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to
operation of this permitted facility, a certification must be received from an appropriate designer
for the system installed certifying that the permitted facility has been installed in accordance with
this permit, the approved plans and specifications, and other supporting documentation. Any
deviations from the approved plans and specifications must be noted on the Certification. A
modification may be required for those deviations,
7. If the stormwater system was used as an Erosion Control device, it must be restored to design
condition prior to operation as a stormwater treatment device, and prior to occupancy of the
facility.
8. 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.
13. This permit shall be effective from the date of issuance until February 6, 2016. Application for
permit renewal shall be submitted 180 days prior to the expiration date of this permit and must be
accompanied by the processing fee.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW7051109
Ill. GENERAL CONDITIONS
1. 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 .namelownership change
form, documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may not be
approved. The permittee is responsible for compliance with all permit conditions until such time
as the Division approves the transfer request.
2. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to enforcement action by the Division of Water Quality, in accordance with North
Carolina General Statute 143-215.6A to 143-215.6C.
3. The issuance of this permit does not preclude the Permittee from complying with any and all
statutes, rules, regulations, or ordinances, which may be imposed by other government agencies
(local, state, and federal) 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.
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, revolted 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.
The permittee shall notify the Division of any name, ownership or mailing address
changes within 30 days.
Permit issued this the 6t" day of February, 2006.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A� L - I n" -� &-- - . ---
for Alan W. Klimek, P.E„ Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW7061109
Arbor Green — A Planned Unit Development
Stormwater Permit No. SW7051109
Craven County
Designer's Certification
1, , 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. SW7051109
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 outlettbypass structure elevations are per the approved plan.
6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outletlbypass 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: NC©ENR-17WQ Regional Office
Craven County Building Inspections
Page 7 of 7

State Stormwater Management Systems
Permit No. SW7051109
Arbor Green — A Planned Unit Development
Stormwater Permit No. SW7051109
Craven County
Designer's Certification
,7. Kevin Avolis, PE_, as a duly registered Engineer in the State of
North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the
project,
Arbor Green - A Planned Unit. Development
(Project)
for Arbor Green, LLC_ (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:
Sign
Registration Ngmber 15738
Date May 7, 2010
SEAL
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Page 6 of 7

OLdLU 7LUF1Tlwalef' iviaridgement Jys[ems
Permit No. SW7051109
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.
—Z-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.
V/5. The outlet/bypass structure elevations are per the approved plan.
_J/_6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outletlbypass 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.
V 13. All required design depths are provided.
_Z1 4. All required pans of the system are provided, such as a vegetated shelf, and a forebay.
--V—/,5. The required system dimensions are provided per the approved plans.
cc: NCDENR-DWQ Regional Office
Craven County Building Inspections
Page 7 of 7

OFFICE USE ONLY
Date Received Fee Paid Permit Number
State of North Carolina H IEGES`YN
Department of Environment and Natural Resources
Division of Water Quality NOV - 3 2005
STORMWATER MANAGEMENT PERMIT APPLICATION FORM DWQ-t ARO
This lbrrn may be photocopied for use as an original Y V UV
1. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
Arbor Green, LLC
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
Jim Stallings, Member/Manager
3. Mailing Address for person listed in item 2 above:
604 East Main Street
City:Havelock State: NC zip: 28532
Telephone Number: 252 } 447-0865
4. Project Name (subdivision, facility, or establishment name - should he consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Arbor Green — A Planned Unit Development
5. Location of Project (street address):
U.S. Highway 17 South
City: New Bern
County: Craven
6. Directions to project (from nearest major intersection):
Go south on US Highway 17 at intersection with Glenburnie Road. Project is
on right past 2nd stop light. (Next to Sprint Telephone).
7. Latitude: 350 05' 44" N Longitude: 770 07' 02" W of project
8. Contact person who can answer questions about the project:
Name: Jim Stallings Telephone Number: 25( 2 ) 447-0865
II. PERMIT INFORMATION:
I. Specify whether project is (check onc): X New Renewal Modificadoll
Farm SWU-101 Version 3.99 Page I of 4

1
2. ' If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
Low Density X High Density Redevelop General Permit Other
4. Additional Project Requirements (check applicable blanks):
CAMA Major X Sedimentation/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.
Ill. 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 .
Stortttwater runoff is routed to bio-retention _ areas with_bypaas _._t0_sto=ravter
retention pond. Discharge is to roadside ditch.
2. Stormwater runoff from this project drains to the
3. Total Project Area: 11.13 acres
5. How many drainage areas does the project have? 1
Neuse
River basin.
4. Project Built Upon Area: 50.84 %
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.
Basin Information
Drainage Area I
Drainage Area 2
Receiving Siream Name
Wilson Creek
-o 1— 3
Receiving SLr'cani Class
C, Sw, NSW
Drainage Area
11.13 AC
Existing impervious* Area
0
Proposed In pervious*Area
246,482 SF, 5.66 AC
% impervious* Area (total)
Impervious` Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings
90,996 SF, 2.09 AC
On -site Streets
57,053 SF, 1 .31 AC
On -site Parking
73,717 SF 1 .69 AC
On -site Sidewalks
24 716 SF 0.57 AC
Other on -site
Off -site
Total: 246,482 SF, 5.66 AC
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 44

How was the off -site impervious area listed above derived?.
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 storrnwater management permit number
as issued by the Division of Water Quality. These covenants rrtay not be
changed or deleted without the consent of the State.
2. No more than 246, 482 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 storrnwater managentent permit modification prior to
construction.
5. All permitted runoff from outparcels or future development shall be directed into the permitted storrnwater control
system. These connections to the storrnwater 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
shail 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 Storrnwater 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-t04
Low Density Supplement
Form SWU-105
Curb Outlet System Supplement
Form SWU-106
Off -Site System Supplement
Forth 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 11age 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 indicaie that you have provided the following required information by initialing in the space provided
next to each item.
Initials
• Original and one copy of the Stormwater Management Permit Application Form
• One copy of the applicable Supplement Form(s) for each BMP
• Permit application processing fee of $420 (payable to NCDENR) ¢
• Detailed narrative description of stormwat.er 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): Avolis Engineering, P.A.
Mailing Address: P.O. Box 15564
City: New Bern
Phone: ( 252 ) 633-0068
VIII. APPLICANT'S CERTIFICATION
State: NC Zip: 28561
Fax: ( 252 ) 633-6507
1, (print or, type name of person listed in General Information, item Z) S:
certify that the information included on this permit application form is, to the best of my kdowledge, 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✓/ /1
Signatu
I-onn SWU-101 Version 3.99 Page 4 of 4
Date: %L1 ' SSG' 1

Permit No.
{to he provided by DWO
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This fortir may be photocopied for use as an original
DW_O Stormwater Management Plan Review:
A complete stormwater management plan submittal includes an application form, a wet detention basin
supplement for each basin, design calculations, and plans and specifications showing all basin and outlet
structure details.
1. PROJECT INFORMATION
Project Name: Arbor Green - A Planned Unit Development
Contact Person: Jim Stallings Phone Number: (252 447-0865
For projects with multiple basins, specify which basin this worksheet applies to: 1
elevations
Basin Bottom Elevation 11.0 ft. (floor of the basin)
Permanent Pool Elevation 17.0 ft. (elevation of the orifice)
Temporary Pool Elevation 18.4 ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area 16, 072 sq. It.
Drainage Area 11.13 ac.
Impervious Area
volumes
5.66 ac.
(watersutface area at the orifice elevation)
(on -site and off -site drainage to the Basin)
(ova -site and qff--.site drainage to the hasin)
Permanent Pool Volume 58,742 cu. ft. (combined volume of main basin and forebay)
Temporary Pool Volume 24,444 _ cu. ft. (volume detained above the permanent pool)
Forebay Volume 11,750 _ cu. ft. (approximately 20% of total volume)
Other paratneters
SA/DA s
Diameter of Orifice
Design Rainfall
Design TSS Removal 2
2.76 72. 1 i
2 in.
1 in.
85 %
(surface area to drainage area ratio from DWQ table)
(2 to 5 day temporary pool draw -down required)
(minimum 85% required)
Form SWU-102 Rev 3.99 Page 1 of 4

Footnotes:
` When using the Division SA/DA tables, the correct SA/DA ratio for permanent pool sizing should be computed based upon the
actual impervious % 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 95% TSS removal and 90%,rSS removal.
11. 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
C7
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 basin volume.
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
dcalculations)
0
f. The basin length to width ratio is greater than 3:1.
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.
a 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 prior to use as a wet detention basin.
m. A mechanism is specified which will drain the basin for maintenance or an emergency.
II1. 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) 0 does YDdV@p@W incorporate a vegetated filter at the outlet.
This system (check one) 0 does k4dppoopt{ incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4

Maintenance activities shall be performed as follows:
1. After every significant runoff producing rainfall event and at least monthly:
a. Inspect the wet detention basin 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.
2. Repair eroded areas immediately, re -seed as necessary to maintain good vegetative cover, mow vegetative
cover to maintain a maxitrtum height of six inches, and remove trash as needed.
3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, 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 be handled in a manner that will not adversely impact water quality (Le.
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 4.5 feet in the main pond, the sediment shall be removed.
When the permanent pool depth reads 4.5 feet in the forebay, the sediment shall be removed.
Sediment Rcn oval El. 12.5 75
Bottom Ele ation 11.0
FOREBAY
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation 17.0
Sediment Removal Elevation 12.5 75/°
-------------------------------------------- -
Bottom Elevation 11--2)
°
.0 3 25
MAIN POND
5. 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.
6. 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 practical.
Form SWU-102 Rev 3.99 Page 3 of 4

7. All components of the wet detention basin system shall be maintained in good working order.
acknowledge and agree by my signature below that I atn 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: Jim Stallings
Title: Member/Manager
Address: 604 East [Main Street, Havelock, NC 28532
Phone: [phone]
Signature:
Date: k 0 - 2 S—%Z)S
Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a
resident of the subdivision has been named the president.
1 Beth Simmons a Notary Public for the State of North Carolina
County of Craven .,do hereby certify that Jim Stallings
personally appeared before me this 2 Q-41-day of 9 C,1�1t��Y nos , and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
'•%
NOTARY
PUBUC
My commission expires
SEAL
April 22, 2009
Form SWU-102 Rev 3.99 Paue 4 of 4

s ;5'�.n+ir
r" � � ' f'� "''
3. 3: � �..'p� . rf `�
,., r . � ;i
�[ rw. y� �J
ti. '`

Permit No.
(to be provided by DVVQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
BIO-RETENTION BASIN NO. 1
INFILTRATION BASIN SUPPLEMENT
This forth may be photocopied far use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
snowing all stormwater conveyances and system details.
1. PROJECT INFORMATION
Project Name : Arbor Green - A Planned Unit Development
Contact Person: Jim Stallings Phone Number: ( 252 ) 447-0865
This worksheet applies to: Basin No. 1 in Drainage Area 1
(ors identified on plans) (fronr Form S1111-t01)
11. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and -soil borings. County soil maps are not an acceptable source
of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Basin Design Parameters
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size (at bottom)
Basin VO]Ume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
GoA (Goldsboro Loamy Fine Sand)
2 in/hr or cflhr/sf (circle appropriate units)
15.0 fmsl (Seasonal high Water Table elevation)
1 inch (1.5 inch event for SA waters, 1 inch event.fa• others)
2,756 C.f.
0.25 days
21756 SF 11. x
2,756 c.f.
18.0 fmsl
19.0 fms]
20.0 fms[
sq. ft. (bottom dimensions)
Form S W U-103 Rev 3.99 rube 1 of 3

III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 21-1 .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. if the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
A- a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
d b. System is located at least 100 feet from water supply wells.
c. Bottom of system is at least 2 feet above the seasonal high water table.
Ad. d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
c. System is not sited on or in fill material or DWQ approval has been obtained.
o! f, System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
16; g. Drainage area for the device is less than 5 acres.
h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
ZV attached.
_Q/ i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event for
areas draining to SA waters ). Design volume and infiltration calculations attached,
q� J. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (I-I:V).
1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
tn. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
dense vegetative cover is provided.
d n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
d o. Flow distribution mechanism within the basin is provided.
p. A benchmark is provided to determine the sediment accumulation in the pretreatment device.
q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
s. Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Form SWU-103 Rev 399 Page 2 of 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion,
trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow
vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration. Remove any blockage and repair the structure to approved design
specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth
in the pretreatment unit is reduced to 75% of the original design depth. The system shall be restored to the
original design depth without over -excavating. Over -excavating may cause the required water table
separation to be reduced and may compromise the ability of the system to perform as designed. Removed
sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will
adversely impact water quality (i.e. stockpiling near a stormwater treatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original
design depth so that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
When the design depth reads 0.75 feet in the pretreatment unit, the sediment shall be
removed from both the pretreatment unit and the infiltration basin.
5. if the Division determines that the system is failing, the system will immediately be repaired to original
design specifications. If the system cannot be repaired to perform its design function, other stortwater
control devices as allowed by NCAC 21-1 .1000 must be designed, approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party.
Print Name and Title: Jim Stallings, Member/Manager
Address: Arbor Green, LLC 604 East Main Street, Havelock, NC 28532
Phone: [phone] Date: 1 Q- 25 - Z;Z�S
Signature:
Note: T e legally responsible par�7A orrldm"o1 he rr lzonreowners association unless more than 50% of the lots have been sold curd a
resident of the subdivision has been nanred the president.
1 Beth Simmons , a Notary Public for the State of NC , County of
Craven do hereby certify that Jilt] Stallings personally appeared before me this 25�
day of 'ZVZS, and acknowledge the due execution of the forgoing infiltration basin maintenance requirements.
Witness myDjqnd and official seal,
�tS My commission expires April 22, 2009
NOTARY
PUBLIC
WU-103 .Rt Page 3 of 3

Permit No.
(to be provided by DW&
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
BIO-RETENTION BASIN NO. 2
INFILTRATION BASIN SUPPLEMENT
This forin may be photocopied for use as an original
DWQ Storrnwater Management Plan Review:
A complete stonnwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name: Arbor Green - A Planned Unit Development
Contact Person: Sim Stallings Phone Number: ( 252 ) 447-0865
This workshcct applies to: Basin No. 2 in Drainage Area 1
(as irlerrifred on plans) (frnm Form sWU-101)
11. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable source
of soils information. All elevations shall be in feet mean sea level (fins]).
Soils Report Summary
Soil Type
Infiltration Rate
SI-IWT Elevation
Basin Design Parameters
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Basin Size (at bott(x)
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
GOA (Goldsboro Loamy Fine Sand)
2 in/hr or cf/hr/sf (circle appropriate units)
17.0 fmsl (Seasonal High Water Table elevation)
1 inch (1.5 inch event f )r SA waters, l inch event for others)
4,309 c.f.
0.25 days
4r309 ft.x
4,309 c.f.
21.0
fmsl
22.0
fmsl
23.0
fmsl
ft. = sq. ft. (boltom dimensions)
Form S W U-103 Rev 3.99
Page i of 3

III. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
k a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
c. Bottom of system is at least.2 feet above the seasonal high water table.
gt d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
T 4— e. System is not sited on or in fill material or DWQ approval has been obtained.
f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
g. Drainage area for the device is less than 5 acres.
i1( h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event for
areas draining to SA waters ). Design volume and infiltration calculations attached.
j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
m. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
dense vegetative cover is provided.
n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
44 o. Flow distribution mechanism within the basin is provided.
p. A benchmark is provided to determine the sediment accumulation in the pretreatment device.
q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
s. Plans ensure that the installed systen will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
Forin SWU-lo3 Rev 3.99 Page 2 of' 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
l . After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion,
trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow
vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing, rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration. Remove any blockage and repair the structure to approved design
specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth
in the pretreatment unit is reduced to 75% of the original design depth. The system shall be restored to the
original design depth without over -excavating. Over -excavating may cause the required water table
separation'to be reduced and may compromise the ability of the system to perform as designed. Removed
sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will
adversely impact water quality (i.e. stockpiling near a stormwater treatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original
design depth so that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
When the design depth reads 0.75 feet in the pretreatment unit, the sediment shall be
removed from both the pretreatment unit and the infiltration basin.
Ifthe Division determines that the system is failing, the systern will immediately be repaired to original
design specifications. If_thc system cannot be repaired to perform its design function, other storrTnvater
control devices as allowed by N'CAC 211-1 .1000 must be designed, approved and constructed.
I acknowledte and agree by my siunature below that I am responsible for the performance of the five
maintenance procedures listed above. I agxrce to notify DWQ of anv problems with the system or prior to anv
chances to the system or responsible party.
Print Name and Title: Jim Stallings, Member/Manager
Address: Arbor Green, LLC 604 East Main Street, Havelock, NC 28532
Phone
Signature:
!Vote:
[phone]
Date-.
-nbrs associcrtiopt unless more thatt 50%, of fhe lots have been sold crud a
resident of the strbciirisiori has been named the president.
Beth Simmons a Notary Public for the State of NC County of
Craven do hercbv certifv that Jam Stallings personally appeared before me this?5�``
day of p,C,-Qzt:�A—r , 2006, and acknowledge the due execution of the forgoing infiltration basin maintenance requirements.
WV PX999044nd official seal,
'Imp
f6
SfW*L Nlv commission expires April 22, 2009
NOTARY
PUBLIC
aii.11'U I (1,3rt99 Pa,2e 3 of ;

Permit No.
(io be provided hip DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
BIO-RETENTION BASIN NO. 3
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and specifications
showing all stormwater conveyances and system details.
I. PROJECT INFORMATION
Project Name : Arbor Green - A Planned Unit Development
Contact Person: Jim Stallings Phone Number: ( 252 ) 447-0865
This worksheet applies to: Basin No. 3 in Drainage Area 1
(as idenrijied wr plans) (frwn Forin SWU-lot)
II. DESIGN INFORMATION - Attach supporting calcuIationsldocumentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable source
of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Infiltration Rate
SI-IWT Elevation
Basin Design Parameters
Design Storm
GoA (Goldsboro Loamy Fine Sand)
2 inlhr or cf/hr/sf (circle appropriate units)
16.0 fmsl (Se(jsonal iligli Water Tcible elevation)
1
Design Volume 4,018
Drawdown Time 0.25
Basin Dimensions
Basin Size (at bottom) 4,018
Basin Volume Provided 4,018
inch (1.5 inch event foi-SA S+,aterv, l inch event.for otherv)
c.f.
days
ft. x
c. f.
Basin Elevations
Bottom Elevation 20.0 fmsl
Storage Elevation 21.0 tuns]
Top Elevation 22.0 fmsl
Form S W U- 103 Rev 3.99 Page 1 of 3
ft. = sq. ft: (boltoin dimensioti )

111. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
c. Bottom of system is at least 2 feet above the seasonal high water table.
d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
a c. System is not sited on or in fill material or DWQ approval has been obtained.
f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
d g. Drainage area for the device is less than 5 acres.
h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event for
areas draining; to SA waters ). Design volume and infiltration calculations attached.
ilf j. System is sized to take into account the runoff at the ultimate built-oUt potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
mot' k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
+ 1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or
sediment trap is provided.
in. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
dense vegetative cover is provided.
n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 501eet for SA waters, 30 feet for other waters).
o. Flow distribution mechanism within the basin is provided.
p. A benchmark is provided to determine the sediment accumulation in the pretreatment device.
d q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
s. Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
norm SWU-l03 Rev 3.99 Page 2 of 3

IV.- INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
. After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion,
trash accumulation, vegetative cover, and general condition. '
2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow
vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration. Remove any blockage and repair the structure to approved design
specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth
in the pretreatment unit is reduced to 75% of the original design depth. The system shall be restored to the
original design depth without over -excavating. Over -excavating may cause the required water table
separation to be reduced and may compromise the ability of the system to perform as designed. Removed
sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will
adversely impact water quality (i.e. stockpiling near a stormwater treatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original
design depth so that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
When the design depth reads 0.75 feet in the pretreatment unit, the sediment shall be
removed from both the pretreatment unit and the infiltration basin.
If the Division determines that the system is failing, the system will immediately be repaired to original
design specifications. If the system cannot be repaired to perform its design function, other stormwater
control devices as allowed by NCAC 2H .1000 must be designed, approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the five
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party.
Print Name and Title: Jim Stallings, Member/Manager
Address: Arbor Green, LLC 604 East Main Street, Havelock, NC 28532
Phone: [phone]
Signature:
Date: Q�• 25C>�
Note: Tly�leb�nllr' respatsihle p�r%ty shvrticl xor be a itnnteou trer;s crssoCicrtian rntless »rare lhcrtr SO% v(!hc Ints hcme beat ,rvlrl attd rr
r•esiclerrt of the sr btfivision has been neuneel the presrclenl.
Beth Simmons , a Notary Public for the State of NC
Cottnty of
Craven do hereby certify that Jim Stallings personally appeared before me this ZS_1``r
day of cL.-4� OvS, and acknowledge the due execution of the forgoing infiltration basin maintenance rccluiremcnts.
Witness my hand and official seal,
aitnneaut:as0
s°a�4(µ SIMA4 �v
A -AL, ties' My commission expires April 22, 2009
[Ornt Styli-103 0, Page 3 0l 3

Permit No.
(to be proi4ded big DIVQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
BIO—RETENTION BASIN NO. 4
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwatcr Mana cment Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
infiltration basin supplement for each system, design calculations, soils report and plans and'specifications
showing all stormwater conveyances and system details.
1. PROJECT INFORMATION
Project Name : Arbor Green — A Planned unit Development
Contact Person: Jim Stallings Phone Number: 2 2
This worksheet applies to: Basin No. in Drainage Area
(as identified on plans) (from Form SWU--101)
11. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be
based upon an actual field investigation and soil borings. County soil maps are not an acceptable source
of soils information. All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type GoA (Goldsboro Loamy Fine Sand)
Infiltration Rate 2 in/hr or cf/hr/sf (circle appropriate units)
SH WT Elevation 19.0 fmsl {Scasoiarr! ffigh 6t�ater Table elevrnion}
Basin Design Parameters
Design Storm 1 inch (I.S inch event for SA waters, f inch eventJorothers)
Design Volume 13,361 c.f.
Drawdown Time 0.25 days
Basin Dimensions
Basin Size (at bottom) 13,422 SF ft. x
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
13.422 c.f.
23.0 fmsl
24.0 fmsl
25-0 _ fmsi
ft. =
ft. (bottoin dimensions)
Form SWU-103 Rev 3.99 Page I of 3

, I11. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Initials
'J _ a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
41 c. Bottom of system is at least 2 feet above the seasonal high water table.
e4 d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
e. System is not sited on or in fill material or DWQ approval has been obtained.
f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
o� g. Drainage area for the device is less than 5 acres.
a h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
i. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event for
areas draining to SA waters ). Design volume and infiltration calculations attached.
j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
01i k, All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V).
1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed Swale or
sediment trap is provided.
�l m. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
dense vegetative cover is provided.
o� n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
�] o. Flow distribution mechanism within the basin is provided.
p. A benchmark is provided to determine the sediment accumulation in the pretreatment device.
q. Runoff in excess of the design volume bypasses off-line systems (bypass detail provided).
gL r. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days. A soils report and all
pertinent draw -down calculations are attached.
s. Plans ensure that the installed system will meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
form SWU-1o3 Rev 3.99 Page 2 or 3

IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREENIENT
After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion,
trash accumulation, vegetative cover, and general condition.
Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, mow
vegetated cover to maintain a maximum height of six inches, and remove trash as needed.
After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration. Remove any blockage and repair the structure to approved design
specifications. y
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth
in the pretreatment unit is reduced to 75% of the original design depth. The system shall be restored to the
original design depth without over -excavating. Over -excavating may cause the required water table
separation to be reduced and may compromise the ability of the system to perform as designed. Removed
sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will
adversely impact water quality (i.e. stockpiling near a stormwater treatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original
design depth so that accurate sediment accumulation readings can be taken. The measuring device used to
determine the depth at the benchmark shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
When the design depth reads 0.75 feet in the pretreatment unit, the sediment shall be
removed from both the pretreatment unit and the infiltration basin.
5. If the Division determines that the system is failing, the system %%-ill imrnediatcly be repaired to original
design specifications. If the system cannot be repaired to perform its design function, other stormwater
control devices as allowed by NCAC 2H .1000 must be designed, appro%,cd and constructed.
I acknowled�,e and agree by my signature below that I am responsible for the performance ot'the fi%'e
maintenance procedures listed above. I agree to notify D\VQ ofany problems +vlth the system or prior to any
changes to the system or responsible party.
Print Name and Title: Jim Stallings, Member/Manager
Address: Arbor Green, LLC 604 East Main Street, Havelock, NC 28532
Phone: [phone]
S11111atUre:
Date:_ l G • 2_S — 2C1Q�5 -
Note: TIV IegillY responsih64n•tY should not he a hontecnsrrers associulion rmless more than i(J,f, 0j'the loss Inure been sold tend a
resident of the subdivision Irrrs been ncunecl the president.
Beth Simmons
County of
Craven �` do hereby ccrtifv that Jim Stallings personally appeared before me this
clay of ccV b5_' !r . 2l_�_, and acknoMeduc the due execution of the forgoing infiltration basin maintenance requirements.
IVitnes5_AiKA4aRj3_and official seal,
BtM��
ti
NOTARY
PUBLIC
:w U-1 t)3 •913i
M 0,0 _.
a Notary Public for the State of NC
INN Corn
Pace 3 of 3
xpires April 22, 2009

STQRMWATER NARRATIVE
Arbor Green - A Planned Unit Development
U.S. Highway 17 South
New Bern, North Carolina
The Arbor Green Subdivision project entails the development of 102 duplex units and 2
commercial outparcels on 1 1.13 acres of land located along U.S. Highway 17 South in New
Bern, Craven County, North Carolina. An access road will be constructed offof U.S. Highway
17 which will enter the property and circle the interior areas of the property. Two commercial
outparcels will be established along U.S. Highway 17, each approximately one acre in size. The
remaining property will be developed with 52 duplex buildings containing a total of 102 duplex
units. The entire property is being developed to an overall density of 50.84%. An engineered
stormwater system is proposed to be constructed as part of' the development in order to comply
with the Coastal Stormwater Regulations and the City of New Bern Stormwater Permitting
Requirements. All runoff from the subject property will be directed through bio-retention areas
which will contain the first inch runoff volume for each of the four drainage subbasins. Each of
these bio-retention areas will discharge to a stormwater retention pond located on the site which
is designed and will be constructed for 85% TSS removal. The stormwater pond will discharge
to the existing roadside ditch along the right-of-way of U.S. Highway 17. All runoff from the
subject property drains to Wilson Creek which is in the Neuse River Basin.
A total of four drainage subbasins exist on the subject property. The drainage subbasins were
established in order to separate the pretreatment function into manageable areas. All bypassed
runoff is re -accumulated and discharges to the stormwater retention pond. The stormwater
retention pond is designed to fully comply with the Coastal Stormwater Regulations itself.
However, the bio-retention areas are added as pretreatment devices in order to comply with the
City of New Bern Stormwater Permitting Requirements. Each drainage basin is discussed
below:
Drainage Subbasin No. 1 Drainage Basin No. l includes Parcel A which covers a
total of 1.09 acres of land. This outparcel will be
developed with a commercial building and parking lot.
This drainage basin will be developed to a density of
65.74%. Bio-Retention Area No. 1 is designed to fully
contain the one -inch storm volume. Any excess runoff will
bypass the bio-retention area and will discharge directly to'
the stormwater pond.
Drainage Subbasin No. 2 Drainage Basin No. 2 includes all the areas encompassing
Parcel 2 and a fringe area on the southern side of the
duplex buildings in the areas of Lots 7 - 34. It is proposed
that this drainage basin be constructed to an overall density
of'50.45%. The one -inch storm volume from this drainage
basin will discharge to Bio-Retention Area No. 2. Any
excess runoff will bypass the bio-retention area and will
discharge directly to the stormwater pond.

Drainage Basin No. 3 Drainage Basin No. 3 includes the entrance road and a
portion of the duplex property in the area of the traffic
circle. It is proposed that this drainage basin be developed
to an overall density of 55.32%. All runoff from this
drainage basin discharges to Bio-Retention Area No. 3.
Volume in excess of the one -inch storm volume will bypass
the bio-retention area and will discharge directly to the
stormwater retention pond.
Drainage Basin No.4 Drainage Basin No. 4 includes the majority of the duplex
area of the property. It is proposed that this drainage basin
be developed to an overall density of 47.19%. The one -
inch storm volume from this drainage basin will discharge
to Bio-Retention No. 4. Any excess runoff will bypass the
bio-retention area and will discharge directly to the
stormwater retention pond.
Each bio-retention area was sized for a maximum flooded depth of one foot. It is proposed that
the bottom of the bio-retention areas by constructed with a sand and mulch bed and will be
landscape in accordance with details shown on the project plans. The stormwater retention pond
is designed for 85% TSS removal. A vegetated outlet swale will be provided at the discharge
structure to connect with the existing roadside ditch along U.S. Highway 17.
The installation of the stormwater system as designed will result in the capture of the first one -
inch runoff volume in the bio-retention areas. This runoff volume will infiltrate. The second
one -inch storm volume will be contained in the stormwater retention pond and will discharge at
a control rate between two to five days. All runoff in excess of the two-inch storm volume will
bypass the bio-retention areas and will overflow the outlet structure and discharge directly to the
roadside ditch along U.S. Highway 17.
The proposed stormwater management system for the project frilly complies with the Coastal
Stormwater Regulations and the City of New Bern Stormwater Regulations. Specifically, the
proposed devices provide the total nitrogen removal and flow control measures needed to
develop the project in accordance with the City of New Bern Stormwater Permitting
Requirements.

wad
ROY COOPU
f �r1N+'+ArN
MICHAI €. S. RI (3AN
Srrrc(a!-).
DAN{1=1.. SMITH
tNr ,7Pa
Owirmintreiro!Quality
June 26, 2019
Arbor Green Property Owners Association, Inc.
P.O. Box 778
Havelock, NC 28532
Subject: Stormwater Permit Renewal & Ownership Change
Stormwater Management Permit SW7051109
Arbor Green — Planned Unit Development
Craven County
Dear Sir:
A Division of Energy, Mineral, and Land Resources file review has determined that
Stormwater Permit SW7051109 for a stormwater treatment system consisting of a wet
detention pond and bioretention basins serving the Arbor Green development located
on US Hwy 17 South in New Bern, NC expires on February 6, 2020. This is a reminder
that permit renewal applications are due 180 days prior to expiration. We do not have a
record of receiving a renewal application.
The permit was originally issued to Arbor Green, LLC. It was noted in the Craven
County tax records that the property is now owned by the Arbor Green Property Owners
Association, Inc. Permits are not automatically transferred to new owners without the
submittal of an ownership change application and fee. Please submit a completed
permit renewal application along with a $505.00 fee for permit renewal and an
ownership change application with an additional $505.00 fee. Application forms for
renewal and ownership change can be found -on our website at:
North Carolina General Statutes and the
Coastal Stormwater rules require that this property be covered under a stormwater
permit. Failure to maintain a permit subjects the owner to assessment of civil penalties.
If you have questions, please feel free to contact me at [phone]. 1 will be glad to
discuss this by phone or meet with you. If you would like, I can e-mail you a copy of the
application forms. You can request a copy by e-mailing me at
Sincerely,
Roger K. Thorpe
Environmental Engineer
Nrath (,a ,olinu tancnl of Envirnnntewal Quality I Divislon of Energy, Wicral anti Land kcs611:'C0.i
D_ E QQ
Vt+trstringfnr� l:cciir�t��a1 UI[i::r) '�.1:41'Vi��,ltingr��t� Square N.rll i 4V;r:.l>iu<3rnif. Nnrth C�.u•r�liar 2iflfi�l
n.`wmiwnmtmmn��n+rw+�_� 2 i"L!3hh.h4til

ROY COOPER
Gove� nor
MICHAEL S. REGAN
Secretury
S. DANIEL SMITH
Dirrctor
NORTH CAROLINA
Environmental Quality
June 26, 2019
Arbor Green Property Owners Association, Inc.
P.O. Box 778
Havelock, NC 28532
Subject: Stormwater Permit Renewal & Ownership Change
Stormwater Management Permit SW7051109
Arbor Green — Planned Unit Development
Craven County
Dear Sir:
A Division of Energy, Mineral, and Land Resources file review has determined that
Stormwater Permit SW7051109 for a stormwater treatment system consisting of a wet
detention pond and bioretention basins serving the Arbor Green development located
on US Hwy 17 South in New Bern, NC expires on February 6, 2020. This is a reminder
that permit renewal applications are due 180 days prior to expiration. We do not have a
record of receiving a renewal application.
The permit was originally issued to Arbor Green, LLC. It was noted in the Craven
County tax records that the property is now owned by the Arbor Green Property Owners
Association, Inc. Permits are not automatically transferred to new owners without the
submittal of an ownership change application and fee. Please submit a completed
permit renewal application along with a $505.00 fee for permit renewal and an
ownership change application with an additional $505.00 fee. Application forms for
renewal and ownership change can be found on our website at:
lat<tps: f�decl.nc.�ov�a_ aul/divisiora�f era�rlly-cttir�er'al-lant�-resources/eri ray -mineral -land-
rules/St:armwatQr-l)r.Qgrarra./po;t-c. nst.ructioii. North Carolina General Statutes and the
Coastal Stormwater rules require that this property be covered under a stormwater
permit. Failure to maintain a permit subjects the owner to assessment of civil penalties.
If you have questions, please feel free to contact me at [phone]. 1 will be glad to
discuss this by phone or meet with you. If you would like, I can e-mail you a copy of the
application forms. You can request a copy by e-mailing me at
roger.thoroe(dncdenrrQov
Sincerely,
v d �. `" ��.
Roger K. Thorpe
Environmental Engineer
,Ile®� Nortli Carolina Department of Environmeartal Quality I Division of Energy, Mineral and Land Resources
Washington Regionar Office ; 943 Washington Square Mail I Washington, North Carolina 27889
252.946.6481

ROY CUOI't:R.
6"1'1'f 11f r
MICHAEL S. RFGAN
„s"o cork y
5, DANIE L SMITH
f.trrrr•!r,r
NC'IRTI t t;lvl i11..4NA
l:n Vir*)wjrr71'al Quolif y
July 8, 2019
Arey W. Grady, III, Registered Agent
Arbor Green Property Owners Association, Inc.
P.o. Drawer 889
New Bern, NC 28563
Subject: Stormwater Permit Renewal & Ownership Change
Stormwater Management Permit SW7051109
Arbor Green — Planned Unit Development
Craven County
Dear Arey Grady:
A Division of Energy, Mineral, and Land Resources file review has determined that
Stormwater Permit SW7051109 for a stormwater treatment system consisting of a wet
detention pond and bioretention basins serving the Arbor Green development located
on US Hwy 17 South in New Bern, NC expires on February 6, 2020. This is a reminder
that permit renewal applications are due 180 days prior to expiration. We do not have a
record of receiving a renewal application.
The permit was originally issued to Arbor Green, LLC. It was noted in the Craven
County tax records that the property is now owned by the Arbor Green Property Owners
Association, Inc. Permits are not automatically transferred to new owners without the
submittal of an ownership change application and fee. Please submit a completed
permit renewal application along with a $505.00 fee for permit renewal and an
ownership change application with an additional $505.00 fee. Application forms for
renewal and ownership change can be found on our website at:
F .:.�.:=__._.._..51 .l. North Carolina General Statutes and the
Coastal Stormwater rules require that this property be covered under a stormwater
permit. Failure to maintain a permit subjects the owner to assessment of civil penalties.
If you have questions, please feel free to contact me at [phone]. l will be glad to
discuss this by phone or meet with you. If you would like, I can e-mail you a copy of the
application forms. You can request a copy by e-mailing me at
Sincerely,
,� J-"-
foge K. Thorpe
Environmental Engineer
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