SW7100205_CURRENT PERMIT_20110614

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW 7C �na
DOC TYPE
FVP CURRENT PERMIT n
❑ APPROVED PLANS �tA) �Jl�ss
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

A A r
NC®ENR
North Carolina Department of Environment and
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins
Governor Director
June 14, 2011
Mr. Douglas E. Anderson, Executive VP
Burton Farm Development Company, LLC
1021 Noell Lane
Rocky Mount, NC 27804
Natural Resources
Subject: Stormwater Permit No. SW7100205
Arlington Place
High Density Subdivision Project
Pamlico County
Dear Mr. Anderson:
• 'r
Dee Freeman
Secretary
The Washington Regional Office received a complete Stormwater Management Permit Application for
Arlington Place on May 16, 2011. Staff review of the plans and specifications has determined that the
project, as proposed, will comply with the Stormwater Regulations set forth in Session Law 2008-211
and Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7100205, dated June 14, 2011, for
the construction of the project.
This permit shall be effective from the date of issuance until June 14, 2021, 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 Scott
Vinson, or me at [phone].
SihcereLe-7��
AI Hod�odg
Regional Supervisor
Surface Water Protection Section
AH/sv: S:\WQS\STORMWATER\SW7100205
cc: Andy Deel, PE — Quible & Associates
Pamlico County Inspections
9oug Huggett, Division of Coastal Management
r ashington Regional Office
North Carolina Division of Water Quality Internet www.novaterquality.org ONE
943 Washington square Mall Phone: [phone] FAX: [phone] North Caro l i n a
.Washington, NC 27669 FAX [phone] Naturally
An Equal Opportunity 1 Affirmative Action Employer !Z

State Stormwater Management Systems
Permit No. SW7100205
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY SUBDIVISION 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
Burton Farm Development Company, LLC
Arlington Place
Burton Farm Road, Minnesott Beach, Pamlico County
FOR THE
construction, operation and maintenance of a six wet detention ponds, five constructed wetlands,
seven infiltration basins, and seventeen level spreader/vegetated filter strips in compliance with the
provisions of Session Law 2008-211 and 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 June 14, 2011 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.
This stormwater system has been approved for the management of stormwater runoff as
described in Section 1.5-10 of this permit. The subdivision is permitted for 354 lots, each
allowed a maximum of 4,000 square feet of built -upon area.
3. The runoff from all built -upon area within the permitted drainage area of this project must be
directed into the permitted stormwater control system.
4. The built -upon areas associated with this project shall be located at least 50 feet landward of
all perennial and intermittent surface waters.
Page 2 of 10

State Stormwater Management Systems
Permit No. SW7100205
5. The following design criteria have been provided in the infiltration basins and must be
maintained
at design condition:
a.
Drainage Area, ft2:
DA#1 DA#2 DA#3 DA#12
13 5,$$9 5-T3--,1-77 144,239 320,921
b.
Total Impervious Surfaces, ft2:
149,871 201,924 54,341 92,986
c.
Design Storm, inches:
1.50 1.50 1.50 1.50
d.
Basins Depth, ft:
2.00 1.20 1.00 1.00
e.
Bottom Surface Area, ft2:
8,760 32,269 13,446 23,920
f.
Bottom Elevation, FMSL:
17.50 23.00 22.50 31.00
g.
Bypass Elevation, FMSL:
19.50 24.20 23.50 32.00
h.
Permitted Storage Volume, ft3:
28,373 42,511 15,869 26,315
i.
Type of Soil:
Sands
j.
Expected Infiltration Rate, in/hr:
0.59
k.
Seasonal High Water Table, FMSL: 15.00 20.00 20.00 27.00
6. The following design criteria have been provided in the infiltration basins and must be
maintained
at design condition:
a.
Drainage Area, ft2:
DA#13 DA#14 DA#18
4307453�,2Mb 125, 89
b.
Total Impervious Surfaces, ft2:
162,313 133,428 59,505
C.
Design Storm, inches:
1.50 1.50 1.50
e.
Basins Depth, ft:
1.00 1.30 1.00
e.
Bottom Surface Area, ft2:
28,514 19,239 11,519
f.
Bottom Elevation, FMSL:
31.00 26.00 25.00
h.
Bypass Elevation, FMSL:
32.00 27.30 26.00
h.
Permitted Storage Volume, ft3:
31,052 28,658 12,202
i.
Type of Soil:
Sands
j.
Expected Infiltration Rate, in/hr:
5.54 0.52 0.65
k.
Seasonal High Water Table, FMSL: 28.00 24.00 23.00
Page 3 of 10

State Stormwater Management Systems
Permit No. SW7100205
7. The following design elements have been permitted for this wet detention pond stormwater
facility,
and must be provided in the system at
all times.
DA#5
DA#6
DA#9
a.
Drainage Area, acres:
333,216
878,298
121,435
b.
Total Impervious Surfaces, ft2:
99,308
202,263
71,484
c.
Average Pond Design Depth, feet:
3.20
4.50
3.30
d.
TSS removal efficiency:
90%
90%
90%
e.
Design Storm:
1.50
1.50
1.50
f.
Permanent Pool Elevation, FMSL:
18.00
6.00
24.00
g.
Permitted Surface Area @PP ft2:
11,029
20,989
14,833
h.
Permitted Storage Volume, ftj:
38,062
51,878
28,461
i.
Storage Elevation, FMSL:
20.00
8.00
25.60
I.
Controlling Orifice:
2.50"
3.00"
2.00" 0 pipe
m.
Permanent Pool Volume, ft3:
21,640
77,030
36,125
n.
Forebay Volume, ft3:
3,837
14,192
8,171
o.
Maximum Fountain Horsepower:
0 hp
1/4 hp
1/8 hp
8. The following design elements have been permitted for this
wet detention
pond stormwater
facility, and must be provided in the system at
all times.
DA#10-11
DA#15-16
DA#17
a.
Drainage Area, acres:
986,585
1,050,582
477,813
b.
Total Impervious Surfaces, ft2:
366,036
381,668
305,070
c.
Average Pond Design Depth, feet:
5.00
4.20
4.00
d.
TSS removal efficiency:
90%
90%
85%
e.
Design Storm:
1.50
1.50
1.50
f.
Permanent Pool Elevation, FMSL:
27.00
26.00
22.00
g.
Permitted Surface Area @PP ft2:
26,931
130,301
21,400
h.
Permitted Storage Volume, ftj:
68,390
138,403
54,100
i.
Storage Elevation, FMSL:
29.00
27.00
24.00
I.
Controlling Orifice:
3.00"
6.001,
3.00" 0 pipe
m.
Permanent Pool Volume, ft3:
92,695
428,686
72,782
n.
Forebay Volume, ft3:
19,348
103,446
15,315
o.
Maximum Fountain Horsepower:
1/3 hp
1.0 hp
1/4 hp
9. The following design criteria have been provided
in the constructed wetland systems and
must
be maintained at design condition:
DA#1A
DA#4
DA#7
a.
Drainage Area, ft2:
$6-,MT
9�,325
3�$
b.
Total Impervious Surfaces, ft2:
47,401
19,717
22,090
C.
Design Storm, inches:
1.50
1.50
1.50
d.
Permanent Pool (PP)Elevation, FMSL:
18.50
20.50
10.50
e.
Shallow Water (PP) Surface Area, ft2:
3,696
2,629
1,639
f.
Temporary Pool (TP) Elevation, FnSL:
19.50
21.50
11.50
g.
Shallow Land (TP) Surface Area, ft :
8,777
6,370
4,082
h.
Required Storage Volume, 12:
7,374
5,150
3,403
i.
Provided Storage Volume, ft :
7,990
6,370
3,615
j.
Controlling Orifice:
1.501,
1.50"
0.75" 0 pipe
k.
Permitted Forebay Area, ft2:
889
729
518
Page 4 of 10

State Stormwater Management Systems
Permit No. SW7100205
10. The following design criteria have been provided in the constructed wetland systems and
must be maintained at design condition:
DA#8
DA#25
a.
Drainage Area, ft2:
44,968
90,218
b.
Total Impervious Surfaces, ft2:
15,624
46,338
C.
Design Storm, inches:
1.50
1.50
d.
Permanent Pool (PP)Elevation, FMSL:
1.00
17.50
e.
Shallow Water (PP) Surface Area, ft2:
1,202
3,273
f.
Temporary Pool (TP) Elevation, FNJ2SL:
8.00
18.50
g.
Shallow Land (TP) Surface P�rea, ft :
3,075
8,322
h.
Required Storage Volume, ft :
3,053
7,438
i.
Provided Storage Volume, ft3:
3,075
8,322
j.
Controlling Orifice:
1.001,
1.50" 0 pipe
k.
Permitted Forebay Area,ft2:
375
1,145
For all drainage areas listed above the receiving stream is the Neuse River with a stream index
number: 27 — (96) and a Stream Classification of "SC, Sw, NSW".
II. SCHEDULE OF COMPLIANCE
No homeowner/lot owner/developer shall fill in, alter, or pipe any drainage feature (such as
swales) shown on the approved plans as part of the stormwater management system without
submitting a revision to the permit and receiving approval from the Division.
2. The permittee is responsible for verifying that the proposed built -upon area for the entire lot
does not exceed the maximum allowed by this permit. Once the lot transfer is complete, the
built -upon area may not be revised without approval from the Division of Water Quality, and
responsibility for meeting the built -upon area limit is transferred to the individual property
owner.
3. If an Architectural Review Board or Committee is set up by the permittee to review plans for
compliance with the BUA limit, the plans reviewed must include all proposed built -upon area.
Any approvals given by the Board do not relieve the homeowner of the responsibility to
maintain compliance with the permitted BUA limit.
4. 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.
5. 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.
6. 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 the approved plans, regardless of size.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area.
e. Further subdivision, acquisition, or sale of all or part of the project area. The project
area is defined as all property owned by the permittee, for which Sedimentation and
Erosion Control Plan approval or a CAMA Major permit was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan.
Page 5 of 10

State Stormwater Management Systems
Permit No. SW7100205
7. The permittee shall submit for approval, final site layout and grading plans for any permitted
future development areas shown on the approved plans, prior to construction.
8. 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.
9. During construction, erosion shall be kept to a minimum and any eroded areas of the system
will be repaired immediately.
10. 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.
11. 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.
12. The permittee shall at all times provide the operation and maintenance necessary to assure
that all components of the permitted stormwater system function 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 side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans.
f. Debris removal and unclogging of structures, orifice, catch basins and piping.
g. Access to all components of the system must be available at all times.
13. Records of maintenance activities must be kept by the permittee. The records will indicate the
date, activity, name of person performing the work and what actions were taken.
14. ' 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.
15. Prior to the sale of any lot, the following deed restrictions must be recorded:
a. The following covenants are intended to ensure ongoing compliance with State
Stormwater Management Permit Number SW7100205, as issued by the Division of
Water Quality under NCAC 2H.1000.
b. The State of North Carolina is made a beneficiary of these covenants to the extent
necessary to maintain compliance with the Stormwater Management Permit.
C. These covenants are to run with the land and be binding on all persons and parties
claiming under them.
d. The covenants pertaining to stormwater may not be altered or rescinded without the
express written consent of the State of North Carolina, Division of Water Quality.
e. Alteration of the drainage as shown on the approved plans may not take place without
the concurrence of the Division of Water Quality.
f. The maximum built -upon area per lot is 4,000 square feet. This allotted amount includes
any built -upon area constructed within the lot property boundaries, and that portion of
the right-of-way between the front lot line and the edge of the pavement. Built upon area
includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate,
coquina and parking areas, but does not include raised, open wood decking, or the
water surface of swimming pools.
Page 6 of 10

State Stormwater Management Systems
Permit No. SW7100205
g. For those lots within CAMA's Area of Environmental Concern, where DCM calculates
different maximum lot built -upon area, the governing lot BUA shall be the most
restrictive of the two numbers.
h. All runoff on the lot must drain into the permitted system. This may be accomplished
through providing roof drain gutters, which drain to the street, grading the lot to drain
toward the street, or grading perimeter swales and directing them into the pond or
street. Lots that will naturally drain into the system are not required to provide these
measures.
i. Built -upon area in excess of the permitted amount will require a permit modification.
j. If permeable pavement credit is requested, the property owner must submit a request,
with supporting documentation, to the permittee and receive approval prior to
construction of BUA.
16. A copy of the recorded deed restrictions must be submitted to the Division within 30 days of
the date of recording the plat, and prior to selling lots. The recorded copy must contain all of
the statements above, the signature of the Permittee, the deed book number and page, and
the stamp/signature of the Register of Deeds.
17. Prior to transfer of the permit, the stormwater facilities will be inspected by DWQ personnel.
The facility must be in compliance with all permit conditions. Any items not in compliance must
be repaired or replaced to design condition prior to the transfer. Records of maintenance
activities performed to date will be required.
18. Decorative spray fountains will be allowed in the stormwater treatment system, subject to the
following criteria:
a. The fountain must draw its water from less than 2' below the permanent pool surface.
b. Separated units, where the nozzle, pump and intake are connected by tubing, may be
used only if they draw water from the surface in the deepest part of the pond.
c. The falling water from the fountain must be centered in the pond, away from the
shoreline.
d: The maximum horsepower for the fountain's pump is based on the permanent pool
volume. The maximum pump power for a fountain in each system is found in Section I
above.
20. If permeable pavement credit is desired, the permittee must submit a request to modify the
permit to incorporate such language as required by the Division of Water Quality. The request
to modify must include a soils report identifying the type of soil, the Seasonal High Water Table
elevation and the infiltration rate. Upon the successful completion of a permit modification, the
individual lot owners that request to utilize permeable pavements must submit the necessary
forms and documentation to the permittee and receive approval prior to construction of the
permeable pavement.
21. A copy of the approved plans and specifications shall be maintained on file by the Permittee at
all times.
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 completed
Name/Ownership Change form signed by both parties, to the Division of Water Quality,
accompanied by the supporting documentation as listed on page 2 of the form. 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 a request to transfer the permit.
Page 7 of 10

State Stormwater Management Systems
Permit No. SW7100205
3. 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.
4. 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.
5. 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.
6. 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.
7. The permit issued shall continue in force and effect until revoked or terminated. 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.
8. 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.
9. Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit.
10. The issuance of this permit does not prohibit the Director from reopening and modifying the
permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws,
rules and regulations contained in Session Law 2008-211, Title 15A NCAC 21-1.1000, and
NCGS 143-215.1 et.al.
11. The permittee shall notify the Division in writing of any name, ownership or mailing address
changes at least 30 days prior to making such changes.
12. This permit shall be effective from the date of issuance until June 14, 2011. 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.
Permit issued this the 14th day of June, 2011.
TH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number SW7100205
Page 8 of 10

State Stormwater Management Systems
Permit No. SW7100205
Arlington Place Page 1 of 2
Stormwater Permit No. SW7100205
Pamlico County
Designer's Certification
I, , as a duly registered in the State of
North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of
the project,
(Project)
for (Project Owner) hereby state that, to the best of my
abilities, due care and diligence was used in the observation of the project construction such that the
construction was observed to be built within substantial compliance and intent of the approved plans
and specifications.
The checklist of items on page 2 of this form is a part of this Certification.
Noted deviations from approved plans and specifications:
Signature
Registration Number
Date
SEAL
Page 9 of 10

State Stormwater Management Systems
Permit No. SW7100205
Certification Requirements:
Page 2 of 2
1. The drainage area to the system contains approximately the permitted acreage.
2. The drainage area to the system contains no more than the permitted amount of built -
upon area.
3. All the built -upon area associated with the project is graded such that the runoff drains
to the system.
4. All roof drains are located such that the runoff is directed into the system.
5. The outlet/bypass structure elevations are per the approved plan.
6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outlet/bypass structure.
8. All slopes are grassed with permanent vegetation.
9. Vegetated slopes are no steeper than 3:1.
10. The inlets are located per the approved plans and do not cause short-circuiting of the
system.
11. The permitted amounts of surface area and/or volume have been provided.
12. Required drawdown devices are correctly sized per the approved plans.
13. All required design depths are provided.
14. All required parts of the system are provided, such as a vegetated shelf, a forebay, and
the vegetated filter.
15. The required dimensions of the system are provided, per the approved plan.
cc: NCDENR-DWQ Regional Office
Pamlico County Building Inspections
Page 10 of 10