SW7170404_Final Permit_20170427

Energy, Mineral &
Land Resources
ENVIRONMENTAL QUALITY
April 27, 2017
Duke Energy Progress
Mr. Rodney Hutcherson
410 South Wilmington Street, NC 02
Raleigh, NC 27601
Subject: Permit No. SW7170404
Bayboro 230kV Substation Expansion
Low Density Stormwater Project
Pamlico County
Dear Mr. Hutcherson:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
TRACY DAVIS
Director
The Washington Regional Office received a complete Stormwater Management Permit
Application for the Bayboro 230kV Substation Expansion project on April 10, 2017. 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. SW7161005 dated November 3, 2016, for the construction of the
subject project.
This permit shall be effective from the date of issuance until rescinded and shall be
subject to the conditions and limitations as specified therein, and does not supercede any other
agency permit that may be required.
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 150E of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. 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 me at [phone].
Sincerely,
William Carl Dunn, PE
Environmental Engineer
cc: Cory George, PE — McAdams (2905 Meridian Parkway, Durham, NC 27713)
Pamlico County Inspections
Washington Regional Office
State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources
Washington Regional Office 1 943 Washington Square Mall I Washington, NC 27889
252 946 6481

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
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
Duke Energy Progress
Bayboro 230kV Substation Expansion
FOR THE
construction, operation and maintenance of a low density project in compliance with the
provisions of Session Law 2008-211 and Title 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 Energy, Mineral, and Land Resources (Division) and considered a part of
this permit.
The Permit shall be effective from the date of issuance until rescinded and shall be subject
to the following specific conditions and limitations:
I. DESIGN STANDARDS
This permit covers the construction of 14,182 square feet (5.3% coverage) of build -
upon area on this 6.18 acres tract of land.
2. The overall tract built -upon area percentage for the project must be maintained at
or below 24%, as required by Section 2H .1005 of the stormwater rules.
3. Approved plans and specifications for projects covered by this permit are
incorporated by reference and are enforceable parts of the permit and shall be kept
on file by the permittee at all times.
4. The only runoff conveyance systems allowed will be vegetated conveyances such
as swales with minimum side slopes of 3:1 (H:V) as defined in the stormwater rules
and approved by the Division.
State of North Carolina I Environmental Quality I Energy. Mineral and Land Resources
Washington Regional Office i 943 Washington Square Mall I Washington, NC 27889
252 946 6481

No piping is allowed except that minimum amount necessary to direct runoff
beneath an impervious surface such as a road or to provide access.
The built -upon areas associated with this project shall be located at least 50 feet
landward of all perennial and intermittent streams or other surface waters.
II. SCHEDULE OF COMPLIANCE
The permittee is responsible for verifying that the proposed built -upon area does
not exceed the allowable built -upon area.
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.
This project may not be sold or subdivided in whole or in part without first receiving
a permit modification from the Division.
Prior to the subdivision and/or sale of this project, in whole or in part, the following
deed restrictions must be recorded with the Office of the Register of Deeds:
a. The following covenants are intended to ensure ongoing compliance with
State Stormwater Management Permit Number SW7170404, as issued by
the Division of Energy, Mineral, and Land Resources under 15A 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 Energy, Mineral, and Land Resources.
e. Alteration of the drainage as shown on the approved plans may not take
place without the concurrence of the Division of Energy, Mineral, and Land
Resources.
f. This project is permitted for a maximum of 24% of built -upon area.
Construction of additional built -upon area in excess of this amount will
require a permit modification.
g. This project may not be sold or subdivided, in whole or in part, without first
receiving a permit modification from the Division.
h. Construction of additional impervious areas such that low -density
requirements are no longer met will require a permit modification prior to
construction. An engineered system will be required to collect and treat the
runoff from all built -upon area associated with the project, including that
area permitted under the low density option.
State of North Carolina I Environmental Quality Energy, Mineral and Land Resources
Washington Regional Office 1 943 Washington Square Mall I Washington, NC 27889
252 946 6481

Filling in or piping of any vegetative conveyances (ditches, swales, etc.)
associated with this development, except for average driveway crossings,
is strictly prohibited by any persons.
The built -upon areas shall be located a minimum of 50 feet landward of all
perennial and intermittent surface waters.
5. A copy of the recorded restrictions must be received in this Office within 30 days
of the date of sale.
6. Filling in or piping of any vegetative conveyances (ditches, swales, etc.) associated
with the permitted development, except for average driveway crossings, is strictly
prohibited by any persons.
7. 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.
8. 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 the project area in whole or in
part. The project area is defined as all property owned by the permittee, for
which Sedimentation and Erosion Control Plan approval was sought.
f. Filling in, altering or piping any vegetative conveyance shown on the
approved plan.
Please be aware that it is the responsibility of the permit holder, to notify the
Division of any changes in ownership and request an ownership/name change for
the stormwater permit.
10. Swales and other vegetated conveyances shall be constructed in their entirety,
vegetated, and be operational for their intended use prior to the construction of any
built -upon surface.
11. During construction, erosion shall be kept to a minimum and any eroded areas of
the swales or other vegetated conveyances will be repaired immediately.
12. The permittee shall at all times provide the operation and maintenance necessary
to operate the permitted stormwater management systems at optimum efficiency
to include:
a. Inspections
b Sediment removal.
C. Mowing, and re -vegetating of the side slopes.
d. Immediate repair of eroded areas.
State of North Carolina I Environmental Quality i Energy. Mineral and Land Resources
Washington Regional Office 1 943 Washington Square Mall I Washington, NC 27889
252 946 6481

e. Maintenance of side slopes in accordance with approved plans and
specifications.
13. Within 30 days of completion of the project, the permittee shall certify in writing
that the project has been constructed in accordance with the approved plans.
14. The permittee shall submit all information requested by the Director or his
representative within the time frame specified in the written information request.
III. GENERAL CONDITIONS
This permit is not transferable to any person or entity except after notice to and
approval by the Director. The Director may require modification or revocation and
re -issuance of the permit to change the name and incorporate such other
requirements as may be necessary. In the event of a name or ownership change,
a completed Name/Ownership Change form, signed by both parties, must be
submitted to the Division 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.
2. The permittee is responsible for compliance with all permit conditions until the
Director approves a transfer of ownership. Neither the sale of the project nor the
transfer of common areas to a third party, such as a homeowner's association,
constitutes an approved transfer of the stormwater permit.
3. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division, in accordance with
North Carolina General Statutes 143-215.6A to 143-215.6C.
4. 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 Title 15A NCAC
21-1.1000 of the North Carolina Administrative Code, Subchapter 21-1.1000; and
North Carolina General Statute 143-215.1 et. al.
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 the Division, such as the construction of
additional or replacement stormwater management systems.
The permittee grants permission to DEQ Staff to enter the property during normal
business hours, for the purpose of inspecting all components of the stormwater
management facility.
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.
State of North Carolina Environmental Quality Energy, Mineral and Land Resources
Washington Regional Office 1 943 Washington Square Mail I Washington, NC 27889
252 946 6481

Unless specified elsewhere, permanent seeding requirements for the swales must
follow the guidelines established in the North Carolina Erosion and Sediment
Control Planning and Design Manual.
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 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), which have jurisdiction.
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.
Permit issued this the 27th day of April, 2017.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
5-------------------------- for
Tracy E. Davis, PE, CPM
Division of Energy, Mineral, and Land Resources
By Authority of the Environmental Management Commission
Permit Number SW7170404
State of North Carolina I Environmental Quality I Energy. Mineral and Land Resources
Washington Regional Office 1 943 Washington Square Mall I Washington. NC 27889
252 946 6481