SW7040502_Modification_20190614

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
interim Director
NORTH CAROLINA
Environmental Quality
Christopher Houtz, Director June 14, 2019
Harvey Point Defense Testing Activity
2835 Harvey Point Road
Hertford, NC 27944-8470
Subject: Permit No. SW7040502 Modification
Harvey Point Test Facility
Area 3 Hangar Building
Low Density Stormwater Project
Perquimans County
Dear Christopher Houtz:
The Washington Regional Office received a complete Stormwater Management Permit
Modification Application for Harvey Point Test Facility — Area 3 Hangar Building on April
25, 2019. 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. SW7040502 Modification dated June 14, 2019,
for the construction of the subject project.
This permit shall be effective from the date of issuance until rescinded, shall void permit
number SW7040502 issued on October 7, 2015 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,
2n,— -6, -.
William Carl Dunn, PE
Environmental Engineer
cc: David A. Deal, PE — Deel Engineering, PLLC ([e-mail])
Perquimans County Inspections
Washington Regional Office
�M� North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources
Washington Regional Office 1 943 Washington Square Mail I Washington, North Carolina 27889
252.946.6481

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
LOW DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules and Regulations
PERMISSION IS HEREBY GRANTED TO
Harvey Point Defense Testing Activity
Harvey Point Test Facility — Area 3 Hangar Building
Perquimans County
FOR THE
construction, operation and maintenance of a low density development 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 Energy,
Mineral, and Land Resources 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 100,302 square feet of built -upon area on
this 9.59 acres site.
The overall tract built -upon area percentage for the project must be maintained at
24%, as required by Section .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.
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.
5. No piping is allowed except that minimum amount necessary to direct runoff
beneath an impervious surface such as a road or to provide access.
6. 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.
Roof drains must terminate at least 50' from the Mean High Water line.
II. SCHEDULE OF COMPLIANCE
1. Projects covered by this permit will maintain a minimum 50' foot wide vegetative
buffer between all impervious areas and surface waters.
2. The permittee is responsible for verifying that the proposed built -upon area does
not exceed the allowable built -upon area.
3. 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.
4. 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 SW7040502 Modification,
as issued by the Division of Energy, Mineral, and Land Resources 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 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. Construction of additional built -upon area in excess of 100,302 square feet
will require a permit modification.
g. Construction of additional impervious areas such that low density
requirements are no longer met must be submitted to Division of Energy,
Mineral, and Land Resources and a permit modification must be issued
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.
h. 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.
i. A minimum 50 foot wide vegetated buffer area shall be provided between
surface waters and all impervious surfaces.
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. 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. 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.
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.

9. During construction, erosion shall be kept to a minimum and any eroded areas of
the swales or other vegetated conveyances will be repaired immediately.
10. 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 revegetating of the side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and
specifications.
11. 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.
12. 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
Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division of Energy, Mineral,
and Land Resources, in accordance with North Carolina General Statutes 143-
215.6A to 143-215.6C.
2. The permit issued shall continue in force and effect until revoked or terminated.
3. The permit may be modified, revoked and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and reissuance, or
termination does not stay any permit condition.
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 of the North
Carolina Administrative Code, Subchapter 2H.1000; and North Carolina General
Statute 143-215.1 et. al.
5. This permit is not transferable except after notice to and approval by the Director.
The Director may require modification or revocation and reissuance of the permit
to change the name and incorporate such other requirements as may be
necessary. A formal permit request must be submitted to the Division of Energy,
Mineral, and Land Resources accompanied by the appropriate fee,
documentation from both 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 the Director approves the transfer.

6. The permittee grants permission to DENR Staff to enter the property for the
purpose of inspecting all components of the stormwater management facility.
7. The permittee shall notify the Division of any name, ownership or mailing address
changes within 30 days.
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.
Permit issued this the 14th day of June, 2019.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
for
Danny Smith, Interim Director
Division of Energy, Mineral, and Land Resources
By Authority of the Environmental Management Commission
Permit Number SW7040502