SW7080118_Final Permit_20121106

`4
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Walkid Dee Freeman
Governor Director Secretary
DIVISION OF WATER QUALITY
November 6, 2012
Black Rock Development Corporation
Attn: Ms. Wanda H. Bell
138 North Shore Drive
Merry Hill, NC 27957
MODIFICATION for
Subject: Stormwater Permit No. SW7080118
Black Rock Subdivision
Low Density Stormwater Project
Bertie County
Dear: Ms. Bell:
The Washington Regional Office received your request to
modify the subject permit on September 11, 2012. This
modification combines all previous stormwater permits for this
project; and includes additional lots that were platted, but
inadvertently left out of the (2) original low density permits.
Based on a review of our files and the information you provided,
it has been determined that this subdivision will comply with the
Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We
are forwarding Permit No. SW7080118 dated November 6, 2012 to
Black Rock Development Corporation.
This permit replaces all previous stormwater permits for this
project, and shall be effective from the date of issuance until
rescinded, and shall be subject to the conditions and limitations
as specified therein.
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.
North Carolina Division of Water Quality Internet: wwwncwaternualitvore
943. Washington Square Mall_ __.. Phone: [phone] _ �7tiil.,One 7,, �-r 7
Washington, NC 27889 FAX [phone] o C�'ohna
An Equal Opportunity/Affirmative Action Employer -50%Recycled110% Post Consumer Paper Natumllrf

Page 2 of 8
Black Rock Development Corporation
November 6, 2012
Page Two
If you have any questions, or need additional information
concerning this matter, please contact Bill Moore at (252)948-
3919.
Sincerely,
Amy Ada Regional Supervisor
Surface Water Protection Section
Washington Regional Office
cc: Ms. Shannon Schwartz
Mr. Ted Good
Bertie County Planning/Inspections
WaRO Files

Page 3 of 8
State Stormwater Management Systems
Permit No. SW7080118
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
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
Black Rock Development Corporation
Bertie County
FOR THE
construction, operation and maintenance of stormwater management
systems 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 for
grassed swales and vegetated buffers to serve Black Rock
Subdivision located at Governor Eden House Road in Merry Hill, NC.
This permit replaces all previous stormwater permits for this
project, and shall be effective from the date of issuance until
rescinded, and shall be subject to the following specific
conditions and limitations:
I. DESIGN STANDARDS
1. The following criteria are approved as meeting the
stormwater rules for this project:
a. The total subdivision area is approximately 121
acres.
b. Total allowable impervious area including lots and
roads is 34.55 acres.
C. Allowable built -upon area for the 97 single family
residential lots is 34.13 acres.
d. Allowable built -upon area must be consistent with
proposed plans and restrictions submitted in the
application by the permittee.
3

Page 4 of 8
e. Lots 1-29, shown on Map 1, were platted November
10, 1987 prior to the 1988 State Stormwater
Rules, and are not covered by this permit.
2. The overall tract built -upon area percentage or lot
sizes for the project must be maintained at levels at
least as stringent as the low density levels specified
in the stormwater rules.
3. The development must demonstrate that no areas within
the project site are of such high density that
stormwater runoff threatens water quality.
4. Approved plans and specifications for projects covered
by this permit are incorporated by reference and are
enforceable parts of the permit.
5. The only runoff conveyance systems allowed would be
vegetated conveyances such as swales with minimum side
slopes of 3:1 (H:V) or curb outlet systems as defined
in the stormwater rules and approved by the Division.
6. No piping shall be allowed except:
a. That minimum amount necessary to direct runoff
beneath an impervious surface such as a road
b. That minimum amount needed under driveways to
provide access to lots.
7. Projects covered by this permit will maintain a minimum
30 foot wide vegetative buffer between all impervious
areas and surface waters. In addition, projects
located in the Neuse River Basin must comply with the
Neuse River Basin Riparian Buffer Rules.
8. No homeowner/lot owner/developer shall be allowed to
fill in, alter, or pipe any vegetative practices (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.
9. The permittee is responsible for verifying that the
proposed home plans do not exceed the allowable built -
upon area. Once the lot transfer is complete, the home
plan may not be revised without approval from the
permittee, and responsibility for meeting the built -
upon area limit is transferred to the individual
homeowner.
F

Page 5 of 8
10. Deed restrictions are incorporated into this permit by
reference and must be recorded with the Office of
Register of Deeds. Recorded deed restrictions must
include, as a minimum, the following statements related
to stormwater management:
a. A statement of the allowable built -upon area per
lot in the following form:
"The allowable built -upon area per lot shall not
exceed the square feet as shown in the attached
allowable impervious area worksheet, inclusive of
that portion of the right-of-way between the front
lot line and the edge of the pavement, structures,
pavement, walkways of brick, stone, slate, not
including wood decking."
b. Items related to stormwater management must remain
in the deed restriction, and this is to be
indicated by including the following: "The
covenants pertaining to stormwater regulations may
not be changed or deleted without concurrence of
the State."
C. To assure that vegetated conveyances are not piped
(in accordance with item 5) deed restrictions must
indicate that: "Filling in or piping of any
vegetative conveyances (ditches, swales, etc.)
associated with the development except for average
driveway crossings, is strictly prohibited by any
persons."
11. The Engineer /Owner/Developer/ Permittee must certify in
writing that the project's stormwater controls, and
impervious surfaces have been constructed within
substantial intent of the approved plans and
specifications.
12. The following items will require a modification to the
permit:
a. Any revision to the approved plans, regardless of
size
b. Project name change
C. Transfer of ownership
d. Redesign or addition to
built -upon area
e. Further subdivision of the
In addition,
revisions to
to the permit
the approved amount of
project area.
the Director may determine that other
the project should require a modification
5

Page 6 of 8
II
1
`a
3
0
5
13. The Director may notify the permittee when the
permitted site does not meet one or more of the minimum
requirements of the permit. Within the time frame
specified in the notice, the permittee shall submit a
written time schedule to the Director for modifying the
site to meet minimum requirements. The permittee shall
provide copies of revised plans and certification in
writing to the Director that the changes have been
made.
SCHEDULE OF COMPLIANCE
The permittee shall comply with the following schedule for
construction and maintenance of the Low Density Option
stormwater systems:
a. 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 except roads.
b. During construction, erosion shall be kept to a minimum
and any eroded areas of the swales or other vegetated
conveyances will be repaired immediately.
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.
The permittee shall submit recorded deed restrictions
limiting built -upon area per lot in accordance with Part I,
item 10, within 30 days of the date of recording.
The Permittee shall submit the Engineer/Owner/Designer/
Permittee Certification in accordance with Part I, item 11,
within 30 days of completion of the project.
The permittee shall submit all information requested by the
Director or his representative within the time frame
specified in the written information request.
9

Page 7 of 8
III. GENERAL CONDITIONS
1. Failure to abide by the conditions and limitations contained
in this permit may subject the Permittee to an enforcement
action by the Division of Water Quality, 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. The permittee shall submit to the Director and shall have
received approval for revised plans, specifications, and
calculations prior to construction, for those revisions under
any of the following conditions:
a. Any additions, deletions or redesign of the previously
permitted amount of built -upon area proposed regardless
of the size of the modification.
b. Further subdivision of the project area.
6. The permit is not transferable to any person 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 Water Quality
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.
7. The issuance of this permit does not preclude the Permittee
from complying with any and all statutes, rules, regulations,
or ordinances that may be imposed by other government
agencies (local, state and federal) that have jurisdiction.
7-_

Page 8 of 8
Permit issued this the 6 th day of November, 2012.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
a aho�
�6'Charles Waki , P.E., Director
Division of Water Quality
By Authority of the Environmental Management
Permit Number SW7080118
8
Commission

Black Rock Storm Water Impervious Area Worksheet
Lot #
lArea S
Area AC
Allowed Impervious
On -Site Bldg.
On -Site Parkin-
% Impervious
Plat Cabinet
B Pa a 527
1A & 1
623941
1.43
18718
3000
15718
30.00%
2A & 2
617011
1.41
18510
3000
15510
30.00%
3A & 3
616371
1.41
18491
3000
15491
30.00%
4A & 4
644211
1.48
19326
3000
16326
30.00%
5A & 5
780261
1.79
23408
3000
20408
30.00%
6A & 6
80411
1.85
24123
3000
21123
30.00%
7A & 7
87141
2
26142
3000
23142
30.00%
8
114887
2.64
34466
3000
31466
30.00%
9
113335
2.6
34001
3000
31001
30.00%
10
144747
3.32
43424
3000
40424
30.00%
11
91726
2.11
27518
3000
24518
30.00%
12
77454
1.78
23236
3000
20236
30.00%
13
65221
1.5
19566
3000
16566
30.00%
14
633411
1.45
19002
3000
16002
30.00%
15
52739
1.21
15822
3000
12822
30.00%
16
51037
1.17
15311
3000
12311
30.00%
✓ 1B
39830
0.91
11949
3000
8949
30.00%
2B
41150
0.94
12345
3000
9345
30.00%
3B
42271
0.97
12681
3000
9681
30.00%
4B
47748
1.1
14324
3000
11324
30.00%
513
49361
1.13
14808
3000
11808
30.00%
6B
50974
1.17
15292
3000
12292
30.00%
7B
54854
1.26
16456
3000
13456
30.00%
9B
152460
3.5
45738
3000
42738
30.00%
10B
53028.3
1.22
15908
3000
12908
30.00%
11B
56969.1
1.31
17091
3000
14091
30.00%
12B
56302.4
1.29
16891
3000
13891
30.00%
Plat Cabinet B':Pa a 618
1
51689.8
1.19
15507
3000
12507
30.00%
2
43450.5
11
13035
3000
10035
30.00%
3
35478.9
0.81
10644
3000
76441
30.00%
4
37198
0.85
11159
3000
8159
30.00%
5
32532.9
0.75
9760
3000
6760
30.00%
6
34848.8
0.8
10455
3000
7455
30.00%
✓ 7
31853.6
0.73
9556
3000
6556
30.00%
8
39536.9
0.91
11861
3000
8861
30.00%
9
41289.5
0.95
12387
3000
9387
30.00%
10
48310.4
1.11
14493
3000
11493
30.00%
11
435571
1
13067
3000
10067
30.00%
12
45603.8
1.05
13681
3000
106811
30.00%
13
34979.7
0.8
10494
3000
7494
30.00%
14
34625.5
0.79
10388
3000
7388
30.00%
15
34424.6
0.79
10327
3000
- 7327
30.00%
16
35051
0.8
10515
3000
7515
30.00%
17
37042.4
0.85
11113
3000
8113
30.00%
18
41080.1
0.94
12324
3000
9324
30.00%
19
42752.5
0.98
12826
3000
9826
30.00%
201
40403.1
0.93
12121
3000
9121
30.00%
21
44712.5
1.03
13414
3000
10414
30.0010
22
33560.4
1
13068
3000
10068
30.00%
231
43559.8
1
13068
30001
100681
30.00%
pale % U F "2•-

v
Lot #
lArea S
Area A
Allowed Impervious
On -Site ,Bldg.
On -Site Parkin
% Impervious
Plat Cabinet
B, Pa a 487
-
24
49236.7
1.13
14771
3000
11771
30.00%
25
55939.0
1.28
16782
3000
13782
30.00%
26
52984.7
1.22
15895
3000
12895
30.00%
27
29923.9
0.69
8977
3000
5977
30.00%
28
35576.2
0.82
10673
3000
7673
30.00%
29
38381.0
0.88
11514
3000
8514
30.00%
30
27740.3
0.64
8322
3000
5322
30.00%
31
26154.2
0.60
7846
3000
4846
30.00%
32
25783.2
0.59
7735
3000
4735
30.00%
PLAT Cabinet
B, Pa a 617:
1
39000.01
0.90
11700
3000
8700
30.00%
2
44999.9
1.03
13500
3000
10500
30.00%
3
44999.9
1.03
13500
3000
10500
30.00%
4
44999.9
1.031
13500
3000
10500
30.00%
5
44999.9
1.03
13500
3000
10500
30.00%
6
44999.9
1.03
13500
3000
10500
30.00%
7
44999.9
1.03
13500
3000
10500
30.00%
8
44999.9
1.03
13500
3000
10500
30.00%
9
44999.9
1.03
13500
3000
10500
30.00%
10
44999.9
1.03
13500
3000
10500
30.00%
11
67499.9
1.55
20250
3000
17250
30,00%
12
44999.9
1.03
13500
3000
10500
30.00%
13
44999.9
1.03
13500
3000
10500
30.00%
14
44999.9
1.03
13500
3000
105001
30.00%
15
44999.9
1.03
13500
3000
105001
30.00%
16
44999.9
1.03
13500
3000
10500
30.00%
17
44999.9
1.03
13500
3000
10500
30.00%
18
45000.0
1.03
13500
3000
10500
30.00%
19
45000.0
1.03
13500
3000
10500
30.00%
20
45000.0
1.031
13500
3000
10500
30.00%
21
45000.0
1.03
13500
3000
10500
30.00%
✓ 22
95823.3
2.20
28747
3000
25747
30.00%
23
31242.9
0.72
9373
3000
6373
30.00%
24
31239.2
0.72
9372
3000
6372
30.00%
25
31238.8
0.72
9372
3000
6372
30.00%
26
31204.3
0.72
9361
3000
6361
30.00%
271
37480.6
0.86
11244
3000
8244
30.00%
Todd/R
130580.51
3.18
39174
3000
36174
30.00%
Plat 'CabinetB
Pa a 618
Lot A
39345.51
0.9
11804
3000
8804
30.00%°
Lot B
57097.9
1.31
17129
3000
14129
30.00%
Lot C
65322.3
1.5
19597
3000
165971
30.00%
Lot D
36626.7
0.84
10988
3000
7988
30.00%
Lot E
44145.8
1.01
13244
3000
10244
30.00%
Lot F
45336.5
1.04
13601
3000
10601
30.00%
Lot G
40616.5
0.93
12185
3000
9185
30.00%
Lot H
26375.3
0.61
7913
3000
4913
30.00%
Lot I
38165.2
0.88
11450
3000
8450
30.00%
Lot 3
37185.21
0.85
11156
3000
8156
30.00%
4954951.61
113.87
1486485
2910001
11954851
30.00%
W
309478.8
7.1
18166.4i
i
i
5.87%
Total
5 264 430.41
120.97
1,504,561.401
291 000.00
1 195 485.00
28.57%