SW3100301_Permit

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North Carolina Department of Environment and Natural Resources
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Governor
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Coleen H, Sullins
Director
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Subject: Stormwater Permit No. SW3100301
Hopewell Baptist Church
High Density Commercial Wet Pond Proje
Union County I
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This project will be kept on file at the Mooresville Regional Office. If you have any questions, or need
additional information concerning this matter, please contact Brian Lowther at [phone]; or
brian.lowther@ncdenr,gov.
Sincerely,
for Coleen H. Sullins
cc: Mooresville Regional Office
Central Files
SPU Files
Wetlands and Stormwater Branch One
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 NorthCarolina
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] FAX: [phone] Customer Service: 1-877-623-6748 Natmally
Internet: vvwvv,ncvvaterquafty,org
An Equal OPPOrklnlrY \ Affirmative Action Employer

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This permit shall be effective from the date of issuance until June 2, 2020, and shall be
subject to the following specified conditions and limitations:
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1 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 1.7 on page 2 of this permit. The stormwater
control has been designed to handle the runoff from 1, 258,017 square feet of
impervious area.
I 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.

7. The following design criteria have been provided in the wet detention pond and
must be maintained at design condition:
a. Drainage Area, acres: 28.9
Onsite, ft : 1,258,017
Offsite, ft2: 0
b. Total Imperviop Surfaces, ft2:
Buildings
Roads/Parking, ft
Other, ft2.
Offsite, ft
c. Pond Depth, feet:
d. TSS removal efficiency:
e. Design Storm:
f. Permanent Pool Elevation, FMSL
g. Permitted Surface Area @PP ft
h. Permitted Storage Volume, ft
i. Storage Elevation, FMSL
j. Controlling Orifice: ft3:
k. Permanent Pool Volume,
1. Forebay Volume, ft3:
m. Receiving Stream/River Basin:
n. Stream Index Number:
o. Classification of Water Body:
213,445
20,076
168,369
25,000 (sidewalks)
0
3.48
85%
1.0 inch
514.5
13,520
53,230 at temporary pool
517.35
3.0"0 pipe
37,452
8,666
UT of Goose Creek
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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.
2During 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.
f. Debris removal and unclogging of outlet structure, orifice device, flow
spreader, catch basins and piping.
9. Access to the outlet structure must be available at all times.
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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.
2. The permittee is responsible for compliance with all permit conditions until sue,

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Permit issued this the 2nd
day of June, 2010.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
ror upieen m. 6umns—,py'irector
Division of Water Quality
By Authority of the Environmental Management Commission

Hopewell Baptist Church
Stormwater Permit No. SW31003
Union Count I
-1.
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,
Hopewell Baptist Church
(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.
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-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,
14a 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.
Please submit this Designer's Certification to: Mooresville Regional Office
Surface Water Protection
610 East Center Avenue/ Suite 301
Mooresville, NC 28115